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Commit 7ae9ed8d authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next

parents 0dfe1782 b38d355e

arch/mips/Kconfig

+1 −7
Original line number Diff line number Diff line
@@ -91,15 +91,8 @@ config BCM47XX 
	select DMA_NONCOHERENT

	select HW_HAS_PCI

	select IRQ_CPU

	select SYS_HAS_CPU_MIPS32_R1

	select SYS_SUPPORTS_32BIT_KERNEL

	select SYS_SUPPORTS_LITTLE_ENDIAN

	select SSB

	select SSB_DRIVER_MIPS

	select SSB_DRIVER_EXTIF

	select SSB_EMBEDDED

	select SSB_B43_PCI_BRIDGE if PCI

	select SSB_PCICORE_HOSTMODE if PCI

	select GENERIC_GPIO

	select SYS_HAS_EARLY_PRINTK

	select CFE
@@ -788,6 +781,7 @@ endchoice 


source "arch/mips/alchemy/Kconfig"

source "arch/mips/ath79/Kconfig"

source "arch/mips/bcm47xx/Kconfig"

source "arch/mips/bcm63xx/Kconfig"

source "arch/mips/jazz/Kconfig"

source "arch/mips/jz4740/Kconfig"

arch/mips/bcm47xx/Kconfig

0 → 100644
+31 −0
Original line number Diff line number Diff line 
if BCM47XX



config BCM47XX_SSB

	bool "SSB Support for Broadcom BCM47XX"

	select SYS_HAS_CPU_MIPS32_R1

	select SSB

	select SSB_DRIVER_MIPS

	select SSB_DRIVER_EXTIF

	select SSB_EMBEDDED

	select SSB_B43_PCI_BRIDGE if PCI

	select SSB_PCICORE_HOSTMODE if PCI

	default y

	help

	 Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.



	 This will generate an image with support for SSB and MIPS32 R1 instruction set.



config BCM47XX_BCMA

	bool "BCMA Support for Broadcom BCM47XX"

	select SYS_HAS_CPU_MIPS32_R2

	select BCMA

	select BCMA_HOST_SOC

	select BCMA_DRIVER_MIPS

	select BCMA_DRIVER_PCI_HOSTMODE if PCI

	default y

	help

	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.



	 This will generate an image with support for BCMA and MIPS32 R2 instruction set.



endif

arch/mips/bcm47xx/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -3,4 +3,5 @@ 
# under Linux.

#



obj-y := gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o
 
obj-y 				+= gpio.o irq.o nvram.o prom.o serial.o setup.o time.o

obj-$(CONFIG_BCM47XX_SSB)	+= wgt634u.o

arch/mips/bcm47xx/gpio.c

+61 −21
Original line number Diff line number Diff line
@@ -20,11 +20,14 @@ static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); 


int gpio_request(unsigned gpio, const char *tag)

{

	if (ssb_chipco_available(&ssb_bcm47xx.chipco) &&

	switch (bcm47xx_bus_type) {

#ifdef CONFIG_BCM47XX_SSB

	case BCM47XX_BUS_TYPE_SSB:

		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&

		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))

			return -EINVAL;



	if (ssb_extif_available(&ssb_bcm47xx.extif) &&

		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&

		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))

			return -EINVAL;
@@ -32,30 +35,67 @@ int gpio_request(unsigned gpio, const char *tag) 
			return -EBUSY;



		return 0;

#endif

#ifdef CONFIG_BCM47XX_BCMA

	case BCM47XX_BUS_TYPE_BCMA:

		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)

			return -EINVAL;



		if (test_and_set_bit(gpio, gpio_in_use))

			return -EBUSY;



		return 0;

#endif

	}

	return -EINVAL;

}

EXPORT_SYMBOL(gpio_request);



void gpio_free(unsigned gpio)

{

	if (ssb_chipco_available(&ssb_bcm47xx.chipco) &&

	switch (bcm47xx_bus_type) {

#ifdef CONFIG_BCM47XX_SSB

	case BCM47XX_BUS_TYPE_SSB:

		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&

		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))

			return;



	if (ssb_extif_available(&ssb_bcm47xx.extif) &&

		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&

		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))

			return;



		clear_bit(gpio, gpio_in_use);

		return;

#endif

#ifdef CONFIG_BCM47XX_BCMA

	case BCM47XX_BUS_TYPE_BCMA:

		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)

			return;



		clear_bit(gpio, gpio_in_use);

		return;

#endif

	}

}

EXPORT_SYMBOL(gpio_free);



int gpio_to_irq(unsigned gpio)

{

	if (ssb_chipco_available(&ssb_bcm47xx.chipco))

		return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2;

	else if (ssb_extif_available(&ssb_bcm47xx.extif))

		return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2;

	switch (bcm47xx_bus_type) {

#ifdef CONFIG_BCM47XX_SSB

	case BCM47XX_BUS_TYPE_SSB:

		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco))

			return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2;

		else if (ssb_extif_available(&bcm47xx_bus.ssb.extif))

			return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2;

		else

			return -EINVAL;

#endif

#ifdef CONFIG_BCM47XX_BCMA

	case BCM47XX_BUS_TYPE_BCMA:

		return bcma_core_mips_irq(bcm47xx_bus.bcma.bus.drv_cc.core) + 2;

#endif

	}

	return -EINVAL;

}

EXPORT_SYMBOL_GPL(gpio_to_irq);

arch/mips/bcm47xx/irq.c

+12 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#include <linux/interrupt.h>

#include <linux/irq.h>

#include <asm/irq_cpu.h>

#include <bcm47xx.h>



void plat_irq_dispatch(void)

{
@@ -51,5 +52,16 @@ void plat_irq_dispatch(void) 


void __init arch_init_irq(void)

{

#ifdef CONFIG_BCM47XX_BCMA

	if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {

		bcma_write32(bcm47xx_bus.bcma.bus.drv_mips.core,

			     BCMA_MIPS_MIPS74K_INTMASK(5), 1 << 31);

		/*

		 * the kernel reads the timer irq from some register and thinks

		 * it's #5, but we offset it by 2 and route to #7

		 */

		cp0_compare_irq = 7;

	}

#endif

	mips_cpu_irq_init();

}