X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/b8bdd8cd9185a49130de2afec2bd0203bbf6f073..2c9faea8fbac8dc28e1acece40ed9722ccf5d34b:/target/linux/linux-2.4/patches/ar7/001-flash_map.patch diff --git a/target/linux/linux-2.4/patches/ar7/001-flash_map.patch b/target/linux/linux-2.4/patches/ar7/001-flash_map.patch index e88e57afd..df7351580 100644 --- a/target/linux/linux-2.4/patches/ar7/001-flash_map.patch +++ b/target/linux/linux-2.4/patches/ar7/001-flash_map.patch @@ -1,43 +1,7 @@ -diff -urN linux-2.4.30/drivers/mtd/maps/Config.in linux-2.4.30.dev/drivers/mtd/maps/Config.in ---- linux-2.4.30/drivers/mtd/maps/Config.in 2005-06-14 19:31:49.000000000 +0200 -+++ linux-2.4.30.dev/drivers/mtd/maps/Config.in 2005-06-14 15:36:59.000000000 +0200 -@@ -48,6 +48,21 @@ - fi - - if [ "$CONFIG_MIPS" = "y" ]; then -+ if [ "$CONFIG_AR7" = "y" ]; then -+ dep_tristate ' Flash chip mapping on Texas Instruments AR7' CONFIG_MTD_AVALANCHE $CONFIG_MTD_CFI $CONFIG_MTD_PARTITIONS -+ dep_bool ' Use defaults for Texas Instruments AR7' CONFIG_MTD_AVALANCHE_DEFAULTS $CONFIG_MTD_AVALANCHE -+ if [ "$CONFIG_MTD_AVALANCHE" = "y" -o "$CONFIG_MTD_AVALANCHE" = "m" ]; then -+ if [ "$CONFIG_MTD_AVALANCHE_DEFAULTS" = "y" ]; then -+ define_hex CONFIG_MTD_AVALANCHE_START 0x10000000 -+ define_hex CONFIG_MTD_AVALANCHE_LEN 0x400000 -+ define_int CONFIG_MTD_AVALANCHE_BUSWIDTH 2 -+ else -+ hex ' Physical start address of flash mapping' CONFIG_MTD_AVALANCHE_START 0x10000000 -+ hex ' Physical length of flash mapping' CONFIG_MTD_AVALANCHE_LEN 0x400000 -+ int ' Bus width in octets' CONFIG_MTD_AVALANCHE_BUSWIDTH 2 -+ fi -+ fi -+ fi - dep_tristate ' Pb1000 MTD support' CONFIG_MTD_PB1000 $CONFIG_MIPS_PB1000 - dep_tristate ' Pb1500 MTD support' CONFIG_MTD_PB1500 $CONFIG_MIPS_PB1500 - dep_tristate ' Pb1100 MTD support' CONFIG_MTD_PB1100 $CONFIG_MIPS_PB1100 -diff -urN linux-2.4.30/drivers/mtd/maps/Makefile linux-2.4.30.dev/drivers/mtd/maps/Makefile ---- linux-2.4.30/drivers/mtd/maps/Makefile 2005-06-14 19:31:49.000000000 +0200 -+++ linux-2.4.30.dev/drivers/mtd/maps/Makefile 2005-06-14 15:36:59.000000000 +0200 -@@ -10,6 +10,7 @@ - endif - - # Chip mappings -+obj-$(CONFIG_MTD_AVALANCHE) += ar7-flash.o - obj-$(CONFIG_MTD_CDB89712) += cdb89712.o - obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o - obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o -diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd/maps/ar7-flash.c ---- linux-2.4.30/drivers/mtd/maps/ar7-flash.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.4.30.dev/drivers/mtd/maps/ar7-flash.c 2005-06-14 19:38:19.000000000 +0200 -@@ -0,0 +1,218 @@ +diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-flash.c +--- linux.old/drivers/mtd/maps/ar7-flash.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux.dev/drivers/mtd/maps/ar7-flash.c 2005-07-22 04:35:26.624453992 +0200 +@@ -0,0 +1,265 @@ +/* + * $Id$ + * @@ -52,111 +16,106 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd +#include +#include +#include ++#include + -+#define WINDOW_ADDR CONFIG_MTD_AVALANCHE_START -+#define WINDOW_SIZE CONFIG_MTD_AVALANCHE_LEN -+#define BUSWIDTH CONFIG_MTD_AVALANCHE_BUSWIDTH ++#define WINDOW_ADDR CONFIG_MTD_AR7_START ++#define WINDOW_SIZE CONFIG_MTD_AR7_LEN ++#define BUSWIDTH CONFIG_MTD_AR7_BUSWIDTH + +#include +extern char *prom_getenv(char *name); + +static int create_mtd_partitions(void); -+static void __exit avalanche_mtd_cleanup(void); ++static void __exit ar7_mtd_cleanup(void); + -+/* avalanche__partition_info gives details on the logical partitions that splits -+ * the flash device into. If the size if zero we use up to the end of -+ * the device. */ +#define MAX_NUM_PARTITIONS 5 -+static struct mtd_partition avalanche_partition_info[MAX_NUM_PARTITIONS]; -+static int num_of_partitions = 0; -+ -+static struct mtd_info *avalanche_mtd_info; ++static struct mtd_partition ar7_partinfo[MAX_NUM_PARTITIONS]; + -+int avalanche_mtd_ready=0; ++static struct mtd_info *ar7_mtd_info; + -+__u8 avalanche_read8(struct map_info *map, unsigned long ofs) ++__u8 ar7_read8(struct map_info *map, unsigned long ofs) +{ + return __raw_readb(map->map_priv_1 + ofs); +} + -+__u16 avalanche_read16(struct map_info *map, unsigned long ofs) ++__u16 ar7_read16(struct map_info *map, unsigned long ofs) +{ + return __raw_readw(map->map_priv_1 + ofs); +} + -+__u32 avalanche_read32(struct map_info *map, unsigned long ofs) ++__u32 ar7_read32(struct map_info *map, unsigned long ofs) +{ + return __raw_readl(map->map_priv_1 + ofs); +} + -+void avalanche_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) ++void ar7_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) +{ + memcpy_fromio(to, map->map_priv_1 + from, len); +} + -+void avalanche_write8(struct map_info *map, __u8 d, unsigned long adr) ++void ar7_write8(struct map_info *map, __u8 d, unsigned long adr) +{ + __raw_writeb(d, map->map_priv_1 + adr); + mb(); +} + -+void avalanche_write16(struct map_info *map, __u16 d, unsigned long adr) ++void ar7_write16(struct map_info *map, __u16 d, unsigned long adr) +{ + __raw_writew(d, map->map_priv_1 + adr); + mb(); +} + -+void avalanche_write32(struct map_info *map, __u32 d, unsigned long adr) ++void ar7_write32(struct map_info *map, __u32 d, unsigned long adr) +{ + __raw_writel(d, map->map_priv_1 + adr); + mb(); +} + -+void avalanche_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) ++void ar7_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len) +{ + memcpy_toio(map->map_priv_1 + to, from, len); +} + -+struct map_info avalanche_map = { ++struct map_info ar7_map = { + name: "Physically mapped flash", + size: WINDOW_SIZE, + buswidth: BUSWIDTH, -+ read8: avalanche_read8, -+ read16: avalanche_read16, -+ read32: avalanche_read32, -+ copy_from: avalanche_copy_from, -+ write8: avalanche_write8, -+ write16: avalanche_write16, -+ write32: avalanche_write32, -+ copy_to: avalanche_copy_to ++ read8: ar7_read8, ++ read16: ar7_read16, ++ read32: ar7_read32, ++ copy_from: ar7_copy_from, ++ write8: ar7_write8, ++ write16: ar7_write16, ++ write32: ar7_write32, ++ copy_to: ar7_copy_to +}; + -+int __init avalanche_mtd_init(void) ++int __init ar7_mtd_init(void) +{ -+ printk(KERN_NOTICE "avalanche flash device: 0x%lx at 0x%lx.\n", (unsigned long)WINDOW_SIZE, (unsigned long)WINDOW_ADDR); -+ avalanche_map.map_priv_1 = (unsigned long)ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE); ++ int partitions; ++ ++ printk(KERN_NOTICE "ar7 flash device: 0x%lx at 0x%lx.\n", (unsigned long)WINDOW_SIZE, (unsigned long)WINDOW_ADDR); ++ ar7_map.map_priv_1 = (unsigned long)ioremap_nocache(WINDOW_ADDR, WINDOW_SIZE); + -+ if (!avalanche_map.map_priv_1) { ++ if (!ar7_map.map_priv_1) { + printk("Failed to ioremap\n"); + return -EIO; + } + -+ avalanche_mtd_info = do_map_probe("cfi_probe", &avalanche_map); -+ if (!avalanche_mtd_info) ++ ar7_mtd_info = do_map_probe("cfi_probe", &ar7_map); ++ if (!ar7_mtd_info) + { -+ avalanche_mtd_cleanup(); ++ ar7_mtd_cleanup(); + return -ENXIO; + } + -+ avalanche_mtd_info->module = THIS_MODULE; ++ ar7_mtd_info->module = THIS_MODULE; + -+ if (!create_mtd_partitions()) -+ add_mtd_device(avalanche_mtd_info); ++ if (!(partitions = create_mtd_partitions())) ++ add_mtd_device(ar7_mtd_info); + else -+ add_mtd_partitions(avalanche_mtd_info, avalanche_partition_info, num_of_partitions); ++ add_mtd_partitions(ar7_mtd_info, ar7_partinfo, partitions); + -+ avalanche_mtd_ready=1; -+ + return 0; +} + @@ -173,20 +132,24 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd +{ + unsigned int offset; + unsigned int size; -+ unsigned int found; ++ unsigned int found = 0; ++ unsigned int p = 0; + unsigned char *flash_base; + unsigned char *flash_end; + char *env_ptr; + char *base_ptr; + char *end_ptr; ++ unsigned int adam2_size = 0x20000; ++ unsigned int config_offset = WINDOW_SIZE; ++ unsigned int rootfs_start = 0xe0000; + ++ printk("Parsing ADAM2 partition map...\n"); ++ + do { + char env_name[20]; + -+ found = 0; -+ + /* get base and end addresses of flash file system from environment */ -+ sprintf(env_name, "mtd%1u", num_of_partitions); ++ sprintf(env_name, "mtd%1u", p); + printk("Looking for mtd device :%s:\n", env_name); + + env_ptr = prom_getenv(env_name); @@ -199,14 +162,14 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd + base_ptr = strtok(env_ptr, ","); + end_ptr = strtok(NULL, ","); + if ((base_ptr == NULL) || (end_ptr == NULL)) { -+ printk("JFFS2 ERROR: Invalid %s start,end.\n", env_name); ++ printk("ADAM2 partition error: Invalid %s start,end.\n", env_name); + break; + } + + flash_base = (unsigned char*) simple_strtol(base_ptr, NULL, 0); + flash_end = (unsigned char*) simple_strtol(end_ptr, NULL, 0); + if((!flash_base) || (!flash_end)) { -+ printk("JFFS2 ERROR: Invalid %s start,end.\n", env_name); ++ printk("ADAM2 partition error: Invalid %s start,end.\n", env_name); + break; + } + @@ -214,45 +177,129 @@ diff -urN linux-2.4.30/drivers/mtd/maps/ar7-flash.c linux-2.4.30.dev/drivers/mtd + size = flash_end - flash_base; + printk("Found a %s image (0x%x), with size (0x%x).\n",env_name, offset, size); + -+ /* Setup the partition info. We duplicate the env_name for the partiton name */ -+ if (num_of_partitions == 0) -+ avalanche_partition_info[num_of_partitions].name = strdup("linux"); -+ else if (num_of_partitions == 1) -+ avalanche_partition_info[num_of_partitions].name = strdup("rootfs"); -+ else if (num_of_partitions == 2) -+ avalanche_partition_info[num_of_partitions].name = strdup("adam2"); -+ else if (num_of_partitions == 3) -+ avalanche_partition_info[num_of_partitions].name = strdup("config"); -+ else -+ avalanche_partition_info[num_of_partitions].name = strdup(env_name); -+ avalanche_partition_info[num_of_partitions].offset = offset; -+ avalanche_partition_info[num_of_partitions].size = size; -+ avalanche_partition_info[num_of_partitions].mask_flags = 0; -+ num_of_partitions++; -+ } while (num_of_partitions < MAX_NUM_PARTITIONS); -+ -+ return num_of_partitions; ++ ++ if (offset == 0) { ++ printk("Assuming adam2 size of 0x%x\n", size); ++ adam2_size = size; // boot loader ++ } else if (offset > 0x120000) { ++ if (config_offset > offset) ++ config_offset = offset; // reserved at the end of the flash chip ++ } else if (offset > 0x30000) { ++ printk("Assuming default rootfs offset of 0x%x\n", offset); ++ rootfs_start = offset; // probably root fs ++ } ++ ++ p++; ++ } while (p < MAX_NUM_PARTITIONS); ++ ++ p = 0; ++ ++ ar7_partinfo[p].name = strdup("adam2"); ++ ar7_partinfo[p].offset = 0; ++ ar7_partinfo[p].size = adam2_size; ++ ar7_partinfo[p++].mask_flags = 0; ++ ++ ar7_partinfo[p].name = strdup("linux"); ++ ar7_partinfo[p].offset = adam2_size; ++ ar7_partinfo[p].size = config_offset - adam2_size; ++ ar7_partinfo[p++].mask_flags = 0; ++ ++ if (ar7_read32(&ar7_map, adam2_size) == 0xfeedfa42) { ++ rootfs_start = ar7_read32(&ar7_map, adam2_size + 4) + adam2_size + 28; ++ printk("Setting new rootfs offset to %08x\n", rootfs_start); ++ } ++ ++ ar7_partinfo[p].name = strdup("rootfs"); ++ ar7_partinfo[p].offset = rootfs_start; ++ ar7_partinfo[p].size = config_offset - rootfs_start; ++ ++ ar7_partinfo[p++].mask_flags = 0; ++ ++ ar7_partinfo[p].name = strdup("config"); ++ ar7_partinfo[p].offset = config_offset; ++ ar7_partinfo[p].size = WINDOW_SIZE - config_offset; ++ ar7_partinfo[p++].mask_flags = 0; ++ ++ if (ar7_read32(&ar7_map, rootfs_start) == SQUASHFS_MAGIC) { ++ int newsize, newoffset; ++ squashfs_super_block sb; ++ ++ ar7_copy_from(&ar7_map, &sb, rootfs_start, sizeof(sb)); ++ printk("Squashfs detected (size = 0x%08x)\n", sb.bytes_used); ++ ++ newoffset = rootfs_start + sb.bytes_used; ++ ++ if ((newoffset % ar7_mtd_info->erasesize) > 0) ++ newoffset += ar7_mtd_info->erasesize - (newoffset % ar7_mtd_info->erasesize); ++ ++ ar7_partinfo[p - 2].size = newoffset - rootfs_start; ++ ++ ar7_partinfo[p].name = strdup("OpenWrt"); ++ ar7_partinfo[p].offset = newoffset; ++ ar7_partinfo[p].size = config_offset - newoffset; ++ ar7_partinfo[p++].mask_flags = 0; ++ } else { ++ printk("Unknown filesystem. Moving rootfs partition to next erase block"); ++ if ((rootfs_start % ar7_mtd_info->erasesize) > 0) ++ rootfs_start += ar7_mtd_info->erasesize - (rootfs_start % ar7_mtd_info->erasesize); ++ } ++ ++ return p; +} + -+static void __exit avalanche_mtd_cleanup(void) ++static void __exit ar7_mtd_cleanup(void) +{ -+ avalanche_mtd_ready=0; -+ -+ if (avalanche_mtd_info) { -+ del_mtd_partitions(avalanche_mtd_info); -+ del_mtd_device(avalanche_mtd_info); -+ map_destroy(avalanche_mtd_info); ++ if (ar7_mtd_info) { ++ del_mtd_partitions(ar7_mtd_info); ++ del_mtd_device(ar7_mtd_info); ++ map_destroy(ar7_mtd_info); + } + -+ if (avalanche_map.map_priv_1) { -+ iounmap((void *)avalanche_map.map_priv_1); -+ avalanche_map.map_priv_1 = 0; ++ if (ar7_map.map_priv_1) { ++ iounmap((void *)ar7_map.map_priv_1); ++ ar7_map.map_priv_1 = 0; + } +} + -+module_init(avalanche_mtd_init); -+module_exit(avalanche_mtd_cleanup); ++module_init(ar7_mtd_init); ++module_exit(ar7_mtd_cleanup); + +MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Snehaprabha Narnakaje"); -+MODULE_DESCRIPTION("Avalanche CFI map driver"); ++MODULE_AUTHOR("Felix Fietkau"); ++MODULE_DESCRIPTION("AR7 CFI map driver"); +diff -urN linux.old/drivers/mtd/maps/Config.in linux.dev/drivers/mtd/maps/Config.in +--- linux.old/drivers/mtd/maps/Config.in 2005-07-21 05:36:32.414242296 +0200 ++++ linux.dev/drivers/mtd/maps/Config.in 2005-07-21 06:29:04.067118232 +0200 +@@ -48,6 +48,21 @@ + fi + + if [ "$CONFIG_MIPS" = "y" ]; then ++ if [ "$CONFIG_AR7" = "y" ]; then ++ dep_tristate ' Flash chip mapping on Texas Instruments AR7' CONFIG_MTD_AR7 $CONFIG_MTD_CFI $CONFIG_MTD_PARTITIONS ++ dep_bool ' Use defaults for Texas Instruments AR7' CONFIG_MTD_AR7_DEFAULTS $CONFIG_MTD_AR7 ++ if [ "$CONFIG_MTD_AR7" = "y" -o "$CONFIG_MTD_AR7" = "m" ]; then ++ if [ "$CONFIG_MTD_AR7_DEFAULTS" = "y" ]; then ++ define_hex CONFIG_MTD_AR7_START 0x10000000 ++ define_hex CONFIG_MTD_AR7_LEN 0x400000 ++ define_int CONFIG_MTD_AR7_BUSWIDTH 2 ++ else ++ hex ' Physical start address of flash mapping' CONFIG_MTD_AR7_START 0x10000000 ++ hex ' Physical length of flash mapping' CONFIG_MTD_AR7_LEN 0x400000 ++ int ' Bus width in octets' CONFIG_MTD_AR7_BUSWIDTH 2 ++ fi ++ fi ++ fi + dep_tristate ' Pb1000 MTD support' CONFIG_MTD_PB1000 $CONFIG_MIPS_PB1000 + dep_tristate ' Pb1500 MTD support' CONFIG_MTD_PB1500 $CONFIG_MIPS_PB1500 + dep_tristate ' Pb1100 MTD support' CONFIG_MTD_PB1100 $CONFIG_MIPS_PB1100 +diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefile +--- linux.old/drivers/mtd/maps/Makefile 2005-07-21 05:36:32.414242296 +0200 ++++ linux.dev/drivers/mtd/maps/Makefile 2005-07-21 06:56:33.265401984 +0200 +@@ -10,6 +10,7 @@ + endif + + # Chip mappings ++obj-$(CONFIG_MTD_AR7) += ar7-flash.o + obj-$(CONFIG_MTD_CDB89712) += cdb89712.o + obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o + obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o