diff options
Diffstat (limited to 'target')
3 files changed, 124 insertions, 149 deletions
diff --git a/target/linux/brcm47xx/config-3.3 b/target/linux/brcm47xx/config-3.3 index 9dbab4ef1b..ebbadb2fbd 100644 --- a/target/linux/brcm47xx/config-3.3 +++ b/target/linux/brcm47xx/config-3.3 @@ -16,7 +16,6 @@ CONFIG_BCMA=y CONFIG_BCMA_BLOCKIO=y CONFIG_BCMA_DEBUG=y CONFIG_BCMA_DRIVER_GMAC_CMN=y -CONFIG_BCMA_DRIVER_GPIO=y CONFIG_BCMA_DRIVER_MIPS=y CONFIG_BCMA_DRIVER_PCI_HOSTMODE=y CONFIG_BCMA_HOST_PCI=y diff --git a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch index ad8b46098d..c8ff6b2635 100644 --- a/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch +++ b/target/linux/brcm47xx/patches-3.3/501-bcma-add-gpio-driver.patch @@ -1,168 +1,140 @@ ---- a/drivers/bcma/Kconfig -+++ b/drivers/bcma/Kconfig -@@ -39,6 +39,11 @@ config BCMA_HOST_SOC - depends on BCMA_DRIVER_MIPS - select USB_HCD_BCMA if USB_EHCI_HCD || USB_OHCI_HCD +--- a/drivers/bcma/driver_chipcommon.c ++++ b/drivers/bcma/driver_chipcommon.c +@@ -57,6 +57,8 @@ void bcma_core_chipcommon_init(struct bc + (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT))); + } -+config BCMA_DRIVER_GPIO -+ bool -+ depends on BCMA_DRIVER_MIPS -+ default y ++ spin_lock_init(&cc->gpio_lock); + - config BCMA_SFLASH - bool - depends on BCMA_DRIVER_MIPS ---- a/drivers/bcma/Makefile -+++ b/drivers/bcma/Makefile -@@ -6,6 +6,7 @@ bcma-y += driver_pci.o - bcma-$(CONFIG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o - bcma-$(CONFIG_BCMA_DRIVER_MIPS) += driver_mips.o - bcma-$(CONFIG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o -+bcma-$(CONFIG_BCMA_DRIVER_GPIO) += driver_gpio.o - bcma-$(CONFIG_BCMA_HOST_PCI) += host_pci.o - bcma-$(CONFIG_BCMA_HOST_SOC) += host_soc.o - obj-$(CONFIG_BCMA) += bcma.o ---- /dev/null -+++ b/drivers/bcma/driver_gpio.c -@@ -0,0 +1,90 @@ -+/* -+ * Broadcom specific AMBA -+ * GPIO driver for SoCs -+ * -+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+ -+#include <linux/export.h> -+#include <linux/bcma/bcma.h> -+#include <linux/bcma/bcma_driver_gpio.h> -+ -+u32 bcma_gpio_in(struct bcma_bus *bus, u32 mask) -+{ + cc->setup_done = true; + } + +@@ -79,34 +81,81 @@ u32 bcma_chipco_irq_status(struct bcma_d + + u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask) + { +- return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask; + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_in(&bus->drv_cc, mask); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask; ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_in); -+ -+u32 bcma_gpio_out(struct bcma_bus *bus, u32 mask, u32 value) -+{ + } ++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_in); + + u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value) + { +- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value); + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_out(&bus->drv_cc, mask, value); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_out); -+ -+u32 bcma_gpio_outen(struct bcma_bus *bus, u32 mask, u32 value) -+{ + } ++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_out); + + u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value) + { +- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value); + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_outen(&bus->drv_cc, mask, value); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_outen); -+ -+u32 bcma_gpio_control(struct bcma_bus *bus, u32 mask, u32 value) -+{ + } ++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_outen); + + u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value) + { +- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value); + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_control(&bus->drv_cc, mask, value); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_control); -+ -+u32 bcma_gpio_intmask(struct bcma_bus *bus, u32 mask, u32 value) -+{ + } + EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control); + + u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value) + { +- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value); + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_intmask(&bus->drv_cc, mask, value); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_intmask); -+ -+u32 bcma_gpio_polarity(struct bcma_bus *bus, u32 mask, u32 value) -+{ + } ++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_intmask); + + u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value) + { +- return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value); + unsigned long flags; -+ u32 res = 0; ++ u32 res; + -+ spin_lock_irqsave(&bus->gpio_lock, flags); -+ res = bcma_chipco_gpio_polarity(&bus->drv_cc, mask, value); -+ spin_unlock_irqrestore(&bus->gpio_lock, flags); ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); + + return res; -+} -+EXPORT_SYMBOL(bcma_gpio_polarity); ---- a/drivers/bcma/scan.c -+++ b/drivers/bcma/scan.c -@@ -422,6 +422,10 @@ void bcma_init_bus(struct bcma_bus *bus) - if (bus->init_done) - return; + } ++EXPORT_SYMBOL_GPL(bcma_chipco_gpio_polarity); -+#ifdef CONFIG_BCMA_DRIVER_GPIO -+ spin_lock_init(&bus->gpio_lock); -+#endif + #ifdef CONFIG_BCMA_DRIVER_MIPS + void bcma_chipco_serial_init(struct bcma_drv_cc *cc) +--- a/include/linux/bcma/bcma_driver_chipcommon.h ++++ b/include/linux/bcma/bcma_driver_chipcommon.h +@@ -494,6 +494,9 @@ struct bcma_drv_cc { + int nr_serial_ports; + struct bcma_serial_port serial_ports[4]; + #endif /* CONFIG_BCMA_DRIVER_MIPS */ + - INIT_LIST_HEAD(&bus->cores); - bus->nr_cores = 0; - ---- a/include/linux/bcma/bcma.h -+++ b/include/linux/bcma/bcma.h -@@ -255,6 +255,11 @@ struct bcma_bus { - struct bcma_drv_mips drv_mips; - struct bcma_drv_gmac_cmn drv_gmac_cmn; - -+#ifdef CONFIG_BCMA_DRIVER_GPIO + /* Lock for GPIO register access. */ + spinlock_t gpio_lock; -+#endif /* CONFIG_BCMA_DRIVER_GPIO */ -+ - /* We decided to share SPROM struct with SSB as long as we do not need - * any hacks for BCMA. This simplifies drivers code. */ - struct ssb_sprom sprom; ---- /dev/null -+++ b/include/linux/bcma/bcma_driver_gpio.h -@@ -0,0 +1,21 @@ -+#ifndef LINUX_BCMA_DRIVER_GPIO_H_ -+#define LINUX_BCMA_DRIVER_GPIO_H_ -+ -+#include <linux/types.h> -+#include <linux/bcma/bcma.h> -+ -+#define BCMA_GPIO_CC_LINES 16 -+ -+u32 bcma_gpio_in(struct bcma_bus *bus, u32 mask); -+u32 bcma_gpio_out(struct bcma_bus *bus, u32 mask, u32 value); -+u32 bcma_gpio_outen(struct bcma_bus *bus, u32 mask, u32 value); -+u32 bcma_gpio_control(struct bcma_bus *bus, u32 mask, u32 value); -+u32 bcma_gpio_intmask(struct bcma_bus *bus, u32 mask, u32 value); -+u32 bcma_gpio_polarity(struct bcma_bus *bus, u32 mask, u32 value); -+ -+static inline int bcma_gpio_count(struct bcma_bus *bus) + }; + + /* Register access */ +@@ -523,13 +526,22 @@ void bcma_chipco_irq_mask(struct bcma_dr + + u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask); + ++#define BCMA_CC_GPIO_LINES 16 ++ + /* Chipcommon GPIO pin access. */ +-u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask); +-u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value); +-u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value); +-u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value); +-u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value); +-u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value); ++extern u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask); ++extern u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value); ++extern u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value); ++extern u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, ++ u32 value); ++extern u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, ++ u32 value); ++extern u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, ++ u32 value); ++static inline int bcma_chipco_gpio_count(void) +{ -+ return BCMA_GPIO_CC_LINES; ++ return BCMA_CC_GPIO_LINES; +} -+ -+#endif /* LINUX_BCMA_DRIVER_GPIO_H_ */ + + /* PMU support */ + extern void bcma_pmu_init(struct bcma_drv_cc *cc); diff --git a/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch b/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch index 345aa415ab..cafd65a0cf 100644 --- a/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch +++ b/target/linux/brcm47xx/patches-3.3/502-bcm47xx-rewrite-gpio-handling.patch @@ -8,8 +8,8 @@ select BOOT_RAW select CEVT_R4K select CSRC_R4K -@@ -100,7 +101,6 @@ config BCM47XX - select IRQ_CPU +@@ -101,7 +102,6 @@ config BCM47XX + select NO_EXCEPT_FILL select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_LITTLE_ENDIAN - select GENERIC_GPIO @@ -18,7 +18,7 @@ Support for BCM47XX based boards --- a/arch/mips/bcm47xx/gpio.c +++ b/arch/mips/bcm47xx/gpio.c -@@ -4,83 +4,150 @@ +@@ -4,83 +4,154 @@ * for more details. * * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> @@ -36,7 +36,6 @@ -#include <asm/mach-bcm47xx/gpio.h> +#include <linux/ssb/ssb_embedded.h> +#include <linux/bcma/bcma.h> -+#include <linux/bcma/bcma_driver_gpio.h> + +#include <bcm47xx.h> @@ -76,7 +75,7 @@ - - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; -+ return bcma_gpio_in(&bcm47xx_bus.bcma.bus, mask); ++ return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, mask); +#endif + } + return -EINVAL; @@ -93,7 +92,8 @@ +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_gpio_out(&bcm47xx_bus.bcma.bus, mask, value); ++ return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask, ++ value); #endif } return -EINVAL; @@ -114,7 +114,8 @@ +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_gpio_outen(&bcm47xx_bus.bcma.bus, mask, value); ++ return bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, ++ mask, value); +#endif + } + return -EINVAL; @@ -133,7 +134,8 @@ +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_gpio_control(&bcm47xx_bus.bcma.bus, mask, value); ++ return bcma_chipco_gpio_control(&bcm47xx_bus.bcma.bus.drv_cc, ++ mask, value); +#endif + } + return -EINVAL; @@ -153,7 +155,8 @@ case BCM47XX_BUS_TYPE_BCMA: - if (gpio >= BCM47XX_CHIPCO_GPIO_LINES) - return; -+ return bcma_gpio_intmask(&bcm47xx_bus.bcma.bus, mask, value); ++ return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc, ++ mask, value); +#endif + } + return -EINVAL; @@ -171,7 +174,8 @@ +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ return bcma_gpio_polarity(&bcm47xx_bus.bcma.bus, mask, value); ++ return bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc, ++ mask, value); #endif } + return -EINVAL; @@ -213,7 +217,7 @@ { switch (bcm47xx_bus_type) { #ifdef CONFIG_BCM47XX_SSB -@@ -99,4 +166,55 @@ int gpio_to_irq(unsigned gpio) +@@ -99,4 +170,55 @@ int gpio_to_irq(unsigned gpio) } return -EINVAL; } @@ -241,7 +245,7 @@ +#endif +#ifdef CONFIG_BCM47XX_BCMA + case BCM47XX_BUS_TYPE_BCMA: -+ bcm47xx_gpio_count = bcma_gpio_count(&bcm47xx_bus.bcma.bus); ++ bcm47xx_gpio_count = bcma_chipco_gpio_count(); + break; +#endif + } |