diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.3/028-bcm47xx-register-flash-drivers.patch | 136 |
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 0000000000..5fc568fc04 --- /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); |