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author | Florian Fainelli <florian@openwrt.org> | 2006-10-15 23:34:22 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2006-10-15 23:34:22 +0000 |
commit | 44419aed87f1c2ea1024535edabc1c3a250b6fc8 (patch) | |
tree | 777ec7969e32815eb729a942b76a86ba88a36db2 /target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch | |
parent | 875927a153f1ea538280afc0ce04e75c91683f5e (diff) | |
download | mtk-20170518-44419aed87f1c2ea1024535edabc1c3a250b6fc8.zip mtk-20170518-44419aed87f1c2ea1024535edabc1c3a250b6fc8.tar.gz mtk-20170518-44419aed87f1c2ea1024535edabc1c3a250b6fc8.tar.bz2 |
Merge preliminary rdc-2.6 support (Airlink101 AR525W)
SVN-Revision: 5138
Diffstat (limited to 'target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch')
-rw-r--r-- | target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch b/target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch new file mode 100644 index 0000000..a3d2ac6 --- /dev/null +++ b/target/linux/rdc-2.6/patches/001-rdc3210_flash_map.patch @@ -0,0 +1,271 @@ +diff -urN linux-2.6.17/drivers/mtd/maps/imghdr.h linux-2.6.17.new/drivers/mtd/maps/imghdr.h +--- linux-2.6.17/drivers/mtd/maps/imghdr.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.17.new/drivers/mtd/maps/imghdr.h 2006-09-24 20:29:20.000000000 +0200 +@@ -0,0 +1,25 @@ ++#ifndef GT_IMGHDR_H ++#define GT_IMGHDR_H ++ ++#define GTIMG_MAGIC "GMTK" ++ ++/* Product ID */ ++#define PID_RTL_AIRGO 1 ++#define PID_RTL_RALINK 2 ++#define PID_RDC_AIRGO 3 ++#define PID_RDC_RALINK 5 /* White Lable */ ++ ++/* Gemtek */ ++typedef struct ++{ ++ UINT8 magic[4]; /* ASICII: GMTK */ ++ UINT32 checksum; /* CRC32 */ ++ UINT32 version; /* x.x.x.x */ ++ UINT32 kernelsz; /* The size of the kernel image */ ++ UINT32 imagesz; /* The length of this image file ( kernel + romfs + this header) */ ++ UINT32 pid; /* Product ID */ ++ UINT32 fastcksum; /* Partial CRC32 on (First(256), medium(256), last(512)) */ ++ UINT32 reserved; ++}gt_imghdr_t; ++ ++#endif +diff -urN linux-2.6.17/drivers/mtd/maps/Kconfig linux-2.6.17.new/drivers/mtd/maps/Kconfig +--- linux-2.6.17/drivers/mtd/maps/Kconfig 2006-06-18 03:49:35.000000000 +0200 ++++ linux-2.6.17.new/drivers/mtd/maps/Kconfig 2006-09-24 20:28:11.000000000 +0200 +@@ -76,6 +76,12 @@ + PNC-2000 is the name of Network Camera product from PHOTRON + Ltd. in Japan. It uses CFI-compliant flash. + ++config MTD_RDC3210 ++ tristate "CFI Flash devcie mapped on RDC3210" ++ depends on X86 && MTD_CFI && MTD_PARTITIONS ++ help ++ RDC-3210 is the flash device we find on Ralink reference board ++ + config MTD_SC520CDP + tristate "CFI Flash device mapped on AMD SC520 CDP" + depends on X86 && MTD_CFI +diff -urN linux-2.6.17/drivers/mtd/maps/Makefile linux-2.6.17.new/drivers/mtd/maps/Makefile +--- linux-2.6.17/drivers/mtd/maps/Makefile 2006-06-18 03:49:35.000000000 +0200 ++++ linux-2.6.17.new/drivers/mtd/maps/Makefile 2006-09-24 20:26:10.000000000 +0200 +@@ -28,6 +28,7 @@ + obj-$(CONFIG_MTD_PHYSMAP) += physmap.o + obj-$(CONFIG_MTD_PNC2000) += pnc2000.o + obj-$(CONFIG_MTD_PCMCIA) += pcmciamtd.o ++obj-$(CONFIG_MTD_RDC3210) += rdc3210.o + obj-$(CONFIG_MTD_RPXLITE) += rpxlite.o + obj-$(CONFIG_MTD_TQM8XXL) += tqm8xxl.o + obj-$(CONFIG_MTD_SA1100) += sa1100-flash.o +diff -urN linux-2.6.17/drivers/mtd/maps/rdc3210.c linux-2.6.17.new/drivers/mtd/maps/rdc3210.c +--- linux-2.6.17/drivers/mtd/maps/rdc3210.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.17.new/drivers/mtd/maps/rdc3210.c 2006-09-24 22:55:20.000000000 +0200 +@@ -0,0 +1,211 @@ ++/******************************************************************* ++ * Simple Flash mapping for RDC3210 * ++ * * ++ * 2005.03.23 * ++ * Dante Su (dante_su@gemtek.com.tw) * ++ * Copyright (C) 2005 Gemtek Corporation * ++ *******************************************************************/ ++ ++#include <linux/module.h> ++#include <linux/slab.h> ++#include <linux/types.h> ++#include <linux/kernel.h> ++#include <asm/io.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/map.h> ++#include <linux/mtd/partitions.h> ++#include <linux/config.h> ++ ++#define WINDOW_ADDR 0xFFC00000 ++#define WINDOW_SIZE 0x00400000 ++ ++#define BUSWIDTH 2 ++ ++static struct mtd_info *rdc3210_mtd_info; ++ ++__u8 rdc3210_map_read8(struct map_info *map, unsigned long ofs) ++{ ++ return *(__u8 *)(map->map_priv_1 + ofs); ++} ++ ++__u16 rdc3210_map_read16(struct map_info *map, unsigned long ofs) ++{ ++ return *(__u16 *)(map->map_priv_1 + ofs); ++} ++ ++__u32 rdc3210_map_read32(struct map_info *map, unsigned long ofs) ++{ ++ return *(__u32 *)(map->map_priv_1 + ofs); ++} ++ ++void rdc3210_map_write8(struct map_info *map, __u8 d, unsigned long adr) ++{ ++ *(__u8 *)(map->map_priv_1 + adr) = d; ++} ++ ++void rdc3210_map_write16(struct map_info *map, __u16 d, unsigned long adr) ++{ ++ *(__u16 *)(map->map_priv_1 + adr) = d; ++} ++ ++void rdc3210_map_write32(struct map_info *map, __u32 d, unsigned long adr) ++{ ++ *(__u32 *)(map->map_priv_1 + adr) = d; ++} ++ ++void rdc3210_map_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) ++{ ++ int i; ++ u16 *dst = (u16 *)(to); ++ u16 *src = (u16 *)(map->map_priv_1 + from); ++ ++ for(i = 0; i < (len / 2); ++i) ++ dst[i] = src[i]; ++ ++ if(len & 1) ++ { ++ printk("# WARNNING!!! rdc3210_map_copy_from has odd length\n"); ++ //dst[len - 1] = B0(src[i]); ++ } ++} ++ ++void rdc3210_map_copy_to(struct map_info *map, void *to, unsigned long from, ssize_t len) ++{ ++ int i; ++ u16 *dst = (u16 *)(map->map_priv_1 + to); ++ u16 *src = (u16 *)(from); ++ ++ for(i = 0; i < (len / 2); ++i) ++ dst[i] = src[i]; ++ ++ if(len & 1) ++ { ++ printk("# WARNNING!!! rdc3210_map_copy_from has odd length\n"); ++ //dst[len - 1] = B0(src[i]); ++ } ++} ++ ++static struct map_info rdc3210_map = ++{ ++ .name = "RDC3210 Flash", ++ .size = WINDOW_SIZE, ++ .bankwidth = BUSWIDTH, ++ .phys = WINDOW_ADDR, ++}; ++ ++/* Dante: This is the default static mapping, however this is nothing but a hint. (Say dynamic mapping) */ ++static struct mtd_partition rdc3210_parts[] = ++{ ++ { .name = "linux", .offset = 0, .size = 0x003C0000 }, /* 3840 KB = (Kernel + ROMFS) = (768 KB + 3072 KB) */ ++ { .name = "romfs", .offset = 0x000C0000, .size = 0x00300000 }, /* 3072 KB */ ++ { .name = "nvram", .offset = 0x003C0000, .size = 0x00010000 }, /* 64 KB */ ++ { .name = "factory", .offset = 0x003D0000, .size = 0x00010000 }, /* 64 KB */ ++ { .name = "bootldr", .offset = 0x003E0000, .size = 0x00020000 }, /* 128 KB */ ++}; ++ ++static int __init rdc3210_mtd_init(void) ++{ ++ printk(KERN_NOTICE "flash device: 0x%x at 0x%x\n", WINDOW_SIZE, WINDOW_ADDR); ++ ++ rdc3210_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); ++ ++ if (!rdc3210_map.virt) ++ { ++ printk("Failed to ioremap\n"); ++ return -EIO; ++ } ++ ++ simple_map_init(&rdc3210_map); ++ ++ rdc3210_mtd_info = do_map_probe("cfi_probe", &rdc3210_map); ++ /* Dante: This is for fixed map */ ++ if (rdc3210_mtd_info) ++ { ++ rdc3210_mtd_info->owner = THIS_MODULE; ++ add_mtd_partitions(rdc3210_mtd_info, rdc3210_parts, sizeof(rdc3210_parts)/sizeof(rdc3210_parts[0])); ++ return 0; ++ } ++ /* Dante: This is for dynamic mapping */ ++#if 0 ++ if (rdc3210_mtd_info) ++ { // Dante ++ unsigned int tmp; ++ gt_imghdr_t *hdr; ++ ++ hdr = (gt_imghdr_t *)(rdc3210_map.virt); ++ ++ if(memcmp(hdr->magic, GTIMG_MAGIC, 4)) ++ { ++ printk("Invalid MAGIC for Firmware Image!!!\n"); ++ return -EIO; ++ } ++ ++ /* 1. Adjust Redboot */ ++ tmp = flashdrv_get_size() - rdc3210_parts[4].size; ++ rdc3210_parts[4].offset = flashdrv_get_sector_addr(flashdrv_get_sector(tmp)); ++ rdc3210_parts[4].size = flashdrv_get_size() - rdc3210_parts[4].offset; ++ ++ /* 2. Adjust NVRAM */ ++ tmp -= rdc3210_parts[3].size; ++ rdc3210_parts[3].offset = flashdrv_get_sector_addr(flashdrv_get_sector(tmp)); ++ rdc3210_parts[3].size = rdc3210_parts[4].offset - rdc3210_parts[3].offset; ++ ++ /* 3. Adjust Factory Default */ ++ tmp -= rdc3210_parts[2].size; ++ rdc3210_parts[2].offset = flashdrv_get_sector_addr(flashdrv_get_sector(tmp)); ++ rdc3210_parts[2].size = rdc3210_parts[3].offset - rdc3210_parts[2].offset; ++ ++ /* 4. Adjust Linux (Kernel + ROMFS) */ ++ rdc3210_parts[0].size = rdc3210_parts[2].offset - rdc3210_parts[0].offset; ++ ++ /* 5. Adjust ROMFS */ ++ tmp = hdr->kernelsz + sizeof(gt_imghdr_t); ++ rdc3210_parts[1].offset = rdc3210_parts[0].offset + (((tmp / 32) + ((tmp % 32) ? 1 : 0)) * 32); ++ rdc3210_parts[1].size = rdc3210_parts[2].offset - rdc3210_parts[1].offset; ++ ++ /* 1. Adjust Redboot */ ++ tmp = flashdrv_get_size() - rdc3210_parts[3].size; ++ rdc3210_parts[3].offset = flashdrv_get_sector_addr(flashdrv_get_sector(tmp)); ++ rdc3210_parts[3].size = flashdrv_get_size() - rdc3210_parts[3].offset; ++ ++ /* 2. Adjust NVRAM */ ++ tmp -= rdc3210_parts[2].size; ++ rdc3210_parts[2].offset = flashdrv_get_sector_addr(flashdrv_get_sector(tmp)); ++ rdc3210_parts[2].size = rdc3210_parts[3].offset - rdc3210_parts[2].offset; ++ ++ /* 4. Adjust Linux (Kernel + ROMFS) */ ++ rdc3210_parts[0].size = rdc3210_parts[2].offset - rdc3210_parts[0].offset; ++ ++ /* 5. Adjust ROMFS */ ++ tmp = hdr->kernelsz + sizeof(gt_imghdr_t); ++ rdc3210_parts[1].offset = rdc3210_parts[0].offset + (((tmp / 32) + ((tmp % 32) ? 1 : 0)) * 32); ++ rdc3210_parts[1].size = rdc3210_parts[2].offset - rdc3210_parts[1].offset; ++ ++ rdc3210_mtd_info->owner = THIS_MODULE; ++ add_mtd_partitions(rdc3210_mtd_info, rdc3210_parts, sizeof(rdc3210_parts)/sizeof(rdc3210_parts[0])); ++ return 0; ++ } ++#endif ++ iounmap((void *)rdc3210_map.virt); ++ return -ENXIO; ++} ++ ++static void __exit rdc3210_mtd_exit(void) ++{ ++ if (rdc3210_mtd_info) ++ { ++ del_mtd_partitions(rdc3210_mtd_info); ++ map_destroy(rdc3210_mtd_info); ++ } ++ ++ if (rdc3210_map.virt) ++ { ++ iounmap(rdc3210_map.virt); ++ rdc3210_map.virt = 0; ++ } ++} ++ ++module_init(rdc3210_mtd_init); ++module_exit(rdc3210_mtd_exit); ++MODULE_LICENSE("GPL"); ++ |