--- a/arch/mips/bcm47xx/serial.c +++ b/arch/mips/bcm47xx/serial.c @@ -62,7 +62,7 @@ static int __init uart8250_init_bcma(voi p->mapbase = (unsigned int) bcma_port->regs; p->membase = (void *) bcma_port->regs; - p->irq = bcma_port->irq + 2; + p->irq = bcma_port->irq; p->uartclk = bcma_port->baud_base; p->regshift = bcma_port->reg_shift; p->iotype = UPIO_MEM; --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig @@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE config BCMA_HOST_PCI bool "Support for BCMA on PCI-host bus" depends on BCMA_HOST_PCI_POSSIBLE + default y config BCMA_DRIVER_PCI_HOSTMODE bool "Driver for PCI core working in hostmode" @@ -34,8 +35,14 @@ config BCMA_DRIVER_PCI_HOSTMODE PCI core hostmode operation (external PCI bus). config BCMA_HOST_SOC - bool - depends on BCMA_DRIVER_MIPS + bool "Support for BCMA in a SoC" + depends on BCMA + help + Host interface for a Broadcom AIX bus directly mapped into + the memory. This only works with the Broadcom SoCs from the + BCM47XX line. + + If unsure, say N config BCMA_DRIVER_MIPS bool "BCMA Broadcom MIPS core driver" @@ -48,12 +55,12 @@ config BCMA_DRIVER_MIPS config BCMA_SFLASH bool - depends on BCMA_DRIVER_MIPS && BROKEN + depends on BCMA_DRIVER_MIPS default y config BCMA_NFLASH bool - depends on BCMA_DRIVER_MIPS && BROKEN + depends on BCMA_DRIVER_MIPS default y config BCMA_DRIVER_GMAC_CMN @@ -65,6 +72,14 @@ 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 @@ -22,6 +22,8 @@ struct bcma_bus; /* main.c */ +bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, + int timeout); int __devinit bcma_bus_register(struct bcma_bus *bus); void bcma_bus_unregister(struct bcma_bus *bus); int __init bcma_bus_early_register(struct bcma_bus *bus, @@ -31,6 +33,8 @@ 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); @@ -45,15 +49,17 @@ int bcma_sprom_get(struct bcma_bus *bus) /* driver_chipcommon.c */ #ifdef CONFIG_BCMA_DRIVER_MIPS void bcma_chipco_serial_init(struct bcma_drv_cc *cc); +extern struct platform_device bcma_pflash_dev; #endif /* CONFIG_BCMA_DRIVER_MIPS */ /* driver_chipcommon_pmu.c */ -u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc); -u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc); +u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc); +u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc); #ifdef CONFIG_BCMA_SFLASH /* driver_chipcommon_sflash.c */ int bcma_sflash_init(struct bcma_drv_cc *cc); +extern struct platform_device bcma_sflash_dev; #else static inline int bcma_sflash_init(struct bcma_drv_cc *cc) { @@ -65,6 +71,7 @@ static inline int bcma_sflash_init(struc #ifdef CONFIG_BCMA_NFLASH /* driver_chipcommon_nflash.c */ int bcma_nflash_init(struct bcma_drv_cc *cc); +extern struct platform_device bcma_nflash_dev; #else static inline int bcma_nflash_init(struct bcma_drv_cc *cc) { @@ -82,9 +89,26 @@ extern void __exit bcma_host_pci_exit(vo /* driver_pci.c */ u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address); +extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc); + #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); +int bcma_gpio_unregister(struct bcma_drv_cc *cc); +#else +static inline int bcma_gpio_init(struct bcma_drv_cc *cc) +{ + return -ENOTSUPP; +} +static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return 0; +} +#endif /* CONFIG_BCMA_DRIVER_GPIO */ + #endif --- a/drivers/bcma/core.c +++ b/drivers/bcma/core.c @@ -9,6 +9,25 @@ #include #include +static bool bcma_core_wait_value(struct bcma_device *core, u16 reg, u32 mask, + u32 value, int timeout) +{ + unsigned long deadline = jiffies + timeout; + u32 val; + + do { + val = bcma_aread32(core, reg); + if ((val & mask) == value) + return true; + cpu_relax(); + udelay(10); + } while (!time_after_eq(jiffies, deadline)); + + bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); + + return false; +} + bool bcma_core_is_enabled(struct bcma_device *core) { if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC)) @@ -25,13 +44,15 @@ void bcma_core_disable(struct bcma_devic if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET) return; - bcma_awrite32(core, BCMA_IOCTL, flags); - bcma_aread32(core, BCMA_IOCTL); - udelay(10); + bcma_core_wait_value(core, BCMA_RESET_ST, ~0, 0, 300); bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET); bcma_aread32(core, BCMA_RESET_CTL); udelay(1); + + bcma_awrite32(core, BCMA_IOCTL, flags); + bcma_aread32(core, BCMA_IOCTL); + udelay(10); } EXPORT_SYMBOL_GPL(bcma_core_disable); @@ -43,6 +64,7 @@ int bcma_core_enable(struct bcma_device bcma_aread32(core, BCMA_IOCTL); bcma_awrite32(core, BCMA_RESET_CTL, 0); + bcma_aread32(core, BCMA_RESET_CTL); udelay(1); bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags)); @@ -65,7 +87,7 @@ void bcma_core_set_clockmode(struct bcma switch (clkmode) { case BCMA_CLKMODE_FAST: bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT); - udelay(64); + usleep_range(64, 300); for (i = 0; i < 1500; i++) { if (bcma_read32(core, BCMA_CLKCTLST) & BCMA_CLKCTLST_HAVEHT) { @@ -104,7 +126,13 @@ void bcma_core_pll_ctl(struct bcma_devic if (i) bcma_err(core->bus, "PLL enable timeout\n"); } else { - bcma_warn(core->bus, "Disabling PLL not supported yet!\n"); + /* + * Mask the PLL but don't wait for it to be disabled. PLL may be + * shared between cores and will be still up if there is another + * core using it. + */ + bcma_mask32(core, BCMA_CLKCTLST, ~req); + bcma_read32(core, BCMA_CLKCTLST); } } EXPORT_SYMBOL_GPL(bcma_core_pll_ctl); --- a/drivers/bcma/driver_chipcommon.c +++ b/drivers/bcma/driver_chipcommon.c @@ -4,12 +4,15 @@ * * Copyright 2005, Broadcom Corporation * Copyright 2006, 2007, Michael Buesch + * Copyright 2012, Hauke Mehrtens * * Licensed under the GNU/GPL. See COPYING for details. */ #include "bcma_private.h" +#include #include +#include #include static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset, @@ -22,23 +25,130 @@ static inline u32 bcma_cc_write32_masked return value; } -void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) +u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc) { - u32 leddc_on = 10; - u32 leddc_off = 90; + if (cc->capabilities & BCMA_CC_CAP_PMU) + return bcma_pmu_get_alp_clock(cc); - if (cc->setup_done) + return 20000000; +} +EXPORT_SYMBOL_GPL(bcma_chipco_get_alp_clock); + +static u32 bcma_chipco_watchdog_get_max_timer(struct bcma_drv_cc *cc) +{ + struct bcma_bus *bus = cc->core->bus; + u32 nb; + + if (cc->capabilities & BCMA_CC_CAP_PMU) { + if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) + nb = 32; + else if (cc->core->id.rev < 26) + nb = 16; + else + nb = (cc->core->id.rev >= 37) ? 32 : 24; + } else { + nb = 28; + } + if (nb == 32) + return 0xffffffff; + else + return (1 << nb) - 1; +} + +static u32 bcma_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, + u32 ticks) +{ + struct bcma_drv_cc *cc = bcm47xx_wdt_get_drvdata(wdt); + + return bcma_chipco_watchdog_timer_set(cc, ticks); +} + +static u32 bcma_chipco_watchdog_timer_set_ms_wdt(struct bcm47xx_wdt *wdt, + u32 ms) +{ + struct bcma_drv_cc *cc = bcm47xx_wdt_get_drvdata(wdt); + u32 ticks; + + ticks = bcma_chipco_watchdog_timer_set(cc, cc->ticks_per_ms * ms); + return ticks / cc->ticks_per_ms; +} + +static int bcma_chipco_watchdog_ticks_per_ms(struct bcma_drv_cc *cc) +{ + struct bcma_bus *bus = cc->core->bus; + + if (cc->capabilities & BCMA_CC_CAP_PMU) { + if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) + /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP clock */ + return bcma_chipco_get_alp_clock(cc) / 4000; + else + /* based on 32KHz ILP clock */ + return 32; + } else { + return bcma_chipco_get_alp_clock(cc) / 1000; + } +} + +int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc) +{ + struct bcm47xx_wdt wdt = {}; + struct platform_device *pdev; + + wdt.driver_data = cc; + wdt.timer_set = bcma_chipco_watchdog_timer_set_wdt; + wdt.timer_set_ms = bcma_chipco_watchdog_timer_set_ms_wdt; + wdt.max_timer_ms = bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms; + + pdev = platform_device_register_data(NULL, "bcm47xx-wdt", + cc->core->bus->num, &wdt, + sizeof(wdt)); + if (IS_ERR(pdev)) + return PTR_ERR(pdev); + + cc->watchdog = pdev; + + return 0; +} + +void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc) +{ + if (cc->early_setup_done) return; + spin_lock_init(&cc->gpio_lock); + if (cc->core->id.rev >= 11) 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); + if (cc->capabilities & BCMA_CC_CAP_PMU) + bcma_pmu_early_init(cc); + + cc->early_setup_done = true; +} + +void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) +{ + u32 leddc_on = 10; + u32 leddc_off = 90; + + if (cc->setup_done) + return; + + bcma_core_chipcommon_early_init(cc); + if (cc->core->id.rev >= 20) { - bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0); - bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0); + u32 pullup = 0, pulldown = 0; + + if (cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM43142) { + pullup = 0x402e0; + pulldown = 0x20500; + } + + bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, pullup); + bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, pulldown); } if (cc->capabilities & BCMA_CC_CAP_PMU) @@ -56,15 +166,33 @@ void bcma_core_chipcommon_init(struct bc ((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) | (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT))); } + cc->ticks_per_ms = bcma_chipco_watchdog_ticks_per_ms(cc); cc->setup_done = true; } /* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */ -void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks) +u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks) { - /* instant NMI */ - bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks); + u32 maxt; + enum bcma_clkmode clkmode; + + maxt = bcma_chipco_watchdog_get_max_timer(cc); + if (cc->capabilities & BCMA_CC_CAP_PMU) { + if (ticks == 1) + ticks = 2; + else if (ticks > maxt) + ticks = maxt; + bcma_cc_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks); + } else { + clkmode = ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC; + bcma_core_set_clockmode(cc->core, clkmode); + if (ticks > maxt) + ticks = maxt; + /* instant NMI */ + bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks); + } + return ticks; } void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value) @@ -84,28 +212,99 @@ 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; } +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; + + 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_GPL(bcma_chipco_gpio_outen); +/* + * 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 +317,7 @@ void bcma_chipco_serial_init(struct bcma struct bcma_serial_port *ports = cc->serial_ports; if (ccrev >= 11 && ccrev != 15) { - /* Fixed ALP clock */ - baud_base = bcma_pmu_alp_clock(cc); + baud_base = bcma_chipco_get_alp_clock(cc); if (ccrev >= 21) { /* Turn off UART clock before switching clocksource. */ bcma_cc_write32(cc, BCMA_CC_CORECTL, @@ -141,7 +339,7 @@ void bcma_chipco_serial_init(struct bcma return; } - irq = bcma_core_mips_irq(cc->core); + irq = bcma_core_irq(cc->core); /* Determine the registers of the UARTs */ cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART); --- a/drivers/bcma/driver_chipcommon_nflash.c +++ b/drivers/bcma/driver_chipcommon_nflash.c @@ -5,15 +5,40 @@ * Licensed under the GNU/GPL. See COPYING for details. */ +#include "bcma_private.h" + +#include #include -#include -#include -#include "bcma_private.h" +struct platform_device bcma_nflash_dev = { + .name = "bcma_nflash", + .num_resources = 0, +}; /* Initialize NAND flash access */ int bcma_nflash_init(struct bcma_drv_cc *cc) { - bcma_err(cc->core->bus, "NAND flash support is broken\n"); + struct bcma_bus *bus = cc->core->bus; + + if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 && + cc->core->id.rev != 38) { + bcma_err(bus, "NAND flash on unsupported board!\n"); + return -ENOTSUPP; + } + + if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) { + bcma_err(bus, "NAND flash not present according to ChipCommon\n"); + return -ENODEV; + } + + cc->nflash.present = true; + if (cc->core->id.rev == 38 && + (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT)) + cc->nflash.boot = true; + + /* Prepare platform device, but don't register it yet. It's too early, + * malloc (required by device_private_init) is not available yet. */ + bcma_nflash_dev.dev.platform_data = &cc->nflash; + return 0; } --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c @@ -13,12 +13,13 @@ #include #include -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) { @@ -55,6 +56,109 @@ void bcma_chipco_regctl_maskset(struct b } EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset); +static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc) +{ + u32 ilp_ctl, alp_hz; + + if (!(bcma_cc_read32(cc, BCMA_CC_PMU_STAT) & + BCMA_CC_PMU_STAT_EXT_LPO_AVAIL)) + return 0; + + bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ, + BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT)); + usleep_range(1000, 2000); + + ilp_ctl = bcma_cc_read32(cc, BCMA_CC_PMU_XTAL_FREQ); + ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK; + + bcma_cc_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0); + + alp_hz = ilp_ctl * 32768 / 4; + return (alp_hz + 50000) / 100000 * 100; +} + +static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq) +{ + struct bcma_bus *bus = cc->core->bus; + u32 freq_tgt_target = 0, freq_tgt_current; + u32 pll0, mask; + + switch (bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM43142: + /* pmu2_xtaltab0_adfll_485 */ + switch (xtalfreq) { + case 12000: + freq_tgt_target = 0x50D52; + break; + case 20000: + freq_tgt_target = 0x307FE; + break; + case 26000: + freq_tgt_target = 0x254EA; + break; + case 37400: + freq_tgt_target = 0x19EF8; + break; + case 52000: + freq_tgt_target = 0x12A75; + break; + } + break; + } + + if (!freq_tgt_target) { + bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n", + xtalfreq); + return; + } + + pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0); + freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >> + BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT; + + if (freq_tgt_current == freq_tgt_target) { + bcma_debug(bus, "Target TGT frequency already set\n"); + return; + } + + /* Turn off PLL */ + switch (bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM43142: + mask = (u32)~(BCMA_RES_4314_HT_AVAIL | + BCMA_RES_4314_MACPHY_CLK_AVAIL); + + bcma_cc_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask); + bcma_cc_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask); + bcma_wait_value(cc->core, BCMA_CLKCTLST, + BCMA_CLKCTLST_HAVEHT, 0, 20000); + break; + } + + pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK; + pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT; + bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0); + + /* Flush */ + if (cc->pmu.rev >= 2) + bcma_cc_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD); + + /* TODO: Do we need to update OTP? */ +} + +static void bcma_pmu_pll_init(struct bcma_drv_cc *cc) +{ + struct bcma_bus *bus = cc->core->bus; + u32 xtalfreq = bcma_pmu_xtalfreq(cc); + + switch (bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM43142: + if (xtalfreq == 0) + xtalfreq = 20000; + bcma_pmu2_pll_init0(cc, xtalfreq); + break; + } +} + static void bcma_pmu_resources_init(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; @@ -65,6 +169,25 @@ static void bcma_pmu_resources_init(stru min_msk = 0x200D; max_msk = 0xFFFF; break; + case BCMA_CHIP_ID_BCM43142: + min_msk = BCMA_RES_4314_LPLDO_PU | + BCMA_RES_4314_PMU_SLEEP_DIS | + BCMA_RES_4314_PMU_BG_PU | + BCMA_RES_4314_CBUCK_LPOM_PU | + BCMA_RES_4314_CBUCK_PFM_PU | + BCMA_RES_4314_CLDO_PU | + BCMA_RES_4314_LPLDO2_LVM | + BCMA_RES_4314_WL_PMU_PU | + BCMA_RES_4314_LDO3P3_PU | + BCMA_RES_4314_OTP_PU | + BCMA_RES_4314_WL_PWRSW_PU | + BCMA_RES_4314_LQ_AVAIL | + BCMA_RES_4314_LOGIC_RET | + BCMA_RES_4314_MEM_SLEEP | + BCMA_RES_4314_MACPHY_RET | + BCMA_RES_4314_WL_CORE_READY; + max_msk = 0x3FFFFFFF; + break; default: bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n", bus->chipinfo.id); @@ -76,7 +199,10 @@ static void bcma_pmu_resources_init(stru if (max_msk) bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk); - /* Add some delay; allow resources to come up and settle. */ + /* + * Add some delay; allow resources to come up and settle. + * Delay is required for SoC (early init). + */ mdelay(2); } @@ -101,7 +227,7 @@ void bcma_chipco_bcm4331_ext_pa_lines_ct bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val); } -void bcma_pmu_workarounds(struct bcma_drv_cc *cc) +static void bcma_pmu_workarounds(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; @@ -141,7 +267,7 @@ void bcma_pmu_workarounds(struct bcma_dr } } -void bcma_pmu_init(struct bcma_drv_cc *cc) +void bcma_pmu_early_init(struct bcma_drv_cc *cc) { u32 pmucap; @@ -150,7 +276,10 @@ 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); +} +void bcma_pmu_init(struct bcma_drv_cc *cc) +{ if (cc->pmu.rev == 1) bcma_cc_mask32(cc, BCMA_CC_PMU_CTL, ~BCMA_CC_PMU_CTL_NOILPONW); @@ -158,28 +287,45 @@ void bcma_pmu_init(struct bcma_drv_cc *c bcma_cc_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_NOILPONW); + bcma_pmu_pll_init(cc); bcma_pmu_resources_init(cc); bcma_pmu_workarounds(cc); } -u32 bcma_pmu_alp_clock(struct bcma_drv_cc *cc) +u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; switch (bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM4313: + case BCMA_CHIP_ID_BCM43224: + case BCMA_CHIP_ID_BCM43225: + case BCMA_CHIP_ID_BCM43227: + case BCMA_CHIP_ID_BCM43228: + case BCMA_CHIP_ID_BCM4331: + case BCMA_CHIP_ID_BCM43421: + case BCMA_CHIP_ID_BCM43428: + case BCMA_CHIP_ID_BCM43431: case BCMA_CHIP_ID_BCM4716: - case BCMA_CHIP_ID_BCM4748: case BCMA_CHIP_ID_BCM47162: - case BCMA_CHIP_ID_BCM4313: - case BCMA_CHIP_ID_BCM5357: + case BCMA_CHIP_ID_BCM4748: case BCMA_CHIP_ID_BCM4749: + case BCMA_CHIP_ID_BCM5357: case BCMA_CHIP_ID_BCM53572: + case BCMA_CHIP_ID_BCM6362: /* always 20Mhz */ return 20000 * 1000; - case BCMA_CHIP_ID_BCM5356: case BCMA_CHIP_ID_BCM4706: + case BCMA_CHIP_ID_BCM5356: /* always 25Mhz */ return 25000 * 1000; + case BCMA_CHIP_ID_BCM43460: + case BCMA_CHIP_ID_BCM4352: + case BCMA_CHIP_ID_BCM4360: + if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ) + return 40000 * 1000; + else + return 20000 * 1000; default: bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n", bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK); @@ -190,7 +336,7 @@ 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. */ -static u32 bcma_pmu_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m) +static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m) { u32 tmp, div, ndiv, p1, p2, fc; struct bcma_bus *bus = cc->core->bus; @@ -219,14 +365,14 @@ static u32 bcma_pmu_clock(struct bcma_dr ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT; /* Do calculation in Mhz */ - fc = bcma_pmu_alp_clock(cc) / 1000000; + fc = bcma_pmu_get_alp_clock(cc) / 1000000; fc = (p1 * ndiv * fc) / p2; /* Return clock in Hertz */ return (fc / div) * 1000000; } -static u32 bcma_pmu_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m) +static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m) { u32 tmp, ndiv, p1div, p2div; u32 clock; @@ -257,7 +403,7 @@ static u32 bcma_pmu_clock_bcm4706(struct } /* query bus clock frequency for PMU-enabled chipcommon */ -u32 bcma_pmu_get_clockcontrol(struct bcma_drv_cc *cc) +u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; @@ -265,40 +411,43 @@ u32 bcma_pmu_get_clockcontrol(struct bcm case BCMA_CHIP_ID_BCM4716: case BCMA_CHIP_ID_BCM4748: case BCMA_CHIP_ID_BCM47162: - return bcma_pmu_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0, - BCMA_CC_PMU5_MAINPLL_SSB); + return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0, + BCMA_CC_PMU5_MAINPLL_SSB); case BCMA_CHIP_ID_BCM5356: - return bcma_pmu_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0, - BCMA_CC_PMU5_MAINPLL_SSB); + return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0, + BCMA_CC_PMU5_MAINPLL_SSB); case BCMA_CHIP_ID_BCM5357: case BCMA_CHIP_ID_BCM4749: - return bcma_pmu_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0, - BCMA_CC_PMU5_MAINPLL_SSB); + return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0, + BCMA_CC_PMU5_MAINPLL_SSB); case BCMA_CHIP_ID_BCM4706: - return bcma_pmu_clock_bcm4706(cc, BCMA_CC_PMU4706_MAINPLL_PLL0, - BCMA_CC_PMU5_MAINPLL_SSB); + return bcma_pmu_pll_clock_bcm4706(cc, + BCMA_CC_PMU4706_MAINPLL_PLL0, + BCMA_CC_PMU5_MAINPLL_SSB); case BCMA_CHIP_ID_BCM53572: return 75000000; default: - bcma_warn(bus, "No backplane clock specified for %04X device, pmu rev. %d, using default %d Hz\n", + bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n", bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK); } return BCMA_CC_PMU_HT_CLOCK; } +EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock); /* query cpu clock frequency for PMU-enabled chipcommon */ -u32 bcma_pmu_get_clockcpu(struct bcma_drv_cc *cc) +u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) return 300000000; + /* New PMUs can have different clock for bus and CPU */ if (cc->pmu.rev >= 5) { u32 pll; switch (bus->chipinfo.id) { case BCMA_CHIP_ID_BCM4706: - return bcma_pmu_clock_bcm4706(cc, + return bcma_pmu_pll_clock_bcm4706(cc, BCMA_CC_PMU4706_MAINPLL_PLL0, BCMA_CC_PMU5_MAINPLL_CPU); case BCMA_CHIP_ID_BCM5356: @@ -313,10 +462,11 @@ u32 bcma_pmu_get_clockcpu(struct bcma_dr break; } - return bcma_pmu_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU); + return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU); } - return bcma_pmu_get_clockcontrol(cc); + /* On old PMUs CPU has the same clock as the bus */ + return bcma_pmu_get_bus_clock(cc); } static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset, @@ -362,7 +512,7 @@ void bcma_pmu_spuravoid_pllupdate(struct tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT; bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, tmp); - tmp = 1 << 10; + tmp = BCMA_CC_PMU_CTL_PLL_UPD; break; case BCMA_CHIP_ID_BCM4331: @@ -383,7 +533,7 @@ void bcma_pmu_spuravoid_pllupdate(struct bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2, 0x03000a08); } - tmp = 1 << 10; + tmp = BCMA_CC_PMU_CTL_PLL_UPD; break; case BCMA_CHIP_ID_BCM43224: @@ -416,7 +566,7 @@ void bcma_pmu_spuravoid_pllupdate(struct bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 0x88888815); } - tmp = 1 << 10; + tmp = BCMA_CC_PMU_CTL_PLL_UPD; break; case BCMA_CHIP_ID_BCM4716: @@ -450,7 +600,7 @@ void bcma_pmu_spuravoid_pllupdate(struct 0x88888815); } - tmp = 3 << 9; + tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW; break; case BCMA_CHIP_ID_BCM43227: @@ -486,7 +636,7 @@ void bcma_pmu_spuravoid_pllupdate(struct bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5, 0x88888815); } - tmp = 1 << 10; + tmp = BCMA_CC_PMU_CTL_PLL_UPD; break; default: bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n", --- a/drivers/bcma/driver_chipcommon_sflash.c +++ b/drivers/bcma/driver_chipcommon_sflash.c @@ -5,15 +5,161 @@ * Licensed under the GNU/GPL. See COPYING for details. */ +#include "bcma_private.h" + +#include #include -#include -#include -#include "bcma_private.h" +static struct resource bcma_sflash_resource = { + .name = "bcma_sflash", + .start = BCMA_SOC_FLASH2, + .end = 0, + .flags = IORESOURCE_MEM | IORESOURCE_READONLY, +}; + +struct platform_device bcma_sflash_dev = { + .name = "bcma_sflash", + .resource = &bcma_sflash_resource, + .num_resources = 1, +}; + +struct bcma_sflash_tbl_e { + char *name; + u32 id; + u32 blocksize; + u16 numblocks; +}; + +static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = { + { "M25P20", 0x11, 0x10000, 4, }, + { "M25P40", 0x12, 0x10000, 8, }, + + { "M25P16", 0x14, 0x10000, 32, }, + { "M25P32", 0x15, 0x10000, 64, }, + { "M25P64", 0x16, 0x10000, 128, }, + { "M25FL128", 0x17, 0x10000, 256, }, + { 0 }, +}; + +static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = { + { "SST25WF512", 1, 0x1000, 16, }, + { "SST25VF512", 0x48, 0x1000, 16, }, + { "SST25WF010", 2, 0x1000, 32, }, + { "SST25VF010", 0x49, 0x1000, 32, }, + { "SST25WF020", 3, 0x1000, 64, }, + { "SST25VF020", 0x43, 0x1000, 64, }, + { "SST25WF040", 4, 0x1000, 128, }, + { "SST25VF040", 0x44, 0x1000, 128, }, + { "SST25VF040B", 0x8d, 0x1000, 128, }, + { "SST25WF080", 5, 0x1000, 256, }, + { "SST25VF080B", 0x8e, 0x1000, 256, }, + { "SST25VF016", 0x41, 0x1000, 512, }, + { "SST25VF032", 0x4a, 0x1000, 1024, }, + { "SST25VF064", 0x4b, 0x1000, 2048, }, + { 0 }, +}; + +static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = { + { "AT45DB011", 0xc, 256, 512, }, + { "AT45DB021", 0x14, 256, 1024, }, + { "AT45DB041", 0x1c, 256, 2048, }, + { "AT45DB081", 0x24, 256, 4096, }, + { "AT45DB161", 0x2c, 512, 4096, }, + { "AT45DB321", 0x34, 512, 8192, }, + { "AT45DB642", 0x3c, 1024, 8192, }, + { 0 }, +}; + +static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode) +{ + int i; + bcma_cc_write32(cc, BCMA_CC_FLASHCTL, + BCMA_CC_FLASHCTL_START | opcode); + for (i = 0; i < 1000; i++) { + if (!(bcma_cc_read32(cc, BCMA_CC_FLASHCTL) & + BCMA_CC_FLASHCTL_BUSY)) + return; + cpu_relax(); + } + bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n"); +} /* Initialize serial flash access */ int bcma_sflash_init(struct bcma_drv_cc *cc) { - bcma_err(cc->core->bus, "Serial flash support is broken\n"); + struct bcma_bus *bus = cc->core->bus; + struct bcma_sflash *sflash = &cc->sflash; + const struct bcma_sflash_tbl_e *e; + u32 id, id2; + + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { + case BCMA_CC_FLASHT_STSER: + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP); + + bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0); + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES); + id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA); + + bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1); + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES); + id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA); + + switch (id) { + case 0xbf: + for (e = bcma_sflash_sst_tbl; e->name; e++) { + if (e->id == id2) + break; + } + break; + case 0x13: + return -ENOTSUPP; + default: + for (e = bcma_sflash_st_tbl; e->name; e++) { + if (e->id == id) + break; + } + break; + } + if (!e->name) { + bcma_err(bus, "Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2); + return -ENOTSUPP; + } + + break; + case BCMA_CC_FLASHT_ATSER: + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS); + id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c; + + for (e = bcma_sflash_at_tbl; e->name; e++) { + if (e->id == id) + break; + } + if (!e->name) { + bcma_err(bus, "Unsupported Atmel serial flash (id: 0x%X)\n", id); + return -ENOTSUPP; + } + + break; + default: + bcma_err(bus, "Unsupported flash type\n"); + return -ENOTSUPP; + } + + sflash->window = BCMA_SOC_FLASH2; + sflash->blocksize = e->blocksize; + sflash->numblocks = e->numblocks; + sflash->size = sflash->blocksize * sflash->numblocks; + sflash->present = true; + + bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n", + e->name, sflash->size / 1024, sflash->blocksize, + sflash->numblocks); + + /* Prepare platform device, but don't register it yet. It's too early, + * malloc (required by device_private_init) is not available yet. */ + bcma_sflash_dev.resource[0].end = bcma_sflash_dev.resource[0].start + + sflash->size; + bcma_sflash_dev.dev.platform_data = sflash; + return 0; } --- /dev/null +++ b/drivers/bcma/driver_gpio.c @@ -0,0 +1,114 @@ +/* + * Broadcom specific AMBA + * GPIO driver + * + * Copyright 2011, Broadcom Corporation + * Copyright 2012, Hauke Mehrtens + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include + +#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); +} + +static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + return bcma_core_irq(cc->core); + else + return -EINVAL; +} + +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->to_irq = bcma_gpio_to_irq; + 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); +} + +int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return gpiochip_remove(&cc->gpio); +} --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -14,11 +14,33 @@ #include +#include +#include #include #include #include #include +static const char * const part_probes[] = { "bcm47xxpart", NULL }; + +static struct physmap_flash_data bcma_pflash_data = { + .part_probe_types = part_probes, +}; + +static struct resource bcma_pflash_resource = { + .name = "bcma_pflash", + .flags = IORESOURCE_MEM, +}; + +struct platform_device bcma_pflash_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &bcma_pflash_data, + }, + .resource = &bcma_pflash_resource, + .num_resources = 1, +}; + /* The 47162a0 hangs when reading MIPS DMP registers registers */ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev) { @@ -74,28 +96,41 @@ 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) +static unsigned int bcma_core_mips_irq(struct bcma_device *dev) { struct bcma_device *mdev = dev->bus->drv_mips.core; u32 irqflag; 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; +} + +unsigned int bcma_core_irq(struct bcma_device *dev) +{ + unsigned int mips_irq = bcma_core_mips_irq(dev); + return mips_irq <= 4 ? mips_irq + 2 : 0; } -EXPORT_SYMBOL(bcma_core_mips_irq); +EXPORT_SYMBOL(bcma_core_irq); static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) { @@ -114,8 +149,8 @@ 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 - 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) { @@ -123,9 +158,9 @@ 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 +168,7 @@ 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 +178,31 @@ 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 +222,7 @@ u32 bcma_cpu_clock(struct bcma_drv_mips struct bcma_bus *bus = mcore->core->bus; if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU) - return bcma_pmu_get_clockcpu(&bus->drv_cc); + return bcma_pmu_get_cpu_clock(&bus->drv_cc); bcma_err(bus, "No PMU available, need this to get the cpu clock\n"); return 0; @@ -181,85 +232,143 @@ EXPORT_SYMBOL(bcma_cpu_clock); static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) { struct bcma_bus *bus = mcore->core->bus; + struct bcma_drv_cc *cc = &bus->drv_cc; + struct bcma_pflash *pflash = &cc->pflash; - switch (bus->drv_cc.capabilities & BCMA_CC_CAP_FLASHT) { + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { case BCMA_CC_FLASHT_STSER: case BCMA_CC_FLASHT_ATSER: bcma_debug(bus, "Found serial flash\n"); - bcma_sflash_init(&bus->drv_cc); + bcma_sflash_init(cc); break; case BCMA_CC_FLASHT_PARA: bcma_debug(bus, "Found parallel flash\n"); - bus->drv_cc.pflash.window = 0x1c000000; - bus->drv_cc.pflash.window_size = 0x02000000; + pflash->present = true; + pflash->window = BCMA_SOC_FLASH2; + pflash->window_size = BCMA_SOC_FLASH2_SZ; - if ((bcma_read32(bus->drv_cc.core, BCMA_CC_FLASH_CFG) & + if ((bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS) == 0) - bus->drv_cc.pflash.buswidth = 1; + pflash->buswidth = 1; else - bus->drv_cc.pflash.buswidth = 2; + pflash->buswidth = 2; + + bcma_pflash_data.width = pflash->buswidth; + bcma_pflash_resource.start = pflash->window; + bcma_pflash_resource.end = pflash->window + pflash->window_size; + break; default: bcma_err(bus, "Flash type not supported\n"); } - if (bus->drv_cc.core->id.rev == 38 || + if (cc->core->id.rev == 38 || bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) { - if (bus->drv_cc.capabilities & BCMA_CC_CAP_NFLASH) { + if (cc->capabilities & BCMA_CC_CAP_NFLASH) { bcma_debug(bus, "Found NAND flash\n"); - bcma_nflash_init(&bus->drv_cc); + bcma_nflash_init(cc); } } } +void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) +{ + struct bcma_bus *bus = mcore->core->bus; + + if (mcore->early_setup_done) + return; + + bcma_chipco_serial_init(&bus->drv_cc); + bcma_core_mips_flash_detect(mcore); + + mcore->early_setup_done = true; +} + +static void bcma_fix_i2s_irqflag(struct bcma_bus *bus) +{ + struct bcma_device *cpu, *pcie, *i2s; + + /* Fixup the interrupts in 4716/4748 for i2s core (2010 Broadcom SDK) + * (IRQ flags > 7 are ignored when setting the interrupt masks) + */ + if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4716 && + bus->chipinfo.id != BCMA_CHIP_ID_BCM4748) + return; + + cpu = bcma_find_core(bus, BCMA_CORE_MIPS_74K); + pcie = bcma_find_core(bus, BCMA_CORE_PCIE); + i2s = bcma_find_core(bus, BCMA_CORE_I2S); + if (cpu && pcie && i2s && + bcma_aread32(cpu, BCMA_MIPS_OOBSELINA74) == 0x08060504 && + bcma_aread32(pcie, BCMA_MIPS_OOBSELINA74) == 0x08060504 && + bcma_aread32(i2s, BCMA_MIPS_OOBSELOUTA30) == 0x88) { + bcma_awrite32(cpu, BCMA_MIPS_OOBSELINA74, 0x07060504); + bcma_awrite32(pcie, BCMA_MIPS_OOBSELINA74, 0x07060504); + bcma_awrite32(i2s, BCMA_MIPS_OOBSELOUTA30, 0x87); + bcma_debug(bus, + "Moved i2s interrupt to oob line 7 instead of 8\n"); + } +} + void bcma_core_mips_init(struct bcma_drv_mips *mcore) { struct bcma_bus *bus; struct bcma_device *core; bus = mcore->core->bus; - bcma_info(bus, "Initializing MIPS core...\n"); + if (mcore->setup_done) + return; - 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); + + bcma_fix_i2s_irqflag(bus); + + 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_irq(core); } + 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) - return; - - bcma_chipco_serial_init(&bus->drv_cc); - bcma_core_mips_flash_detect(mcore); mcore->setup_done = true; } --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -31,7 +31,7 @@ static void bcma_pcie_write(struct bcma_ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data); } -static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy) +static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u16 phy) { u32 v; int i; @@ -51,11 +51,11 @@ static void bcma_pcie_mdio_set_phy(struc v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) break; - msleep(1); + usleep_range(1000, 2000); } } -static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address) +static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u16 device, u8 address) { int max_retries = 10; u16 ret = 0; @@ -92,13 +92,13 @@ static u16 bcma_pcie_mdio_read(struct bc ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA); break; } - msleep(1); + usleep_range(1000, 2000); } pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); return ret; } -static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device, +static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u16 device, u8 address, u16 data) { int max_retries = 10; @@ -132,11 +132,18 @@ static void bcma_pcie_mdio_write(struct v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) break; - msleep(1); + usleep_range(1000, 2000); } pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); } +static u16 bcma_pcie_mdio_writeread(struct bcma_drv_pci *pc, u16 device, + u8 address, u16 data) +{ + bcma_pcie_mdio_write(pc, device, address, data); + return bcma_pcie_mdio_read(pc, device, address); +} + /************************************************** * Workarounds. **************************************************/ @@ -229,6 +236,32 @@ void __devinit bcma_core_pci_init(struct bcma_core_pci_clientmode_init(pc); } +void bcma_core_pci_power_save(struct bcma_bus *bus, bool up) +{ + struct bcma_drv_pci *pc; + u16 data; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + pc = &bus->drv_pci[0]; + + if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) { + data = up ? 0x74 : 0x7C; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) { + data = up ? 0x75 : 0x7D; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } +} +EXPORT_SYMBOL_GPL(bcma_core_pci_power_save); + int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable) { @@ -262,7 +295,7 @@ out: } EXPORT_SYMBOL_GPL(bcma_core_pci_irq_ctl); -void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend) +static void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend) { u32 w; @@ -274,4 +307,29 @@ void bcma_core_pci_extend_L1timer(struct bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w); bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG); } -EXPORT_SYMBOL_GPL(bcma_core_pci_extend_L1timer); + +void bcma_core_pci_up(struct bcma_bus *bus) +{ + struct bcma_drv_pci *pc; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + pc = &bus->drv_pci[0]; + + bcma_core_pci_extend_L1timer(pc, true); +} +EXPORT_SYMBOL_GPL(bcma_core_pci_up); + +void bcma_core_pci_down(struct bcma_bus *bus) +{ + struct bcma_drv_pci *pc; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + pc = &bus->drv_pci[0]; + + bcma_core_pci_extend_L1timer(pc, false); +} +EXPORT_SYMBOL_GPL(bcma_core_pci_down); --- a/drivers/bcma/driver_pci_host.c +++ b/drivers/bcma/driver_pci_host.c @@ -35,11 +35,6 @@ bool __devinit bcma_core_pci_is_in_hostm chipid_top != 0x5300) return false; - if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) { - bcma_info(bus, "This PCI core is disabled and not working\n"); - return false; - } - bcma_core_enable(pc->core, 0); return !mips_busprobe32(tmp, pc->core->io_addr); @@ -99,19 +94,19 @@ static int bcma_extpci_read_config(struc if (dev == 0) { /* we support only two functions on device 0 */ if (func > 1) - return -EINVAL; + goto out; /* accesses to config registers with offsets >= 256 * requires indirect access. */ if (off >= PCI_CONFIG_SPACE_SIZE) { addr = (func << 12); - addr |= (off & 0x0FFF); + addr |= (off & 0x0FFC); val = bcma_pcie_read_config(pc, addr); } else { addr = BCMA_CORE_PCI_PCICFG0; addr |= (func << 8); - addr |= (off & 0xfc); + addr |= (off & 0xFC); val = pcicore_read32(pc, addr); } } else { @@ -124,11 +119,9 @@ static int bcma_extpci_read_config(struc goto out; if (mips_busprobe32(val, mmio)) { - val = 0xffffffff; + val = 0xFFFFFFFF; goto unmap; } - - val = readl(mmio); } val >>= (8 * (off & 3)); @@ -156,7 +149,7 @@ static int bcma_extpci_write_config(stru const void *buf, int len) { int err = -EINVAL; - u32 addr = 0, val = 0; + u32 addr, val; void __iomem *mmio = 0; u16 chipid = pc->core->bus->chipinfo.id; @@ -164,16 +157,22 @@ static int bcma_extpci_write_config(stru if (unlikely(len != 1 && len != 2 && len != 4)) goto out; if (dev == 0) { + /* we support only two functions on device 0 */ + if (func > 1) + goto out; + /* accesses to config registers with offsets >= 256 * requires indirect access. */ - if (off < PCI_CONFIG_SPACE_SIZE) { - addr = pc->core->addr + BCMA_CORE_PCI_PCICFG0; + if (off >= PCI_CONFIG_SPACE_SIZE) { + addr = (func << 12); + addr |= (off & 0x0FFC); + val = bcma_pcie_read_config(pc, addr); + } else { + addr = BCMA_CORE_PCI_PCICFG0; addr |= (func << 8); - addr |= (off & 0xfc); - mmio = ioremap_nocache(addr, sizeof(val)); - if (!mmio) - goto out; + addr |= (off & 0xFC); + val = pcicore_read32(pc, addr); } } else { addr = bcma_get_cfgspace_addr(pc, dev, func, off); @@ -185,19 +184,17 @@ static int bcma_extpci_write_config(stru goto out; if (mips_busprobe32(val, mmio)) { - val = 0xffffffff; + 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; @@ -205,13 +202,14 @@ static int bcma_extpci_write_config(stru val = *((const u32 *)buf); break; } - if (dev == 0 && !addr) { + if (dev == 0) { /* accesses to config registers with offsets >= 256 * requires indirect access. */ - addr = (func << 12); - addr |= (off & 0x0FFF); - bcma_pcie_write_config(pc, addr, val); + if (off >= PCI_CONFIG_SPACE_SIZE) + bcma_pcie_write_config(pc, addr, val); + else + pcicore_write32(pc, addr, val); } else { writel(val, mmio); @@ -282,7 +280,7 @@ static u8 __devinit bcma_find_pci_capabi /* check for Header type 0 */ bcma_extpci_read_config(pc, dev, func, PCI_HEADER_TYPE, &byte_val, sizeof(u8)); - if ((byte_val & 0x7f) != PCI_HEADER_TYPE_NORMAL) + if ((byte_val & 0x7F) != PCI_HEADER_TYPE_NORMAL) return cap_ptr; /* check if the capability pointer field exists */ @@ -396,12 +394,19 @@ void __devinit bcma_core_pci_hostmode_in bcma_info(bus, "PCIEcore in host mode found\n"); + if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) { + bcma_info(bus, "This PCIE core is disabled and not working\n"); + return; + } + pc_host = kzalloc(sizeof(*pc_host), GFP_KERNEL); if (!pc_host) { bcma_err(bus, "can not allocate memory"); return; } + spin_lock_init(&pc_host->cfgspace_lock); + pc->host_controller = pc_host; pc_host->pci_controller.io_resource = &pc_host->io_resource; pc_host->pci_controller.mem_resource = &pc_host->mem_resource; @@ -425,9 +430,9 @@ void __devinit bcma_core_pci_hostmode_in pc_host->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED; /* Reset RC */ - udelay(3000); + usleep_range(3000, 5000); pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE); - udelay(1000); + msleep(50); pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST | BCMA_CORE_PCI_CTL_RST_OE); @@ -452,6 +457,8 @@ void __devinit bcma_core_pci_hostmode_in pc_host->mem_resource.start = BCMA_SOC_PCI_MEM; pc_host->mem_resource.end = BCMA_SOC_PCI_MEM + BCMA_SOC_PCI_MEM_SZ - 1; + pc_host->io_resource.start = 0x100; + pc_host->io_resource.end = 0x47F; pci_membase_1G = BCMA_SOC_PCIE_DMA_H32; pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0, tmp | BCMA_SOC_PCI_MEM); @@ -459,6 +466,8 @@ void __devinit bcma_core_pci_hostmode_in pc_host->mem_resource.start = BCMA_SOC_PCI1_MEM; pc_host->mem_resource.end = BCMA_SOC_PCI1_MEM + BCMA_SOC_PCI_MEM_SZ - 1; + pc_host->io_resource.start = 0x480; + pc_host->io_resource.end = 0x7FF; pci_membase_1G = BCMA_SOC_PCIE1_DMA_H32; pc_host->host_cfg_addr = BCMA_SOC_PCI1_CFG; pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0, @@ -481,10 +490,21 @@ void __devinit bcma_core_pci_hostmode_in * before issuing configuration requests to PCI Express * devices. */ - udelay(100000); + msleep(100); bcma_core_pci_enable_crs(pc); + if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706 || + bus->chipinfo.id == BCMA_CHIP_ID_BCM4716) { + u16 val16; + bcma_extpci_read_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL, + &val16, sizeof(val16)); + val16 |= (2 << 5); /* Max payload size of 512 */ + val16 |= (2 << 12); /* MRRS 512 */ + bcma_extpci_write_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL, + &val16, sizeof(val16)); + } + /* Enable PCI bridge BAR0 memory & master access */ tmp = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; bcma_extpci_write_config(pc, 0, 0, PCI_COMMAND, &tmp, sizeof(tmp)); @@ -501,7 +521,7 @@ void __devinit bcma_core_pci_hostmode_in set_io_port_base(pc_host->pci_controller.io_map_base); /* Give some time to the PCI controller to configure itself with the new * values. Not waiting at this point causes crashes of the machine. */ - mdelay(10); + usleep_range(10000, 15000); register_pci_controller(&pc_host->pci_controller); return; } @@ -534,7 +554,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ static void bcma_core_pci_fixup_addresses(struct pci_dev *dev) { struct resource *res; - int pos; + int pos, err; if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) { /* This is not a device on the PCI-core bridge. */ @@ -547,8 +567,12 @@ static void bcma_core_pci_fixup_addresse for (pos = 0; pos < 6; pos++) { res = &dev->resource[pos]; - if (res->flags & (IORESOURCE_IO | IORESOURCE_MEM)) - pci_assign_resource(dev, pos); + if (res->flags & (IORESOURCE_IO | IORESOURCE_MEM)) { + err = pci_assign_resource(dev, pos); + if (err) + pr_err("PCI: Problem fixing up the addresses on %s\n", + pci_name(dev)); + } } } DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, bcma_core_pci_fixup_addresses); @@ -558,6 +582,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI int bcma_core_pci_plat_dev_init(struct pci_dev *dev) { struct bcma_drv_pci_host *pc_host; + int readrq; if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) { /* This is not a device on the PCI-core bridge. */ @@ -569,9 +594,14 @@ int bcma_core_pci_plat_dev_init(struct p pr_info("PCI: Fixing up device %s\n", pci_name(dev)); /* Fix up interrupt lines */ - dev->irq = bcma_core_mips_irq(pc_host->pdev->core) + 2; + dev->irq = bcma_core_irq(pc_host->pdev->core); pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); + readrq = pcie_get_readrq(dev); + if (readrq > 128) { + pr_info("change PCIe max read request size from %i to 128\n", readrq); + pcie_set_readrq(dev, 128); + } return 0; } EXPORT_SYMBOL(bcma_core_pci_plat_dev_init); @@ -588,6 +618,6 @@ int bcma_core_pci_pcibios_map_irq(const pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host, pci_ops); - return bcma_core_mips_irq(pc_host->pdev->core) + 2; + return bcma_core_irq(pc_host->pdev->core); } EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq); --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -77,8 +77,8 @@ static void bcma_host_pci_write32(struct } #ifdef CONFIG_BCMA_BLOCKIO -void bcma_host_pci_block_read(struct bcma_device *core, void *buffer, - size_t count, u16 offset, u8 reg_width) +static void bcma_host_pci_block_read(struct bcma_device *core, void *buffer, + size_t count, u16 offset, u8 reg_width) { void __iomem *addr = core->bus->mmio + offset; if (core->bus->mapped_core != core) @@ -100,8 +100,9 @@ void bcma_host_pci_block_read(struct bcm } } -void bcma_host_pci_block_write(struct bcma_device *core, const void *buffer, - size_t count, u16 offset, u8 reg_width) +static void bcma_host_pci_block_write(struct bcma_device *core, + const void *buffer, size_t count, + u16 offset, u8 reg_width) { void __iomem *addr = core->bus->mmio + offset; if (core->bus->mapped_core != core) @@ -139,7 +140,7 @@ static void bcma_host_pci_awrite32(struc iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset); } -const struct bcma_host_ops bcma_host_pci_ops = { +static const struct bcma_host_ops bcma_host_pci_ops = { .read8 = bcma_host_pci_read8, .read16 = bcma_host_pci_read16, .read32 = bcma_host_pci_read32, @@ -237,7 +238,7 @@ static void __devexit bcma_host_pci_remo pci_set_drvdata(dev, NULL); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int bcma_host_pci_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -260,11 +261,11 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bc bcma_host_pci_resume); #define BCMA_PM_OPS (&bcma_pm_ops) -#else /* CONFIG_PM */ +#else /* CONFIG_PM_SLEEP */ #define BCMA_PM_OPS NULL -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_bridge_tbl) = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) }, @@ -272,7 +273,9 @@ static DEFINE_PCI_DEVICE_TABLE(bcma_pci_ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, { 0, }, }; --- a/drivers/bcma/host_soc.c +++ b/drivers/bcma/host_soc.c @@ -143,7 +143,7 @@ static void bcma_host_soc_awrite32(struc writel(value, core->io_wrap + offset); } -const struct bcma_host_ops bcma_host_soc_ops = { +static const struct bcma_host_ops bcma_host_soc_ops = { .read8 = bcma_host_soc_read8, .read16 = bcma_host_soc_read16, .read32 = bcma_host_soc_read32, --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -7,6 +7,7 @@ #include "bcma_private.h" #include +#include #include #include @@ -80,6 +81,37 @@ struct bcma_device *bcma_find_core(struc } EXPORT_SYMBOL_GPL(bcma_find_core); +struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, + u8 unit) +{ + struct bcma_device *core; + + list_for_each_entry(core, &bus->cores, list) { + if (core->id.id == coreid && core->core_unit == unit) + return core; + } + return NULL; +} + +bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value, + int timeout) +{ + unsigned long deadline = jiffies + timeout; + u32 val; + + do { + val = bcma_read32(core, reg); + if ((val & mask) == value) + return true; + cpu_relax(); + udelay(10); + } while (!time_after_eq(jiffies, deadline)); + + bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg); + + return false; +} + static void bcma_release_core_dev(struct device *dev) { struct bcma_device *core = container_of(dev, struct bcma_device, dev); @@ -107,6 +139,11 @@ static int bcma_register_cores(struct bc continue; } + /* Only first GMAC core on BCM4706 is connected and working */ + if (core->id.id == BCMA_CORE_4706_MAC_GBIT && + core->core_unit > 0) + continue; + core->dev.release = bcma_release_core_dev; core->dev.bus = &bcma_bus_type; dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id); @@ -136,6 +173,41 @@ static int bcma_register_cores(struct bc dev_id++; } +#ifdef CONFIG_BCMA_DRIVER_MIPS + if (bus->drv_cc.pflash.present) { + err = platform_device_register(&bcma_pflash_dev); + if (err) + bcma_err(bus, "Error registering parallel flash\n"); + } +#endif + +#ifdef CONFIG_BCMA_SFLASH + if (bus->drv_cc.sflash.present) { + err = platform_device_register(&bcma_sflash_dev); + if (err) + bcma_err(bus, "Error registering serial flash\n"); + } +#endif + +#ifdef CONFIG_BCMA_NFLASH + if (bus->drv_cc.nflash.present) { + err = platform_device_register(&bcma_nflash_dev); + if (err) + 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); + if (err) + bcma_err(bus, "Error registering watchdog driver\n"); + } + return 0; } @@ -148,6 +220,8 @@ static void bcma_unregister_cores(struct if (core->dev_registered) device_unregister(&core->dev); } + if (bus->hosttype == BCMA_HOSTTYPE_SOC) + platform_device_unregister(bus->drv_cc.watchdog); } int __devinit bcma_bus_register(struct bcma_bus *bus) @@ -163,9 +237,23 @@ int __devinit bcma_bus_register(struct b err = bcma_bus_scan(bus); if (err) { bcma_err(bus, "Failed to scan: %d\n", err); - return -1; + return err; } + /* Early init CC core */ + core = bcma_find_core(bus, bcma_cc_core_id(bus)); + if (core) { + bus->drv_cc.core = core; + bcma_core_chipcommon_early_init(&bus->drv_cc); + } + + /* Try to get SPROM */ + err = bcma_sprom_get(bus); + if (err == -ENOENT) { + bcma_err(bus, "No SPROM available\n"); + } else if (err) + bcma_err(bus, "Failed to get SPROM: %d\n", err); + /* Init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { @@ -181,10 +269,17 @@ int __devinit bcma_bus_register(struct b } /* Init PCIE core */ - core = bcma_find_core(bus, BCMA_CORE_PCIE); + core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0); if (core) { - bus->drv_pci.core = core; - bcma_core_pci_init(&bus->drv_pci); + bus->drv_pci[0].core = core; + bcma_core_pci_init(&bus->drv_pci[0]); + } + + /* Init PCIE core */ + core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1); + if (core) { + bus->drv_pci[1].core = core; + bcma_core_pci_init(&bus->drv_pci[1]); } /* Init GBIT MAC COMMON core */ @@ -194,13 +289,6 @@ int __devinit bcma_bus_register(struct b bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn); } - /* Try to get SPROM */ - err = bcma_sprom_get(bus); - if (err == -ENOENT) { - bcma_err(bus, "No SPROM available\n"); - } else if (err) - bcma_err(bus, "Failed to get SPROM: %d\n", err); - /* Register found cores */ bcma_register_cores(bus); @@ -211,7 +299,24 @@ int __devinit bcma_bus_register(struct b void bcma_bus_unregister(struct bcma_bus *bus) { + struct bcma_device *cores[3]; + int err; + + err = bcma_gpio_unregister(&bus->drv_cc); + if (err == -EBUSY) + bcma_err(bus, "Some GPIOs are still in use.\n"); + else if (err) + bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); + + cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K); + cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE); + cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON); + bcma_unregister_cores(bus); + + kfree(cores[2]); + kfree(cores[1]); + kfree(cores[0]); } int __init bcma_bus_early_register(struct bcma_bus *bus, @@ -248,18 +353,18 @@ int __init bcma_bus_early_register(struc return -1; } - /* Init CC core */ + /* Early init CC core */ core = bcma_find_core(bus, bcma_cc_core_id(bus)); if (core) { bus->drv_cc.core = core; - bcma_core_chipcommon_init(&bus->drv_cc); + bcma_core_chipcommon_early_init(&bus->drv_cc); } - /* Init MIPS core */ + /* Early init MIPS core */ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); if (core) { bus->drv_mips.core = core; - bcma_core_mips_init(&bus->drv_mips); + bcma_core_mips_early_init(&bus->drv_mips); } bcma_info(bus, "Early bus registered\n"); --- a/drivers/bcma/scan.c +++ b/drivers/bcma/scan.c @@ -32,6 +32,18 @@ static const struct bcma_device_id_name { BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" }, { BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" }, { BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" }, + { BCMA_CORE_PCIEG2, "PCIe Gen 2" }, + { BCMA_CORE_DMA, "DMA" }, + { BCMA_CORE_SDIO3, "SDIO3" }, + { BCMA_CORE_USB20, "USB 2.0" }, + { BCMA_CORE_USB30, "USB 3.0" }, + { BCMA_CORE_A9JTAG, "ARM Cortex A9 JTAG" }, + { BCMA_CORE_DDR23, "Denali DDR2/DDR3 memory controller" }, + { BCMA_CORE_ROM, "ROM" }, + { BCMA_CORE_NAND, "NAND flash controller" }, + { BCMA_CORE_QSPI, "SPI flash controller" }, + { BCMA_CORE_CHIPCOMMON_B, "Chipcommon B" }, + { BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" }, { BCMA_CORE_AMEMC, "AMEMC (DDR)" }, { BCMA_CORE_ALTA, "ALTA (I2S)" }, { BCMA_CORE_INVALID, "Invalid" }, @@ -84,6 +96,8 @@ static const struct bcma_device_id_name { BCMA_CORE_I2S, "I2S" }, { BCMA_CORE_SDR_DDR1_MEM_CTL, "SDR/DDR1 Memory Controller" }, { BCMA_CORE_SHIM, "SHIM" }, + { BCMA_CORE_PCIE2, "PCIe Gen2" }, + { BCMA_CORE_ARM_CR4, "ARM CR4" }, { BCMA_CORE_DEFAULT, "Default" }, }; @@ -137,19 +151,19 @@ static void bcma_scan_switch_core(struct addr); } -static u32 bcma_erom_get_ent(struct bcma_bus *bus, u32 **eromptr) +static u32 bcma_erom_get_ent(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent = readl(*eromptr); (*eromptr)++; return ent; } -static void bcma_erom_push_ent(u32 **eromptr) +static void bcma_erom_push_ent(u32 __iomem **eromptr) { (*eromptr)--; } -static s32 bcma_erom_get_ci(struct bcma_bus *bus, u32 **eromptr) +static s32 bcma_erom_get_ci(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent = bcma_erom_get_ent(bus, eromptr); if (!(ent & SCAN_ER_VALID)) @@ -159,14 +173,14 @@ static s32 bcma_erom_get_ci(struct bcma_ return ent; } -static bool bcma_erom_is_end(struct bcma_bus *bus, u32 **eromptr) +static bool bcma_erom_is_end(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent = bcma_erom_get_ent(bus, eromptr); bcma_erom_push_ent(eromptr); return (ent == (SCAN_ER_TAG_END | SCAN_ER_VALID)); } -static bool bcma_erom_is_bridge(struct bcma_bus *bus, u32 **eromptr) +static bool bcma_erom_is_bridge(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent = bcma_erom_get_ent(bus, eromptr); bcma_erom_push_ent(eromptr); @@ -175,7 +189,7 @@ static bool bcma_erom_is_bridge(struct b ((ent & SCAN_ADDR_TYPE) == SCAN_ADDR_TYPE_BRIDGE)); } -static void bcma_erom_skip_component(struct bcma_bus *bus, u32 **eromptr) +static void bcma_erom_skip_component(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent; while (1) { @@ -189,7 +203,7 @@ static void bcma_erom_skip_component(str bcma_erom_push_ent(eromptr); } -static s32 bcma_erom_get_mst_port(struct bcma_bus *bus, u32 **eromptr) +static s32 bcma_erom_get_mst_port(struct bcma_bus *bus, u32 __iomem **eromptr) { u32 ent = bcma_erom_get_ent(bus, eromptr); if (!(ent & SCAN_ER_VALID)) @@ -199,7 +213,7 @@ static s32 bcma_erom_get_mst_port(struct return ent; } -static s32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 **eromptr, +static u32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr, u32 type, u8 port) { u32 addrl, addrh, sizel, sizeh = 0; @@ -211,7 +225,7 @@ static s32 bcma_erom_get_addr_desc(struc ((ent & SCAN_ADDR_TYPE) != type) || (((ent & SCAN_ADDR_PORT) >> SCAN_ADDR_PORT_SHIFT) != port)) { bcma_erom_push_ent(eromptr); - return -EINVAL; + return (u32)-EINVAL; } addrl = ent & SCAN_ADDR_ADDR; @@ -255,11 +269,13 @@ static struct bcma_device *bcma_find_cor return NULL; } +#define IS_ERR_VALUE_U32(x) ((x) >= (u32)-MAX_ERRNO) + static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr, struct bcma_device_id *match, int core_num, struct bcma_device *core) { - s32 tmp; + u32 tmp; u8 i, j; s32 cia, cib; u8 ports[2], wrappers[2]; @@ -337,11 +353,11 @@ static int bcma_get_next_core(struct bcm * the main register space for the core */ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0); - if (tmp <= 0) { + if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) { /* Try again to see if it is a bridge */ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_BRIDGE, 0); - if (tmp <= 0) { + if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) { return -EILSEQ; } else { bcma_info(bus, "Bridge found\n"); @@ -355,7 +371,7 @@ static int bcma_get_next_core(struct bcm for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, i); - if (tmp < 0) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: slave port %d " * "has %d descriptors\n", i, j); */ @@ -372,7 +388,7 @@ static int bcma_get_next_core(struct bcm for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_MWRAP, i); - if (tmp < 0) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: master wrapper %d " * "has %d descriptors\n", i, j); */ @@ -390,7 +406,7 @@ static int bcma_get_next_core(struct bcm for (j = 0; ; j++) { tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SWRAP, i + hack); - if (tmp < 0) { + if (IS_ERR_VALUE_U32(tmp)) { /* no more entries for port _i_ */ /* pr_debug("erom: master wrapper %d " * has %d descriptors\n", i, j); */ --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c @@ -72,12 +72,12 @@ fail: * R/W ops. **************************************************/ -static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom) +static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom, + size_t words) { int i; - for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++) - sprom[i] = bcma_read16(bus->drv_cc.core, - offset + (i * 2)); + for (i = 0; i < words; i++) + sprom[i] = bcma_read16(bus->drv_cc.core, offset + (i * 2)); } /************************************************** @@ -124,29 +124,29 @@ static inline u8 bcma_crc8(u8 crc, u8 da return t[crc ^ data]; } -static u8 bcma_sprom_crc(const u16 *sprom) +static u8 bcma_sprom_crc(const u16 *sprom, size_t words) { int word; u8 crc = 0xFF; - for (word = 0; word < SSB_SPROMSIZE_WORDS_R4 - 1; word++) { + for (word = 0; word < words - 1; word++) { crc = bcma_crc8(crc, sprom[word] & 0x00FF); crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8); } - crc = bcma_crc8(crc, sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & 0x00FF); + crc = bcma_crc8(crc, sprom[words - 1] & 0x00FF); crc ^= 0xFF; return crc; } -static int bcma_sprom_check_crc(const u16 *sprom) +static int bcma_sprom_check_crc(const u16 *sprom, size_t words) { u8 crc; u8 expected_crc; u16 tmp; - crc = bcma_sprom_crc(sprom); - tmp = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_CRC; + crc = bcma_sprom_crc(sprom, words); + tmp = sprom[words - 1] & SSB_SPROM_REVISION_CRC; expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT; if (crc != expected_crc) return -EPROTO; @@ -154,21 +154,25 @@ static int bcma_sprom_check_crc(const u1 return 0; } -static int bcma_sprom_valid(const u16 *sprom) +static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom, + size_t words) { u16 revision; int err; - err = bcma_sprom_check_crc(sprom); + err = bcma_sprom_check_crc(sprom, words); if (err) return err; - revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV; - if (revision != 8 && revision != 9) { + revision = sprom[words - 1] & SSB_SPROM_REVISION_REV; + if (revision != 8 && revision != 9 && revision != 10) { pr_err("Unsupported SPROM revision: %d\n", revision); return -ENOENT; } + bus->sprom.revision = revision; + bcma_debug(bus, "Found SPROM revision %d\n", revision); + return 0; } @@ -208,15 +212,13 @@ static void bcma_sprom_extract_r8(struct BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) != ARRAY_SIZE(bus->sprom.core_pwr_info)); - bus->sprom.revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & - SSB_SPROM_REVISION_REV; - for (i = 0; i < 3; i++) { v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i]; *(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v); } SPEX(board_rev, SSB_SPROM8_BOARDREV, ~0, 0); + SPEX(board_type, SSB_SPROM1_SPID, ~0, 0); SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT); @@ -501,13 +503,15 @@ static bool bcma_sprom_onchip_available( case BCMA_CHIP_ID_BCM4331: present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT; break; - + case BCMA_CHIP_ID_BCM43142: case BCMA_CHIP_ID_BCM43224: case BCMA_CHIP_ID_BCM43225: /* for these chips OTP is always available */ present = true; break; + case BCMA_CHIP_ID_BCM43227: case BCMA_CHIP_ID_BCM43228: + case BCMA_CHIP_ID_BCM43428: present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT; break; default: @@ -547,7 +551,9 @@ int bcma_sprom_get(struct bcma_bus *bus) { u16 offset = BCMA_CC_SPROM; u16 *sprom; - int err = 0; + size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4, + SSB_SPROMSIZE_WORDS_R10, }; + int i, err = 0; if (!bus->drv_cc.core) return -EOPNOTSUPP; @@ -576,29 +582,37 @@ int bcma_sprom_get(struct bcma_bus *bus) } } - sprom = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16), - GFP_KERNEL); - if (!sprom) - return -ENOMEM; - if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 || bus->chipinfo.id == BCMA_CHIP_ID_BCM43431) bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false); bcma_debug(bus, "SPROM offset 0x%x\n", offset); - bcma_sprom_read(bus, offset, sprom); + for (i = 0; i < ARRAY_SIZE(sprom_sizes); i++) { + size_t words = sprom_sizes[i]; + + sprom = kcalloc(words, sizeof(u16), GFP_KERNEL); + if (!sprom) + return -ENOMEM; + + bcma_sprom_read(bus, offset, sprom, words); + err = bcma_sprom_valid(bus, sprom, words); + if (!err) + break; + + kfree(sprom); + } if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 || bus->chipinfo.id == BCMA_CHIP_ID_BCM43431) bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true); - err = bcma_sprom_valid(sprom); - if (err) - goto out; - - bcma_sprom_extract_r8(bus, sprom); + if (err) { + bcma_warn(bus, "Invalid SPROM read from the PCIe card, trying to use fallback SPROM\n"); + err = bcma_fill_sprom_with_fallback(bus, &bus->sprom); + } else { + bcma_sprom_extract_r8(bus, sprom); + kfree(sprom); + } -out: - kfree(sprom); return err; } --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -10,7 +10,7 @@ #include #include /* SPROM sharing */ -#include "bcma_regs.h" +#include struct bcma_device; struct bcma_bus; @@ -72,7 +72,19 @@ struct bcma_host_ops { /* Core-ID values. */ #define BCMA_CORE_OOB_ROUTER 0x367 /* Out of band */ #define BCMA_CORE_4706_CHIPCOMMON 0x500 +#define BCMA_CORE_PCIEG2 0x501 +#define BCMA_CORE_DMA 0x502 +#define BCMA_CORE_SDIO3 0x503 +#define BCMA_CORE_USB20 0x504 +#define BCMA_CORE_USB30 0x505 +#define BCMA_CORE_A9JTAG 0x506 +#define BCMA_CORE_DDR23 0x507 +#define BCMA_CORE_ROM 0x508 +#define BCMA_CORE_NAND 0x509 +#define BCMA_CORE_QSPI 0x50A +#define BCMA_CORE_CHIPCOMMON_B 0x50B #define BCMA_CORE_4706_SOC_RAM 0x50E +#define BCMA_CORE_ARMCA9 0x510 #define BCMA_CORE_4706_MAC_GBIT 0x52D #define BCMA_CORE_AMEMC 0x52E /* DDR1/2 memory controller core */ #define BCMA_CORE_ALTA 0x534 /* I2S core */ @@ -134,12 +146,17 @@ struct bcma_host_ops { #define BCMA_CORE_I2S 0x834 #define BCMA_CORE_SDR_DDR1_MEM_CTL 0x835 /* SDR/DDR1 memory controller core */ #define BCMA_CORE_SHIM 0x837 /* SHIM component in ubus/6362 */ +#define BCMA_CORE_PHY_AC 0x83B +#define BCMA_CORE_PCIE2 0x83C /* PCI Express Gen2 */ +#define BCMA_CORE_USB30_DEV 0x83D +#define BCMA_CORE_ARM_CR4 0x83E #define BCMA_CORE_DEFAULT 0xFFF #define BCMA_MAX_NR_CORES 16 /* Chip IDs of PCIe devices */ #define BCMA_CHIP_ID_BCM4313 0x4313 +#define BCMA_CHIP_ID_BCM43142 43142 #define BCMA_CHIP_ID_BCM43224 43224 #define BCMA_PKG_ID_BCM43224_FAB_CSM 0x8 #define BCMA_PKG_ID_BCM43224_FAB_SMIC 0xa @@ -157,6 +174,7 @@ struct bcma_host_ops { /* Chip IDs of SoCs */ #define BCMA_CHIP_ID_BCM4706 0x5300 +#define BCMA_PKG_ID_BCM4706L 1 #define BCMA_CHIP_ID_BCM4716 0x4716 #define BCMA_PKG_ID_BCM4716 8 #define BCMA_PKG_ID_BCM4717 9 @@ -166,7 +184,70 @@ struct bcma_host_ops { #define BCMA_CHIP_ID_BCM4749 0x4749 #define BCMA_CHIP_ID_BCM5356 0x5356 #define BCMA_CHIP_ID_BCM5357 0x5357 +#define BCMA_PKG_ID_BCM5358 9 +#define BCMA_PKG_ID_BCM47186 10 +#define BCMA_PKG_ID_BCM5357 11 #define BCMA_CHIP_ID_BCM53572 53572 +#define BCMA_PKG_ID_BCM47188 9 +#define BCMA_CHIP_ID_BCM4707 53010 +#define BCMA_PKG_ID_BCM4707 1 +#define BCMA_PKG_ID_BCM4708 2 +#define BCMA_PKG_ID_BCM4709 0 +#define BCMA_CHIP_ID_BCM53018 53018 + +/* Board types (on PCI usually equals to the subsystem dev id) */ +/* BCM4313 */ +#define BCMA_BOARD_TYPE_BCM94313BU 0X050F +#define BCMA_BOARD_TYPE_BCM94313HM 0X0510 +#define BCMA_BOARD_TYPE_BCM94313EPA 0X0511 +#define BCMA_BOARD_TYPE_BCM94313HMG 0X051C +/* BCM4716 */ +#define BCMA_BOARD_TYPE_BCM94716NR2 0X04CD +/* BCM43224 */ +#define BCMA_BOARD_TYPE_BCM943224X21 0X056E +#define BCMA_BOARD_TYPE_BCM943224X21_FCC 0X00D1 +#define BCMA_BOARD_TYPE_BCM943224X21B 0X00E9 +#define BCMA_BOARD_TYPE_BCM943224M93 0X008B +#define BCMA_BOARD_TYPE_BCM943224M93A 0X0090 +#define BCMA_BOARD_TYPE_BCM943224X16 0X0093 +#define BCMA_BOARD_TYPE_BCM94322X9 0X008D +#define BCMA_BOARD_TYPE_BCM94322M35E 0X008E +/* BCM43228 */ +#define BCMA_BOARD_TYPE_BCM943228BU8 0X0540 +#define BCMA_BOARD_TYPE_BCM943228BU9 0X0541 +#define BCMA_BOARD_TYPE_BCM943228BU 0X0542 +#define BCMA_BOARD_TYPE_BCM943227HM4L 0X0543 +#define BCMA_BOARD_TYPE_BCM943227HMB 0X0544 +#define BCMA_BOARD_TYPE_BCM943228HM4L 0X0545 +#define BCMA_BOARD_TYPE_BCM943228SD 0X0573 +/* BCM4331 */ +#define BCMA_BOARD_TYPE_BCM94331X19 0X00D6 +#define BCMA_BOARD_TYPE_BCM94331X28 0X00E4 +#define BCMA_BOARD_TYPE_BCM94331X28B 0X010E +#define BCMA_BOARD_TYPE_BCM94331PCIEBT3AX 0X00E4 +#define BCMA_BOARD_TYPE_BCM94331X12_2G 0X00EC +#define BCMA_BOARD_TYPE_BCM94331X12_5G 0X00ED +#define BCMA_BOARD_TYPE_BCM94331X29B 0X00EF +#define BCMA_BOARD_TYPE_BCM94331CSAX 0X00EF +#define BCMA_BOARD_TYPE_BCM94331X19C 0X00F5 +#define BCMA_BOARD_TYPE_BCM94331X33 0X00F4 +#define BCMA_BOARD_TYPE_BCM94331BU 0X0523 +#define BCMA_BOARD_TYPE_BCM94331S9BU 0X0524 +#define BCMA_BOARD_TYPE_BCM94331MC 0X0525 +#define BCMA_BOARD_TYPE_BCM94331MCI 0X0526 +#define BCMA_BOARD_TYPE_BCM94331PCIEBT4 0X0527 +#define BCMA_BOARD_TYPE_BCM94331HM 0X0574 +#define BCMA_BOARD_TYPE_BCM94331PCIEDUAL 0X059B +#define BCMA_BOARD_TYPE_BCM94331MCH5 0X05A9 +#define BCMA_BOARD_TYPE_BCM94331CS 0X05C6 +#define BCMA_BOARD_TYPE_BCM94331CD 0X05DA +/* BCM53572 */ +#define BCMA_BOARD_TYPE_BCM953572BU 0X058D +#define BCMA_BOARD_TYPE_BCM953572NR2 0X058E +#define BCMA_BOARD_TYPE_BCM947188NR2 0X058F +#define BCMA_BOARD_TYPE_BCM953572SDRNR2 0X0590 +/* BCM43142 */ +#define BCMA_BOARD_TYPE_BCM943142HM 0X05E0 struct bcma_device { struct bcma_bus *bus; @@ -251,7 +332,7 @@ struct bcma_bus { u8 num; struct bcma_drv_cc drv_cc; - struct bcma_drv_pci drv_pci; + struct bcma_drv_pci drv_pci[2]; struct bcma_drv_mips drv_mips; struct bcma_drv_gmac_cmn drv_gmac_cmn; @@ -345,6 +426,7 @@ 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 +1,9 @@ #ifndef LINUX_BCMA_DRIVER_CC_H_ #define LINUX_BCMA_DRIVER_CC_H_ +#include +#include + /** ChipCommon core registers. **/ #define BCMA_CC_ID 0x0000 #define BCMA_CC_ID_ID 0x0000FFFF @@ -24,7 +27,7 @@ #define BCMA_CC_FLASHT_NONE 0x00000000 /* No flash */ #define BCMA_CC_FLASHT_STSER 0x00000100 /* ST serial flash */ #define BCMA_CC_FLASHT_ATSER 0x00000200 /* Atmel serial flash */ -#define BCMA_CC_FLASHT_NFLASH 0x00000200 /* NAND flash */ +#define BCMA_CC_FLASHT_NAND 0x00000300 /* NAND flash */ #define BCMA_CC_FLASHT_PARA 0x00000700 /* Parallel flash */ #define BCMA_CC_CAP_PLLT 0x00038000 /* PLL Type */ #define BCMA_PLLTYPE_NONE 0x00000000 @@ -100,6 +103,8 @@ #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 */ +#define BCMA_CC_CHIPST_5357_NAND_BOOT BIT(4) /* NAND boot, valid for CC rev 38 and/or BCM5357 */ +#define BCMA_CC_CHIPST_4360_XTAL_40MZ 0x00000001 #define BCMA_CC_JCMD 0x0030 /* Rev >= 10 only */ #define BCMA_CC_JCMD_START 0x80000000 #define BCMA_CC_JCMD_BUSY 0x80000000 @@ -266,6 +271,29 @@ #define BCMA_CC_SROM_CONTROL_SIZE_16K 0x00000004 #define BCMA_CC_SROM_CONTROL_SIZE_SHIFT 1 #define BCMA_CC_SROM_CONTROL_PRESENT 0x00000001 +/* Block 0x140 - 0x190 registers are chipset specific */ +#define BCMA_CC_4706_FLASHSCFG 0x18C /* Flash struct configuration */ +#define BCMA_CC_4706_FLASHSCFG_MASK 0x000000ff +#define BCMA_CC_4706_FLASHSCFG_SF1 0x00000001 /* 2nd serial flash present */ +#define BCMA_CC_4706_FLASHSCFG_PF1 0x00000002 /* 2nd parallel flash present */ +#define BCMA_CC_4706_FLASHSCFG_SF1_TYPE 0x00000004 /* 2nd serial flash type : 0 : ST, 1 : Atmel */ +#define BCMA_CC_4706_FLASHSCFG_NF1 0x00000008 /* 2nd NAND flash present */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_MASK 0x000000f0 +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_4MB 0x00000010 /* 4MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_8MB 0x00000020 /* 8MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_16MB 0x00000030 /* 16MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_32MB 0x00000040 /* 32MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_64MB 0x00000050 /* 64MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_128MB 0x00000060 /* 128MB */ +#define BCMA_CC_4706_FLASHSCFG_1ST_MADDR_SEG_256MB 0x00000070 /* 256MB */ +/* NAND flash registers for BCM4706 (corerev = 31) */ +#define BCMA_CC_NFLASH_CTL 0x01A0 +#define BCMA_CC_NFLASH_CTL_ERR 0x08000000 +#define BCMA_CC_NFLASH_CONF 0x01A4 +#define BCMA_CC_NFLASH_COL_ADDR 0x01A8 +#define BCMA_CC_NFLASH_ROW_ADDR 0x01AC +#define BCMA_CC_NFLASH_DATA 0x01B0 +#define BCMA_CC_NFLASH_WAITCNT0 0x01B4 /* 0x1E0 is defined as shared BCMA_CLKCTLST */ #define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */ #define BCMA_CC_UART0_DATA 0x0300 @@ -288,6 +316,9 @@ #define BCMA_CC_PMU_CTL 0x0600 /* PMU control */ #define BCMA_CC_PMU_CTL_ILP_DIV 0xFFFF0000 /* ILP div mask */ #define BCMA_CC_PMU_CTL_ILP_DIV_SHIFT 16 +#define BCMA_CC_PMU_CTL_RES 0x00006000 /* reset control mask */ +#define BCMA_CC_PMU_CTL_RES_SHIFT 13 +#define BCMA_CC_PMU_CTL_RES_RELOAD 0x2 /* reload POR values */ #define BCMA_CC_PMU_CTL_PLL_UPD 0x00000400 #define BCMA_CC_PMU_CTL_NOILPONW 0x00000200 /* No ILP on wait */ #define BCMA_CC_PMU_CTL_HTREQEN 0x00000100 /* HT req enable */ @@ -299,6 +330,8 @@ #define BCMA_CC_PMU_CAP 0x0604 /* PMU capabilities */ #define BCMA_CC_PMU_CAP_REVISION 0x000000FF /* Revision mask */ #define BCMA_CC_PMU_STAT 0x0608 /* PMU status */ +#define BCMA_CC_PMU_STAT_EXT_LPO_AVAIL 0x00000100 +#define BCMA_CC_PMU_STAT_WDRESET 0x00000080 #define BCMA_CC_PMU_STAT_INTPEND 0x00000040 /* Interrupt pending */ #define BCMA_CC_PMU_STAT_SBCLKST 0x00000030 /* Backplane clock status? */ #define BCMA_CC_PMU_STAT_HAVEALP 0x00000008 /* ALP available */ @@ -324,7 +357,66 @@ #define BCMA_CC_REGCTL_DATA 0x065C #define BCMA_CC_PLLCTL_ADDR 0x0660 #define BCMA_CC_PLLCTL_DATA 0x0664 +#define BCMA_CC_PMU_STRAPOPT 0x0668 /* (corerev >= 28) */ +#define BCMA_CC_PMU_XTAL_FREQ 0x066C /* (pmurev >= 10) */ +#define BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK 0x00001FFF +#define BCMA_CC_PMU_XTAL_FREQ_MEASURE_MASK 0x80000000 +#define BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT 31 #define BCMA_CC_SPROM 0x0800 /* SPROM beginning */ +/* NAND flash MLC controller registers (corerev >= 38) */ +#define BCMA_CC_NAND_REVISION 0x0C00 +#define BCMA_CC_NAND_CMD_START 0x0C04 +#define BCMA_CC_NAND_CMD_ADDR_X 0x0C08 +#define BCMA_CC_NAND_CMD_ADDR 0x0C0C +#define BCMA_CC_NAND_CMD_END_ADDR 0x0C10 +#define BCMA_CC_NAND_CS_NAND_SELECT 0x0C14 +#define BCMA_CC_NAND_CS_NAND_XOR 0x0C18 +#define BCMA_CC_NAND_SPARE_RD0 0x0C20 +#define BCMA_CC_NAND_SPARE_RD4 0x0C24 +#define BCMA_CC_NAND_SPARE_RD8 0x0C28 +#define BCMA_CC_NAND_SPARE_RD12 0x0C2C +#define BCMA_CC_NAND_SPARE_WR0 0x0C30 +#define BCMA_CC_NAND_SPARE_WR4 0x0C34 +#define BCMA_CC_NAND_SPARE_WR8 0x0C38 +#define BCMA_CC_NAND_SPARE_WR12 0x0C3C +#define BCMA_CC_NAND_ACC_CONTROL 0x0C40 +#define BCMA_CC_NAND_CONFIG 0x0C48 +#define BCMA_CC_NAND_TIMING_1 0x0C50 +#define BCMA_CC_NAND_TIMING_2 0x0C54 +#define BCMA_CC_NAND_SEMAPHORE 0x0C58 +#define BCMA_CC_NAND_DEVID 0x0C60 +#define BCMA_CC_NAND_DEVID_X 0x0C64 +#define BCMA_CC_NAND_BLOCK_LOCK_STATUS 0x0C68 +#define BCMA_CC_NAND_INTFC_STATUS 0x0C6C +#define BCMA_CC_NAND_ECC_CORR_ADDR_X 0x0C70 +#define BCMA_CC_NAND_ECC_CORR_ADDR 0x0C74 +#define BCMA_CC_NAND_ECC_UNC_ADDR_X 0x0C78 +#define BCMA_CC_NAND_ECC_UNC_ADDR 0x0C7C +#define BCMA_CC_NAND_READ_ERROR_COUNT 0x0C80 +#define BCMA_CC_NAND_CORR_STAT_THRESHOLD 0x0C84 +#define BCMA_CC_NAND_READ_ADDR_X 0x0C90 +#define BCMA_CC_NAND_READ_ADDR 0x0C94 +#define BCMA_CC_NAND_PAGE_PROGRAM_ADDR_X 0x0C98 +#define BCMA_CC_NAND_PAGE_PROGRAM_ADDR 0x0C9C +#define BCMA_CC_NAND_COPY_BACK_ADDR_X 0x0CA0 +#define BCMA_CC_NAND_COPY_BACK_ADDR 0x0CA4 +#define BCMA_CC_NAND_BLOCK_ERASE_ADDR_X 0x0CA8 +#define BCMA_CC_NAND_BLOCK_ERASE_ADDR 0x0CAC +#define BCMA_CC_NAND_INV_READ_ADDR_X 0x0CB0 +#define BCMA_CC_NAND_INV_READ_ADDR 0x0CB4 +#define BCMA_CC_NAND_BLK_WR_PROTECT 0x0CC0 +#define BCMA_CC_NAND_ACC_CONTROL_CS1 0x0CD0 +#define BCMA_CC_NAND_CONFIG_CS1 0x0CD4 +#define BCMA_CC_NAND_TIMING_1_CS1 0x0CD8 +#define BCMA_CC_NAND_TIMING_2_CS1 0x0CDC +#define BCMA_CC_NAND_SPARE_RD16 0x0D30 +#define BCMA_CC_NAND_SPARE_RD20 0x0D34 +#define BCMA_CC_NAND_SPARE_RD24 0x0D38 +#define BCMA_CC_NAND_SPARE_RD28 0x0D3C +#define BCMA_CC_NAND_CACHE_ADDR 0x0D40 +#define BCMA_CC_NAND_CACHE_DATA 0x0D44 +#define BCMA_CC_NAND_CTRL_CONFIG 0x0D48 +#define BCMA_CC_NAND_CTRL_STATUS 0x0D4C /* Divider allocation in 4716/47162/5356 */ #define BCMA_CC_PMU5_MAINPLL_CPU 1 @@ -350,6 +442,23 @@ #define BCMA_CC_PMU6_4706_PROC_NDIV_MODE_MASK 0x00000007 #define BCMA_CC_PMU6_4706_PROC_NDIV_MODE_SHIFT 0 +/* PMU rev 15 */ +#define BCMA_CC_PMU15_PLL_PLLCTL0 0 +#define BCMA_CC_PMU15_PLL_PC0_CLKSEL_MASK 0x00000003 +#define BCMA_CC_PMU15_PLL_PC0_CLKSEL_SHIFT 0 +#define BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK 0x003FFFFC +#define BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT 2 +#define BCMA_CC_PMU15_PLL_PC0_PRESCALE_MASK 0x00C00000 +#define BCMA_CC_PMU15_PLL_PC0_PRESCALE_SHIFT 22 +#define BCMA_CC_PMU15_PLL_PC0_KPCTRL_MASK 0x07000000 +#define BCMA_CC_PMU15_PLL_PC0_KPCTRL_SHIFT 24 +#define BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_MASK 0x38000000 +#define BCMA_CC_PMU15_PLL_PC0_FCNTCTRL_SHIFT 27 +#define BCMA_CC_PMU15_PLL_PC0_FDCMODE_MASK 0x40000000 +#define BCMA_CC_PMU15_PLL_PC0_FDCMODE_SHIFT 30 +#define BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_MASK 0x80000000 +#define BCMA_CC_PMU15_PLL_PC0_CTRLBIAS_SHIFT 31 + /* ALP clock on pre-PMU chips */ #define BCMA_CC_PMU_ALP_CLOCK 20000000 /* HT clock for systems with PMU-enabled chipcommon */ @@ -415,6 +524,44 @@ /* 4313 Chip specific ChipControl register bits */ #define BCMA_CCTRL_4313_12MA_LED_DRIVE 0x00000007 /* 12 mA drive strengh for later 4313 */ +/* BCM5357 ChipControl register bits */ +#define BCMA_CHIPCTL_5357_EXTPA BIT(14) +#define BCMA_CHIPCTL_5357_ANT_MUX_2O3 BIT(15) +#define BCMA_CHIPCTL_5357_NFLASH BIT(16) +#define BCMA_CHIPCTL_5357_I2S_PINS_ENABLE BIT(18) +#define BCMA_CHIPCTL_5357_I2CSPI_PINS_ENABLE BIT(19) + +#define BCMA_RES_4314_LPLDO_PU BIT(0) +#define BCMA_RES_4314_PMU_SLEEP_DIS BIT(1) +#define BCMA_RES_4314_PMU_BG_PU BIT(2) +#define BCMA_RES_4314_CBUCK_LPOM_PU BIT(3) +#define BCMA_RES_4314_CBUCK_PFM_PU BIT(4) +#define BCMA_RES_4314_CLDO_PU BIT(5) +#define BCMA_RES_4314_LPLDO2_LVM BIT(6) +#define BCMA_RES_4314_WL_PMU_PU BIT(7) +#define BCMA_RES_4314_LNLDO_PU BIT(8) +#define BCMA_RES_4314_LDO3P3_PU BIT(9) +#define BCMA_RES_4314_OTP_PU BIT(10) +#define BCMA_RES_4314_XTAL_PU BIT(11) +#define BCMA_RES_4314_WL_PWRSW_PU BIT(12) +#define BCMA_RES_4314_LQ_AVAIL BIT(13) +#define BCMA_RES_4314_LOGIC_RET BIT(14) +#define BCMA_RES_4314_MEM_SLEEP BIT(15) +#define BCMA_RES_4314_MACPHY_RET BIT(16) +#define BCMA_RES_4314_WL_CORE_READY BIT(17) +#define BCMA_RES_4314_ILP_REQ BIT(18) +#define BCMA_RES_4314_ALP_AVAIL BIT(19) +#define BCMA_RES_4314_MISC_PWRSW_PU BIT(20) +#define BCMA_RES_4314_SYNTH_PWRSW_PU BIT(21) +#define BCMA_RES_4314_RX_PWRSW_PU BIT(22) +#define BCMA_RES_4314_RADIO_PU BIT(23) +#define BCMA_RES_4314_VCO_LDO_PU BIT(24) +#define BCMA_RES_4314_AFE_LDO_PU BIT(25) +#define BCMA_RES_4314_RX_LDO_PU BIT(26) +#define BCMA_RES_4314_TX_LDO_PU BIT(27) +#define BCMA_RES_4314_HT_AVAIL BIT(28) +#define BCMA_RES_4314_MACPHY_CLK_AVAIL BIT(29) + /* Data for the PMU, if available. * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) */ @@ -425,11 +572,36 @@ struct bcma_chipcommon_pmu { #ifdef CONFIG_BCMA_DRIVER_MIPS struct bcma_pflash { + bool present; u8 buswidth; u32 window; u32 window_size; }; +#ifdef CONFIG_BCMA_SFLASH +struct bcma_sflash { + bool present; + u32 window; + u32 blocksize; + u16 numblocks; + u32 size; + + struct mtd_info *mtd; + void *priv; +}; +#endif + +#ifdef CONFIG_BCMA_NFLASH +struct mtd_info; + +struct bcma_nflash { + bool present; + bool boot; /* This is the flash the SoC boots from */ + + struct mtd_info *mtd; +}; +#endif + struct bcma_serial_port { void *regs; unsigned long clockspeed; @@ -445,15 +617,30 @@ struct bcma_drv_cc { u32 capabilities; u32 capabilities_ext; u8 setup_done:1; + u8 early_setup_done:1; /* Fast Powerup Delay constant */ u16 fast_pwrup_delay; struct bcma_chipcommon_pmu pmu; #ifdef CONFIG_BCMA_DRIVER_MIPS struct bcma_pflash pflash; +#ifdef CONFIG_BCMA_SFLASH + struct bcma_sflash sflash; +#endif +#ifdef CONFIG_BCMA_NFLASH + struct bcma_nflash nflash; +#endif int nr_serial_ports; struct bcma_serial_port serial_ports[4]; #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 +657,16 @@ 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); +extern void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc); extern void bcma_chipco_suspend(struct bcma_drv_cc *cc); extern void bcma_chipco_resume(struct bcma_drv_cc *cc); void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable); -extern void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, - u32 ticks); +extern u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks); + +extern u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc); void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value); @@ -490,9 +679,12 @@ 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); +extern void bcma_pmu_early_init(struct bcma_drv_cc *cc); extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value); @@ -504,4 +696,6 @@ extern void bcma_chipco_regctl_maskset(s u32 offset, u32 mask, u32 set); extern void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid); +extern u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc); + #endif /* LINUX_BCMA_DRIVER_CC_H_ */ --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -28,6 +28,7 @@ #define BCMA_MIPS_MIPS74K_GPIOEN 0x0048 #define BCMA_MIPS_MIPS74K_CLKCTLST 0x01E0 +#define BCMA_MIPS_OOBSELINA74 0x004 #define BCMA_MIPS_OOBSELOUTA30 0x100 struct bcma_device; @@ -35,17 +36,24 @@ struct bcma_device; struct bcma_drv_mips { struct bcma_device *core; u8 setup_done:1; - unsigned int assigned_irqs; + u8 early_setup_done:1; }; #ifdef CONFIG_BCMA_DRIVER_MIPS extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); +extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore); + +extern unsigned int bcma_core_irq(struct bcma_device *core); #else static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } +static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } + +static inline unsigned int bcma_core_irq(struct bcma_device *core) +{ + return 0; +} #endif extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); -extern unsigned int bcma_core_mips_irq(struct bcma_device *dev); - #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -179,10 +179,33 @@ struct pci_dev; #define BCMA_CORE_PCI_CFG_FUN_MASK 7 /* Function mask */ #define BCMA_CORE_PCI_CFG_OFF_MASK 0xfff /* Register mask */ +#define BCMA_CORE_PCI_CFG_DEVCTRL 0xd8 + +#define BCMA_CORE_PCI_ + +/* MDIO devices (SERDES modules) */ +#define BCMA_CORE_PCI_MDIO_IEEE0 0x000 +#define BCMA_CORE_PCI_MDIO_IEEE1 0x001 +#define BCMA_CORE_PCI_MDIO_BLK0 0x800 +#define BCMA_CORE_PCI_MDIO_BLK1 0x801 +#define BCMA_CORE_PCI_MDIO_BLK1_MGMT0 0x16 +#define BCMA_CORE_PCI_MDIO_BLK1_MGMT1 0x17 +#define BCMA_CORE_PCI_MDIO_BLK1_MGMT2 0x18 +#define BCMA_CORE_PCI_MDIO_BLK1_MGMT3 0x19 +#define BCMA_CORE_PCI_MDIO_BLK1_MGMT4 0x1A +#define BCMA_CORE_PCI_MDIO_BLK2 0x802 +#define BCMA_CORE_PCI_MDIO_BLK3 0x803 +#define BCMA_CORE_PCI_MDIO_BLK4 0x804 +#define BCMA_CORE_PCI_MDIO_TXPLL 0x808 /* TXPLL register block idx */ +#define BCMA_CORE_PCI_MDIO_TXCTRL0 0x820 +#define BCMA_CORE_PCI_MDIO_SERDESID 0x831 +#define BCMA_CORE_PCI_MDIO_RXCTRL0 0x840 + /* PCIE Root Capability Register bits (Host mode only) */ #define BCMA_CORE_PCI_RC_CRS_VISIBILITY 0x0001 struct bcma_drv_pci; +struct bcma_bus; #ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE struct bcma_drv_pci_host { @@ -217,7 +240,9 @@ struct bcma_drv_pci { extern void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc); extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable); -extern void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend); +extern void bcma_core_pci_up(struct bcma_bus *bus); +extern void bcma_core_pci_down(struct bcma_bus *bus); +extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up); extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); --- a/include/linux/bcma/bcma_regs.h +++ b/include/linux/bcma/bcma_regs.h @@ -11,11 +11,13 @@ #define BCMA_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */ #define BCMA_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */ #define BCMA_CLKCTLST_EXTRESREQ 0x00000700 /* Mask of external resource requests */ +#define BCMA_CLKCTLST_EXTRESREQ_SHIFT 8 #define BCMA_CLKCTLST_HAVEALP 0x00010000 /* ALP available */ #define BCMA_CLKCTLST_HAVEHT 0x00020000 /* HT available */ #define BCMA_CLKCTLST_BP_ON_ALP 0x00040000 /* RO: running on ALP clock */ #define BCMA_CLKCTLST_BP_ON_HT 0x00080000 /* RO: running on HT clock */ #define BCMA_CLKCTLST_EXTRESST 0x07000000 /* Mask of external resource status */ +#define BCMA_CLKCTLST_EXTRESST_SHIFT 24 /* Is there any BCM4328 on BCMA bus? */ #define BCMA_CLKCTLST_4328A0_HAVEHT 0x00010000 /* 4328a0 has reversed bits */ #define BCMA_CLKCTLST_4328A0_HAVEALP 0x00020000 /* 4328a0 has reversed bits */ @@ -35,6 +37,7 @@ #define BCMA_IOST_BIST_DONE 0x8000 #define BCMA_RESET_CTL 0x0800 #define BCMA_RESET_CTL_RESET 0x0001 +#define BCMA_RESET_ST 0x0804 /* BCMA PCI config space registers. */ #define BCMA_PCI_PMCSR 0x44 @@ -83,4 +86,9 @@ * (2 ZettaBytes), high 32 bits */ +#define BCMA_SOC_FLASH1 0x1fc00000 /* MIPS Flash Region 1 */ +#define BCMA_SOC_FLASH1_SZ 0x00400000 /* MIPS Size of Flash Region 1 */ +#define BCMA_SOC_FLASH2 0x1c000000 /* Flash Region 2 (region 1 shadowed here) */ +#define BCMA_SOC_FLASH2_SZ 0x02000000 /* Size of Flash Region 2 */ + #endif /* LINUX_BCMA_REGS_H_ */ --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4622,7 +4622,7 @@ static int b43_wireless_core_init(struct switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA case B43_BUS_BCMA: - bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci, + bcma_core_pci_irq_ctl(&dev->dev->bdev->bus->drv_pci[0], dev->dev->bdev, true); break; #endif --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c @@ -688,27 +688,6 @@ bool ai_clkctl_cc(struct si_pub *sih, en return mode == BCMA_CLKMODE_FAST; } -void ai_pci_up(struct si_pub *sih) -{ - struct si_info *sii; - - sii = container_of(sih, struct si_info, pub); - - if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) - bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, true); -} - -/* Unconfigure and/or apply various WARs when going down */ -void ai_pci_down(struct si_pub *sih) -{ - struct si_info *sii; - - sii = container_of(sih, struct si_info, pub); - - if (sii->icbus->hosttype == BCMA_HOSTTYPE_PCI) - bcma_core_pci_extend_L1timer(&sii->icbus->drv_pci, false); -} - /* Enable BT-COEX & Ex-PA for 4313 */ void ai_epa_4313war(struct si_pub *sih) { --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -4689,7 +4689,7 @@ static int brcms_b_attach(struct brcms_c brcms_c_coredisable(wlc_hw); /* Match driver "down" state */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); /* turn off pll and xtal to match driver "down" state */ brcms_b_xtal(wlc_hw, OFF); @@ -5077,7 +5077,7 @@ static int brcms_b_up_prep(struct brcms_ * Configure pci/pcmcia here instead of in brcms_c_attach() * to allow mfg hotswap: down, hotswap (chip power cycle), up. */ - bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci, wlc_hw->d11core, + bcma_core_pci_irq_ctl(&wlc_hw->d11core->bus->drv_pci[0], wlc_hw->d11core, true); /* @@ -5087,12 +5087,12 @@ static int brcms_b_up_prep(struct brcms_ */ if (brcms_b_radio_read_hwdisabled(wlc_hw)) { /* put SB PCI in down state again */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); return -ENOMEDIUM; } - ai_pci_up(wlc_hw->sih); + bcma_core_pci_up(wlc_hw->d11core->bus); /* reset the d11 core */ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS); @@ -5295,7 +5295,7 @@ static int brcms_b_down_finish(struct br /* turn off primary xtal and pll */ if (!wlc_hw->noreset) { - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); } } --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h @@ -183,9 +183,6 @@ extern u16 ai_clkctl_fast_pwrup_delay(st extern bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode); extern bool ai_deviceremoved(struct si_pub *sih); -extern void ai_pci_down(struct si_pub *sih); -extern void ai_pci_up(struct si_pub *sih); - /* Enable Ex-PA for 4313 */ extern void ai_epa_4313war(struct si_pub *sih);