freifunkist-firmware/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch

--- a/arch/mips/bcm47xx/Kconfig
+++ b/arch/mips/bcm47xx/Kconfig
@@ -9,6 +9,7 @@ config BCM47XX_SSB
 	select SSB_EMBEDDED
 	select SSB_B43_PCI_BRIDGE if PCI
 	select SSB_PCICORE_HOSTMODE if PCI
+	select SSB_SFLASH
 	default y
 	help
 	 Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
@@ -22,6 +23,7 @@ config BCM47XX_BCMA
 	select BCMA_HOST_SOC
 	select BCMA_DRIVER_MIPS
 	select BCMA_DRIVER_PCI_HOSTMODE if PCI
+	select BCMA_SFLASH
 	default y
 	help
 	 Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -31,10 +31,12 @@
 #include <linux/ssb/ssb.h>
 #include <linux/ssb/ssb_embedded.h>
 #include <linux/bcma/bcma_soc.h>
+#include <linux/platform_device.h>
 #include <asm/bootinfo.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <bcm47xx.h>
+#include <bus.h>
 #include <asm/mach-bcm47xx/nvram.h>
 
 union bcm47xx_bus bcm47xx_bus;
@@ -45,6 +47,32 @@ EXPORT_SYMBOL(bcm47xx_bus_type);
 
 struct bcm47xx_sflash bcm47xx_sflash;
 
+static struct resource bcm47xx_pflash_resource = {
+	.name	= "bcm47xx_pflash",
+	.start	= 0,
+	.end	= 0,
+	.flags  = 0,
+};
+
+static struct platform_device bcm47xx_pflash_dev = {
+	.name		= "bcm47xx_pflash",
+	.resource	= &bcm47xx_pflash_resource,
+	.num_resources	= 1,
+};
+
+static struct resource bcm47xx_sflash_resource = {
+	.name	= "bcm47xx_sflash",
+	.start	= 0,
+	.end	= 0,
+	.flags  = 0,
+};
+
+static struct platform_device bcm47xx_sflash_dev = {
+	.name		= "bcm47xx_sflash",
+	.resource	= &bcm47xx_sflash_resource,
+	.num_resources	= 1,
+};
+
 static void bcm47xx_machine_restart(char *command)
 {
 	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
@@ -310,6 +338,24 @@ static void __init bcm47xx_register_ssb(
 		}
 	}
 }
+
+static int __init bcm47xx_register_flash_ssb(void)
+{
+	struct ssb_chipcommon *chipco = &bcm47xx_bus.ssb.chipco;
+
+	switch (chipco->flash_type) {
+	case SSB_PFLASH:
+		bcm47xx_pflash_resource.start = chipco->pflash.window;
+		bcm47xx_pflash_resource.end = chipco->pflash.window + chipco->pflash.window_size;
+		return platform_device_register(&bcm47xx_pflash_dev);
+	case SSB_SFLASH:
+		bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+		return platform_device_register(&bcm47xx_sflash_dev);
+	default:
+		printk(KERN_ERR "No flash device found\n");
+		return -1;
+	}
+}
 #endif
 
 #ifdef CONFIG_BCM47XX_BCMA
@@ -324,6 +370,24 @@ static void __init bcm47xx_register_bcma
 	if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH)
 		bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc);
 }
+
+static int __init bcm47xx_register_flash_bcma(void)
+{
+	struct bcma_drv_cc *drv_cc = &bcm47xx_bus.bcma.bus.drv_cc;
+
+	switch (drv_cc->flash_type) {
+	case BCMA_PFLASH:
+		bcm47xx_pflash_resource.start = drv_cc->pflash.window;
+		bcm47xx_pflash_resource.end = drv_cc->pflash.window + drv_cc->pflash.window_size;
+		return platform_device_register(&bcm47xx_pflash_dev);
+	case BCMA_SFLASH:
+		bcm47xx_sflash_dev.dev.platform_data = &bcm47xx_sflash;
+		return platform_device_register(&bcm47xx_sflash_dev);
+	default:
+		printk(KERN_ERR "No flash device found\n");
+		return -1;
+	}
+}
 #endif
 
 void __init plat_mem_setup(void)
@@ -366,3 +430,19 @@ static int __init bcm47xx_register_bus_c
 	return 0;
 }
 device_initcall(bcm47xx_register_bus_complete);
+
+static int __init bcm47xx_register_flash(void)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		return bcm47xx_register_flash_ssb();
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcm47xx_register_flash_bcma();
+#endif
+	}
+	return -1;
+}
+fs_initcall(bcm47xx_register_flash);