openwrtv4/target/linux/brcm47xx/patches-3.6/400-arch-bcm47xx.patch

--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -198,3 +198,30 @@ int bcm47xx_nvram_getenv(char *name, cha
 	return -ENOENT;
 }
 EXPORT_SYMBOL(bcm47xx_nvram_getenv);
+
+char *nvram_get(const char *name)
+{
+	char *var, *value, *end, *eq;
+
+	if (!name)
+		return NULL;
+
+	if (!nvram_buf[0])
+		nvram_init();
+
+	/* Look for name=value and return value */
+	var = &nvram_buf[sizeof(struct nvram_header)];
+	end = nvram_buf + sizeof(nvram_buf) - 2;
+	end[0] = end[1] = '\0';
+	for (; *var; var = value + strlen(value) + 1) {
+		eq = strchr(var, '=');
+		if (!eq)
+			break;
+		value = eq + 1;
+		if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
+			return value;
+	}
+
+	return NULL;
+}
+EXPORT_SYMBOL(nvram_get);
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -4,4 +4,5 @@
 #
 
 obj-y 				+= irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
+obj-y 				+= gpio.o
 obj-$(CONFIG_BCM47XX_SSB)	+= wgt634u.o
--- /dev/null
+++ b/arch/mips/bcm47xx/gpio.c
@@ -0,0 +1,119 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
+ * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Parts of this file are based on Atheros AR71XX/AR724X/AR913X GPIO
+ */
+
+#include <linux/export.h>
+#include <linux/gpio.h>
+#include <linux/ssb/ssb_embedded.h>
+#include <linux/bcma/bcma.h>
+
+#include <bcm47xx.h>
+
+/* low level BCM47xx gpio api */
+u32 bcm47xx_gpio_in(u32 mask)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_in(&bcm47xx_bus.ssb, mask);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, mask);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_in);
+
+u32 bcm47xx_gpio_out(u32 mask, u32 value)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_out(&bcm47xx_bus.ssb, mask, value);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask,
+					    value);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_out);
+
+u32 bcm47xx_gpio_outen(u32 mask, u32 value)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_outen(&bcm47xx_bus.ssb, mask, value);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc,
+					      mask, value);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_outen);
+
+u32 bcm47xx_gpio_control(u32 mask, u32 value)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_control(&bcm47xx_bus.ssb, mask, value);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_control(&bcm47xx_bus.bcma.bus.drv_cc,
+						mask, value);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_control);
+
+u32 bcm47xx_gpio_intmask(u32 mask, u32 value)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_intmask(&bcm47xx_bus.ssb, mask, value);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
+						mask, value);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_intmask);
+
+u32 bcm47xx_gpio_polarity(u32 mask, u32 value)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return ssb_gpio_polarity(&bcm47xx_bus.ssb, mask, value);
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc,
+						 mask, value);
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(bcm47xx_gpio_polarity);
--- a/arch/mips/include/asm/mach-bcm47xx/gpio.h
+++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h
@@ -14,4 +14,11 @@ static inline int irq_to_gpio(unsigned i
 	return -EINVAL;
 }
 
+u32 bcm47xx_gpio_in(u32 mask);
+u32 bcm47xx_gpio_out(u32 mask, u32 value);
+u32 bcm47xx_gpio_outen(u32 mask, u32 value);
+u32 bcm47xx_gpio_control(u32 mask, u32 value);
+u32 bcm47xx_gpio_intmask(u32 mask, u32 value);
+u32 bcm47xx_gpio_polarity(u32 mask, u32 value);
+
 #endif