From 12aa23e200890b3a1526d170ba72c88078287625 Mon Sep 17 00:00:00 2001 From: Peter Denison Date: Sun, 1 Jul 2007 22:44:05 +0000 Subject: Move SSB out of brcm47xx target into generic-2.6 target git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7844 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../linux/brcm47xx-2.6/files/drivers/ssb/Kconfig | 93 -- .../linux/brcm47xx-2.6/files/drivers/ssb/Makefile | 11 - .../files/drivers/ssb/driver_chipcommon.c | 402 -------- .../files/drivers/ssb/driver_mipscore.c | 258 ----- .../files/drivers/ssb/driver_pcicore.c | 556 ---------- target/linux/brcm47xx-2.6/files/drivers/ssb/main.c | 1062 -------------------- target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c | 688 ------------- .../files/drivers/ssb/pcihost_wrapper.c | 104 -- .../linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c | 263 ----- target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c | 415 -------- .../brcm47xx-2.6/files/drivers/ssb/ssb_private.h | 137 --- .../brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c | 254 ----- .../brcm47xx-2.6/files/include/linux/ssb/ssb.h | 422 -------- .../include/linux/ssb/ssb_driver_chipcommon.h | 387 ------- .../files/include/linux/ssb/ssb_driver_extif.h | 163 --- .../files/include/linux/ssb/ssb_driver_mips.h | 47 - .../files/include/linux/ssb/ssb_driver_pci.h | 108 -- .../files/include/linux/ssb/ssb_regs.h | 294 ------ .../patches-2.6.22/205-ssb_integrate.patch | 78 -- .../patches-2.6.22/210-ssb_fixes.patch | 372 +++++++ .../patches-2.6.22/210-ssb_merge.patch | 421 -------- target/linux/generic-2.6/files/drivers/ssb/Kconfig | 93 ++ .../linux/generic-2.6/files/drivers/ssb/Makefile | 11 + .../files/drivers/ssb/driver_chipcommon.c | 402 ++++++++ .../files/drivers/ssb/driver_mipscore.c | 258 +++++ .../generic-2.6/files/drivers/ssb/driver_pcicore.c | 556 ++++++++++ target/linux/generic-2.6/files/drivers/ssb/main.c | 1062 ++++++++++++++++++++ target/linux/generic-2.6/files/drivers/ssb/pci.c | 688 +++++++++++++ .../files/drivers/ssb/pcihost_wrapper.c | 104 ++ .../linux/generic-2.6/files/drivers/ssb/pcmcia.c | 263 +++++ target/linux/generic-2.6/files/drivers/ssb/scan.c | 415 ++++++++ .../generic-2.6/files/drivers/ssb/ssb_private.h | 137 +++ .../generic-2.6/files/drivers/usb/host/ohci-ssb.c | 254 +++++ .../generic-2.6/files/include/linux/ssb/ssb.h | 422 ++++++++ .../include/linux/ssb/ssb_driver_chipcommon.h | 387 +++++++ .../files/include/linux/ssb/ssb_driver_extif.h | 163 +++ .../files/include/linux/ssb/ssb_driver_mips.h | 47 + .../files/include/linux/ssb/ssb_driver_pci.h | 108 ++ .../generic-2.6/files/include/linux/ssb/ssb_regs.h | 294 ++++++ .../patches-2.6.22/300-ssb_integrate.patch | 78 ++ .../patches-2.6.22/310-ssb_pcicore_fixes.patch | 49 + 41 files changed, 6163 insertions(+), 6163 deletions(-) delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/main.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h delete mode 100644 target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_pci.h delete mode 100644 target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h delete mode 100644 target/linux/brcm47xx-2.6/patches-2.6.22/205-ssb_integrate.patch create mode 100644 target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_fixes.patch delete mode 100644 target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_merge.patch create mode 100644 target/linux/generic-2.6/files/drivers/ssb/Kconfig create mode 100644 target/linux/generic-2.6/files/drivers/ssb/Makefile create mode 100644 target/linux/generic-2.6/files/drivers/ssb/driver_chipcommon.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/driver_mipscore.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/main.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/pci.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/pcihost_wrapper.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/pcmcia.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/scan.c create mode 100644 target/linux/generic-2.6/files/drivers/ssb/ssb_private.h create mode 100644 target/linux/generic-2.6/files/drivers/usb/host/ohci-ssb.c create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb.h create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h create mode 100644 target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h create mode 100644 target/linux/generic-2.6/patches-2.6.22/300-ssb_integrate.patch create mode 100644 target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch (limited to 'target') diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig b/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig deleted file mode 100644 index 03c4945868..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/Kconfig +++ /dev/null @@ -1,93 +0,0 @@ -menu "Sonics Silicon Backplane" - -config SSB - tristate "Sonics Silicon Backplane support" - depends on EXPERIMENTAL - help - Support for the Sonics Silicon Backplane bus - - The module will be called ssb - - If unsure, say M - -config SSB_PCIHOST - bool "Support for SSB on PCI-bus host" - depends on SSB && PCI - default y - help - Support for a Sonics Silicon Backplane on top - of a PCI device. - - If unsure, say Y - -config SSB_PCMCIAHOST - bool "Support for SSB on PCMCIA-bus host" - depends on SSB && PCMCIA - help - Support for a Sonics Silicon Backplane on top - of a PCMCIA device. - - If unsure, say N - -config SSB_SILENT - bool "No SSB kernel messages" - depends on SSB - help - This option turns off all Sonics Silicon Backplane printks. - Note that you won't be able to identify problems, once - messages are turned off. - This might only be desired for production kernels on - embedded devices to reduce the kernel size. - - Say N - -config SSB_DEBUG - bool "SSB debugging" - depends on SSB && !SSB_SILENT - help - This turns on additional runtime checks and debugging - messages. Turn this on for SSB troubleshooting. - - If unsure, say N - -config SSB_SERIAL - bool - depends on SSB - # ChipCommon and ExtIf serial support routines. - -config SSB_DRIVER_PCICORE - bool "SSB PCI core driver" - depends on SSB && SSB_PCIHOST - default y - help - Driver for the Sonics Silicon Backplane attached - Broadcom PCI core. - - If unsure, say Y - -config SSB_PCICORE_HOSTMODE - bool "Hostmode support for SSB PCI core" - depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS - help - PCIcore hostmode operation (external PCI bus). - -config SSB_DRIVER_MIPS - bool "SSB Broadcom MIPS core driver" - depends on SSB && MIPS - select SSB_SERIAL - help - Driver for the Sonics Silicon Backplane attached - Broadcom MIPS core. - - If unsure, say N - -config SSB_DRIVER_EXTIF - bool "SSB Broadcom EXTIF core driver" - depends on SSB_DRIVER_MIPS - help - Driver for the Sonics Silicon Backplane attached - Broadcom EXTIF core. - - If unsure, say N - -endmenu diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile b/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile deleted file mode 100644 index 9a2b379fbf..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -ssb-builtin-drivers-y += driver_chipcommon.o -ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o -ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o - -ssb-hostsupport-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o -ssb-hostsupport-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o - -obj-$(CONFIG_SSB) += ssb.o - -ssb-objs := main.o scan.o \ - $(ssb-hostsupport-y) $(ssb-builtin-drivers-y) diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c deleted file mode 100644 index a283de9e3a..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_chipcommon.c +++ /dev/null @@ -1,402 +0,0 @@ -/* - * Sonics Silicon Backplane - * Broadcom ChipCommon core driver - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include -#include - -#include "ssb_private.h" - - -/* Clock sources */ -enum { - /* PCI clock */ - SSB_CHIPCO_CLKSRC_PCI, - /* Crystal slow clock oscillator */ - SSB_CHIPCO_CLKSRC_XTALOS, - /* Low power oscillator */ - SSB_CHIPCO_CLKSRC_LOPWROS, -}; - - -static inline u32 chipco_read32(struct ssb_chipcommon *cc, - u16 offset) -{ - return ssb_read32(cc->dev, offset); -} - -static inline void chipco_write32(struct ssb_chipcommon *cc, - u16 offset, - u32 value) -{ - ssb_write32(cc->dev, offset, value); -} - -void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, - enum ssb_clkmode mode) -{ - struct ssb_device *ccdev = cc->dev; - struct ssb_bus *bus; - u32 tmp; - - if (!ccdev) - return; - bus = ccdev->bus; - /* chipcommon cores prior to rev6 don't support dynamic clock control */ - if (ccdev->id.revision < 6) - return; - /* chipcommon cores rev10 are a whole new ball game */ - if (ccdev->id.revision >= 10) - return; - if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) - return; - - switch (mode) { - case SSB_CLKMODE_SLOW: - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW; - chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); - break; - case SSB_CLKMODE_FAST: - ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */ - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; - tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL; - chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); - break; - case SSB_CLKMODE_DYNAMIC: - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL; - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL; - if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL) - tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL; - chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); - - /* for dynamic control, we have to release our xtal_pu "force on" */ - if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL) - ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0); - break; - default: - assert(0); - } -} - -/* Get the Slow Clock Source */ -static int chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc) -{ - struct ssb_bus *bus = cc->dev->bus; - u32 tmp = 0; - - if (cc->dev->id.revision < 6) { - if (bus->bustype == SSB_BUSTYPE_SSB || - bus->bustype == SSB_BUSTYPE_PCMCIA) - return SSB_CHIPCO_CLKSRC_XTALOS; - if (bus->bustype == SSB_BUSTYPE_PCI) { - pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &tmp); - if (tmp & 0x10) - return SSB_CHIPCO_CLKSRC_PCI; - return SSB_CHIPCO_CLKSRC_XTALOS; - } - } - if (cc->dev->id.revision < 10) { - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp &= 0x7; - if (tmp == 0) - return SSB_CHIPCO_CLKSRC_LOPWROS; - if (tmp == 1) - return SSB_CHIPCO_CLKSRC_XTALOS; - if (tmp == 2) - return SSB_CHIPCO_CLKSRC_PCI; - } - - return SSB_CHIPCO_CLKSRC_XTALOS; -} - -/* Get maximum or minimum (depending on get_max flag) slowclock frequency. */ -static int chipco_pctl_clockfreqlimit(struct ssb_chipcommon *cc, int get_max) -{ - int limit; - int clocksrc; - int divisor; - u32 tmp; - - clocksrc = chipco_pctl_get_slowclksrc(cc); - if (cc->dev->id.revision < 6) { - switch (clocksrc) { - case SSB_CHIPCO_CLKSRC_PCI: - divisor = 64; - break; - case SSB_CHIPCO_CLKSRC_XTALOS: - divisor = 32; - break; - default: - assert(0); - divisor = 1; - } - } else if (cc->dev->id.revision < 10) { - switch (clocksrc) { - case SSB_CHIPCO_CLKSRC_LOPWROS: - divisor = 1; - break; - case SSB_CHIPCO_CLKSRC_XTALOS: - case SSB_CHIPCO_CLKSRC_PCI: - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - divisor = (tmp >> 16) + 1; - divisor *= 4; - break; - default: - assert(0); - divisor = 1; - } - } else { - tmp = chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL); - divisor = (tmp >> 16) + 1; - divisor *= 4; - } - - switch (clocksrc) { - case SSB_CHIPCO_CLKSRC_LOPWROS: - if (get_max) - limit = 43000; - else - limit = 25000; - break; - case SSB_CHIPCO_CLKSRC_XTALOS: - if (get_max) - limit = 20200000; - else - limit = 19800000; - break; - case SSB_CHIPCO_CLKSRC_PCI: - if (get_max) - limit = 34000000; - else - limit = 25000000; - break; - default: - assert(0); - limit = 0; - } - limit /= divisor; - - return limit; -} - -static void chipco_powercontrol_init(struct ssb_chipcommon *cc) -{ - struct ssb_bus *bus = cc->dev->bus; - - if (bus->chip_id == 0x4321) { - if (bus->chip_rev == 0) - chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0x3A4); - else if (bus->chip_rev == 1) - chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0xA4); - } - - if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) - return; - - if (cc->dev->id.revision >= 10) { - /* Set Idle Power clock rate to 1Mhz */ - chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL, - (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) & - 0x0000FFFF) | 0x00040000); - } else { - int maxfreq; - - maxfreq = chipco_pctl_clockfreqlimit(cc, 1); - chipco_write32(cc, SSB_CHIPCO_PLLONDELAY, - (maxfreq * 150 + 999999) / 1000000); - chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY, - (maxfreq * 15 + 999999) / 1000000); - } -} - -static void calc_fast_powerup_delay(struct ssb_chipcommon *cc) -{ - struct ssb_bus *bus = cc->dev->bus; - int minfreq; - unsigned int tmp; - u32 pll_on_delay; - - if (bus->bustype != SSB_BUSTYPE_PCI) - return; - if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) - return; - - minfreq = chipco_pctl_clockfreqlimit(cc, 0); - pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY); - tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq; - assert((tmp & ~0xFFFF) == 0); - - cc->fast_pwrup_delay = tmp; -} - -void ssb_chipcommon_init(struct ssb_chipcommon *cc) -{ - if (!cc->dev) - return; /* We don't have a ChipCommon */ - chipco_powercontrol_init(cc); - ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); - calc_fast_powerup_delay(cc); -} - -void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state) -{ - if (!cc->dev) - return; - ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW); -} - -void ssb_chipco_resume(struct ssb_chipcommon *cc) -{ - if (!cc->dev) - return; - chipco_powercontrol_init(cc); - ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); -} - -void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, - u32 *plltype, u32 *n, u32 *m) -{ - *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N); - *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); - switch (*plltype) { - case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */ - *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS); - break; - case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ - if (cc->dev->bus->chip_id != 0x5365) { - *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2); - break; - } - /* Fallthough */ - default: - *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB); - } -} - -void ssb_chipco_timing_init(struct ssb_chipcommon *cc, - unsigned long ns) -{ - struct ssb_device *dev = cc->dev; - struct ssb_bus *bus = dev->bus; - u32 tmp; - - /* set register for external IO to control LED. */ - chipco_write32(cc, SSB_CHIPCO_PROG_CFG, 0x11); - tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */ - tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 40ns */ - tmp |= DIV_ROUND_UP(240, ns); /* Waitcount-0 = 240ns */ - chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */ - - /* Set timing for the flash */ - tmp = DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_3_SHIFT; /* Waitcount-3 = 10nS */ - tmp |= DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_1_SHIFT; /* Waitcount-1 = 10nS */ - tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120nS */ - if ((bus->chip_id == 0x5365) || - (dev->id.revision < 9)) - chipco_write32(cc, SSB_CHIPCO_FLASH_WAITCNT, tmp); - if ((bus->chip_id == 0x5365) || - (dev->id.revision < 9) || - ((bus->chip_id == 0x5350) && (bus->chip_rev == 0))) - chipco_write32(cc, SSB_CHIPCO_PCMCIA_MEMWAIT, tmp); - - if (bus->chip_id == 0x5350) { - /* Enable EXTIF */ - tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */ - tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; /* Waitcount-2 = 20ns */ - tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 100ns */ - tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120ns */ - chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */ - } -} - - -#ifdef CONFIG_SSB_SERIAL -int ssb_chipco_serial_init(struct ssb_chipcommon *cc, - struct ssb_serial_port *ports) -{ - struct ssb_bus *bus = cc->dev->bus; - int nr_ports = 0; - u32 plltype; - unsigned int irq; - u32 baud_base, div; - u32 i, n; - - plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); - irq = ssb_mips_irq(cc->dev); - - if (plltype == SSB_PLLTYPE_1) { - /* PLL clock */ - baud_base = ssb_calc_clock_rate(plltype, - chipco_read32(cc, SSB_CHIPCO_CLOCK_N), - chipco_read32(cc, SSB_CHIPCO_CLOCK_M2)); - div = 1; - } else { - if (cc->dev->id.revision >= 11) { - /* Fixed ALP clock */ - baud_base = 20000000; - div = 1; - /* Set the override bit so we don't divide it */ - chipco_write32(cc, SSB_CHIPCO_CORECTL, - SSB_CHIPCO_CORECTL_UARTCLK0); - } else if (cc->dev->id.revision >= 3) { - /* Internal backplane clock */ - baud_base = ssb_clockspeed(bus); - div = 2; /* Minimum divisor */ - chipco_write32(cc, SSB_CHIPCO_CLKDIV, - (chipco_read32(cc, SSB_CHIPCO_CLKDIV) - & ~SSB_CHIPCO_CLKDIV_UART) | div); - } else { - /* Fixed internal backplane clock */ - baud_base = 88000000; - div = 48; - } - - /* Clock source depends on strapping if UartClkOverride is unset */ - if ((cc->dev->id.revision > 0) && - !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) { - if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) == - SSB_CHIPCO_CAP_UARTCLK_INT) { - /* Internal divided backplane clock */ - baud_base /= div; - } else { - /* Assume external clock of 1.8432 MHz */ - baud_base = 1843200; - } - } - } - - /* Determine the registers of the UARTs */ - n = (cc->capabilities & SSB_CHIPCO_CAP_NRUART); - for (i = 0; i < n; i++) { - void __iomem *cc_mmio; - void __iomem *uart_regs; - - cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE); - uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA; - /* Offset changed at after rev 0 */ - if (cc->dev->id.revision == 0) - uart_regs += (i * 8); - else - uart_regs += (i * 256); - - nr_ports++; - ports[i].regs = uart_regs; - ports[i].irq = irq; - ports[i].baud_base = baud_base; - ports[i].reg_shift = 0; - } - - return nr_ports; -} -#endif /* CONFIG_SSB_SERIAL */ diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c deleted file mode 100644 index 67d10178b6..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_mipscore.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * Sonics Silicon Backplane - * Broadcom MIPS core driver - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include - -#include -#include -#include -#include - -#include "ssb_private.h" - - -static inline u32 mips_read32(struct ssb_mipscore *mcore, - u16 offset) -{ - return ssb_read32(mcore->dev, offset); -} - -static inline void mips_write32(struct ssb_mipscore *mcore, - u16 offset, - u32 value) -{ - ssb_write32(mcore->dev, offset, value); -} - -static const u32 ipsflag_irq_mask[] = { - 0, - SSB_IPSFLAG_IRQ1, - SSB_IPSFLAG_IRQ2, - SSB_IPSFLAG_IRQ3, - SSB_IPSFLAG_IRQ4, -}; - -static const u32 ipsflag_irq_shift[] = { - 0, - SSB_IPSFLAG_IRQ1_SHIFT, - SSB_IPSFLAG_IRQ2_SHIFT, - SSB_IPSFLAG_IRQ3_SHIFT, - SSB_IPSFLAG_IRQ4_SHIFT, -}; - -static inline u32 ssb_irqflag(struct ssb_device *dev) -{ - return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; -} - -/* Get the MIPS IRQ assignment for a specified device. - * If unassigned, 0 is returned. - */ -unsigned int ssb_mips_irq(struct ssb_device *dev) -{ - struct ssb_bus *bus = dev->bus; - u32 irqflag; - u32 ipsflag; - u32 tmp; - unsigned int irq; - - irqflag = ssb_irqflag(dev); - ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG); - for (irq = 1; irq <= 4; irq++) { - tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]); - if (tmp == irqflag) - break; - } - if (irq == 5) - irq = 0; - - return irq; -} - -static void clear_irq(struct ssb_bus *bus, unsigned int irq) -{ - struct ssb_device *dev = bus->mipscore.dev; - - /* Clear the IRQ in the MIPScore backplane registers */ - if (irq == 0) { - ssb_write32(dev, SSB_INTVEC, 0); - } else { - ssb_write32(dev, SSB_IPSFLAG, - ssb_read32(dev, SSB_IPSFLAG) | - ipsflag_irq_mask[irq]); - } -} - -static void set_irq(struct ssb_device *dev, unsigned int irq) -{ - unsigned int oldirq = ssb_mips_irq(dev); - struct ssb_bus *bus = dev->bus; - struct ssb_device *mdev = bus->mipscore.dev; - u32 irqflag = ssb_irqflag(dev); - - dev->irq = irq + 2; - - ssb_dprintk(KERN_INFO PFX - "set_irq: core 0x%04x, irq %d => %d\n", - dev->id.coreid, oldirq, irq); - /* clear the old irq */ - if (oldirq == 0) - ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); - else - clear_irq(bus, oldirq); - - /* assign the new one */ - if (irq == 0) - ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); - - irqflag <<= ipsflag_irq_shift[irq]; - irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]); - ssb_write32(mdev, SSB_IPSFLAG, irqflag); -} - -/* XXX: leave here or move into separate extif driver? */ -static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports) -{ - -} - - -static void ssb_mips_serial_init(struct ssb_mipscore *mcore) -{ - struct ssb_bus *bus = mcore->dev->bus; - - //TODO if (EXTIF available -#if 0 - extifregs_t *eir = (extifregs_t *) regs; - sbconfig_t *sb; - - /* Determine external UART register base */ - sb = (sbconfig_t *)((ulong) eir + SBCONFIGOFF); - base = EXTIF_CFGIF_BASE(sb_base(R_REG(&sb->sbadmatch1))); - - /* Determine IRQ */ - irq = sb_irq(sbh); - - /* Disable GPIO interrupt initially */ - W_REG(&eir->gpiointpolarity, 0); - W_REG(&eir->gpiointmask, 0); - - /* Search for external UARTs */ - n = 2; - for (i = 0; i < 2; i++) { - regs = (void *) REG_MAP(base + (i * 8), 8); - if (BCMINIT(serial_exists)(regs)) { - /* Set GPIO 1 to be the external UART IRQ */ - W_REG(&eir->gpiointmask, 2); - if (add) - add(regs, irq, 13500000, 0); - } - } - - /* Add internal UART if enabled */ - if (R_REG(&eir->corecontrol) & CC_UE) - if (add) - add((void *) &eir->uartdata, irq, sb_clock(sbh), 2); - -#endif - if (bus->extif.dev) - mcore->nr_serial_ports = ssb_extif_serial_init(&bus->extif, mcore->serial_ports); - else if (bus->chipco.dev) - mcore->nr_serial_ports = ssb_chipco_serial_init(&bus->chipco, mcore->serial_ports); - else - mcore->nr_serial_ports = 0; -} - -static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) -{ - struct ssb_bus *bus = mcore->dev->bus; - - if (bus->chipco.dev) { - mcore->flash_window = 0x1c000000; - mcore->flash_window_size = 0x800000; - } else { - mcore->flash_window = 0x1fc00000; - mcore->flash_window_size = 0x400000; - } -} - - -static void ssb_cpu_clock(struct ssb_mipscore *mcore) -{ -} - -void ssb_mipscore_init(struct ssb_mipscore *mcore) -{ - struct ssb_bus *bus = mcore->dev->bus; - struct ssb_device *dev; - unsigned long hz, ns; - unsigned int irq, i; - - if (!mcore->dev) - return; /* We don't have a MIPS core */ - - ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n"); - - hz = ssb_clockspeed(bus); - if (!hz) - hz = 100000000; - ns = 1000000000 / hz; - -//TODO -#if 0 - if (have EXTIF) { - /* Initialize extif so we can get to the LEDs and external UART */ - W_REG(&eir->prog_config, CF_EN); - - /* Set timing for the flash */ - tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ - tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */ - tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ - W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ - - /* Set programmable interface timing for external uart */ - tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ - tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */ - tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */ - tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ - W_REG(&eir->prog_waitcount, tmp); - } - else... chipcommon -#endif - if (bus->chipco.dev) - ssb_chipco_timing_init(&bus->chipco, ns); - - /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ - for (irq = 2, i = 0; i < bus->nr_devices; i++) { - dev = &(bus->devices[i]); - dev->irq = ssb_mips_irq(dev) + 2; - switch(dev->id.coreid) { - case SSB_DEV_USB11_HOST: - /* shouldn't need a separate irq line for non-4710, most of them have a proper - * external usb controller on the pci */ - if ((bus->chip_id == 0x4710) && (irq <= 4)) { - set_irq(dev, irq++); - break; - } - case SSB_DEV_PCI: - case SSB_DEV_ETHERNET: - case SSB_DEV_80211: - case SSB_DEV_USB20_HOST: - /* These devices get their own IRQ line if available, the rest goes on IRQ0 */ - if (irq <= 4) { - set_irq(dev, irq++); - break; - } - } - } - - ssb_mips_serial_init(mcore); - ssb_mips_flash_detect(mcore); -} diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c deleted file mode 100644 index a59dff083e..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/driver_pcicore.c +++ /dev/null @@ -1,556 +0,0 @@ -/* - * Sonics Silicon Backplane - * Broadcom PCI-core driver - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include -#include - -#include "ssb_private.h" - - -static inline -u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset) -{ - return ssb_read32(pc->dev, offset); -} - -static inline -void pcicore_write32(struct ssb_pcicore *pc, u16 offset, u32 value) -{ - ssb_write32(pc->dev, offset, value); -} - -/************************************************** - * Code for hostmode operation. - **************************************************/ - -#ifdef CONFIG_SSB_PCICORE_HOSTMODE - -#include -/* Read the bus and catch bus exceptions. This is MIPS specific. */ -#define mips_busprobe(val, addr) get_dbe((val), (addr)) - -/* Assume one-hot slot wiring */ -#define SSB_PCI_SLOT_MAX 16 - -/* Global lock is OK, as we won't have more than one extpci anyway. */ -static DEFINE_SPINLOCK(cfgspace_lock); -/* Core to access the external PCI config space. Can only have one. */ -static struct ssb_pcicore *extpci_core; - -u32 pci_iobase = 0x100; -u32 pci_membase = SSB_PCI_DMA; - -int pcibios_plat_dev_init(struct pci_dev *d) -{ - struct resource *res; - int pos, size; - u32 *base; - - printk("PCI: Fixing up device %s\n", pci_name(d)); - - /* Fix up resource bases */ - for (pos = 0; pos < 6; pos++) { - res = &d->resource[pos]; - base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase); - if (res->end) { - size = res->end - res->start + 1; - if (*base & (size - 1)) - *base = (*base + size) & ~(size - 1); - res->start = *base; - res->end = res->start + size - 1; - *base += size; - pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); - } - /* Fix up PCI bridge BAR0 only */ - if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) - break; - } - /* Fix up interrupt lines */ - d->irq = ssb_mips_irq(extpci_core->dev) + 2; - pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); - - return 0; -} - -static void __init ssb_fixup_pcibridge(struct pci_dev *dev) -{ - if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) - return; - - printk("PCI: fixing up bridge\n"); - - /* Enable PCI bridge bus mastering and memory space */ - pci_set_master(dev); - pcibios_enable_device(dev, ~0); - - /* Enable PCI bridge BAR1 prefetch and burst */ - pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); -} -DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); - -int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - return ssb_mips_irq(extpci_core->dev) + 2; -} - -static u32 get_cfgspace_addr(struct ssb_pcicore *pc, - unsigned int bus, unsigned int dev, - unsigned int func, unsigned int off) -{ - u32 addr = 0; - u32 tmp; - - if (unlikely(pc->cardbusmode && dev > 1)) - goto out; - if (bus == 0) { - /* Type 0 transaction */ - if (unlikely(dev >= SSB_PCI_SLOT_MAX)) - goto out; - /* Slide the window */ - tmp = SSB_PCICORE_SBTOPCI_CFG0; - tmp |= ((1 << (dev + 16)) & SSB_PCICORE_SBTOPCI1_MASK); - pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, tmp); - /* Calculate the address */ - addr = SSB_PCI_CFG; - addr |= ((1 << (dev + 16)) & ~SSB_PCICORE_SBTOPCI1_MASK); - addr |= (func << 8); - addr |= (off & ~3); - } else { - /* Type 1 transaction */ - pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, - SSB_PCICORE_SBTOPCI_CFG1); - /* Calculate the address */ - addr = SSB_PCI_CFG; - addr |= (bus << 16); - addr |= (dev << 11); - addr |= (func << 8); - addr |= (off & ~3); - } -out: - return addr; -} - -static int ssb_extpci_read_config(struct ssb_pcicore *pc, - unsigned int bus, unsigned int dev, - unsigned int func, unsigned int off, - void *buf, int len) -{ - int err = -EINVAL; - u32 addr, val; - void __iomem *mmio; - - assert(pc->hostmode); - if (unlikely(len != 1 && len != 2 && len != 4)) - goto out; - addr = get_cfgspace_addr(pc, bus, dev, func, off); - if (unlikely(!addr)) - goto out; - err = -ENOMEM; - mmio = ioremap_nocache(addr, len); - if (!mmio) - goto out; - - if (mips_busprobe(val, (u32 *) mmio)) { - val = 0xffffffff; - goto unmap; - } - - val = readl(mmio); - val >>= (8 * (off & 3)); - - switch (len) { - case 1: - *((u8 *)buf) = (u8)val; - break; - case 2: - *((u16 *)buf) = (u16)val; - break; - case 4: - *((u32 *)buf) = (u32)val; - break; - } - err = 0; -unmap: - iounmap(mmio); -out: - return err; -} - -static int ssb_extpci_write_config(struct ssb_pcicore *pc, - unsigned int bus, unsigned int dev, - unsigned int func, unsigned int off, - const void *buf, int len) -{ - int err = -EINVAL; - u32 addr, val = 0; - void __iomem *mmio; - - assert(pc->hostmode); - if (unlikely(len != 1 && len != 2 && len != 4)) - goto out; - addr = get_cfgspace_addr(pc, bus, dev, func, off); - if (unlikely(!addr)) - goto out; - err = -ENOMEM; - mmio = ioremap_nocache(addr, len); - if (!mmio) - goto out; - - if (mips_busprobe(val, (u32 *) mmio)) { - val = 0xffffffff; - goto unmap; - } - - switch (len) { - case 1: - val = readl(mmio); - val &= ~(0xFF << (8 * (off & 3))); - val |= *((const u8 *)buf) << (8 * (off & 3)); - break; - case 2: - val = readl(mmio); - val &= ~(0xFFFF << (8 * (off & 3))); - val |= *((const u16 *)buf) << (8 * (off & 3)); - break; - case 4: - val = *((const u32 *)buf); - break; - } - writel(*((const u32 *)buf), mmio); - - err = 0; -unmap: - iounmap(mmio); -out: - return err; -} - -static int ssb_pcicore_read_config(struct pci_bus *bus, unsigned int devfn, - int reg, int size, u32 *val) -{ - unsigned long flags; - int err; - - spin_lock_irqsave(&cfgspace_lock, flags); - err = ssb_extpci_read_config(extpci_core, bus->number, PCI_SLOT(devfn), - PCI_FUNC(devfn), reg, val, size); - spin_unlock_irqrestore(&cfgspace_lock, flags); - - return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static int ssb_pcicore_write_config(struct pci_bus *bus, unsigned int devfn, - int reg, int size, u32 val) -{ - unsigned long flags; - int err; - - spin_lock_irqsave(&cfgspace_lock, flags); - err = ssb_extpci_write_config(extpci_core, bus->number, PCI_SLOT(devfn), - PCI_FUNC(devfn), reg, &val, size); - spin_unlock_irqrestore(&cfgspace_lock, flags); - - return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops ssb_pcicore_pciops = { - .read = ssb_pcicore_read_config, - .write = ssb_pcicore_write_config, -}; - -static struct resource ssb_pcicore_mem_resource = { - .name = "SSB PCIcore external memory", - .start = SSB_PCI_DMA, - .end = (u32)SSB_PCI_DMA + (u32)SSB_PCI_DMA_SZ - 1, - .flags = IORESOURCE_MEM, -}; - -static struct resource ssb_pcicore_io_resource = { - .name = "SSB PCIcore external I/O", - .start = 0x100, - .end = 0x7FF, - .flags = IORESOURCE_IO, -}; - -static struct pci_controller ssb_pcicore_controller = { - .pci_ops = &ssb_pcicore_pciops, - .io_resource = &ssb_pcicore_io_resource, - .mem_resource = &ssb_pcicore_mem_resource, - .mem_offset = 0x24000000, -}; - -static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) -{ - u32 val; - - if (extpci_core) { - WARN_ON(1); - return; - } - extpci_core = pc; - - ssb_dprintk(KERN_INFO PFX "PCIcore in host mode found\n"); - /* Reset devices on the external PCI bus */ - val = SSB_PCICORE_CTL_RST_OE; - val |= SSB_PCICORE_CTL_CLK_OE; - pcicore_write32(pc, SSB_PCICORE_CTL, val); - val |= SSB_PCICORE_CTL_CLK; /* Clock on */ - pcicore_write32(pc, SSB_PCICORE_CTL, val); - udelay(150); - val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */ - pcicore_write32(pc, SSB_PCICORE_CTL, val); - udelay(1); - - //TODO cardbus mode - - /* 64MB I/O window */ - pcicore_write32(pc, SSB_PCICORE_SBTOPCI0, - SSB_PCICORE_SBTOPCI_IO); - /* 64MB config space */ - pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, - SSB_PCICORE_SBTOPCI_CFG0); - /* 1GB memory window */ - pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, - SSB_PCICORE_SBTOPCI_MEM | SSB_PCI_DMA); - - /* Enable PCI bridge BAR0 prefetch and burst */ - val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; - ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 2); - /* Clear error conditions */ - val = 0; - ssb_extpci_write_config(pc, 0, 0, 0, PCI_STATUS, &val, 2); - - /* Enable PCI interrupts */ - pcicore_write32(pc, SSB_PCICORE_IMASK, - SSB_PCICORE_IMASK_INTA); - - /* Ok, ready to run, register it to the system. - * The following needs change, if we want to port hostmode - * to non-MIPS platform. */ - set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); - register_pci_controller(&ssb_pcicore_controller); -} - -static int pcicore_is_in_hostmode(struct ssb_pcicore *pc) -{ - struct ssb_bus *bus = pc->dev->bus; - u16 chipid_top; - u32 tmp; - - chipid_top = (bus->chip_id & 0xFF00); - if (chipid_top != 0x4700 && - chipid_top != 0x5300) - return 0; - - if (bus->sprom.r1.boardflags_lo & SSB_PCICORE_BFL_NOPCI) - return 0; - - /* The 200-pin BCM4712 package does not bond out PCI. Even when - * PCI is bonded out, some boards may leave the pins floating. */ - if (bus->chip_id == 0x4712) { - if (bus->chip_package == SSB_CHIPPACK_BCM4712S) - return 0; - if (bus->chip_package == SSB_CHIPPACK_BCM4712M) - return 0; - } - if (bus->chip_id == 0x5350) - return 0; - - return !mips_busprobe(tmp, (u32 *) (bus->mmio + (pc->dev->core_index * SSB_CORE_SIZE))); -} -#endif /* CONFIG_SSB_PCICORE_HOSTMODE */ - - -/************************************************** - * Generic and Clientmode operation code. - **************************************************/ - -static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc) -{ - /* Disable PCI interrupts. */ - ssb_write32(pc->dev, SSB_INTVEC, 0); -} - -void ssb_pcicore_init(struct ssb_pcicore *pc) -{ - struct ssb_device *dev = pc->dev; - struct ssb_bus *bus; - - if (!dev) - return; - bus = dev->bus; - if (!ssb_device_is_enabled(dev)) - ssb_device_enable(dev, 0); - -#ifdef CONFIG_SSB_PCICORE_HOSTMODE - pc->hostmode = pcicore_is_in_hostmode(pc); - if (pc->hostmode) - ssb_pcicore_init_hostmode(pc); -#endif /* CONFIG_SSB_PCICORE_HOSTMODE */ - if (!pc->hostmode) - ssb_pcicore_init_clientmode(pc); -} - -static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address) -{ - pcicore_write32(pc, 0x130, address); - return pcicore_read32(pc, 0x134); -} - -static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data) -{ - pcicore_write32(pc, 0x130, address); - pcicore_write32(pc, 0x134, data); -} - -static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device, - u8 address, u16 data) -{ - const u16 mdio_control = 0x128; - const u16 mdio_data = 0x12C; - u32 v; - int i; - - v = 0x80; /* Enable Preamble Sequence */ - v |= 0x2; /* MDIO Clock Divisor */ - pcicore_write32(pc, mdio_control, v); - - v = (1 << 30); /* Start of Transaction */ - v |= (1 << 28); /* Write Transaction */ - v |= (1 << 17); /* Turnaround */ - v |= (u32)device << 22; - v |= (u32)address << 18; - v |= data; - pcicore_write32(pc, mdio_data, v); - udelay(10); - for (i = 0; i < 10; i++) { - v = pcicore_read32(pc, mdio_control); - if (v & 0x100 /* Trans complete */) - break; - msleep(1); - } - pcicore_write32(pc, mdio_control, 0); -} - -static void ssb_broadcast_value(struct ssb_device *dev, - u32 address, u32 data) -{ - /* This is used for both, PCI and ChipCommon core, so be careful. */ - BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR); - BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA); - - ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address); - ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */ - ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data); - ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */ -} - -static void ssb_commit_settings(struct ssb_bus *bus) -{ - struct ssb_device *dev; - - dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev; - assert(dev); - /* This forces an update of the cached registers. */ - ssb_broadcast_value(dev, 0xFD8, 0); -} - -int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, - struct ssb_device *dev) -{ - struct ssb_device *pdev = pc->dev; - struct ssb_bus *bus; - int err = 0; - u32 tmp; - - might_sleep(); - - if (!pdev) - goto out; - bus = pdev->bus; - - /* Enable interrupts for this device. */ - if (bus->host_pci && - ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) { - u32 coremask; - - /* Calculate the "coremask" for the device. */ - coremask = (1 << dev->core_index); - - err = pci_read_config_dword(bus->host_pci, SSB_PCI_IRQMASK, &tmp); - if (err) - goto out; - tmp |= coremask << 8; - err = pci_write_config_dword(bus->host_pci, SSB_PCI_IRQMASK, tmp); - if (err) - goto out; - } else { - u32 intvec; - - intvec = ssb_read32(pdev, SSB_INTVEC); - tmp = ssb_read32(dev, SSB_TPSFLAG); - tmp &= SSB_TPSFLAG_BPFLAG; - intvec |= tmp; - ssb_write32(pdev, SSB_INTVEC, intvec); - } - - /* Setup PCIcore operation. */ - if (pc->setup_done) - goto out; - if (pdev->id.coreid == SSB_DEV_PCI) { - tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2); - tmp |= SSB_PCICORE_SBTOPCI_PREF; - tmp |= SSB_PCICORE_SBTOPCI_BURST; - pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp); - - if (pdev->id.revision < 5) { - tmp = ssb_read32(pdev, SSB_IMCFGLO); - tmp &= ~SSB_IMCFGLO_SERTO; - tmp |= 2; - tmp &= ~SSB_IMCFGLO_REQTO; - tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT; - ssb_write32(pdev, SSB_IMCFGLO, tmp); - ssb_commit_settings(bus); - } else if (pdev->id.revision >= 11) { - tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2); - tmp |= SSB_PCICORE_SBTOPCI_MRM; - pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp); - } - } else { - assert(pdev->id.coreid == SSB_DEV_PCIE); - //TODO: Better make defines for all these magic PCIE values. - if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) { - /* TLP Workaround register. */ - tmp = ssb_pcie_read(pc, 0x4); - tmp |= 0x8; - ssb_pcie_write(pc, 0x4, tmp); - } - if (pdev->id.revision == 0) { - const u8 serdes_rx_device = 0x1F; - - ssb_pcie_mdio_write(pc, serdes_rx_device, - 2 /* Timer */, 0x8128); - ssb_pcie_mdio_write(pc, serdes_rx_device, - 6 /* CDR */, 0x0100); - ssb_pcie_mdio_write(pc, serdes_rx_device, - 7 /* CDR BW */, 0x1466); - } else if (pdev->id.revision == 1) { - /* DLLP Link Control register. */ - tmp = ssb_pcie_read(pc, 0x100); - tmp |= 0x40; - ssb_pcie_write(pc, 0x100, tmp); - } - } - pc->setup_done = 1; -out: - return err; -} -EXPORT_SYMBOL(ssb_pcicore_dev_irqvecs_enable); diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/main.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/main.c deleted file mode 100644 index a892f1dafc..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/main.c +++ /dev/null @@ -1,1062 +0,0 @@ -/* - * Sonics Silicon Backplane - * Subsystem core - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include "ssb_private.h" - -#include -#include -#include - -#ifdef CONFIG_SSB_PCIHOST -# include -#endif - -#ifdef CONFIG_SSB_PCMCIAHOST -# include -# include -# include -# include -#endif - - -MODULE_DESCRIPTION("Sonics Silicon Backplane driver"); -MODULE_LICENSE("GPL"); - - -static LIST_HEAD(attach_queue); -static LIST_HEAD(buses); -static unsigned int next_busnumber; -static DEFINE_MUTEX(buses_mutex); - -static void ssb_buses_lock(void); -static void ssb_buses_unlock(void); - - -#ifdef CONFIG_SSB_PCIHOST -struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev) -{ - struct ssb_bus *bus; - - ssb_buses_lock(); - list_for_each_entry(bus, &buses, list) { - if (bus->bustype == SSB_BUSTYPE_PCI && - bus->host_pci == pdev) - goto found; - } - bus = NULL; -found: - ssb_buses_unlock(); - - return bus; -} -#endif /* CONFIG_SSB_PCIHOST */ - -static struct ssb_device * ssb_device_get(struct ssb_device *dev) -{ - if (dev) - get_device(dev->dev); - return dev; -} - -static void ssb_device_put(struct ssb_device *dev) -{ - if (dev) - put_device(dev->dev); -} - -static int ssb_bus_resume(struct ssb_bus *bus) -{ - int err; - - ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); - err = ssb_pcmcia_init(bus); - if (err) { - /* No need to disable XTAL, as we don't have one on PCMCIA. */ - return err; - } - ssb_chipco_resume(&bus->chipco); - - return 0; -} - -static int ssb_device_resume(struct device *dev) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv; - struct ssb_bus *bus; - int err = 0; - - bus = ssb_dev->bus; - if (bus->suspend_cnt == bus->nr_devices) { - err = ssb_bus_resume(bus); - if (err) - return err; - } - bus->suspend_cnt--; - if (dev->driver) { - ssb_drv = drv_to_ssb_drv(dev->driver); - if (ssb_drv && ssb_drv->resume) - err = ssb_drv->resume(ssb_dev); - if (err) - goto out; - } -out: - return err; -} - -static void ssb_bus_suspend(struct ssb_bus *bus, pm_message_t state) -{ - ssb_chipco_suspend(&bus->chipco, state); - ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); - - /* Reset HW state information in memory, so that HW is - * completely reinitialized on resume. */ - bus->mapped_device = NULL; -#ifdef CONFIG_SSB_DRIVER_PCICORE - bus->pcicore.setup_done = 0; -#endif -} - -static int ssb_device_suspend(struct device *dev, pm_message_t state) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv; - struct ssb_bus *bus; - int err = 0; - - if (dev->driver) { - ssb_drv = drv_to_ssb_drv(dev->driver); - if (ssb_drv && ssb_drv->suspend) - err = ssb_drv->suspend(ssb_dev, state); - if (err) - goto out; - } - - bus = ssb_dev->bus; - bus->suspend_cnt++; - if (bus->suspend_cnt == bus->nr_devices) { - /* All devices suspended. Shutdown the bus. */ - ssb_bus_suspend(bus, state); - } - -out: - return err; -} - -#ifdef CONFIG_SSB_PCIHOST -int ssb_devices_freeze(struct ssb_bus *bus) -{ - struct ssb_device *dev; - struct ssb_driver *drv; - int err = 0; - int i; - pm_message_t state = PMSG_FREEZE; - - for (i = 0; i < bus->nr_devices; i++) { - dev = &(bus->devices[i]); - if (!dev->dev->driver) - continue; - if (!device_is_registered(dev->dev)) - continue; - drv = drv_to_ssb_drv(dev->dev->driver); - if (drv && drv->suspend) { - err = drv->suspend(dev, state); - if (err) - goto out; - } - } -out: - return err; -} - -int ssb_devices_thaw(struct ssb_bus *bus) -{ - struct ssb_device *dev; - struct ssb_driver *drv; - int err = 0; - int i; - - for (i = 0; i < bus->nr_devices; i++) { - dev = &(bus->devices[i]); - if (!dev->dev->driver) - continue; - if (!device_is_registered(dev->dev)) - continue; - drv = drv_to_ssb_drv(dev->dev->driver); - if (drv && drv->resume) { - err = drv->resume(dev); - if (err) - goto out; - } - } -out: - return err; -} -#endif /* CONFIG_SSB_PCIHOST */ - -static void ssb_device_shutdown(struct device *dev) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv; - - if (!dev->driver) - return; - ssb_drv = drv_to_ssb_drv(dev->driver); - if (ssb_drv && ssb_drv->shutdown) - ssb_drv->shutdown(ssb_dev); -} - -static int ssb_device_remove(struct device *dev) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver); - - if (ssb_drv && ssb_drv->remove) - ssb_drv->remove(ssb_dev); - ssb_device_put(ssb_dev); - - return 0; -} - -static int ssb_device_probe(struct device *dev) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver); - int err = 0; - - ssb_device_get(ssb_dev); - if (ssb_drv && ssb_drv->probe) - err = ssb_drv->probe(ssb_dev, &ssb_dev->id); - if (err) - ssb_device_put(ssb_dev); - - return err; -} - -static int ssb_match_devid(const struct ssb_device_id *tabid, - const struct ssb_device_id *devid) -{ - if ((tabid->vendor != devid->vendor) && - tabid->vendor != SSB_ANY_VENDOR) - return 0; - if ((tabid->coreid != devid->coreid) && - tabid->coreid != SSB_ANY_ID) - return 0; - if ((tabid->revision != devid->revision) && - tabid->revision != SSB_ANY_REV) - return 0; - return 1; -} - -static int ssb_bus_match(struct device *dev, struct device_driver *drv) -{ - struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); - struct ssb_driver *ssb_drv = drv_to_ssb_drv(drv); - const struct ssb_device_id *id; - - for (id = ssb_drv->id_table; - id->vendor || id->coreid || id->revision; - id++) { - if (ssb_match_devid(id, &ssb_dev->id)) - return 1; /* found */ - } - - return 0; -} - -static struct bus_type ssb_bustype = { - .name = NULL, /* Intentionally NULL to indicate early boot */ - .match = ssb_bus_match, - .probe = ssb_device_probe, - .remove = ssb_device_remove, - .shutdown = ssb_device_shutdown, - .suspend = ssb_device_suspend, - .resume = ssb_device_resume, -}; - -#define is_early_boot() (ssb_bustype.name == NULL) - -static void ssb_buses_lock(void) -{ - if (!is_early_boot()) - mutex_lock(&buses_mutex); -} - -static void ssb_buses_unlock(void) -{ - if (!is_early_boot()) - mutex_unlock(&buses_mutex); -} - -static void ssb_devices_unregister(struct ssb_bus *bus) -{ - struct ssb_device *sdev; - int i; - - for (i = bus->nr_devices - 1; i >= 0; i--) { - sdev = &(bus->devices[i]); - if (sdev->dev) - device_unregister(sdev->dev); - } -} - -void ssb_bus_unregister(struct ssb_bus *bus) -{ - ssb_buses_lock(); - ssb_devices_unregister(bus); - list_del(&bus->list); - ssb_buses_unlock(); - - /* ssb_pcmcia_exit(bus); */ - ssb_pci_exit(bus); - ssb_iounmap(bus); -} -EXPORT_SYMBOL(ssb_bus_unregister); - -static void ssb_release_dev(struct device *dev) -{ - struct __ssb_dev_wrapper *devwrap; - - devwrap = container_of(dev, struct __ssb_dev_wrapper, dev); - kfree(devwrap); -} - -static int ssb_devices_register(struct ssb_bus *bus) -{ - struct ssb_device *sdev; - struct device *dev; - struct __ssb_dev_wrapper *devwrap; - int i, err = 0; - int dev_idx = 0; - - for (i = 0; i < bus->nr_devices; i++) { - sdev = &(bus->devices[i]); - - /* We don't register SSB-system devices to the kernel, - * as the drivers for them are built into SSB. */ - switch (sdev->id.coreid) { - case SSB_DEV_CHIPCOMMON: - case SSB_DEV_PCI: - case SSB_DEV_PCIE: - case SSB_DEV_PCMCIA: - case SSB_DEV_MIPS: - case SSB_DEV_MIPS_3302: - case SSB_DEV_EXTIF: - continue; - } - - devwrap = kzalloc(sizeof(*devwrap), GFP_KERNEL); - if (!devwrap) { - ssb_printk(KERN_ERR PFX - "Could not allocate device\n"); - err = -ENOMEM; - goto error; - } - dev = &devwrap->dev; - devwrap->sdev = sdev; - - dev->release = ssb_release_dev; - dev->bus = &ssb_bustype; - snprintf(dev->bus_id, sizeof(dev->bus_id), - "ssb%u:%d", bus->busnumber, dev_idx); - - switch (bus->bustype) { - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - sdev->irq = bus->host_pci->irq; - dev->parent = &bus->host_pci->dev; -#endif - break; - case SSB_BUSTYPE_PCMCIA: -#ifdef CONFIG_SSB_PCMCIAHOST - dev->parent = &bus->host_pcmcia->dev; -#endif - break; - case SSB_BUSTYPE_SSB: - break; - } - - sdev->dev = dev; - err = device_register(dev); - if (err) { - ssb_printk(KERN_ERR PFX - "Could not register %s\n", - dev->bus_id); - /* Set dev to NULL to not unregister - * dev on error unwinding. */ - sdev->dev = NULL; - kfree(devwrap); - goto error; - } - dev_idx++; - } - - return 0; -error: - /* Unwind the already registered devices. */ - ssb_devices_unregister(bus); - return err; -} - -/* Needs ssb_buses_lock() */ -static int ssb_attach_queued_buses(void) -{ - struct ssb_bus *bus, *n; - int err = 0; - int drop_them_all = 0; - - list_for_each_entry_safe(bus, n, &attach_queue, list) { - if (drop_them_all) { - list_del(&bus->list); - continue; - } - /* Can't init the PCIcore in ssb_bus_register(), as that - * is too early in boot for embedded systems - * (no udelay() available). So do it here in attach stage. - */ - ssb_pcicore_init(&bus->pcicore); - - err = ssb_devices_register(bus); - if (err) { - drop_them_all = 1; - list_del(&bus->list); - continue; - } - list_move_tail(&bus->list, &buses); - } - - return err; -} - -static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - return readw(bus->mmio + offset); -} - -static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - return readl(bus->mmio + offset); -} - -static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - writew(value, bus->mmio + offset); -} - -static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - struct ssb_bus *bus = dev->bus; - - offset += dev->core_index * SSB_CORE_SIZE; - writel(value, bus->mmio + offset); -} - -static const struct ssb_bus_ops ssb_ssb_ops = { - .read16 = ssb_ssb_read16, - .read32 = ssb_ssb_read32, - .write16 = ssb_ssb_write16, - .write32 = ssb_ssb_write32, -}; - -static int ssb_fetch_invariants(struct ssb_bus *bus, - int (*get_invariants)(struct ssb_bus *bus, - struct ssb_init_invariants *iv)) -{ - struct ssb_init_invariants iv; - int err; - - memset(&iv, 0, sizeof(iv)); - err = get_invariants(bus, &iv); - if (err) - goto out; - memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo)); - memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom)); -out: - return err; -} - -static int ssb_bus_register(struct ssb_bus *bus, - int (*get_invariants)(struct ssb_bus *bus, - struct ssb_init_invariants *iv), - unsigned long baseaddr) -{ - int err; - - spin_lock_init(&bus->bar_lock); - INIT_LIST_HEAD(&bus->list); - - /* Powerup the bus */ - err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); - if (err) - goto out; - ssb_buses_lock(); - bus->busnumber = next_busnumber; - /* Scan for devices (cores) */ - err = ssb_bus_scan(bus, baseaddr); - if (err) - goto err_disable_xtal; - - /* Init PCI-host device (if any) */ - err = ssb_pci_init(bus); - if (err) - goto err_unmap; - /* Init PCMCIA-host device (if any) */ - err = ssb_pcmcia_init(bus); - if (err) - goto err_pci_exit; - - /* Initialize basic system devices (if available) */ - ssb_chipcommon_init(&bus->chipco); - ssb_mipscore_init(&bus->mipscore); - err = ssb_fetch_invariants(bus, get_invariants); - if (err) - goto err_pcmcia_exit; - - /* Queue it for attach */ - list_add_tail(&bus->list, &attach_queue); - if (!is_early_boot()) { - /* This is not early boot, so we must attach the bus now */ - err = ssb_attach_queued_buses(); - if (err) - goto err_dequeue; - } - next_busnumber++; - ssb_buses_unlock(); - -out: - return err; - -err_dequeue: - list_del(&bus->list); -err_pcmcia_exit: -/* ssb_pcmcia_exit(bus); */ -err_pci_exit: - ssb_pci_exit(bus); -err_unmap: - ssb_iounmap(bus); -err_disable_xtal: - ssb_buses_unlock(); - ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); - return err; -} - -#ifdef CONFIG_SSB_PCIHOST -int ssb_bus_pcibus_register(struct ssb_bus *bus, - struct pci_dev *host_pci) -{ - int err; - - bus->bustype = SSB_BUSTYPE_PCI; - bus->host_pci = host_pci; - bus->ops = &ssb_pci_ops; - - err = ssb_bus_register(bus, ssb_pci_get_invariants, 0); - if (!err) { - ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on " - "PCI device %s\n", host_pci->dev.bus_id); - } - - return err; -} -EXPORT_SYMBOL(ssb_bus_pcibus_register); -#endif /* CONFIG_SSB_PCIHOST */ - -#ifdef CONFIG_SSB_PCMCIAHOST -int ssb_bus_pcmciabus_register(struct ssb_bus *bus, - struct pcmcia_device *pcmcia_dev, - unsigned long baseaddr) -{ - int err; - - bus->bustype = SSB_BUSTYPE_PCMCIA; - bus->host_pcmcia = pcmcia_dev; - bus->ops = &ssb_pcmcia_ops; - - err = ssb_bus_register(bus, ssb_pcmcia_get_invariants, baseaddr); - if (!err) { - ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on " - "PCMCIA device %s\n", pcmcia_dev->devname); - } - - return err; -} -EXPORT_SYMBOL(ssb_bus_pcmciabus_register); -#endif /* CONFIG_SSB_PCMCIAHOST */ - -int ssb_bus_ssbbus_register(struct ssb_bus *bus, - unsigned long baseaddr, - int (*get_invariants)(struct ssb_bus *bus, - struct ssb_init_invariants *iv)) -{ - int err; - - bus->bustype = SSB_BUSTYPE_SSB; - bus->ops = &ssb_ssb_ops; - - err = ssb_bus_register(bus, get_invariants, baseaddr); - if (!err) { - ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found at " - "address 0x%08lX\n", baseaddr); - } - - return err; -} - -int __ssb_driver_register(struct ssb_driver *drv, struct module *owner) -{ - drv->drv.name = drv->name; - drv->drv.bus = &ssb_bustype; - drv->drv.owner = owner; - - return driver_register(&drv->drv); -} -EXPORT_SYMBOL(__ssb_driver_register); - -void ssb_driver_unregister(struct ssb_driver *drv) -{ - driver_unregister(&drv->drv); -} -EXPORT_SYMBOL(ssb_driver_unregister); - -void ssb_set_devtypedata(struct ssb_device *dev, void *data) -{ - struct ssb_bus *bus = dev->bus; - struct ssb_device *ent; - int i; - - for (i = 0; i < bus->nr_devices; i++) { - ent = &(bus->devices[i]); - if (ent->id.vendor != dev->id.vendor) - continue; - if (ent->id.coreid != dev->id.coreid) - continue; - - ent->devtypedata = data; - } -} -EXPORT_SYMBOL(ssb_set_devtypedata); - -static u32 clkfactor_f6_resolve(u32 v) -{ - /* map the magic values */ - switch (v) { - case SSB_CHIPCO_CLK_F6_2: - return 2; - case SSB_CHIPCO_CLK_F6_3: - return 3; - case SSB_CHIPCO_CLK_F6_4: - return 4; - case SSB_CHIPCO_CLK_F6_5: - return 5; - case SSB_CHIPCO_CLK_F6_6: - return 6; - case SSB_CHIPCO_CLK_F6_7: - return 7; - } - return 0; -} - -/* Calculate the speed the backplane would run at a given set of clockcontrol values */ -u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m) -{ - u32 n1, n2, clock, m1, m2, m3, mc; - - n1 = (n & SSB_CHIPCO_CLK_N1); - n2 = ((n & SSB_CHIPCO_CLK_N2) >> SSB_CHIPCO_CLK_N2_SHIFT); - - switch (plltype) { - case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */ - if (m & SSB_CHIPCO_CLK_T6_MMASK) - return SSB_CHIPCO_CLK_T6_M0; - return SSB_CHIPCO_CLK_T6_M1; - case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */ - case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ - case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */ - case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ - n1 = clkfactor_f6_resolve(n1); - n2 += SSB_CHIPCO_CLK_F5_BIAS; - break; - case SSB_PLLTYPE_2: /* 48Mhz, 4 dividers */ - n1 += SSB_CHIPCO_CLK_T2_BIAS; - n2 += SSB_CHIPCO_CLK_T2_BIAS; - assert((n1 >= 2) && (n1 <= 7)); - assert((n2 >= 5) && (n2 <= 23)); - break; - case SSB_PLLTYPE_5: /* 25Mhz, 4 dividers */ - return 100000000; - default: - assert(0); - } - - switch (plltype) { - case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ - case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ - clock = SSB_CHIPCO_CLK_BASE2 * n1 * n2; - break; - default: - clock = SSB_CHIPCO_CLK_BASE1 * n1 * n2; - } - if (!clock) - return 0; - - m1 = (m & SSB_CHIPCO_CLK_M1); - m2 = ((m & SSB_CHIPCO_CLK_M2) >> SSB_CHIPCO_CLK_M2_SHIFT); - m3 = ((m & SSB_CHIPCO_CLK_M3) >> SSB_CHIPCO_CLK_M3_SHIFT); - mc = ((m & SSB_CHIPCO_CLK_MC) >> SSB_CHIPCO_CLK_MC_SHIFT); - - switch (plltype) { - case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */ - case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ - case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */ - case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ - m1 = clkfactor_f6_resolve(m1); - if ((plltype == SSB_PLLTYPE_1) || - (plltype == SSB_PLLTYPE_3)) - m2 += SSB_CHIPCO_CLK_F5_BIAS; - else - m2 = clkfactor_f6_resolve(m2); - m3 = clkfactor_f6_resolve(m3); - - switch (mc) { - case SSB_CHIPCO_CLK_MC_BYPASS: - return clock; - case SSB_CHIPCO_CLK_MC_M1: - return (clock / m1); - case SSB_CHIPCO_CLK_MC_M1M2: - return (clock / (m1 * m2)); - case SSB_CHIPCO_CLK_MC_M1M2M3: - return (clock / (m1 * m2 * m3)); - case SSB_CHIPCO_CLK_MC_M1M3: - return (clock / (m1 * m3)); - } - return 0; - case SSB_PLLTYPE_2: - m1 += SSB_CHIPCO_CLK_T2_BIAS; - m2 += SSB_CHIPCO_CLK_T2M2_BIAS; - m3 += SSB_CHIPCO_CLK_T2_BIAS; - assert((m1 >= 2) && (m1 <= 7)); - assert((m2 >= 3) && (m2 <= 10)); - assert((m3 >= 2) && (m3 <= 7)); - - if (!(mc & SSB_CHIPCO_CLK_T2MC_M1BYP)) - clock /= m1; - if (!(mc & SSB_CHIPCO_CLK_T2MC_M2BYP)) - clock /= m2; - if (!(mc & SSB_CHIPCO_CLK_T2MC_M3BYP)) - clock /= m3; - return clock; - default: - assert(0); - } - return 0; -} - -/* Get the current speed the backplane is running at */ -u32 ssb_clockspeed(struct ssb_bus *bus) -{ - u32 rate; - u32 plltype; - u32 clkctl_n, clkctl_m; - - //TODO if EXTIF: PLLTYPE == 1, read n from clockcontrol_n, m from clockcontrol_sb - - if (bus->chipco.dev) { - ssb_chipco_get_clockcontrol(&bus->chipco, &plltype, - &clkctl_n, &clkctl_m); - } else - return 0; - - if (bus->chip_id == 0x5365) { - rate = 100000000; - } else { - rate = ssb_calc_clock_rate(plltype, clkctl_n, clkctl_m); - if (plltype == SSB_PLLTYPE_3) /* 25Mhz, 2 dividers */ - rate /= 2; - } - - return rate; -} -EXPORT_SYMBOL(ssb_clockspeed); - -static u32 ssb_tmslow_reject_bitmask(struct ssb_device *dev) -{ - /* The REJECT bit changed position in TMSLOW between - * Backplane revisions. */ - switch (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV) { - case SSB_IDLOW_SSBREV_22: - return SSB_TMSLOW_REJECT_22; - case SSB_IDLOW_SSBREV_23: - return SSB_TMSLOW_REJECT_23; - default: - assert(0); - } - return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23); -} - -int ssb_device_is_enabled(struct ssb_device *dev) -{ - u32 val; - u32 reject; - - reject = ssb_tmslow_reject_bitmask(dev); - val = ssb_read32(dev, SSB_TMSLOW); - val &= SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET | reject; - - return (val == SSB_TMSLOW_CLOCK); -} -EXPORT_SYMBOL(ssb_device_is_enabled); - -void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags) -{ - u32 val; - - ssb_device_disable(dev, core_specific_flags); - ssb_write32(dev, SSB_TMSLOW, - SSB_TMSLOW_RESET | SSB_TMSLOW_CLOCK | - SSB_TMSLOW_FGC | core_specific_flags); - /* flush */ - ssb_read32(dev, SSB_TMSLOW); - udelay(1); - - /* Clear SERR if set. This is a hw bug workaround. */ - if (ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_SERR) - ssb_write32(dev, SSB_TMSHIGH, 0); - - val = ssb_read32(dev, SSB_IMSTATE); - if (val & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { - val &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); - ssb_write32(dev, SSB_IMSTATE, val); - } - - ssb_write32(dev, SSB_TMSLOW, - SSB_TMSLOW_CLOCK | SSB_TMSLOW_FGC | - core_specific_flags); - /* flush */ - ssb_read32(dev, SSB_TMSLOW); - udelay(1); - - ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_CLOCK | - core_specific_flags); - /* flush */ - ssb_read32(dev, SSB_TMSLOW); - udelay(1); -} -EXPORT_SYMBOL(ssb_device_enable); - -static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask, - int timeout, int set) -{ - int i; - u32 val; - - for (i = 0; i < timeout; i++) { - val = ssb_read32(dev, reg); - if (set) { - if (val & bitmask) - return 0; - } else { - if (!(val & bitmask)) - return 0; - } - udelay(10); - } - printk(KERN_ERR PFX "Timeout waiting for bitmask %08X on " - "register %04X to %s.\n", - bitmask, reg, (set ? "set" : "clear")); - - return -ETIMEDOUT; -} - -void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags) -{ - u32 reject; - - if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET) - return; - - reject = ssb_tmslow_reject_bitmask(dev); - ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK); - ssb_wait_bit(dev, SSB_TMSLOW, reject, 1000, 1); - ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0); - ssb_write32(dev, SSB_TMSLOW, - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | - reject | SSB_TMSLOW_RESET | - core_specific_flags); - /* flush */ - ssb_read32(dev, SSB_TMSLOW); - udelay(1); - - ssb_write32(dev, SSB_TMSLOW, - reject | SSB_TMSLOW_RESET | - core_specific_flags); - /* flush */ - ssb_read32(dev, SSB_TMSLOW); - udelay(1); -} -EXPORT_SYMBOL(ssb_device_disable); - -u32 ssb_dma_translation(struct ssb_device *dev) -{ - switch(dev->bus->bustype) { - case SSB_BUSTYPE_SSB: - return 0; - case SSB_BUSTYPE_PCI: - case SSB_BUSTYPE_PCMCIA: - return SSB_PCI_DMA; - } - return 0; -} -EXPORT_SYMBOL(ssb_dma_translation); - -int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask) -{ - struct device *dev = ssb_dev->dev; - -#ifdef CONFIG_SSB_PCIHOST - if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI && - !dma_supported(dev, mask)) - return -EIO; -#endif - dev->coherent_dma_mask = mask; - dev->dma_mask = &dev->coherent_dma_mask; - - return 0; -} -EXPORT_SYMBOL(ssb_dma_set_mask); - -int ssb_bus_may_powerdown(struct ssb_bus *bus) -{ - struct ssb_chipcommon *cc; - int err; - - /* On buses where more than one core may be working - * at a time, we must not powerdown stuff if there are - * still cores that may want to run. */ - if (bus->bustype == SSB_BUSTYPE_SSB) - return 0; - - cc = &bus->chipco; - ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW); - err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); - if (err) - goto error; - - return 0; -error: - ssb_printk(KERN_ERR PFX "Bus powerdown failed\n"); - return err; -} -EXPORT_SYMBOL(ssb_bus_may_powerdown); - -int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl) -{ - struct ssb_chipcommon *cc; - int err; - enum ssb_clkmode mode; - - err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); - if (err) - goto error; - cc = &bus->chipco; - mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST; - ssb_chipco_set_clockmode(cc, mode); - - return 0; -error: - ssb_printk(KERN_ERR PFX "Bus powerup failed\n"); - return err; -} -EXPORT_SYMBOL(ssb_bus_powerup); - -u32 ssb_admatch_base(u32 adm) -{ - u32 base = 0; - - switch (adm & SSB_ADM_TYPE) { - case SSB_ADM_TYPE0: - base = (adm & SSB_ADM_BASE0); - break; - case SSB_ADM_TYPE1: - assert(!(adm & SSB_ADM_NEG)); /* unsupported */ - base = (adm & SSB_ADM_BASE1); - break; - case SSB_ADM_TYPE2: - assert(!(adm & SSB_ADM_NEG)); /* unsupported */ - base = (adm & SSB_ADM_BASE2); - break; - default: - assert(0); - } - - return base; -} -EXPORT_SYMBOL(ssb_admatch_base); - -u32 ssb_admatch_size(u32 adm) -{ - u32 size = 0; - - switch (adm & SSB_ADM_TYPE) { - case SSB_ADM_TYPE0: - size = ((adm & SSB_ADM_SZ0) >> SSB_ADM_SZ0_SHIFT); - break; - case SSB_ADM_TYPE1: - assert(!(adm & SSB_ADM_NEG)); /* unsupported */ - size = ((adm & SSB_ADM_SZ1) >> SSB_ADM_SZ1_SHIFT); - break; - case SSB_ADM_TYPE2: - assert(!(adm & SSB_ADM_NEG)); /* unsupported */ - size = ((adm & SSB_ADM_SZ2) >> SSB_ADM_SZ2_SHIFT); - break; - default: - assert(0); - } - size = (1 << (size + 1)); - - return size; -} -EXPORT_SYMBOL(ssb_admatch_size); - -static int __init ssb_modinit(void) -{ - int err; - - ssb_bustype.name = "ssb"; - err = bus_register(&ssb_bustype); - if (err) - return err; - - /* Maybe we already registered some buses at early boot. - * Check for this and attach them - */ - ssb_buses_lock(); - err = ssb_attach_queued_buses(); - ssb_buses_unlock(); - if (err) - bus_unregister(&ssb_bustype); - - return err; -} -subsys_initcall(ssb_modinit); - -static void __exit ssb_modexit(void) -{ - bus_unregister(&ssb_bustype); -} -module_exit(ssb_modexit) diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c deleted file mode 100644 index f9dc28f51f..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/pci.c +++ /dev/null @@ -1,688 +0,0 @@ -/* - * Sonics Silicon Backplane PCI-Hostbus related functions. - * - * Copyright (C) 2005-2006 Michael Buesch - * Copyright (C) 2005 Martin Langer - * Copyright (C) 2005 Stefano Brivio - * Copyright (C) 2005 Danny van Dyk - * Copyright (C) 2005 Andreas Jaggi - * - * Derived from the Broadcom 4400 device driver. - * Copyright (C) 2002 David S. Miller (davem@redhat.com) - * Fixed by Pekka Pietikainen (pp@ee.oulu.fi) - * Copyright (C) 2006 Broadcom Corporation. - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include -#include -#include - -#include "ssb_private.h" - - -int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx) -{ - int err; - int attempts = 0; - u32 cur_core; - - while (1) { - err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN, - (coreidx * SSB_CORE_SIZE) - + SSB_ENUM_BASE); - if (err) - goto error; - err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN, - &cur_core); - if (err) - goto error; - cur_core = (cur_core - SSB_ENUM_BASE) - / SSB_CORE_SIZE; - if (cur_core == coreidx) - break; - - if (attempts++ > SSB_BAR0_MAX_RETRIES) - goto error; - udelay(10); - } - return 0; -error: - ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); - return -ENODEV; -} - -int ssb_pci_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - int err; - unsigned long flags; - - ssb_dprintk(KERN_INFO PFX - "Switching to %s core, index %d\n", - ssb_core_name(dev->id.coreid), - dev->core_index); - - spin_lock_irqsave(&bus->bar_lock, flags); - err = ssb_pci_switch_coreidx(bus, dev->core_index); - if (!err) - bus->mapped_device = dev; - spin_unlock_irqrestore(&bus->bar_lock, flags); - - return err; -} - -int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on) -{ - int err; - u32 in, out, outenable; - u16 pci_status; - - if (bus->bustype != SSB_BUSTYPE_PCI) - return 0; - - err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in); - if (err) - goto err_pci; - err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out); - if (err) - goto err_pci; - err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable); - if (err) - goto err_pci; - - outenable |= what; - - if (turn_on) { - /* Avoid glitching the clock if GPRS is already using it. - * We can't actually read the state of the PLLPD so we infer it - * by the value of XTAL_PU which *is* readable via gpioin. - */ - if (!(in & SSB_GPIO_XTAL)) { - if (what & SSB_GPIO_XTAL) { - /* Turn the crystal on */ - out |= SSB_GPIO_XTAL; - if (what & SSB_GPIO_PLL) - out |= SSB_GPIO_PLL; - err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); - if (err) - goto err_pci; - err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, - outenable); - if (err) - goto err_pci; - msleep(1); - } - if (what & SSB_GPIO_PLL) { - /* Turn the PLL on */ - out &= ~SSB_GPIO_PLL; - err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); - if (err) - goto err_pci; - msleep(5); - } - } - - err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status); - if (err) - goto err_pci; - pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT; - err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status); - if (err) - goto err_pci; - } else { - if (what & SSB_GPIO_XTAL) { - /* Turn the crystal off */ - out &= ~SSB_GPIO_XTAL; - } - if (what & SSB_GPIO_PLL) { - /* Turn the PLL off */ - out |= SSB_GPIO_PLL; - } - err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); - if (err) - goto err_pci; - err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable); - if (err) - goto err_pci; - } - -out: - return err; - -err_pci: - printk(KERN_ERR PFX "Error: ssb_pci_xtal() could not access PCI config space!\n"); - err = -EBUSY; - goto out; -} - -#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16)) -#define SPEX(_outvar, _offset, _mask, _shift) \ - out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) - -static inline u8 ssb_crc8(u8 crc, u8 data) -{ - /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */ - static const u8 t[] = { - 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, - 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, - 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, - 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, - 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, - 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, - 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, - 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, - 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, - 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, - 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, - 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, - 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, - 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, - 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, - 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, - 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, - 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, - 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, - 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, - 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, - 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, - 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, - 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, - 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, - 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, - 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, - 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, - 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, - 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, - 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, - 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, - }; - return t[crc ^ data]; -} - -static u8 ssb_sprom_crc(const u16 *sprom) -{ - int word; - u8 crc = 0xFF; - - for (word = 0; word < SSB_SPROMSIZE_WORDS - 1; word++) { - crc = ssb_crc8(crc, sprom[word] & 0x00FF); - crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8); - } - crc = ssb_crc8(crc, sprom[SPOFF(SSB_SPROM_REVISION)] & 0x00FF); - crc ^= 0xFF; - - return crc; -} - -static int sprom_check_crc(const u16 *sprom) -{ - u8 crc; - u8 expected_crc; - u16 tmp; - - crc = ssb_sprom_crc(sprom); - tmp = sprom[SPOFF(SSB_SPROM_REVISION)] & SSB_SPROM_REVISION_CRC; - expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT; - if (crc != expected_crc) - return -EPROTO; - - return 0; -} - -static void sprom_do_read(struct ssb_bus *bus, u16 *sprom) -{ - int i; - - for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) - sprom[i] = readw(bus->mmio + SSB_SPROM_BASE + (i * 2)); -} - -static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) -{ - struct pci_dev *pdev = bus->host_pci; - int i, err; - u32 spromctl; - - ssb_printk(KERN_NOTICE PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); - err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); - if (err) - goto err_ctlreg; - spromctl |= SSB_SPROMCTL_WE; - err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - ssb_printk(KERN_NOTICE PFX "[ 0%%"); - msleep(500); - for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) { - if (i == SSB_SPROMSIZE_WORDS / 4) - ssb_printk("25%%"); - else if (i == SSB_SPROMSIZE_WORDS / 2) - ssb_printk("50%%"); - else if (i == (SSB_SPROMSIZE_WORDS / 4) * 3) - ssb_printk("75%%"); - else if (i % 2) - ssb_printk("."); - writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2)); - mmiowb(); - msleep(20); - } - err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); - if (err) - goto err_ctlreg; - spromctl &= ~SSB_SPROMCTL_WE; - err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); - if (err) - goto err_ctlreg; - msleep(500); - ssb_printk("100%% ]\n"); - ssb_printk(KERN_NOTICE PFX "SPROM written.\n"); - - return 0; -err_ctlreg: - ssb_printk(KERN_ERR PFX "Could not access SPROM control register.\n"); - return err; -} - -static void sprom_extract_r1(struct ssb_sprom_r1 *out, const u16 *in) -{ - int i; - u16 v; - - SPEX(pci_spid, SSB_SPROM1_SPID, 0xFFFF, 0); - SPEX(pci_svid, SSB_SPROM1_SVID, 0xFFFF, 0); - SPEX(pci_pid, SSB_SPROM1_PID, 0xFFFF, 0); - for (i = 0; i < 3; i++) { - v = in[SPOFF(SSB_SPROM1_IL0MAC) + i]; - *(((u16 *)out->il0mac) + i) = cpu_to_be16(v); - } - for (i = 0; i < 3; i++) { - v = in[SPOFF(SSB_SPROM1_ET0MAC) + i]; - *(((u16 *)out->et0mac) + i) = cpu_to_be16(v); - } - for (i = 0; i < 3; i++) { - v = in[SPOFF(SSB_SPROM1_ET1MAC) + i]; - *(((u16 *)out->et1mac) + i) = cpu_to_be16(v); - } - SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); - SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, - SSB_SPROM1_ETHPHY_ET1A_SHIFT); - SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); - SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); - SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); - SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, - SSB_SPROM1_BINF_CCODE_SHIFT); - SPEX(antenna_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, - SSB_SPROM1_BINF_ANTA_SHIFT); - SPEX(antenna_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, - SSB_SPROM1_BINF_ANTBG_SHIFT); - SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); - SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); - SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); - SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); - SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); - SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); - SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); - SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, - SSB_SPROM1_GPIOA_P1_SHIFT); - SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); - SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, - SSB_SPROM1_GPIOB_P3_SHIFT); - SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, - SSB_SPROM1_MAXPWR_A_SHIFT); - SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); - SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, - SSB_SPROM1_ITSSI_A_SHIFT); - SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); - SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); - SPEX(antenna_gain_a, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_A, 0); - SPEX(antenna_gain_bg, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_BG, - SSB_SPROM1_AGAIN_BG_SHIFT); - for (i = 0; i < 4; i++) { - v = in[SPOFF(SSB_SPROM1_OEM) + i]; - *(((u16 *)out->oem) + i) = cpu_to_le16(v); - } -} - -static void sprom_extract_r2(struct ssb_sprom_r2 *out, const u16 *in) -{ - int i; - u16 v; - - SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); - SPEX(maxpwr_a_hi, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0); - SPEX(maxpwr_a_lo, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO, - SSB_SPROM2_MAXP_A_LO_SHIFT); - SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0); - SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0); - SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0); - SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0); - SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0); - SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0); - SPEX(ofdm_pwr_off, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0); - for (i = 0; i < 4; i++) { - v = in[SPOFF(SSB_SPROM2_CCODE) + i]; - *(((u16 *)out->country_str) + i) = cpu_to_le16(v); - } -} - -static void sprom_extract_r3(struct ssb_sprom_r3 *out, const u16 *in) -{ - out->ofdmapo = (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0xFF00) >> 8; - out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0x00FF) << 8; - out->ofdmapo <<= 16; - out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0xFF00) >> 8; - out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0x00FF) << 8; - - out->ofdmalpo = (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0xFF00) >> 8; - out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0x00FF) << 8; - out->ofdmalpo <<= 16; - out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0xFF00) >> 8; - out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0x00FF) << 8; - - out->ofdmahpo = (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0xFF00) >> 8; - out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0x00FF) << 8; - out->ofdmahpo <<= 16; - out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0xFF00) >> 8; - out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0x00FF) << 8; - - SPEX(gpioldc_on_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_ON, - SSB_SPROM3_GPIOLDC_ON_SHIFT); - SPEX(gpioldc_off_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_OFF, - SSB_SPROM3_GPIOLDC_OFF_SHIFT); - SPEX(cckpo_1M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_1M, 0); - SPEX(cckpo_2M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_2M, - SSB_SPROM3_CCKPO_2M_SHIFT); - SPEX(cckpo_55M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_55M, - SSB_SPROM3_CCKPO_55M_SHIFT); - SPEX(cckpo_11M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_11M, - SSB_SPROM3_CCKPO_11M_SHIFT); - - out->ofdmgpo = (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0xFF00) >> 8; - out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0x00FF) << 8; - out->ofdmgpo <<= 16; - out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0xFF00) >> 8; - out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0x00FF) << 8; -} - -static int sprom_extract(struct ssb_bus *bus, - struct ssb_sprom *out, const u16 *in) -{ - memset(out, 0, sizeof(*out)); - - SPEX(revision, SSB_SPROM_REVISION, SSB_SPROM_REVISION_REV, 0); - SPEX(crc, SSB_SPROM_REVISION, SSB_SPROM_REVISION_CRC, - SSB_SPROM_REVISION_CRC_SHIFT); - - if ((bus->chip_id & 0xFF00) == 0x4400) { - /* Workaround: The BCM44XX chip has a stupid revision - * number stored in the SPROM. - * Always extract r1. */ - sprom_extract_r1(&out->r1, in); - } else { - if (out->revision == 0) - goto unsupported; - if (out->revision >= 1 && out->revision <= 3) - sprom_extract_r1(&out->r1, in); - if (out->revision >= 2 && out->revision <= 3) - sprom_extract_r2(&out->r2, in); - if (out->revision == 3) - sprom_extract_r3(&out->r3, in); - if (out->revision >= 4) - goto unsupported; - } - - return 0; -unsupported: - ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d " - "detected. Will extract v1\n", out->revision); - sprom_extract_r1(&out->r1, in); - return 0; -} - -static int ssb_pci_sprom_get(struct ssb_bus *bus, - struct ssb_sprom *sprom) -{ - int err = -ENOMEM; - u16 *buf; - - buf = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); - if (!buf) - goto out; - sprom_do_read(bus, buf); - err = sprom_check_crc(buf); - if (err) { - ssb_printk(KERN_WARNING PFX - "WARNING: Invalid SPROM CRC (corrupt SPROM)\n"); - } - err = sprom_extract(bus, sprom, buf); - - kfree(buf); -out: - return err; -} - -static void ssb_pci_get_boardinfo(struct ssb_bus *bus, - struct ssb_boardinfo *bi) -{ - pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID, - &bi->vendor); - pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID, - &bi->type); - pci_read_config_word(bus->host_pci, PCI_REVISION_ID, - &bi->rev); -} - -int ssb_pci_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) -{ - int err; - - err = ssb_pci_sprom_get(bus, &iv->sprom); - if (err) - goto out; - ssb_pci_get_boardinfo(bus, &iv->boardinfo); - -out: - return err; -} - -static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(bus->mapped_device != dev)) { - if (unlikely(ssb_pci_switch_core(bus, dev))) - return 0xFFFF; - } - return readw(bus->mmio + offset); -} - -static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(bus->mapped_device != dev)) { - if (unlikely(ssb_pci_switch_core(bus, dev))) - return 0xFFFFFFFF; - } - return readl(bus->mmio + offset); -} - -static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(bus->mapped_device != dev)) { - if (unlikely(ssb_pci_switch_core(bus, dev))) - return; - } - writew(value, bus->mmio + offset); -} - -static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(bus->mapped_device != dev)) { - if (unlikely(ssb_pci_switch_core(bus, dev))) - return; - } - writel(value, bus->mmio + offset); -} - -const struct ssb_bus_ops ssb_pci_ops = { - .read16 = ssb_pci_read16, - .read32 = ssb_pci_read32, - .write16 = ssb_pci_write16, - .write32 = ssb_pci_write32, -}; - -static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len) -{ - int i, pos = 0; - - for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) { - pos += snprintf(buf + pos, buf_len - pos - 1, - "%04X", swab16(sprom[i]) & 0xFFFF); - } - pos += snprintf(buf + pos, buf_len - pos - 1, "\n"); - - return pos + 1; -} - -static int hex2sprom(u16 *sprom, const char *dump, size_t len) -{ - char tmp[5] = { 0 }; - int cnt = 0; - unsigned long parsed; - - if (len < SSB_SPROMSIZE_BYTES * 2) - return -EINVAL; - - while (cnt < SSB_SPROMSIZE_WORDS) { - memcpy(tmp, dump, 4); - dump += 4; - parsed = simple_strtoul(tmp, NULL, 16); - sprom[cnt++] = swab16((u16)parsed); - } - - return 0; -} - -static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); - struct ssb_bus *bus; - u16 *sprom; - int err = -ENODEV; - ssize_t count = 0; - - bus = ssb_pci_dev_to_bus(pdev); - if (!bus) - goto out; - err = -ENOMEM; - sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); - if (!sprom) - goto out; - - err = -ERESTARTSYS; - if (mutex_lock_interruptible(&bus->pci_sprom_mutex)) - goto out_kfree; - sprom_do_read(bus, sprom); - mutex_unlock(&bus->pci_sprom_mutex); - - count = sprom2hex(sprom, buf, PAGE_SIZE); - err = 0; - -out_kfree: - kfree(sprom); -out: - return err ? err : count; -} - -static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); - struct ssb_bus *bus; - u16 *sprom; - int res = 0, err = -ENODEV; - - bus = ssb_pci_dev_to_bus(pdev); - if (!bus) - goto out; - err = -ENOMEM; - sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); - if (!sprom) - goto out; - err = hex2sprom(sprom, buf, count); - if (err) { - err = -EINVAL; - goto out_kfree; - } - err = sprom_check_crc(sprom); - if (err) { - err = -EINVAL; - goto out_kfree; - } - - err = -ERESTARTSYS; - if (mutex_lock_interruptible(&bus->pci_sprom_mutex)) - goto out_kfree; - err = ssb_devices_freeze(bus); - if (err) { - ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n"); - goto out_unlock; - } - res = sprom_do_write(bus, sprom); - err = ssb_devices_thaw(bus); - if (err) - ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n"); -out_unlock: - mutex_unlock(&bus->pci_sprom_mutex); -out_kfree: - kfree(sprom); -out: - if (res) - return res; - return err ? err : count; -} - -static DEVICE_ATTR(ssb_sprom, 0600, - ssb_pci_attr_sprom_show, - ssb_pci_attr_sprom_store); - -void ssb_pci_exit(struct ssb_bus *bus) -{ - struct pci_dev *pdev; - - if (bus->bustype != SSB_BUSTYPE_PCI) - return; - - pdev = bus->host_pci; - device_remove_file(&pdev->dev, &dev_attr_ssb_sprom); -} - -int ssb_pci_init(struct ssb_bus *bus) -{ - struct pci_dev *pdev; - int err; - - if (bus->bustype != SSB_BUSTYPE_PCI) - return 0; - - pdev = bus->host_pci; - mutex_init(&bus->pci_sprom_mutex); - err = device_create_file(&pdev->dev, &dev_attr_ssb_sprom); - if (err) - goto out; - -out: - return err; -} diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c deleted file mode 100644 index 82a10abef6..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcihost_wrapper.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Sonics Silicon Backplane - * PCI Hostdevice wrapper - * - * Copyright (c) 2005 Martin Langer - * Copyright (c) 2005 Stefano Brivio - * Copyright (c) 2005 Danny van Dyk - * Copyright (c) 2005 Andreas Jaggi - * Copyright (c) 2005-2007 Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include - - -#ifdef CONFIG_PM -static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state) -{ - pci_save_state(dev); - pci_disable_device(dev); - pci_set_power_state(dev, pci_choose_state(dev, state)); - - return 0; -} - -static int ssb_pcihost_resume(struct pci_dev *dev) -{ - int err; - - pci_set_power_state(dev, 0); - err = pci_enable_device(dev); - if (err) - return err; - pci_restore_state(dev); - - return 0; -} -#else /* CONFIG_PM */ -# define ssb_pcihost_suspend NULL -# define ssb_pcihost_resume NULL -#endif /* CONFIG_PM */ - -static int ssb_pcihost_probe(struct pci_dev *dev, - const struct pci_device_id *id) -{ - struct ssb_bus *ssb; - int err = -ENOMEM; - const char *name; - - ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); - if (!ssb) - goto out; - err = pci_enable_device(dev); - if (err) - goto err_kfree_ssb; - name = dev->dev.bus_id; - if (dev->driver && dev->driver->name) - name = dev->driver->name; - err = pci_request_regions(dev, name); - if (err) - goto err_pci_disable; - pci_set_master(dev); - - err = ssb_bus_pcibus_register(ssb, dev); - if (err) - goto err_pci_release_regions; - - pci_set_drvdata(dev, ssb); - -out: - return err; - -err_pci_release_regions: - pci_release_regions(dev); -err_pci_disable: - pci_disable_device(dev); -err_kfree_ssb: - kfree(ssb); - return err; -} - -static void ssb_pcihost_remove(struct pci_dev *dev) -{ - struct ssb_bus *ssb = pci_get_drvdata(dev); - - ssb_bus_unregister(ssb); - pci_release_regions(dev); - pci_disable_device(dev); - kfree(ssb); - pci_set_drvdata(dev, NULL); -} - -int ssb_pcihost_register(struct pci_driver *driver) -{ - driver->probe = ssb_pcihost_probe; - driver->remove = ssb_pcihost_remove; - driver->suspend = ssb_pcihost_suspend; - driver->resume = ssb_pcihost_resume; - - return pci_register_driver(driver); -} -EXPORT_SYMBOL(ssb_pcihost_register); diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c deleted file mode 100644 index b9085633eb..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/pcmcia.c +++ /dev/null @@ -1,263 +0,0 @@ -/* - * Sonics Silicon Backplane - * PCMCIA-Hostbus related functions - * - * Copyright 2006 Johannes Berg - * Copyright 2007 Michael Buesch - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "ssb_private.h" - - -int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, - u8 coreidx) -{ - struct pcmcia_device *pdev = bus->host_pcmcia; - int err; - int attempts = 0; - u32 cur_core; - conf_reg_t reg; - u32 addr; - u32 read_addr; - - addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE; - while (1) { - reg.Action = CS_WRITE; - reg.Offset = 0x2E; - reg.Value = (addr & 0x0000F000) >> 12; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - reg.Offset = 0x30; - reg.Value = (addr & 0x00FF0000) >> 16; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - reg.Offset = 0x32; - reg.Value = (addr & 0xFF000000) >> 24; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - - read_addr = 0; - - reg.Action = CS_READ; - reg.Offset = 0x2E; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= (reg.Value & 0xF) << 12; - reg.Offset = 0x30; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= reg.Value << 16; - reg.Offset = 0x32; - err = pcmcia_access_configuration_register(pdev, ®); - if (err != CS_SUCCESS) - goto error; - read_addr |= reg.Value << 24; - - cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE; - if (cur_core == coreidx) - break; - - if (attempts++ > SSB_BAR0_MAX_RETRIES) - goto error; - udelay(10); - } - - return 0; -error: - ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); - return -ENODEV; -} - -int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - int err; - unsigned long flags; - - ssb_dprintk(KERN_INFO PFX - "Switching to %s core, index %d\n", - ssb_core_name(dev->id.coreid), - dev->core_index); - - spin_lock_irqsave(&bus->bar_lock, flags); - err = ssb_pcmcia_switch_coreidx(bus, dev->core_index); - if (!err) - bus->mapped_device = dev; - spin_unlock_irqrestore(&bus->bar_lock, flags); - - return err; -} - -int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg) -{ - int attempts = 0; - unsigned long flags; - conf_reg_t reg; - int res, err = 0; - - assert(seg == 0 || seg == 1); - reg.Offset = 0x34; - reg.Function = 0; - spin_lock_irqsave(&bus->bar_lock, flags); - while (1) { - reg.Action = CS_WRITE; - reg.Value = seg; - res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (unlikely(res != CS_SUCCESS)) - goto error; - reg.Value = 0xFF; - reg.Action = CS_READ; - res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (unlikely(res != CS_SUCCESS)) - goto error; - - if (reg.Value == seg) - break; - - if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES)) - goto error; - udelay(10); - } - bus->mapped_pcmcia_seg = seg; -out_unlock: - spin_unlock_irqrestore(&bus->bar_lock, flags); - return err; -error: - ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n"); - err = -ENODEV; - goto out_unlock; -} - -static inline int do_select_core(struct ssb_bus *bus, - struct ssb_device *dev, - u16 *offset) -{ - int err; - u8 need_seg = (*offset >= 0x800) ? 1 : 0; - - if (unlikely(dev != bus->mapped_device)) { - err = ssb_pcmcia_switch_core(bus, dev); - if (unlikely(err)) - return err; - } - if (unlikely(need_seg != bus->mapped_pcmcia_seg)) { - err = ssb_pcmcia_switch_segment(bus, need_seg); - if (unlikely(err)) - return err; - } - if (need_seg == 1) - *offset -= 0x800; - - return 0; -} - -static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - u16 x; - - if (unlikely(do_select_core(bus, dev, &offset))) - return 0xFFFF; - x = readw(bus->mmio + offset); -//printk("R16 0x%04X, 0x%04X\n", offset, x); - return x; -} - -static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset) -{ - struct ssb_bus *bus = dev->bus; - u32 x; - - if (unlikely(do_select_core(bus, dev, &offset))) - return 0xFFFFFFFF; - x = readl(bus->mmio + offset); -//printk("R32 0x%04X, 0x%08X\n", offset, x); - return x; -} - -static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(do_select_core(bus, dev, &offset))) - return; -//printk("W16 0x%04X, 0x%04X\n", offset, value); - writew(value, bus->mmio + offset); -} - -static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - struct ssb_bus *bus = dev->bus; - - if (unlikely(do_select_core(bus, dev, &offset))) - return; -//printk("W32 0x%04X, 0x%08X\n", offset, value); - readw(bus->mmio + offset); - writew(value >> 16, bus->mmio + offset + 2); - readw(bus->mmio + offset); - writew(value, bus->mmio + offset); -} - -const struct ssb_bus_ops ssb_pcmcia_ops = { - .read16 = ssb_pcmcia_read16, - .read32 = ssb_pcmcia_read32, - .write16 = ssb_pcmcia_write16, - .write32 = ssb_pcmcia_write32, -}; - -int ssb_pcmcia_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv) -{ - //TODO - return 0; -} - -int ssb_pcmcia_init(struct ssb_bus *bus) -{ - conf_reg_t reg; - int err; - - if (bus->bustype != SSB_BUSTYPE_PCMCIA) - return 0; - - /* Switch segment to a known state and sync - * bus->mapped_pcmcia_seg with hardware state. */ - ssb_pcmcia_switch_segment(bus, 0); - - /* Init IRQ routing */ - reg.Action = CS_READ; - reg.Function = 0; - if (bus->chip_id == 0x4306) - reg.Offset = 0x00; - else - reg.Offset = 0x80; - err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (err != CS_SUCCESS) - goto error; - reg.Action = CS_WRITE; - reg.Value |= 0x04 | 0x01; - err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); - if (err != CS_SUCCESS) - goto error; - - return 0; -error: - return -ENODEV; -} diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c b/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c deleted file mode 100644 index b5d909c3a5..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/scan.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * Sonics Silicon Backplane - * Bus scanning - * - * Copyright (C) 2005-2007 Michael Buesch - * Copyright (C) 2005 Martin Langer - * Copyright (C) 2005 Stefano Brivio - * Copyright (C) 2005 Danny van Dyk - * Copyright (C) 2005 Andreas Jaggi - * Copyright (C) 2006 Broadcom Corporation. - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include -#include -#include -#include - -#ifdef CONFIG_SSB_PCMCIAHOST -# include -# include -# include -# include -#endif - -#include "ssb_private.h" - - -const char * ssb_core_name(u16 coreid) -{ - switch (coreid) { - case SSB_DEV_CHIPCOMMON: - return "ChipCommon"; - case SSB_DEV_ILINE20: - return "ILine 20"; - case SSB_DEV_SDRAM: - return "SDRAM"; - case SSB_DEV_PCI: - return "PCI"; - case SSB_DEV_MIPS: - return "MIPS"; - case SSB_DEV_ETHERNET: - return "Fast Ethernet"; - case SSB_DEV_V90: - return "V90"; - case SSB_DEV_USB11_HOSTDEV: - return "USB 1.1 Hostdev"; - case SSB_DEV_ADSL: - return "ADSL"; - case SSB_DEV_ILINE100: - return "ILine 100"; - case SSB_DEV_IPSEC: - return "IPSEC"; - case SSB_DEV_PCMCIA: - return "PCMCIA"; - case SSB_DEV_INTERNAL_MEM: - return "Internal Memory"; - case SSB_DEV_MEMC_SDRAM: - return "MEMC SDRAM"; - case SSB_DEV_EXTIF: - return "EXTIF"; - case SSB_DEV_80211: - return "IEEE 802.11"; - case SSB_DEV_MIPS_3302: - return "MIPS 3302"; - case SSB_DEV_USB11_HOST: - return "USB 1.1 Host"; - case SSB_DEV_USB11_DEV: - return "USB 1.1 Device"; - case SSB_DEV_USB20_HOST: - return "USB 2.0 Host"; - case SSB_DEV_USB20_DEV: - return "USB 2.0 Device"; - case SSB_DEV_SDIO_HOST: - return "SDIO Host"; - case SSB_DEV_ROBOSWITCH: - return "Roboswitch"; - case SSB_DEV_PARA_ATA: - return "PATA"; - case SSB_DEV_SATA_XORDMA: - return "SATA XOR-DMA"; - case SSB_DEV_ETHERNET_GBIT: - return "GBit Ethernet"; - case SSB_DEV_PCIE: - return "PCI-E"; - case SSB_DEV_MIMO_PHY: - return "MIMO PHY"; - case SSB_DEV_SRAM_CTRLR: - return "SRAM Controller"; - case SSB_DEV_MINI_MACPHY: - return "Mini MACPHY"; - case SSB_DEV_ARM_1176: - return "ARM 1176"; - case SSB_DEV_ARM_7TDMI: - return "ARM 7TDMI"; - } - return "UNKNOWN"; -} - -static u16 pcidev_to_chipid(struct pci_dev *pci_dev) -{ - u16 chipid_fallback = 0; - - switch (pci_dev->device) { - case 0x4301: - chipid_fallback = 0x4301; - break; - case 0x4305 ... 0x4307: - chipid_fallback = 0x4307; - break; - case 0x4403: - chipid_fallback = 0x4402; - break; - case 0x4610 ... 0x4615: - chipid_fallback = 0x4610; - break; - case 0x4710 ... 0x4715: - chipid_fallback = 0x4710; - break; - case 0x4320 ... 0x4325: - chipid_fallback = 0x4309; - break; - case PCI_DEVICE_ID_BCM4401: - case PCI_DEVICE_ID_BCM4401B0: - case PCI_DEVICE_ID_BCM4401B1: - chipid_fallback = 0x4401; - break; - default: - ssb_printk(KERN_ERR PFX - "PCI-ID not in fallback list\n"); - } - - return chipid_fallback; -} - -static u8 chipid_to_nrcores(u16 chipid) -{ - switch (chipid) { - case 0x5365: - return 7; - case 0x4306: - return 6; - case 0x4310: - return 8; - case 0x4307: - case 0x4301: - return 5; - case 0x4401: - case 0x4402: - return 3; - case 0x4710: - case 0x4610: - case 0x4704: - return 9; - default: - ssb_printk(KERN_ERR PFX - "CHIPID not in nrcores fallback list\n"); - } - - return 1; -} - -static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, - u16 offset) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - offset += current_coreidx * SSB_CORE_SIZE; - break; - case SSB_BUSTYPE_PCI: - break; - case SSB_BUSTYPE_PCMCIA: - if (offset >= 0x800) { - ssb_pcmcia_switch_segment(bus, 1); - offset -= 0x800; - } else - ssb_pcmcia_switch_segment(bus, 0); - break; - } - return readl(bus->mmio + offset); -} - -static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - break; - case SSB_BUSTYPE_PCI: - return ssb_pci_switch_coreidx(bus, coreidx); - case SSB_BUSTYPE_PCMCIA: - return ssb_pcmcia_switch_coreidx(bus, coreidx); - } - return 0; -} - -void ssb_iounmap(struct ssb_bus *bus) -{ - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - case SSB_BUSTYPE_PCMCIA: - iounmap(bus->mmio); - break; - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - pci_iounmap(bus->host_pci, bus->mmio); -#else - assert(0); /* Can't reach this code. */ -#endif - break; - } - bus->mmio = NULL; - bus->mapped_device = NULL; -} - -static void __iomem * ssb_ioremap(struct ssb_bus *bus, - unsigned long baseaddr) -{ - void __iomem *mmio = NULL; - - switch (bus->bustype) { - case SSB_BUSTYPE_SSB: - /* Only map the first core for now. */ - /* fallthrough... */ - case SSB_BUSTYPE_PCMCIA: - mmio = ioremap(baseaddr, SSB_CORE_SIZE); - break; - case SSB_BUSTYPE_PCI: -#ifdef CONFIG_SSB_PCIHOST - mmio = pci_iomap(bus->host_pci, 0, ~0UL); -#else - assert(0); /* Can't reach this code. */ -#endif - break; - } - - return mmio; -} - -static int we_support_multiple_80211_cores(struct ssb_bus *bus) -{ - /* More than one 802.11 core is only supported by special chips. - * There are chips with two 802.11 cores, but with dangling - * pins on the second core. Be careful and reject them here. - */ - -#ifdef CONFIG_SSB_PCIHOST - if (bus->bustype == SSB_BUSTYPE_PCI) { - if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM && - bus->host_pci->device == 0x4324) - return 1; - } -#endif /* CONFIG_SSB_PCIHOST */ - return 0; -} - -int ssb_bus_scan(struct ssb_bus *bus, - unsigned long baseaddr) -{ - int err = -ENOMEM; - void __iomem *mmio; - u32 idhi, cc, rev, tmp; - int dev_i, i; - struct ssb_device *dev; - int nr_80211_cores = 0; - - mmio = ssb_ioremap(bus, baseaddr); - if (!mmio) - goto out; - bus->mmio = mmio; - - err = scan_switchcore(bus, 0); /* Switch to first core */ - if (err) - goto err_unmap; - - idhi = scan_read32(bus, 0, SSB_IDHIGH); - cc = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; - rev = (idhi & SSB_IDHIGH_RCLO); - rev |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; - - bus->nr_devices = 0; - if (cc == SSB_DEV_CHIPCOMMON) { - tmp = scan_read32(bus, 0, SSB_CHIPCO_CHIPID); - - bus->chip_id = (tmp & SSB_CHIPCO_IDMASK); - bus->chip_rev = (tmp & SSB_CHIPCO_REVMASK) >> - SSB_CHIPCO_REVSHIFT; - bus->chip_package = (tmp & SSB_CHIPCO_PACKMASK) >> - SSB_CHIPCO_PACKSHIFT; - if (rev >= 4) { - bus->nr_devices = (tmp & SSB_CHIPCO_NRCORESMASK) >> - SSB_CHIPCO_NRCORESSHIFT; - } - tmp = scan_read32(bus, 0, SSB_CHIPCO_CAP); - bus->chipco.capabilities = tmp; - } else { - if (bus->bustype == SSB_BUSTYPE_PCI) { - bus->chip_id = pcidev_to_chipid(bus->host_pci); - pci_read_config_word(bus->host_pci, PCI_REVISION_ID, - &bus->chip_rev); - bus->chip_package = 0; - } else { - bus->chip_id = 0x4710; - bus->chip_rev = 0; - bus->chip_package = 0; - } - } - if (!bus->nr_devices) - bus->nr_devices = chipid_to_nrcores(bus->chip_id); - if (bus->nr_devices > ARRAY_SIZE(bus->devices)) { - ssb_printk(KERN_ERR PFX - "More than %d ssb cores found (%d)\n", - SSB_MAX_NR_CORES, bus->nr_devices); - goto err_unmap; - } - if (bus->bustype == SSB_BUSTYPE_SSB) { - /* Now that we know the number of cores, - * remap the whole IO space for all cores. - */ - err = -ENOMEM; - iounmap(mmio); - mmio = ioremap(baseaddr, SSB_CORE_SIZE * bus->nr_devices); - if (!mmio) - goto out; - bus->mmio = mmio; - } - - /* Fetch basic information about each core/device */ - for (i = 0, dev_i = 0; i < bus->nr_devices; i++) { - err = scan_switchcore(bus, i); - if (err) - goto err_unmap; - dev = &(bus->devices[dev_i]); - - idhi = scan_read32(bus, i, SSB_IDHIGH); - dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; - dev->id.revision = (idhi & SSB_IDHIGH_RCLO); - dev->id.revision |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; - dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT; - dev->core_index = i; - dev->bus = bus; - dev->ops = bus->ops; - - ssb_dprintk(KERN_INFO PFX - "Core %d found: %s " - "(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n", - i, ssb_core_name(dev->id.coreid), - dev->id.coreid, dev->id.revision, dev->id.vendor); - - switch (dev->id.coreid) { - case SSB_DEV_80211: - nr_80211_cores++; - if (nr_80211_cores > 1) { - if (!we_support_multiple_80211_cores(bus)) { - ssb_dprintk(KERN_INFO PFX "Ignoring additional " - "802.11 core\n"); - continue; - } - } - break; - case SSB_DEV_EXTIF: -#ifdef CONFIG_SSB_DRIVER_EXTIF - if (bus->extif.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple EXTIFs found\n"); - break; - } - bus->extif.dev = dev; -#endif /* CONFIG_SSB_DRIVER_EXTIF */ - break; - case SSB_DEV_CHIPCOMMON: - if (bus->chipco.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple ChipCommon found\n"); - break; - } - bus->chipco.dev = dev; - break; - case SSB_DEV_MIPS: - case SSB_DEV_MIPS_3302: -#ifdef CONFIG_SSB_DRIVER_MIPS - if (bus->mipscore.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple MIPS cores found\n"); - break; - } - bus->mipscore.dev = dev; -#endif /* CONFIG_SSB_DRIVER_MIPS */ - break; - case SSB_DEV_PCI: - case SSB_DEV_PCIE: -#ifdef CONFIG_SSB_DRIVER_PCICORE - if (bus->pcicore.dev) { - ssb_printk(KERN_WARNING PFX - "WARNING: Multiple PCI(E) cores found\n"); - break; - } - bus->pcicore.dev = dev; -#endif /* CONFIG_SSB_DRIVER_PCICORE */ - break; - default: - break; - } - - dev_i++; - } - bus->nr_devices = dev_i; - - err = 0; -out: - return err; -err_unmap: - ssb_iounmap(bus); - goto out; -} diff --git a/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h b/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h deleted file mode 100644 index d00d186074..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/ssb/ssb_private.h +++ /dev/null @@ -1,137 +0,0 @@ -#ifndef LINUX_SSB_PRIVATE_H_ -#define LINUX_SSB_PRIVATE_H_ - -#include -#include -#include - - -#define PFX "ssb: " - -#ifdef CONFIG_SSB_SILENT -# define ssb_printk(fmt, x...) do { /* nothing */ } while (0) -#else -# define ssb_printk printk -#endif /* CONFIG_SSB_SILENT */ - -/* dprintk: Debugging printk; vanishes for non-debug compilation */ -#ifdef CONFIG_SSB_DEBUG -# define ssb_dprintk(fmt, x...) ssb_printk(fmt ,##x) -#else -# define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0) -#endif - -/* printkl: Rate limited printk */ -#define ssb_printkl(fmt, x...) do { \ - if (printk_ratelimit()) \ - ssb_printk(fmt ,##x); \ - } while (0) - -/* dprintkl: Rate limited debugging printk */ -#ifdef CONFIG_SSB_DEBUG -# define ssb_dprintkl ssb_printkl -#else -# define ssb_dprintkl(fmt, x...) do { /* nothing */ } while (0) -#endif - -#define assert(cond) do { \ - if (unlikely(!(cond))) { \ - ssb_dprintk(KERN_ERR PFX "BUG: Assertion failed (%s) " \ - "at: %s:%d:%s()\n", \ - #cond, __FILE__, __LINE__, __func__); \ - } \ - } while (0) - - -/* pci.c */ -#ifdef CONFIG_SSB_PCIHOST -extern int ssb_pci_switch_core(struct ssb_bus *bus, - struct ssb_device *dev); -extern int ssb_pci_switch_coreidx(struct ssb_bus *bus, - u8 coreidx); -extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what, - int turn_on); -extern int ssb_pci_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv); -extern void ssb_pci_exit(struct ssb_bus *bus); -extern int ssb_pci_init(struct ssb_bus *bus); -extern const struct ssb_bus_ops ssb_pci_ops; - -#else /* CONFIG_SSB_PCIHOST */ - -static inline int ssb_pci_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - return 0; -} -static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus, - u8 coreidx) -{ - return 0; -} -static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what, - int turn_on) -{ - return 0; -} -static inline void ssb_pci_exit(struct ssb_bus *bus) -{ -} -static inline int ssb_pci_init(struct ssb_bus *bus) -{ - return 0; -} -#endif /* CONFIG_SSB_PCIHOST */ - - -/* pcmcia.c */ -#ifdef CONFIG_SSB_PCMCIAHOST -extern int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev); -extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, - u8 coreidx); -extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus, - u8 seg); -extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus, - struct ssb_init_invariants *iv); -extern int ssb_pcmcia_init(struct ssb_bus *bus); -extern const struct ssb_bus_ops ssb_pcmcia_ops; -#else /* CONFIG_SSB_PCMCIAHOST */ -static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus, - struct ssb_device *dev) -{ - return 0; -} -static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, - u8 coreidx) -{ - return 0; -} -static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus, - u8 seg) -{ - return 0; -} -static inline int ssb_pcmcia_init(struct ssb_bus *bus) -{ - return 0; -} -#endif /* CONFIG_SSB_PCMCIAHOST */ - - -/* scan.c */ -extern const char * ssb_core_name(u16 coreid); -extern int ssb_bus_scan(struct ssb_bus *bus, - unsigned long baseaddr); -extern void ssb_iounmap(struct ssb_bus *ssb); - - -/* core.c */ -extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m); -#ifdef CONFIG_SSB_PCIHOST -extern int ssb_devices_freeze(struct ssb_bus *bus); -extern int ssb_devices_thaw(struct ssb_bus *bus); -extern struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev); -#endif /* CONFIG_SSB_PCIHOST */ - -#endif /* LINUX_SSB_PRIVATE_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c b/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c deleted file mode 100644 index 2b3ef36b14..0000000000 --- a/target/linux/brcm47xx-2.6/files/drivers/usb/host/ohci-ssb.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * Sonics Silicon Backplane - * Broadcom USB-core OHCI driver - * - * Copyright 2007 Michael Buesch - * - * Derived from the OHCI-PCI driver - * Copyright 1999 Roman Weissgaerber - * Copyright 2000-2002 David Brownell - * Copyright 1999 Linus Torvalds - * Copyright 1999 Gregory P. Smith - * - * Derived from the USBcore related parts of Broadcom-SB - * Copyright 2005 Broadcom Corporation - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include - - -#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29) - -struct ssb_ohci_device { - struct ohci_hcd ohci; /* _must_ be at the beginning. */ - - u32 enable_flags; -}; - - -static inline -struct ssb_ohci_device * hcd_to_ssb_ohci(struct usb_hcd *hcd) -{ - return (struct ssb_ohci_device *)(hcd->hcd_priv); -} - - -static const struct ssb_device_id ssb_ohci_table[] = { - SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV), - SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV), - SSB_DEVTABLE_END -}; -MODULE_DEVICE_TABLE(ssb, ssb_ohci_table); - - -static int ssb_ohci_reset(struct usb_hcd *hcd) -{ - struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); - struct ohci_hcd *ohci = &ohcidev->ohci; - int err; - - ohci_hcd_init(ohci); - err = ohci_init(ohci); - - return err; -} - -static int ssb_ohci_start(struct usb_hcd *hcd) -{ - struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); - struct ohci_hcd *ohci = &ohcidev->ohci; - int err; - - err = ohci_run(ohci); - if (err < 0) { - ohci_err(ohci, "can't start\n"); - ohci_stop(hcd); - } - - return err; -} - -#ifdef CONFIG_PM -static int ssb_ohci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message) -{ - struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); - struct ohci_hcd *ohci = &ohcidev->ohci; - unsigned long flags; - - spin_lock_irqsave(&ohci->lock, flags); - - ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - ohci_readl(ohci, &ohci->regs->intrdisable); /* commit write */ - - /* make sure snapshot being resumed re-enumerates everything */ - if (message.event == PM_EVENT_PRETHAW) - ohci_usb_reset(ohci); - - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - - spin_unlock_irqrestore(&ohci->lock, flags); - - return 0; -} - -static int ssb_ohci_hcd_resume(struct usb_hcd *hcd) -{ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - usb_hcd_resume_root_hub(hcd); - return 0; -} -#endif /* CONFIG_PM */ - -static const struct hc_driver ssb_ohci_hc_driver = { - .description = "ssb-usb-ohci", - .product_desc = "SSB OHCI Controller", - .hcd_priv_size = sizeof(struct ssb_ohci_device), - - .irq = ohci_irq, - .flags = HCD_MEMORY | HCD_USB11, - - .reset = ssb_ohci_reset, - .start = ssb_ohci_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - -#ifdef CONFIG_PM - .suspend = ssb_ohci_hcd_suspend, - .resume = ssb_ohci_hcd_resume, -#endif - - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - .get_frame_number = ohci_get_frame, - - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, - .hub_irq_enable = ohci_rhsc_enable, - -#ifdef CONFIG_PM - .bus_suspend = ohci_bus_suspend, - .bus_resume = ohci_bus_resume, -#endif - - .start_port_reset = ohci_start_port_reset, -}; - - -static void ssb_ohci_detach(struct ssb_device *dev) -{ - struct usb_hcd *hcd = ssb_get_drvdata(dev); - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - usb_put_hcd(hcd); - ssb_device_disable(dev, 0); -} - -static int ssb_ohci_attach(struct ssb_device *dev) -{ - struct ssb_ohci_device *ohcidev; - struct usb_hcd *hcd; - int err = -ENOMEM; - u32 tmp, flags = 0; - - if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) - flags |= SSB_OHCI_TMSLOW_HOSTMODE; - - ssb_device_enable(dev, flags); - - hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, - dev->dev->bus_id); - if (!hcd) - goto err_dev_disable; - ohcidev = hcd_to_ssb_ohci(hcd); - ohcidev->enable_flags = flags; - - tmp = ssb_read32(dev, SSB_ADMATCH0); - hcd->rsrc_start = ssb_admatch_base(tmp); - hcd->rsrc_len = ssb_admatch_size(tmp); - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) - goto err_put_hcd; - err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED); - if (err) - goto err_iounmap; - - ssb_set_drvdata(dev, hcd); - - return err; - -err_iounmap: - iounmap(hcd->regs); -err_put_hcd: - usb_put_hcd(hcd); -err_dev_disable: - ssb_device_disable(dev, flags); - return err; -} - -static int ssb_ohci_probe(struct ssb_device *dev, - const struct ssb_device_id *id) -{ - int err; - u16 chipid_top; - - chipid_top = (dev->bus->chip_id & 0xFF00); - if (chipid_top != 0x4700 && - chipid_top != 0x5300) { - /* USBcores are only connected on embedded devices. */ - return -ENODEV; - } - /* TODO: Probably need more checks here whether the core is connected. */ - - if (usb_disabled()) - return -ENODEV; - - /* We currently always attach SSB_DEV_USB11_HOSTDEV - * as HOST OHCI. If we want to attach it as Client device, - * we must branch here and call into the (yet to - * be written) Client mode driver. Same for remove(). */ - - err = ssb_ohci_attach(dev); - - return err; -} - -static void ssb_ohci_remove(struct ssb_device *dev) -{ - ssb_ohci_detach(dev); -} - -#ifdef CONFIG_PM -static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state) -{ - ssb_device_disable(dev, 0); - - return 0; -} - -static int ssb_ohci_resume(struct ssb_device *dev) -{ - struct usb_hcd *hcd = ssb_get_drvdata(dev); - struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); - - ssb_device_enable(dev, ohcidev->enable_flags); - - return 0; -} -#else /* CONFIG_PM */ -# define ssb_ohci_suspend NULL -# define ssb_ohci_resume NULL -#endif /* CONFIG_PM */ - -static struct ssb_driver ssb_ohci_driver = { - .name = KBUILD_MODNAME, - .id_table = ssb_ohci_table, - .probe = ssb_ohci_probe, - .remove = ssb_ohci_remove, - .suspend = ssb_ohci_suspend, - .resume = ssb_ohci_resume, -}; diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h deleted file mode 100644 index a3d1f5114b..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb.h +++ /dev/null @@ -1,422 +0,0 @@ -#ifndef LINUX_SSB_H_ -#define LINUX_SSB_H_ -#ifdef __KERNEL__ - -#include -#include -#include -#include -#ifdef CONFIG_SSB_PCIHOST -# include -#endif - -#include - - -struct pcmcia_device; -struct ssb_bus; -struct ssb_driver; - - -struct ssb_sprom_r1 { - u16 pci_spid; /* Subsystem Product ID for PCI */ - u16 pci_svid; /* Subsystem Vendor ID for PCI */ - u16 pci_pid; /* Product ID for PCI */ - u8 il0mac[6]; /* MAC address for 802.11b/g */ - u8 et0mac[6]; /* MAC address for Ethernet */ - u8 et1mac[6]; /* MAC address for 802.11a */ - u8 et0phyaddr:5; /* MII address for enet0 */ - u8 et1phyaddr:5; /* MII address for enet1 */ - u8 et0mdcport:1; /* MDIO for enet0 */ - u8 et1mdcport:1; /* MDIO for enet1 */ - u8 board_rev; /* Board revision */ - u8 country_code:4; /* Country Code */ - u8 antenna_a:2; /* Antenna 0/1 available for A-PHY */ - u8 antenna_bg:2; /* Antenna 0/1 available for B-PHY and G-PHY */ - u16 pa0b0; - u16 pa0b1; - u16 pa0b2; - u16 pa1b0; - u16 pa1b1; - u16 pa1b2; - u8 gpio0; /* GPIO pin 0 */ - u8 gpio1; /* GPIO pin 1 */ - u8 gpio2; /* GPIO pin 2 */ - u8 gpio3; /* GPIO pin 3 */ - u16 maxpwr_a; /* A-PHY Power Amplifier Max Power (in dBm Q5.2) */ - u16 maxpwr_bg; /* B/G-PHY Power Amplifier Max Power (in dBm Q5.2) */ - u8 itssi_a; /* Idle TSSI Target for A-PHY */ - u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */ - u16 boardflags_lo; /* Boardflags (low 16 bits) */ - u8 antenna_gain_a; /* A-PHY Antenna gain (in dBm Q5.2) */ - u8 antenna_gain_bg; /* B/G-PHY Antenna gain (in dBm Q5.2) */ - u8 oem[8]; /* OEM string (rev 1 only) */ -}; - -struct ssb_sprom_r2 { - u16 boardflags_hi; /* Boardflags (high 16 bits) */ - u8 maxpwr_a_lo; /* A-PHY Max Power Low */ - u8 maxpwr_a_hi; /* A-PHY Max Power High */ - u16 pa1lob0; /* A-PHY PA Low Settings */ - u16 pa1lob1; /* A-PHY PA Low Settings */ - u16 pa1lob2; /* A-PHY PA Low Settings */ - u16 pa1hib0; /* A-PHY PA High Settings */ - u16 pa1hib1; /* A-PHY PA High Settings */ - u16 pa1hib2; /* A-PHY PA High Settings */ - u8 ofdm_pwr_off; /* OFDM Power Offset from CCK Level */ - u8 country_str[2]; /* Two char Country Code */ -}; - -struct ssb_sprom_r3 { - u32 ofdmapo; /* A-PHY OFDM Mid Power Offset */ - u32 ofdmalpo; /* A-PHY OFDM Low Power Offset */ - u32 ofdmahpo; /* A-PHY OFDM High Power Offset */ - u8 gpioldc_on_cnt; /* GPIO LED Powersave Duty Cycle ON count */ - u8 gpioldc_off_cnt; /* GPIO LED Powersave Duty Cycle OFF count */ - u8 cckpo_1M:4; /* CCK Power Offset for Rate 1M */ - u8 cckpo_2M:4; /* CCK Power Offset for Rate 2M */ - u8 cckpo_55M:4; /* CCK Power Offset for Rate 5.5M */ - u8 cckpo_11M:4; /* CCK Power Offset for Rate 11M */ - u32 ofdmgpo; /* G-PHY OFDM Power Offset */ -}; - -struct ssb_sprom_r4 { - /* TODO */ -}; - -struct ssb_sprom { - u8 revision; - u8 crc; - /* The valid r# fields are selected by the "revision". - * Revision 3 and lower inherit from lower revisions. - */ - union { - struct { - struct ssb_sprom_r1 r1; - struct ssb_sprom_r2 r2; - struct ssb_sprom_r3 r3; - }; - struct ssb_sprom_r4 r4; - }; -}; - -/* Information about the PCB the circuitry is soldered on. */ -struct ssb_boardinfo { - u16 vendor; - u16 type; - u16 rev; -}; - - -struct ssb_device; -/* Lowlevel read/write operations on the device MMIO. - * Internal, don't use that outside of ssb. */ -struct ssb_bus_ops { - u16 (*read16)(struct ssb_device *dev, u16 offset); - u32 (*read32)(struct ssb_device *dev, u16 offset); - void (*write16)(struct ssb_device *dev, u16 offset, u16 value); - void (*write32)(struct ssb_device *dev, u16 offset, u32 value); -}; - - -/* Core-ID values. */ -#define SSB_DEV_CHIPCOMMON 0x800 -#define SSB_DEV_ILINE20 0x801 -#define SSB_DEV_SDRAM 0x803 -#define SSB_DEV_PCI 0x804 -#define SSB_DEV_MIPS 0x805 -#define SSB_DEV_ETHERNET 0x806 -#define SSB_DEV_V90 0x807 -#define SSB_DEV_USB11_HOSTDEV 0x808 -#define SSB_DEV_ADSL 0x809 -#define SSB_DEV_ILINE100 0x80A -#define SSB_DEV_IPSEC 0x80B -#define SSB_DEV_PCMCIA 0x80D -#define SSB_DEV_INTERNAL_MEM 0x80E -#define SSB_DEV_MEMC_SDRAM 0x80F -#define SSB_DEV_EXTIF 0x811 -#define SSB_DEV_80211 0x812 -#define SSB_DEV_MIPS_3302 0x816 -#define SSB_DEV_USB11_HOST 0x817 -#define SSB_DEV_USB11_DEV 0x818 -#define SSB_DEV_USB20_HOST 0x819 -#define SSB_DEV_USB20_DEV 0x81A -#define SSB_DEV_SDIO_HOST 0x81B -#define SSB_DEV_ROBOSWITCH 0x81C -#define SSB_DEV_PARA_ATA 0x81D -#define SSB_DEV_SATA_XORDMA 0x81E -#define SSB_DEV_ETHERNET_GBIT 0x81F -#define SSB_DEV_PCIE 0x820 -#define SSB_DEV_MIMO_PHY 0x821 -#define SSB_DEV_SRAM_CTRLR 0x822 -#define SSB_DEV_MINI_MACPHY 0x823 -#define SSB_DEV_ARM_1176 0x824 -#define SSB_DEV_ARM_7TDMI 0x825 - -/* Vendor-ID values */ -#define SSB_VENDOR_BROADCOM 0x4243 - -struct ssb_device_id { - u16 vendor; - u16 coreid; - u8 revision; -}; -#define SSB_DEVICE(_vendor, _coreid, _revision) \ - { .vendor = _vendor, .coreid = _coreid, .revision = _revision, } -#define SSB_DEVTABLE_END \ - { 0, }, - -#define SSB_ANY_VENDOR 0xFFFF -#define SSB_ANY_ID 0xFFFF -#define SSB_ANY_REV 0xFF - -/* Some kernel subsystems poke with dev->drvdata, so we must use the - * following ugly workaround to get from struct device to struct ssb_device */ -struct __ssb_dev_wrapper { - struct device dev; - struct ssb_device *sdev; -}; - -struct ssb_device { - /* Having a copy of the ops pointer in each dev struct - * is an optimization. */ - const struct ssb_bus_ops *ops; - - struct device *dev; - struct ssb_bus *bus; - struct ssb_device_id id; - - u8 core_index; - unsigned int irq; - - /* Internal-only stuff follows. */ - void *drvdata; /* Per-device data */ - void *devtypedata; /* Per-devicetype (eg 802.11) data */ -}; - -/* Go from struct device to struct ssb_device. */ -static inline -struct ssb_device * dev_to_ssb_dev(struct device *dev) -{ - struct __ssb_dev_wrapper *wrap = container_of(dev, struct __ssb_dev_wrapper, dev); - return wrap->sdev; -} - -/* Device specific user data */ -static inline -void ssb_set_drvdata(struct ssb_device *dev, void *data) -{ - dev->drvdata = data; -} -static inline -void * ssb_get_drvdata(struct ssb_device *dev) -{ - return dev->drvdata; -} - -/* Devicetype specific user data. This is per device-type (not per device) */ -void ssb_set_devtypedata(struct ssb_device *dev, void *data); -static inline -void * ssb_get_devtypedata(struct ssb_device *dev) -{ - return dev->devtypedata; -} - - -struct ssb_driver { - const char *name; - const struct ssb_device_id *id_table; - - int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id); - void (*remove)(struct ssb_device *dev); - int (*suspend)(struct ssb_device *dev, pm_message_t state); - int (*resume)(struct ssb_device *dev); - void (*shutdown)(struct ssb_device *dev); - - struct device_driver drv; -}; -#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv) - -extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner); -static inline int ssb_driver_register(struct ssb_driver *drv) -{ - return __ssb_driver_register(drv, THIS_MODULE); -} -extern void ssb_driver_unregister(struct ssb_driver *drv); - - - - -enum ssb_bustype { - SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */ - SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */ - SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */ -}; - -/* board_vendor */ -#define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */ -#define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */ -#define SSB_BOARDVENDOR_HP 0x0E11 /* HP */ -/* board_type */ -#define SSB_BOARD_BCM94306MP 0x0418 -#define SSB_BOARD_BCM4309G 0x0421 -#define SSB_BOARD_BCM4306CB 0x0417 -#define SSB_BOARD_BCM4309MP 0x040C -#define SSB_BOARD_MP4318 0x044A -#define SSB_BOARD_BU4306 0x0416 -#define SSB_BOARD_BU4309 0x040A -/* chip_package */ -#define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */ -#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */ -#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */ - -#include -#include -#include -#include - -struct ssb_bus { - /* The MMIO area. */ - void __iomem *mmio; - - const struct ssb_bus_ops *ops; - - /* The core in the basic address register window. (PCI bus only) */ - struct ssb_device *mapped_device; - /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */ - u8 mapped_pcmcia_seg; - /* Lock for core and segment switching. */ - spinlock_t bar_lock; - - /* The bus this backplane is running on. */ - enum ssb_bustype bustype; - /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */ - struct pci_dev *host_pci; - /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */ - struct pcmcia_device *host_pcmcia; - -#ifdef CONFIG_SSB_PCIHOST - struct mutex pci_sprom_mutex; -#endif - - /* ID information about the Chip. */ - u16 chip_id; - u16 chip_rev; - u8 chip_package; - - /* List of devices (cores) on the backplane. */ - struct ssb_device devices[SSB_MAX_NR_CORES]; - u8 nr_devices; - - /* Reference count. Number of suspended devices. */ - u8 suspend_cnt; - - /* Software ID number for this bus. */ - unsigned int busnumber; - - /* The ChipCommon device (if available). */ - struct ssb_chipcommon chipco; - /* The PCI-core device (if available). */ - struct ssb_pcicore pcicore; - /* The MIPS-core device (if available). */ - struct ssb_mipscore mipscore; - /* The EXTif-core device (if available). */ - struct ssb_extif extif; - - /* The following structure elements are not available in early - * SSB initialization. Though, they are available for regular - * registered drivers at any stage. So be careful when - * using them in the ssb core code. */ - - /* ID information about the PCB. */ - struct ssb_boardinfo boardinfo; - /* Contents of the SPROM. */ - struct ssb_sprom sprom; - - /* Internal. */ - struct list_head list; -}; - -/* The initialization-invariants. */ -struct ssb_init_invariants { - struct ssb_boardinfo boardinfo; - struct ssb_sprom sprom; -}; - -/* Register a SSB system bus. get_invariants() is called after the - * basic system devices are initialized. - * The invariants are usually fetched from some NVRAM. - * Put the invariants into the struct pointed to by iv. */ -extern int ssb_bus_ssbbus_register(struct ssb_bus *bus, - unsigned long baseaddr, - int (*get_invariants)(struct ssb_bus *bus, - struct ssb_init_invariants *iv)); -#ifdef CONFIG_SSB_PCIHOST -extern int ssb_bus_pcibus_register(struct ssb_bus *bus, - struct pci_dev *host_pci); -#endif /* CONFIG_SSB_PCIHOST */ -#ifdef CONFIG_SSB_PCMCIAHOST -extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus, - struct pcmcia_device *pcmcia_dev, - unsigned long baseaddr); -#endif /* CONFIG_SSB_PCMCIAHOST */ - -extern void ssb_bus_unregister(struct ssb_bus *bus); - -extern u32 ssb_clockspeed(struct ssb_bus *bus); - -int ssb_device_is_enabled(struct ssb_device *dev); -void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags); -void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags); - - -/* Device MMIO register read/write functions. */ -static inline u16 ssb_read16(struct ssb_device *dev, u16 offset) -{ - return dev->ops->read16(dev, offset); -} -static inline u32 ssb_read32(struct ssb_device *dev, u16 offset) -{ - return dev->ops->read32(dev, offset); -} -static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value) -{ - dev->ops->write16(dev, offset, value); -} -static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value) -{ - dev->ops->write32(dev, offset, value); -} - - -/* Translation (routing) bits that need to be ORed to DMA - * addresses before they are given to a device. */ -extern u32 ssb_dma_translation(struct ssb_device *dev); -#define SSB_DMA_TRANSLATION_MASK 0xC0000000 -#define SSB_DMA_TRANSLATION_SHIFT 30 - -extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask); - - -#ifdef CONFIG_SSB_PCIHOST -/* PCI-host wrapper driver */ -extern int ssb_pcihost_register(struct pci_driver *driver); -static inline void ssb_pcihost_unregister(struct pci_driver *driver) -{ - pci_unregister_driver(driver); -} -#endif /* CONFIG_SSB_PCIHOST */ - - -/* Bus-Power handling functions. */ -extern int ssb_bus_may_powerdown(struct ssb_bus *bus); -extern int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl); - - -/* Various helper functions */ -extern u32 ssb_admatch_base(u32 adm); -extern u32 ssb_admatch_size(u32 adm); - - -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h deleted file mode 100644 index 8856590230..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h +++ /dev/null @@ -1,387 +0,0 @@ -#ifndef LINUX_SSB_CHIPCO_H_ -#define LINUX_SSB_CHIPCO_H_ - -/* SonicsSiliconBackplane CHIPCOMMON core hardware definitions - * - * The chipcommon core provides chip identification, SB control, - * jtag, 0/1/2 uarts, clock frequency control, a watchdog interrupt timer, - * gpio interface, extbus, and support for serial and parallel flashes. - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, Michael Buesch - * - * Licensed under the GPL version 2. See COPYING for details. - */ -#ifdef __KERNEL__ - -/** ChipCommon core registers. **/ - -#define SSB_CHIPCO_CHIPID 0x0000 -#define SSB_CHIPCO_IDMASK 0x0000FFFF -#define SSB_CHIPCO_REVMASK 0x000F0000 -#define SSB_CHIPCO_REVSHIFT 16 -#define SSB_CHIPCO_PACKMASK 0x00F00000 -#define SSB_CHIPCO_PACKSHIFT 20 -#define SSB_CHIPCO_NRCORESMASK 0x0F000000 -#define SSB_CHIPCO_NRCORESSHIFT 24 -#define SSB_CHIPCO_CAP 0x0004 /* Capabilities */ -#define SSB_CHIPCO_CAP_NRUART 0x00000003 /* # of UARTs */ -#define SSB_CHIPCO_CAP_MIPSEB 0x00000004 /* MIPS in BigEndian Mode */ -#define SSB_CHIPCO_CAP_UARTCLK 0x00000018 /* UART clock select */ -#define SSB_CHIPCO_CAP_UARTCLK_INT 0x00000008 /* UARTs are driven by internal divided clock */ -#define SSB_CHIPCO_CAP_UARTGPIO 0x00000020 /* UARTs on GPIO 15-12 */ -#define SSB_CHIPCO_CAP_EXTBUS 0x000000C0 /* External buses present */ -#define SSB_CHIPCO_CAP_FLASHT 0x00000700 /* Flash Type */ -#define SSB_CHIPCO_FLASHT_NONE 0x00000000 /* No flash */ -#define SSB_CHIPCO_FLASHT_STSER 0x00000100 /* ST serial flash */ -#define SSB_CHIPCO_FLASHT_ATSER 0x00000200 /* Atmel serial flash */ -#define SSB_CHIPCO_FLASHT_PARA 0x00000700 /* Parallel flash */ -#define SSB_CHIPCO_CAP_PLLT 0x00038000 /* PLL Type */ -#define SSB_PLLTYPE_NONE 0x00000000 -#define SSB_PLLTYPE_1 0x00010000 /* 48Mhz base, 3 dividers */ -#define SSB_PLLTYPE_2 0x00020000 /* 48Mhz, 4 dividers */ -#define SSB_PLLTYPE_3 0x00030000 /* 25Mhz, 2 dividers */ -#define SSB_PLLTYPE_4 0x00008000 /* 48Mhz, 4 dividers */ -#define SSB_PLLTYPE_5 0x00018000 /* 25Mhz, 4 dividers */ -#define SSB_PLLTYPE_6 0x00028000 /* 100/200 or 120/240 only */ -#define SSB_PLLTYPE_7 0x00038000 /* 25Mhz, 4 dividers */ -#define SSB_CHIPCO_CAP_PCTL 0x00040000 /* Power Control */ -#define SSB_CHIPCO_CAP_OTPS 0x00380000 /* OTP size */ -#define SSB_CHIPCO_CAP_OTPS_SHIFT 19 -#define SSB_CHIPCO_CAP_OTPS_BASE 5 -#define SSB_CHIPCO_CAP_JTAGM 0x00400000 /* JTAG master present */ -#define SSB_CHIPCO_CAP_BROM 0x00800000 /* Internal boot ROM active */ -#define SSB_CHIPCO_CAP_64BIT 0x08000000 /* 64-bit Backplane */ -#define SSB_CHIPCO_CORECTL 0x0008 -#define SSB_CHIPCO_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */ -#define SSB_CHIPCO_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ -#define SSB_CHIPCO_BIST 0x000C -#define SSB_CHIPCO_OTPS 0x0010 /* OTP status */ -#define SSB_CHIPCO_OTPS_PROGFAIL 0x80000000 -#define SSB_CHIPCO_OTPS_PROTECT 0x00000007 -#define SSB_CHIPCO_OTPS_HW_PROTECT 0x00000001 -#define SSB_CHIPCO_OTPS_SW_PROTECT 0x00000002 -#define SSB_CHIPCO_OTPS_CID_PROTECT 0x00000004 -#define SSB_CHIPCO_OTPC 0x0014 /* OTP control */ -#define SSB_CHIPCO_OTPC_RECWAIT 0xFF000000 -#define SSB_CHIPCO_OTPC_PROGWAIT 0x00FFFF00 -#define SSB_CHIPCO_OTPC_PRW_SHIFT 8 -#define SSB_CHIPCO_OTPC_MAXFAIL 0x00000038 -#define SSB_CHIPCO_OTPC_VSEL 0x00000006 -#define SSB_CHIPCO_OTPC_SELVL 0x00000001 -#define SSB_CHIPCO_OTPP 0x0018 /* OTP prog */ -#define SSB_CHIPCO_OTPP_COL 0x000000FF -#define SSB_CHIPCO_OTPP_ROW 0x0000FF00 -#define SSB_CHIPCO_OTPP_ROW_SHIFT 8 -#define SSB_CHIPCO_OTPP_READERR 0x10000000 -#define SSB_CHIPCO_OTPP_VALUE 0x20000000 -#define SSB_CHIPCO_OTPP_READ 0x40000000 -#define SSB_CHIPCO_OTPP_START 0x80000000 -#define SSB_CHIPCO_OTPP_BUSY 0x80000000 -#define SSB_CHIPCO_IRQSTAT 0x0020 -#define SSB_CHIPCO_IRQMASK 0x0024 -#define SSB_CHIPCO_IRQ_GPIO 0x00000001 /* gpio intr */ -#define SSB_CHIPCO_IRQ_EXT 0x00000002 /* ro: ext intr pin (corerev >= 3) */ -#define SSB_CHIPCO_IRQ_WDRESET 0x80000000 /* watchdog reset occurred */ -#define SSB_CHIPCO_CHIPCTL 0x0028 /* Rev >= 11 only */ -#define SSB_CHIPCO_CHIPSTAT 0x002C /* Rev >= 11 only */ -#define SSB_CHIPCO_JCMD 0x0030 /* Rev >= 10 only */ -#define SSB_CHIPCO_JCMD_START 0x80000000 -#define SSB_CHIPCO_JCMD_BUSY 0x80000000 -#define SSB_CHIPCO_JCMD_PAUSE 0x40000000 -#define SSB_CHIPCO_JCMD0_ACC_MASK 0x0000F000 -#define SSB_CHIPCO_JCMD0_ACC_IRDR 0x00000000 -#define SSB_CHIPCO_JCMD0_ACC_DR 0x00001000 -#define SSB_CHIPCO_JCMD0_ACC_IR 0x00002000 -#define SSB_CHIPCO_JCMD0_ACC_RESET 0x00003000 -#define SSB_CHIPCO_JCMD0_ACC_IRPDR 0x00004000 -#define SSB_CHIPCO_JCMD0_ACC_PDR 0x00005000 -#define SSB_CHIPCO_JCMD0_IRW_MASK 0x00000F00 -#define SSB_CHIPCO_JCMD_ACC_MASK 0x000F0000 /* Changes for corerev 11 */ -#define SSB_CHIPCO_JCMD_ACC_IRDR 0x00000000 -#define SSB_CHIPCO_JCMD_ACC_DR 0x00010000 -#define SSB_CHIPCO_JCMD_ACC_IR 0x00020000 -#define SSB_CHIPCO_JCMD_ACC_RESET 0x00030000 -#define SSB_CHIPCO_JCMD_ACC_IRPDR 0x00040000 -#define SSB_CHIPCO_JCMD_ACC_PDR 0x00050000 -#define SSB_CHIPCO_JCMD_IRW_MASK 0x00001F00 -#define SSB_CHIPCO_JCMD_IRW_SHIFT 8 -#define SSB_CHIPCO_JCMD_DRW_MASK 0x0000003F -#define SSB_CHIPCO_JIR 0x0034 /* Rev >= 10 only */ -#define SSB_CHIPCO_JDR 0x0038 /* Rev >= 10 only */ -#define SSB_CHIPCO_JCTL 0x003C /* Rev >= 10 only */ -#define SSB_CHIPCO_JCTL_FORCE_CLK 4 /* Force clock */ -#define SSB_CHIPCO_JCTL_EXT_EN 2 /* Enable external targets */ -#define SSB_CHIPCO_JCTL_EN 1 /* Enable Jtag master */ -#define SSB_CHIPCO_FLASHCTL 0x0040 -#define SSB_CHIPCO_FLASHCTL_START 0x80000000 -#define SSB_CHIPCO_FLASHCTL_BUSY SSB_CHIPCO_FLASHCTL_START -#define SSB_CHIPCO_FLASHADDR 0x0044 -#define SSB_CHIPCO_FLASHDATA 0x0048 -#define SSB_CHIPCO_BCAST_ADDR 0x0050 -#define SSB_CHIPCO_BCAST_DATA 0x0054 -#define SSB_CHIPCO_GPIOIN 0x0060 -#define SSB_CHIPCO_GPIOOUT 0x0064 -#define SSB_CHIPCO_GPIOOUTEN 0x0068 -#define SSB_CHIPCO_GPIOCTL 0x006C -#define SSB_CHIPCO_GPIOPOL 0x0070 -#define SSB_CHIPCO_GPIOIRQ 0x0074 -#define SSB_CHIPCO_WATCHDOG 0x0080 -#define SSB_CHIPCO_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */ -#define SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT 16 -#define SSB_CHIPCO_GPIOTOUTM 0x008C /* LED powersave (corerev >= 16) */ -#define SSB_CHIPCO_CLOCK_N 0x0090 -#define SSB_CHIPCO_CLOCK_SB 0x0094 -#define SSB_CHIPCO_CLOCK_PCI 0x0098 -#define SSB_CHIPCO_CLOCK_M2 0x009C -#define SSB_CHIPCO_CLOCK_MIPS 0x00A0 -#define SSB_CHIPCO_CLKDIV 0x00A4 /* Rev >= 3 only */ -#define SSB_CHIPCO_CLKDIV_SFLASH 0x0F000000 -#define SSB_CHIPCO_CLKDIV_SFLASH_SHIFT 24 -#define SSB_CHIPCO_CLKDIV_OTP 0x000F0000 -#define SSB_CHIPCO_CLKDIV_OTP_SHIFT 16 -#define SSB_CHIPCO_CLKDIV_JTAG 0x00000F00 -#define SSB_CHIPCO_CLKDIV_JTAG_SHIFT 8 -#define SSB_CHIPCO_CLKDIV_UART 0x000000FF -#define SSB_CHIPCO_PLLONDELAY 0x00B0 /* Rev >= 4 only */ -#define SSB_CHIPCO_FREFSELDELAY 0x00B4 /* Rev >= 4 only */ -#define SSB_CHIPCO_SLOWCLKCTL 0x00B8 /* 6 <= Rev <= 9 only */ -#define SSB_CHIPCO_SLOWCLKCTL_SRC 0x00000007 /* slow clock source mask */ -#define SSB_CHIPCO_SLOWCLKCTL_SRC_LPO 0x00000000 /* source of slow clock is LPO */ -#define SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL 0x00000001 /* source of slow clock is crystal */ -#define SSB_CHIPCO_SLOECLKCTL_SRC_PCI 0x00000002 /* source of slow clock is PCI */ -#define SSB_CHIPCO_SLOWCLKCTL_LPOFREQ 0x00000200 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */ -#define SSB_CHIPCO_SLOWCLKCTL_LPOPD 0x00000400 /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */ -#define SSB_CHIPCO_SLOWCLKCTL_FSLOW 0x00000800 /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */ -#define SSB_CHIPCO_SLOWCLKCTL_IPLL 0x00001000 /* IgnorePllOffReq, 1/0: power logic ignores/honors PLL clock disable requests from core */ -#define SSB_CHIPCO_SLOWCLKCTL_ENXTAL 0x00002000 /* XtalControlEn, 1/0: power logic does/doesn't disable crystal when appropriate */ -#define SSB_CHIPCO_SLOWCLKCTL_XTALPU 0x00004000 /* XtalPU (RO), 1/0: crystal running/disabled */ -#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV 0xFFFF0000 /* ClockDivider (SlowClk = 1/(4+divisor)) */ -#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV_SHIFT 16 -#define SSB_CHIPCO_SYSCLKCTL 0x00C0 /* Rev >= 3 only */ -#define SSB_CHIPCO_SYSCLKCTL_IDLPEN 0x00000001 /* ILPen: Enable Idle Low Power */ -#define SSB_CHIPCO_SYSCLKCTL_ALPEN 0x00000002 /* ALPen: Enable Active Low Power */ -#define SSB_CHIPCO_SYSCLKCTL_PLLEN 0x00000004 /* ForcePLLOn */ -#define SSB_CHIPCO_SYSCLKCTL_FORCEALP 0x00000008 /* Force ALP (or HT if ALPen is not set */ -#define SSB_CHIPCO_SYSCLKCTL_FORCEHT 0x00000010 /* Force HT */ -#define SSB_CHIPCO_SYSCLKCTL_CLKDIV 0xFFFF0000 /* ClkDiv (ILP = 1/(4+divisor)) */ -#define SSB_CHIPCO_SYSCLKCTL_CLKDIV_SHIFT 16 -#define SSB_CHIPCO_CLKSTSTR 0x00C4 /* Rev >= 3 only */ -#define SSB_CHIPCO_PCMCIA_CFG 0x0100 -#define SSB_CHIPCO_PCMCIA_MEMWAIT 0x0104 -#define SSB_CHIPCO_PCMCIA_ATTRWAIT 0x0108 -#define SSB_CHIPCO_PCMCIA_IOWAIT 0x010C -#define SSB_CHIPCO_IDE_CFG 0x0110 -#define SSB_CHIPCO_IDE_MEMWAIT 0x0114 -#define SSB_CHIPCO_IDE_ATTRWAIT 0x0118 -#define SSB_CHIPCO_IDE_IOWAIT 0x011C -#define SSB_CHIPCO_PROG_CFG 0x0120 -#define SSB_CHIPCO_PROG_WAITCNT 0x0124 -#define SSB_CHIPCO_FLASH_CFG 0x0128 -#define SSB_CHIPCO_FLASH_WAITCNT 0x012C -#define SSB_CHIPCO_UART0_DATA 0x0300 -#define SSB_CHIPCO_UART0_IMR 0x0304 -#define SSB_CHIPCO_UART0_FCR 0x0308 -#define SSB_CHIPCO_UART0_LCR 0x030C -#define SSB_CHIPCO_UART0_MCR 0x0310 -#define SSB_CHIPCO_UART0_LSR 0x0314 -#define SSB_CHIPCO_UART0_MSR 0x0318 -#define SSB_CHIPCO_UART0_SCRATCH 0x031C -#define SSB_CHIPCO_UART1_DATA 0x0400 -#define SSB_CHIPCO_UART1_IMR 0x0404 -#define SSB_CHIPCO_UART1_FCR 0x0408 -#define SSB_CHIPCO_UART1_LCR 0x040C -#define SSB_CHIPCO_UART1_MCR 0x0410 -#define SSB_CHIPCO_UART1_LSR 0x0414 -#define SSB_CHIPCO_UART1_MSR 0x0418 -#define SSB_CHIPCO_UART1_SCRATCH 0x041C - - - -/** Clockcontrol masks and values **/ - -/* SSB_CHIPCO_CLOCK_N */ -#define SSB_CHIPCO_CLK_N1 0x0000003F /* n1 control */ -#define SSB_CHIPCO_CLK_N2 0x00003F00 /* n2 control */ -#define SSB_CHIPCO_CLK_N2_SHIFT 8 -#define SSB_CHIPCO_CLK_PLLC 0x000F0000 /* pll control */ -#define SSB_CHIPCO_CLK_PLLC_SHIFT 16 - -/* SSB_CHIPCO_CLOCK_SB/PCI/UART */ -#define SSB_CHIPCO_CLK_M1 0x0000003F /* m1 control */ -#define SSB_CHIPCO_CLK_M2 0x00003F00 /* m2 control */ -#define SSB_CHIPCO_CLK_M2_SHIFT 8 -#define SSB_CHIPCO_CLK_M3 0x003F0000 /* m3 control */ -#define SSB_CHIPCO_CLK_M3_SHIFT 16 -#define SSB_CHIPCO_CLK_MC 0x1F000000 /* mux control */ -#define SSB_CHIPCO_CLK_MC_SHIFT 24 - -/* N3M Clock control magic field values */ -#define SSB_CHIPCO_CLK_F6_2 0x02 /* A factor of 2 in */ -#define SSB_CHIPCO_CLK_F6_3 0x03 /* 6-bit fields like */ -#define SSB_CHIPCO_CLK_F6_4 0x05 /* N1, M1 or M3 */ -#define SSB_CHIPCO_CLK_F6_5 0x09 -#define SSB_CHIPCO_CLK_F6_6 0x11 -#define SSB_CHIPCO_CLK_F6_7 0x21 - -#define SSB_CHIPCO_CLK_F5_BIAS 5 /* 5-bit fields get this added */ - -#define SSB_CHIPCO_CLK_MC_BYPASS 0x08 -#define SSB_CHIPCO_CLK_MC_M1 0x04 -#define SSB_CHIPCO_CLK_MC_M1M2 0x02 -#define SSB_CHIPCO_CLK_MC_M1M2M3 0x01 -#define SSB_CHIPCO_CLK_MC_M1M3 0x11 - -/* Type 2 Clock control magic field values */ -#define SSB_CHIPCO_CLK_T2_BIAS 2 /* n1, n2, m1 & m3 bias */ -#define SSB_CHIPCO_CLK_T2M2_BIAS 3 /* m2 bias */ - -#define SSB_CHIPCO_CLK_T2MC_M1BYP 1 -#define SSB_CHIPCO_CLK_T2MC_M2BYP 2 -#define SSB_CHIPCO_CLK_T2MC_M3BYP 4 - -/* Type 6 Clock control magic field values */ -#define SSB_CHIPCO_CLK_T6_MMASK 1 /* bits of interest in m */ -#define SSB_CHIPCO_CLK_T6_M0 120000000 /* sb clock for m = 0 */ -#define SSB_CHIPCO_CLK_T6_M1 100000000 /* sb clock for m = 1 */ -#define SSB_CHIPCO_CLK_SB2MIPS_T6(sb) (2 * (sb)) - -/* Common clock base */ -#define SSB_CHIPCO_CLK_BASE1 24000000 /* Half the clock freq */ -#define SSB_CHIPCO_CLK_BASE2 12500000 /* Alternate crystal on some PLL's */ - -/* Clock control values for 200Mhz in 5350 */ -#define SSB_CHIPCO_CLK_5350_N 0x0311 -#define SSB_CHIPCO_CLK_5350_M 0x04020009 - - -/** Bits in the config registers **/ - -#define SSB_CHIPCO_CFG_EN 0x0001 /* Enable */ -#define SSB_CHIPCO_CFG_EXTM 0x000E /* Extif Mode */ -#define SSB_CHIPCO_CFG_EXTM_ASYNC 0x0002 /* Async/Parallel flash */ -#define SSB_CHIPCO_CFG_EXTM_SYNC 0x0004 /* Synchronous */ -#define SSB_CHIPCO_CFG_EXTM_PCMCIA 0x0008 /* PCMCIA */ -#define SSB_CHIPCO_CFG_EXTM_IDE 0x000A /* IDE */ -#define SSB_CHIPCO_CFG_DS16 0x0010 /* Data size, 0=8bit, 1=16bit */ -#define SSB_CHIPCO_CFG_CLKDIV 0x0060 /* Sync: Clock divisor */ -#define SSB_CHIPCO_CFG_CLKEN 0x0080 /* Sync: Clock enable */ -#define SSB_CHIPCO_CFG_BSTRO 0x0100 /* Sync: Size/Bytestrobe */ - - -/** Flash-specific control/status values */ - -/* flashcontrol opcodes for ST flashes */ -#define SSB_CHIPCO_FLASHCTL_ST_WREN 0x0006 /* Write Enable */ -#define SSB_CHIPCO_FLASHCTL_ST_WRDIS 0x0004 /* Write Disable */ -#define SSB_CHIPCO_FLASHCTL_ST_RDSR 0x0105 /* Read Status Register */ -#define SSB_CHIPCO_FLASHCTL_ST_WRSR 0x0101 /* Write Status Register */ -#define SSB_CHIPCO_FLASHCTL_ST_READ 0x0303 /* Read Data Bytes */ -#define SSB_CHIPCO_FLASHCTL_ST_PP 0x0302 /* Page Program */ -#define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */ -#define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */ -#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */ -#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */ - -/* Status register bits for ST flashes */ -#define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */ -#define SSB_CHIPCO_FLASHSTA_ST_WEL 0x02 /* Write Enable Latch */ -#define SSB_CHIPCO_FLASHSTA_ST_BP 0x1C /* Block Protect */ -#define SSB_CHIPCO_FLASHSTA_ST_BP_SHIFT 2 -#define SSB_CHIPCO_FLASHSTA_ST_SRWD 0x80 /* Status Register Write Disable */ - -/* flashcontrol opcodes for Atmel flashes */ -#define SSB_CHIPCO_FLASHCTL_AT_READ 0x07E8 -#define SSB_CHIPCO_FLASHCTL_AT_PAGE_READ 0x07D2 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_READ /* FIXME */ -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_READ /* FIXME */ -#define SSB_CHIPCO_FLASHCTL_AT_STATUS 0x01D7 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE 0x0384 -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRITE 0x0387 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_ERASE_PRGM 0x0283 /* Erase program */ -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_ERASE_PRGM 0x0286 /* Erase program */ -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM 0x0288 -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_PROGRAM 0x0289 -#define SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE 0x0281 -#define SSB_CHIPCO_FLASHCTL_AT_BLOCK_ERASE 0x0250 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRER_PRGM 0x0382 /* Write erase program */ -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRER_PRGM 0x0385 /* Write erase program */ -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD 0x0253 -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_LOAD 0x0255 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_COMPARE 0x0260 -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_COMPARE 0x0261 -#define SSB_CHIPCO_FLASHCTL_AT_BUF1_REPROGRAM 0x0258 -#define SSB_CHIPCO_FLASHCTL_AT_BUF2_REPROGRAM 0x0259 - -/* Status register bits for Atmel flashes */ -#define SSB_CHIPCO_FLASHSTA_AT_READY 0x80 -#define SSB_CHIPCO_FLASHSTA_AT_MISMATCH 0x40 -#define SSB_CHIPCO_FLASHSTA_AT_ID 0x38 -#define SSB_CHIPCO_FLASHSTA_AT_ID_SHIFT 3 - - -/** OTP **/ - -/* OTP regions */ -#define SSB_CHIPCO_OTP_HW_REGION SSB_CHIPCO_OTPS_HW_PROTECT -#define SSB_CHIPCO_OTP_SW_REGION SSB_CHIPCO_OTPS_SW_PROTECT -#define SSB_CHIPCO_OTP_CID_REGION SSB_CHIPCO_OTPS_CID_PROTECT - -/* OTP regions (Byte offsets from otp size) */ -#define SSB_CHIPCO_OTP_SWLIM_OFF (-8) -#define SSB_CHIPCO_OTP_CIDBASE_OFF 0 -#define SSB_CHIPCO_OTP_CIDLIM_OFF 8 - -/* Predefined OTP words (Word offset from otp size) */ -#define SSB_CHIPCO_OTP_BOUNDARY_OFF (-4) -#define SSB_CHIPCO_OTP_HWSIGN_OFF (-3) -#define SSB_CHIPCO_OTP_SWSIGN_OFF (-2) -#define SSB_CHIPCO_OTP_CIDSIGN_OFF (-1) - -#define SSB_CHIPCO_OTP_CID_OFF 0 -#define SSB_CHIPCO_OTP_PKG_OFF 1 -#define SSB_CHIPCO_OTP_FID_OFF 2 -#define SSB_CHIPCO_OTP_RSV_OFF 3 -#define SSB_CHIPCO_OTP_LIM_OFF 4 - -#define SSB_CHIPCO_OTP_SIGNATURE 0x578A -#define SSB_CHIPCO_OTP_MAGIC 0x4E56 - - -struct ssb_device; -struct ssb_serial_port; - -struct ssb_chipcommon { - struct ssb_device *dev; - u32 capabilities; - /* Fast Powerup Delay constant */ - u16 fast_pwrup_delay; -}; - -extern void ssb_chipcommon_init(struct ssb_chipcommon *cc); - -#include -extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state); -extern void ssb_chipco_resume(struct ssb_chipcommon *cc); - -extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, - u32 *plltype, u32 *n, u32 *m); -extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc, - unsigned long ns_per_cycle); - -enum ssb_clkmode { - SSB_CLKMODE_SLOW, - SSB_CLKMODE_FAST, - SSB_CLKMODE_DYNAMIC, -}; - -extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, - enum ssb_clkmode mode); - -#ifdef CONFIG_SSB_SERIAL -extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, - struct ssb_serial_port *ports); -#endif /* CONFIG_SSB_SERIAL */ - -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_CHIPCO_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h deleted file mode 100644 index 278a637e86..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_extif.h +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Hardware-specific External Interface I/O core definitions - * for the BCM47xx family of SiliconBackplane-based chips. - * - * The External Interface core supports a total of three external chip selects - * supporting external interfaces. One of the external chip selects is - * used for Flash, one is used for PCMCIA, and the other may be - * programmed to support either a synchronous interface or an - * asynchronous interface. The asynchronous interface can be used to - * support external devices such as UARTs and the BCM2019 Bluetooth - * baseband processor. - * The external interface core also contains 2 on-chip 16550 UARTs, clock - * frequency control, a watchdog interrupt timer, and a GPIO interface. - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, Michael Buesch - * - * Licensed under the GPL version 2. See COPYING for details. - */ -#ifndef LINUX_SSB_EXTIFCORE_H_ -#define LINUX_SSB_EXTIFCORE_H_ - -#ifdef __KERNEL__ - -struct ssb_extif { - struct ssb_device *dev; -}; - -/* external interface address space */ -#define SSB_EXTIF_PCMCIA_MEMBASE(x) (x) -#define SSB_EXTIF_PCMCIA_IOBASE(x) ((x) + 0x100000) -#define SSB_EXTIF_PCMCIA_CFGBASE(x) ((x) + 0x200000) -#define SSB_EXTIF_CFGIF_BASE(x) ((x) + 0x800000) -#define SSB_EXTIF_FLASH_BASE(x) ((x) + 0xc00000) - -#define SSB_EXTIF_NR_GPIOOUT 5 -/* GPIO NOTE: - * The multiple instances of output and output enable registers - * are present to allow driver software for multiple cores to control - * gpio outputs without needing to share a single register pair. - * Use the following helper macro to get a register offset value. - */ -#define SSB_EXTIF_GPIO_OUT(index) ({ \ - BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \ - SSB_EXTIF_GPIO_OUT_BASE + ((index) * 8); \ - }) -#define SSB_EXTIF_GPIO_OUTEN(index) ({ \ - BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \ - SSB_EXTIF_GPIO_OUTEN_BASE + ((index) * 8); \ - }) - -/** EXTIF core registers **/ - -#define SSB_EXTIF_CTL 0x0000 -#define SSB_EXTIF_CTL_UARTEN (1 << 0) /* UART enable */ -#define SSB_EXTIF_EXTSTAT 0x0004 -#define SSB_EXTIF_EXTSTAT_EMODE (1 << 0) /* Endian mode (ro) */ -#define SSB_EXTIF_EXTSTAT_EIRQPIN (1 << 1) /* External interrupt pin (ro) */ -#define SSB_EXTIF_EXTSTAT_GPIOIRQPIN (1 << 2) /* GPIO interrupt pin (ro) */ -#define SSB_EXTIF_PCMCIA_CFG 0x0010 -#define SSB_EXTIF_PCMCIA_MEMWAIT 0x0014 -#define SSB_EXTIF_PCMCIA_ATTRWAIT 0x0018 -#define SSB_EXTIF_PCMCIA_IOWAIT 0x001C -#define SSB_EXTIF_PROG_CFG 0x0020 -#define SSB_EXTIF_PROG_WAITCNT 0x0024 -#define SSB_EXTIF_FLASH_CFG 0x0028 -#define SSB_EXTIF_FLASH_WAITCNT 0x002C -#define SSB_EXTIF_WATCHDOG 0x0040 -#define SSB_EXTIF_CLOCK_N 0x0044 -#define SSB_EXTIF_CLOCK_SB 0x0048 -#define SSB_EXTIF_CLOCK_PCI 0x004C -#define SSB_EXTIF_CLOCK_MII 0x0050 -#define SSB_EXTIF_GPIO_IN 0x0060 -#define SSB_EXTIF_GPIO_OUT_BASE 0x0064 -#define SSB_EXTIF_GPIO_OUTEN_BASE 0x0068 -#define SSB_EXTIF_EJTAG_OUTEN 0x0090 -#define SSB_EXTIF_GPIO_INTPOL 0x0094 -#define SSB_EXTIF_GPIO_INTMASK 0x0098 -#define SSB_EXTIF_UART_DATA 0x0300 -#define SSB_EXTIF_UART_TIMER 0x0310 -#define SSB_EXTIF_UART_FCR 0x0320 -#define SSB_EXTIF_UART_LCR 0x0330 -#define SSB_EXTIF_UART_MCR 0x0340 -#define SSB_EXTIF_UART_LSR 0x0350 -#define SSB_EXTIF_UART_MSR 0x0360 -#define SSB_EXTIF_UART_SCRATCH 0x0370 - - - - -/* pcmcia/prog/flash_config */ -#define SSB_EXTCFG_EN (1 << 0) /* enable */ -#define SSB_EXTCFG_MODE 0xE /* mode */ -#define SSB_EXTCFG_MODE_SHIFT 1 -#define SSB_EXTCFG_MODE_FLASH 0x0 /* flash/asynchronous mode */ -#define SSB_EXTCFG_MODE_SYNC 0x2 /* synchronous mode */ -#define SSB_EXTCFG_MODE_PCMCIA 0x4 /* pcmcia mode */ -#define SSB_EXTCFG_DS16 (1 << 4) /* destsize: 0=8bit, 1=16bit */ -#define SSB_EXTCFG_BSWAP (1 << 5) /* byteswap */ -#define SSB_EXTCFG_CLKDIV 0xC0 /* clock divider */ -#define SSB_EXTCFG_CLKDIV_SHIFT 6 -#define SSB_EXTCFG_CLKDIV_2 0x0 /* backplane/2 */ -#define SSB_EXTCFG_CLKDIV_3 0x40 /* backplane/3 */ -#define SSB_EXTCFG_CLKDIV_4 0x80 /* backplane/4 */ -#define SSB_EXTCFG_CLKEN (1 << 8) /* clock enable */ -#define SSB_EXTCFG_STROBE (1 << 9) /* size/bytestrobe (synch only) */ - -/* pcmcia_memwait */ -#define SSB_PCMCIA_MEMW_0 0x0000003F /* waitcount0 */ -#define SSB_PCMCIA_MEMW_1 0x00001F00 /* waitcount1 */ -#define SSB_PCMCIA_MEMW_1_SHIFT 8 -#define SSB_PCMCIA_MEMW_2 0x001F0000 /* waitcount2 */ -#define SSB_PCMCIA_MEMW_2_SHIFT 16 -#define SSB_PCMCIA_MEMW_3 0x1F000000 /* waitcount3 */ -#define SSB_PCMCIA_MEMW_3_SHIFT 24 - -/* pcmcia_attrwait */ -#define SSB_PCMCIA_ATTW_0 0x0000003F /* waitcount0 */ -#define SSB_PCMCIA_ATTW_1 0x00001F00 /* waitcount1 */ -#define SSB_PCMCIA_ATTW_1_SHIFT 8 -#define SSB_PCMCIA_ATTW_2 0x001F0000 /* waitcount2 */ -#define SSB_PCMCIA_ATTW_2_SHIFT 16 -#define SSB_PCMCIA_ATTW_3 0x1F000000 /* waitcount3 */ -#define SSB_PCMCIA_ATTW_3_SHIFT 24 - -/* pcmcia_iowait */ -#define SSB_PCMCIA_IOW_0 0x0000003F /* waitcount0 */ -#define SSB_PCMCIA_IOW_1 0x00001F00 /* waitcount1 */ -#define SSB_PCMCIA_IOW_1_SHIFT 8 -#define SSB_PCMCIA_IOW_2 0x001F0000 /* waitcount2 */ -#define SSB_PCMCIA_IOW_2_SHIFT 16 -#define SSB_PCMCIA_IOW_3 0x1F000000 /* waitcount3 */ -#define SSB_PCMCIA_IOW_3_SHIFT 24 - -/* prog_waitcount */ -#define SSB_PROG_WCNT_0 0x0000001F /* waitcount0 */ -#define SSB_PROG_WCNT_1 0x00001F00 /* waitcount1 */ -#define SSB_PROG_WCNT_1_SHIFT 8 -#define SSB_PROG_WCNT_2 0x001F0000 /* waitcount2 */ -#define SSB_PROG_WCNT_2_SHIFT 16 -#define SSB_PROG_WCNT_3 0x1F000000 /* waitcount3 */ -#define SSB_PROG_WCNT_3_SHIFT 24 - -#define SSB_PROG_W0 0x0000000C -#define SSB_PROG_W1 0x00000A00 -#define SSB_PROG_W2 0x00020000 -#define SSB_PROG_W3 0x01000000 - -/* flash_waitcount */ -#define SSB_FLASH_WCNT_0 0x0000001F /* waitcount0 */ -#define SSB_FLASH_WCNT_1 0x00001F00 /* waitcount1 */ -#define SSB_FLASH_WCNT_1_SHIFT 8 -#define SSB_FLASH_WCNT_2 0x001F0000 /* waitcount2 */ -#define SSB_FLASH_WCNT_2_SHIFT 16 -#define SSB_FLASH_WCNT_3 0x1F000000 /* waitcount3 */ -#define SSB_FLASH_WCNT_3_SHIFT 24 - -/* watchdog */ -#define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */ - - -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_EXTIFCORE_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h deleted file mode 100644 index 91f2373be4..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_mips.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef LINUX_SSB_MIPSCORE_H_ -#define LINUX_SSB_MIPSCORE_H_ - -#ifdef __KERNEL__ - -#ifdef CONFIG_SSB_DRIVER_MIPS - -struct ssb_device; - -struct ssb_serial_port { - void *regs; - unsigned long clockspeed; - unsigned int irq; - unsigned int baud_base; - unsigned int reg_shift; -}; - - -struct ssb_mipscore { - struct ssb_device *dev; - - int nr_serial_ports; - struct ssb_serial_port serial_ports[4]; - - u32 flash_window; - u32 flash_window_size; -}; - -extern void ssb_mipscore_init(struct ssb_mipscore *mcore); - -extern unsigned int ssb_mips_irq(struct ssb_device *dev); - - -#else /* CONFIG_SSB_DRIVER_MIPS */ - -struct ssb_mipscore { -}; - -static inline -void ssb_mipscore_init(struct ssb_mipscore *mcore) -{ -} - -#endif /* CONFIG_SSB_DRIVER_MIPS */ - -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_MIPSCORE_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_pci.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_pci.h deleted file mode 100644 index 5132f26103..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_driver_pci.h +++ /dev/null @@ -1,108 +0,0 @@ -#ifndef LINUX_SSB_PCICORE_H_ -#define LINUX_SSB_PCICORE_H_ -#ifdef __KERNEL__ - -#ifdef CONFIG_SSB_DRIVER_PCICORE - -/* PCI core registers. */ -#define SSB_PCICORE_CTL 0x0000 /* PCI Control */ -#define SSB_PCICORE_CTL_RST_OE 0x00000001 /* PCI_RESET Output Enable */ -#define SSB_PCICORE_CTL_RST 0x00000002 /* PCI_RESET driven out to pin */ -#define SSB_PCICORE_CTL_CLK_OE 0x00000004 /* Clock gate Output Enable */ -#define SSB_PCICORE_CTL_CLK 0x00000008 /* Gate for clock driven out to pin */ -#define SSB_PCICORE_ARBCTL 0x0010 /* PCI Arbiter Control */ -#define SSB_PCICORE_ARBCTL_INTERN 0x00000001 /* Use internal arbiter */ -#define SSB_PCICORE_ARBCTL_EXTERN 0x00000002 /* Use external arbiter */ -#define SSB_PCICORE_ARBCTL_PARKID 0x00000006 /* Mask, selects which agent is parked on an idle bus */ -#define SSB_PCICORE_ARBCTL_PARKID_LAST 0x00000000 /* Last requestor */ -#define SSB_PCICORE_ARBCTL_PARKID_4710 0x00000002 /* 4710 */ -#define SSB_PCICORE_ARBCTL_PARKID_EXT0 0x00000004 /* External requestor 0 */ -#define SSB_PCICORE_ARBCTL_PARKID_EXT1 0x00000006 /* External requestor 1 */ -#define SSB_PCICORE_ISTAT 0x0020 /* Interrupt status */ -#define SSB_PCICORE_ISTAT_INTA 0x00000001 /* PCI INTA# */ -#define SSB_PCICORE_ISTAT_INTB 0x00000002 /* PCI INTB# */ -#define SSB_PCICORE_ISTAT_SERR 0x00000004 /* PCI SERR# (write to clear) */ -#define SSB_PCICORE_ISTAT_PERR 0x00000008 /* PCI PERR# (write to clear) */ -#define SSB_PCICORE_ISTAT_PME 0x00000010 /* PCI PME# */ -#define SSB_PCICORE_IMASK 0x0024 /* Interrupt mask */ -#define SSB_PCICORE_IMASK_INTA 0x00000001 /* PCI INTA# */ -#define SSB_PCICORE_IMASK_INTB 0x00000002 /* PCI INTB# */ -#define SSB_PCICORE_IMASK_SERR 0x00000004 /* PCI SERR# */ -#define SSB_PCICORE_IMASK_PERR 0x00000008 /* PCI PERR# */ -#define SSB_PCICORE_IMASK_PME 0x00000010 /* PCI PME# */ -#define SSB_PCICORE_MBOX 0x0028 /* Backplane to PCI Mailbox */ -#define SSB_PCICORE_MBOX_F0_0 0x00000100 /* PCI function 0, INT 0 */ -#define SSB_PCICORE_MBOX_F0_1 0x00000200 /* PCI function 0, INT 1 */ -#define SSB_PCICORE_MBOX_F1_0 0x00000400 /* PCI function 1, INT 0 */ -#define SSB_PCICORE_MBOX_F1_1 0x00000800 /* PCI function 1, INT 1 */ -#define SSB_PCICORE_MBOX_F2_0 0x00001000 /* PCI function 2, INT 0 */ -#define SSB_PCICORE_MBOX_F2_1 0x00002000 /* PCI function 2, INT 1 */ -#define SSB_PCICORE_MBOX_F3_0 0x00004000 /* PCI function 3, INT 0 */ -#define SSB_PCICORE_MBOX_F3_1 0x00008000 /* PCI function 3, INT 1 */ -#define SSB_PCICORE_BCAST_ADDR 0x0050 /* Backplane Broadcast Address */ -#define SSB_PCICORE_BCAST_ADDR_MASK 0x000000FF -#define SSB_PCICORE_BCAST_DATA 0x0054 /* Backplane Broadcast Data */ -#define SSB_PCICORE_GPIO_IN 0x0060 /* rev >= 2 only */ -#define SSB_PCICORE_GPIO_OUT 0x0064 /* rev >= 2 only */ -#define SSB_PCICORE_GPIO_ENABLE 0x0068 /* rev >= 2 only */ -#define SSB_PCICORE_GPIO_CTL 0x006C /* rev >= 2 only */ -#define SSB_PCICORE_SBTOPCI0 0x0100 /* Backplane to PCI translation 0 (sbtopci0) */ -#define SSB_PCICORE_SBTOPCI0_MASK 0xFC000000 -#define SSB_PCICORE_SBTOPCI1 0x0104 /* Backplane to PCI translation 1 (sbtopci1) */ -#define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000 -#define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ -#define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000 - -/* SBtoPCIx */ -#define SSB_PCICORE_SBTOPCI_MEM 0x00000000 -#define SSB_PCICORE_SBTOPCI_IO 0x00000001 -#define SSB_PCICORE_SBTOPCI_CFG0 0x00000002 -#define SSB_PCICORE_SBTOPCI_CFG1 0x00000003 -#define SSB_PCICORE_SBTOPCI_PREF 0x00000004 /* Prefetch enable */ -#define SSB_PCICORE_SBTOPCI_BURST 0x00000008 /* Burst enable */ -#define SSB_PCICORE_SBTOPCI_MRM 0x00000020 /* Memory Read Multiple */ -#define SSB_PCICORE_SBTOPCI_RC 0x00000030 /* Read Command mask (rev >= 11) */ -#define SSB_PCICORE_SBTOPCI_RC_READ 0x00000000 /* Memory read */ -#define SSB_PCICORE_SBTOPCI_RC_READL 0x00000010 /* Memory read line */ -#define SSB_PCICORE_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */ - - -/* PCIcore specific boardflags */ -#define SSB_PCICORE_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */ - - -struct ssb_pcicore { - struct ssb_device *dev; - u8 setup_done:1; - u8 hostmode:1; - u8 cardbusmode:1; -}; - -extern void ssb_pcicore_init(struct ssb_pcicore *pc); - -/* Enable IRQ routing for a specific device */ -extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, - struct ssb_device *dev); - - -#else /* CONFIG_SSB_DRIVER_PCICORE */ - - -struct ssb_pcicore { -}; - -static inline -void ssb_pcicore_init(struct ssb_pcicore *pc) -{ -} - -static inline -int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, - struct ssb_device *dev) -{ - return 0; -} - -#endif /* CONFIG_SSB_DRIVER_PCICORE */ -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_PCICORE_H_ */ diff --git a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h b/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h deleted file mode 100644 index 1fa4bf8a9d..0000000000 --- a/target/linux/brcm47xx-2.6/files/include/linux/ssb/ssb_regs.h +++ /dev/null @@ -1,294 +0,0 @@ -#ifndef LINUX_SSB_REGS_H_ -#define LINUX_SSB_REGS_H_ -#ifdef __KERNEL__ - - -/* SiliconBackplane Address Map. - * All regions may not exist on all chips. - */ -#define SSB_SDRAM_BASE 0x00000000 /* Physical SDRAM */ -#define SSB_PCI_MEM 0x08000000 /* Host Mode sb2pcitranslation0 (64 MB) */ -#define SSB_PCI_CFG 0x0c000000 /* Host Mode sb2pcitranslation1 (64 MB) */ -#define SSB_SDRAM_SWAPPED 0x10000000 /* Byteswapped Physical SDRAM */ -#define SSB_ENUM_BASE 0x18000000 /* Enumeration space base */ -#define SSB_ENUM_LIMIT 0x18010000 /* Enumeration space limit */ - -#define SSB_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */ -#define SSB_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */ - -#define SSB_EXTIF_BASE 0x1f000000 /* External Interface region base address */ -#define SSB_FLASH1 0x1fc00000 /* Flash Region 1 */ -#define SSB_FLASH1_SZ 0x00400000 /* Size of Flash Region 1 */ - -#define SSB_PCI_DMA 0x40000000 /* Client Mode sb2pcitranslation2 (1 GB) */ -#define SSB_PCI_DMA_SZ 0x40000000 /* Client Mode sb2pcitranslation2 size in bytes */ -#define SSB_PCIE_DMA_L32 0x00000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */ -#define SSB_PCIE_DMA_H32 0x80000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */ -#define SSB_EUART (SB_EXTIF_BASE + 0x00800000) -#define SSB_LED (SB_EXTIF_BASE + 0x00900000) - - -/* Enumeration space constants */ -#define SSB_CORE_SIZE 0x1000 /* Size of a core MMIO area */ -#define SSB_MAX_NR_CORES ((SSB_ENUM_LIMIT - SSB_ENUM_BASE) / SSB_CORE_SIZE) - - -/* mips address */ -#define SSB_EJTAG 0xff200000 /* MIPS EJTAG space (2M) */ - - -/* SSB PCI config space registers. */ -#define SSB_PMCSR 0x44 -#define SSB_PE 0x100 -#define SSB_BAR0_WIN 0x80 /* Backplane address space 0 */ -#define SSB_BAR1_WIN 0x84 /* Backplane address space 1 */ -#define SSB_SPROMCTL 0x88 /* SPROM control */ -#define SSB_SPROMCTL_WE 0x10 /* SPROM write enable */ -#define SSB_BAR1_CONTROL 0x8c /* Address space 1 burst control */ -#define SSB_PCI_IRQS 0x90 /* PCI interrupts */ -#define SSB_PCI_IRQMASK 0x94 /* PCI IRQ control and mask (pcirev >= 6 only) */ -#define SSB_BACKPLANE_IRQS 0x98 /* Backplane Interrupts */ -#define SSB_GPIO_IN 0xB0 /* GPIO Input (pcirev >= 3 only) */ -#define SSB_GPIO_OUT 0xB4 /* GPIO Output (pcirev >= 3 only) */ -#define SSB_GPIO_OUT_ENABLE 0xB8 /* GPIO Output Enable/Disable (pcirev >= 3 only) */ -#define SSB_GPIO_SCS 0x10 /* PCI config space bit 4 for 4306c0 slow clock source */ -#define SSB_GPIO_HWRAD 0x20 /* PCI config space GPIO 13 for hw radio disable */ -#define SSB_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */ -#define SSB_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */ - - -#define SSB_BAR0_MAX_RETRIES 50 - -/* Silicon backplane configuration register definitions */ -#define SSB_IPSFLAG 0x0F08 -#define SSB_IPSFLAG_IRQ1 0x0000003F /* which sbflags get routed to mips interrupt 1 */ -#define SSB_IPSFLAG_IRQ1_SHIFT 0 -#define SSB_IPSFLAG_IRQ2 0x00003F00 /* which sbflags get routed to mips interrupt 2 */ -#define SSB_IPSFLAG_IRQ2_SHIFT 8 -#define SSB_IPSFLAG_IRQ3 0x003F0000 /* which sbflags get routed to mips interrupt 3 */ -#define SSB_IPSFLAG_IRQ3_SHIFT 16 -#define SSB_IPSFLAG_IRQ4 0x3F000000 /* which sbflags get routed to mips interrupt 4 */ -#define SSB_IPSFLAG_IRQ4_SHIFT 24 -#define SSB_TPSFLAG 0x0F18 -#define SSB_TPSFLAG_BPFLAG 0x0000003F /* Backplane flag # */ -#define SSB_TPSFLAG_ALWAYSIRQ 0x00000040 /* IRQ is always sent on the Backplane */ -#define SSB_TMERRLOGA 0x0F48 -#define SSB_TMERRLOG 0x0F50 -#define SSB_ADMATCH3 0x0F60 -#define SSB_ADMATCH2 0x0F68 -#define SSB_ADMATCH1 0x0F70 -#define SSB_IMSTATE 0x0F90 /* SB Initiator Agent State */ -#define SSB_IMSTATE_PC 0x0000000f /* Pipe Count */ -#define SSB_IMSTATE_AP_MASK 0x00000030 /* Arbitration Priority */ -#define SSB_IMSTATE_AP_BOTH 0x00000000 /* Use both timeslices and token */ -#define SSB_IMSTATE_AP_TS 0x00000010 /* Use timeslices only */ -#define SSB_IMSTATE_AP_TK 0x00000020 /* Use token only */ -#define SSB_IMSTATE_AP_RSV 0x00000030 /* Reserved */ -#define SSB_IMSTATE_IBE 0x00020000 /* In Band Error */ -#define SSB_IMSTATE_TO 0x00040000 /* Timeout */ -#define SSB_INTVEC 0x0F94 /* SB Interrupt Mask */ -#define SSB_INTVEC_PCI 0x00000001 /* Enable interrupts for PCI */ -#define SSB_INTVEC_ENET0 0x00000002 /* Enable interrupts for enet 0 */ -#define SSB_INTVEC_ILINE20 0x00000004 /* Enable interrupts for iline20 */ -#define SSB_INTVEC_CODEC 0x00000008 /* Enable interrupts for v90 codec */ -#define SSB_INTVEC_USB 0x00000010 /* Enable interrupts for usb */ -#define SSB_INTVEC_EXTIF 0x00000020 /* Enable interrupts for external i/f */ -#define SSB_INTVEC_ENET1 0x00000040 /* Enable interrupts for enet 1 */ -#define SSB_TMSLOW 0x0F98 /* SB Target State Low */ -#define SSB_TMSLOW_RESET 0x00000001 /* Reset */ -#define SSB_TMSLOW_REJECT_22 0x00000002 /* Reject (Backplane rev 2.2) */ -#define SSB_TMSLOW_REJECT_23 0x00000004 /* Reject (Backplane rev 2.3) */ -#define SSB_TMSLOW_CLOCK 0x00010000 /* Clock Enable */ -#define SSB_TMSLOW_FGC 0x00020000 /* Force Gated Clocks On */ -#define SSB_TMSLOW_PE 0x40000000 /* Power Management Enable */ -#define SSB_TMSLOW_BE 0x80000000 /* BIST Enable */ -#define SSB_TMSHIGH 0x0F9C /* SB Target State High */ -#define SSB_TMSHIGH_SERR 0x00000001 /* S-error */ -#define SSB_TMSHIGH_INT 0x00000002 /* Interrupt */ -#define SSB_TMSHIGH_BUSY 0x00000004 /* Busy */ -#define SSB_TMSHIGH_TO 0x00000020 /* Timeout. Backplane rev >= 2.3 only */ -#define SSB_TMSHIGH_COREFL 0x1FFF0000 /* Core specific flags */ -#define SSB_TMSHIGH_COREFL_SHIFT 16 -#define SSB_TMSHIGH_DMA64 0x10000000 /* 64bit DMA supported */ -#define SSB_TMSHIGH_GCR 0x20000000 /* Gated Clock Request */ -#define SSB_TMSHIGH_BISTF 0x40000000 /* BIST Failed */ -#define SSB_TMSHIGH_BISTD 0x80000000 /* BIST Done */ -#define SSB_BWA0 0x0FA0 -#define SSB_IMCFGLO 0x0FA8 -#define SSB_IMCFGLO_SERTO 0x00000007 /* Service timeout */ -#define SSB_IMCFGLO_REQTO 0x00000070 /* Request timeout */ -#define SSB_IMCFGLO_REQTO_SHIFT 4 -#define SSB_IMCFGLO_CONNID 0x00FF0000 /* Connection ID */ -#define SSB_IMCFGLO_CONNID_SHIFT 16 -#define SSB_IMCFGHI 0x0FAC -#define SSB_ADMATCH0 0x0FB0 -#define SSB_TMCFGLO 0x0FB8 -#define SSB_TMCFGHI 0x0FBC -#define SSB_BCONFIG 0x0FC0 -#define SSB_BSTATE 0x0FC8 -#define SSB_ACTCFG 0x0FD8 -#define SSB_FLAGST 0x0FE8 -#define SSB_IDLOW 0x0FF8 -#define SSB_IDLOW_CFGSP 0x00000003 /* Config Space */ -#define SSB_IDLOW_ADDRNGE 0x00000038 /* Address Ranges supported */ -#define SSB_IDLOW_ADDRNGE_SHIFT 3 -#define SSB_IDLOW_SYNC 0x00000040 -#define SSB_IDLOW_INITIATOR 0x00000080 -#define SSB_IDLOW_MIBL 0x00000F00 /* Minimum Backplane latency */ -#define SSB_IDLOW_MIBL_SHIFT 8 -#define SSB_IDLOW_MABL 0x0000F000 /* Maximum Backplane latency */ -#define SSB_IDLOW_MABL_SHIFT 12 -#define SSB_IDLOW_TIF 0x00010000 /* This Initiator is first */ -#define SSB_IDLOW_CCW 0x000C0000 /* Cycle counter width */ -#define SSB_IDLOW_CCW_SHIFT 18 -#define SSB_IDLOW_TPT 0x00F00000 /* Target ports */ -#define SSB_IDLOW_TPT_SHIFT 20 -#define SSB_IDLOW_INITP 0x0F000000 /* Initiator ports */ -#define SSB_IDLOW_INITP_SHIFT 24 -#define SSB_IDLOW_SSBREV 0xF0000000 /* Sonics Backplane Revision code */ -#define SSB_IDLOW_SSBREV_22 0x00000000 /* <= 2.2 */ -#define SSB_IDLOW_SSBREV_23 0x10000000 /* 2.3 */ -#define SSB_IDHIGH 0x0FFC /* SB Identification High */ -#define SSB_IDHIGH_RCLO 0x0000000F /* Revision Code (low part) */ -#define SSB_IDHIGH_CC 0x00008FF0 /* Core Code */ -#define SSB_IDHIGH_CC_SHIFT 4 -#define SSB_IDHIGH_RCHI 0x00007000 /* Revision Code (high part) */ -#define SSB_IDHIGH_RCHI_SHIFT 8 /* yes, shift 8 is right */ -#define SSB_IDHIGH_VC 0xFFFF0000 /* Vendor Code */ -#define SSB_IDHIGH_VC_SHIFT 16 - -/* SPROM shadow area. If not otherwise noted, fields are - * two bytes wide. Note that the SPROM can _only_ be read - * in two-byte quantinies. - */ -#define SSB_SPROMSIZE_WORDS 64 -#define SSB_SPROMSIZE_BYTES (SSB_SPROMSIZE_WORDS * sizeof(u16)) -#define SSB_SPROM_BASE 0x1000 -#define SSB_SPROM_REVISION 0x107E -#define SSB_SPROM_REVISION_REV 0x00FF /* SPROM Revision number */ -#define SSB_SPROM_REVISION_CRC 0xFF00 /* SPROM CRC8 value */ -#define SSB_SPROM_REVISION_CRC_SHIFT 8 -/* SPROM Revision 1 */ -#define SSB_SPROM1_SPID 0x1004 /* Subsystem Product ID for PCI */ -#define SSB_SPROM1_SVID 0x1006 /* Subsystem Vendor ID for PCI */ -#define SSB_SPROM1_PID 0x1008 /* Product ID for PCI */ -#define SSB_SPROM1_IL0MAC 0x1048 /* 6 bytes MAC address for 802.11b/g */ -#define SSB_SPROM1_ET0MAC 0x104E /* 6 bytes MAC address for Ethernet */ -#define SSB_SPROM1_ET1MAC 0x1054 /* 6 bytes MAC address for 802.11a */ -#define SSB_SPROM1_ETHPHY 0x105A /* Ethernet PHY settings */ -#define SSB_SPROM1_ETHPHY_ET0A 0x001F /* MII Address for enet0 */ -#define SSB_SPROM1_ETHPHY_ET1A 0x03E0 /* MII Address for enet1 */ -#define SSB_SPROM1_ETHPHY_ET1A_SHIFT 5 -#define SSB_SPROM1_ETHPHY_ET0M (1<<14) /* MDIO for enet0 */ -#define SSB_SPROM1_ETHPHY_ET1M (1<<15) /* MDIO for enet1 */ -#define SSB_SPROM1_BINF 0x105C /* Board info */ -#define SSB_SPROM1_BINF_BREV 0x00FF /* Board Revision */ -#define SSB_SPROM1_BINF_CCODE 0x0F00 /* Country Code */ -#define SSB_SPROM1_BINF_CCODE_SHIFT 8 -#define SSB_SPROM1_BINF_ANTA 0x3000 /* Available A-PHY antennas */ -#define SSB_SPROM1_BINF_ANTA_SHIFT 12 -#define SSB_SPROM1_BINF_ANTBG 0xC000 /* Available B-PHY antennas */ -#define SSB_SPROM1_BINF_ANTBG_SHIFT 14 -#define SSB_SPROM1_PA0B0 0x105E -#define SSB_SPROM1_PA0B1 0x1060 -#define SSB_SPROM1_PA0B2 0x1062 -#define SSB_SPROM1_GPIOA 0x1064 /* General Purpose IO pins 0 and 1 */ -#define SSB_SPROM1_GPIOA_P0 0x00FF /* Pin 0 */ -#define SSB_SPROM1_GPIOA_P1 0xFF00 /* Pin 1 */ -#define SSB_SPROM1_GPIOA_P1_SHIFT 8 -#define SSB_SPROM1_GPIOB 0x1066 /* General Purpuse IO pins 2 and 3 */ -#define SSB_SPROM1_GPIOB_P2 0x00FF /* Pin 2 */ -#define SSB_SPROM1_GPIOB_P3 0xFF00 /* Pin 3 */ -#define SSB_SPROM1_GPIOB_P3_SHIFT 8 -#define SSB_SPROM1_MAXPWR 0x1068 /* Power Amplifier Max Power */ -#define SSB_SPROM1_MAXPWR_BG 0x00FF /* B-PHY and G-PHY (in dBm Q5.2) */ -#define SSB_SPROM1_MAXPWR_A 0xFF00 /* A-PHY (in dBm Q5.2) */ -#define SSB_SPROM1_MAXPWR_A_SHIFT 8 -#define SSB_SPROM1_PA1B0 0x106A -#define SSB_SPROM1_PA1B1 0x106C -#define SSB_SPROM1_PA1B2 0x106E -#define SSB_SPROM1_ITSSI 0x1070 /* Idle TSSI Target */ -#define SSB_SPROM1_ITSSI_BG 0x00FF /* B-PHY and G-PHY*/ -#define SSB_SPROM1_ITSSI_A 0xFF00 /* A-PHY */ -#define SSB_SPROM1_ITSSI_A_SHIFT 8 -#define SSB_SPROM1_BFLLO 0x1072 /* Boardflags (low 16 bits) */ -#define SSB_SPROM1_AGAIN 0x1074 /* Antenna Gain (in dBm Q5.2) */ -#define SSB_SPROM1_AGAIN_A 0x00FF /* A-PHY */ -#define SSB_SPROM1_AGAIN_BG 0xFF00 /* B-PHY and G-PHY */ -#define SSB_SPROM1_AGAIN_BG_SHIFT 8 -#define SSB_SPROM1_OEM 0x1076 /* 8 bytes OEM string (rev 1 only) */ -/* SPROM Revision 2 (inherits from rev 1) */ -#define SSB_SPROM2_BFLHI 0x1038 /* Boardflags (high 16 bits) */ -#define SSB_SPROM2_MAXP_A 0x103A /* A-PHY Max Power */ -#define SSB_SPROM2_MAXP_A_HI 0x00FF /* Max Power High */ -#define SSB_SPROM2_MAXP_A_LO 0xFF00 /* Max Power Low */ -#define SSB_SPROM2_MAXP_A_LO_SHIFT 8 -#define SSB_SPROM2_PA1LOB0 0x103C /* A-PHY PowerAmplifier Low Settings */ -#define SSB_SPROM2_PA1LOB1 0x103E /* A-PHY PowerAmplifier Low Settings */ -#define SSB_SPROM2_PA1LOB2 0x1040 /* A-PHY PowerAmplifier Low Settings */ -#define SSB_SPROM2_PA1HIB0 0x1042 /* A-PHY PowerAmplifier High Settings */ -#define SSB_SPROM2_PA1HIB1 0x1044 /* A-PHY PowerAmplifier High Settings */ -#define SSB_SPROM2_PA1HIB2 0x1046 /* A-PHY PowerAmplifier High Settings */ -#define SSB_SPROM2_OPO 0x1078 /* OFDM Power Offset from CCK Level */ -#define SSB_SPROM2_OPO_VALUE 0x00FF -#define SSB_SPROM2_OPO_UNUSED 0xFF00 -#define SSB_SPROM2_CCODE 0x107C /* Two char Country Code */ -/* SPROM Revision 3 (inherits from rev 2) */ -#define SSB_SPROM3_OFDMAPO 0x102C /* A-PHY OFDM Mid Power Offset (4 bytes, BigEndian) */ -#define SSB_SPROM3_OFDMALPO 0x1030 /* A-PHY OFDM Low Power Offset (4 bytes, BigEndian) */ -#define SSB_SPROM3_OFDMAHPO 0x1034 /* A-PHY OFDM High Power Offset (4 bytes, BigEndian) */ -#define SSB_SPROM3_GPIOLDC 0x1042 /* GPIO LED Powersave Duty Cycle (4 bytes, BigEndian) */ -#define SSB_SPROM3_GPIOLDC_OFF 0x0000FF00 /* Off Count */ -#define SSB_SPROM3_GPIOLDC_OFF_SHIFT 8 -#define SSB_SPROM3_GPIOLDC_ON 0x00FF0000 /* On Count */ -#define SSB_SPROM3_GPIOLDC_ON_SHIFT 16 -#define SSB_SPROM3_CCKPO 0x1078 /* CCK Power Offset */ -#define SSB_SPROM3_CCKPO_1M 0x000F /* 1M Rate PO */ -#define SSB_SPROM3_CCKPO_2M 0x00F0 /* 2M Rate PO */ -#define SSB_SPROM3_CCKPO_2M_SHIFT 4 -#define SSB_SPROM3_CCKPO_55M 0x0F00 /* 5.5M Rate PO */ -#define SSB_SPROM3_CCKPO_55M_SHIFT 8 -#define SSB_SPROM3_CCKPO_11M 0xF000 /* 11M Rate PO */ -#define SSB_SPROM3_CCKPO_11M_SHIFT 12 -#define SSB_SPROM3_OFDMGPO 0x107A /* G-PHY OFDM Power Offset (4 bytes, BigEndian) */ - -/* Values for SSB_SPROM1_BINF_CCODE */ -enum { - SSB_SPROM1CCODE_WORLD = 0, - SSB_SPROM1CCODE_THAILAND, - SSB_SPROM1CCODE_ISRAEL, - SSB_SPROM1CCODE_JORDAN, - SSB_SPROM1CCODE_CHINA, - SSB_SPROM1CCODE_JAPAN, - SSB_SPROM1CCODE_USA_CANADA_ANZ, - SSB_SPROM1CCODE_EUROPE, - SSB_SPROM1CCODE_USA_LOW, - SSB_SPROM1CCODE_JAPAN_HIGH, - SSB_SPROM1CCODE_ALL, - SSB_SPROM1CCODE_NONE, -}; - -/* Address-Match values and masks (SSB_ADMATCH?) */ -#define SSB_ADM_TYPE 0x00000003 /* Address type */ -#define SSB_ADM_TYPE0 0 -#define SSB_ADM_TYPE1 1 -#define SSB_ADM_TYPE2 2 -#define SSB_ADM_AD64 0x00000004 -#define SSB_ADM_SZ0 0x000000F8 /* Type0 size */ -#define SSB_ADM_SZ0_SHIFT 3 -#define SSB_ADM_SZ1 0x000001F8 /* Type1 size */ -#define SSB_ADM_SZ1_SHIFT 3 -#define SSB_ADM_SZ2 0x000001F8 /* Type2 size */ -#define SSB_ADM_SZ2_SHIFT 3 -#define SSB_ADM_EN 0x00000400 /* Enable */ -#define SSB_ADM_NEG 0x00000800 /* Negative decode */ -#define SSB_ADM_BASE0 0xFFFFFF00 /* Type0 base address */ -#define SSB_ADM_BASE0_SHIFT 8 -#define SSB_ADM_BASE1 0xFFFFF000 /* Type1 base address for the core */ -#define SSB_ADM_BASE1_SHIFT 12 -#define SSB_ADM_BASE2 0xFFFF0000 /* Type2 base address for the core */ -#define SSB_ADM_BASE2_SHIFT 16 - - -#endif /* __KERNEL__ */ -#endif /* LINUX_SSB_REGS_H_ */ diff --git a/target/linux/brcm47xx-2.6/patches-2.6.22/205-ssb_integrate.patch b/target/linux/brcm47xx-2.6/patches-2.6.22/205-ssb_integrate.patch deleted file mode 100644 index 67882454d8..0000000000 --- a/target/linux/brcm47xx-2.6/patches-2.6.22/205-ssb_integrate.patch +++ /dev/null @@ -1,78 +0,0 @@ -Index: linux-2.6.22-rc4/drivers/usb/host/Kconfig -=================================================================== ---- linux-2.6.22-rc4.orig/drivers/usb/host/Kconfig 2007-06-10 21:32:11.000000000 +0100 -+++ linux-2.6.22-rc4/drivers/usb/host/Kconfig 2007-06-10 21:33:24.000000000 +0100 -@@ -142,6 +142,19 @@ - Enables support for PCI-bus plug-in USB controller cards. - If unsure, say Y. - -+config USB_OHCI_HCD_SSB -+ bool "OHCI support for the Broadcom SSB OHCI core (embedded systems only)" -+ depends on USB_OHCI_HCD && ((USB_OHCI_HCD=m && SSB) || (USB_OHCI_HCD=y && SSB=y)) && EXPERIMENTAL -+ default n -+ ---help--- -+ Support for the Sonics Silicon Backplane (SSB) attached -+ Broadcom USB OHCI core. -+ -+ This device is only present in some embedded devices with -+ Broadcom based SSB bus. -+ -+ If unsure, say N. -+ - config USB_OHCI_BIG_ENDIAN_DESC - bool - depends on USB_OHCI_HCD -Index: linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c -=================================================================== ---- linux-2.6.22-rc4.orig/drivers/usb/host/ohci-hcd.c 2007-06-10 21:32:11.000000000 +0100 -+++ linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c 2007-06-10 21:33:24.000000000 +0100 -@@ -920,11 +920,17 @@ - #define PS3_SYSTEM_BUS_DRIVER ps3_ohci_sb_driver - #endif - -+#ifdef CONFIG_USB_OHCI_HCD_SSB -+#include "ohci-ssb.c" -+#define SSB_OHCI_DRIVER ssb_ohci_driver -+#endif -+ - #if !defined(PCI_DRIVER) && \ - !defined(PLATFORM_DRIVER) && \ - !defined(OF_PLATFORM_DRIVER) && \ - !defined(SA1111_DRIVER) && \ -- !defined(PS3_SYSTEM_BUS_DRIVER) -+ !defined(PS3_SYSTEM_BUS_DRIVER) && \ -+ !defined(SSB_OHCI_DRIVER) - #error "missing bus glue for ohci-hcd" - #endif - -@@ -972,10 +978,20 @@ - goto error_pci; - #endif - -+#ifdef SSB_OHCI_DRIVER -+ retval = ssb_driver_register(&SSB_OHCI_DRIVER); -+ if (retval) -+ goto error_ssb; -+#endif -+ - return retval; - - /* Error path */ -+#ifdef SSB_OHCI_DRIVER -+ error_ssb: -+#endif - #ifdef PCI_DRIVER -+ pci_unregister_driver(&PCI_DRIVER); - error_pci: - #endif - #ifdef SA1111_DRIVER -@@ -1001,6 +1017,9 @@ - - static void __exit ohci_hcd_mod_exit(void) - { -+#ifdef SSB_OHCI_DRIVER -+ ssb_driver_unregister(&SSB_OHCI_DRIVER); -+#endif - #ifdef PCI_DRIVER - pci_unregister_driver(&PCI_DRIVER); - #endif diff --git a/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_fixes.patch b/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_fixes.patch new file mode 100644 index 0000000000..273d8bb34f --- /dev/null +++ b/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_fixes.patch @@ -0,0 +1,372 @@ +Index: linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c +=================================================================== +--- linux-2.6.22-rc5.orig/drivers/ssb/driver_chipcommon.c 2007-06-21 23:04:38.000000000 +0100 ++++ linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c 2007-06-24 20:07:15.000000000 +0100 +@@ -264,6 +264,31 @@ + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); + } + ++/* TODO: These two functions are a clear candidate for merging, but one gets ++ * the processor clock, and the other gets the bus clock. ++ */ ++void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, ++ u32 *plltype, u32 *n, u32 *m) ++{ ++ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N); ++ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); ++ switch (*plltype) { ++ case SSB_PLLTYPE_2: ++ case SSB_PLLTYPE_4: ++ case SSB_PLLTYPE_6: ++ case SSB_PLLTYPE_7: ++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS); ++ break; ++ case SSB_PLLTYPE_3: ++ /* 5350 uses m2 to control mips */ ++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2); ++ break; ++ default: ++ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB); ++ break; ++ } ++} ++ + void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, + u32 *plltype, u32 *n, u32 *m) + { +@@ -400,3 +425,13 @@ + return nr_ports; + } + #endif /* CONFIG_SSB_SERIAL */ ++ ++/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */ ++int ++ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks) ++{ ++ /* instant NMI */ ++ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks); ++ return 0; ++} ++EXPORT_SYMBOL(ssb_chipco_watchdog); +Index: linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c +=================================================================== +--- linux-2.6.22-rc5.orig/drivers/ssb/driver_mipscore.c 2007-06-10 16:44:31.000000000 +0100 ++++ linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c 2007-06-24 20:48:52.000000000 +0100 +@@ -4,6 +4,7 @@ + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch ++ * Copyright 2006, 2007, Felix Fietkau + * + * Licensed under the GNU/GPL. See COPYING for details. + */ +@@ -31,6 +32,16 @@ + ssb_write32(mcore->dev, offset, value); + } + ++static inline u32 extif_read32(struct ssb_extif *extif, u16 offset) ++{ ++ return ssb_read32(extif->dev, offset); ++} ++ ++static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value) ++{ ++ ssb_write32(extif->dev, offset, value); ++} ++ + static const u32 ipsflag_irq_mask[] = { + 0, + SSB_IPSFLAG_IRQ1, +@@ -118,9 +129,9 @@ + } + + /* XXX: leave here or move into separate extif driver? */ +-static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports) ++static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports) + { +- ++ return 0; + } + + +@@ -174,23 +185,76 @@ + { + struct ssb_bus *bus = mcore->dev->bus; + ++ mcore->flash_buswidth = 2; + if (bus->chipco.dev) { + mcore->flash_window = 0x1c000000; +- mcore->flash_window_size = 0x800000; ++ mcore->flash_window_size = 0x02000000; ++ if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) ++ & SSB_CHIPCO_CFG_DS16) == 0) ++ mcore->flash_buswidth = 1; + } else { + mcore->flash_window = 0x1fc00000; +- mcore->flash_window_size = 0x400000; ++ mcore->flash_window_size = 0x00400000; + } + } + ++static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns) ++{ ++ u32 tmp; ++ ++ /* Initialize extif so we can get to the LEDs and external UART */ ++ extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN); ++ ++ /* Set timing for the flash */ ++ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; ++ tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; ++ tmp |= DIV_ROUND_UP(120, ns); ++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); ++ ++ /* Set programmable interface timing for external uart */ ++ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; ++ tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; ++ tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; ++ tmp |= DIV_ROUND_UP(120, ns); ++ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); ++} + +-static void ssb_cpu_clock(struct ssb_mipscore *mcore) ++static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif, ++ u32 *pll_type, u32 *n, u32 *m) + { ++ *pll_type = SSB_PLLTYPE_1; ++ *n = extif_read32(extif, SSB_EXTIF_CLOCK_N); ++ *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); + } + +-void ssb_mipscore_init(struct ssb_mipscore *mcore) ++u32 ssb_cpu_clock(struct ssb_mipscore *mcore) + { + struct ssb_bus *bus = mcore->dev->bus; ++ u32 pll_type, n, m, rate = 0; ++ ++ if (bus->extif.dev) { ++ ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m); ++ } else if (bus->chipco.dev) { ++ ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m); ++ } else ++ return 0; ++ ++ if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) { ++ rate = 200000000; ++ } else { ++ rate = ssb_calc_clock_rate(pll_type, n, m); ++ } ++ ++ if (pll_type == SSB_PLLTYPE_6) { ++ rate *= 2; ++ } ++ ++ return rate; ++} ++ ++void ssb_mipscore_init(struct ssb_mipscore *mcore) ++{ ++ struct ssb_bus *bus; + struct ssb_device *dev; + unsigned long hz, ns; + unsigned int irq, i; +@@ -198,6 +262,8 @@ + if (!mcore->dev) + return; /* We don't have a MIPS core */ + ++ bus = mcore->dev->bus; ++ + ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n"); + + hz = ssb_clockspeed(bus); +@@ -205,28 +271,9 @@ + hz = 100000000; + ns = 1000000000 / hz; + +-//TODO +-#if 0 +- if (have EXTIF) { +- /* Initialize extif so we can get to the LEDs and external UART */ +- W_REG(&eir->prog_config, CF_EN); +- +- /* Set timing for the flash */ +- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ +- tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */ +- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ +- W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ +- +- /* Set programmable interface timing for external uart */ +- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ +- tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */ +- tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */ +- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ +- W_REG(&eir->prog_waitcount, tmp); +- } +- else... chipcommon +-#endif +- if (bus->chipco.dev) ++ if (bus->extif.dev) ++ ssb_extif_timing_init(&bus->extif, ns); ++ else if (bus->chipco.dev) + ssb_chipco_timing_init(&bus->chipco, ns); + + /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ +@@ -256,3 +303,5 @@ + ssb_mips_serial_init(mcore); + ssb_mips_flash_detect(mcore); + } ++ ++EXPORT_SYMBOL(ssb_mips_irq); +Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h +=================================================================== +--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-10 16:44:47.000000000 +0100 ++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-24 20:07:15.000000000 +0100 +@@ -364,6 +364,8 @@ + extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state); + extern void ssb_chipco_resume(struct ssb_chipcommon *cc); + ++extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, ++ u32 *plltype, u32 *n, u32 *m); + extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, + u32 *plltype, u32 *n, u32 *m); + extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc, +@@ -378,6 +380,46 @@ + extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, + enum ssb_clkmode mode); + ++/* GPIO functions */ ++static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, ++ u32 mask) ++{ ++ return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask; ++} ++ ++static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value); ++} ++ ++static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value); ++} ++ ++static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value); ++} ++ ++static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOIRQ, mask, value); ++} ++ ++static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOPOL, mask, value); ++} ++/* TODO: GPIO reservation */ ++ ++extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks); ++ + #ifdef CONFIG_SSB_SERIAL + extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, + struct ssb_serial_port *ports); +Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h +=================================================================== +--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_extif.h 2007-06-10 16:44:47.000000000 +0100 ++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h 2007-06-24 20:07:15.000000000 +0100 +@@ -158,6 +158,36 @@ + /* watchdog */ + #define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */ + ++/* GPIO functions */ ++static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif, ++ u32 mask) ++{ ++ return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask; ++} ++ ++static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value); ++} ++ ++static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value); ++} ++ ++static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value); ++} ++ ++static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, ++ u32 mask, u32 value) ++{ ++ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value); ++} + + #endif /* __KERNEL__ */ + #endif /* LINUX_SSB_EXTIFCORE_H_ */ +Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h +=================================================================== +--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_mips.h 2007-06-10 16:44:47.000000000 +0100 ++++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h 2007-06-24 20:07:15.000000000 +0100 +@@ -22,11 +22,13 @@ + int nr_serial_ports; + struct ssb_serial_port serial_ports[4]; + ++ int flash_buswidth; + u32 flash_window; + u32 flash_window_size; + }; + + extern void ssb_mipscore_init(struct ssb_mipscore *mcore); ++extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore); + + extern unsigned int ssb_mips_irq(struct ssb_device *dev); + +Index: linux-2.6.22-rc5/include/linux/ssb/ssb.h +=================================================================== +--- linux-2.6.22-rc5.orig/include/linux/ssb/ssb.h 2007-06-24 19:49:56.000000000 +0100 ++++ linux-2.6.22-rc5/include/linux/ssb/ssb.h 2007-06-24 20:07:15.000000000 +0100 +@@ -270,6 +270,12 @@ + #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */ + #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */ + ++static inline u16 ssb_read16(struct ssb_device *dev, u16 offset); ++static inline u32 ssb_read32(struct ssb_device *dev, u16 offset); ++static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value); ++static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value); ++static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value); ++ + #include + #include + #include +@@ -388,6 +394,16 @@ + dev->ops->write32(dev, offset, value); + } + ++static inline u32 ssb_write32_masked(struct ssb_device *dev, ++ u16 offset, ++ u32 mask, ++ u32 value) ++{ ++ value &= mask; ++ value |= ssb_read32(dev, offset) & ~mask; ++ ssb_write32(dev, offset, value); ++ return value; ++} + + /* Translation (routing) bits that need to be ORed to DMA + * addresses before they are given to a device. */ diff --git a/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_merge.patch b/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_merge.patch deleted file mode 100644 index fbf22cb85d..0000000000 --- a/target/linux/brcm47xx-2.6/patches-2.6.22/210-ssb_merge.patch +++ /dev/null @@ -1,421 +0,0 @@ -Index: linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c -=================================================================== ---- linux-2.6.22-rc5.orig/drivers/ssb/driver_chipcommon.c 2007-06-21 23:04:38.000000000 +0100 -+++ linux-2.6.22-rc5/drivers/ssb/driver_chipcommon.c 2007-06-24 20:07:15.000000000 +0100 -@@ -264,6 +264,31 @@ - ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); - } - -+/* TODO: These two functions are a clear candidate for merging, but one gets -+ * the processor clock, and the other gets the bus clock. -+ */ -+void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, -+ u32 *plltype, u32 *n, u32 *m) -+{ -+ *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N); -+ *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); -+ switch (*plltype) { -+ case SSB_PLLTYPE_2: -+ case SSB_PLLTYPE_4: -+ case SSB_PLLTYPE_6: -+ case SSB_PLLTYPE_7: -+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS); -+ break; -+ case SSB_PLLTYPE_3: -+ /* 5350 uses m2 to control mips */ -+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2); -+ break; -+ default: -+ *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB); -+ break; -+ } -+} -+ - void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, - u32 *plltype, u32 *n, u32 *m) - { -@@ -400,3 +425,13 @@ - return nr_ports; - } - #endif /* CONFIG_SSB_SERIAL */ -+ -+/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */ -+int -+ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks) -+{ -+ /* instant NMI */ -+ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks); -+ return 0; -+} -+EXPORT_SYMBOL(ssb_chipco_watchdog); -Index: linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c -=================================================================== ---- linux-2.6.22-rc5.orig/drivers/ssb/driver_mipscore.c 2007-06-10 16:44:31.000000000 +0100 -+++ linux-2.6.22-rc5/drivers/ssb/driver_mipscore.c 2007-06-24 20:48:52.000000000 +0100 -@@ -4,6 +4,7 @@ - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch -+ * Copyright 2006, 2007, Felix Fietkau - * - * Licensed under the GNU/GPL. See COPYING for details. - */ -@@ -31,6 +32,16 @@ - ssb_write32(mcore->dev, offset, value); - } - -+static inline u32 extif_read32(struct ssb_extif *extif, u16 offset) -+{ -+ return ssb_read32(extif->dev, offset); -+} -+ -+static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value) -+{ -+ ssb_write32(extif->dev, offset, value); -+} -+ - static const u32 ipsflag_irq_mask[] = { - 0, - SSB_IPSFLAG_IRQ1, -@@ -118,9 +129,9 @@ - } - - /* XXX: leave here or move into separate extif driver? */ --static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports) -+static int ssb_extif_serial_init(struct ssb_extif *dev, struct ssb_serial_port *ports) - { -- -+ return 0; - } - - -@@ -174,23 +185,76 @@ - { - struct ssb_bus *bus = mcore->dev->bus; - -+ mcore->flash_buswidth = 2; - if (bus->chipco.dev) { - mcore->flash_window = 0x1c000000; -- mcore->flash_window_size = 0x800000; -+ mcore->flash_window_size = 0x02000000; -+ if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) -+ & SSB_CHIPCO_CFG_DS16) == 0) -+ mcore->flash_buswidth = 1; - } else { - mcore->flash_window = 0x1fc00000; -- mcore->flash_window_size = 0x400000; -+ mcore->flash_window_size = 0x00400000; - } - } - -+static void ssb_extif_timing_init(struct ssb_extif *extif, u32 ns) -+{ -+ u32 tmp; -+ -+ /* Initialize extif so we can get to the LEDs and external UART */ -+ extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN); -+ -+ /* Set timing for the flash */ -+ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; -+ tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; -+ tmp |= DIV_ROUND_UP(120, ns); -+ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); -+ -+ /* Set programmable interface timing for external uart */ -+ tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; -+ tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; -+ tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; -+ tmp |= DIV_ROUND_UP(120, ns); -+ extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); -+} - --static void ssb_cpu_clock(struct ssb_mipscore *mcore) -+static inline void ssb_extif_get_clockcontrol(struct ssb_extif *extif, -+ u32 *pll_type, u32 *n, u32 *m) - { -+ *pll_type = SSB_PLLTYPE_1; -+ *n = extif_read32(extif, SSB_EXTIF_CLOCK_N); -+ *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); - } - --void ssb_mipscore_init(struct ssb_mipscore *mcore) -+u32 ssb_cpu_clock(struct ssb_mipscore *mcore) - { - struct ssb_bus *bus = mcore->dev->bus; -+ u32 pll_type, n, m, rate = 0; -+ -+ if (bus->extif.dev) { -+ ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m); -+ } else if (bus->chipco.dev) { -+ ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m); -+ } else -+ return 0; -+ -+ if ((pll_type == SSB_PLLTYPE_5) || (bus->chip_id == 0x5365)) { -+ rate = 200000000; -+ } else { -+ rate = ssb_calc_clock_rate(pll_type, n, m); -+ } -+ -+ if (pll_type == SSB_PLLTYPE_6) { -+ rate *= 2; -+ } -+ -+ return rate; -+} -+ -+void ssb_mipscore_init(struct ssb_mipscore *mcore) -+{ -+ struct ssb_bus *bus; - struct ssb_device *dev; - unsigned long hz, ns; - unsigned int irq, i; -@@ -198,6 +262,8 @@ - if (!mcore->dev) - return; /* We don't have a MIPS core */ - -+ bus = mcore->dev->bus; -+ - ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n"); - - hz = ssb_clockspeed(bus); -@@ -205,28 +271,9 @@ - hz = 100000000; - ns = 1000000000 / hz; - --//TODO --#if 0 -- if (have EXTIF) { -- /* Initialize extif so we can get to the LEDs and external UART */ -- W_REG(&eir->prog_config, CF_EN); -- -- /* Set timing for the flash */ -- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ -- tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */ -- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ -- W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ -- -- /* Set programmable interface timing for external uart */ -- tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ -- tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */ -- tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */ -- tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ -- W_REG(&eir->prog_waitcount, tmp); -- } -- else... chipcommon --#endif -- if (bus->chipco.dev) -+ if (bus->extif.dev) -+ ssb_extif_timing_init(&bus->extif, ns); -+ else if (bus->chipco.dev) - ssb_chipco_timing_init(&bus->chipco, ns); - - /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ -@@ -256,3 +303,5 @@ - ssb_mips_serial_init(mcore); - ssb_mips_flash_detect(mcore); - } -+ -+EXPORT_SYMBOL(ssb_mips_irq); -Index: linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c -=================================================================== ---- linux-2.6.22-rc5.orig/drivers/ssb/driver_pcicore.c 2007-06-10 16:44:31.000000000 +0100 -+++ linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c 2007-06-24 20:07:15.000000000 +0100 -@@ -93,6 +93,9 @@ - - /* Enable PCI bridge BAR1 prefetch and burst */ - pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); -+ -+ /* Make sure our latency is high enough to handle the devices behind us */ -+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8); - } - DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); - -@@ -110,7 +113,7 @@ - - if (unlikely(pc->cardbusmode && dev > 1)) - goto out; -- if (bus == 0) { -+ if (bus == 0) {//FIXME busnumber ok? - /* Type 0 transaction */ - if (unlikely(dev >= SSB_PCI_SLOT_MAX)) - goto out; -@@ -224,7 +227,7 @@ - val = *((const u32 *)buf); - break; - } -- writel(*((const u32 *)buf), mmio); -+ writel(val, mmio); - - err = 0; - unmap: -@@ -307,6 +310,8 @@ - udelay(150); - val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */ - pcicore_write32(pc, SSB_PCICORE_CTL, val); -+ val = SSB_PCICORE_ARBCTL_INTERN; -+ pcicore_write32(pc, SSB_PCICORE_ARBCTL, val); - udelay(1); - - //TODO cardbus mode -@@ -336,6 +341,7 @@ - * The following needs change, if we want to port hostmode - * to non-MIPS platform. */ - set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); -+ mdelay(300); - register_pci_controller(&ssb_pcicore_controller); - } - -Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h -=================================================================== ---- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-10 16:44:47.000000000 +0100 -+++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_chipcommon.h 2007-06-24 20:07:15.000000000 +0100 -@@ -364,6 +364,8 @@ - extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state); - extern void ssb_chipco_resume(struct ssb_chipcommon *cc); - -+extern void ssb_chipco_get_clockcpu(struct ssb_chipcommon *cc, -+ u32 *plltype, u32 *n, u32 *m); - extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, - u32 *plltype, u32 *n, u32 *m); - extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc, -@@ -378,6 +380,46 @@ - extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, - enum ssb_clkmode mode); - -+/* GPIO functions */ -+static inline u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, -+ u32 mask) -+{ -+ return ssb_read32(cc->dev, SSB_CHIPCO_GPIOIN) & mask; -+} -+ -+static inline u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUT, mask, value); -+} -+ -+static inline u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOOUTEN, mask, value); -+} -+ -+static inline u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOCTL, mask, value); -+} -+ -+static inline u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOIRQ, mask, value); -+} -+ -+static inline u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(cc->dev, SSB_CHIPCO_GPIOPOL, mask, value); -+} -+/* TODO: GPIO reservation */ -+ -+extern int ssb_chipco_watchdog(struct ssb_chipcommon *cc, uint ticks); -+ - #ifdef CONFIG_SSB_SERIAL - extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, - struct ssb_serial_port *ports); -Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h -=================================================================== ---- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_extif.h 2007-06-10 16:44:47.000000000 +0100 -+++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_extif.h 2007-06-24 20:07:15.000000000 +0100 -@@ -158,6 +158,36 @@ - /* watchdog */ - #define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */ - -+/* GPIO functions */ -+static inline u32 ssb_extif_gpio_in(struct ssb_extif *extif, -+ u32 mask) -+{ -+ return ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN) & mask; -+} -+ -+static inline u32 ssb_extif_gpio_out(struct ssb_extif *extif, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUT(0), mask, value); -+} -+ -+static inline u32 ssb_extif_gpio_outen(struct ssb_extif *extif, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_OUTEN(0), mask, value); -+} -+ -+static inline u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTPOL, mask, value); -+} -+ -+static inline u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, -+ u32 mask, u32 value) -+{ -+ return ssb_write32_masked(extif->dev, SSB_EXTIF_GPIO_INTMASK, mask, value); -+} - - #endif /* __KERNEL__ */ - #endif /* LINUX_SSB_EXTIFCORE_H_ */ -Index: linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h -=================================================================== ---- linux-2.6.22-rc5.orig/include/linux/ssb/ssb_driver_mips.h 2007-06-10 16:44:47.000000000 +0100 -+++ linux-2.6.22-rc5/include/linux/ssb/ssb_driver_mips.h 2007-06-24 20:07:15.000000000 +0100 -@@ -22,11 +22,13 @@ - int nr_serial_ports; - struct ssb_serial_port serial_ports[4]; - -+ int flash_buswidth; - u32 flash_window; - u32 flash_window_size; - }; - - extern void ssb_mipscore_init(struct ssb_mipscore *mcore); -+extern u32 ssb_cpu_clock(struct ssb_mipscore *mcore); - - extern unsigned int ssb_mips_irq(struct ssb_device *dev); - -Index: linux-2.6.22-rc5/include/linux/ssb/ssb.h -=================================================================== ---- linux-2.6.22-rc5.orig/include/linux/ssb/ssb.h 2007-06-24 19:49:56.000000000 +0100 -+++ linux-2.6.22-rc5/include/linux/ssb/ssb.h 2007-06-24 20:07:15.000000000 +0100 -@@ -270,6 +270,12 @@ - #define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */ - #define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */ - -+static inline u16 ssb_read16(struct ssb_device *dev, u16 offset); -+static inline u32 ssb_read32(struct ssb_device *dev, u16 offset); -+static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value); -+static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value); -+static inline u32 ssb_write32_masked(struct ssb_device *dev, u16 offset, u32 mask, u32 value); -+ - #include - #include - #include -@@ -388,6 +394,16 @@ - dev->ops->write32(dev, offset, value); - } - -+static inline u32 ssb_write32_masked(struct ssb_device *dev, -+ u16 offset, -+ u32 mask, -+ u32 value) -+{ -+ value &= mask; -+ value |= ssb_read32(dev, offset) & ~mask; -+ ssb_write32(dev, offset, value); -+ return value; -+} - - /* Translation (routing) bits that need to be ORed to DMA - * addresses before they are given to a device. */ diff --git a/target/linux/generic-2.6/files/drivers/ssb/Kconfig b/target/linux/generic-2.6/files/drivers/ssb/Kconfig new file mode 100644 index 0000000000..03c4945868 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/Kconfig @@ -0,0 +1,93 @@ +menu "Sonics Silicon Backplane" + +config SSB + tristate "Sonics Silicon Backplane support" + depends on EXPERIMENTAL + help + Support for the Sonics Silicon Backplane bus + + The module will be called ssb + + If unsure, say M + +config SSB_PCIHOST + bool "Support for SSB on PCI-bus host" + depends on SSB && PCI + default y + help + Support for a Sonics Silicon Backplane on top + of a PCI device. + + If unsure, say Y + +config SSB_PCMCIAHOST + bool "Support for SSB on PCMCIA-bus host" + depends on SSB && PCMCIA + help + Support for a Sonics Silicon Backplane on top + of a PCMCIA device. + + If unsure, say N + +config SSB_SILENT + bool "No SSB kernel messages" + depends on SSB + help + This option turns off all Sonics Silicon Backplane printks. + Note that you won't be able to identify problems, once + messages are turned off. + This might only be desired for production kernels on + embedded devices to reduce the kernel size. + + Say N + +config SSB_DEBUG + bool "SSB debugging" + depends on SSB && !SSB_SILENT + help + This turns on additional runtime checks and debugging + messages. Turn this on for SSB troubleshooting. + + If unsure, say N + +config SSB_SERIAL + bool + depends on SSB + # ChipCommon and ExtIf serial support routines. + +config SSB_DRIVER_PCICORE + bool "SSB PCI core driver" + depends on SSB && SSB_PCIHOST + default y + help + Driver for the Sonics Silicon Backplane attached + Broadcom PCI core. + + If unsure, say Y + +config SSB_PCICORE_HOSTMODE + bool "Hostmode support for SSB PCI core" + depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS + help + PCIcore hostmode operation (external PCI bus). + +config SSB_DRIVER_MIPS + bool "SSB Broadcom MIPS core driver" + depends on SSB && MIPS + select SSB_SERIAL + help + Driver for the Sonics Silicon Backplane attached + Broadcom MIPS core. + + If unsure, say N + +config SSB_DRIVER_EXTIF + bool "SSB Broadcom EXTIF core driver" + depends on SSB_DRIVER_MIPS + help + Driver for the Sonics Silicon Backplane attached + Broadcom EXTIF core. + + If unsure, say N + +endmenu diff --git a/target/linux/generic-2.6/files/drivers/ssb/Makefile b/target/linux/generic-2.6/files/drivers/ssb/Makefile new file mode 100644 index 0000000000..9a2b379fbf --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/Makefile @@ -0,0 +1,11 @@ +ssb-builtin-drivers-y += driver_chipcommon.o +ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o +ssb-builtin-drivers-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o + +ssb-hostsupport-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o +ssb-hostsupport-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o + +obj-$(CONFIG_SSB) += ssb.o + +ssb-objs := main.o scan.o \ + $(ssb-hostsupport-y) $(ssb-builtin-drivers-y) diff --git a/target/linux/generic-2.6/files/drivers/ssb/driver_chipcommon.c b/target/linux/generic-2.6/files/drivers/ssb/driver_chipcommon.c new file mode 100644 index 0000000000..a283de9e3a --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/driver_chipcommon.c @@ -0,0 +1,402 @@ +/* + * Sonics Silicon Backplane + * Broadcom ChipCommon core driver + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include + +#include "ssb_private.h" + + +/* Clock sources */ +enum { + /* PCI clock */ + SSB_CHIPCO_CLKSRC_PCI, + /* Crystal slow clock oscillator */ + SSB_CHIPCO_CLKSRC_XTALOS, + /* Low power oscillator */ + SSB_CHIPCO_CLKSRC_LOPWROS, +}; + + +static inline u32 chipco_read32(struct ssb_chipcommon *cc, + u16 offset) +{ + return ssb_read32(cc->dev, offset); +} + +static inline void chipco_write32(struct ssb_chipcommon *cc, + u16 offset, + u32 value) +{ + ssb_write32(cc->dev, offset, value); +} + +void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, + enum ssb_clkmode mode) +{ + struct ssb_device *ccdev = cc->dev; + struct ssb_bus *bus; + u32 tmp; + + if (!ccdev) + return; + bus = ccdev->bus; + /* chipcommon cores prior to rev6 don't support dynamic clock control */ + if (ccdev->id.revision < 6) + return; + /* chipcommon cores rev10 are a whole new ball game */ + if (ccdev->id.revision >= 10) + return; + if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) + return; + + switch (mode) { + case SSB_CLKMODE_SLOW: + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW; + chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + break; + case SSB_CLKMODE_FAST: + ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */ + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; + tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL; + chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + break; + case SSB_CLKMODE_DYNAMIC: + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL; + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL; + if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL) + tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL; + chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + + /* for dynamic control, we have to release our xtal_pu "force on" */ + if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL) + ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0); + break; + default: + assert(0); + } +} + +/* Get the Slow Clock Source */ +static int chipco_pctl_get_slowclksrc(struct ssb_chipcommon *cc) +{ + struct ssb_bus *bus = cc->dev->bus; + u32 tmp = 0; + + if (cc->dev->id.revision < 6) { + if (bus->bustype == SSB_BUSTYPE_SSB || + bus->bustype == SSB_BUSTYPE_PCMCIA) + return SSB_CHIPCO_CLKSRC_XTALOS; + if (bus->bustype == SSB_BUSTYPE_PCI) { + pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &tmp); + if (tmp & 0x10) + return SSB_CHIPCO_CLKSRC_PCI; + return SSB_CHIPCO_CLKSRC_XTALOS; + } + } + if (cc->dev->id.revision < 10) { + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp &= 0x7; + if (tmp == 0) + return SSB_CHIPCO_CLKSRC_LOPWROS; + if (tmp == 1) + return SSB_CHIPCO_CLKSRC_XTALOS; + if (tmp == 2) + return SSB_CHIPCO_CLKSRC_PCI; + } + + return SSB_CHIPCO_CLKSRC_XTALOS; +} + +/* Get maximum or minimum (depending on get_max flag) slowclock frequency. */ +static int chipco_pctl_clockfreqlimit(struct ssb_chipcommon *cc, int get_max) +{ + int limit; + int clocksrc; + int divisor; + u32 tmp; + + clocksrc = chipco_pctl_get_slowclksrc(cc); + if (cc->dev->id.revision < 6) { + switch (clocksrc) { + case SSB_CHIPCO_CLKSRC_PCI: + divisor = 64; + break; + case SSB_CHIPCO_CLKSRC_XTALOS: + divisor = 32; + break; + default: + assert(0); + divisor = 1; + } + } else if (cc->dev->id.revision < 10) { + switch (clocksrc) { + case SSB_CHIPCO_CLKSRC_LOPWROS: + divisor = 1; + break; + case SSB_CHIPCO_CLKSRC_XTALOS: + case SSB_CHIPCO_CLKSRC_PCI: + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + divisor = (tmp >> 16) + 1; + divisor *= 4; + break; + default: + assert(0); + divisor = 1; + } + } else { + tmp = chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL); + divisor = (tmp >> 16) + 1; + divisor *= 4; + } + + switch (clocksrc) { + case SSB_CHIPCO_CLKSRC_LOPWROS: + if (get_max) + limit = 43000; + else + limit = 25000; + break; + case SSB_CHIPCO_CLKSRC_XTALOS: + if (get_max) + limit = 20200000; + else + limit = 19800000; + break; + case SSB_CHIPCO_CLKSRC_PCI: + if (get_max) + limit = 34000000; + else + limit = 25000000; + break; + default: + assert(0); + limit = 0; + } + limit /= divisor; + + return limit; +} + +static void chipco_powercontrol_init(struct ssb_chipcommon *cc) +{ + struct ssb_bus *bus = cc->dev->bus; + + if (bus->chip_id == 0x4321) { + if (bus->chip_rev == 0) + chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0x3A4); + else if (bus->chip_rev == 1) + chipco_write32(cc, SSB_CHIPCO_CHIPCTL, 0xA4); + } + + if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) + return; + + if (cc->dev->id.revision >= 10) { + /* Set Idle Power clock rate to 1Mhz */ + chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL, + (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) & + 0x0000FFFF) | 0x00040000); + } else { + int maxfreq; + + maxfreq = chipco_pctl_clockfreqlimit(cc, 1); + chipco_write32(cc, SSB_CHIPCO_PLLONDELAY, + (maxfreq * 150 + 999999) / 1000000); + chipco_write32(cc, SSB_CHIPCO_FREFSELDELAY, + (maxfreq * 15 + 999999) / 1000000); + } +} + +static void calc_fast_powerup_delay(struct ssb_chipcommon *cc) +{ + struct ssb_bus *bus = cc->dev->bus; + int minfreq; + unsigned int tmp; + u32 pll_on_delay; + + if (bus->bustype != SSB_BUSTYPE_PCI) + return; + if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) + return; + + minfreq = chipco_pctl_clockfreqlimit(cc, 0); + pll_on_delay = chipco_read32(cc, SSB_CHIPCO_PLLONDELAY); + tmp = (((pll_on_delay + 2) * 1000000) + (minfreq - 1)) / minfreq; + assert((tmp & ~0xFFFF) == 0); + + cc->fast_pwrup_delay = tmp; +} + +void ssb_chipcommon_init(struct ssb_chipcommon *cc) +{ + if (!cc->dev) + return; /* We don't have a ChipCommon */ + chipco_powercontrol_init(cc); + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); + calc_fast_powerup_delay(cc); +} + +void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state) +{ + if (!cc->dev) + return; + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW); +} + +void ssb_chipco_resume(struct ssb_chipcommon *cc) +{ + if (!cc->dev) + return; + chipco_powercontrol_init(cc); + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); +} + +void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, + u32 *plltype, u32 *n, u32 *m) +{ + *n = chipco_read32(cc, SSB_CHIPCO_CLOCK_N); + *plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); + switch (*plltype) { + case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */ + *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_MIPS); + break; + case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ + if (cc->dev->bus->chip_id != 0x5365) { + *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_M2); + break; + } + /* Fallthough */ + default: + *m = chipco_read32(cc, SSB_CHIPCO_CLOCK_SB); + } +} + +void ssb_chipco_timing_init(struct ssb_chipcommon *cc, + unsigned long ns) +{ + struct ssb_device *dev = cc->dev; + struct ssb_bus *bus = dev->bus; + u32 tmp; + + /* set register for external IO to control LED. */ + chipco_write32(cc, SSB_CHIPCO_PROG_CFG, 0x11); + tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */ + tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 40ns */ + tmp |= DIV_ROUND_UP(240, ns); /* Waitcount-0 = 240ns */ + chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */ + + /* Set timing for the flash */ + tmp = DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_3_SHIFT; /* Waitcount-3 = 10nS */ + tmp |= DIV_ROUND_UP(10, ns) << SSB_FLASH_WCNT_1_SHIFT; /* Waitcount-1 = 10nS */ + tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120nS */ + if ((bus->chip_id == 0x5365) || + (dev->id.revision < 9)) + chipco_write32(cc, SSB_CHIPCO_FLASH_WAITCNT, tmp); + if ((bus->chip_id == 0x5365) || + (dev->id.revision < 9) || + ((bus->chip_id == 0x5350) && (bus->chip_rev == 0))) + chipco_write32(cc, SSB_CHIPCO_PCMCIA_MEMWAIT, tmp); + + if (bus->chip_id == 0x5350) { + /* Enable EXTIF */ + tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; /* Waitcount-3 = 10ns */ + tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; /* Waitcount-2 = 20ns */ + tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; /* Waitcount-1 = 100ns */ + tmp |= DIV_ROUND_UP(120, ns); /* Waitcount-0 = 120ns */ + chipco_write32(cc, SSB_CHIPCO_PROG_WAITCNT, tmp); /* 0x01020a0c for a 100Mhz clock */ + } +} + + +#ifdef CONFIG_SSB_SERIAL +int ssb_chipco_serial_init(struct ssb_chipcommon *cc, + struct ssb_serial_port *ports) +{ + struct ssb_bus *bus = cc->dev->bus; + int nr_ports = 0; + u32 plltype; + unsigned int irq; + u32 baud_base, div; + u32 i, n; + + plltype = (cc->capabilities & SSB_CHIPCO_CAP_PLLT); + irq = ssb_mips_irq(cc->dev); + + if (plltype == SSB_PLLTYPE_1) { + /* PLL clock */ + baud_base = ssb_calc_clock_rate(plltype, + chipco_read32(cc, SSB_CHIPCO_CLOCK_N), + chipco_read32(cc, SSB_CHIPCO_CLOCK_M2)); + div = 1; + } else { + if (cc->dev->id.revision >= 11) { + /* Fixed ALP clock */ + baud_base = 20000000; + div = 1; + /* Set the override bit so we don't divide it */ + chipco_write32(cc, SSB_CHIPCO_CORECTL, + SSB_CHIPCO_CORECTL_UARTCLK0); + } else if (cc->dev->id.revision >= 3) { + /* Internal backplane clock */ + baud_base = ssb_clockspeed(bus); + div = 2; /* Minimum divisor */ + chipco_write32(cc, SSB_CHIPCO_CLKDIV, + (chipco_read32(cc, SSB_CHIPCO_CLKDIV) + & ~SSB_CHIPCO_CLKDIV_UART) | div); + } else { + /* Fixed internal backplane clock */ + baud_base = 88000000; + div = 48; + } + + /* Clock source depends on strapping if UartClkOverride is unset */ + if ((cc->dev->id.revision > 0) && + !(chipco_read32(cc, SSB_CHIPCO_CORECTL) & SSB_CHIPCO_CORECTL_UARTCLK0)) { + if ((cc->capabilities & SSB_CHIPCO_CAP_UARTCLK) == + SSB_CHIPCO_CAP_UARTCLK_INT) { + /* Internal divided backplane clock */ + baud_base /= div; + } else { + /* Assume external clock of 1.8432 MHz */ + baud_base = 1843200; + } + } + } + + /* Determine the registers of the UARTs */ + n = (cc->capabilities & SSB_CHIPCO_CAP_NRUART); + for (i = 0; i < n; i++) { + void __iomem *cc_mmio; + void __iomem *uart_regs; + + cc_mmio = cc->dev->bus->mmio + (cc->dev->core_index * SSB_CORE_SIZE); + uart_regs = cc_mmio + SSB_CHIPCO_UART0_DATA; + /* Offset changed at after rev 0 */ + if (cc->dev->id.revision == 0) + uart_regs += (i * 8); + else + uart_regs += (i * 256); + + nr_ports++; + ports[i].regs = uart_regs; + ports[i].irq = irq; + ports[i].baud_base = baud_base; + ports[i].reg_shift = 0; + } + + return nr_ports; +} +#endif /* CONFIG_SSB_SERIAL */ diff --git a/target/linux/generic-2.6/files/drivers/ssb/driver_mipscore.c b/target/linux/generic-2.6/files/drivers/ssb/driver_mipscore.c new file mode 100644 index 0000000000..67d10178b6 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/driver_mipscore.c @@ -0,0 +1,258 @@ +/* + * Sonics Silicon Backplane + * Broadcom MIPS core driver + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include + +#include +#include +#include +#include + +#include "ssb_private.h" + + +static inline u32 mips_read32(struct ssb_mipscore *mcore, + u16 offset) +{ + return ssb_read32(mcore->dev, offset); +} + +static inline void mips_write32(struct ssb_mipscore *mcore, + u16 offset, + u32 value) +{ + ssb_write32(mcore->dev, offset, value); +} + +static const u32 ipsflag_irq_mask[] = { + 0, + SSB_IPSFLAG_IRQ1, + SSB_IPSFLAG_IRQ2, + SSB_IPSFLAG_IRQ3, + SSB_IPSFLAG_IRQ4, +}; + +static const u32 ipsflag_irq_shift[] = { + 0, + SSB_IPSFLAG_IRQ1_SHIFT, + SSB_IPSFLAG_IRQ2_SHIFT, + SSB_IPSFLAG_IRQ3_SHIFT, + SSB_IPSFLAG_IRQ4_SHIFT, +}; + +static inline u32 ssb_irqflag(struct ssb_device *dev) +{ + return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG; +} + +/* Get the MIPS IRQ assignment for a specified device. + * If unassigned, 0 is returned. + */ +unsigned int ssb_mips_irq(struct ssb_device *dev) +{ + struct ssb_bus *bus = dev->bus; + u32 irqflag; + u32 ipsflag; + u32 tmp; + unsigned int irq; + + irqflag = ssb_irqflag(dev); + ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG); + for (irq = 1; irq <= 4; irq++) { + tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]); + if (tmp == irqflag) + break; + } + if (irq == 5) + irq = 0; + + return irq; +} + +static void clear_irq(struct ssb_bus *bus, unsigned int irq) +{ + struct ssb_device *dev = bus->mipscore.dev; + + /* Clear the IRQ in the MIPScore backplane registers */ + if (irq == 0) { + ssb_write32(dev, SSB_INTVEC, 0); + } else { + ssb_write32(dev, SSB_IPSFLAG, + ssb_read32(dev, SSB_IPSFLAG) | + ipsflag_irq_mask[irq]); + } +} + +static void set_irq(struct ssb_device *dev, unsigned int irq) +{ + unsigned int oldirq = ssb_mips_irq(dev); + struct ssb_bus *bus = dev->bus; + struct ssb_device *mdev = bus->mipscore.dev; + u32 irqflag = ssb_irqflag(dev); + + dev->irq = irq + 2; + + ssb_dprintk(KERN_INFO PFX + "set_irq: core 0x%04x, irq %d => %d\n", + dev->id.coreid, oldirq, irq); + /* clear the old irq */ + if (oldirq == 0) + ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); + else + clear_irq(bus, oldirq); + + /* assign the new one */ + if (irq == 0) + ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))); + + irqflag <<= ipsflag_irq_shift[irq]; + irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]); + ssb_write32(mdev, SSB_IPSFLAG, irqflag); +} + +/* XXX: leave here or move into separate extif driver? */ +static int ssb_extif_serial_init(struct ssb_device *dev, struct ssb_serial_ports *ports) +{ + +} + + +static void ssb_mips_serial_init(struct ssb_mipscore *mcore) +{ + struct ssb_bus *bus = mcore->dev->bus; + + //TODO if (EXTIF available +#if 0 + extifregs_t *eir = (extifregs_t *) regs; + sbconfig_t *sb; + + /* Determine external UART register base */ + sb = (sbconfig_t *)((ulong) eir + SBCONFIGOFF); + base = EXTIF_CFGIF_BASE(sb_base(R_REG(&sb->sbadmatch1))); + + /* Determine IRQ */ + irq = sb_irq(sbh); + + /* Disable GPIO interrupt initially */ + W_REG(&eir->gpiointpolarity, 0); + W_REG(&eir->gpiointmask, 0); + + /* Search for external UARTs */ + n = 2; + for (i = 0; i < 2; i++) { + regs = (void *) REG_MAP(base + (i * 8), 8); + if (BCMINIT(serial_exists)(regs)) { + /* Set GPIO 1 to be the external UART IRQ */ + W_REG(&eir->gpiointmask, 2); + if (add) + add(regs, irq, 13500000, 0); + } + } + + /* Add internal UART if enabled */ + if (R_REG(&eir->corecontrol) & CC_UE) + if (add) + add((void *) &eir->uartdata, irq, sb_clock(sbh), 2); + +#endif + if (bus->extif.dev) + mcore->nr_serial_ports = ssb_extif_serial_init(&bus->extif, mcore->serial_ports); + else if (bus->chipco.dev) + mcore->nr_serial_ports = ssb_chipco_serial_init(&bus->chipco, mcore->serial_ports); + else + mcore->nr_serial_ports = 0; +} + +static void ssb_mips_flash_detect(struct ssb_mipscore *mcore) +{ + struct ssb_bus *bus = mcore->dev->bus; + + if (bus->chipco.dev) { + mcore->flash_window = 0x1c000000; + mcore->flash_window_size = 0x800000; + } else { + mcore->flash_window = 0x1fc00000; + mcore->flash_window_size = 0x400000; + } +} + + +static void ssb_cpu_clock(struct ssb_mipscore *mcore) +{ +} + +void ssb_mipscore_init(struct ssb_mipscore *mcore) +{ + struct ssb_bus *bus = mcore->dev->bus; + struct ssb_device *dev; + unsigned long hz, ns; + unsigned int irq, i; + + if (!mcore->dev) + return; /* We don't have a MIPS core */ + + ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n"); + + hz = ssb_clockspeed(bus); + if (!hz) + hz = 100000000; + ns = 1000000000 / hz; + +//TODO +#if 0 + if (have EXTIF) { + /* Initialize extif so we can get to the LEDs and external UART */ + W_REG(&eir->prog_config, CF_EN); + + /* Set timing for the flash */ + tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ + tmp = tmp | (CEIL(40, ns) << FW_W1_SHIFT); /* W1 = 40nS */ + tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ + W_REG(&eir->prog_waitcount, tmp); /* 0x01020a0c for a 100Mhz clock */ + + /* Set programmable interface timing for external uart */ + tmp = CEIL(10, ns) << FW_W3_SHIFT; /* W3 = 10nS */ + tmp = tmp | (CEIL(20, ns) << FW_W2_SHIFT); /* W2 = 20nS */ + tmp = tmp | (CEIL(100, ns) << FW_W1_SHIFT); /* W1 = 100nS */ + tmp = tmp | CEIL(120, ns); /* W0 = 120nS */ + W_REG(&eir->prog_waitcount, tmp); + } + else... chipcommon +#endif + if (bus->chipco.dev) + ssb_chipco_timing_init(&bus->chipco, ns); + + /* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */ + for (irq = 2, i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + dev->irq = ssb_mips_irq(dev) + 2; + switch(dev->id.coreid) { + case SSB_DEV_USB11_HOST: + /* shouldn't need a separate irq line for non-4710, most of them have a proper + * external usb controller on the pci */ + if ((bus->chip_id == 0x4710) && (irq <= 4)) { + set_irq(dev, irq++); + break; + } + case SSB_DEV_PCI: + case SSB_DEV_ETHERNET: + case SSB_DEV_80211: + case SSB_DEV_USB20_HOST: + /* These devices get their own IRQ line if available, the rest goes on IRQ0 */ + if (irq <= 4) { + set_irq(dev, irq++); + break; + } + } + } + + ssb_mips_serial_init(mcore); + ssb_mips_flash_detect(mcore); +} diff --git a/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c b/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c new file mode 100644 index 0000000000..a59dff083e --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/driver_pcicore.c @@ -0,0 +1,556 @@ +/* + * Sonics Silicon Backplane + * Broadcom PCI-core driver + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include + +#include "ssb_private.h" + + +static inline +u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset) +{ + return ssb_read32(pc->dev, offset); +} + +static inline +void pcicore_write32(struct ssb_pcicore *pc, u16 offset, u32 value) +{ + ssb_write32(pc->dev, offset, value); +} + +/************************************************** + * Code for hostmode operation. + **************************************************/ + +#ifdef CONFIG_SSB_PCICORE_HOSTMODE + +#include +/* Read the bus and catch bus exceptions. This is MIPS specific. */ +#define mips_busprobe(val, addr) get_dbe((val), (addr)) + +/* Assume one-hot slot wiring */ +#define SSB_PCI_SLOT_MAX 16 + +/* Global lock is OK, as we won't have more than one extpci anyway. */ +static DEFINE_SPINLOCK(cfgspace_lock); +/* Core to access the external PCI config space. Can only have one. */ +static struct ssb_pcicore *extpci_core; + +u32 pci_iobase = 0x100; +u32 pci_membase = SSB_PCI_DMA; + +int pcibios_plat_dev_init(struct pci_dev *d) +{ + struct resource *res; + int pos, size; + u32 *base; + + printk("PCI: Fixing up device %s\n", pci_name(d)); + + /* Fix up resource bases */ + for (pos = 0; pos < 6; pos++) { + res = &d->resource[pos]; + base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase); + if (res->end) { + size = res->end - res->start + 1; + if (*base & (size - 1)) + *base = (*base + size) & ~(size - 1); + res->start = *base; + res->end = res->start + size - 1; + *base += size; + pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); + } + /* Fix up PCI bridge BAR0 only */ + if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) + break; + } + /* Fix up interrupt lines */ + d->irq = ssb_mips_irq(extpci_core->dev) + 2; + pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); + + return 0; +} + +static void __init ssb_fixup_pcibridge(struct pci_dev *dev) +{ + if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) + return; + + printk("PCI: fixing up bridge\n"); + + /* Enable PCI bridge bus mastering and memory space */ + pci_set_master(dev); + pcibios_enable_device(dev, ~0); + + /* Enable PCI bridge BAR1 prefetch and burst */ + pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); +} +DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); + +int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + return ssb_mips_irq(extpci_core->dev) + 2; +} + +static u32 get_cfgspace_addr(struct ssb_pcicore *pc, + unsigned int bus, unsigned int dev, + unsigned int func, unsigned int off) +{ + u32 addr = 0; + u32 tmp; + + if (unlikely(pc->cardbusmode && dev > 1)) + goto out; + if (bus == 0) { + /* Type 0 transaction */ + if (unlikely(dev >= SSB_PCI_SLOT_MAX)) + goto out; + /* Slide the window */ + tmp = SSB_PCICORE_SBTOPCI_CFG0; + tmp |= ((1 << (dev + 16)) & SSB_PCICORE_SBTOPCI1_MASK); + pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, tmp); + /* Calculate the address */ + addr = SSB_PCI_CFG; + addr |= ((1 << (dev + 16)) & ~SSB_PCICORE_SBTOPCI1_MASK); + addr |= (func << 8); + addr |= (off & ~3); + } else { + /* Type 1 transaction */ + pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, + SSB_PCICORE_SBTOPCI_CFG1); + /* Calculate the address */ + addr = SSB_PCI_CFG; + addr |= (bus << 16); + addr |= (dev << 11); + addr |= (func << 8); + addr |= (off & ~3); + } +out: + return addr; +} + +static int ssb_extpci_read_config(struct ssb_pcicore *pc, + unsigned int bus, unsigned int dev, + unsigned int func, unsigned int off, + void *buf, int len) +{ + int err = -EINVAL; + u32 addr, val; + void __iomem *mmio; + + assert(pc->hostmode); + if (unlikely(len != 1 && len != 2 && len != 4)) + goto out; + addr = get_cfgspace_addr(pc, bus, dev, func, off); + if (unlikely(!addr)) + goto out; + err = -ENOMEM; + mmio = ioremap_nocache(addr, len); + if (!mmio) + goto out; + + if (mips_busprobe(val, (u32 *) mmio)) { + val = 0xffffffff; + goto unmap; + } + + val = readl(mmio); + val >>= (8 * (off & 3)); + + switch (len) { + case 1: + *((u8 *)buf) = (u8)val; + break; + case 2: + *((u16 *)buf) = (u16)val; + break; + case 4: + *((u32 *)buf) = (u32)val; + break; + } + err = 0; +unmap: + iounmap(mmio); +out: + return err; +} + +static int ssb_extpci_write_config(struct ssb_pcicore *pc, + unsigned int bus, unsigned int dev, + unsigned int func, unsigned int off, + const void *buf, int len) +{ + int err = -EINVAL; + u32 addr, val = 0; + void __iomem *mmio; + + assert(pc->hostmode); + if (unlikely(len != 1 && len != 2 && len != 4)) + goto out; + addr = get_cfgspace_addr(pc, bus, dev, func, off); + if (unlikely(!addr)) + goto out; + err = -ENOMEM; + mmio = ioremap_nocache(addr, len); + if (!mmio) + goto out; + + if (mips_busprobe(val, (u32 *) mmio)) { + val = 0xffffffff; + goto unmap; + } + + switch (len) { + case 1: + val = readl(mmio); + val &= ~(0xFF << (8 * (off & 3))); + val |= *((const u8 *)buf) << (8 * (off & 3)); + break; + case 2: + val = readl(mmio); + val &= ~(0xFFFF << (8 * (off & 3))); + val |= *((const u16 *)buf) << (8 * (off & 3)); + break; + case 4: + val = *((const u32 *)buf); + break; + } + writel(*((const u32 *)buf), mmio); + + err = 0; +unmap: + iounmap(mmio); +out: + return err; +} + +static int ssb_pcicore_read_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 *val) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&cfgspace_lock, flags); + err = ssb_extpci_read_config(extpci_core, bus->number, PCI_SLOT(devfn), + PCI_FUNC(devfn), reg, val, size); + spin_unlock_irqrestore(&cfgspace_lock, flags); + + return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + +static int ssb_pcicore_write_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 val) +{ + unsigned long flags; + int err; + + spin_lock_irqsave(&cfgspace_lock, flags); + err = ssb_extpci_write_config(extpci_core, bus->number, PCI_SLOT(devfn), + PCI_FUNC(devfn), reg, &val, size); + spin_unlock_irqrestore(&cfgspace_lock, flags); + + return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; +} + +static struct pci_ops ssb_pcicore_pciops = { + .read = ssb_pcicore_read_config, + .write = ssb_pcicore_write_config, +}; + +static struct resource ssb_pcicore_mem_resource = { + .name = "SSB PCIcore external memory", + .start = SSB_PCI_DMA, + .end = (u32)SSB_PCI_DMA + (u32)SSB_PCI_DMA_SZ - 1, + .flags = IORESOURCE_MEM, +}; + +static struct resource ssb_pcicore_io_resource = { + .name = "SSB PCIcore external I/O", + .start = 0x100, + .end = 0x7FF, + .flags = IORESOURCE_IO, +}; + +static struct pci_controller ssb_pcicore_controller = { + .pci_ops = &ssb_pcicore_pciops, + .io_resource = &ssb_pcicore_io_resource, + .mem_resource = &ssb_pcicore_mem_resource, + .mem_offset = 0x24000000, +}; + +static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) +{ + u32 val; + + if (extpci_core) { + WARN_ON(1); + return; + } + extpci_core = pc; + + ssb_dprintk(KERN_INFO PFX "PCIcore in host mode found\n"); + /* Reset devices on the external PCI bus */ + val = SSB_PCICORE_CTL_RST_OE; + val |= SSB_PCICORE_CTL_CLK_OE; + pcicore_write32(pc, SSB_PCICORE_CTL, val); + val |= SSB_PCICORE_CTL_CLK; /* Clock on */ + pcicore_write32(pc, SSB_PCICORE_CTL, val); + udelay(150); + val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */ + pcicore_write32(pc, SSB_PCICORE_CTL, val); + udelay(1); + + //TODO cardbus mode + + /* 64MB I/O window */ + pcicore_write32(pc, SSB_PCICORE_SBTOPCI0, + SSB_PCICORE_SBTOPCI_IO); + /* 64MB config space */ + pcicore_write32(pc, SSB_PCICORE_SBTOPCI1, + SSB_PCICORE_SBTOPCI_CFG0); + /* 1GB memory window */ + pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, + SSB_PCICORE_SBTOPCI_MEM | SSB_PCI_DMA); + + /* Enable PCI bridge BAR0 prefetch and burst */ + val = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + ssb_extpci_write_config(pc, 0, 0, 0, PCI_COMMAND, &val, 2); + /* Clear error conditions */ + val = 0; + ssb_extpci_write_config(pc, 0, 0, 0, PCI_STATUS, &val, 2); + + /* Enable PCI interrupts */ + pcicore_write32(pc, SSB_PCICORE_IMASK, + SSB_PCICORE_IMASK_INTA); + + /* Ok, ready to run, register it to the system. + * The following needs change, if we want to port hostmode + * to non-MIPS platform. */ + set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); + register_pci_controller(&ssb_pcicore_controller); +} + +static int pcicore_is_in_hostmode(struct ssb_pcicore *pc) +{ + struct ssb_bus *bus = pc->dev->bus; + u16 chipid_top; + u32 tmp; + + chipid_top = (bus->chip_id & 0xFF00); + if (chipid_top != 0x4700 && + chipid_top != 0x5300) + return 0; + + if (bus->sprom.r1.boardflags_lo & SSB_PCICORE_BFL_NOPCI) + return 0; + + /* The 200-pin BCM4712 package does not bond out PCI. Even when + * PCI is bonded out, some boards may leave the pins floating. */ + if (bus->chip_id == 0x4712) { + if (bus->chip_package == SSB_CHIPPACK_BCM4712S) + return 0; + if (bus->chip_package == SSB_CHIPPACK_BCM4712M) + return 0; + } + if (bus->chip_id == 0x5350) + return 0; + + return !mips_busprobe(tmp, (u32 *) (bus->mmio + (pc->dev->core_index * SSB_CORE_SIZE))); +} +#endif /* CONFIG_SSB_PCICORE_HOSTMODE */ + + +/************************************************** + * Generic and Clientmode operation code. + **************************************************/ + +static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc) +{ + /* Disable PCI interrupts. */ + ssb_write32(pc->dev, SSB_INTVEC, 0); +} + +void ssb_pcicore_init(struct ssb_pcicore *pc) +{ + struct ssb_device *dev = pc->dev; + struct ssb_bus *bus; + + if (!dev) + return; + bus = dev->bus; + if (!ssb_device_is_enabled(dev)) + ssb_device_enable(dev, 0); + +#ifdef CONFIG_SSB_PCICORE_HOSTMODE + pc->hostmode = pcicore_is_in_hostmode(pc); + if (pc->hostmode) + ssb_pcicore_init_hostmode(pc); +#endif /* CONFIG_SSB_PCICORE_HOSTMODE */ + if (!pc->hostmode) + ssb_pcicore_init_clientmode(pc); +} + +static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address) +{ + pcicore_write32(pc, 0x130, address); + return pcicore_read32(pc, 0x134); +} + +static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data) +{ + pcicore_write32(pc, 0x130, address); + pcicore_write32(pc, 0x134, data); +} + +static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device, + u8 address, u16 data) +{ + const u16 mdio_control = 0x128; + const u16 mdio_data = 0x12C; + u32 v; + int i; + + v = 0x80; /* Enable Preamble Sequence */ + v |= 0x2; /* MDIO Clock Divisor */ + pcicore_write32(pc, mdio_control, v); + + v = (1 << 30); /* Start of Transaction */ + v |= (1 << 28); /* Write Transaction */ + v |= (1 << 17); /* Turnaround */ + v |= (u32)device << 22; + v |= (u32)address << 18; + v |= data; + pcicore_write32(pc, mdio_data, v); + udelay(10); + for (i = 0; i < 10; i++) { + v = pcicore_read32(pc, mdio_control); + if (v & 0x100 /* Trans complete */) + break; + msleep(1); + } + pcicore_write32(pc, mdio_control, 0); +} + +static void ssb_broadcast_value(struct ssb_device *dev, + u32 address, u32 data) +{ + /* This is used for both, PCI and ChipCommon core, so be careful. */ + BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR); + BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA); + + ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address); + ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */ + ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data); + ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */ +} + +static void ssb_commit_settings(struct ssb_bus *bus) +{ + struct ssb_device *dev; + + dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev; + assert(dev); + /* This forces an update of the cached registers. */ + ssb_broadcast_value(dev, 0xFD8, 0); +} + +int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, + struct ssb_device *dev) +{ + struct ssb_device *pdev = pc->dev; + struct ssb_bus *bus; + int err = 0; + u32 tmp; + + might_sleep(); + + if (!pdev) + goto out; + bus = pdev->bus; + + /* Enable interrupts for this device. */ + if (bus->host_pci && + ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) { + u32 coremask; + + /* Calculate the "coremask" for the device. */ + coremask = (1 << dev->core_index); + + err = pci_read_config_dword(bus->host_pci, SSB_PCI_IRQMASK, &tmp); + if (err) + goto out; + tmp |= coremask << 8; + err = pci_write_config_dword(bus->host_pci, SSB_PCI_IRQMASK, tmp); + if (err) + goto out; + } else { + u32 intvec; + + intvec = ssb_read32(pdev, SSB_INTVEC); + tmp = ssb_read32(dev, SSB_TPSFLAG); + tmp &= SSB_TPSFLAG_BPFLAG; + intvec |= tmp; + ssb_write32(pdev, SSB_INTVEC, intvec); + } + + /* Setup PCIcore operation. */ + if (pc->setup_done) + goto out; + if (pdev->id.coreid == SSB_DEV_PCI) { + tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2); + tmp |= SSB_PCICORE_SBTOPCI_PREF; + tmp |= SSB_PCICORE_SBTOPCI_BURST; + pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp); + + if (pdev->id.revision < 5) { + tmp = ssb_read32(pdev, SSB_IMCFGLO); + tmp &= ~SSB_IMCFGLO_SERTO; + tmp |= 2; + tmp &= ~SSB_IMCFGLO_REQTO; + tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT; + ssb_write32(pdev, SSB_IMCFGLO, tmp); + ssb_commit_settings(bus); + } else if (pdev->id.revision >= 11) { + tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2); + tmp |= SSB_PCICORE_SBTOPCI_MRM; + pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp); + } + } else { + assert(pdev->id.coreid == SSB_DEV_PCIE); + //TODO: Better make defines for all these magic PCIE values. + if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) { + /* TLP Workaround register. */ + tmp = ssb_pcie_read(pc, 0x4); + tmp |= 0x8; + ssb_pcie_write(pc, 0x4, tmp); + } + if (pdev->id.revision == 0) { + const u8 serdes_rx_device = 0x1F; + + ssb_pcie_mdio_write(pc, serdes_rx_device, + 2 /* Timer */, 0x8128); + ssb_pcie_mdio_write(pc, serdes_rx_device, + 6 /* CDR */, 0x0100); + ssb_pcie_mdio_write(pc, serdes_rx_device, + 7 /* CDR BW */, 0x1466); + } else if (pdev->id.revision == 1) { + /* DLLP Link Control register. */ + tmp = ssb_pcie_read(pc, 0x100); + tmp |= 0x40; + ssb_pcie_write(pc, 0x100, tmp); + } + } + pc->setup_done = 1; +out: + return err; +} +EXPORT_SYMBOL(ssb_pcicore_dev_irqvecs_enable); diff --git a/target/linux/generic-2.6/files/drivers/ssb/main.c b/target/linux/generic-2.6/files/drivers/ssb/main.c new file mode 100644 index 0000000000..a892f1dafc --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/main.c @@ -0,0 +1,1062 @@ +/* + * Sonics Silicon Backplane + * Subsystem core + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, 2007, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include "ssb_private.h" + +#include +#include +#include + +#ifdef CONFIG_SSB_PCIHOST +# include +#endif + +#ifdef CONFIG_SSB_PCMCIAHOST +# include +# include +# include +# include +#endif + + +MODULE_DESCRIPTION("Sonics Silicon Backplane driver"); +MODULE_LICENSE("GPL"); + + +static LIST_HEAD(attach_queue); +static LIST_HEAD(buses); +static unsigned int next_busnumber; +static DEFINE_MUTEX(buses_mutex); + +static void ssb_buses_lock(void); +static void ssb_buses_unlock(void); + + +#ifdef CONFIG_SSB_PCIHOST +struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev) +{ + struct ssb_bus *bus; + + ssb_buses_lock(); + list_for_each_entry(bus, &buses, list) { + if (bus->bustype == SSB_BUSTYPE_PCI && + bus->host_pci == pdev) + goto found; + } + bus = NULL; +found: + ssb_buses_unlock(); + + return bus; +} +#endif /* CONFIG_SSB_PCIHOST */ + +static struct ssb_device * ssb_device_get(struct ssb_device *dev) +{ + if (dev) + get_device(dev->dev); + return dev; +} + +static void ssb_device_put(struct ssb_device *dev) +{ + if (dev) + put_device(dev->dev); +} + +static int ssb_bus_resume(struct ssb_bus *bus) +{ + int err; + + ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); + err = ssb_pcmcia_init(bus); + if (err) { + /* No need to disable XTAL, as we don't have one on PCMCIA. */ + return err; + } + ssb_chipco_resume(&bus->chipco); + + return 0; +} + +static int ssb_device_resume(struct device *dev) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv; + struct ssb_bus *bus; + int err = 0; + + bus = ssb_dev->bus; + if (bus->suspend_cnt == bus->nr_devices) { + err = ssb_bus_resume(bus); + if (err) + return err; + } + bus->suspend_cnt--; + if (dev->driver) { + ssb_drv = drv_to_ssb_drv(dev->driver); + if (ssb_drv && ssb_drv->resume) + err = ssb_drv->resume(ssb_dev); + if (err) + goto out; + } +out: + return err; +} + +static void ssb_bus_suspend(struct ssb_bus *bus, pm_message_t state) +{ + ssb_chipco_suspend(&bus->chipco, state); + ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); + + /* Reset HW state information in memory, so that HW is + * completely reinitialized on resume. */ + bus->mapped_device = NULL; +#ifdef CONFIG_SSB_DRIVER_PCICORE + bus->pcicore.setup_done = 0; +#endif +} + +static int ssb_device_suspend(struct device *dev, pm_message_t state) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv; + struct ssb_bus *bus; + int err = 0; + + if (dev->driver) { + ssb_drv = drv_to_ssb_drv(dev->driver); + if (ssb_drv && ssb_drv->suspend) + err = ssb_drv->suspend(ssb_dev, state); + if (err) + goto out; + } + + bus = ssb_dev->bus; + bus->suspend_cnt++; + if (bus->suspend_cnt == bus->nr_devices) { + /* All devices suspended. Shutdown the bus. */ + ssb_bus_suspend(bus, state); + } + +out: + return err; +} + +#ifdef CONFIG_SSB_PCIHOST +int ssb_devices_freeze(struct ssb_bus *bus) +{ + struct ssb_device *dev; + struct ssb_driver *drv; + int err = 0; + int i; + pm_message_t state = PMSG_FREEZE; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (!dev->dev->driver) + continue; + if (!device_is_registered(dev->dev)) + continue; + drv = drv_to_ssb_drv(dev->dev->driver); + if (drv && drv->suspend) { + err = drv->suspend(dev, state); + if (err) + goto out; + } + } +out: + return err; +} + +int ssb_devices_thaw(struct ssb_bus *bus) +{ + struct ssb_device *dev; + struct ssb_driver *drv; + int err = 0; + int i; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (!dev->dev->driver) + continue; + if (!device_is_registered(dev->dev)) + continue; + drv = drv_to_ssb_drv(dev->dev->driver); + if (drv && drv->resume) { + err = drv->resume(dev); + if (err) + goto out; + } + } +out: + return err; +} +#endif /* CONFIG_SSB_PCIHOST */ + +static void ssb_device_shutdown(struct device *dev) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv; + + if (!dev->driver) + return; + ssb_drv = drv_to_ssb_drv(dev->driver); + if (ssb_drv && ssb_drv->shutdown) + ssb_drv->shutdown(ssb_dev); +} + +static int ssb_device_remove(struct device *dev) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver); + + if (ssb_drv && ssb_drv->remove) + ssb_drv->remove(ssb_dev); + ssb_device_put(ssb_dev); + + return 0; +} + +static int ssb_device_probe(struct device *dev) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver); + int err = 0; + + ssb_device_get(ssb_dev); + if (ssb_drv && ssb_drv->probe) + err = ssb_drv->probe(ssb_dev, &ssb_dev->id); + if (err) + ssb_device_put(ssb_dev); + + return err; +} + +static int ssb_match_devid(const struct ssb_device_id *tabid, + const struct ssb_device_id *devid) +{ + if ((tabid->vendor != devid->vendor) && + tabid->vendor != SSB_ANY_VENDOR) + return 0; + if ((tabid->coreid != devid->coreid) && + tabid->coreid != SSB_ANY_ID) + return 0; + if ((tabid->revision != devid->revision) && + tabid->revision != SSB_ANY_REV) + return 0; + return 1; +} + +static int ssb_bus_match(struct device *dev, struct device_driver *drv) +{ + struct ssb_device *ssb_dev = dev_to_ssb_dev(dev); + struct ssb_driver *ssb_drv = drv_to_ssb_drv(drv); + const struct ssb_device_id *id; + + for (id = ssb_drv->id_table; + id->vendor || id->coreid || id->revision; + id++) { + if (ssb_match_devid(id, &ssb_dev->id)) + return 1; /* found */ + } + + return 0; +} + +static struct bus_type ssb_bustype = { + .name = NULL, /* Intentionally NULL to indicate early boot */ + .match = ssb_bus_match, + .probe = ssb_device_probe, + .remove = ssb_device_remove, + .shutdown = ssb_device_shutdown, + .suspend = ssb_device_suspend, + .resume = ssb_device_resume, +}; + +#define is_early_boot() (ssb_bustype.name == NULL) + +static void ssb_buses_lock(void) +{ + if (!is_early_boot()) + mutex_lock(&buses_mutex); +} + +static void ssb_buses_unlock(void) +{ + if (!is_early_boot()) + mutex_unlock(&buses_mutex); +} + +static void ssb_devices_unregister(struct ssb_bus *bus) +{ + struct ssb_device *sdev; + int i; + + for (i = bus->nr_devices - 1; i >= 0; i--) { + sdev = &(bus->devices[i]); + if (sdev->dev) + device_unregister(sdev->dev); + } +} + +void ssb_bus_unregister(struct ssb_bus *bus) +{ + ssb_buses_lock(); + ssb_devices_unregister(bus); + list_del(&bus->list); + ssb_buses_unlock(); + + /* ssb_pcmcia_exit(bus); */ + ssb_pci_exit(bus); + ssb_iounmap(bus); +} +EXPORT_SYMBOL(ssb_bus_unregister); + +static void ssb_release_dev(struct device *dev) +{ + struct __ssb_dev_wrapper *devwrap; + + devwrap = container_of(dev, struct __ssb_dev_wrapper, dev); + kfree(devwrap); +} + +static int ssb_devices_register(struct ssb_bus *bus) +{ + struct ssb_device *sdev; + struct device *dev; + struct __ssb_dev_wrapper *devwrap; + int i, err = 0; + int dev_idx = 0; + + for (i = 0; i < bus->nr_devices; i++) { + sdev = &(bus->devices[i]); + + /* We don't register SSB-system devices to the kernel, + * as the drivers for them are built into SSB. */ + switch (sdev->id.coreid) { + case SSB_DEV_CHIPCOMMON: + case SSB_DEV_PCI: + case SSB_DEV_PCIE: + case SSB_DEV_PCMCIA: + case SSB_DEV_MIPS: + case SSB_DEV_MIPS_3302: + case SSB_DEV_EXTIF: + continue; + } + + devwrap = kzalloc(sizeof(*devwrap), GFP_KERNEL); + if (!devwrap) { + ssb_printk(KERN_ERR PFX + "Could not allocate device\n"); + err = -ENOMEM; + goto error; + } + dev = &devwrap->dev; + devwrap->sdev = sdev; + + dev->release = ssb_release_dev; + dev->bus = &ssb_bustype; + snprintf(dev->bus_id, sizeof(dev->bus_id), + "ssb%u:%d", bus->busnumber, dev_idx); + + switch (bus->bustype) { + case SSB_BUSTYPE_PCI: +#ifdef CONFIG_SSB_PCIHOST + sdev->irq = bus->host_pci->irq; + dev->parent = &bus->host_pci->dev; +#endif + break; + case SSB_BUSTYPE_PCMCIA: +#ifdef CONFIG_SSB_PCMCIAHOST + dev->parent = &bus->host_pcmcia->dev; +#endif + break; + case SSB_BUSTYPE_SSB: + break; + } + + sdev->dev = dev; + err = device_register(dev); + if (err) { + ssb_printk(KERN_ERR PFX + "Could not register %s\n", + dev->bus_id); + /* Set dev to NULL to not unregister + * dev on error unwinding. */ + sdev->dev = NULL; + kfree(devwrap); + goto error; + } + dev_idx++; + } + + return 0; +error: + /* Unwind the already registered devices. */ + ssb_devices_unregister(bus); + return err; +} + +/* Needs ssb_buses_lock() */ +static int ssb_attach_queued_buses(void) +{ + struct ssb_bus *bus, *n; + int err = 0; + int drop_them_all = 0; + + list_for_each_entry_safe(bus, n, &attach_queue, list) { + if (drop_them_all) { + list_del(&bus->list); + continue; + } + /* Can't init the PCIcore in ssb_bus_register(), as that + * is too early in boot for embedded systems + * (no udelay() available). So do it here in attach stage. + */ + ssb_pcicore_init(&bus->pcicore); + + err = ssb_devices_register(bus); + if (err) { + drop_them_all = 1; + list_del(&bus->list); + continue; + } + list_move_tail(&bus->list, &buses); + } + + return err; +} + +static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + return readw(bus->mmio + offset); +} + +static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + return readl(bus->mmio + offset); +} + +static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + writew(value, bus->mmio + offset); +} + +static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value) +{ + struct ssb_bus *bus = dev->bus; + + offset += dev->core_index * SSB_CORE_SIZE; + writel(value, bus->mmio + offset); +} + +static const struct ssb_bus_ops ssb_ssb_ops = { + .read16 = ssb_ssb_read16, + .read32 = ssb_ssb_read32, + .write16 = ssb_ssb_write16, + .write32 = ssb_ssb_write32, +}; + +static int ssb_fetch_invariants(struct ssb_bus *bus, + int (*get_invariants)(struct ssb_bus *bus, + struct ssb_init_invariants *iv)) +{ + struct ssb_init_invariants iv; + int err; + + memset(&iv, 0, sizeof(iv)); + err = get_invariants(bus, &iv); + if (err) + goto out; + memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo)); + memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom)); +out: + return err; +} + +static int ssb_bus_register(struct ssb_bus *bus, + int (*get_invariants)(struct ssb_bus *bus, + struct ssb_init_invariants *iv), + unsigned long baseaddr) +{ + int err; + + spin_lock_init(&bus->bar_lock); + INIT_LIST_HEAD(&bus->list); + + /* Powerup the bus */ + err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); + if (err) + goto out; + ssb_buses_lock(); + bus->busnumber = next_busnumber; + /* Scan for devices (cores) */ + err = ssb_bus_scan(bus, baseaddr); + if (err) + goto err_disable_xtal; + + /* Init PCI-host device (if any) */ + err = ssb_pci_init(bus); + if (err) + goto err_unmap; + /* Init PCMCIA-host device (if any) */ + err = ssb_pcmcia_init(bus); + if (err) + goto err_pci_exit; + + /* Initialize basic system devices (if available) */ + ssb_chipcommon_init(&bus->chipco); + ssb_mipscore_init(&bus->mipscore); + err = ssb_fetch_invariants(bus, get_invariants); + if (err) + goto err_pcmcia_exit; + + /* Queue it for attach */ + list_add_tail(&bus->list, &attach_queue); + if (!is_early_boot()) { + /* This is not early boot, so we must attach the bus now */ + err = ssb_attach_queued_buses(); + if (err) + goto err_dequeue; + } + next_busnumber++; + ssb_buses_unlock(); + +out: + return err; + +err_dequeue: + list_del(&bus->list); +err_pcmcia_exit: +/* ssb_pcmcia_exit(bus); */ +err_pci_exit: + ssb_pci_exit(bus); +err_unmap: + ssb_iounmap(bus); +err_disable_xtal: + ssb_buses_unlock(); + ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); + return err; +} + +#ifdef CONFIG_SSB_PCIHOST +int ssb_bus_pcibus_register(struct ssb_bus *bus, + struct pci_dev *host_pci) +{ + int err; + + bus->bustype = SSB_BUSTYPE_PCI; + bus->host_pci = host_pci; + bus->ops = &ssb_pci_ops; + + err = ssb_bus_register(bus, ssb_pci_get_invariants, 0); + if (!err) { + ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on " + "PCI device %s\n", host_pci->dev.bus_id); + } + + return err; +} +EXPORT_SYMBOL(ssb_bus_pcibus_register); +#endif /* CONFIG_SSB_PCIHOST */ + +#ifdef CONFIG_SSB_PCMCIAHOST +int ssb_bus_pcmciabus_register(struct ssb_bus *bus, + struct pcmcia_device *pcmcia_dev, + unsigned long baseaddr) +{ + int err; + + bus->bustype = SSB_BUSTYPE_PCMCIA; + bus->host_pcmcia = pcmcia_dev; + bus->ops = &ssb_pcmcia_ops; + + err = ssb_bus_register(bus, ssb_pcmcia_get_invariants, baseaddr); + if (!err) { + ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on " + "PCMCIA device %s\n", pcmcia_dev->devname); + } + + return err; +} +EXPORT_SYMBOL(ssb_bus_pcmciabus_register); +#endif /* CONFIG_SSB_PCMCIAHOST */ + +int ssb_bus_ssbbus_register(struct ssb_bus *bus, + unsigned long baseaddr, + int (*get_invariants)(struct ssb_bus *bus, + struct ssb_init_invariants *iv)) +{ + int err; + + bus->bustype = SSB_BUSTYPE_SSB; + bus->ops = &ssb_ssb_ops; + + err = ssb_bus_register(bus, get_invariants, baseaddr); + if (!err) { + ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found at " + "address 0x%08lX\n", baseaddr); + } + + return err; +} + +int __ssb_driver_register(struct ssb_driver *drv, struct module *owner) +{ + drv->drv.name = drv->name; + drv->drv.bus = &ssb_bustype; + drv->drv.owner = owner; + + return driver_register(&drv->drv); +} +EXPORT_SYMBOL(__ssb_driver_register); + +void ssb_driver_unregister(struct ssb_driver *drv) +{ + driver_unregister(&drv->drv); +} +EXPORT_SYMBOL(ssb_driver_unregister); + +void ssb_set_devtypedata(struct ssb_device *dev, void *data) +{ + struct ssb_bus *bus = dev->bus; + struct ssb_device *ent; + int i; + + for (i = 0; i < bus->nr_devices; i++) { + ent = &(bus->devices[i]); + if (ent->id.vendor != dev->id.vendor) + continue; + if (ent->id.coreid != dev->id.coreid) + continue; + + ent->devtypedata = data; + } +} +EXPORT_SYMBOL(ssb_set_devtypedata); + +static u32 clkfactor_f6_resolve(u32 v) +{ + /* map the magic values */ + switch (v) { + case SSB_CHIPCO_CLK_F6_2: + return 2; + case SSB_CHIPCO_CLK_F6_3: + return 3; + case SSB_CHIPCO_CLK_F6_4: + return 4; + case SSB_CHIPCO_CLK_F6_5: + return 5; + case SSB_CHIPCO_CLK_F6_6: + return 6; + case SSB_CHIPCO_CLK_F6_7: + return 7; + } + return 0; +} + +/* Calculate the speed the backplane would run at a given set of clockcontrol values */ +u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m) +{ + u32 n1, n2, clock, m1, m2, m3, mc; + + n1 = (n & SSB_CHIPCO_CLK_N1); + n2 = ((n & SSB_CHIPCO_CLK_N2) >> SSB_CHIPCO_CLK_N2_SHIFT); + + switch (plltype) { + case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */ + if (m & SSB_CHIPCO_CLK_T6_MMASK) + return SSB_CHIPCO_CLK_T6_M0; + return SSB_CHIPCO_CLK_T6_M1; + case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */ + case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ + case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */ + case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ + n1 = clkfactor_f6_resolve(n1); + n2 += SSB_CHIPCO_CLK_F5_BIAS; + break; + case SSB_PLLTYPE_2: /* 48Mhz, 4 dividers */ + n1 += SSB_CHIPCO_CLK_T2_BIAS; + n2 += SSB_CHIPCO_CLK_T2_BIAS; + assert((n1 >= 2) && (n1 <= 7)); + assert((n2 >= 5) && (n2 <= 23)); + break; + case SSB_PLLTYPE_5: /* 25Mhz, 4 dividers */ + return 100000000; + default: + assert(0); + } + + switch (plltype) { + case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ + case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ + clock = SSB_CHIPCO_CLK_BASE2 * n1 * n2; + break; + default: + clock = SSB_CHIPCO_CLK_BASE1 * n1 * n2; + } + if (!clock) + return 0; + + m1 = (m & SSB_CHIPCO_CLK_M1); + m2 = ((m & SSB_CHIPCO_CLK_M2) >> SSB_CHIPCO_CLK_M2_SHIFT); + m3 = ((m & SSB_CHIPCO_CLK_M3) >> SSB_CHIPCO_CLK_M3_SHIFT); + mc = ((m & SSB_CHIPCO_CLK_MC) >> SSB_CHIPCO_CLK_MC_SHIFT); + + switch (plltype) { + case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */ + case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */ + case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */ + case SSB_PLLTYPE_7: /* 25Mhz, 4 dividers */ + m1 = clkfactor_f6_resolve(m1); + if ((plltype == SSB_PLLTYPE_1) || + (plltype == SSB_PLLTYPE_3)) + m2 += SSB_CHIPCO_CLK_F5_BIAS; + else + m2 = clkfactor_f6_resolve(m2); + m3 = clkfactor_f6_resolve(m3); + + switch (mc) { + case SSB_CHIPCO_CLK_MC_BYPASS: + return clock; + case SSB_CHIPCO_CLK_MC_M1: + return (clock / m1); + case SSB_CHIPCO_CLK_MC_M1M2: + return (clock / (m1 * m2)); + case SSB_CHIPCO_CLK_MC_M1M2M3: + return (clock / (m1 * m2 * m3)); + case SSB_CHIPCO_CLK_MC_M1M3: + return (clock / (m1 * m3)); + } + return 0; + case SSB_PLLTYPE_2: + m1 += SSB_CHIPCO_CLK_T2_BIAS; + m2 += SSB_CHIPCO_CLK_T2M2_BIAS; + m3 += SSB_CHIPCO_CLK_T2_BIAS; + assert((m1 >= 2) && (m1 <= 7)); + assert((m2 >= 3) && (m2 <= 10)); + assert((m3 >= 2) && (m3 <= 7)); + + if (!(mc & SSB_CHIPCO_CLK_T2MC_M1BYP)) + clock /= m1; + if (!(mc & SSB_CHIPCO_CLK_T2MC_M2BYP)) + clock /= m2; + if (!(mc & SSB_CHIPCO_CLK_T2MC_M3BYP)) + clock /= m3; + return clock; + default: + assert(0); + } + return 0; +} + +/* Get the current speed the backplane is running at */ +u32 ssb_clockspeed(struct ssb_bus *bus) +{ + u32 rate; + u32 plltype; + u32 clkctl_n, clkctl_m; + + //TODO if EXTIF: PLLTYPE == 1, read n from clockcontrol_n, m from clockcontrol_sb + + if (bus->chipco.dev) { + ssb_chipco_get_clockcontrol(&bus->chipco, &plltype, + &clkctl_n, &clkctl_m); + } else + return 0; + + if (bus->chip_id == 0x5365) { + rate = 100000000; + } else { + rate = ssb_calc_clock_rate(plltype, clkctl_n, clkctl_m); + if (plltype == SSB_PLLTYPE_3) /* 25Mhz, 2 dividers */ + rate /= 2; + } + + return rate; +} +EXPORT_SYMBOL(ssb_clockspeed); + +static u32 ssb_tmslow_reject_bitmask(struct ssb_device *dev) +{ + /* The REJECT bit changed position in TMSLOW between + * Backplane revisions. */ + switch (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV) { + case SSB_IDLOW_SSBREV_22: + return SSB_TMSLOW_REJECT_22; + case SSB_IDLOW_SSBREV_23: + return SSB_TMSLOW_REJECT_23; + default: + assert(0); + } + return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23); +} + +int ssb_device_is_enabled(struct ssb_device *dev) +{ + u32 val; + u32 reject; + + reject = ssb_tmslow_reject_bitmask(dev); + val = ssb_read32(dev, SSB_TMSLOW); + val &= SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET | reject; + + return (val == SSB_TMSLOW_CLOCK); +} +EXPORT_SYMBOL(ssb_device_is_enabled); + +void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags) +{ + u32 val; + + ssb_device_disable(dev, core_specific_flags); + ssb_write32(dev, SSB_TMSLOW, + SSB_TMSLOW_RESET | SSB_TMSLOW_CLOCK | + SSB_TMSLOW_FGC | core_specific_flags); + /* flush */ + ssb_read32(dev, SSB_TMSLOW); + udelay(1); + + /* Clear SERR if set. This is a hw bug workaround. */ + if (ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_SERR) + ssb_write32(dev, SSB_TMSHIGH, 0); + + val = ssb_read32(dev, SSB_IMSTATE); + if (val & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { + val &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); + ssb_write32(dev, SSB_IMSTATE, val); + } + + ssb_write32(dev, SSB_TMSLOW, + SSB_TMSLOW_CLOCK | SSB_TMSLOW_FGC | + core_specific_flags); + /* flush */ + ssb_read32(dev, SSB_TMSLOW); + udelay(1); + + ssb_write32(dev, SSB_TMSLOW, SSB_TMSLOW_CLOCK | + core_specific_flags); + /* flush */ + ssb_read32(dev, SSB_TMSLOW); + udelay(1); +} +EXPORT_SYMBOL(ssb_device_enable); + +static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask, + int timeout, int set) +{ + int i; + u32 val; + + for (i = 0; i < timeout; i++) { + val = ssb_read32(dev, reg); + if (set) { + if (val & bitmask) + return 0; + } else { + if (!(val & bitmask)) + return 0; + } + udelay(10); + } + printk(KERN_ERR PFX "Timeout waiting for bitmask %08X on " + "register %04X to %s.\n", + bitmask, reg, (set ? "set" : "clear")); + + return -ETIMEDOUT; +} + +void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags) +{ + u32 reject; + + if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET) + return; + + reject = ssb_tmslow_reject_bitmask(dev); + ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK); + ssb_wait_bit(dev, SSB_TMSLOW, reject, 1000, 1); + ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0); + ssb_write32(dev, SSB_TMSLOW, + SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | + reject | SSB_TMSLOW_RESET | + core_specific_flags); + /* flush */ + ssb_read32(dev, SSB_TMSLOW); + udelay(1); + + ssb_write32(dev, SSB_TMSLOW, + reject | SSB_TMSLOW_RESET | + core_specific_flags); + /* flush */ + ssb_read32(dev, SSB_TMSLOW); + udelay(1); +} +EXPORT_SYMBOL(ssb_device_disable); + +u32 ssb_dma_translation(struct ssb_device *dev) +{ + switch(dev->bus->bustype) { + case SSB_BUSTYPE_SSB: + return 0; + case SSB_BUSTYPE_PCI: + case SSB_BUSTYPE_PCMCIA: + return SSB_PCI_DMA; + } + return 0; +} +EXPORT_SYMBOL(ssb_dma_translation); + +int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask) +{ + struct device *dev = ssb_dev->dev; + +#ifdef CONFIG_SSB_PCIHOST + if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI && + !dma_supported(dev, mask)) + return -EIO; +#endif + dev->coherent_dma_mask = mask; + dev->dma_mask = &dev->coherent_dma_mask; + + return 0; +} +EXPORT_SYMBOL(ssb_dma_set_mask); + +int ssb_bus_may_powerdown(struct ssb_bus *bus) +{ + struct ssb_chipcommon *cc; + int err; + + /* On buses where more than one core may be working + * at a time, we must not powerdown stuff if there are + * still cores that may want to run. */ + if (bus->bustype == SSB_BUSTYPE_SSB) + return 0; + + cc = &bus->chipco; + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW); + err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); + if (err) + goto error; + + return 0; +error: + ssb_printk(KERN_ERR PFX "Bus powerdown failed\n"); + return err; +} +EXPORT_SYMBOL(ssb_bus_may_powerdown); + +int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl) +{ + struct ssb_chipcommon *cc; + int err; + enum ssb_clkmode mode; + + err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1); + if (err) + goto error; + cc = &bus->chipco; + mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST; + ssb_chipco_set_clockmode(cc, mode); + + return 0; +error: + ssb_printk(KERN_ERR PFX "Bus powerup failed\n"); + return err; +} +EXPORT_SYMBOL(ssb_bus_powerup); + +u32 ssb_admatch_base(u32 adm) +{ + u32 base = 0; + + switch (adm & SSB_ADM_TYPE) { + case SSB_ADM_TYPE0: + base = (adm & SSB_ADM_BASE0); + break; + case SSB_ADM_TYPE1: + assert(!(adm & SSB_ADM_NEG)); /* unsupported */ + base = (adm & SSB_ADM_BASE1); + break; + case SSB_ADM_TYPE2: + assert(!(adm & SSB_ADM_NEG)); /* unsupported */ + base = (adm & SSB_ADM_BASE2); + break; + default: + assert(0); + } + + return base; +} +EXPORT_SYMBOL(ssb_admatch_base); + +u32 ssb_admatch_size(u32 adm) +{ + u32 size = 0; + + switch (adm & SSB_ADM_TYPE) { + case SSB_ADM_TYPE0: + size = ((adm & SSB_ADM_SZ0) >> SSB_ADM_SZ0_SHIFT); + break; + case SSB_ADM_TYPE1: + assert(!(adm & SSB_ADM_NEG)); /* unsupported */ + size = ((adm & SSB_ADM_SZ1) >> SSB_ADM_SZ1_SHIFT); + break; + case SSB_ADM_TYPE2: + assert(!(adm & SSB_ADM_NEG)); /* unsupported */ + size = ((adm & SSB_ADM_SZ2) >> SSB_ADM_SZ2_SHIFT); + break; + default: + assert(0); + } + size = (1 << (size + 1)); + + return size; +} +EXPORT_SYMBOL(ssb_admatch_size); + +static int __init ssb_modinit(void) +{ + int err; + + ssb_bustype.name = "ssb"; + err = bus_register(&ssb_bustype); + if (err) + return err; + + /* Maybe we already registered some buses at early boot. + * Check for this and attach them + */ + ssb_buses_lock(); + err = ssb_attach_queued_buses(); + ssb_buses_unlock(); + if (err) + bus_unregister(&ssb_bustype); + + return err; +} +subsys_initcall(ssb_modinit); + +static void __exit ssb_modexit(void) +{ + bus_unregister(&ssb_bustype); +} +module_exit(ssb_modexit) diff --git a/target/linux/generic-2.6/files/drivers/ssb/pci.c b/target/linux/generic-2.6/files/drivers/ssb/pci.c new file mode 100644 index 0000000000..f9dc28f51f --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/pci.c @@ -0,0 +1,688 @@ +/* + * Sonics Silicon Backplane PCI-Hostbus related functions. + * + * Copyright (C) 2005-2006 Michael Buesch + * Copyright (C) 2005 Martin Langer + * Copyright (C) 2005 Stefano Brivio + * Copyright (C) 2005 Danny van Dyk + * Copyright (C) 2005 Andreas Jaggi + * + * Derived from the Broadcom 4400 device driver. + * Copyright (C) 2002 David S. Miller (davem@redhat.com) + * Fixed by Pekka Pietikainen (pp@ee.oulu.fi) + * Copyright (C) 2006 Broadcom Corporation. + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include +#include + +#include "ssb_private.h" + + +int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx) +{ + int err; + int attempts = 0; + u32 cur_core; + + while (1) { + err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN, + (coreidx * SSB_CORE_SIZE) + + SSB_ENUM_BASE); + if (err) + goto error; + err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN, + &cur_core); + if (err) + goto error; + cur_core = (cur_core - SSB_ENUM_BASE) + / SSB_CORE_SIZE; + if (cur_core == coreidx) + break; + + if (attempts++ > SSB_BAR0_MAX_RETRIES) + goto error; + udelay(10); + } + return 0; +error: + ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); + return -ENODEV; +} + +int ssb_pci_switch_core(struct ssb_bus *bus, + struct ssb_device *dev) +{ + int err; + unsigned long flags; + + ssb_dprintk(KERN_INFO PFX + "Switching to %s core, index %d\n", + ssb_core_name(dev->id.coreid), + dev->core_index); + + spin_lock_irqsave(&bus->bar_lock, flags); + err = ssb_pci_switch_coreidx(bus, dev->core_index); + if (!err) + bus->mapped_device = dev; + spin_unlock_irqrestore(&bus->bar_lock, flags); + + return err; +} + +int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on) +{ + int err; + u32 in, out, outenable; + u16 pci_status; + + if (bus->bustype != SSB_BUSTYPE_PCI) + return 0; + + err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in); + if (err) + goto err_pci; + err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out); + if (err) + goto err_pci; + err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable); + if (err) + goto err_pci; + + outenable |= what; + + if (turn_on) { + /* Avoid glitching the clock if GPRS is already using it. + * We can't actually read the state of the PLLPD so we infer it + * by the value of XTAL_PU which *is* readable via gpioin. + */ + if (!(in & SSB_GPIO_XTAL)) { + if (what & SSB_GPIO_XTAL) { + /* Turn the crystal on */ + out |= SSB_GPIO_XTAL; + if (what & SSB_GPIO_PLL) + out |= SSB_GPIO_PLL; + err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); + if (err) + goto err_pci; + err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, + outenable); + if (err) + goto err_pci; + msleep(1); + } + if (what & SSB_GPIO_PLL) { + /* Turn the PLL on */ + out &= ~SSB_GPIO_PLL; + err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); + if (err) + goto err_pci; + msleep(5); + } + } + + err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status); + if (err) + goto err_pci; + pci_status &= ~PCI_STATUS_SIG_TARGET_ABORT; + err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status); + if (err) + goto err_pci; + } else { + if (what & SSB_GPIO_XTAL) { + /* Turn the crystal off */ + out &= ~SSB_GPIO_XTAL; + } + if (what & SSB_GPIO_PLL) { + /* Turn the PLL off */ + out |= SSB_GPIO_PLL; + } + err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out); + if (err) + goto err_pci; + err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable); + if (err) + goto err_pci; + } + +out: + return err; + +err_pci: + printk(KERN_ERR PFX "Error: ssb_pci_xtal() could not access PCI config space!\n"); + err = -EBUSY; + goto out; +} + +#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16)) +#define SPEX(_outvar, _offset, _mask, _shift) \ + out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift)) + +static inline u8 ssb_crc8(u8 crc, u8 data) +{ + /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */ + static const u8 t[] = { + 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, + 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, + 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, + 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, + 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, + 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, + 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, + 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, + 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, + 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, + 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, + 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, + 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, + 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, + 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, + 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, + 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, + 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, + 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, + 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, + 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, + 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, + 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, + 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, + 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, + 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, + 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, + 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, + 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, + 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, + 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, + 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F, + }; + return t[crc ^ data]; +} + +static u8 ssb_sprom_crc(const u16 *sprom) +{ + int word; + u8 crc = 0xFF; + + for (word = 0; word < SSB_SPROMSIZE_WORDS - 1; word++) { + crc = ssb_crc8(crc, sprom[word] & 0x00FF); + crc = ssb_crc8(crc, (sprom[word] & 0xFF00) >> 8); + } + crc = ssb_crc8(crc, sprom[SPOFF(SSB_SPROM_REVISION)] & 0x00FF); + crc ^= 0xFF; + + return crc; +} + +static int sprom_check_crc(const u16 *sprom) +{ + u8 crc; + u8 expected_crc; + u16 tmp; + + crc = ssb_sprom_crc(sprom); + tmp = sprom[SPOFF(SSB_SPROM_REVISION)] & SSB_SPROM_REVISION_CRC; + expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT; + if (crc != expected_crc) + return -EPROTO; + + return 0; +} + +static void sprom_do_read(struct ssb_bus *bus, u16 *sprom) +{ + int i; + + for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) + sprom[i] = readw(bus->mmio + SSB_SPROM_BASE + (i * 2)); +} + +static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom) +{ + struct pci_dev *pdev = bus->host_pci; + int i, err; + u32 spromctl; + + ssb_printk(KERN_NOTICE PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n"); + err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); + if (err) + goto err_ctlreg; + spromctl |= SSB_SPROMCTL_WE; + err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); + if (err) + goto err_ctlreg; + ssb_printk(KERN_NOTICE PFX "[ 0%%"); + msleep(500); + for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) { + if (i == SSB_SPROMSIZE_WORDS / 4) + ssb_printk("25%%"); + else if (i == SSB_SPROMSIZE_WORDS / 2) + ssb_printk("50%%"); + else if (i == (SSB_SPROMSIZE_WORDS / 4) * 3) + ssb_printk("75%%"); + else if (i % 2) + ssb_printk("."); + writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2)); + mmiowb(); + msleep(20); + } + err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl); + if (err) + goto err_ctlreg; + spromctl &= ~SSB_SPROMCTL_WE; + err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl); + if (err) + goto err_ctlreg; + msleep(500); + ssb_printk("100%% ]\n"); + ssb_printk(KERN_NOTICE PFX "SPROM written.\n"); + + return 0; +err_ctlreg: + ssb_printk(KERN_ERR PFX "Could not access SPROM control register.\n"); + return err; +} + +static void sprom_extract_r1(struct ssb_sprom_r1 *out, const u16 *in) +{ + int i; + u16 v; + + SPEX(pci_spid, SSB_SPROM1_SPID, 0xFFFF, 0); + SPEX(pci_svid, SSB_SPROM1_SVID, 0xFFFF, 0); + SPEX(pci_pid, SSB_SPROM1_PID, 0xFFFF, 0); + for (i = 0; i < 3; i++) { + v = in[SPOFF(SSB_SPROM1_IL0MAC) + i]; + *(((u16 *)out->il0mac) + i) = cpu_to_be16(v); + } + for (i = 0; i < 3; i++) { + v = in[SPOFF(SSB_SPROM1_ET0MAC) + i]; + *(((u16 *)out->et0mac) + i) = cpu_to_be16(v); + } + for (i = 0; i < 3; i++) { + v = in[SPOFF(SSB_SPROM1_ET1MAC) + i]; + *(((u16 *)out->et1mac) + i) = cpu_to_be16(v); + } + SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0); + SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A, + SSB_SPROM1_ETHPHY_ET1A_SHIFT); + SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14); + SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15); + SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0); + SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE, + SSB_SPROM1_BINF_CCODE_SHIFT); + SPEX(antenna_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA, + SSB_SPROM1_BINF_ANTA_SHIFT); + SPEX(antenna_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG, + SSB_SPROM1_BINF_ANTBG_SHIFT); + SPEX(pa0b0, SSB_SPROM1_PA0B0, 0xFFFF, 0); + SPEX(pa0b1, SSB_SPROM1_PA0B1, 0xFFFF, 0); + SPEX(pa0b2, SSB_SPROM1_PA0B2, 0xFFFF, 0); + SPEX(pa1b0, SSB_SPROM1_PA1B0, 0xFFFF, 0); + SPEX(pa1b1, SSB_SPROM1_PA1B1, 0xFFFF, 0); + SPEX(pa1b2, SSB_SPROM1_PA1B2, 0xFFFF, 0); + SPEX(gpio0, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P0, 0); + SPEX(gpio1, SSB_SPROM1_GPIOA, SSB_SPROM1_GPIOA_P1, + SSB_SPROM1_GPIOA_P1_SHIFT); + SPEX(gpio2, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P2, 0); + SPEX(gpio3, SSB_SPROM1_GPIOB, SSB_SPROM1_GPIOB_P3, + SSB_SPROM1_GPIOB_P3_SHIFT); + SPEX(maxpwr_a, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_A, + SSB_SPROM1_MAXPWR_A_SHIFT); + SPEX(maxpwr_bg, SSB_SPROM1_MAXPWR, SSB_SPROM1_MAXPWR_BG, 0); + SPEX(itssi_a, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_A, + SSB_SPROM1_ITSSI_A_SHIFT); + SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0); + SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0); + SPEX(antenna_gain_a, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_A, 0); + SPEX(antenna_gain_bg, SSB_SPROM1_AGAIN, SSB_SPROM1_AGAIN_BG, + SSB_SPROM1_AGAIN_BG_SHIFT); + for (i = 0; i < 4; i++) { + v = in[SPOFF(SSB_SPROM1_OEM) + i]; + *(((u16 *)out->oem) + i) = cpu_to_le16(v); + } +} + +static void sprom_extract_r2(struct ssb_sprom_r2 *out, const u16 *in) +{ + int i; + u16 v; + + SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0); + SPEX(maxpwr_a_hi, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0); + SPEX(maxpwr_a_lo, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO, + SSB_SPROM2_MAXP_A_LO_SHIFT); + SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0); + SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0); + SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0); + SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0); + SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0); + SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0); + SPEX(ofdm_pwr_off, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0); + for (i = 0; i < 4; i++) { + v = in[SPOFF(SSB_SPROM2_CCODE) + i]; + *(((u16 *)out->country_str) + i) = cpu_to_le16(v); + } +} + +static void sprom_extract_r3(struct ssb_sprom_r3 *out, const u16 *in) +{ + out->ofdmapo = (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0xFF00) >> 8; + out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 0] & 0x00FF) << 8; + out->ofdmapo <<= 16; + out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0xFF00) >> 8; + out->ofdmapo |= (in[SPOFF(SSB_SPROM3_OFDMAPO) + 1] & 0x00FF) << 8; + + out->ofdmalpo = (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0xFF00) >> 8; + out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 0] & 0x00FF) << 8; + out->ofdmalpo <<= 16; + out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0xFF00) >> 8; + out->ofdmalpo |= (in[SPOFF(SSB_SPROM3_OFDMALPO) + 1] & 0x00FF) << 8; + + out->ofdmahpo = (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0xFF00) >> 8; + out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 0] & 0x00FF) << 8; + out->ofdmahpo <<= 16; + out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0xFF00) >> 8; + out->ofdmahpo |= (in[SPOFF(SSB_SPROM3_OFDMAHPO) + 1] & 0x00FF) << 8; + + SPEX(gpioldc_on_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_ON, + SSB_SPROM3_GPIOLDC_ON_SHIFT); + SPEX(gpioldc_off_cnt, SSB_SPROM3_GPIOLDC, SSB_SPROM3_GPIOLDC_OFF, + SSB_SPROM3_GPIOLDC_OFF_SHIFT); + SPEX(cckpo_1M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_1M, 0); + SPEX(cckpo_2M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_2M, + SSB_SPROM3_CCKPO_2M_SHIFT); + SPEX(cckpo_55M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_55M, + SSB_SPROM3_CCKPO_55M_SHIFT); + SPEX(cckpo_11M, SSB_SPROM3_CCKPO, SSB_SPROM3_CCKPO_11M, + SSB_SPROM3_CCKPO_11M_SHIFT); + + out->ofdmgpo = (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0xFF00) >> 8; + out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 0] & 0x00FF) << 8; + out->ofdmgpo <<= 16; + out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0xFF00) >> 8; + out->ofdmgpo |= (in[SPOFF(SSB_SPROM3_OFDMGPO) + 1] & 0x00FF) << 8; +} + +static int sprom_extract(struct ssb_bus *bus, + struct ssb_sprom *out, const u16 *in) +{ + memset(out, 0, sizeof(*out)); + + SPEX(revision, SSB_SPROM_REVISION, SSB_SPROM_REVISION_REV, 0); + SPEX(crc, SSB_SPROM_REVISION, SSB_SPROM_REVISION_CRC, + SSB_SPROM_REVISION_CRC_SHIFT); + + if ((bus->chip_id & 0xFF00) == 0x4400) { + /* Workaround: The BCM44XX chip has a stupid revision + * number stored in the SPROM. + * Always extract r1. */ + sprom_extract_r1(&out->r1, in); + } else { + if (out->revision == 0) + goto unsupported; + if (out->revision >= 1 && out->revision <= 3) + sprom_extract_r1(&out->r1, in); + if (out->revision >= 2 && out->revision <= 3) + sprom_extract_r2(&out->r2, in); + if (out->revision == 3) + sprom_extract_r3(&out->r3, in); + if (out->revision >= 4) + goto unsupported; + } + + return 0; +unsupported: + ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d " + "detected. Will extract v1\n", out->revision); + sprom_extract_r1(&out->r1, in); + return 0; +} + +static int ssb_pci_sprom_get(struct ssb_bus *bus, + struct ssb_sprom *sprom) +{ + int err = -ENOMEM; + u16 *buf; + + buf = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); + if (!buf) + goto out; + sprom_do_read(bus, buf); + err = sprom_check_crc(buf); + if (err) { + ssb_printk(KERN_WARNING PFX + "WARNING: Invalid SPROM CRC (corrupt SPROM)\n"); + } + err = sprom_extract(bus, sprom, buf); + + kfree(buf); +out: + return err; +} + +static void ssb_pci_get_boardinfo(struct ssb_bus *bus, + struct ssb_boardinfo *bi) +{ + pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID, + &bi->vendor); + pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID, + &bi->type); + pci_read_config_word(bus->host_pci, PCI_REVISION_ID, + &bi->rev); +} + +int ssb_pci_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv) +{ + int err; + + err = ssb_pci_sprom_get(bus, &iv->sprom); + if (err) + goto out; + ssb_pci_get_boardinfo(bus, &iv->boardinfo); + +out: + return err; +} + +static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(bus->mapped_device != dev)) { + if (unlikely(ssb_pci_switch_core(bus, dev))) + return 0xFFFF; + } + return readw(bus->mmio + offset); +} + +static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(bus->mapped_device != dev)) { + if (unlikely(ssb_pci_switch_core(bus, dev))) + return 0xFFFFFFFF; + } + return readl(bus->mmio + offset); +} + +static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(bus->mapped_device != dev)) { + if (unlikely(ssb_pci_switch_core(bus, dev))) + return; + } + writew(value, bus->mmio + offset); +} + +static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(bus->mapped_device != dev)) { + if (unlikely(ssb_pci_switch_core(bus, dev))) + return; + } + writel(value, bus->mmio + offset); +} + +const struct ssb_bus_ops ssb_pci_ops = { + .read16 = ssb_pci_read16, + .read32 = ssb_pci_read32, + .write16 = ssb_pci_write16, + .write32 = ssb_pci_write32, +}; + +static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len) +{ + int i, pos = 0; + + for (i = 0; i < SSB_SPROMSIZE_WORDS; i++) { + pos += snprintf(buf + pos, buf_len - pos - 1, + "%04X", swab16(sprom[i]) & 0xFFFF); + } + pos += snprintf(buf + pos, buf_len - pos - 1, "\n"); + + return pos + 1; +} + +static int hex2sprom(u16 *sprom, const char *dump, size_t len) +{ + char tmp[5] = { 0 }; + int cnt = 0; + unsigned long parsed; + + if (len < SSB_SPROMSIZE_BYTES * 2) + return -EINVAL; + + while (cnt < SSB_SPROMSIZE_WORDS) { + memcpy(tmp, dump, 4); + dump += 4; + parsed = simple_strtoul(tmp, NULL, 16); + sprom[cnt++] = swab16((u16)parsed); + } + + return 0; +} + +static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev, + struct device_attribute *attr, + char *buf) +{ + struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); + struct ssb_bus *bus; + u16 *sprom; + int err = -ENODEV; + ssize_t count = 0; + + bus = ssb_pci_dev_to_bus(pdev); + if (!bus) + goto out; + err = -ENOMEM; + sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); + if (!sprom) + goto out; + + err = -ERESTARTSYS; + if (mutex_lock_interruptible(&bus->pci_sprom_mutex)) + goto out_kfree; + sprom_do_read(bus, sprom); + mutex_unlock(&bus->pci_sprom_mutex); + + count = sprom2hex(sprom, buf, PAGE_SIZE); + err = 0; + +out_kfree: + kfree(sprom); +out: + return err ? err : count; +} + +static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev); + struct ssb_bus *bus; + u16 *sprom; + int res = 0, err = -ENODEV; + + bus = ssb_pci_dev_to_bus(pdev); + if (!bus) + goto out; + err = -ENOMEM; + sprom = kcalloc(SSB_SPROMSIZE_WORDS, sizeof(u16), GFP_KERNEL); + if (!sprom) + goto out; + err = hex2sprom(sprom, buf, count); + if (err) { + err = -EINVAL; + goto out_kfree; + } + err = sprom_check_crc(sprom); + if (err) { + err = -EINVAL; + goto out_kfree; + } + + err = -ERESTARTSYS; + if (mutex_lock_interruptible(&bus->pci_sprom_mutex)) + goto out_kfree; + err = ssb_devices_freeze(bus); + if (err) { + ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n"); + goto out_unlock; + } + res = sprom_do_write(bus, sprom); + err = ssb_devices_thaw(bus); + if (err) + ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n"); +out_unlock: + mutex_unlock(&bus->pci_sprom_mutex); +out_kfree: + kfree(sprom); +out: + if (res) + return res; + return err ? err : count; +} + +static DEVICE_ATTR(ssb_sprom, 0600, + ssb_pci_attr_sprom_show, + ssb_pci_attr_sprom_store); + +void ssb_pci_exit(struct ssb_bus *bus) +{ + struct pci_dev *pdev; + + if (bus->bustype != SSB_BUSTYPE_PCI) + return; + + pdev = bus->host_pci; + device_remove_file(&pdev->dev, &dev_attr_ssb_sprom); +} + +int ssb_pci_init(struct ssb_bus *bus) +{ + struct pci_dev *pdev; + int err; + + if (bus->bustype != SSB_BUSTYPE_PCI) + return 0; + + pdev = bus->host_pci; + mutex_init(&bus->pci_sprom_mutex); + err = device_create_file(&pdev->dev, &dev_attr_ssb_sprom); + if (err) + goto out; + +out: + return err; +} diff --git a/target/linux/generic-2.6/files/drivers/ssb/pcihost_wrapper.c b/target/linux/generic-2.6/files/drivers/ssb/pcihost_wrapper.c new file mode 100644 index 0000000000..82a10abef6 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/pcihost_wrapper.c @@ -0,0 +1,104 @@ +/* + * Sonics Silicon Backplane + * PCI Hostdevice wrapper + * + * Copyright (c) 2005 Martin Langer + * Copyright (c) 2005 Stefano Brivio + * Copyright (c) 2005 Danny van Dyk + * Copyright (c) 2005 Andreas Jaggi + * Copyright (c) 2005-2007 Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include + + +#ifdef CONFIG_PM +static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state) +{ + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + return 0; +} + +static int ssb_pcihost_resume(struct pci_dev *dev) +{ + int err; + + pci_set_power_state(dev, 0); + err = pci_enable_device(dev); + if (err) + return err; + pci_restore_state(dev); + + return 0; +} +#else /* CONFIG_PM */ +# define ssb_pcihost_suspend NULL +# define ssb_pcihost_resume NULL +#endif /* CONFIG_PM */ + +static int ssb_pcihost_probe(struct pci_dev *dev, + const struct pci_device_id *id) +{ + struct ssb_bus *ssb; + int err = -ENOMEM; + const char *name; + + ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); + if (!ssb) + goto out; + err = pci_enable_device(dev); + if (err) + goto err_kfree_ssb; + name = dev->dev.bus_id; + if (dev->driver && dev->driver->name) + name = dev->driver->name; + err = pci_request_regions(dev, name); + if (err) + goto err_pci_disable; + pci_set_master(dev); + + err = ssb_bus_pcibus_register(ssb, dev); + if (err) + goto err_pci_release_regions; + + pci_set_drvdata(dev, ssb); + +out: + return err; + +err_pci_release_regions: + pci_release_regions(dev); +err_pci_disable: + pci_disable_device(dev); +err_kfree_ssb: + kfree(ssb); + return err; +} + +static void ssb_pcihost_remove(struct pci_dev *dev) +{ + struct ssb_bus *ssb = pci_get_drvdata(dev); + + ssb_bus_unregister(ssb); + pci_release_regions(dev); + pci_disable_device(dev); + kfree(ssb); + pci_set_drvdata(dev, NULL); +} + +int ssb_pcihost_register(struct pci_driver *driver) +{ + driver->probe = ssb_pcihost_probe; + driver->remove = ssb_pcihost_remove; + driver->suspend = ssb_pcihost_suspend; + driver->resume = ssb_pcihost_resume; + + return pci_register_driver(driver); +} +EXPORT_SYMBOL(ssb_pcihost_register); diff --git a/target/linux/generic-2.6/files/drivers/ssb/pcmcia.c b/target/linux/generic-2.6/files/drivers/ssb/pcmcia.c new file mode 100644 index 0000000000..b9085633eb --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/pcmcia.c @@ -0,0 +1,263 @@ +/* + * Sonics Silicon Backplane + * PCMCIA-Hostbus related functions + * + * Copyright 2006 Johannes Berg + * Copyright 2007 Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "ssb_private.h" + + +int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, + u8 coreidx) +{ + struct pcmcia_device *pdev = bus->host_pcmcia; + int err; + int attempts = 0; + u32 cur_core; + conf_reg_t reg; + u32 addr; + u32 read_addr; + + addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE; + while (1) { + reg.Action = CS_WRITE; + reg.Offset = 0x2E; + reg.Value = (addr & 0x0000F000) >> 12; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + reg.Offset = 0x30; + reg.Value = (addr & 0x00FF0000) >> 16; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + reg.Offset = 0x32; + reg.Value = (addr & 0xFF000000) >> 24; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + + read_addr = 0; + + reg.Action = CS_READ; + reg.Offset = 0x2E; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + read_addr |= (reg.Value & 0xF) << 12; + reg.Offset = 0x30; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + read_addr |= reg.Value << 16; + reg.Offset = 0x32; + err = pcmcia_access_configuration_register(pdev, ®); + if (err != CS_SUCCESS) + goto error; + read_addr |= reg.Value << 24; + + cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE; + if (cur_core == coreidx) + break; + + if (attempts++ > SSB_BAR0_MAX_RETRIES) + goto error; + udelay(10); + } + + return 0; +error: + ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx); + return -ENODEV; +} + +int ssb_pcmcia_switch_core(struct ssb_bus *bus, + struct ssb_device *dev) +{ + int err; + unsigned long flags; + + ssb_dprintk(KERN_INFO PFX + "Switching to %s core, index %d\n", + ssb_core_name(dev->id.coreid), + dev->core_index); + + spin_lock_irqsave(&bus->bar_lock, flags); + err = ssb_pcmcia_switch_coreidx(bus, dev->core_index); + if (!err) + bus->mapped_device = dev; + spin_unlock_irqrestore(&bus->bar_lock, flags); + + return err; +} + +int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg) +{ + int attempts = 0; + unsigned long flags; + conf_reg_t reg; + int res, err = 0; + + assert(seg == 0 || seg == 1); + reg.Offset = 0x34; + reg.Function = 0; + spin_lock_irqsave(&bus->bar_lock, flags); + while (1) { + reg.Action = CS_WRITE; + reg.Value = seg; + res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); + if (unlikely(res != CS_SUCCESS)) + goto error; + reg.Value = 0xFF; + reg.Action = CS_READ; + res = pcmcia_access_configuration_register(bus->host_pcmcia, ®); + if (unlikely(res != CS_SUCCESS)) + goto error; + + if (reg.Value == seg) + break; + + if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES)) + goto error; + udelay(10); + } + bus->mapped_pcmcia_seg = seg; +out_unlock: + spin_unlock_irqrestore(&bus->bar_lock, flags); + return err; +error: + ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n"); + err = -ENODEV; + goto out_unlock; +} + +static inline int do_select_core(struct ssb_bus *bus, + struct ssb_device *dev, + u16 *offset) +{ + int err; + u8 need_seg = (*offset >= 0x800) ? 1 : 0; + + if (unlikely(dev != bus->mapped_device)) { + err = ssb_pcmcia_switch_core(bus, dev); + if (unlikely(err)) + return err; + } + if (unlikely(need_seg != bus->mapped_pcmcia_seg)) { + err = ssb_pcmcia_switch_segment(bus, need_seg); + if (unlikely(err)) + return err; + } + if (need_seg == 1) + *offset -= 0x800; + + return 0; +} + +static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + u16 x; + + if (unlikely(do_select_core(bus, dev, &offset))) + return 0xFFFF; + x = readw(bus->mmio + offset); +//printk("R16 0x%04X, 0x%04X\n", offset, x); + return x; +} + +static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset) +{ + struct ssb_bus *bus = dev->bus; + u32 x; + + if (unlikely(do_select_core(bus, dev, &offset))) + return 0xFFFFFFFF; + x = readl(bus->mmio + offset); +//printk("R32 0x%04X, 0x%08X\n", offset, x); + return x; +} + +static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(do_select_core(bus, dev, &offset))) + return; +//printk("W16 0x%04X, 0x%04X\n", offset, value); + writew(value, bus->mmio + offset); +} + +static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value) +{ + struct ssb_bus *bus = dev->bus; + + if (unlikely(do_select_core(bus, dev, &offset))) + return; +//printk("W32 0x%04X, 0x%08X\n", offset, value); + readw(bus->mmio + offset); + writew(value >> 16, bus->mmio + offset + 2); + readw(bus->mmio + offset); + writew(value, bus->mmio + offset); +} + +const struct ssb_bus_ops ssb_pcmcia_ops = { + .read16 = ssb_pcmcia_read16, + .read32 = ssb_pcmcia_read32, + .write16 = ssb_pcmcia_write16, + .write32 = ssb_pcmcia_write32, +}; + +int ssb_pcmcia_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv) +{ + //TODO + return 0; +} + +int ssb_pcmcia_init(struct ssb_bus *bus) +{ + conf_reg_t reg; + int err; + + if (bus->bustype != SSB_BUSTYPE_PCMCIA) + return 0; + + /* Switch segment to a known state and sync + * bus->mapped_pcmcia_seg with hardware state. */ + ssb_pcmcia_switch_segment(bus, 0); + + /* Init IRQ routing */ + reg.Action = CS_READ; + reg.Function = 0; + if (bus->chip_id == 0x4306) + reg.Offset = 0x00; + else + reg.Offset = 0x80; + err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); + if (err != CS_SUCCESS) + goto error; + reg.Action = CS_WRITE; + reg.Value |= 0x04 | 0x01; + err = pcmcia_access_configuration_register(bus->host_pcmcia, ®); + if (err != CS_SUCCESS) + goto error; + + return 0; +error: + return -ENODEV; +} diff --git a/target/linux/generic-2.6/files/drivers/ssb/scan.c b/target/linux/generic-2.6/files/drivers/ssb/scan.c new file mode 100644 index 0000000000..b5d909c3a5 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/scan.c @@ -0,0 +1,415 @@ +/* + * Sonics Silicon Backplane + * Bus scanning + * + * Copyright (C) 2005-2007 Michael Buesch + * Copyright (C) 2005 Martin Langer + * Copyright (C) 2005 Stefano Brivio + * Copyright (C) 2005 Danny van Dyk + * Copyright (C) 2005 Andreas Jaggi + * Copyright (C) 2006 Broadcom Corporation. + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include +#include + +#ifdef CONFIG_SSB_PCMCIAHOST +# include +# include +# include +# include +#endif + +#include "ssb_private.h" + + +const char * ssb_core_name(u16 coreid) +{ + switch (coreid) { + case SSB_DEV_CHIPCOMMON: + return "ChipCommon"; + case SSB_DEV_ILINE20: + return "ILine 20"; + case SSB_DEV_SDRAM: + return "SDRAM"; + case SSB_DEV_PCI: + return "PCI"; + case SSB_DEV_MIPS: + return "MIPS"; + case SSB_DEV_ETHERNET: + return "Fast Ethernet"; + case SSB_DEV_V90: + return "V90"; + case SSB_DEV_USB11_HOSTDEV: + return "USB 1.1 Hostdev"; + case SSB_DEV_ADSL: + return "ADSL"; + case SSB_DEV_ILINE100: + return "ILine 100"; + case SSB_DEV_IPSEC: + return "IPSEC"; + case SSB_DEV_PCMCIA: + return "PCMCIA"; + case SSB_DEV_INTERNAL_MEM: + return "Internal Memory"; + case SSB_DEV_MEMC_SDRAM: + return "MEMC SDRAM"; + case SSB_DEV_EXTIF: + return "EXTIF"; + case SSB_DEV_80211: + return "IEEE 802.11"; + case SSB_DEV_MIPS_3302: + return "MIPS 3302"; + case SSB_DEV_USB11_HOST: + return "USB 1.1 Host"; + case SSB_DEV_USB11_DEV: + return "USB 1.1 Device"; + case SSB_DEV_USB20_HOST: + return "USB 2.0 Host"; + case SSB_DEV_USB20_DEV: + return "USB 2.0 Device"; + case SSB_DEV_SDIO_HOST: + return "SDIO Host"; + case SSB_DEV_ROBOSWITCH: + return "Roboswitch"; + case SSB_DEV_PARA_ATA: + return "PATA"; + case SSB_DEV_SATA_XORDMA: + return "SATA XOR-DMA"; + case SSB_DEV_ETHERNET_GBIT: + return "GBit Ethernet"; + case SSB_DEV_PCIE: + return "PCI-E"; + case SSB_DEV_MIMO_PHY: + return "MIMO PHY"; + case SSB_DEV_SRAM_CTRLR: + return "SRAM Controller"; + case SSB_DEV_MINI_MACPHY: + return "Mini MACPHY"; + case SSB_DEV_ARM_1176: + return "ARM 1176"; + case SSB_DEV_ARM_7TDMI: + return "ARM 7TDMI"; + } + return "UNKNOWN"; +} + +static u16 pcidev_to_chipid(struct pci_dev *pci_dev) +{ + u16 chipid_fallback = 0; + + switch (pci_dev->device) { + case 0x4301: + chipid_fallback = 0x4301; + break; + case 0x4305 ... 0x4307: + chipid_fallback = 0x4307; + break; + case 0x4403: + chipid_fallback = 0x4402; + break; + case 0x4610 ... 0x4615: + chipid_fallback = 0x4610; + break; + case 0x4710 ... 0x4715: + chipid_fallback = 0x4710; + break; + case 0x4320 ... 0x4325: + chipid_fallback = 0x4309; + break; + case PCI_DEVICE_ID_BCM4401: + case PCI_DEVICE_ID_BCM4401B0: + case PCI_DEVICE_ID_BCM4401B1: + chipid_fallback = 0x4401; + break; + default: + ssb_printk(KERN_ERR PFX + "PCI-ID not in fallback list\n"); + } + + return chipid_fallback; +} + +static u8 chipid_to_nrcores(u16 chipid) +{ + switch (chipid) { + case 0x5365: + return 7; + case 0x4306: + return 6; + case 0x4310: + return 8; + case 0x4307: + case 0x4301: + return 5; + case 0x4401: + case 0x4402: + return 3; + case 0x4710: + case 0x4610: + case 0x4704: + return 9; + default: + ssb_printk(KERN_ERR PFX + "CHIPID not in nrcores fallback list\n"); + } + + return 1; +} + +static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx, + u16 offset) +{ + switch (bus->bustype) { + case SSB_BUSTYPE_SSB: + offset += current_coreidx * SSB_CORE_SIZE; + break; + case SSB_BUSTYPE_PCI: + break; + case SSB_BUSTYPE_PCMCIA: + if (offset >= 0x800) { + ssb_pcmcia_switch_segment(bus, 1); + offset -= 0x800; + } else + ssb_pcmcia_switch_segment(bus, 0); + break; + } + return readl(bus->mmio + offset); +} + +static int scan_switchcore(struct ssb_bus *bus, u8 coreidx) +{ + switch (bus->bustype) { + case SSB_BUSTYPE_SSB: + break; + case SSB_BUSTYPE_PCI: + return ssb_pci_switch_coreidx(bus, coreidx); + case SSB_BUSTYPE_PCMCIA: + return ssb_pcmcia_switch_coreidx(bus, coreidx); + } + return 0; +} + +void ssb_iounmap(struct ssb_bus *bus) +{ + switch (bus->bustype) { + case SSB_BUSTYPE_SSB: + case SSB_BUSTYPE_PCMCIA: + iounmap(bus->mmio); + break; + case SSB_BUSTYPE_PCI: +#ifdef CONFIG_SSB_PCIHOST + pci_iounmap(bus->host_pci, bus->mmio); +#else + assert(0); /* Can't reach this code. */ +#endif + break; + } + bus->mmio = NULL; + bus->mapped_device = NULL; +} + +static void __iomem * ssb_ioremap(struct ssb_bus *bus, + unsigned long baseaddr) +{ + void __iomem *mmio = NULL; + + switch (bus->bustype) { + case SSB_BUSTYPE_SSB: + /* Only map the first core for now. */ + /* fallthrough... */ + case SSB_BUSTYPE_PCMCIA: + mmio = ioremap(baseaddr, SSB_CORE_SIZE); + break; + case SSB_BUSTYPE_PCI: +#ifdef CONFIG_SSB_PCIHOST + mmio = pci_iomap(bus->host_pci, 0, ~0UL); +#else + assert(0); /* Can't reach this code. */ +#endif + break; + } + + return mmio; +} + +static int we_support_multiple_80211_cores(struct ssb_bus *bus) +{ + /* More than one 802.11 core is only supported by special chips. + * There are chips with two 802.11 cores, but with dangling + * pins on the second core. Be careful and reject them here. + */ + +#ifdef CONFIG_SSB_PCIHOST + if (bus->bustype == SSB_BUSTYPE_PCI) { + if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM && + bus->host_pci->device == 0x4324) + return 1; + } +#endif /* CONFIG_SSB_PCIHOST */ + return 0; +} + +int ssb_bus_scan(struct ssb_bus *bus, + unsigned long baseaddr) +{ + int err = -ENOMEM; + void __iomem *mmio; + u32 idhi, cc, rev, tmp; + int dev_i, i; + struct ssb_device *dev; + int nr_80211_cores = 0; + + mmio = ssb_ioremap(bus, baseaddr); + if (!mmio) + goto out; + bus->mmio = mmio; + + err = scan_switchcore(bus, 0); /* Switch to first core */ + if (err) + goto err_unmap; + + idhi = scan_read32(bus, 0, SSB_IDHIGH); + cc = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; + rev = (idhi & SSB_IDHIGH_RCLO); + rev |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; + + bus->nr_devices = 0; + if (cc == SSB_DEV_CHIPCOMMON) { + tmp = scan_read32(bus, 0, SSB_CHIPCO_CHIPID); + + bus->chip_id = (tmp & SSB_CHIPCO_IDMASK); + bus->chip_rev = (tmp & SSB_CHIPCO_REVMASK) >> + SSB_CHIPCO_REVSHIFT; + bus->chip_package = (tmp & SSB_CHIPCO_PACKMASK) >> + SSB_CHIPCO_PACKSHIFT; + if (rev >= 4) { + bus->nr_devices = (tmp & SSB_CHIPCO_NRCORESMASK) >> + SSB_CHIPCO_NRCORESSHIFT; + } + tmp = scan_read32(bus, 0, SSB_CHIPCO_CAP); + bus->chipco.capabilities = tmp; + } else { + if (bus->bustype == SSB_BUSTYPE_PCI) { + bus->chip_id = pcidev_to_chipid(bus->host_pci); + pci_read_config_word(bus->host_pci, PCI_REVISION_ID, + &bus->chip_rev); + bus->chip_package = 0; + } else { + bus->chip_id = 0x4710; + bus->chip_rev = 0; + bus->chip_package = 0; + } + } + if (!bus->nr_devices) + bus->nr_devices = chipid_to_nrcores(bus->chip_id); + if (bus->nr_devices > ARRAY_SIZE(bus->devices)) { + ssb_printk(KERN_ERR PFX + "More than %d ssb cores found (%d)\n", + SSB_MAX_NR_CORES, bus->nr_devices); + goto err_unmap; + } + if (bus->bustype == SSB_BUSTYPE_SSB) { + /* Now that we know the number of cores, + * remap the whole IO space for all cores. + */ + err = -ENOMEM; + iounmap(mmio); + mmio = ioremap(baseaddr, SSB_CORE_SIZE * bus->nr_devices); + if (!mmio) + goto out; + bus->mmio = mmio; + } + + /* Fetch basic information about each core/device */ + for (i = 0, dev_i = 0; i < bus->nr_devices; i++) { + err = scan_switchcore(bus, i); + if (err) + goto err_unmap; + dev = &(bus->devices[dev_i]); + + idhi = scan_read32(bus, i, SSB_IDHIGH); + dev->id.coreid = (idhi & SSB_IDHIGH_CC) >> SSB_IDHIGH_CC_SHIFT; + dev->id.revision = (idhi & SSB_IDHIGH_RCLO); + dev->id.revision |= (idhi & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT; + dev->id.vendor = (idhi & SSB_IDHIGH_VC) >> SSB_IDHIGH_VC_SHIFT; + dev->core_index = i; + dev->bus = bus; + dev->ops = bus->ops; + + ssb_dprintk(KERN_INFO PFX + "Core %d found: %s " + "(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n", + i, ssb_core_name(dev->id.coreid), + dev->id.coreid, dev->id.revision, dev->id.vendor); + + switch (dev->id.coreid) { + case SSB_DEV_80211: + nr_80211_cores++; + if (nr_80211_cores > 1) { + if (!we_support_multiple_80211_cores(bus)) { + ssb_dprintk(KERN_INFO PFX "Ignoring additional " + "802.11 core\n"); + continue; + } + } + break; + case SSB_DEV_EXTIF: +#ifdef CONFIG_SSB_DRIVER_EXTIF + if (bus->extif.dev) { + ssb_printk(KERN_WARNING PFX + "WARNING: Multiple EXTIFs found\n"); + break; + } + bus->extif.dev = dev; +#endif /* CONFIG_SSB_DRIVER_EXTIF */ + break; + case SSB_DEV_CHIPCOMMON: + if (bus->chipco.dev) { + ssb_printk(KERN_WARNING PFX + "WARNING: Multiple ChipCommon found\n"); + break; + } + bus->chipco.dev = dev; + break; + case SSB_DEV_MIPS: + case SSB_DEV_MIPS_3302: +#ifdef CONFIG_SSB_DRIVER_MIPS + if (bus->mipscore.dev) { + ssb_printk(KERN_WARNING PFX + "WARNING: Multiple MIPS cores found\n"); + break; + } + bus->mipscore.dev = dev; +#endif /* CONFIG_SSB_DRIVER_MIPS */ + break; + case SSB_DEV_PCI: + case SSB_DEV_PCIE: +#ifdef CONFIG_SSB_DRIVER_PCICORE + if (bus->pcicore.dev) { + ssb_printk(KERN_WARNING PFX + "WARNING: Multiple PCI(E) cores found\n"); + break; + } + bus->pcicore.dev = dev; +#endif /* CONFIG_SSB_DRIVER_PCICORE */ + break; + default: + break; + } + + dev_i++; + } + bus->nr_devices = dev_i; + + err = 0; +out: + return err; +err_unmap: + ssb_iounmap(bus); + goto out; +} diff --git a/target/linux/generic-2.6/files/drivers/ssb/ssb_private.h b/target/linux/generic-2.6/files/drivers/ssb/ssb_private.h new file mode 100644 index 0000000000..d00d186074 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/ssb/ssb_private.h @@ -0,0 +1,137 @@ +#ifndef LINUX_SSB_PRIVATE_H_ +#define LINUX_SSB_PRIVATE_H_ + +#include +#include +#include + + +#define PFX "ssb: " + +#ifdef CONFIG_SSB_SILENT +# define ssb_printk(fmt, x...) do { /* nothing */ } while (0) +#else +# define ssb_printk printk +#endif /* CONFIG_SSB_SILENT */ + +/* dprintk: Debugging printk; vanishes for non-debug compilation */ +#ifdef CONFIG_SSB_DEBUG +# define ssb_dprintk(fmt, x...) ssb_printk(fmt ,##x) +#else +# define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0) +#endif + +/* printkl: Rate limited printk */ +#define ssb_printkl(fmt, x...) do { \ + if (printk_ratelimit()) \ + ssb_printk(fmt ,##x); \ + } while (0) + +/* dprintkl: Rate limited debugging printk */ +#ifdef CONFIG_SSB_DEBUG +# define ssb_dprintkl ssb_printkl +#else +# define ssb_dprintkl(fmt, x...) do { /* nothing */ } while (0) +#endif + +#define assert(cond) do { \ + if (unlikely(!(cond))) { \ + ssb_dprintk(KERN_ERR PFX "BUG: Assertion failed (%s) " \ + "at: %s:%d:%s()\n", \ + #cond, __FILE__, __LINE__, __func__); \ + } \ + } while (0) + + +/* pci.c */ +#ifdef CONFIG_SSB_PCIHOST +extern int ssb_pci_switch_core(struct ssb_bus *bus, + struct ssb_device *dev); +extern int ssb_pci_switch_coreidx(struct ssb_bus *bus, + u8 coreidx); +extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what, + int turn_on); +extern int ssb_pci_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv); +extern void ssb_pci_exit(struct ssb_bus *bus); +extern int ssb_pci_init(struct ssb_bus *bus); +extern const struct ssb_bus_ops ssb_pci_ops; + +#else /* CONFIG_SSB_PCIHOST */ + +static inline int ssb_pci_switch_core(struct ssb_bus *bus, + struct ssb_device *dev) +{ + return 0; +} +static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus, + u8 coreidx) +{ + return 0; +} +static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what, + int turn_on) +{ + return 0; +} +static inline void ssb_pci_exit(struct ssb_bus *bus) +{ +} +static inline int ssb_pci_init(struct ssb_bus *bus) +{ + return 0; +} +#endif /* CONFIG_SSB_PCIHOST */ + + +/* pcmcia.c */ +#ifdef CONFIG_SSB_PCMCIAHOST +extern int ssb_pcmcia_switch_core(struct ssb_bus *bus, + struct ssb_device *dev); +extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, + u8 coreidx); +extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus, + u8 seg); +extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus, + struct ssb_init_invariants *iv); +extern int ssb_pcmcia_init(struct ssb_bus *bus); +extern const struct ssb_bus_ops ssb_pcmcia_ops; +#else /* CONFIG_SSB_PCMCIAHOST */ +static inline int ssb_pcmcia_switch_core(struct ssb_bus *bus, + struct ssb_device *dev) +{ + return 0; +} +static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, + u8 coreidx) +{ + return 0; +} +static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus, + u8 seg) +{ + return 0; +} +static inline int ssb_pcmcia_init(struct ssb_bus *bus) +{ + return 0; +} +#endif /* CONFIG_SSB_PCMCIAHOST */ + + +/* scan.c */ +extern const char * ssb_core_name(u16 coreid); +extern int ssb_bus_scan(struct ssb_bus *bus, + unsigned long baseaddr); +extern void ssb_iounmap(struct ssb_bus *ssb); + + +/* core.c */ +extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m); +#ifdef CONFIG_SSB_PCIHOST +extern int ssb_devices_freeze(struct ssb_bus *bus); +extern int ssb_devices_thaw(struct ssb_bus *bus); +extern struct ssb_bus * ssb_pci_dev_to_bus(struct pci_dev *pdev); +#endif /* CONFIG_SSB_PCIHOST */ + +#endif /* LINUX_SSB_PRIVATE_H_ */ diff --git a/target/linux/generic-2.6/files/drivers/usb/host/ohci-ssb.c b/target/linux/generic-2.6/files/drivers/usb/host/ohci-ssb.c new file mode 100644 index 0000000000..2b3ef36b14 --- /dev/null +++ b/target/linux/generic-2.6/files/drivers/usb/host/ohci-ssb.c @@ -0,0 +1,254 @@ +/* + * Sonics Silicon Backplane + * Broadcom USB-core OHCI driver + * + * Copyright 2007 Michael Buesch + * + * Derived from the OHCI-PCI driver + * Copyright 1999 Roman Weissgaerber + * Copyright 2000-2002 David Brownell + * Copyright 1999 Linus Torvalds + * Copyright 1999 Gregory P. Smith + * + * Derived from the USBcore related parts of Broadcom-SB + * Copyright 2005 Broadcom Corporation + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include + + +#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29) + +struct ssb_ohci_device { + struct ohci_hcd ohci; /* _must_ be at the beginning. */ + + u32 enable_flags; +}; + + +static inline +struct ssb_ohci_device * hcd_to_ssb_ohci(struct usb_hcd *hcd) +{ + return (struct ssb_ohci_device *)(hcd->hcd_priv); +} + + +static const struct ssb_device_id ssb_ohci_table[] = { + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV), + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV), + SSB_DEVTABLE_END +}; +MODULE_DEVICE_TABLE(ssb, ssb_ohci_table); + + +static int ssb_ohci_reset(struct usb_hcd *hcd) +{ + struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); + struct ohci_hcd *ohci = &ohcidev->ohci; + int err; + + ohci_hcd_init(ohci); + err = ohci_init(ohci); + + return err; +} + +static int ssb_ohci_start(struct usb_hcd *hcd) +{ + struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); + struct ohci_hcd *ohci = &ohcidev->ohci; + int err; + + err = ohci_run(ohci); + if (err < 0) { + ohci_err(ohci, "can't start\n"); + ohci_stop(hcd); + } + + return err; +} + +#ifdef CONFIG_PM +static int ssb_ohci_hcd_suspend(struct usb_hcd *hcd, pm_message_t message) +{ + struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); + struct ohci_hcd *ohci = &ohcidev->ohci; + unsigned long flags; + + spin_lock_irqsave(&ohci->lock, flags); + + ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); + ohci_readl(ohci, &ohci->regs->intrdisable); /* commit write */ + + /* make sure snapshot being resumed re-enumerates everything */ + if (message.event == PM_EVENT_PRETHAW) + ohci_usb_reset(ohci); + + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + + spin_unlock_irqrestore(&ohci->lock, flags); + + return 0; +} + +static int ssb_ohci_hcd_resume(struct usb_hcd *hcd) +{ + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + usb_hcd_resume_root_hub(hcd); + return 0; +} +#endif /* CONFIG_PM */ + +static const struct hc_driver ssb_ohci_hc_driver = { + .description = "ssb-usb-ohci", + .product_desc = "SSB OHCI Controller", + .hcd_priv_size = sizeof(struct ssb_ohci_device), + + .irq = ohci_irq, + .flags = HCD_MEMORY | HCD_USB11, + + .reset = ssb_ohci_reset, + .start = ssb_ohci_start, + .stop = ohci_stop, + .shutdown = ohci_shutdown, + +#ifdef CONFIG_PM + .suspend = ssb_ohci_hcd_suspend, + .resume = ssb_ohci_hcd_resume, +#endif + + .urb_enqueue = ohci_urb_enqueue, + .urb_dequeue = ohci_urb_dequeue, + .endpoint_disable = ohci_endpoint_disable, + + .get_frame_number = ohci_get_frame, + + .hub_status_data = ohci_hub_status_data, + .hub_control = ohci_hub_control, + .hub_irq_enable = ohci_rhsc_enable, + +#ifdef CONFIG_PM + .bus_suspend = ohci_bus_suspend, + .bus_resume = ohci_bus_resume, +#endif + + .start_port_reset = ohci_start_port_reset, +}; + + +static void ssb_ohci_detach(struct ssb_device *dev) +{ + struct usb_hcd *hcd = ssb_get_drvdata(dev); + + usb_remove_hcd(hcd); + iounmap(hcd->regs); + usb_put_hcd(hcd); + ssb_device_disable(dev, 0); +} + +static int ssb_ohci_attach(struct ssb_device *dev) +{ + struct ssb_ohci_device *ohcidev; + struct usb_hcd *hcd; + int err = -ENOMEM; + u32 tmp, flags = 0; + + if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) + flags |= SSB_OHCI_TMSLOW_HOSTMODE; + + ssb_device_enable(dev, flags); + + hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev, + dev->dev->bus_id); + if (!hcd) + goto err_dev_disable; + ohcidev = hcd_to_ssb_ohci(hcd); + ohcidev->enable_flags = flags; + + tmp = ssb_read32(dev, SSB_ADMATCH0); + hcd->rsrc_start = ssb_admatch_base(tmp); + hcd->rsrc_len = ssb_admatch_size(tmp); + hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + if (!hcd->regs) + goto err_put_hcd; + err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED); + if (err) + goto err_iounmap; + + ssb_set_drvdata(dev, hcd); + + return err; + +err_iounmap: + iounmap(hcd->regs); +err_put_hcd: + usb_put_hcd(hcd); +err_dev_disable: + ssb_device_disable(dev, flags); + return err; +} + +static int ssb_ohci_probe(struct ssb_device *dev, + const struct ssb_device_id *id) +{ + int err; + u16 chipid_top; + + chipid_top = (dev->bus->chip_id & 0xFF00); + if (chipid_top != 0x4700 && + chipid_top != 0x5300) { + /* USBcores are only connected on embedded devices. */ + return -ENODEV; + } + /* TODO: Probably need more checks here whether the core is connected. */ + + if (usb_disabled()) + return -ENODEV; + + /* We currently always attach SSB_DEV_USB11_HOSTDEV + * as HOST OHCI. If we want to attach it as Client device, + * we must branch here and call into the (yet to + * be written) Client mode driver. Same for remove(). */ + + err = ssb_ohci_attach(dev); + + return err; +} + +static void ssb_ohci_remove(struct ssb_device *dev) +{ + ssb_ohci_detach(dev); +} + +#ifdef CONFIG_PM +static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state) +{ + ssb_device_disable(dev, 0); + + return 0; +} + +static int ssb_ohci_resume(struct ssb_device *dev) +{ + struct usb_hcd *hcd = ssb_get_drvdata(dev); + struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd); + + ssb_device_enable(dev, ohcidev->enable_flags); + + return 0; +} +#else /* CONFIG_PM */ +# define ssb_ohci_suspend NULL +# define ssb_ohci_resume NULL +#endif /* CONFIG_PM */ + +static struct ssb_driver ssb_ohci_driver = { + .name = KBUILD_MODNAME, + .id_table = ssb_ohci_table, + .probe = ssb_ohci_probe, + .remove = ssb_ohci_remove, + .suspend = ssb_ohci_suspend, + .resume = ssb_ohci_resume, +}; diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb.h new file mode 100644 index 0000000000..a3d1f5114b --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb.h @@ -0,0 +1,422 @@ +#ifndef LINUX_SSB_H_ +#define LINUX_SSB_H_ +#ifdef __KERNEL__ + +#include +#include +#include +#include +#ifdef CONFIG_SSB_PCIHOST +# include +#endif + +#include + + +struct pcmcia_device; +struct ssb_bus; +struct ssb_driver; + + +struct ssb_sprom_r1 { + u16 pci_spid; /* Subsystem Product ID for PCI */ + u16 pci_svid; /* Subsystem Vendor ID for PCI */ + u16 pci_pid; /* Product ID for PCI */ + u8 il0mac[6]; /* MAC address for 802.11b/g */ + u8 et0mac[6]; /* MAC address for Ethernet */ + u8 et1mac[6]; /* MAC address for 802.11a */ + u8 et0phyaddr:5; /* MII address for enet0 */ + u8 et1phyaddr:5; /* MII address for enet1 */ + u8 et0mdcport:1; /* MDIO for enet0 */ + u8 et1mdcport:1; /* MDIO for enet1 */ + u8 board_rev; /* Board revision */ + u8 country_code:4; /* Country Code */ + u8 antenna_a:2; /* Antenna 0/1 available for A-PHY */ + u8 antenna_bg:2; /* Antenna 0/1 available for B-PHY and G-PHY */ + u16 pa0b0; + u16 pa0b1; + u16 pa0b2; + u16 pa1b0; + u16 pa1b1; + u16 pa1b2; + u8 gpio0; /* GPIO pin 0 */ + u8 gpio1; /* GPIO pin 1 */ + u8 gpio2; /* GPIO pin 2 */ + u8 gpio3; /* GPIO pin 3 */ + u16 maxpwr_a; /* A-PHY Power Amplifier Max Power (in dBm Q5.2) */ + u16 maxpwr_bg; /* B/G-PHY Power Amplifier Max Power (in dBm Q5.2) */ + u8 itssi_a; /* Idle TSSI Target for A-PHY */ + u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */ + u16 boardflags_lo; /* Boardflags (low 16 bits) */ + u8 antenna_gain_a; /* A-PHY Antenna gain (in dBm Q5.2) */ + u8 antenna_gain_bg; /* B/G-PHY Antenna gain (in dBm Q5.2) */ + u8 oem[8]; /* OEM string (rev 1 only) */ +}; + +struct ssb_sprom_r2 { + u16 boardflags_hi; /* Boardflags (high 16 bits) */ + u8 maxpwr_a_lo; /* A-PHY Max Power Low */ + u8 maxpwr_a_hi; /* A-PHY Max Power High */ + u16 pa1lob0; /* A-PHY PA Low Settings */ + u16 pa1lob1; /* A-PHY PA Low Settings */ + u16 pa1lob2; /* A-PHY PA Low Settings */ + u16 pa1hib0; /* A-PHY PA High Settings */ + u16 pa1hib1; /* A-PHY PA High Settings */ + u16 pa1hib2; /* A-PHY PA High Settings */ + u8 ofdm_pwr_off; /* OFDM Power Offset from CCK Level */ + u8 country_str[2]; /* Two char Country Code */ +}; + +struct ssb_sprom_r3 { + u32 ofdmapo; /* A-PHY OFDM Mid Power Offset */ + u32 ofdmalpo; /* A-PHY OFDM Low Power Offset */ + u32 ofdmahpo; /* A-PHY OFDM High Power Offset */ + u8 gpioldc_on_cnt; /* GPIO LED Powersave Duty Cycle ON count */ + u8 gpioldc_off_cnt; /* GPIO LED Powersave Duty Cycle OFF count */ + u8 cckpo_1M:4; /* CCK Power Offset for Rate 1M */ + u8 cckpo_2M:4; /* CCK Power Offset for Rate 2M */ + u8 cckpo_55M:4; /* CCK Power Offset for Rate 5.5M */ + u8 cckpo_11M:4; /* CCK Power Offset for Rate 11M */ + u32 ofdmgpo; /* G-PHY OFDM Power Offset */ +}; + +struct ssb_sprom_r4 { + /* TODO */ +}; + +struct ssb_sprom { + u8 revision; + u8 crc; + /* The valid r# fields are selected by the "revision". + * Revision 3 and lower inherit from lower revisions. + */ + union { + struct { + struct ssb_sprom_r1 r1; + struct ssb_sprom_r2 r2; + struct ssb_sprom_r3 r3; + }; + struct ssb_sprom_r4 r4; + }; +}; + +/* Information about the PCB the circuitry is soldered on. */ +struct ssb_boardinfo { + u16 vendor; + u16 type; + u16 rev; +}; + + +struct ssb_device; +/* Lowlevel read/write operations on the device MMIO. + * Internal, don't use that outside of ssb. */ +struct ssb_bus_ops { + u16 (*read16)(struct ssb_device *dev, u16 offset); + u32 (*read32)(struct ssb_device *dev, u16 offset); + void (*write16)(struct ssb_device *dev, u16 offset, u16 value); + void (*write32)(struct ssb_device *dev, u16 offset, u32 value); +}; + + +/* Core-ID values. */ +#define SSB_DEV_CHIPCOMMON 0x800 +#define SSB_DEV_ILINE20 0x801 +#define SSB_DEV_SDRAM 0x803 +#define SSB_DEV_PCI 0x804 +#define SSB_DEV_MIPS 0x805 +#define SSB_DEV_ETHERNET 0x806 +#define SSB_DEV_V90 0x807 +#define SSB_DEV_USB11_HOSTDEV 0x808 +#define SSB_DEV_ADSL 0x809 +#define SSB_DEV_ILINE100 0x80A +#define SSB_DEV_IPSEC 0x80B +#define SSB_DEV_PCMCIA 0x80D +#define SSB_DEV_INTERNAL_MEM 0x80E +#define SSB_DEV_MEMC_SDRAM 0x80F +#define SSB_DEV_EXTIF 0x811 +#define SSB_DEV_80211 0x812 +#define SSB_DEV_MIPS_3302 0x816 +#define SSB_DEV_USB11_HOST 0x817 +#define SSB_DEV_USB11_DEV 0x818 +#define SSB_DEV_USB20_HOST 0x819 +#define SSB_DEV_USB20_DEV 0x81A +#define SSB_DEV_SDIO_HOST 0x81B +#define SSB_DEV_ROBOSWITCH 0x81C +#define SSB_DEV_PARA_ATA 0x81D +#define SSB_DEV_SATA_XORDMA 0x81E +#define SSB_DEV_ETHERNET_GBIT 0x81F +#define SSB_DEV_PCIE 0x820 +#define SSB_DEV_MIMO_PHY 0x821 +#define SSB_DEV_SRAM_CTRLR 0x822 +#define SSB_DEV_MINI_MACPHY 0x823 +#define SSB_DEV_ARM_1176 0x824 +#define SSB_DEV_ARM_7TDMI 0x825 + +/* Vendor-ID values */ +#define SSB_VENDOR_BROADCOM 0x4243 + +struct ssb_device_id { + u16 vendor; + u16 coreid; + u8 revision; +}; +#define SSB_DEVICE(_vendor, _coreid, _revision) \ + { .vendor = _vendor, .coreid = _coreid, .revision = _revision, } +#define SSB_DEVTABLE_END \ + { 0, }, + +#define SSB_ANY_VENDOR 0xFFFF +#define SSB_ANY_ID 0xFFFF +#define SSB_ANY_REV 0xFF + +/* Some kernel subsystems poke with dev->drvdata, so we must use the + * following ugly workaround to get from struct device to struct ssb_device */ +struct __ssb_dev_wrapper { + struct device dev; + struct ssb_device *sdev; +}; + +struct ssb_device { + /* Having a copy of the ops pointer in each dev struct + * is an optimization. */ + const struct ssb_bus_ops *ops; + + struct device *dev; + struct ssb_bus *bus; + struct ssb_device_id id; + + u8 core_index; + unsigned int irq; + + /* Internal-only stuff follows. */ + void *drvdata; /* Per-device data */ + void *devtypedata; /* Per-devicetype (eg 802.11) data */ +}; + +/* Go from struct device to struct ssb_device. */ +static inline +struct ssb_device * dev_to_ssb_dev(struct device *dev) +{ + struct __ssb_dev_wrapper *wrap = container_of(dev, struct __ssb_dev_wrapper, dev); + return wrap->sdev; +} + +/* Device specific user data */ +static inline +void ssb_set_drvdata(struct ssb_device *dev, void *data) +{ + dev->drvdata = data; +} +static inline +void * ssb_get_drvdata(struct ssb_device *dev) +{ + return dev->drvdata; +} + +/* Devicetype specific user data. This is per device-type (not per device) */ +void ssb_set_devtypedata(struct ssb_device *dev, void *data); +static inline +void * ssb_get_devtypedata(struct ssb_device *dev) +{ + return dev->devtypedata; +} + + +struct ssb_driver { + const char *name; + const struct ssb_device_id *id_table; + + int (*probe)(struct ssb_device *dev, const struct ssb_device_id *id); + void (*remove)(struct ssb_device *dev); + int (*suspend)(struct ssb_device *dev, pm_message_t state); + int (*resume)(struct ssb_device *dev); + void (*shutdown)(struct ssb_device *dev); + + struct device_driver drv; +}; +#define drv_to_ssb_drv(_drv) container_of(_drv, struct ssb_driver, drv) + +extern int __ssb_driver_register(struct ssb_driver *drv, struct module *owner); +static inline int ssb_driver_register(struct ssb_driver *drv) +{ + return __ssb_driver_register(drv, THIS_MODULE); +} +extern void ssb_driver_unregister(struct ssb_driver *drv); + + + + +enum ssb_bustype { + SSB_BUSTYPE_SSB, /* This SSB bus is the system bus */ + SSB_BUSTYPE_PCI, /* SSB is connected to PCI bus */ + SSB_BUSTYPE_PCMCIA, /* SSB is connected to PCMCIA bus */ +}; + +/* board_vendor */ +#define SSB_BOARDVENDOR_BCM 0x14E4 /* Broadcom */ +#define SSB_BOARDVENDOR_DELL 0x1028 /* Dell */ +#define SSB_BOARDVENDOR_HP 0x0E11 /* HP */ +/* board_type */ +#define SSB_BOARD_BCM94306MP 0x0418 +#define SSB_BOARD_BCM4309G 0x0421 +#define SSB_BOARD_BCM4306CB 0x0417 +#define SSB_BOARD_BCM4309MP 0x040C +#define SSB_BOARD_MP4318 0x044A +#define SSB_BOARD_BU4306 0x0416 +#define SSB_BOARD_BU4309 0x040A +/* chip_package */ +#define SSB_CHIPPACK_BCM4712S 1 /* Small 200pin 4712 */ +#define SSB_CHIPPACK_BCM4712M 2 /* Medium 225pin 4712 */ +#define SSB_CHIPPACK_BCM4712L 0 /* Large 340pin 4712 */ + +#include +#include +#include +#include + +struct ssb_bus { + /* The MMIO area. */ + void __iomem *mmio; + + const struct ssb_bus_ops *ops; + + /* The core in the basic address register window. (PCI bus only) */ + struct ssb_device *mapped_device; + /* Currently mapped PCMCIA segment. (bustype == SSB_BUSTYPE_PCMCIA only) */ + u8 mapped_pcmcia_seg; + /* Lock for core and segment switching. */ + spinlock_t bar_lock; + + /* The bus this backplane is running on. */ + enum ssb_bustype bustype; + /* Pointer to the PCI bus (only valid if bustype == SSB_BUSTYPE_PCI). */ + struct pci_dev *host_pci; + /* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */ + struct pcmcia_device *host_pcmcia; + +#ifdef CONFIG_SSB_PCIHOST + struct mutex pci_sprom_mutex; +#endif + + /* ID information about the Chip. */ + u16 chip_id; + u16 chip_rev; + u8 chip_package; + + /* List of devices (cores) on the backplane. */ + struct ssb_device devices[SSB_MAX_NR_CORES]; + u8 nr_devices; + + /* Reference count. Number of suspended devices. */ + u8 suspend_cnt; + + /* Software ID number for this bus. */ + unsigned int busnumber; + + /* The ChipCommon device (if available). */ + struct ssb_chipcommon chipco; + /* The PCI-core device (if available). */ + struct ssb_pcicore pcicore; + /* The MIPS-core device (if available). */ + struct ssb_mipscore mipscore; + /* The EXTif-core device (if available). */ + struct ssb_extif extif; + + /* The following structure elements are not available in early + * SSB initialization. Though, they are available for regular + * registered drivers at any stage. So be careful when + * using them in the ssb core code. */ + + /* ID information about the PCB. */ + struct ssb_boardinfo boardinfo; + /* Contents of the SPROM. */ + struct ssb_sprom sprom; + + /* Internal. */ + struct list_head list; +}; + +/* The initialization-invariants. */ +struct ssb_init_invariants { + struct ssb_boardinfo boardinfo; + struct ssb_sprom sprom; +}; + +/* Register a SSB system bus. get_invariants() is called after the + * basic system devices are initialized. + * The invariants are usually fetched from some NVRAM. + * Put the invariants into the struct pointed to by iv. */ +extern int ssb_bus_ssbbus_register(struct ssb_bus *bus, + unsigned long baseaddr, + int (*get_invariants)(struct ssb_bus *bus, + struct ssb_init_invariants *iv)); +#ifdef CONFIG_SSB_PCIHOST +extern int ssb_bus_pcibus_register(struct ssb_bus *bus, + struct pci_dev *host_pci); +#endif /* CONFIG_SSB_PCIHOST */ +#ifdef CONFIG_SSB_PCMCIAHOST +extern int ssb_bus_pcmciabus_register(struct ssb_bus *bus, + struct pcmcia_device *pcmcia_dev, + unsigned long baseaddr); +#endif /* CONFIG_SSB_PCMCIAHOST */ + +extern void ssb_bus_unregister(struct ssb_bus *bus); + +extern u32 ssb_clockspeed(struct ssb_bus *bus); + +int ssb_device_is_enabled(struct ssb_device *dev); +void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags); +void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags); + + +/* Device MMIO register read/write functions. */ +static inline u16 ssb_read16(struct ssb_device *dev, u16 offset) +{ + return dev->ops->read16(dev, offset); +} +static inline u32 ssb_read32(struct ssb_device *dev, u16 offset) +{ + return dev->ops->read32(dev, offset); +} +static inline void ssb_write16(struct ssb_device *dev, u16 offset, u16 value) +{ + dev->ops->write16(dev, offset, value); +} +static inline void ssb_write32(struct ssb_device *dev, u16 offset, u32 value) +{ + dev->ops->write32(dev, offset, value); +} + + +/* Translation (routing) bits that need to be ORed to DMA + * addresses before they are given to a device. */ +extern u32 ssb_dma_translation(struct ssb_device *dev); +#define SSB_DMA_TRANSLATION_MASK 0xC0000000 +#define SSB_DMA_TRANSLATION_SHIFT 30 + +extern int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask); + + +#ifdef CONFIG_SSB_PCIHOST +/* PCI-host wrapper driver */ +extern int ssb_pcihost_register(struct pci_driver *driver); +static inline void ssb_pcihost_unregister(struct pci_driver *driver) +{ + pci_unregister_driver(driver); +} +#endif /* CONFIG_SSB_PCIHOST */ + + +/* Bus-Power handling functions. */ +extern int ssb_bus_may_powerdown(struct ssb_bus *bus); +extern int ssb_bus_powerup(struct ssb_bus *bus, int dynamic_pctl); + + +/* Various helper functions */ +extern u32 ssb_admatch_base(u32 adm); +extern u32 ssb_admatch_size(u32 adm); + + +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_H_ */ diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h new file mode 100644 index 0000000000..8856590230 --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_chipcommon.h @@ -0,0 +1,387 @@ +#ifndef LINUX_SSB_CHIPCO_H_ +#define LINUX_SSB_CHIPCO_H_ + +/* SonicsSiliconBackplane CHIPCOMMON core hardware definitions + * + * The chipcommon core provides chip identification, SB control, + * jtag, 0/1/2 uarts, clock frequency control, a watchdog interrupt timer, + * gpio interface, extbus, and support for serial and parallel flashes. + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, Michael Buesch + * + * Licensed under the GPL version 2. See COPYING for details. + */ +#ifdef __KERNEL__ + +/** ChipCommon core registers. **/ + +#define SSB_CHIPCO_CHIPID 0x0000 +#define SSB_CHIPCO_IDMASK 0x0000FFFF +#define SSB_CHIPCO_REVMASK 0x000F0000 +#define SSB_CHIPCO_REVSHIFT 16 +#define SSB_CHIPCO_PACKMASK 0x00F00000 +#define SSB_CHIPCO_PACKSHIFT 20 +#define SSB_CHIPCO_NRCORESMASK 0x0F000000 +#define SSB_CHIPCO_NRCORESSHIFT 24 +#define SSB_CHIPCO_CAP 0x0004 /* Capabilities */ +#define SSB_CHIPCO_CAP_NRUART 0x00000003 /* # of UARTs */ +#define SSB_CHIPCO_CAP_MIPSEB 0x00000004 /* MIPS in BigEndian Mode */ +#define SSB_CHIPCO_CAP_UARTCLK 0x00000018 /* UART clock select */ +#define SSB_CHIPCO_CAP_UARTCLK_INT 0x00000008 /* UARTs are driven by internal divided clock */ +#define SSB_CHIPCO_CAP_UARTGPIO 0x00000020 /* UARTs on GPIO 15-12 */ +#define SSB_CHIPCO_CAP_EXTBUS 0x000000C0 /* External buses present */ +#define SSB_CHIPCO_CAP_FLASHT 0x00000700 /* Flash Type */ +#define SSB_CHIPCO_FLASHT_NONE 0x00000000 /* No flash */ +#define SSB_CHIPCO_FLASHT_STSER 0x00000100 /* ST serial flash */ +#define SSB_CHIPCO_FLASHT_ATSER 0x00000200 /* Atmel serial flash */ +#define SSB_CHIPCO_FLASHT_PARA 0x00000700 /* Parallel flash */ +#define SSB_CHIPCO_CAP_PLLT 0x00038000 /* PLL Type */ +#define SSB_PLLTYPE_NONE 0x00000000 +#define SSB_PLLTYPE_1 0x00010000 /* 48Mhz base, 3 dividers */ +#define SSB_PLLTYPE_2 0x00020000 /* 48Mhz, 4 dividers */ +#define SSB_PLLTYPE_3 0x00030000 /* 25Mhz, 2 dividers */ +#define SSB_PLLTYPE_4 0x00008000 /* 48Mhz, 4 dividers */ +#define SSB_PLLTYPE_5 0x00018000 /* 25Mhz, 4 dividers */ +#define SSB_PLLTYPE_6 0x00028000 /* 100/200 or 120/240 only */ +#define SSB_PLLTYPE_7 0x00038000 /* 25Mhz, 4 dividers */ +#define SSB_CHIPCO_CAP_PCTL 0x00040000 /* Power Control */ +#define SSB_CHIPCO_CAP_OTPS 0x00380000 /* OTP size */ +#define SSB_CHIPCO_CAP_OTPS_SHIFT 19 +#define SSB_CHIPCO_CAP_OTPS_BASE 5 +#define SSB_CHIPCO_CAP_JTAGM 0x00400000 /* JTAG master present */ +#define SSB_CHIPCO_CAP_BROM 0x00800000 /* Internal boot ROM active */ +#define SSB_CHIPCO_CAP_64BIT 0x08000000 /* 64-bit Backplane */ +#define SSB_CHIPCO_CORECTL 0x0008 +#define SSB_CHIPCO_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */ +#define SSB_CHIPCO_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ +#define SSB_CHIPCO_BIST 0x000C +#define SSB_CHIPCO_OTPS 0x0010 /* OTP status */ +#define SSB_CHIPCO_OTPS_PROGFAIL 0x80000000 +#define SSB_CHIPCO_OTPS_PROTECT 0x00000007 +#define SSB_CHIPCO_OTPS_HW_PROTECT 0x00000001 +#define SSB_CHIPCO_OTPS_SW_PROTECT 0x00000002 +#define SSB_CHIPCO_OTPS_CID_PROTECT 0x00000004 +#define SSB_CHIPCO_OTPC 0x0014 /* OTP control */ +#define SSB_CHIPCO_OTPC_RECWAIT 0xFF000000 +#define SSB_CHIPCO_OTPC_PROGWAIT 0x00FFFF00 +#define SSB_CHIPCO_OTPC_PRW_SHIFT 8 +#define SSB_CHIPCO_OTPC_MAXFAIL 0x00000038 +#define SSB_CHIPCO_OTPC_VSEL 0x00000006 +#define SSB_CHIPCO_OTPC_SELVL 0x00000001 +#define SSB_CHIPCO_OTPP 0x0018 /* OTP prog */ +#define SSB_CHIPCO_OTPP_COL 0x000000FF +#define SSB_CHIPCO_OTPP_ROW 0x0000FF00 +#define SSB_CHIPCO_OTPP_ROW_SHIFT 8 +#define SSB_CHIPCO_OTPP_READERR 0x10000000 +#define SSB_CHIPCO_OTPP_VALUE 0x20000000 +#define SSB_CHIPCO_OTPP_READ 0x40000000 +#define SSB_CHIPCO_OTPP_START 0x80000000 +#define SSB_CHIPCO_OTPP_BUSY 0x80000000 +#define SSB_CHIPCO_IRQSTAT 0x0020 +#define SSB_CHIPCO_IRQMASK 0x0024 +#define SSB_CHIPCO_IRQ_GPIO 0x00000001 /* gpio intr */ +#define SSB_CHIPCO_IRQ_EXT 0x00000002 /* ro: ext intr pin (corerev >= 3) */ +#define SSB_CHIPCO_IRQ_WDRESET 0x80000000 /* watchdog reset occurred */ +#define SSB_CHIPCO_CHIPCTL 0x0028 /* Rev >= 11 only */ +#define SSB_CHIPCO_CHIPSTAT 0x002C /* Rev >= 11 only */ +#define SSB_CHIPCO_JCMD 0x0030 /* Rev >= 10 only */ +#define SSB_CHIPCO_JCMD_START 0x80000000 +#define SSB_CHIPCO_JCMD_BUSY 0x80000000 +#define SSB_CHIPCO_JCMD_PAUSE 0x40000000 +#define SSB_CHIPCO_JCMD0_ACC_MASK 0x0000F000 +#define SSB_CHIPCO_JCMD0_ACC_IRDR 0x00000000 +#define SSB_CHIPCO_JCMD0_ACC_DR 0x00001000 +#define SSB_CHIPCO_JCMD0_ACC_IR 0x00002000 +#define SSB_CHIPCO_JCMD0_ACC_RESET 0x00003000 +#define SSB_CHIPCO_JCMD0_ACC_IRPDR 0x00004000 +#define SSB_CHIPCO_JCMD0_ACC_PDR 0x00005000 +#define SSB_CHIPCO_JCMD0_IRW_MASK 0x00000F00 +#define SSB_CHIPCO_JCMD_ACC_MASK 0x000F0000 /* Changes for corerev 11 */ +#define SSB_CHIPCO_JCMD_ACC_IRDR 0x00000000 +#define SSB_CHIPCO_JCMD_ACC_DR 0x00010000 +#define SSB_CHIPCO_JCMD_ACC_IR 0x00020000 +#define SSB_CHIPCO_JCMD_ACC_RESET 0x00030000 +#define SSB_CHIPCO_JCMD_ACC_IRPDR 0x00040000 +#define SSB_CHIPCO_JCMD_ACC_PDR 0x00050000 +#define SSB_CHIPCO_JCMD_IRW_MASK 0x00001F00 +#define SSB_CHIPCO_JCMD_IRW_SHIFT 8 +#define SSB_CHIPCO_JCMD_DRW_MASK 0x0000003F +#define SSB_CHIPCO_JIR 0x0034 /* Rev >= 10 only */ +#define SSB_CHIPCO_JDR 0x0038 /* Rev >= 10 only */ +#define SSB_CHIPCO_JCTL 0x003C /* Rev >= 10 only */ +#define SSB_CHIPCO_JCTL_FORCE_CLK 4 /* Force clock */ +#define SSB_CHIPCO_JCTL_EXT_EN 2 /* Enable external targets */ +#define SSB_CHIPCO_JCTL_EN 1 /* Enable Jtag master */ +#define SSB_CHIPCO_FLASHCTL 0x0040 +#define SSB_CHIPCO_FLASHCTL_START 0x80000000 +#define SSB_CHIPCO_FLASHCTL_BUSY SSB_CHIPCO_FLASHCTL_START +#define SSB_CHIPCO_FLASHADDR 0x0044 +#define SSB_CHIPCO_FLASHDATA 0x0048 +#define SSB_CHIPCO_BCAST_ADDR 0x0050 +#define SSB_CHIPCO_BCAST_DATA 0x0054 +#define SSB_CHIPCO_GPIOIN 0x0060 +#define SSB_CHIPCO_GPIOOUT 0x0064 +#define SSB_CHIPCO_GPIOOUTEN 0x0068 +#define SSB_CHIPCO_GPIOCTL 0x006C +#define SSB_CHIPCO_GPIOPOL 0x0070 +#define SSB_CHIPCO_GPIOIRQ 0x0074 +#define SSB_CHIPCO_WATCHDOG 0x0080 +#define SSB_CHIPCO_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */ +#define SSB_CHIPCO_GPIOTIMER_ONTIME_SHIFT 16 +#define SSB_CHIPCO_GPIOTOUTM 0x008C /* LED powersave (corerev >= 16) */ +#define SSB_CHIPCO_CLOCK_N 0x0090 +#define SSB_CHIPCO_CLOCK_SB 0x0094 +#define SSB_CHIPCO_CLOCK_PCI 0x0098 +#define SSB_CHIPCO_CLOCK_M2 0x009C +#define SSB_CHIPCO_CLOCK_MIPS 0x00A0 +#define SSB_CHIPCO_CLKDIV 0x00A4 /* Rev >= 3 only */ +#define SSB_CHIPCO_CLKDIV_SFLASH 0x0F000000 +#define SSB_CHIPCO_CLKDIV_SFLASH_SHIFT 24 +#define SSB_CHIPCO_CLKDIV_OTP 0x000F0000 +#define SSB_CHIPCO_CLKDIV_OTP_SHIFT 16 +#define SSB_CHIPCO_CLKDIV_JTAG 0x00000F00 +#define SSB_CHIPCO_CLKDIV_JTAG_SHIFT 8 +#define SSB_CHIPCO_CLKDIV_UART 0x000000FF +#define SSB_CHIPCO_PLLONDELAY 0x00B0 /* Rev >= 4 only */ +#define SSB_CHIPCO_FREFSELDELAY 0x00B4 /* Rev >= 4 only */ +#define SSB_CHIPCO_SLOWCLKCTL 0x00B8 /* 6 <= Rev <= 9 only */ +#define SSB_CHIPCO_SLOWCLKCTL_SRC 0x00000007 /* slow clock source mask */ +#define SSB_CHIPCO_SLOWCLKCTL_SRC_LPO 0x00000000 /* source of slow clock is LPO */ +#define SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL 0x00000001 /* source of slow clock is crystal */ +#define SSB_CHIPCO_SLOECLKCTL_SRC_PCI 0x00000002 /* source of slow clock is PCI */ +#define SSB_CHIPCO_SLOWCLKCTL_LPOFREQ 0x00000200 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */ +#define SSB_CHIPCO_SLOWCLKCTL_LPOPD 0x00000400 /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */ +#define SSB_CHIPCO_SLOWCLKCTL_FSLOW 0x00000800 /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */ +#define SSB_CHIPCO_SLOWCLKCTL_IPLL 0x00001000 /* IgnorePllOffReq, 1/0: power logic ignores/honors PLL clock disable requests from core */ +#define SSB_CHIPCO_SLOWCLKCTL_ENXTAL 0x00002000 /* XtalControlEn, 1/0: power logic does/doesn't disable crystal when appropriate */ +#define SSB_CHIPCO_SLOWCLKCTL_XTALPU 0x00004000 /* XtalPU (RO), 1/0: crystal running/disabled */ +#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV 0xFFFF0000 /* ClockDivider (SlowClk = 1/(4+divisor)) */ +#define SSB_CHIPCO_SLOWCLKCTL_CLKDIV_SHIFT 16 +#define SSB_CHIPCO_SYSCLKCTL 0x00C0 /* Rev >= 3 only */ +#define SSB_CHIPCO_SYSCLKCTL_IDLPEN 0x00000001 /* ILPen: Enable Idle Low Power */ +#define SSB_CHIPCO_SYSCLKCTL_ALPEN 0x00000002 /* ALPen: Enable Active Low Power */ +#define SSB_CHIPCO_SYSCLKCTL_PLLEN 0x00000004 /* ForcePLLOn */ +#define SSB_CHIPCO_SYSCLKCTL_FORCEALP 0x00000008 /* Force ALP (or HT if ALPen is not set */ +#define SSB_CHIPCO_SYSCLKCTL_FORCEHT 0x00000010 /* Force HT */ +#define SSB_CHIPCO_SYSCLKCTL_CLKDIV 0xFFFF0000 /* ClkDiv (ILP = 1/(4+divisor)) */ +#define SSB_CHIPCO_SYSCLKCTL_CLKDIV_SHIFT 16 +#define SSB_CHIPCO_CLKSTSTR 0x00C4 /* Rev >= 3 only */ +#define SSB_CHIPCO_PCMCIA_CFG 0x0100 +#define SSB_CHIPCO_PCMCIA_MEMWAIT 0x0104 +#define SSB_CHIPCO_PCMCIA_ATTRWAIT 0x0108 +#define SSB_CHIPCO_PCMCIA_IOWAIT 0x010C +#define SSB_CHIPCO_IDE_CFG 0x0110 +#define SSB_CHIPCO_IDE_MEMWAIT 0x0114 +#define SSB_CHIPCO_IDE_ATTRWAIT 0x0118 +#define SSB_CHIPCO_IDE_IOWAIT 0x011C +#define SSB_CHIPCO_PROG_CFG 0x0120 +#define SSB_CHIPCO_PROG_WAITCNT 0x0124 +#define SSB_CHIPCO_FLASH_CFG 0x0128 +#define SSB_CHIPCO_FLASH_WAITCNT 0x012C +#define SSB_CHIPCO_UART0_DATA 0x0300 +#define SSB_CHIPCO_UART0_IMR 0x0304 +#define SSB_CHIPCO_UART0_FCR 0x0308 +#define SSB_CHIPCO_UART0_LCR 0x030C +#define SSB_CHIPCO_UART0_MCR 0x0310 +#define SSB_CHIPCO_UART0_LSR 0x0314 +#define SSB_CHIPCO_UART0_MSR 0x0318 +#define SSB_CHIPCO_UART0_SCRATCH 0x031C +#define SSB_CHIPCO_UART1_DATA 0x0400 +#define SSB_CHIPCO_UART1_IMR 0x0404 +#define SSB_CHIPCO_UART1_FCR 0x0408 +#define SSB_CHIPCO_UART1_LCR 0x040C +#define SSB_CHIPCO_UART1_MCR 0x0410 +#define SSB_CHIPCO_UART1_LSR 0x0414 +#define SSB_CHIPCO_UART1_MSR 0x0418 +#define SSB_CHIPCO_UART1_SCRATCH 0x041C + + + +/** Clockcontrol masks and values **/ + +/* SSB_CHIPCO_CLOCK_N */ +#define SSB_CHIPCO_CLK_N1 0x0000003F /* n1 control */ +#define SSB_CHIPCO_CLK_N2 0x00003F00 /* n2 control */ +#define SSB_CHIPCO_CLK_N2_SHIFT 8 +#define SSB_CHIPCO_CLK_PLLC 0x000F0000 /* pll control */ +#define SSB_CHIPCO_CLK_PLLC_SHIFT 16 + +/* SSB_CHIPCO_CLOCK_SB/PCI/UART */ +#define SSB_CHIPCO_CLK_M1 0x0000003F /* m1 control */ +#define SSB_CHIPCO_CLK_M2 0x00003F00 /* m2 control */ +#define SSB_CHIPCO_CLK_M2_SHIFT 8 +#define SSB_CHIPCO_CLK_M3 0x003F0000 /* m3 control */ +#define SSB_CHIPCO_CLK_M3_SHIFT 16 +#define SSB_CHIPCO_CLK_MC 0x1F000000 /* mux control */ +#define SSB_CHIPCO_CLK_MC_SHIFT 24 + +/* N3M Clock control magic field values */ +#define SSB_CHIPCO_CLK_F6_2 0x02 /* A factor of 2 in */ +#define SSB_CHIPCO_CLK_F6_3 0x03 /* 6-bit fields like */ +#define SSB_CHIPCO_CLK_F6_4 0x05 /* N1, M1 or M3 */ +#define SSB_CHIPCO_CLK_F6_5 0x09 +#define SSB_CHIPCO_CLK_F6_6 0x11 +#define SSB_CHIPCO_CLK_F6_7 0x21 + +#define SSB_CHIPCO_CLK_F5_BIAS 5 /* 5-bit fields get this added */ + +#define SSB_CHIPCO_CLK_MC_BYPASS 0x08 +#define SSB_CHIPCO_CLK_MC_M1 0x04 +#define SSB_CHIPCO_CLK_MC_M1M2 0x02 +#define SSB_CHIPCO_CLK_MC_M1M2M3 0x01 +#define SSB_CHIPCO_CLK_MC_M1M3 0x11 + +/* Type 2 Clock control magic field values */ +#define SSB_CHIPCO_CLK_T2_BIAS 2 /* n1, n2, m1 & m3 bias */ +#define SSB_CHIPCO_CLK_T2M2_BIAS 3 /* m2 bias */ + +#define SSB_CHIPCO_CLK_T2MC_M1BYP 1 +#define SSB_CHIPCO_CLK_T2MC_M2BYP 2 +#define SSB_CHIPCO_CLK_T2MC_M3BYP 4 + +/* Type 6 Clock control magic field values */ +#define SSB_CHIPCO_CLK_T6_MMASK 1 /* bits of interest in m */ +#define SSB_CHIPCO_CLK_T6_M0 120000000 /* sb clock for m = 0 */ +#define SSB_CHIPCO_CLK_T6_M1 100000000 /* sb clock for m = 1 */ +#define SSB_CHIPCO_CLK_SB2MIPS_T6(sb) (2 * (sb)) + +/* Common clock base */ +#define SSB_CHIPCO_CLK_BASE1 24000000 /* Half the clock freq */ +#define SSB_CHIPCO_CLK_BASE2 12500000 /* Alternate crystal on some PLL's */ + +/* Clock control values for 200Mhz in 5350 */ +#define SSB_CHIPCO_CLK_5350_N 0x0311 +#define SSB_CHIPCO_CLK_5350_M 0x04020009 + + +/** Bits in the config registers **/ + +#define SSB_CHIPCO_CFG_EN 0x0001 /* Enable */ +#define SSB_CHIPCO_CFG_EXTM 0x000E /* Extif Mode */ +#define SSB_CHIPCO_CFG_EXTM_ASYNC 0x0002 /* Async/Parallel flash */ +#define SSB_CHIPCO_CFG_EXTM_SYNC 0x0004 /* Synchronous */ +#define SSB_CHIPCO_CFG_EXTM_PCMCIA 0x0008 /* PCMCIA */ +#define SSB_CHIPCO_CFG_EXTM_IDE 0x000A /* IDE */ +#define SSB_CHIPCO_CFG_DS16 0x0010 /* Data size, 0=8bit, 1=16bit */ +#define SSB_CHIPCO_CFG_CLKDIV 0x0060 /* Sync: Clock divisor */ +#define SSB_CHIPCO_CFG_CLKEN 0x0080 /* Sync: Clock enable */ +#define SSB_CHIPCO_CFG_BSTRO 0x0100 /* Sync: Size/Bytestrobe */ + + +/** Flash-specific control/status values */ + +/* flashcontrol opcodes for ST flashes */ +#define SSB_CHIPCO_FLASHCTL_ST_WREN 0x0006 /* Write Enable */ +#define SSB_CHIPCO_FLASHCTL_ST_WRDIS 0x0004 /* Write Disable */ +#define SSB_CHIPCO_FLASHCTL_ST_RDSR 0x0105 /* Read Status Register */ +#define SSB_CHIPCO_FLASHCTL_ST_WRSR 0x0101 /* Write Status Register */ +#define SSB_CHIPCO_FLASHCTL_ST_READ 0x0303 /* Read Data Bytes */ +#define SSB_CHIPCO_FLASHCTL_ST_PP 0x0302 /* Page Program */ +#define SSB_CHIPCO_FLASHCTL_ST_SE 0x02D8 /* Sector Erase */ +#define SSB_CHIPCO_FLASHCTL_ST_BE 0x00C7 /* Bulk Erase */ +#define SSB_CHIPCO_FLASHCTL_ST_DP 0x00B9 /* Deep Power-down */ +#define SSB_CHIPCO_FLASHCTL_ST_RSIG 0x03AB /* Read Electronic Signature */ + +/* Status register bits for ST flashes */ +#define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */ +#define SSB_CHIPCO_FLASHSTA_ST_WEL 0x02 /* Write Enable Latch */ +#define SSB_CHIPCO_FLASHSTA_ST_BP 0x1C /* Block Protect */ +#define SSB_CHIPCO_FLASHSTA_ST_BP_SHIFT 2 +#define SSB_CHIPCO_FLASHSTA_ST_SRWD 0x80 /* Status Register Write Disable */ + +/* flashcontrol opcodes for Atmel flashes */ +#define SSB_CHIPCO_FLASHCTL_AT_READ 0x07E8 +#define SSB_CHIPCO_FLASHCTL_AT_PAGE_READ 0x07D2 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_READ /* FIXME */ +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_READ /* FIXME */ +#define SSB_CHIPCO_FLASHCTL_AT_STATUS 0x01D7 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRITE 0x0384 +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRITE 0x0387 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_ERASE_PRGM 0x0283 /* Erase program */ +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_ERASE_PRGM 0x0286 /* Erase program */ +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_PROGRAM 0x0288 +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_PROGRAM 0x0289 +#define SSB_CHIPCO_FLASHCTL_AT_PAGE_ERASE 0x0281 +#define SSB_CHIPCO_FLASHCTL_AT_BLOCK_ERASE 0x0250 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_WRER_PRGM 0x0382 /* Write erase program */ +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_WRER_PRGM 0x0385 /* Write erase program */ +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_LOAD 0x0253 +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_LOAD 0x0255 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_COMPARE 0x0260 +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_COMPARE 0x0261 +#define SSB_CHIPCO_FLASHCTL_AT_BUF1_REPROGRAM 0x0258 +#define SSB_CHIPCO_FLASHCTL_AT_BUF2_REPROGRAM 0x0259 + +/* Status register bits for Atmel flashes */ +#define SSB_CHIPCO_FLASHSTA_AT_READY 0x80 +#define SSB_CHIPCO_FLASHSTA_AT_MISMATCH 0x40 +#define SSB_CHIPCO_FLASHSTA_AT_ID 0x38 +#define SSB_CHIPCO_FLASHSTA_AT_ID_SHIFT 3 + + +/** OTP **/ + +/* OTP regions */ +#define SSB_CHIPCO_OTP_HW_REGION SSB_CHIPCO_OTPS_HW_PROTECT +#define SSB_CHIPCO_OTP_SW_REGION SSB_CHIPCO_OTPS_SW_PROTECT +#define SSB_CHIPCO_OTP_CID_REGION SSB_CHIPCO_OTPS_CID_PROTECT + +/* OTP regions (Byte offsets from otp size) */ +#define SSB_CHIPCO_OTP_SWLIM_OFF (-8) +#define SSB_CHIPCO_OTP_CIDBASE_OFF 0 +#define SSB_CHIPCO_OTP_CIDLIM_OFF 8 + +/* Predefined OTP words (Word offset from otp size) */ +#define SSB_CHIPCO_OTP_BOUNDARY_OFF (-4) +#define SSB_CHIPCO_OTP_HWSIGN_OFF (-3) +#define SSB_CHIPCO_OTP_SWSIGN_OFF (-2) +#define SSB_CHIPCO_OTP_CIDSIGN_OFF (-1) + +#define SSB_CHIPCO_OTP_CID_OFF 0 +#define SSB_CHIPCO_OTP_PKG_OFF 1 +#define SSB_CHIPCO_OTP_FID_OFF 2 +#define SSB_CHIPCO_OTP_RSV_OFF 3 +#define SSB_CHIPCO_OTP_LIM_OFF 4 + +#define SSB_CHIPCO_OTP_SIGNATURE 0x578A +#define SSB_CHIPCO_OTP_MAGIC 0x4E56 + + +struct ssb_device; +struct ssb_serial_port; + +struct ssb_chipcommon { + struct ssb_device *dev; + u32 capabilities; + /* Fast Powerup Delay constant */ + u16 fast_pwrup_delay; +}; + +extern void ssb_chipcommon_init(struct ssb_chipcommon *cc); + +#include +extern void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state); +extern void ssb_chipco_resume(struct ssb_chipcommon *cc); + +extern void ssb_chipco_get_clockcontrol(struct ssb_chipcommon *cc, + u32 *plltype, u32 *n, u32 *m); +extern void ssb_chipco_timing_init(struct ssb_chipcommon *cc, + unsigned long ns_per_cycle); + +enum ssb_clkmode { + SSB_CLKMODE_SLOW, + SSB_CLKMODE_FAST, + SSB_CLKMODE_DYNAMIC, +}; + +extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, + enum ssb_clkmode mode); + +#ifdef CONFIG_SSB_SERIAL +extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, + struct ssb_serial_port *ports); +#endif /* CONFIG_SSB_SERIAL */ + +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_CHIPCO_H_ */ diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h new file mode 100644 index 0000000000..278a637e86 --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_extif.h @@ -0,0 +1,163 @@ +/* + * Hardware-specific External Interface I/O core definitions + * for the BCM47xx family of SiliconBackplane-based chips. + * + * The External Interface core supports a total of three external chip selects + * supporting external interfaces. One of the external chip selects is + * used for Flash, one is used for PCMCIA, and the other may be + * programmed to support either a synchronous interface or an + * asynchronous interface. The asynchronous interface can be used to + * support external devices such as UARTs and the BCM2019 Bluetooth + * baseband processor. + * The external interface core also contains 2 on-chip 16550 UARTs, clock + * frequency control, a watchdog interrupt timer, and a GPIO interface. + * + * Copyright 2005, Broadcom Corporation + * Copyright 2006, Michael Buesch + * + * Licensed under the GPL version 2. See COPYING for details. + */ +#ifndef LINUX_SSB_EXTIFCORE_H_ +#define LINUX_SSB_EXTIFCORE_H_ + +#ifdef __KERNEL__ + +struct ssb_extif { + struct ssb_device *dev; +}; + +/* external interface address space */ +#define SSB_EXTIF_PCMCIA_MEMBASE(x) (x) +#define SSB_EXTIF_PCMCIA_IOBASE(x) ((x) + 0x100000) +#define SSB_EXTIF_PCMCIA_CFGBASE(x) ((x) + 0x200000) +#define SSB_EXTIF_CFGIF_BASE(x) ((x) + 0x800000) +#define SSB_EXTIF_FLASH_BASE(x) ((x) + 0xc00000) + +#define SSB_EXTIF_NR_GPIOOUT 5 +/* GPIO NOTE: + * The multiple instances of output and output enable registers + * are present to allow driver software for multiple cores to control + * gpio outputs without needing to share a single register pair. + * Use the following helper macro to get a register offset value. + */ +#define SSB_EXTIF_GPIO_OUT(index) ({ \ + BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \ + SSB_EXTIF_GPIO_OUT_BASE + ((index) * 8); \ + }) +#define SSB_EXTIF_GPIO_OUTEN(index) ({ \ + BUILD_BUG_ON(index >= SSB_EXTIF_NR_GPIOOUT); \ + SSB_EXTIF_GPIO_OUTEN_BASE + ((index) * 8); \ + }) + +/** EXTIF core registers **/ + +#define SSB_EXTIF_CTL 0x0000 +#define SSB_EXTIF_CTL_UARTEN (1 << 0) /* UART enable */ +#define SSB_EXTIF_EXTSTAT 0x0004 +#define SSB_EXTIF_EXTSTAT_EMODE (1 << 0) /* Endian mode (ro) */ +#define SSB_EXTIF_EXTSTAT_EIRQPIN (1 << 1) /* External interrupt pin (ro) */ +#define SSB_EXTIF_EXTSTAT_GPIOIRQPIN (1 << 2) /* GPIO interrupt pin (ro) */ +#define SSB_EXTIF_PCMCIA_CFG 0x0010 +#define SSB_EXTIF_PCMCIA_MEMWAIT 0x0014 +#define SSB_EXTIF_PCMCIA_ATTRWAIT 0x0018 +#define SSB_EXTIF_PCMCIA_IOWAIT 0x001C +#define SSB_EXTIF_PROG_CFG 0x0020 +#define SSB_EXTIF_PROG_WAITCNT 0x0024 +#define SSB_EXTIF_FLASH_CFG 0x0028 +#define SSB_EXTIF_FLASH_WAITCNT 0x002C +#define SSB_EXTIF_WATCHDOG 0x0040 +#define SSB_EXTIF_CLOCK_N 0x0044 +#define SSB_EXTIF_CLOCK_SB 0x0048 +#define SSB_EXTIF_CLOCK_PCI 0x004C +#define SSB_EXTIF_CLOCK_MII 0x0050 +#define SSB_EXTIF_GPIO_IN 0x0060 +#define SSB_EXTIF_GPIO_OUT_BASE 0x0064 +#define SSB_EXTIF_GPIO_OUTEN_BASE 0x0068 +#define SSB_EXTIF_EJTAG_OUTEN 0x0090 +#define SSB_EXTIF_GPIO_INTPOL 0x0094 +#define SSB_EXTIF_GPIO_INTMASK 0x0098 +#define SSB_EXTIF_UART_DATA 0x0300 +#define SSB_EXTIF_UART_TIMER 0x0310 +#define SSB_EXTIF_UART_FCR 0x0320 +#define SSB_EXTIF_UART_LCR 0x0330 +#define SSB_EXTIF_UART_MCR 0x0340 +#define SSB_EXTIF_UART_LSR 0x0350 +#define SSB_EXTIF_UART_MSR 0x0360 +#define SSB_EXTIF_UART_SCRATCH 0x0370 + + + + +/* pcmcia/prog/flash_config */ +#define SSB_EXTCFG_EN (1 << 0) /* enable */ +#define SSB_EXTCFG_MODE 0xE /* mode */ +#define SSB_EXTCFG_MODE_SHIFT 1 +#define SSB_EXTCFG_MODE_FLASH 0x0 /* flash/asynchronous mode */ +#define SSB_EXTCFG_MODE_SYNC 0x2 /* synchronous mode */ +#define SSB_EXTCFG_MODE_PCMCIA 0x4 /* pcmcia mode */ +#define SSB_EXTCFG_DS16 (1 << 4) /* destsize: 0=8bit, 1=16bit */ +#define SSB_EXTCFG_BSWAP (1 << 5) /* byteswap */ +#define SSB_EXTCFG_CLKDIV 0xC0 /* clock divider */ +#define SSB_EXTCFG_CLKDIV_SHIFT 6 +#define SSB_EXTCFG_CLKDIV_2 0x0 /* backplane/2 */ +#define SSB_EXTCFG_CLKDIV_3 0x40 /* backplane/3 */ +#define SSB_EXTCFG_CLKDIV_4 0x80 /* backplane/4 */ +#define SSB_EXTCFG_CLKEN (1 << 8) /* clock enable */ +#define SSB_EXTCFG_STROBE (1 << 9) /* size/bytestrobe (synch only) */ + +/* pcmcia_memwait */ +#define SSB_PCMCIA_MEMW_0 0x0000003F /* waitcount0 */ +#define SSB_PCMCIA_MEMW_1 0x00001F00 /* waitcount1 */ +#define SSB_PCMCIA_MEMW_1_SHIFT 8 +#define SSB_PCMCIA_MEMW_2 0x001F0000 /* waitcount2 */ +#define SSB_PCMCIA_MEMW_2_SHIFT 16 +#define SSB_PCMCIA_MEMW_3 0x1F000000 /* waitcount3 */ +#define SSB_PCMCIA_MEMW_3_SHIFT 24 + +/* pcmcia_attrwait */ +#define SSB_PCMCIA_ATTW_0 0x0000003F /* waitcount0 */ +#define SSB_PCMCIA_ATTW_1 0x00001F00 /* waitcount1 */ +#define SSB_PCMCIA_ATTW_1_SHIFT 8 +#define SSB_PCMCIA_ATTW_2 0x001F0000 /* waitcount2 */ +#define SSB_PCMCIA_ATTW_2_SHIFT 16 +#define SSB_PCMCIA_ATTW_3 0x1F000000 /* waitcount3 */ +#define SSB_PCMCIA_ATTW_3_SHIFT 24 + +/* pcmcia_iowait */ +#define SSB_PCMCIA_IOW_0 0x0000003F /* waitcount0 */ +#define SSB_PCMCIA_IOW_1 0x00001F00 /* waitcount1 */ +#define SSB_PCMCIA_IOW_1_SHIFT 8 +#define SSB_PCMCIA_IOW_2 0x001F0000 /* waitcount2 */ +#define SSB_PCMCIA_IOW_2_SHIFT 16 +#define SSB_PCMCIA_IOW_3 0x1F000000 /* waitcount3 */ +#define SSB_PCMCIA_IOW_3_SHIFT 24 + +/* prog_waitcount */ +#define SSB_PROG_WCNT_0 0x0000001F /* waitcount0 */ +#define SSB_PROG_WCNT_1 0x00001F00 /* waitcount1 */ +#define SSB_PROG_WCNT_1_SHIFT 8 +#define SSB_PROG_WCNT_2 0x001F0000 /* waitcount2 */ +#define SSB_PROG_WCNT_2_SHIFT 16 +#define SSB_PROG_WCNT_3 0x1F000000 /* waitcount3 */ +#define SSB_PROG_WCNT_3_SHIFT 24 + +#define SSB_PROG_W0 0x0000000C +#define SSB_PROG_W1 0x00000A00 +#define SSB_PROG_W2 0x00020000 +#define SSB_PROG_W3 0x01000000 + +/* flash_waitcount */ +#define SSB_FLASH_WCNT_0 0x0000001F /* waitcount0 */ +#define SSB_FLASH_WCNT_1 0x00001F00 /* waitcount1 */ +#define SSB_FLASH_WCNT_1_SHIFT 8 +#define SSB_FLASH_WCNT_2 0x001F0000 /* waitcount2 */ +#define SSB_FLASH_WCNT_2_SHIFT 16 +#define SSB_FLASH_WCNT_3 0x1F000000 /* waitcount3 */ +#define SSB_FLASH_WCNT_3_SHIFT 24 + +/* watchdog */ +#define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */ + + +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_EXTIFCORE_H_ */ diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h new file mode 100644 index 0000000000..91f2373be4 --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_mips.h @@ -0,0 +1,47 @@ +#ifndef LINUX_SSB_MIPSCORE_H_ +#define LINUX_SSB_MIPSCORE_H_ + +#ifdef __KERNEL__ + +#ifdef CONFIG_SSB_DRIVER_MIPS + +struct ssb_device; + +struct ssb_serial_port { + void *regs; + unsigned long clockspeed; + unsigned int irq; + unsigned int baud_base; + unsigned int reg_shift; +}; + + +struct ssb_mipscore { + struct ssb_device *dev; + + int nr_serial_ports; + struct ssb_serial_port serial_ports[4]; + + u32 flash_window; + u32 flash_window_size; +}; + +extern void ssb_mipscore_init(struct ssb_mipscore *mcore); + +extern unsigned int ssb_mips_irq(struct ssb_device *dev); + + +#else /* CONFIG_SSB_DRIVER_MIPS */ + +struct ssb_mipscore { +}; + +static inline +void ssb_mipscore_init(struct ssb_mipscore *mcore) +{ +} + +#endif /* CONFIG_SSB_DRIVER_MIPS */ + +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_MIPSCORE_H_ */ diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h new file mode 100644 index 0000000000..5132f26103 --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_driver_pci.h @@ -0,0 +1,108 @@ +#ifndef LINUX_SSB_PCICORE_H_ +#define LINUX_SSB_PCICORE_H_ +#ifdef __KERNEL__ + +#ifdef CONFIG_SSB_DRIVER_PCICORE + +/* PCI core registers. */ +#define SSB_PCICORE_CTL 0x0000 /* PCI Control */ +#define SSB_PCICORE_CTL_RST_OE 0x00000001 /* PCI_RESET Output Enable */ +#define SSB_PCICORE_CTL_RST 0x00000002 /* PCI_RESET driven out to pin */ +#define SSB_PCICORE_CTL_CLK_OE 0x00000004 /* Clock gate Output Enable */ +#define SSB_PCICORE_CTL_CLK 0x00000008 /* Gate for clock driven out to pin */ +#define SSB_PCICORE_ARBCTL 0x0010 /* PCI Arbiter Control */ +#define SSB_PCICORE_ARBCTL_INTERN 0x00000001 /* Use internal arbiter */ +#define SSB_PCICORE_ARBCTL_EXTERN 0x00000002 /* Use external arbiter */ +#define SSB_PCICORE_ARBCTL_PARKID 0x00000006 /* Mask, selects which agent is parked on an idle bus */ +#define SSB_PCICORE_ARBCTL_PARKID_LAST 0x00000000 /* Last requestor */ +#define SSB_PCICORE_ARBCTL_PARKID_4710 0x00000002 /* 4710 */ +#define SSB_PCICORE_ARBCTL_PARKID_EXT0 0x00000004 /* External requestor 0 */ +#define SSB_PCICORE_ARBCTL_PARKID_EXT1 0x00000006 /* External requestor 1 */ +#define SSB_PCICORE_ISTAT 0x0020 /* Interrupt status */ +#define SSB_PCICORE_ISTAT_INTA 0x00000001 /* PCI INTA# */ +#define SSB_PCICORE_ISTAT_INTB 0x00000002 /* PCI INTB# */ +#define SSB_PCICORE_ISTAT_SERR 0x00000004 /* PCI SERR# (write to clear) */ +#define SSB_PCICORE_ISTAT_PERR 0x00000008 /* PCI PERR# (write to clear) */ +#define SSB_PCICORE_ISTAT_PME 0x00000010 /* PCI PME# */ +#define SSB_PCICORE_IMASK 0x0024 /* Interrupt mask */ +#define SSB_PCICORE_IMASK_INTA 0x00000001 /* PCI INTA# */ +#define SSB_PCICORE_IMASK_INTB 0x00000002 /* PCI INTB# */ +#define SSB_PCICORE_IMASK_SERR 0x00000004 /* PCI SERR# */ +#define SSB_PCICORE_IMASK_PERR 0x00000008 /* PCI PERR# */ +#define SSB_PCICORE_IMASK_PME 0x00000010 /* PCI PME# */ +#define SSB_PCICORE_MBOX 0x0028 /* Backplane to PCI Mailbox */ +#define SSB_PCICORE_MBOX_F0_0 0x00000100 /* PCI function 0, INT 0 */ +#define SSB_PCICORE_MBOX_F0_1 0x00000200 /* PCI function 0, INT 1 */ +#define SSB_PCICORE_MBOX_F1_0 0x00000400 /* PCI function 1, INT 0 */ +#define SSB_PCICORE_MBOX_F1_1 0x00000800 /* PCI function 1, INT 1 */ +#define SSB_PCICORE_MBOX_F2_0 0x00001000 /* PCI function 2, INT 0 */ +#define SSB_PCICORE_MBOX_F2_1 0x00002000 /* PCI function 2, INT 1 */ +#define SSB_PCICORE_MBOX_F3_0 0x00004000 /* PCI function 3, INT 0 */ +#define SSB_PCICORE_MBOX_F3_1 0x00008000 /* PCI function 3, INT 1 */ +#define SSB_PCICORE_BCAST_ADDR 0x0050 /* Backplane Broadcast Address */ +#define SSB_PCICORE_BCAST_ADDR_MASK 0x000000FF +#define SSB_PCICORE_BCAST_DATA 0x0054 /* Backplane Broadcast Data */ +#define SSB_PCICORE_GPIO_IN 0x0060 /* rev >= 2 only */ +#define SSB_PCICORE_GPIO_OUT 0x0064 /* rev >= 2 only */ +#define SSB_PCICORE_GPIO_ENABLE 0x0068 /* rev >= 2 only */ +#define SSB_PCICORE_GPIO_CTL 0x006C /* rev >= 2 only */ +#define SSB_PCICORE_SBTOPCI0 0x0100 /* Backplane to PCI translation 0 (sbtopci0) */ +#define SSB_PCICORE_SBTOPCI0_MASK 0xFC000000 +#define SSB_PCICORE_SBTOPCI1 0x0104 /* Backplane to PCI translation 1 (sbtopci1) */ +#define SSB_PCICORE_SBTOPCI1_MASK 0xFC000000 +#define SSB_PCICORE_SBTOPCI2 0x0108 /* Backplane to PCI translation 2 (sbtopci2) */ +#define SSB_PCICORE_SBTOPCI2_MASK 0xC0000000 + +/* SBtoPCIx */ +#define SSB_PCICORE_SBTOPCI_MEM 0x00000000 +#define SSB_PCICORE_SBTOPCI_IO 0x00000001 +#define SSB_PCICORE_SBTOPCI_CFG0 0x00000002 +#define SSB_PCICORE_SBTOPCI_CFG1 0x00000003 +#define SSB_PCICORE_SBTOPCI_PREF 0x00000004 /* Prefetch enable */ +#define SSB_PCICORE_SBTOPCI_BURST 0x00000008 /* Burst enable */ +#define SSB_PCICORE_SBTOPCI_MRM 0x00000020 /* Memory Read Multiple */ +#define SSB_PCICORE_SBTOPCI_RC 0x00000030 /* Read Command mask (rev >= 11) */ +#define SSB_PCICORE_SBTOPCI_RC_READ 0x00000000 /* Memory read */ +#define SSB_PCICORE_SBTOPCI_RC_READL 0x00000010 /* Memory read line */ +#define SSB_PCICORE_SBTOPCI_RC_READM 0x00000020 /* Memory read multiple */ + + +/* PCIcore specific boardflags */ +#define SSB_PCICORE_BFL_NOPCI 0x00000400 /* Board leaves PCI floating */ + + +struct ssb_pcicore { + struct ssb_device *dev; + u8 setup_done:1; + u8 hostmode:1; + u8 cardbusmode:1; +}; + +extern void ssb_pcicore_init(struct ssb_pcicore *pc); + +/* Enable IRQ routing for a specific device */ +extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, + struct ssb_device *dev); + + +#else /* CONFIG_SSB_DRIVER_PCICORE */ + + +struct ssb_pcicore { +}; + +static inline +void ssb_pcicore_init(struct ssb_pcicore *pc) +{ +} + +static inline +int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, + struct ssb_device *dev) +{ + return 0; +} + +#endif /* CONFIG_SSB_DRIVER_PCICORE */ +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_PCICORE_H_ */ diff --git a/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h b/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h new file mode 100644 index 0000000000..1fa4bf8a9d --- /dev/null +++ b/target/linux/generic-2.6/files/include/linux/ssb/ssb_regs.h @@ -0,0 +1,294 @@ +#ifndef LINUX_SSB_REGS_H_ +#define LINUX_SSB_REGS_H_ +#ifdef __KERNEL__ + + +/* SiliconBackplane Address Map. + * All regions may not exist on all chips. + */ +#define SSB_SDRAM_BASE 0x00000000 /* Physical SDRAM */ +#define SSB_PCI_MEM 0x08000000 /* Host Mode sb2pcitranslation0 (64 MB) */ +#define SSB_PCI_CFG 0x0c000000 /* Host Mode sb2pcitranslation1 (64 MB) */ +#define SSB_SDRAM_SWAPPED 0x10000000 /* Byteswapped Physical SDRAM */ +#define SSB_ENUM_BASE 0x18000000 /* Enumeration space base */ +#define SSB_ENUM_LIMIT 0x18010000 /* Enumeration space limit */ + +#define SSB_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */ +#define SSB_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */ + +#define SSB_EXTIF_BASE 0x1f000000 /* External Interface region base address */ +#define SSB_FLASH1 0x1fc00000 /* Flash Region 1 */ +#define SSB_FLASH1_SZ 0x00400000 /* Size of Flash Region 1 */ + +#define SSB_PCI_DMA 0x40000000 /* Client Mode sb2pcitranslation2 (1 GB) */ +#define SSB_PCI_DMA_SZ 0x40000000 /* Client Mode sb2pcitranslation2 size in bytes */ +#define SSB_PCIE_DMA_L32 0x00000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), low 32 bits */ +#define SSB_PCIE_DMA_H32 0x80000000 /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */ +#define SSB_EUART (SB_EXTIF_BASE + 0x00800000) +#define SSB_LED (SB_EXTIF_BASE + 0x00900000) + + +/* Enumeration space constants */ +#define SSB_CORE_SIZE 0x1000 /* Size of a core MMIO area */ +#define SSB_MAX_NR_CORES ((SSB_ENUM_LIMIT - SSB_ENUM_BASE) / SSB_CORE_SIZE) + + +/* mips address */ +#define SSB_EJTAG 0xff200000 /* MIPS EJTAG space (2M) */ + + +/* SSB PCI config space registers. */ +#define SSB_PMCSR 0x44 +#define SSB_PE 0x100 +#define SSB_BAR0_WIN 0x80 /* Backplane address space 0 */ +#define SSB_BAR1_WIN 0x84 /* Backplane address space 1 */ +#define SSB_SPROMCTL 0x88 /* SPROM control */ +#define SSB_SPROMCTL_WE 0x10 /* SPROM write enable */ +#define SSB_BAR1_CONTROL 0x8c /* Address space 1 burst control */ +#define SSB_PCI_IRQS 0x90 /* PCI interrupts */ +#define SSB_PCI_IRQMASK 0x94 /* PCI IRQ control and mask (pcirev >= 6 only) */ +#define SSB_BACKPLANE_IRQS 0x98 /* Backplane Interrupts */ +#define SSB_GPIO_IN 0xB0 /* GPIO Input (pcirev >= 3 only) */ +#define SSB_GPIO_OUT 0xB4 /* GPIO Output (pcirev >= 3 only) */ +#define SSB_GPIO_OUT_ENABLE 0xB8 /* GPIO Output Enable/Disable (pcirev >= 3 only) */ +#define SSB_GPIO_SCS 0x10 /* PCI config space bit 4 for 4306c0 slow clock source */ +#define SSB_GPIO_HWRAD 0x20 /* PCI config space GPIO 13 for hw radio disable */ +#define SSB_GPIO_XTAL 0x40 /* PCI config space GPIO 14 for Xtal powerup */ +#define SSB_GPIO_PLL 0x80 /* PCI config space GPIO 15 for PLL powerdown */ + + +#define SSB_BAR0_MAX_RETRIES 50 + +/* Silicon backplane configuration register definitions */ +#define SSB_IPSFLAG 0x0F08 +#define SSB_IPSFLAG_IRQ1 0x0000003F /* which sbflags get routed to mips interrupt 1 */ +#define SSB_IPSFLAG_IRQ1_SHIFT 0 +#define SSB_IPSFLAG_IRQ2 0x00003F00 /* which sbflags get routed to mips interrupt 2 */ +#define SSB_IPSFLAG_IRQ2_SHIFT 8 +#define SSB_IPSFLAG_IRQ3 0x003F0000 /* which sbflags get routed to mips interrupt 3 */ +#define SSB_IPSFLAG_IRQ3_SHIFT 16 +#define SSB_IPSFLAG_IRQ4 0x3F000000 /* which sbflags get routed to mips interrupt 4 */ +#define SSB_IPSFLAG_IRQ4_SHIFT 24 +#define SSB_TPSFLAG 0x0F18 +#define SSB_TPSFLAG_BPFLAG 0x0000003F /* Backplane flag # */ +#define SSB_TPSFLAG_ALWAYSIRQ 0x00000040 /* IRQ is always sent on the Backplane */ +#define SSB_TMERRLOGA 0x0F48 +#define SSB_TMERRLOG 0x0F50 +#define SSB_ADMATCH3 0x0F60 +#define SSB_ADMATCH2 0x0F68 +#define SSB_ADMATCH1 0x0F70 +#define SSB_IMSTATE 0x0F90 /* SB Initiator Agent State */ +#define SSB_IMSTATE_PC 0x0000000f /* Pipe Count */ +#define SSB_IMSTATE_AP_MASK 0x00000030 /* Arbitration Priority */ +#define SSB_IMSTATE_AP_BOTH 0x00000000 /* Use both timeslices and token */ +#define SSB_IMSTATE_AP_TS 0x00000010 /* Use timeslices only */ +#define SSB_IMSTATE_AP_TK 0x00000020 /* Use token only */ +#define SSB_IMSTATE_AP_RSV 0x00000030 /* Reserved */ +#define SSB_IMSTATE_IBE 0x00020000 /* In Band Error */ +#define SSB_IMSTATE_TO 0x00040000 /* Timeout */ +#define SSB_INTVEC 0x0F94 /* SB Interrupt Mask */ +#define SSB_INTVEC_PCI 0x00000001 /* Enable interrupts for PCI */ +#define SSB_INTVEC_ENET0 0x00000002 /* Enable interrupts for enet 0 */ +#define SSB_INTVEC_ILINE20 0x00000004 /* Enable interrupts for iline20 */ +#define SSB_INTVEC_CODEC 0x00000008 /* Enable interrupts for v90 codec */ +#define SSB_INTVEC_USB 0x00000010 /* Enable interrupts for usb */ +#define SSB_INTVEC_EXTIF 0x00000020 /* Enable interrupts for external i/f */ +#define SSB_INTVEC_ENET1 0x00000040 /* Enable interrupts for enet 1 */ +#define SSB_TMSLOW 0x0F98 /* SB Target State Low */ +#define SSB_TMSLOW_RESET 0x00000001 /* Reset */ +#define SSB_TMSLOW_REJECT_22 0x00000002 /* Reject (Backplane rev 2.2) */ +#define SSB_TMSLOW_REJECT_23 0x00000004 /* Reject (Backplane rev 2.3) */ +#define SSB_TMSLOW_CLOCK 0x00010000 /* Clock Enable */ +#define SSB_TMSLOW_FGC 0x00020000 /* Force Gated Clocks On */ +#define SSB_TMSLOW_PE 0x40000000 /* Power Management Enable */ +#define SSB_TMSLOW_BE 0x80000000 /* BIST Enable */ +#define SSB_TMSHIGH 0x0F9C /* SB Target State High */ +#define SSB_TMSHIGH_SERR 0x00000001 /* S-error */ +#define SSB_TMSHIGH_INT 0x00000002 /* Interrupt */ +#define SSB_TMSHIGH_BUSY 0x00000004 /* Busy */ +#define SSB_TMSHIGH_TO 0x00000020 /* Timeout. Backplane rev >= 2.3 only */ +#define SSB_TMSHIGH_COREFL 0x1FFF0000 /* Core specific flags */ +#define SSB_TMSHIGH_COREFL_SHIFT 16 +#define SSB_TMSHIGH_DMA64 0x10000000 /* 64bit DMA supported */ +#define SSB_TMSHIGH_GCR 0x20000000 /* Gated Clock Request */ +#define SSB_TMSHIGH_BISTF 0x40000000 /* BIST Failed */ +#define SSB_TMSHIGH_BISTD 0x80000000 /* BIST Done */ +#define SSB_BWA0 0x0FA0 +#define SSB_IMCFGLO 0x0FA8 +#define SSB_IMCFGLO_SERTO 0x00000007 /* Service timeout */ +#define SSB_IMCFGLO_REQTO 0x00000070 /* Request timeout */ +#define SSB_IMCFGLO_REQTO_SHIFT 4 +#define SSB_IMCFGLO_CONNID 0x00FF0000 /* Connection ID */ +#define SSB_IMCFGLO_CONNID_SHIFT 16 +#define SSB_IMCFGHI 0x0FAC +#define SSB_ADMATCH0 0x0FB0 +#define SSB_TMCFGLO 0x0FB8 +#define SSB_TMCFGHI 0x0FBC +#define SSB_BCONFIG 0x0FC0 +#define SSB_BSTATE 0x0FC8 +#define SSB_ACTCFG 0x0FD8 +#define SSB_FLAGST 0x0FE8 +#define SSB_IDLOW 0x0FF8 +#define SSB_IDLOW_CFGSP 0x00000003 /* Config Space */ +#define SSB_IDLOW_ADDRNGE 0x00000038 /* Address Ranges supported */ +#define SSB_IDLOW_ADDRNGE_SHIFT 3 +#define SSB_IDLOW_SYNC 0x00000040 +#define SSB_IDLOW_INITIATOR 0x00000080 +#define SSB_IDLOW_MIBL 0x00000F00 /* Minimum Backplane latency */ +#define SSB_IDLOW_MIBL_SHIFT 8 +#define SSB_IDLOW_MABL 0x0000F000 /* Maximum Backplane latency */ +#define SSB_IDLOW_MABL_SHIFT 12 +#define SSB_IDLOW_TIF 0x00010000 /* This Initiator is first */ +#define SSB_IDLOW_CCW 0x000C0000 /* Cycle counter width */ +#define SSB_IDLOW_CCW_SHIFT 18 +#define SSB_IDLOW_TPT 0x00F00000 /* Target ports */ +#define SSB_IDLOW_TPT_SHIFT 20 +#define SSB_IDLOW_INITP 0x0F000000 /* Initiator ports */ +#define SSB_IDLOW_INITP_SHIFT 24 +#define SSB_IDLOW_SSBREV 0xF0000000 /* Sonics Backplane Revision code */ +#define SSB_IDLOW_SSBREV_22 0x00000000 /* <= 2.2 */ +#define SSB_IDLOW_SSBREV_23 0x10000000 /* 2.3 */ +#define SSB_IDHIGH 0x0FFC /* SB Identification High */ +#define SSB_IDHIGH_RCLO 0x0000000F /* Revision Code (low part) */ +#define SSB_IDHIGH_CC 0x00008FF0 /* Core Code */ +#define SSB_IDHIGH_CC_SHIFT 4 +#define SSB_IDHIGH_RCHI 0x00007000 /* Revision Code (high part) */ +#define SSB_IDHIGH_RCHI_SHIFT 8 /* yes, shift 8 is right */ +#define SSB_IDHIGH_VC 0xFFFF0000 /* Vendor Code */ +#define SSB_IDHIGH_VC_SHIFT 16 + +/* SPROM shadow area. If not otherwise noted, fields are + * two bytes wide. Note that the SPROM can _only_ be read + * in two-byte quantinies. + */ +#define SSB_SPROMSIZE_WORDS 64 +#define SSB_SPROMSIZE_BYTES (SSB_SPROMSIZE_WORDS * sizeof(u16)) +#define SSB_SPROM_BASE 0x1000 +#define SSB_SPROM_REVISION 0x107E +#define SSB_SPROM_REVISION_REV 0x00FF /* SPROM Revision number */ +#define SSB_SPROM_REVISION_CRC 0xFF00 /* SPROM CRC8 value */ +#define SSB_SPROM_REVISION_CRC_SHIFT 8 +/* SPROM Revision 1 */ +#define SSB_SPROM1_SPID 0x1004 /* Subsystem Product ID for PCI */ +#define SSB_SPROM1_SVID 0x1006 /* Subsystem Vendor ID for PCI */ +#define SSB_SPROM1_PID 0x1008 /* Product ID for PCI */ +#define SSB_SPROM1_IL0MAC 0x1048 /* 6 bytes MAC address for 802.11b/g */ +#define SSB_SPROM1_ET0MAC 0x104E /* 6 bytes MAC address for Ethernet */ +#define SSB_SPROM1_ET1MAC 0x1054 /* 6 bytes MAC address for 802.11a */ +#define SSB_SPROM1_ETHPHY 0x105A /* Ethernet PHY settings */ +#define SSB_SPROM1_ETHPHY_ET0A 0x001F /* MII Address for enet0 */ +#define SSB_SPROM1_ETHPHY_ET1A 0x03E0 /* MII Address for enet1 */ +#define SSB_SPROM1_ETHPHY_ET1A_SHIFT 5 +#define SSB_SPROM1_ETHPHY_ET0M (1<<14) /* MDIO for enet0 */ +#define SSB_SPROM1_ETHPHY_ET1M (1<<15) /* MDIO for enet1 */ +#define SSB_SPROM1_BINF 0x105C /* Board info */ +#define SSB_SPROM1_BINF_BREV 0x00FF /* Board Revision */ +#define SSB_SPROM1_BINF_CCODE 0x0F00 /* Country Code */ +#define SSB_SPROM1_BINF_CCODE_SHIFT 8 +#define SSB_SPROM1_BINF_ANTA 0x3000 /* Available A-PHY antennas */ +#define SSB_SPROM1_BINF_ANTA_SHIFT 12 +#define SSB_SPROM1_BINF_ANTBG 0xC000 /* Available B-PHY antennas */ +#define SSB_SPROM1_BINF_ANTBG_SHIFT 14 +#define SSB_SPROM1_PA0B0 0x105E +#define SSB_SPROM1_PA0B1 0x1060 +#define SSB_SPROM1_PA0B2 0x1062 +#define SSB_SPROM1_GPIOA 0x1064 /* General Purpose IO pins 0 and 1 */ +#define SSB_SPROM1_GPIOA_P0 0x00FF /* Pin 0 */ +#define SSB_SPROM1_GPIOA_P1 0xFF00 /* Pin 1 */ +#define SSB_SPROM1_GPIOA_P1_SHIFT 8 +#define SSB_SPROM1_GPIOB 0x1066 /* General Purpuse IO pins 2 and 3 */ +#define SSB_SPROM1_GPIOB_P2 0x00FF /* Pin 2 */ +#define SSB_SPROM1_GPIOB_P3 0xFF00 /* Pin 3 */ +#define SSB_SPROM1_GPIOB_P3_SHIFT 8 +#define SSB_SPROM1_MAXPWR 0x1068 /* Power Amplifier Max Power */ +#define SSB_SPROM1_MAXPWR_BG 0x00FF /* B-PHY and G-PHY (in dBm Q5.2) */ +#define SSB_SPROM1_MAXPWR_A 0xFF00 /* A-PHY (in dBm Q5.2) */ +#define SSB_SPROM1_MAXPWR_A_SHIFT 8 +#define SSB_SPROM1_PA1B0 0x106A +#define SSB_SPROM1_PA1B1 0x106C +#define SSB_SPROM1_PA1B2 0x106E +#define SSB_SPROM1_ITSSI 0x1070 /* Idle TSSI Target */ +#define SSB_SPROM1_ITSSI_BG 0x00FF /* B-PHY and G-PHY*/ +#define SSB_SPROM1_ITSSI_A 0xFF00 /* A-PHY */ +#define SSB_SPROM1_ITSSI_A_SHIFT 8 +#define SSB_SPROM1_BFLLO 0x1072 /* Boardflags (low 16 bits) */ +#define SSB_SPROM1_AGAIN 0x1074 /* Antenna Gain (in dBm Q5.2) */ +#define SSB_SPROM1_AGAIN_A 0x00FF /* A-PHY */ +#define SSB_SPROM1_AGAIN_BG 0xFF00 /* B-PHY and G-PHY */ +#define SSB_SPROM1_AGAIN_BG_SHIFT 8 +#define SSB_SPROM1_OEM 0x1076 /* 8 bytes OEM string (rev 1 only) */ +/* SPROM Revision 2 (inherits from rev 1) */ +#define SSB_SPROM2_BFLHI 0x1038 /* Boardflags (high 16 bits) */ +#define SSB_SPROM2_MAXP_A 0x103A /* A-PHY Max Power */ +#define SSB_SPROM2_MAXP_A_HI 0x00FF /* Max Power High */ +#define SSB_SPROM2_MAXP_A_LO 0xFF00 /* Max Power Low */ +#define SSB_SPROM2_MAXP_A_LO_SHIFT 8 +#define SSB_SPROM2_PA1LOB0 0x103C /* A-PHY PowerAmplifier Low Settings */ +#define SSB_SPROM2_PA1LOB1 0x103E /* A-PHY PowerAmplifier Low Settings */ +#define SSB_SPROM2_PA1LOB2 0x1040 /* A-PHY PowerAmplifier Low Settings */ +#define SSB_SPROM2_PA1HIB0 0x1042 /* A-PHY PowerAmplifier High Settings */ +#define SSB_SPROM2_PA1HIB1 0x1044 /* A-PHY PowerAmplifier High Settings */ +#define SSB_SPROM2_PA1HIB2 0x1046 /* A-PHY PowerAmplifier High Settings */ +#define SSB_SPROM2_OPO 0x1078 /* OFDM Power Offset from CCK Level */ +#define SSB_SPROM2_OPO_VALUE 0x00FF +#define SSB_SPROM2_OPO_UNUSED 0xFF00 +#define SSB_SPROM2_CCODE 0x107C /* Two char Country Code */ +/* SPROM Revision 3 (inherits from rev 2) */ +#define SSB_SPROM3_OFDMAPO 0x102C /* A-PHY OFDM Mid Power Offset (4 bytes, BigEndian) */ +#define SSB_SPROM3_OFDMALPO 0x1030 /* A-PHY OFDM Low Power Offset (4 bytes, BigEndian) */ +#define SSB_SPROM3_OFDMAHPO 0x1034 /* A-PHY OFDM High Power Offset (4 bytes, BigEndian) */ +#define SSB_SPROM3_GPIOLDC 0x1042 /* GPIO LED Powersave Duty Cycle (4 bytes, BigEndian) */ +#define SSB_SPROM3_GPIOLDC_OFF 0x0000FF00 /* Off Count */ +#define SSB_SPROM3_GPIOLDC_OFF_SHIFT 8 +#define SSB_SPROM3_GPIOLDC_ON 0x00FF0000 /* On Count */ +#define SSB_SPROM3_GPIOLDC_ON_SHIFT 16 +#define SSB_SPROM3_CCKPO 0x1078 /* CCK Power Offset */ +#define SSB_SPROM3_CCKPO_1M 0x000F /* 1M Rate PO */ +#define SSB_SPROM3_CCKPO_2M 0x00F0 /* 2M Rate PO */ +#define SSB_SPROM3_CCKPO_2M_SHIFT 4 +#define SSB_SPROM3_CCKPO_55M 0x0F00 /* 5.5M Rate PO */ +#define SSB_SPROM3_CCKPO_55M_SHIFT 8 +#define SSB_SPROM3_CCKPO_11M 0xF000 /* 11M Rate PO */ +#define SSB_SPROM3_CCKPO_11M_SHIFT 12 +#define SSB_SPROM3_OFDMGPO 0x107A /* G-PHY OFDM Power Offset (4 bytes, BigEndian) */ + +/* Values for SSB_SPROM1_BINF_CCODE */ +enum { + SSB_SPROM1CCODE_WORLD = 0, + SSB_SPROM1CCODE_THAILAND, + SSB_SPROM1CCODE_ISRAEL, + SSB_SPROM1CCODE_JORDAN, + SSB_SPROM1CCODE_CHINA, + SSB_SPROM1CCODE_JAPAN, + SSB_SPROM1CCODE_USA_CANADA_ANZ, + SSB_SPROM1CCODE_EUROPE, + SSB_SPROM1CCODE_USA_LOW, + SSB_SPROM1CCODE_JAPAN_HIGH, + SSB_SPROM1CCODE_ALL, + SSB_SPROM1CCODE_NONE, +}; + +/* Address-Match values and masks (SSB_ADMATCH?) */ +#define SSB_ADM_TYPE 0x00000003 /* Address type */ +#define SSB_ADM_TYPE0 0 +#define SSB_ADM_TYPE1 1 +#define SSB_ADM_TYPE2 2 +#define SSB_ADM_AD64 0x00000004 +#define SSB_ADM_SZ0 0x000000F8 /* Type0 size */ +#define SSB_ADM_SZ0_SHIFT 3 +#define SSB_ADM_SZ1 0x000001F8 /* Type1 size */ +#define SSB_ADM_SZ1_SHIFT 3 +#define SSB_ADM_SZ2 0x000001F8 /* Type2 size */ +#define SSB_ADM_SZ2_SHIFT 3 +#define SSB_ADM_EN 0x00000400 /* Enable */ +#define SSB_ADM_NEG 0x00000800 /* Negative decode */ +#define SSB_ADM_BASE0 0xFFFFFF00 /* Type0 base address */ +#define SSB_ADM_BASE0_SHIFT 8 +#define SSB_ADM_BASE1 0xFFFFF000 /* Type1 base address for the core */ +#define SSB_ADM_BASE1_SHIFT 12 +#define SSB_ADM_BASE2 0xFFFF0000 /* Type2 base address for the core */ +#define SSB_ADM_BASE2_SHIFT 16 + + +#endif /* __KERNEL__ */ +#endif /* LINUX_SSB_REGS_H_ */ diff --git a/target/linux/generic-2.6/patches-2.6.22/300-ssb_integrate.patch b/target/linux/generic-2.6/patches-2.6.22/300-ssb_integrate.patch new file mode 100644 index 0000000000..67882454d8 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.22/300-ssb_integrate.patch @@ -0,0 +1,78 @@ +Index: linux-2.6.22-rc4/drivers/usb/host/Kconfig +=================================================================== +--- linux-2.6.22-rc4.orig/drivers/usb/host/Kconfig 2007-06-10 21:32:11.000000000 +0100 ++++ linux-2.6.22-rc4/drivers/usb/host/Kconfig 2007-06-10 21:33:24.000000000 +0100 +@@ -142,6 +142,19 @@ + Enables support for PCI-bus plug-in USB controller cards. + If unsure, say Y. + ++config USB_OHCI_HCD_SSB ++ bool "OHCI support for the Broadcom SSB OHCI core (embedded systems only)" ++ depends on USB_OHCI_HCD && ((USB_OHCI_HCD=m && SSB) || (USB_OHCI_HCD=y && SSB=y)) && EXPERIMENTAL ++ default n ++ ---help--- ++ Support for the Sonics Silicon Backplane (SSB) attached ++ Broadcom USB OHCI core. ++ ++ This device is only present in some embedded devices with ++ Broadcom based SSB bus. ++ ++ If unsure, say N. ++ + config USB_OHCI_BIG_ENDIAN_DESC + bool + depends on USB_OHCI_HCD +Index: linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c +=================================================================== +--- linux-2.6.22-rc4.orig/drivers/usb/host/ohci-hcd.c 2007-06-10 21:32:11.000000000 +0100 ++++ linux-2.6.22-rc4/drivers/usb/host/ohci-hcd.c 2007-06-10 21:33:24.000000000 +0100 +@@ -920,11 +920,17 @@ + #define PS3_SYSTEM_BUS_DRIVER ps3_ohci_sb_driver + #endif + ++#ifdef CONFIG_USB_OHCI_HCD_SSB ++#include "ohci-ssb.c" ++#define SSB_OHCI_DRIVER ssb_ohci_driver ++#endif ++ + #if !defined(PCI_DRIVER) && \ + !defined(PLATFORM_DRIVER) && \ + !defined(OF_PLATFORM_DRIVER) && \ + !defined(SA1111_DRIVER) && \ +- !defined(PS3_SYSTEM_BUS_DRIVER) ++ !defined(PS3_SYSTEM_BUS_DRIVER) && \ ++ !defined(SSB_OHCI_DRIVER) + #error "missing bus glue for ohci-hcd" + #endif + +@@ -972,10 +978,20 @@ + goto error_pci; + #endif + ++#ifdef SSB_OHCI_DRIVER ++ retval = ssb_driver_register(&SSB_OHCI_DRIVER); ++ if (retval) ++ goto error_ssb; ++#endif ++ + return retval; + + /* Error path */ ++#ifdef SSB_OHCI_DRIVER ++ error_ssb: ++#endif + #ifdef PCI_DRIVER ++ pci_unregister_driver(&PCI_DRIVER); + error_pci: + #endif + #ifdef SA1111_DRIVER +@@ -1001,6 +1017,9 @@ + + static void __exit ohci_hcd_mod_exit(void) + { ++#ifdef SSB_OHCI_DRIVER ++ ssb_driver_unregister(&SSB_OHCI_DRIVER); ++#endif + #ifdef PCI_DRIVER + pci_unregister_driver(&PCI_DRIVER); + #endif diff --git a/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch b/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch new file mode 100644 index 0000000000..7139f3c715 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.22/310-ssb_pcicore_fixes.patch @@ -0,0 +1,49 @@ +Index: linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c +=================================================================== +--- linux-2.6.22-rc5.orig/drivers/ssb/driver_pcicore.c 2007-06-10 16:44:31.000000000 +0100 ++++ linux-2.6.22-rc5/drivers/ssb/driver_pcicore.c 2007-06-24 20:07:15.000000000 +0100 +@@ -93,6 +93,9 @@ + + /* Enable PCI bridge BAR1 prefetch and burst */ + pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); ++ ++ /* Make sure our latency is high enough to handle the devices behind us */ ++ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xa8); + } + DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); + +@@ -110,7 +113,7 @@ + + if (unlikely(pc->cardbusmode && dev > 1)) + goto out; +- if (bus == 0) { ++ if (bus == 0) {//FIXME busnumber ok? + /* Type 0 transaction */ + if (unlikely(dev >= SSB_PCI_SLOT_MAX)) + goto out; +@@ -224,7 +227,7 @@ + val = *((const u32 *)buf); + break; + } +- writel(*((const u32 *)buf), mmio); ++ writel(val, mmio); + + err = 0; + unmap: +@@ -307,6 +310,8 @@ + udelay(150); + val |= SSB_PCICORE_CTL_RST; /* Deassert RST# */ + pcicore_write32(pc, SSB_PCICORE_CTL, val); ++ val = SSB_PCICORE_ARBCTL_INTERN; ++ pcicore_write32(pc, SSB_PCICORE_ARBCTL, val); + udelay(1); + + //TODO cardbus mode +@@ -336,6 +341,7 @@ + * The following needs change, if we want to port hostmode + * to non-MIPS platform. */ + set_io_port_base((unsigned long)ioremap_nocache(SSB_PCI_MEM, 0x04000000)); ++ mdelay(300); + register_pci_controller(&ssb_pcicore_controller); + } + -- cgit v1.2.3