diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.0/110-falcon_board.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.0/110-falcon_board.patch | 132 |
1 files changed, 105 insertions, 27 deletions
diff --git a/target/linux/lantiq/patches-3.0/110-falcon_board.patch b/target/linux/lantiq/patches-3.0/110-falcon_board.patch index aa38f87890..ec52d42d41 100644 --- a/target/linux/lantiq/patches-3.0/110-falcon_board.patch +++ b/target/linux/lantiq/patches-3.0/110-falcon_board.patch @@ -72,7 +72,7 @@ +EXPORT_SYMBOL(ltq_get_fpi_hz); --- /dev/null +++ b/arch/mips/lantiq/falcon/devices.c -@@ -0,0 +1,254 @@ +@@ -0,0 +1,258 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> @@ -109,6 +109,10 @@ +unsigned char ltq_ethaddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; +EXPORT_SYMBOL(ltq_ethaddr); + ++/* create dummy ebu spinlock for drivers shared with XWAY targets */ ++DEFINE_SPINLOCK(ebu_lock); ++EXPORT_SYMBOL_GPL(ebu_lock); ++ +static int __init +falcon_set_ethaddr(char *str) +{ @@ -793,7 +797,7 @@ +EXPORT_SYMBOL(sys_gpe_hw_is_activated); --- /dev/null +++ b/arch/mips/lantiq/falcon/gpio.c -@@ -0,0 +1,463 @@ +@@ -0,0 +1,505 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by @@ -842,6 +846,8 @@ +#define gpio_w32(val, reg) __raw_writel(val, reg) +#define gpio_w32_mask(clear, set, reg) gpio_w32((gpio_r32(reg) & ~(clear)) | (set), reg) + ++#define MAX_PORTS 5 ++#define PINS_PER_PORT 32 + +/** register structure for padctrl + (mainly needed for mux control) */ @@ -926,6 +932,8 @@ + unsigned int chained_irq; +}; + ++static struct falcon_gpio_port ltq_gpio_port[MAX_PORTS]; ++ +static int gpio_exported = 0; +static int __init gpio_export_setup(char *str) +{ @@ -946,13 +954,6 @@ + return 0; +} + -+static int falcon_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) -+{ -+ struct falcon_gpio_port *gpio_port = to_falcon_gpio_port(chip); -+ gpio_w32(1<<offset, &gpio_port->port->dirset); -+ return 0; -+} -+ +static void falcon_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) +{ + struct falcon_gpio_port *gpio_port = to_falcon_gpio_port(chip); @@ -962,6 +963,14 @@ + gpio_w32(1<<offset, &gpio_port->port->outclr); +} + ++static int falcon_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) ++{ ++ struct falcon_gpio_port *gpio_port = to_falcon_gpio_port(chip); ++ falcon_gpio_set(chip, offset, value); ++ gpio_w32(1<<offset, &gpio_port->port->dirset); ++ return 0; ++} ++ +static int falcon_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + struct falcon_gpio_port *gpio_port = to_falcon_gpio_port(chip); @@ -1038,6 +1047,46 @@ + gpio_w32(1<<offset, &gpio_port->port->irncr); +} + ++int ltq_gpio_mux_set(unsigned int pin, unsigned int mux) ++{ ++ int port = pin / 100; ++ int offset = pin % 100; ++ struct falcon_gpio_port *gpio_port; ++ ++ if (offset >= PINS_PER_PORT || port >= MAX_PORTS) ++ return -EINVAL; ++ ++ gpio_port = <q_gpio_port[port]; ++ gpio_w32(mux, &gpio_port->pad->muxc[offset]); ++ ++ return 0; ++} ++EXPORT_SYMBOL(ltq_gpio_mux_set); ++ ++int ltq_gpio_request(unsigned int pin, unsigned int alt0, ++ unsigned int alt1, unsigned int dir, const char *name) ++{ ++ int port = pin / 100; ++ int offset = pin % 100; ++ unsigned int mux = (alt0 & 1) + (alt1 & 1) * 2; ++ ++ if (offset >= PINS_PER_PORT || port >= MAX_PORTS) ++ return -EINVAL; ++ ++ if (gpio_request(pin, name)) { ++ pr_err("failed to setup lantiq gpio: %s\n", name); ++ return -EBUSY; ++ } ++ ++ if (dir) ++ gpio_direction_output(pin, 1); ++ else ++ gpio_direction_input(pin); ++ ++ return ltq_gpio_mux_set(pin, mux); ++} ++EXPORT_SYMBOL(ltq_gpio_request); ++ +static struct irq_chip falcon_gpio_irq_chip; +static int falcon_gpio_irq_type(struct irq_data *d, unsigned int type) +{ @@ -1115,16 +1164,16 @@ + struct resource *gpiores, *padres; + int irq; + ++ if (pdev->id >= MAX_PORTS) ++ return -ENODEV; ++ + gpiores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + padres = platform_get_resource(pdev, IORESOURCE_MEM, 1); + irq = platform_get_irq(pdev, 0); + if (!gpiores || !padres) + return -ENODEV; + -+ gpio_port = kzalloc(sizeof(*gpio_port), GFP_KERNEL); -+ if (gpio_port == NULL) -+ return -ENOMEM; -+ ++ gpio_port = <q_gpio_port[pdev->id]; + gpio_port->gpio_chip.label = "falcon-gpio"; + gpio_port->gpio_chip.direction_input = falcon_gpio_direction_input; + gpio_port->gpio_chip.direction_output = falcon_gpio_direction_output; @@ -1200,7 +1249,6 @@ + iounmap(gpio_port->port); + if (gpio_port->pad) + iounmap(gpio_port->pad); -+ kfree(gpio_port); + return ret; +} + @@ -1218,8 +1266,6 @@ + iounmap(gpio_port->port); + if (gpio_port->pad) + iounmap(gpio_port->pad); -+ if (ret == 0) -+ kfree(gpio_port); + + return ret; +} @@ -1278,7 +1324,7 @@ +#endif --- /dev/null +++ b/arch/mips/lantiq/falcon/reset.c -@@ -0,0 +1,80 @@ +@@ -0,0 +1,95 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by @@ -1305,6 +1351,22 @@ +#define WDT_PW2 0x00DC0000 +#define WDT_REG_BASE (KSEG1 | 0x1F8803F0) + ++struct gpon_reg_boot { ++ /* bootrom related virtual registers */ ++ unsigned int rvec; ++ unsigned int nvec; ++ unsigned int evec; ++ unsigned int cp0_status; ++ unsigned int cp0_epc; ++ unsigned int cp0_eepc; ++ unsigned int size; ++ unsigned int cfg_stat; ++ /* additional virtual registers */ ++ unsigned int magic0; /* magic for valid reboot */ ++ unsigned int magic1; /* -"- */ ++ unsigned int bcount; /* reboot counter, used by u-boot */ ++} * const pBOOT = (struct gpon_reg_boot *)GPON_SBS0RAM_BASE; ++ +/* This function is used by the watchdog driver */ +int ltq_reset_cause(void) +{ @@ -1317,11 +1379,11 @@ +{ + printk(KERN_NOTICE "System restart\n"); + local_irq_disable(); -+ ltq_w32(0, (void*)0xBF200000); /* reset Bootreg RVEC */ -+#if 0 -+ ltq_w32(RBT_CPU_TRIG, &pSYS1->rbt); -+#else -+ /* use workaround via watchdog timer */ ++ /* write magic to signal a valid restart */ ++ ltq_w32(0x4C545100, &pBOOT->magic0); /* 'LTQ\0' */ ++ ltq_w32(0x0051544C, &pBOOT->magic1); /* '\0QTL' */ ++ ltq_w32(0, &pBOOT->rvec); /* reset Bootreg RVEC */ ++ /* reset via watchdog timer, to ensure reset of all hardware components */ + ltq_w32(WDT_PW1, (void*)WDT_REG_BASE); + ltq_w32(WDT_PW2 | + (0x3 << 26) | /* PWL */ @@ -1329,7 +1391,6 @@ + (0x1 << 31) | /* enable */ + (1), /* reload */ + (void*)WDT_REG_BASE); -+#endif + for(;;); +} + @@ -1778,7 +1839,7 @@ +#endif --- a/arch/mips/lantiq/Kconfig +++ b/arch/mips/lantiq/Kconfig -@@ -16,8 +16,12 @@ +@@ -16,8 +16,12 @@ config SOC_XWAY bool "XWAY" select SOC_TYPE_XWAY select HW_HAS_PCI @@ -1793,21 +1854,21 @@ endif --- a/arch/mips/lantiq/Makefile +++ b/arch/mips/lantiq/Makefile -@@ -9,3 +9,4 @@ +@@ -9,3 +9,4 @@ obj-y := irq.o setup.o clk.o prom.o devi obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_SOC_TYPE_XWAY) += xway/ +obj-$(CONFIG_SOC_FALCON) += falcon/ --- a/arch/mips/lantiq/Platform +++ b/arch/mips/lantiq/Platform -@@ -6,3 +6,4 @@ +@@ -6,3 +6,4 @@ platform-$(CONFIG_LANTIQ) += lantiq/ cflags-$(CONFIG_LANTIQ) += -I$(srctree)/arch/mips/include/asm/mach-lantiq load-$(CONFIG_LANTIQ) = 0xffffffff80002000 cflags-$(CONFIG_SOC_TYPE_XWAY) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway +cflags-$(CONFIG_SOC_FALCON) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/falcon --- a/arch/mips/lantiq/machtypes.h +++ b/arch/mips/lantiq/machtypes.h -@@ -15,6 +15,12 @@ +@@ -15,6 +15,12 @@ enum lantiq_mach_type { LTQ_MACH_GENERIC = 0, LTQ_MACH_EASY50712, /* Danube evaluation board */ LTQ_MACH_EASY50601, /* Amazon SE evaluation board */ @@ -2035,3 +2096,20 @@ + +module_init(easy98000_addon_init); +module_exit(easy98000_addon_exit); +--- a/arch/mips/lantiq/prom.c ++++ b/arch/mips/lantiq/prom.c +@@ -45,10 +45,12 @@ static void __init prom_init_cmdline(voi + char **argv = (char **) KSEG1ADDR(fw_arg1); + int i; + ++ arcs_cmdline[0] = '\0'; ++ + for (i = 0; i < argc; i++) { +- char *p = (char *) KSEG1ADDR(argv[i]); ++ char *p = (char *) KSEG1ADDR(argv[i]); + +- if (p && *p) { ++ if (CPHYSADDR(p) && *p) { + strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); + strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); + } |