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

…/git/linville/wireless-next

arch/mips/Kconfig

@@ -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

@@ -0,0 +1,31 @@
+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

@@ -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

@@ -20,42 +20,82 @@ 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) &&
-	    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
-		return -EINVAL;
+	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) &&
-	    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
-		return -EINVAL;
+		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+			return -EINVAL;
 
-	if (test_and_set_bit(gpio, gpio_in_use))
-		return -EBUSY;
+		if (test_and_set_bit(gpio, gpio_in_use))
+			return -EBUSY;
 
-	return 0;
+		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) &&
-	    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
-		return;
+	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(&bcm47xx_bus.ssb.extif) &&
+		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+			return;
 
-	if (ssb_extif_available(&ssb_bcm47xx.extif) &&
-	    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+		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);
+		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;
-	else
-		return -EINVAL;
+	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

@@ -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();
 }

arch/mips/bcm47xx/nvram.c

@@ -26,14 +26,35 @@ static char nvram_buf[NVRAM_SPACE];
 /* Probe for NVRAM header */
 static void early_nvram_init(void)
 {
-	struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
+#ifdef CONFIG_BCM47XX_SSB
+	struct ssb_mipscore *mcore_ssb;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	struct bcma_drv_cc *bcma_cc;
+#endif
 	struct nvram_header *header;
 	int i;
-	u32 base, lim, off;
+	u32 base = 0;
+	u32 lim = 0;
+	u32 off;
 	u32 *src, *dst;
 
-	base = mcore->flash_window;
-	lim = mcore->flash_window_size;
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		mcore_ssb = &bcm47xx_bus.ssb.mipscore;
+		base = mcore_ssb->flash_window;
+		lim = mcore_ssb->flash_window_size;
+		break;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		bcma_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+		base = bcma_cc->pflash.window;
+		lim = bcma_cc->pflash.window_size;
+		break;
+#endif
+	}
 
 	off = FLASH_MIN;
 	while (off <= lim) {

arch/mips/bcm47xx/serial.c

@@ -23,10 +23,11 @@ static struct platform_device uart8250_device = {
 	},
 };
 
-static int __init uart8250_init(void)
+#ifdef CONFIG_BCM47XX_SSB
+static int __init uart8250_init_ssb(void)
 {
 	int i;
-	struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore);
+	struct ssb_mipscore *mcore = &(bcm47xx_bus.ssb.mipscore);
 
 	memset(&uart8250_data, 0,  sizeof(uart8250_data));
 
@@ -44,6 +45,47 @@ static int __init uart8250_init(void)
 	}
 	return platform_device_register(&uart8250_device);
 }
+#endif
+
+#ifdef CONFIG_BCM47XX_BCMA
+static int __init uart8250_init_bcma(void)
+{
+	int i;
+	struct bcma_drv_cc *cc = &(bcm47xx_bus.bcma.bus.drv_cc);
+
+	memset(&uart8250_data, 0,  sizeof(uart8250_data));
+
+	for (i = 0; i < cc->nr_serial_ports; i++) {
+		struct plat_serial8250_port *p = &(uart8250_data[i]);
+		struct bcma_serial_port *bcma_port;
+		bcma_port = &(cc->serial_ports[i]);
+
+		p->mapbase = (unsigned int) bcma_port->regs;
+		p->membase = (void *) bcma_port->regs;
+		p->irq = bcma_port->irq + 2;
+		p->uartclk = bcma_port->baud_base;
+		p->regshift = bcma_port->reg_shift;
+		p->iotype = UPIO_MEM;
+		p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
+	}
+	return platform_device_register(&uart8250_device);
+}
+#endif
+
+static int __init uart8250_init(void)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return uart8250_init_ssb();
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return uart8250_init_bcma();
+#endif
+	}
+	return -EINVAL;
+}
 
 module_init(uart8250_init);