diff options
| -rw-r--r-- | arch/sh/boards/magicpanelr2/setup.c | 88 | ||||
| -rw-r--r-- | arch/sh/configs/magicpanelr2_defconfig | 8 |
2 files changed, 90 insertions, 6 deletions
diff --git a/arch/sh/boards/magicpanelr2/setup.c b/arch/sh/boards/magicpanelr2/setup.c index c593065..f3b8b07 100644 --- a/arch/sh/boards/magicpanelr2/setup.c +++ b/arch/sh/boards/magicpanelr2/setup.c @@ -12,14 +12,19 @@ #include <linux/init.h> #include <linux/irq.h> #include <linux/platform_device.h> -#include <linux/ide.h> -#include <linux/irq.h> #include <linux/delay.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/map.h> #include <asm/magicpanelr2.h> #include <asm/heartbeat.h> #define LAN9115_READY (ctrl_inl(0xA8000084UL) & 0x00000001UL) +/* Prefer cmdline over RedBoot */ +static const char *probes[] = { "cmdlinepart", "RedBoot", NULL }; + /* Wait until reset finished. Timeout is 100ms. */ static int __init ethernet_reset_finished(void) { @@ -270,13 +275,90 @@ static struct platform_device heartbeat_device = { .resource = heartbeat_resources, }; +static struct mtd_partition *parsed_partitions; + +static struct mtd_partition mpr2_partitions[] = { + /* Reserved for bootloader, read-only */ + { + .name = "Bootloader", + .offset = 0x00000000UL, + .size = MPR2_MTD_BOOTLOADER_SIZE, + .mask_flags = MTD_WRITEABLE, + }, + /* Reserved for kernel image */ + { + .name = "Kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = MPR2_MTD_KERNEL_SIZE, + }, + /* Rest is used for Flash FS */ + { + .name = "Flash_FS", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct physmap_flash_data flash_data = { + .width = 2, +}; + +static struct resource flash_resource = { + .start = 0x00000000, + .end = 0x2000000UL, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device flash_device = { + .name = "physmap-flash", + .id = -1, + .resource = &flash_resource, + .num_resources = 1, + .dev = { + .platform_data = &flash_data, + }, +}; + +static struct mtd_info *flash_mtd; + +static struct map_info mpr2_flash_map = { + .name = "Magic Panel R2 Flash", + .size = 0x2000000UL, + .bankwidth = 2, +}; + +static void __init set_mtd_partitions(void) +{ + int nr_parts = 0; + + simple_map_init(&mpr2_flash_map); + flash_mtd = do_map_probe("cfi_probe", &mpr2_flash_map); + nr_parts = parse_mtd_partitions(flash_mtd, probes, + &parsed_partitions, 0); + /* If there is no partition table, used the hard coded table */ + if (nr_parts <= 0) { + flash_data.parts = mpr2_partitions; + flash_data.nr_parts = ARRAY_SIZE(mpr2_partitions); + } else { + flash_data.nr_parts = nr_parts; + flash_data.parts = parsed_partitions; + } +} + +/* + * Add all resources to the platform_device + */ + static struct platform_device *mpr2_devices[] __initdata = { &heartbeat_device, &smc911x_device, + &flash_device, }; + static int __init mpr2_devices_setup(void) { + set_mtd_partitions(); return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices)); } device_initcall(mpr2_devices_setup); @@ -308,5 +390,5 @@ static void __init init_mpr2_IRQ(void) static struct sh_machine_vector mv_mpr2 __initmv = { .mv_name = "mpr2", .mv_setup = mpr2_setup, - .mv_init_irq = init_mpr2_IRQ, + .mv_init_irq = init_mpr2_IRQ, }; diff --git a/arch/sh/configs/magicpanelr2_defconfig b/arch/sh/configs/magicpanelr2_defconfig index ce4e764..f8398a5 100644 --- a/arch/sh/configs/magicpanelr2_defconfig +++ b/arch/sh/configs/magicpanelr2_defconfig @@ -185,7 +185,7 @@ CONFIG_SH_MAGIC_PANEL_R2=y # # Magic Panel R2 options # -CONFIG_SH_MAGIC_PANEL_R2_VERSION=2 +CONFIG_SH_MAGIC_PANEL_R2_VERSION=3 # # Timer and clock configuration @@ -404,9 +404,11 @@ CONFIG_MTD_CFI_UTIL=y # Mapping drivers for chip access # # CONFIG_MTD_COMPLEX_MAPPINGS is not set -# CONFIG_MTD_PHYSMAP is not set +CONFIG_MTD_PHYSMAP=y +CONFIG_MTD_PHYSMAP_START=0x0000000 +CONFIG_MTD_PHYSMAP_LEN=0 +CONFIG_MTD_PHYSMAP_BANKWIDTH=0 # CONFIG_MTD_SOLUTIONENGINE is not set -CONFIG_MTD_MAGICPANELR2=y # CONFIG_MTD_PLATRAM is not set # |
