1 files changed, 136 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch b/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch
new file mode 100644
index 000000000..5fc568fc0
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch
@@ -0,0 +1,136 @@
+--- 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);