diff options
Diffstat (limited to 'target/linux/sibyte/patches-3.3/101-rhone_physmap.patch')
| -rw-r--r-- | target/linux/sibyte/patches-3.3/101-rhone_physmap.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch b/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch new file mode 100644 index 0000000000..fb917379ec --- /dev/null +++ b/target/linux/sibyte/patches-3.3/101-rhone_physmap.patch @@ -0,0 +1,82 @@ +--- a/arch/mips/sibyte/swarm/platform.c ++++ b/arch/mips/sibyte/swarm/platform.c +@@ -5,6 +5,7 @@ + #include <linux/platform_device.h> + #include <linux/ata_platform.h> + ++#include <asm/addrspace.h> + #include <asm/sibyte/board.h> + #include <asm/sibyte/sb1250_genbus.h> + #include <asm/sibyte/sb1250_regs.h> +@@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi + return ret; + } + device_initcall(sb1250_device_init); ++ ++#ifdef CONFIG_SIBYTE_RHONE ++ ++#include <linux/mtd/partitions.h> ++#include <linux/mtd/physmap.h> ++ ++/* The board has 16MB flash but CFE sets up only 2MB */ ++#define PHYS_TO_K1(a) CKSEG1ADDR(a) ++#define BOOTROM_SIZE 0x100 ++ ++static void fixup_cs0_size(void) ++{ ++ SBWRITECSR(((A_IO_EXT_CS_BASE(0)) + R_IO_EXT_MULT_SIZE), BOOTROM_SIZE); ++} ++ ++static struct mtd_partition flash_parts[] = { ++ { ++ .name = "cfe", ++ .offset = 0x00000000, ++ .size = 0x00200000, ++ .mask_flags = MTD_WRITEABLE, ++ }, ++ { ++ .name = "os", ++ .offset = 0x00200000, ++ .size = 0x00d00000, ++ }, ++ { ++ .name = "environment", ++ .offset = 0x00f00000, ++ .size = 0x00100000, ++ .mask_flags = MTD_WRITEABLE, ++ }, ++}; ++ ++static struct physmap_flash_data flash_data = { ++ .width = 1, ++ .nr_parts = ARRAY_SIZE(flash_parts), ++ .parts = flash_parts, ++}; ++ ++static struct resource flash_resource = { ++ .start = 0x1fc00000, ++ .end = 0x20bfffff, ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device flash_device = { ++ .name = "physmap-flash", ++ .id = 0, ++ .resource = &flash_resource, ++ .num_resources = 1, ++ .dev = { ++ .platform_data = &flash_data, ++ }, ++}; ++ ++static int __init flash_setup(void) ++{ ++ fixup_cs0_size(); ++ platform_device_register(&flash_device); ++ ++ return 0; ++}; ++ ++device_initcall(flash_setup); ++ ++#endif /* CONFIG_SIBYTE_RHONE */ |