diff options
Diffstat (limited to 'target/linux/generic/patches-3.6')
3 files changed, 1055 insertions, 120 deletions
diff --git a/target/linux/generic/patches-3.6/020-ssb_update.patch b/target/linux/generic/patches-3.6/020-ssb_update.patch index 288024dfca..4113c17097 100644 --- a/target/linux/generic/patches-3.6/020-ssb_update.patch +++ b/target/linux/generic/patches-3.6/020-ssb_update.patch @@ -1,3 +1,75 @@ +--- a/arch/mips/bcm47xx/nvram.c ++++ b/arch/mips/bcm47xx/nvram.c +@@ -43,8 +43,8 @@ static void early_nvram_init(void) + #ifdef CONFIG_BCM47XX_SSB + case BCM47XX_BUS_TYPE_SSB: + mcore_ssb = &bcm47xx_bus.ssb.mipscore; +- base = mcore_ssb->flash_window; +- lim = mcore_ssb->flash_window_size; ++ base = mcore_ssb->pflash.window; ++ lim = mcore_ssb->pflash.window_size; + break; + #endif + #ifdef CONFIG_BCM47XX_BCMA +--- a/arch/mips/bcm47xx/wgt634u.c ++++ b/arch/mips/bcm47xx/wgt634u.c +@@ -156,10 +156,10 @@ static int __init wgt634u_init(void) + SSB_CHIPCO_IRQ_GPIO); + } + +- wgt634u_flash_data.width = mcore->flash_buswidth; +- wgt634u_flash_resource.start = mcore->flash_window; +- wgt634u_flash_resource.end = mcore->flash_window +- + mcore->flash_window_size ++ wgt634u_flash_data.width = mcore->pflash.buswidth; ++ wgt634u_flash_resource.start = mcore->pflash.window; ++ wgt634u_flash_resource.end = mcore->pflash.window ++ + mcore->pflash.window_size + - 1; + return platform_add_devices(wgt634u_devices, + ARRAY_SIZE(wgt634u_devices)); +--- a/drivers/ssb/Kconfig ++++ b/drivers/ssb/Kconfig +@@ -136,6 +136,11 @@ config SSB_DRIVER_MIPS + + If unsure, say N + ++config SSB_SFLASH ++ bool "SSB serial flash support" ++ depends on SSB_DRIVER_MIPS && BROKEN ++ default y ++ + # Assumption: We are on embedded, if we compile the MIPS core. + config SSB_EMBEDDED + bool +@@ -160,4 +165,12 @@ config SSB_DRIVER_GIGE + + If unsure, say N + ++config SSB_DRIVER_GPIO ++ bool "SSB GPIO driver" ++ depends on SSB && GPIOLIB ++ help ++ Driver to provide access to the GPIO pins on the bus. ++ ++ If unsure, say N ++ + endmenu +--- a/drivers/ssb/Makefile ++++ b/drivers/ssb/Makefile +@@ -11,10 +11,12 @@ ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o + # built-in drivers + ssb-y += driver_chipcommon.o + ssb-y += driver_chipcommon_pmu.o ++ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.o + ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o + ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o + ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o + ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o ++ssb-$(CONFIG_SSB_DRIVER_GPIO) += driver_gpio.o + + # b43 pci-ssb-bridge driver + # Not strictly a part of SSB, but kept here for convenience --- a/drivers/ssb/b43_pci_bridge.c +++ b/drivers/ssb/b43_pci_bridge.c @@ -37,6 +37,7 @@ static const struct pci_device_id b43_pc @@ -26,7 +98,7 @@ #include "ssb_private.h" -@@ -280,6 +282,69 @@ static void calc_fast_powerup_delay(stru +@@ -280,10 +282,76 @@ static void calc_fast_powerup_delay(stru cc->fast_pwrup_delay = tmp; } @@ -96,7 +168,14 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc) { if (!cc->dev) -@@ -297,6 +362,11 @@ void ssb_chipcommon_init(struct ssb_chip + return; /* We don't have a ChipCommon */ ++ ++ spin_lock_init(&cc->gpio_lock); ++ + if (cc->dev->id.revision >= 11) + cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT); + ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status); +@@ -297,6 +365,11 @@ void ssb_chipcommon_init(struct ssb_chip chipco_powercontrol_init(cc); ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); calc_fast_powerup_delay(cc); @@ -108,7 +187,7 @@ } void ssb_chipco_suspend(struct ssb_chipcommon *cc) -@@ -395,10 +465,27 @@ void ssb_chipco_timing_init(struct ssb_c +@@ -395,10 +468,27 @@ void ssb_chipco_timing_init(struct ssb_c } /* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */ @@ -139,7 +218,106 @@ } void ssb_chipco_irq_mask(struct ssb_chipcommon *cc, u32 mask, u32 value) -@@ -473,12 +560,7 @@ int ssb_chipco_serial_init(struct ssb_ch +@@ -418,28 +508,93 @@ u32 ssb_chipco_gpio_in(struct ssb_chipco + + u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value) + { +- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value) + { +- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value) + { +- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + EXPORT_SYMBOL(ssb_chipco_gpio_control); + + u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value) + { +- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value) + { +- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; ++} ++ ++u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value) ++{ ++ unsigned long flags; ++ u32 res = 0; ++ ++ if (cc->dev->id.revision < 20) ++ return 0xffffffff; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLUP, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; ++} ++ ++u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value) ++{ ++ unsigned long flags; ++ u32 res = 0; ++ ++ if (cc->dev->id.revision < 20) ++ return 0xffffffff; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLDOWN, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + + #ifdef CONFIG_SSB_SERIAL +@@ -473,12 +628,7 @@ int ssb_chipco_serial_init(struct ssb_ch chipco_read32(cc, SSB_CHIPCO_CORECTL) | SSB_CHIPCO_CORECTL_UARTCLK0); } else if ((ccrev >= 11) && (ccrev != 15)) { @@ -206,9 +384,30 @@ u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc) { struct ssb_bus *bus = cc->dev->bus; +--- /dev/null ++++ b/drivers/ssb/driver_chipcommon_sflash.c +@@ -0,0 +1,18 @@ ++/* ++ * Sonics Silicon Backplane ++ * ChipCommon serial flash interface ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include <linux/ssb/ssb.h> ++ ++#include "ssb_private.h" ++ ++/* Initialize serial flash access */ ++int ssb_sflash_init(struct ssb_chipcommon *cc) ++{ ++ pr_err("Serial flash support is not implemented yet!\n"); ++ ++ return -ENOTSUPP; ++} --- a/drivers/ssb/driver_extif.c +++ b/drivers/ssb/driver_extif.c -@@ -112,10 +112,30 @@ void ssb_extif_get_clockcontrol(struct s +@@ -112,10 +112,37 @@ void ssb_extif_get_clockcontrol(struct s *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); } @@ -238,9 +437,250 @@ extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks); + + return ticks; ++} ++ ++void ssb_extif_init(struct ssb_extif *extif) ++{ ++ if (!extif->dev) ++ return; /* We don't have a Extif core */ ++ spin_lock_init(&extif->gpio_lock); } u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) +@@ -125,22 +152,50 @@ u32 ssb_extif_gpio_in(struct ssb_extif * + + u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) + { +- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&extif->gpio_lock, flags); ++ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), + mask, value); ++ spin_unlock_irqrestore(&extif->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) + { +- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&extif->gpio_lock, flags); ++ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), + mask, value); ++ spin_unlock_irqrestore(&extif->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value) + { +- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&extif->gpio_lock, flags); ++ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value); ++ spin_unlock_irqrestore(&extif->gpio_lock, flags); ++ ++ return res; + } + + u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value) + { +- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); ++ unsigned long flags; ++ u32 res = 0; ++ ++ spin_lock_irqsave(&extif->gpio_lock, flags); ++ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value); ++ spin_unlock_irqrestore(&extif->gpio_lock, flags); ++ ++ return res; + } +--- /dev/null ++++ b/drivers/ssb/driver_gpio.c +@@ -0,0 +1,176 @@ ++/* ++ * Sonics Silicon Backplane ++ * GPIO driver ++ * ++ * Copyright 2011, Broadcom Corporation ++ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include <linux/gpio.h> ++#include <linux/export.h> ++#include <linux/ssb/ssb.h> ++ ++#include "ssb_private.h" ++ ++static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip) ++{ ++ return container_of(chip, struct ssb_bus, gpio); ++} ++ ++static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio); ++} ++ ++static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned gpio, ++ int value) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); ++} ++ ++static int ssb_gpio_chipco_direction_input(struct gpio_chip *chip, ++ unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0); ++ return 0; ++} ++ ++static int ssb_gpio_chipco_direction_output(struct gpio_chip *chip, ++ unsigned gpio, int value) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 1 << gpio); ++ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0); ++ return 0; ++} ++ ++static int ssb_gpio_chipco_request(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0); ++ /* clear pulldown */ ++ ssb_chipco_gpio_pulldown(&bus->chipco, 1 << gpio, 0); ++ /* Set pullup */ ++ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 1 << gpio); ++ ++ return 0; ++} ++ ++static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ /* clear pullup */ ++ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0); ++} ++ ++static int ssb_gpio_chipco_init(struct ssb_bus *bus) ++{ ++ struct gpio_chip *chip = &bus->gpio; ++ ++ chip->label = "ssb_chipco_gpio"; ++ chip->owner = THIS_MODULE; ++ chip->request = ssb_gpio_chipco_request; ++ chip->free = ssb_gpio_chipco_free; ++ chip->get = ssb_gpio_chipco_get_value; ++ chip->set = ssb_gpio_chipco_set_value; ++ chip->direction_input = ssb_gpio_chipco_direction_input; ++ chip->direction_output = ssb_gpio_chipco_direction_output; ++ chip->ngpio = 16; ++ /* There is just one SoC in one device and its GPIO addresses should be ++ * deterministic to address them more easily. The other buses could get ++ * a random base number. */ ++ if (bus->bustype == SSB_BUSTYPE_SSB) ++ chip->base = 0; ++ else ++ chip->base = -1; ++ ++ return gpiochip_add(chip); ++} ++ ++#ifdef CONFIG_SSB_DRIVER_EXTIF ++ ++static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ return !!ssb_extif_gpio_in(&bus->extif, 1 << gpio); ++} ++ ++static void ssb_gpio_extif_set_value(struct gpio_chip *chip, unsigned gpio, ++ int value) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0); ++} ++ ++static int ssb_gpio_extif_direction_input(struct gpio_chip *chip, ++ unsigned gpio) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 0); ++ return 0; ++} ++ ++static int ssb_gpio_extif_direction_output(struct gpio_chip *chip, ++ unsigned gpio, int value) ++{ ++ struct ssb_bus *bus = ssb_gpio_get_bus(chip); ++ ++ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 1 << gpio); ++ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0); ++ return 0; ++} ++ ++static int ssb_gpio_extif_init(struct ssb_bus *bus) ++{ ++ struct gpio_chip *chip = &bus->gpio; ++ ++ chip->label = "ssb_extif_gpio"; ++ chip->owner = THIS_MODULE; ++ chip->get = ssb_gpio_extif_get_value; ++ chip->set = ssb_gpio_extif_set_value; ++ chip->direction_input = ssb_gpio_extif_direction_input; ++ chip->direction_output = ssb_gpio_extif_direction_output; ++ chip->ngpio = 5; ++ /* There is just one SoC in one device and its GPIO addresses should be ++ * deterministic to address them more easily. The other buses could get ++ * a random base number. */ ++ if (bus->bustype == SSB_BUSTYPE_SSB) ++ chip->base = 0; ++ else ++ chip->base = -1; ++ ++ return gpiochip_add(chip); ++} ++ ++#else ++static int ssb_gpio_extif_init(struct ssb_bus *bus) ++{ ++ return -ENOTSUPP; ++} ++#endif ++ ++int ssb_gpio_init(struct ssb_bus *bus) ++{ ++ if (ssb_chipco_available(&bus->chipco)) ++ return ssb_gpio_chipco_init(bus); ++ else if (ssb_extif_available(&bus->extif)) ++ return ssb_gpio_extif_init(bus); ++ else ++ SSB_WARN_ON(1); ++ ++ return -1; ++} --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -178,9 +178,9 @@ static void ssb_mips_serial_init(struct @@ -255,7 +695,7 @@ mcore->nr_serial_ports = ssb_chipco_serial_init(&bus->chipco, mcore->serial_ports); else mcore->nr_serial_ports = 0; -@@ -190,16 +190,32 @@ static void ssb_mips_flash_detect(struct +@@ -190,16 +190,33 @@ static void ssb_mips_flash_detect(struct { struct ssb_bus *bus = mcore->dev->bus; @@ -276,7 +716,8 @@ + switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) { + case SSB_CHIPCO_FLASHT_STSER: + case SSB_CHIPCO_FLASHT_ATSER: -+ pr_err("Serial flash not supported\n"); ++ pr_debug("Found serial flash\n"); ++ ssb_sflash_init(&bus->chipco); + break; + case SSB_CHIPCO_FLASHT_PARA: + pr_debug("Found parallel flash\n"); @@ -296,7 +737,7 @@ } } -@@ -211,9 +227,9 @@ u32 ssb_cpu_clock(struct ssb_mipscore *m +@@ -211,9 +228,9 @@ u32 ssb_cpu_clock(struct ssb_mipscore *m if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU) return ssb_pmu_get_cpu_clock(&bus->chipco); @@ -308,7 +749,7 @@ ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m); } else return 0; -@@ -249,9 +265,9 @@ void ssb_mipscore_init(struct ssb_mipsco +@@ -249,9 +266,9 @@ void ssb_mipscore_init(struct ssb_mipsco hz = 100000000; ns = 1000000000 / hz; @@ -407,7 +848,22 @@ ssb_bus_may_powerdown(bus); err = ssb_devices_register(bus); -@@ -1118,8 +1126,7 @@ static u32 ssb_tmslow_reject_bitmask(str +@@ -796,7 +804,14 @@ static int __devinit ssb_bus_register(st + if (err) + goto err_pcmcia_exit; + ssb_chipcommon_init(&bus->chipco); ++ ssb_extif_init(&bus->extif); + ssb_mipscore_init(&bus->mipscore); ++ err = ssb_gpio_init(bus); ++ if (err == -ENOTSUPP) ++ ssb_dprintk(KERN_DEBUG PFX "GPIO driver not activated\n"); ++ else if (err) ++ ssb_dprintk(KERN_ERR PFX ++ "Error registering GPIO driver: %i\n", err); + err = ssb_fetch_invariants(bus, get_invariants); + if (err) { + ssb_bus_may_powerdown(bus); +@@ -1118,8 +1133,7 @@ static u32 ssb_tmslow_reject_bitmask(str case SSB_IDLOW_SSBREV_27: /* same here */ return SSB_TMSLOW_REJECT; /* this is a guess */ default: @@ -427,7 +883,7 @@ #define PFX "ssb: " -@@ -210,5 +211,35 @@ static inline void b43_pci_ssb_bridge_ex +@@ -210,5 +211,63 @@ static inline void b43_pci_ssb_bridge_ex /* driver_chipcommon_pmu.c */ extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc); extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc); @@ -437,6 +893,17 @@ + u32 ticks); +extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); + ++/* driver_chipcommon_sflash.c */ ++#ifdef CONFIG_SSB_SFLASH ++int ssb_sflash_init(struct ssb_chipcommon *cc); ++#else ++static inline int ssb_sflash_init(struct ssb_chipcommon *cc) ++{ ++ pr_err("Serial flash not supported\n"); ++ return 0; ++} ++#endif /* CONFIG_SSB_SFLASH */ ++ +#ifdef CONFIG_SSB_DRIVER_EXTIF +extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks); +extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); @@ -461,26 +928,50 @@ + return 0; +} +#endif /* CONFIG_SSB_EMBEDDED */ ++ ++#ifdef CONFIG_SSB_DRIVER_EXTIF ++extern void ssb_extif_init(struct ssb_extif *extif); ++#else ++static inline void ssb_extif_init(struct ssb_extif *extif) ++{ ++} ++#endif ++ ++#ifdef CONFIG_SSB_DRIVER_GPIO ++extern int ssb_gpio_init(struct ssb_bus *bus); ++#else /* CONFIG_SSB_DRIVER_GPIO */ ++static inline int ssb_gpio_init(struct ssb_bus *bus) ++{ ++ return -ENOTSUPP; ++} ++#endif /* CONFIG_SSB_DRIVER_GPIO */ #endif /* LINUX_SSB_PRIVATE_H_ */ --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h -@@ -8,6 +8,7 @@ +@@ -6,8 +6,10 @@ + #include <linux/types.h> + #include <linux/spinlock.h> #include <linux/pci.h> ++#include <linux/gpio.h> #include <linux/mod_devicetable.h> #include <linux/dma-mapping.h> +#include <linux/platform_device.h> #include <linux/ssb/ssb_regs.h> -@@ -432,6 +433,7 @@ struct ssb_bus { +@@ -432,7 +434,11 @@ struct ssb_bus { #ifdef CONFIG_SSB_EMBEDDED /* Lock for GPIO register access. */ spinlock_t gpio_lock; + struct platform_device *watchdog; #endif /* EMBEDDED */ ++#ifdef CONFIG_SSB_DRIVER_GPIO ++ struct gpio_chip gpio; ++#endif /* DRIVER_GPIO */ /* Internal-only stuff follows. Do not touch. */ + struct list_head list; --- a/include/linux/ssb/ssb_driver_chipcommon.h +++ b/include/linux/ssb/ssb_driver_chipcommon.h @@ -504,7 +504,9 @@ @@ -494,16 +985,18 @@ /* Status register bits for ST flashes */ #define SSB_CHIPCO_FLASHSTA_ST_WIP 0x01 /* Write In Progress */ -@@ -589,6 +591,8 @@ struct ssb_chipcommon { +@@ -588,7 +590,10 @@ struct ssb_chipcommon { + u32 status; /* Fast Powerup Delay constant */ u16 fast_pwrup_delay; ++ spinlock_t gpio_lock; struct ssb_chipcommon_pmu pmu; + u32 ticks_per_ms; + u32 max_timer_ms; }; static inline bool ssb_chipco_available(struct ssb_chipcommon *cc) -@@ -628,8 +632,7 @@ enum ssb_clkmode { +@@ -628,8 +633,7 @@ enum ssb_clkmode { extern void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, enum ssb_clkmode mode); @@ -513,9 +1006,18 @@ void ssb_chipco_irq_mask(struct ssb_chipcommon *cc, u32 mask, u32 value); +@@ -642,6 +646,8 @@ u32 ssb_chipco_gpio_outen(struct ssb_chi + u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value); + u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value); + u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value); ++u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value); ++u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value); + + #ifdef CONFIG_SSB_SERIAL + extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc, --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h -@@ -152,6 +152,9 @@ +@@ -152,12 +152,16 @@ /* watchdog */ #define SSB_EXTIF_WATCHDOG_CLK 48000000 /* Hz */ @@ -525,7 +1027,14 @@ #ifdef CONFIG_SSB_DRIVER_EXTIF -@@ -171,8 +174,7 @@ extern void ssb_extif_get_clockcontrol(s + + struct ssb_extif { + struct ssb_device *dev; ++ spinlock_t gpio_lock; + }; + + static inline bool ssb_extif_available(struct ssb_extif *extif) +@@ -171,8 +175,7 @@ extern void ssb_extif_get_clockcontrol(s extern void ssb_extif_timing_init(struct ssb_extif *extif, unsigned long ns); @@ -535,7 +1044,7 @@ /* Extif GPIO pin access */ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask); -@@ -205,10 +207,52 @@ void ssb_extif_get_clockcontrol(struct s +@@ -205,10 +208,52 @@ void ssb_extif_get_clockcontrol(struct s } static inline @@ -627,3 +1136,25 @@ #define SSB_SPROM8_TEMPDELTA_PHYCAL 0x00ff #define SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT 0 #define SSB_SPROM8_TEMPDELTA_PERIOD 0x0f00 +--- /dev/null ++++ b/include/linux/bcm47xx_wdt.h +@@ -0,0 +1,19 @@ ++#ifndef LINUX_BCM47XX_WDT_H_ ++#define LINUX_BCM47XX_WDT_H_ ++ ++#include <linux/types.h> ++ ++ ++struct bcm47xx_wdt { ++ u32 (*timer_set)(struct bcm47xx_wdt *, u32); ++ u32 (*timer_set_ms)(struct bcm47xx_wdt *, u32); ++ u32 max_timer_ms; ++ ++ void *driver_data; ++}; ++ ++static inline void *bcm47xx_wdt_get_drvdata(struct bcm47xx_wdt *wdt) ++{ ++ return wdt->driver_data; ++} ++#endif /* LINUX_BCM47XX_WDT_H_ */ diff --git a/target/linux/generic/patches-3.6/021-ssb_bcma_watchdog_header.patch b/target/linux/generic/patches-3.6/021-ssb_bcma_watchdog_header.patch deleted file mode 100644 index 18feeab0be..0000000000 --- a/target/linux/generic/patches-3.6/021-ssb_bcma_watchdog_header.patch +++ /dev/null @@ -1,22 +0,0 @@ ---- /dev/null -+++ b/include/linux/bcm47xx_wdt.h -@@ -0,0 +1,19 @@ -+#ifndef LINUX_BCM47XX_WDT_H_ -+#define LINUX_BCM47XX_WDT_H_ -+ -+#include <linux/types.h> -+ -+ -+struct bcm47xx_wdt { -+ u32 (*timer_set)(struct bcm47xx_wdt *, u32); -+ u32 (*timer_set_ms)(struct bcm47xx_wdt *, u32); -+ u32 max_timer_ms; -+ -+ void *driver_data; -+}; -+ -+static inline void *bcm47xx_wdt_get_drvdata(struct bcm47xx_wdt *wdt) -+{ -+ return wdt->driver_data; -+} -+#endif /* LINUX_BCM47XX_WDT_H_ */ diff --git a/target/linux/generic/patches-3.6/025-bcma_backport.patch b/target/linux/generic/patches-3.6/025-bcma_backport.patch index 2e4a70a680..15b5c6f5e7 100644 --- a/target/linux/generic/patches-3.6/025-bcma_backport.patch +++ b/target/linux/generic/patches-3.6/025-bcma_backport.patch @@ -1,33 +1,3 @@ ---- a/arch/mips/bcm47xx/nvram.c -+++ b/arch/mips/bcm47xx/nvram.c -@@ -43,8 +43,8 @@ static void early_nvram_init(void) - #ifdef CONFIG_BCM47XX_SSB - case BCM47XX_BUS_TYPE_SSB: - mcore_ssb = &bcm47xx_bus.ssb.mipscore; -- base = mcore_ssb->flash_window; -- lim = mcore_ssb->flash_window_size; -+ base = mcore_ssb->pflash.window; -+ lim = mcore_ssb->pflash.window_size; - break; - #endif - #ifdef CONFIG_BCM47XX_BCMA ---- a/arch/mips/bcm47xx/wgt634u.c -+++ b/arch/mips/bcm47xx/wgt634u.c -@@ -156,10 +156,10 @@ static int __init wgt634u_init(void) - SSB_CHIPCO_IRQ_GPIO); - } - -- wgt634u_flash_data.width = mcore->flash_buswidth; -- wgt634u_flash_resource.start = mcore->flash_window; -- wgt634u_flash_resource.end = mcore->flash_window -- + mcore->flash_window_size -+ wgt634u_flash_data.width = mcore->pflash.buswidth; -+ wgt634u_flash_resource.start = mcore->pflash.window; -+ wgt634u_flash_resource.end = mcore->pflash.window -+ + mcore->pflash.window_size - - 1; - return platform_add_devices(wgt634u_devices, - ARRAY_SIZE(wgt634u_devices)); --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig @@ -48,12 +48,12 @@ config BCMA_DRIVER_MIPS @@ -45,9 +15,43 @@ default y config BCMA_DRIVER_GMAC_CMN +@@ -65,6 +65,14 @@ config BCMA_DRIVER_GMAC_CMN + + If unsure, say N + ++config BCMA_DRIVER_GPIO ++ bool "BCMA GPIO driver" ++ depends on BCMA && GPIOLIB ++ help ++ Driver to provide access to the GPIO pins of the bcma bus. ++ ++ If unsure, say N ++ + config BCMA_DEBUG + bool "BCMA debugging" + depends on BCMA +--- 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 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h -@@ -48,12 +48,13 @@ void bcma_chipco_serial_init(struct bcma +@@ -31,6 +31,8 @@ int __init bcma_bus_early_register(struc + int bcma_bus_suspend(struct bcma_bus *bus); + int bcma_bus_resume(struct bcma_bus *bus); + #endif ++struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, ++ u8 unit); + + /* scan.c */ + int bcma_bus_scan(struct bcma_bus *bus); +@@ -48,12 +50,13 @@ void bcma_chipco_serial_init(struct bcma #endif /* CONFIG_BCMA_DRIVER_MIPS */ /* driver_chipcommon_pmu.c */ @@ -63,7 +67,7 @@ #else static inline int bcma_sflash_init(struct bcma_drv_cc *cc) { -@@ -65,6 +66,7 @@ static inline int bcma_sflash_init(struc +@@ -65,6 +68,7 @@ static inline int bcma_sflash_init(struc #ifdef CONFIG_BCMA_NFLASH /* driver_chipcommon_nflash.c */ int bcma_nflash_init(struct bcma_drv_cc *cc); @@ -71,7 +75,7 @@ #else static inline int bcma_nflash_init(struct bcma_drv_cc *cc) { -@@ -82,6 +84,8 @@ extern void __exit bcma_host_pci_exit(vo +@@ -82,9 +86,21 @@ extern void __exit bcma_host_pci_exit(vo /* driver_pci.c */ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address); @@ -80,6 +84,19 @@ #ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE bool __devinit bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc); void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); + #endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ + ++#ifdef CONFIG_BCMA_DRIVER_GPIO ++/* driver_gpio.c */ ++int bcma_gpio_init(struct bcma_drv_cc *cc); ++#else ++static inline int bcma_gpio_init(struct bcma_drv_cc *cc) ++{ ++ return -ENOTSUPP; ++} ++#endif /* CONFIG_BCMA_DRIVER_GPIO */ ++ + #endif --- a/drivers/bcma/core.c +++ b/drivers/bcma/core.c @@ -65,7 +65,7 @@ void bcma_core_set_clockmode(struct bcma @@ -109,7 +126,7 @@ #include <linux/bcma/bcma.h> static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset, -@@ -22,12 +25,93 @@ static inline u32 bcma_cc_write32_masked +@@ -22,20 +25,119 @@ static inline u32 bcma_cc_write32_masked return value; } @@ -206,8 +223,11 @@ + if (cc->early_setup_done) return; ++ spin_lock_init(&cc->gpio_lock); ++ if (cc->core->id.rev >= 11) -@@ -36,6 +120,22 @@ void bcma_core_chipcommon_init(struct bc + cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT); + cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP); if (cc->core->id.rev >= 35) cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT); @@ -230,7 +250,7 @@ if (cc->core->id.rev >= 20) { bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0); bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0); -@@ -56,15 +156,33 @@ void bcma_core_chipcommon_init(struct bc +@@ -56,15 +158,33 @@ void bcma_core_chipcommon_init(struct bc ((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) | (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT))); } @@ -267,7 +287,110 @@ } void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value) -@@ -118,8 +236,7 @@ void bcma_chipco_serial_init(struct bcma +@@ -84,28 +204,97 @@ u32 bcma_chipco_gpio_in(struct bcma_drv_ + + 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; ++ ++ 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; + } + + 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; ++ ++ 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; + } + ++/* ++ * If the bit is set to 0, chipcommon controlls this GPIO, ++ * if the bit is set to 1, it is used by some part of the chip and not our code. ++ */ + 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; ++ ++ 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_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; ++ ++ 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; + } + + 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; ++ ++ 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; ++} ++ ++u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value) ++{ ++ unsigned long flags; ++ u32 res; ++ ++ if (cc->core->id.rev < 20) ++ return 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLUP, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; ++} ++ ++u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value) ++{ ++ unsigned long flags; ++ u32 res; ++ ++ if (cc->core->id.rev < 20) ++ return 0; ++ ++ spin_lock_irqsave(&cc->gpio_lock, flags); ++ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLDOWN, mask, value); ++ spin_unlock_irqrestore(&cc->gpio_lock, flags); ++ ++ return res; + } + + #ifdef CONFIG_BCMA_DRIVER_MIPS +@@ -118,8 +307,7 @@ void bcma_chipco_serial_init(struct bcma struct bcma_serial_port *ports = cc->serial_ports; if (ccrev >= 11 && ccrev != 15) { @@ -325,7 +448,22 @@ } --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c -@@ -76,7 +76,10 @@ static void bcma_pmu_resources_init(stru +@@ -13,12 +13,13 @@ + #include <linux/export.h> + #include <linux/bcma/bcma.h> + +-static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) ++u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset) + { + bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset); + bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR); + return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA); + } ++EXPORT_SYMBOL_GPL(bcma_chipco_pll_read); + + void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value) + { +@@ -76,7 +77,10 @@ static void bcma_pmu_resources_init(stru if (max_msk) bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk); @@ -337,7 +475,7 @@ mdelay(2); } -@@ -101,7 +104,7 @@ void bcma_chipco_bcm4331_ext_pa_lines_ct +@@ -101,7 +105,7 @@ void bcma_chipco_bcm4331_ext_pa_lines_ct bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val); } @@ -346,7 +484,7 @@ { struct bcma_bus *bus = cc->core->bus; -@@ -141,7 +144,7 @@ void bcma_pmu_workarounds(struct bcma_dr +@@ -141,7 +145,7 @@ void bcma_pmu_workarounds(struct bcma_dr } } @@ -355,7 +493,7 @@ { u32 pmucap; -@@ -150,7 +153,10 @@ void bcma_pmu_init(struct bcma_drv_cc *c +@@ -150,7 +154,10 @@ void bcma_pmu_init(struct bcma_drv_cc *c bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev, pmucap); @@ -366,7 +504,7 @@ if (cc->pmu.rev == 1) bcma_cc_mask32(cc, BCMA_CC_PMU_CTL, ~BCMA_CC_PMU_CTL_NOILPONW); -@@ -162,7 +168,7 @@ void bcma_pmu_init(struct bcma_drv_cc *c +@@ -162,7 +169,7 @@ void bcma_pmu_init(struct bcma_drv_cc *c bcma_pmu_workarounds(cc); } @@ -375,7 +513,7 @@ { struct bcma_bus *bus = cc->core->bus; -@@ -190,7 +196,7 @@ u32 bcma_pmu_alp_clock(struct bcma_drv_c +@@ -190,7 +197,7 @@ u32 bcma_pmu_alp_clock(struct bcma_drv_c /* Find the output of the "m" pll divider given pll controls that start with * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc. */ @@ -384,7 +522,7 @@ { u32 tmp, div, ndiv, p1, p2, fc; struct bcma_bus *bus = cc->core->bus; -@@ -219,14 +225,14 @@ static u32 bcma_pmu_clock(struct bcma_dr +@@ -219,14 +226,14 @@ static u32 bcma_pmu_clock(struct bcma_dr ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT; /* Do calculation in Mhz */ @@ -401,7 +539,7 @@ { u32 tmp, ndiv, p1div, p2div; u32 clock; -@@ -257,7 +263,7 @@ static u32 bcma_pmu_clock_bcm4706(struct +@@ -257,7 +264,7 @@ static u32 bcma_pmu_clock_bcm4706(struct } /* query bus clock frequency for PMU-enabled chipcommon */ @@ -410,7 +548,7 @@ { struct bcma_bus *bus = cc->core->bus; -@@ -265,40 +271,42 @@ u32 bcma_pmu_get_clockcontrol(struct bcm +@@ -265,40 +272,42 @@ u32 bcma_pmu_get_clockcontrol(struct bcm case BCMA_CHIP_ID_BCM4716: case BCMA_CHIP_ID_BCM4748: case BCMA_CHIP_ID_BCM47162: @@ -464,7 +602,7 @@ BCMA_CC_PMU4706_MAINPLL_PLL0, BCMA_CC_PMU5_MAINPLL_CPU); case BCMA_CHIP_ID_BCM5356: -@@ -313,10 +321,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr +@@ -313,10 +322,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr break; } @@ -516,7 +654,7 @@ + { "M25P40", 0x12, 0x10000, 8, }, + + { "M25P16", 0x14, 0x10000, 32, }, -+ { "M25P32", 0x14, 0x10000, 64, }, ++ { "M25P32", 0x15, 0x10000, 64, }, + { "M25P64", 0x16, 0x10000, 128, }, + { "M25FL128", 0x17, 0x10000, 256, }, + { 0 }, @@ -645,18 +783,214 @@ + return 0; } +--- /dev/null ++++ b/drivers/bcma/driver_gpio.c +@@ -0,0 +1,98 @@ ++/* ++ * Broadcom specific AMBA ++ * GPIO driver ++ * ++ * Copyright 2011, Broadcom Corporation ++ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de> ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++ ++#include <linux/gpio.h> ++#include <linux/export.h> ++#include <linux/bcma/bcma.h> ++ ++#include "bcma_private.h" ++ ++static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip) ++{ ++ return container_of(chip, struct bcma_drv_cc, gpio); ++} ++ ++static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ return !!bcma_chipco_gpio_in(cc, 1 << gpio); ++} ++ ++static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio, ++ int value) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0); ++} ++ ++static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ bcma_chipco_gpio_outen(cc, 1 << gpio, 0); ++ return 0; ++} ++ ++static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, ++ int value) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio); ++ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0); ++ return 0; ++} ++ ++static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ bcma_chipco_gpio_control(cc, 1 << gpio, 0); ++ /* clear pulldown */ ++ bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0); ++ /* Set pullup */ ++ bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio); ++ ++ return 0; ++} ++ ++static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) ++{ ++ struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); ++ ++ /* clear pullup */ ++ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); ++} ++ ++int bcma_gpio_init(struct bcma_drv_cc *cc) ++{ ++ struct gpio_chip *chip = &cc->gpio; ++ ++ chip->label = "bcma_gpio"; ++ chip->owner = THIS_MODULE; ++ chip->request = bcma_gpio_request; ++ chip->free = bcma_gpio_free; ++ chip->get = bcma_gpio_get_value; ++ chip->set = bcma_gpio_set_value; ++ chip->direction_input = bcma_gpio_direction_input; ++ chip->direction_output = bcma_gpio_direction_output; ++ chip->ngpio = 16; ++ /* There is just one SoC in one device and its GPIO addresses should be ++ * deterministic to address them more easily. The other buses could get ++ * a random base number. */ ++ if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) ++ chip->base = 0; ++ else ++ chip->base = -1; ++ ++ return gpiochip_add(chip); ++} --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c -@@ -115,7 +115,7 @@ static void bcma_core_mips_set_irq(struc +@@ -74,11 +74,16 @@ static u32 bcma_core_mips_irqflag(struct + return dev->core_index; + flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30); + +- return flag & 0x1F; ++ if (flag) ++ return flag & 0x1F; ++ else ++ return 0x3f; + } + + /* Get the MIPS IRQ assignment for a specified device. + * If unassigned, 0 is returned. ++ * If disabled, 5 is returned. ++ * If not supported, 6 is returned. + */ + unsigned int bcma_core_mips_irq(struct bcma_device *dev) + { +@@ -87,13 +92,15 @@ unsigned int bcma_core_mips_irq(struct b + unsigned int irq; + + irqflag = bcma_core_mips_irqflag(dev); ++ if (irqflag == 0x3f) ++ return 6; + +- for (irq = 1; irq <= 4; irq++) ++ for (irq = 0; irq <= 4; irq++) + if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) & + (1 << irqflag)) + return irq; + +- return 0; ++ return 5; + } + EXPORT_SYMBOL(bcma_core_mips_irq); + +@@ -114,8 +121,8 @@ static void bcma_core_mips_set_irq(struc + bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0), bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) & ~(1 << irqflag)); - else +- else - bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq), 0); ++ else if (oldirq != 5) + bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0); /* assign the new one */ if (irq == 0) { -@@ -171,7 +171,7 @@ u32 bcma_cpu_clock(struct bcma_drv_mips +@@ -123,9 +130,9 @@ static void bcma_core_mips_set_irq(struc + bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) | + (1 << irqflag)); + } else { +- u32 oldirqflag = bcma_read32(mdev, +- BCMA_MIPS_MIPS74K_INTMASK(irq)); +- if (oldirqflag) { ++ u32 irqinitmask = bcma_read32(mdev, ++ BCMA_MIPS_MIPS74K_INTMASK(irq)); ++ if (irqinitmask) { + struct bcma_device *core; + + /* backplane irq line is in use, find out who uses +@@ -133,7 +140,7 @@ static void bcma_core_mips_set_irq(struc + */ + list_for_each_entry(core, &bus->cores, list) { + if ((1 << bcma_core_mips_irqflag(core)) == +- oldirqflag) { ++ irqinitmask) { + bcma_core_mips_set_irq(core, 0); + break; + } +@@ -143,15 +150,31 @@ static void bcma_core_mips_set_irq(struc + 1 << irqflag); + } + +- bcma_info(bus, "set_irq: core 0x%04x, irq %d => %d\n", +- dev->id.id, oldirq + 2, irq + 2); ++ bcma_debug(bus, "set_irq: core 0x%04x, irq %d => %d\n", ++ dev->id.id, oldirq <= 4 ? oldirq + 2 : 0, irq + 2); ++} ++ ++static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq, ++ u16 coreid, u8 unit) ++{ ++ struct bcma_device *core; ++ ++ core = bcma_find_core_unit(bus, coreid, unit); ++ if (!core) { ++ bcma_warn(bus, ++ "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n", ++ coreid, unit); ++ return; ++ } ++ ++ bcma_core_mips_set_irq(core, irq); + } + + static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq) + { + int i; + static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"}; +- printk(KERN_INFO KBUILD_MODNAME ": core 0x%04x, irq :", dev->id.id); ++ printk(KERN_DEBUG KBUILD_MODNAME ": core 0x%04x, irq :", dev->id.id); + for (i = 0; i <= 6; i++) + printk(" %s%s", irq_name[i], i == irq ? "*" : " "); + printk("\n"); +@@ -171,7 +194,7 @@ u32 bcma_cpu_clock(struct bcma_drv_mips struct bcma_bus *bus = mcore->core->bus; if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU) @@ -665,7 +999,7 @@ bcma_err(bus, "No PMU available, need this to get the cpu clock\n"); return 0; -@@ -181,47 +181,66 @@ EXPORT_SYMBOL(bcma_cpu_clock); +@@ -181,85 +204,109 @@ EXPORT_SYMBOL(bcma_cpu_clock); static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) { struct bcma_bus *bus = mcore->core->bus; @@ -731,21 +1065,88 @@ struct bcma_device *core; bus = mcore->core->bus; +- bcma_info(bus, "Initializing MIPS core...\n"); + if (mcore->setup_done) + return; -+ - bcma_info(bus, "Initializing MIPS core...\n"); - if (!mcore->setup_done) - mcore->assigned_irqs = 1; ++ bcma_debug(bus, "Initializing MIPS core...\n"); + +- /* Assign IRQs to all cores on the bus */ +- list_for_each_entry(core, &bus->cores, list) { +- int mips_irq; +- if (core->irq) +- continue; +- +- mips_irq = bcma_core_mips_irq(core); +- if (mips_irq > 4) +- core->irq = 0; +- else +- core->irq = mips_irq + 2; +- if (core->irq > 5) +- continue; +- switch (core->id.id) { +- case BCMA_CORE_PCI: +- case BCMA_CORE_PCIE: +- case BCMA_CORE_ETHERNET: +- case BCMA_CORE_ETHERNET_GBIT: +- case BCMA_CORE_MAC_GBIT: +- case BCMA_CORE_80211: +- case BCMA_CORE_USB20_HOST: +- /* These devices get their own IRQ line if available, +- * the rest goes on IRQ0 +- */ +- if (mcore->assigned_irqs <= 4) +- bcma_core_mips_set_irq(core, +- mcore->assigned_irqs++); +- break; + bcma_core_mips_early_init(mcore); + -+ mcore->assigned_irqs = 1; - - /* Assign IRQs to all cores on the bus */ - list_for_each_entry(core, &bus->cores, list) { -@@ -256,10 +275,5 @@ void bcma_core_mips_init(struct bcma_drv - bcma_info(bus, "IRQ reconfiguration done\n"); ++ switch (bus->chipinfo.id) { ++ case BCMA_CHIP_ID_BCM4716: ++ case BCMA_CHIP_ID_BCM4748: ++ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0); ++ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0); ++ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0); ++ bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_PCIE, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0); ++ break; ++ case BCMA_CHIP_ID_BCM5356: ++ case BCMA_CHIP_ID_BCM47162: ++ case BCMA_CHIP_ID_BCM53572: ++ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0); ++ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0); ++ break; ++ case BCMA_CHIP_ID_BCM5357: ++ case BCMA_CHIP_ID_BCM4749: ++ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0); ++ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0); ++ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0); ++ break; ++ case BCMA_CHIP_ID_BCM4706: ++ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_PCIE, 0); ++ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_4706_MAC_GBIT, ++ 0); ++ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_PCIE, 1); ++ bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_USB20_HOST, 0); ++ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_4706_CHIPCOMMON, ++ 0); ++ break; ++ default: ++ list_for_each_entry(core, &bus->cores, list) { ++ core->irq = bcma_core_mips_irq(core) + 2; + } ++ bcma_err(bus, ++ "Unknown device (0x%x) found, can not configure IRQs\n", ++ bus->chipinfo.id); + } +- bcma_info(bus, "IRQ reconfiguration done\n"); ++ bcma_debug(bus, "IRQ reconfiguration done\n"); bcma_core_mips_dump_irq(bus); - if (mcore->setup_done) @@ -972,8 +1373,8 @@ } EXPORT_SYMBOL_GPL(bcma_find_core); -+static struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, -+ u8 unit) ++struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, ++ u8 unit) +{ + struct bcma_device *core; + @@ -987,7 +1388,7 @@ static void bcma_release_core_dev(struct device *dev) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); -@@ -136,6 +149,28 @@ static int bcma_register_cores(struct bc +@@ -136,6 +149,33 @@ static int bcma_register_cores(struct bc dev_id++; } @@ -1006,6 +1407,11 @@ + bcma_err(bus, "Error registering NAND flash\n"); + } +#endif ++ err = bcma_gpio_init(&bus->drv_cc); ++ if (err == -ENOTSUPP) ++ bcma_debug(bus, "GPIO driver not activated\n"); ++ else if (err) ++ bcma_err(bus, "Error registering GPIO driver: %i\n", err); + + if (bus->hosttype == BCMA_HOSTTYPE_SOC) { + err = bcma_chipco_watchdog_register(&bus->drv_cc); @@ -1016,7 +1422,7 @@ return 0; } -@@ -148,6 +183,8 @@ static void bcma_unregister_cores(struct +@@ -148,6 +188,8 @@ static void bcma_unregister_cores(struct if (core->dev_registered) device_unregister(&core->dev); } @@ -1025,7 +1431,7 @@ } int __devinit bcma_bus_register(struct bcma_bus *bus) -@@ -166,6 +203,20 @@ int __devinit bcma_bus_register(struct b +@@ -166,6 +208,20 @@ int __devinit bcma_bus_register(struct b return -1; } @@ -1046,7 +1452,7 @@ /* Init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { -@@ -181,10 +232,17 @@ int __devinit bcma_bus_register(struct b +@@ -181,10 +237,17 @@ int __devinit bcma_bus_register(struct b } /* Init PCIE core */ @@ -1067,7 +1473,7 @@ } /* Init GBIT MAC COMMON core */ -@@ -194,13 +252,6 @@ int __devinit bcma_bus_register(struct b +@@ -194,13 +257,6 @@ int __devinit bcma_bus_register(struct b bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); } @@ -1081,7 +1487,7 @@ /* Register found cores */ bcma_register_cores(bus); -@@ -211,7 +262,17 @@ int __devinit bcma_bus_register(struct b +@@ -211,7 +267,17 @@ int __devinit bcma_bus_register(struct b void bcma_bus_unregister(struct bcma_bus *bus) { @@ -1099,7 +1505,7 @@ } int __init bcma_bus_early_register(struct bcma_bus *bus, -@@ -248,18 +309,18 @@ int __init bcma_bus_early_register(struc +@@ -248,18 +314,18 @@ int __init bcma_bus_early_register(struc return -1; } @@ -1187,18 +1593,27 @@ struct bcma_drv_mips drv_mips; struct bcma_drv_gmac_cmn drv_gmac_cmn; +@@ -345,6 +350,7 @@ extern void bcma_core_set_clockmode(stru + enum bcma_clkmode clkmode); + extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, + bool on); ++extern u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset); + #define BCMA_DMA_TRANSLATION_MASK 0xC0000000 + #define BCMA_DMA_TRANSLATION_NONE 0x00000000 + #define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */ --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h -@@ -1,6 +1,8 @@ +@@ -1,6 +1,9 @@ #ifndef LINUX_BCMA_DRIVER_CC_H_ #define LINUX_BCMA_DRIVER_CC_H_ +#include <linux/platform_device.h> ++#include <linux/gpio.h> + /** ChipCommon core registers. **/ #define BCMA_CC_ID 0x0000 #define BCMA_CC_ID_ID 0x0000FFFF -@@ -100,6 +102,7 @@ +@@ -100,6 +103,7 @@ #define BCMA_CC_CHIPST_4706_SFLASH_TYPE BIT(2) /* 0: 8b-p/ST-s flash, 1: 16b-p/Atmal-s flash */ #define BCMA_CC_CHIPST_4706_MIPS_BENDIAN BIT(3) /* 0: little, 1: big endian */ #define BCMA_CC_CHIPST_4706_PCIE1_DISABLE BIT(5) /* PCIE1 enable strap pin */ @@ -1206,7 +1621,7 @@ #define BCMA_CC_JCMD 0x0030 /* Rev >= 10 only */ #define BCMA_CC_JCMD_START 0x80000000 #define BCMA_CC_JCMD_BUSY 0x80000000 -@@ -266,6 +269,29 @@ +@@ -266,6 +270,29 @@ #define BCMA_CC_SROM_CONTROL_SIZE_16K 0x00000004 #define BCMA_CC_SROM_CONTROL_SIZE_SHIFT 1 #define BCMA_CC_SROM_CONTROL_PRESENT 0x00000001 @@ -1236,7 +1651,7 @@ /* 0x1E0 is defined as shared BCMA_CLKCTLST */ #define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */ #define BCMA_CC_UART0_DATA 0x0300 -@@ -325,6 +351,60 @@ +@@ -325,6 +352,60 @@ #define BCMA_CC_PLLCTL_ADDR 0x0660 #define BCMA_CC_PLLCTL_DATA 0x0664 #define BCMA_CC_SPROM 0x0800 /* SPROM beginning */ @@ -1297,7 +1712,7 @@ /* Divider allocation in 4716/47162/5356 */ #define BCMA_CC_PMU5_MAINPLL_CPU 1 -@@ -415,6 +495,13 @@ +@@ -415,6 +496,13 @@ /* 4313 Chip specific ChipControl register bits */ #define BCMA_CCTRL_4313_12MA_LED_DRIVE 0x00000007 /* 12 mA drive strengh for later 4313 */ @@ -1311,7 +1726,7 @@ /* Data for the PMU, if available. * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) */ -@@ -425,11 +512,35 @@ struct bcma_chipcommon_pmu { +@@ -425,11 +513,35 @@ struct bcma_chipcommon_pmu { #ifdef CONFIG_BCMA_DRIVER_MIPS struct bcma_pflash { @@ -1347,7 +1762,7 @@ struct bcma_serial_port { void *regs; unsigned long clockspeed; -@@ -445,15 +556,24 @@ struct bcma_drv_cc { +@@ -445,15 +557,30 @@ struct bcma_drv_cc { u32 capabilities; u32 capabilities_ext; u8 setup_done:1; @@ -1369,10 +1784,16 @@ #endif /* CONFIG_BCMA_DRIVER_MIPS */ + u32 ticks_per_ms; + struct platform_device *watchdog; ++ ++ /* Lock for GPIO register access. */ ++ spinlock_t gpio_lock; ++#ifdef CONFIG_BCMA_DRIVER_GPIO ++ struct gpio_chip gpio; ++#endif }; /* Register access */ -@@ -470,14 +590,14 @@ struct bcma_drv_cc { +@@ -470,14 +597,14 @@ struct bcma_drv_cc { bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set)) extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc); @@ -1389,7 +1810,12 @@ void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value); -@@ -493,6 +613,7 @@ u32 bcma_chipco_gpio_polarity(struct bcm +@@ -490,9 +617,12 @@ u32 bcma_chipco_gpio_outen(struct bcma_d + 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); ++u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value); ++u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value); /* PMU support */ extern void bcma_pmu_init(struct bcma_drv_cc *cc); @@ -1399,12 +1825,12 @@ u32 value); --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h -@@ -35,13 +35,16 @@ struct bcma_device; +@@ -35,13 +35,15 @@ struct bcma_device; struct bcma_drv_mips { struct bcma_device *core; u8 setup_done:1; +- unsigned int assigned_irqs; + u8 early_setup_done:1; - unsigned int assigned_irqs; }; #ifdef CONFIG_BCMA_DRIVER_MIPS |