From 700a0c648df72f2c8e0589c0d0470b5ffd7cab7b Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Mon, 8 Aug 2005 01:03:24 +0200 Subject: Add common (with Linux) MTD partition scheme and "mtdparts" command Old, obsolete and duplicated code was cleaned up and replace by the new partitioning method. There are two possible approaches now: * define a single, static partition * use mtdparts command line option and dynamic partitioning Default is static partitioning. diff --git a/CHANGELOG b/CHANGELOG index 7a5ab58..c3b6848 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,30 @@ Changes for U-Boot 1.1.3: ====================================================================== +* Add common (with Linux) MTD partition scheme and "mtdparts" command + + Old, obsolete and duplicated code was cleaned up and replace by the + new partitioning method. There are two possible approaches now: + + The first one is to define a single, static partition: + + #undef CONFIG_JFFS2_CMDLINE + #define CONFIG_JFFS2_DEV "nor0" + #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF /* use whole device */ + #define CONFIG_JFFS2_PART_SIZE 0x00100000 /* use 1MB */ + #define CONFIG_JFFS2_PART_OFFSET 0x00000000 + + The second method uses the mtdparts command line option and dynamic + partitioning: + + /* mtdparts command line support */ + #define CONFIG_JFFS2_CMDLINE + #define MTDIDS_DEFAULT "nor1=zuma-1,nor2=zuma-2" + #define MTDPARTS_DEFAULT "mtdparts=zuma-1:-(jffs2),zuma-2:-(user)" + + Command line of course produces bigger images, and may be inappropriate + for some targets, so by default it's off. + * Fix build problems for PM856 Board * Fix sign extension bug in 'fpga loadb' command; diff --git a/board/dave/PPChameleonEVB/config.mk b/board/dave/PPChameleonEVB/config.mk index 1bdf5e4..5856aec 100644 --- a/board/dave/PPChameleonEVB/config.mk +++ b/board/dave/PPChameleonEVB/config.mk @@ -21,4 +21,8 @@ # MA 02111-1307 USA # +# Reserve 256 kB for Monitor TEXT_BASE = 0xFFFC0000 + +# Reserve 320 kB for Monitor +#TEXT_BASE = 0xFFFB0000 diff --git a/board/eltec/bab7xx/asm_init.S b/board/eltec/bab7xx/asm_init.S index 3f88bc2..2a9b33e 100644 --- a/board/eltec/bab7xx/asm_init.S +++ b/board/eltec/bab7xx/asm_init.S @@ -24,6 +24,7 @@ */ #include +#include #include <74xx_7xx.h> #include #include diff --git a/board/eltec/bab7xx/l2cache.c b/board/eltec/bab7xx/l2cache.c index 077f2c9..1e75377 100644 --- a/board/eltec/bab7xx/l2cache.c +++ b/board/eltec/bab7xx/l2cache.c @@ -27,6 +27,7 @@ #include #include +#include /* defines L2CR register for MPC750 */ diff --git a/board/eltec/elppc/asm_init.S b/board/eltec/elppc/asm_init.S index a5605b7..1b8d399 100644 --- a/board/eltec/elppc/asm_init.S +++ b/board/eltec/elppc/asm_init.S @@ -24,6 +24,7 @@ */ #include +#include #include #include diff --git a/board/fads/fads.h b/board/fads/fads.h index 9aed226..aff1b7e 100644 --- a/board/fads/fads.h +++ b/board/fads/fads.h @@ -197,9 +197,25 @@ #define CFG_DIRECT_FLASH_TFTP #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_NUM_BANKS CFG_MAX_FLASH_BANKS -#define CFG_JFFS2_FIRST_SECTOR 4 + +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=fads0,nor1=fads-1,nor2=fads-2,nor3=fads-3" +#define MTDPARTS_DEFAULT "mtdparts=fads-0:-@1m(user1),fads-1:-(user2),fads-2:-(user3),fads-3:-(user4)" +*/ + #define CFG_JFFS2_SORT_FRAGMENTS #endif /* CFG_CMD_JFFS2 */ diff --git a/board/funkwerk/vovpn-gw/flash.c b/board/funkwerk/vovpn-gw/flash.c index 4073453..7dd0d3f 100644 --- a/board/funkwerk/vovpn-gw/flash.c +++ b/board/funkwerk/vovpn-gw/flash.c @@ -447,60 +447,3 @@ flash_real_protect(flash_info_t *info, long sector, int prot) *addr = FLASH_CMD_RESET; return (0); } - -/*----------------------------------------------------------------------- - * Support for flash file system (JFFS2) - * - * We use custom partition info function because we have to fit the - * file system image between first sector (containing hard reset - * configuration word) and the sector containing U-Boot image. Standard - * partition info function does not allow for last sector specification - * and assumes that the file system occupies flash bank up to and - * including bank's last sector. - */ -#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CFG_JFFS_CUSTOM_PART) -#error TODO - -#ifndef CFG_JFFS2_FIRST_SECTOR -#define CFG_JFFS2_FIRST_SECTOR 0 -#endif -#ifndef CFG_JFFS2_FIRST_BANK -#define CFG_JFFS2_FIRST_BANK 0 -#endif -#ifndef CFG_JFFS2_NUM_BANKS -#define CFG_JFFS2_NUM_BANKS 1 -#endif -#define CFG_JFFS2_LAST_BANK (CFG_JFFS2_FIRST_BANK + CFG_JFFS2_NUM_BANKS - 1) - -#include - -static struct part_info partition; - -struct part_info *jffs2_part_info(int part_num) -{ - int i; - - if (part_num == 0) { - if (partition.usr_priv == 0) { - partition.offset = - (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR]; - for (i = CFG_JFFS2_FIRST_BANK; i <= CFG_JFFS2_LAST_BANK; i++) - partition.size += flash_info[i].size; - partition.size -= - flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] - - flash_info[CFG_JFFS2_FIRST_BANK].start[0]; -#ifdef CFG_JFFS2_LAST_SECTOR - i = flash_info[CFG_JFFS2_LAST_BANK].sector_count - 1; - partition.size -= - flash_info[CFG_JFFS2_LAST_BANK].start[i] - - flash_info[CFG_JFFS2_LAST_BANK].start[CFG_JFFS2_LAST_SECTOR]; -#endif - - partition.usr_priv = (void *)1; - } - return &partition; - } - return 0; -} - -#endif /* JFFS2 */ diff --git a/board/innokom/flash.c b/board/innokom/flash.c index 29c9166..298acc8 100644 --- a/board/innokom/flash.c +++ b/board/innokom/flash.c @@ -35,10 +35,6 @@ #include #include -#if defined CFG_JFFS_CUSTOM_PART -#include -#endif - /* Debugging macros ------------------------------------------------------ */ #undef FLASH_DEBUG @@ -78,179 +74,6 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; - -#if defined CFG_JFFS_CUSTOM_PART - -/** - * jffs2_part_info - get information about a JFFS2 partition - * - * @part_num: number of the partition you want to get info about - * @return: struct part_info* in case of success, 0 if failure - */ - -static struct part_info part; -static int current_part = -1; - -#ifdef CONFIG_MTD_INNOKOM_16MB -#ifdef CONFIG_MTD_INNOKOM_64MB -#error Please define only one CONFIG_MTD_INNOKOM_XXMB option. -#endif -struct part_info* jffs2_part_info(int part_num) { - void *jffs2_priv_saved = part.jffs2_priv; - - PRINTK2("jffs2_part_info: part_num=%i\n",part_num); - - if (current_part == part_num) - return ∂ - - /* u-boot partition */ - if(part_num==0){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00000000; - part.size=256*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* primary OS+firmware partition */ - if(part_num==1){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00040000; - part.size=768*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* secondary OS+firmware partition */ - if(part_num==2){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00100000; - part.size=8*1024*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* data partition */ - if(part_num==3){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00900000; - part.size=7*1024*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - if (current_part == part_num) { - part.usr_priv = ¤t_part; - part.jffs2_priv = jffs2_priv_saved; - return ∂ - } - - PRINTK("jffs2_part_info: end of partition table\n"); - return 0; -} -#endif /* CONFIG_MTD_INNOKOM_16MB */ - -#ifdef CONFIG_MTD_INNOKOM_64MB -#ifdef CONFIG_MTD_INNOKOM_16MB -#error Please define only one CONFIG_MTD_INNOKOM_XXMB option. -#endif -struct part_info* jffs2_part_info(int part_num) { - void *jffs2_priv_saved = part.jffs2_priv; - - PRINTK2("jffs2_part_info: part_num=%i\n",part_num); - - if (current_part == part_num) - return ∂ - - /* u-boot partition */ - if(part_num==0){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00000000; - part.size=256*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* primary OS+firmware partition */ - if(part_num==1){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00040000; - part.size=16*1024*1024-128*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* secondary OS+firmware partition */ - if(part_num==2){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x01020000; - part.size=16*1024*1024-128*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* data partition */ - if(part_num==3){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x02000000; - part.size=32*1024*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); - PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - } - - if (current_part == part_num) { - part.usr_priv = ¤t_part; - part.jffs2_priv = jffs2_priv_saved; - return ∂ - } - - PRINTK("jffs2_part_info: end of partition table\n"); - return 0; -} -#endif /* CONFIG_MTD_INNOKOM_64MB */ -#endif /* defined CFG_JFFS_CUSTOM_PART */ - - /** * flash_init: - initialize data structures for flash chips * diff --git a/board/mpc8260ads/flash.c b/board/mpc8260ads/flash.c index b2e9df2..59997aa 100644 --- a/board/mpc8260ads/flash.c +++ b/board/mpc8260ads/flash.c @@ -490,59 +490,3 @@ int flash_real_protect(flash_info_t *info, long sector, int prot) return rc; } - -/*----------------------------------------------------------------------- - * Support for flash file system (JFFS2) - * - * We use custom partition info function because we have to fit the - * file system image between first sector (containing hard reset - * configuration word) and the sector containing U-Boot image. Standard - * partition info function does not allow for last sector specification - * and assumes that the file system occupies flash bank up to and - * including bank's last sector. - */ -#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CFG_JFFS_CUSTOM_PART) - -#ifndef CFG_JFFS2_FIRST_SECTOR -#define CFG_JFFS2_FIRST_SECTOR 0 -#endif -#ifndef CFG_JFFS2_FIRST_BANK -#define CFG_JFFS2_FIRST_BANK 0 -#endif -#ifndef CFG_JFFS2_NUM_BANKS -#define CFG_JFFS2_NUM_BANKS 1 -#endif -#define CFG_JFFS2_LAST_BANK (CFG_JFFS2_FIRST_BANK + CFG_JFFS2_NUM_BANKS - 1) - -#include - -static struct part_info partition; - -struct part_info *jffs2_part_info(int part_num) -{ - int i; - - if (part_num == 0) { - if (partition.usr_priv == 0) { - partition.offset = - (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR]; - for (i = CFG_JFFS2_FIRST_BANK; i <= CFG_JFFS2_LAST_BANK; i++) - partition.size += flash_info[i].size; - partition.size -= - flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] - - flash_info[CFG_JFFS2_FIRST_BANK].start[0]; -#ifdef CFG_JFFS2_LAST_SECTOR - i = flash_info[CFG_JFFS2_LAST_BANK].sector_count - 1; - partition.size -= - flash_info[CFG_JFFS2_LAST_BANK].start[i] - - flash_info[CFG_JFFS2_LAST_BANK].start[CFG_JFFS2_LAST_SECTOR]; -#endif - - partition.usr_priv = (void *)1; - } - return &partition; - } - return 0; -} - -#endif /* JFFS2 */ diff --git a/board/mx1fs2/flash.c b/board/mx1fs2/flash.c index 3a79a9e..3806310 100644 --- a/board/mx1fs2/flash.c +++ b/board/mx1fs2/flash.c @@ -25,10 +25,6 @@ #include -#if defined CFG_JFFS_CUSTOM_PART -#include -#endif - #define FLASH_BANK_SIZE MX1FS2_FLASH_BANK_SIZE #define MAIN_SECT_SIZE MX1FS2_FLASH_SECT_SIZE @@ -70,67 +66,6 @@ static int write_word_amd(flash_info_t * info, FPWV * dest, FPW data); static void flash_sync_real_protect(flash_info_t * info); #endif -#if defined CFG_JFFS_CUSTOM_PART - -/** - * jffs2_part_info - get information about a JFFS2 partition - * - * @part_num: number of the partition you want to get info about - * @return: struct part_info* in case of success, 0 if failure - */ - -static struct part_info part; -static int current_part = -1; - -struct part_info * -jffs2_part_info(int part_num) -{ - void *jffs2_priv_saved = part.jffs2_priv; - - printf("jffs2_part_info: part_num=%i\n", part_num); - - if (current_part == part_num) - return ∂ - - /* rootfs */ - if (part_num == 0) { - memset(&part, 0, sizeof (part)); - - part.offset = (char *) MX1FS2_JFFS2_PART0_START; - part.size = MX1FS2_JFFS2_PART0_SIZE; - - /* Mark the struct as ready */ - current_part = part_num; - - printf("part.offset = 0x%08x\n", (unsigned int) part.offset); - printf("part.size = 0x%08x\n", (unsigned int) part.size); - } - - /* userfs */ - if (part_num == 1) { - memset(&part, 0, sizeof (part)); - - part.offset = (char *) MX1FS2_JFFS2_PART1_START; - part.size = MX1FS2_JFFS2_PART1_SIZE; - - /* Mark the struct as ready */ - current_part = part_num; - - printf("part.offset = 0x%08x\n", (unsigned int) part.offset); - printf("part.size = 0x%08x\n", (unsigned int) part.size); - } - - if (current_part == part_num) { - part.usr_priv = ¤t_part; - part.jffs2_priv = jffs2_priv_saved; - return ∂ - } - - printf("jffs2_part_info: end of partition table\n"); - return 0; -} -#endif /* CFG_JFFS_CUSTOM_PART */ - /*----------------------------------------------------------------------- * flash_init() * diff --git a/board/sixnet/sixnet.c b/board/sixnet/sixnet.c index 42d1497..c31ea53 100644 --- a/board/sixnet/sixnet.c +++ b/board/sixnet/sixnet.c @@ -601,70 +601,3 @@ long int initdram(int board_type) return (size_sdram); } - -#ifdef CFG_JFFS_CUSTOM_PART - -static struct part_info part; - -#define jffs2_block(i) \ - ((struct jffs2_unknown_node*)(CFG_JFFS2_BASE + (i) * 65536)) - -struct part_info* jffs2_part_info(int part_num) -{ - DECLARE_GLOBAL_DATA_PTR; - bd_t *bd = gd->bd; - char* s; - int i; - int bootnor = 0; /* assume booting from NAND flash */ - - if (part_num != 0) - return 0; /* only support one partition */ - - if (part.usr_priv == (void*)1) - return ∂ /* already have part info */ - - memset(&part, 0, sizeof(part)); - - if (nand_dev_desc[0].ChipID == NAND_ChipID_UNKNOWN) - bootnor = 1; - else if (bd->bi_flashsize < 0x800000) - bootnor = 0; - else for (i = 0; !bootnor && i < 4; ++i) { - /* boot from NOR if JFFS2 info in any of - * first 4 erase blocks - */ - - if (jffs2_block(i)->magic == JFFS2_MAGIC_BITMASK) - bootnor = 1; - } - - if (bootnor) { - /* no NAND flash or boot in NOR, use NOR flash */ - part.offset = (unsigned char *)CFG_JFFS2_BASE; - part.size = CFG_JFFS2_SIZE; - } - else { - char readcmd[60]; - - /* boot info in NAND flash, get and use copy in RAM */ - - /* override info from environment if present */ - s = getenv("fsaddr"); - part.offset = s ? (void *)simple_strtoul(s, NULL, 16) - : (void *)CFG_JFFS2_RAMBASE; - s = getenv("fssize"); - part.size = s ? simple_strtoul(s, NULL, 16) - : CFG_JFFS2_RAMSIZE; - - /* read from nand flash */ - sprintf(readcmd, "nand read.jffs2 %x 0 %x", - (uint32_t)part.offset, part.size); - run_command(readcmd, 0); - } - - part.erasesize = 0; /* unused */ - part.usr_priv=(void*)1; /* ready */ - - return ∂ -} -#endif /* ifdef CFG_JFFS_CUSTOM_PART */ diff --git a/board/voiceblue/voiceblue.c b/board/voiceblue/voiceblue.c index 9691106..7a2d243 100644 --- a/board/voiceblue/voiceblue.c +++ b/board/voiceblue/voiceblue.c @@ -56,90 +56,10 @@ int dram_init(void) return 0; } -#ifndef VOICEBLUE_SMALL_FLASH - -#include - -extern flash_info_t flash_info[]; -static struct part_info partinfo; -static int current_part = -1; - -/* Partition table (Linux MTD see it this way) - * - * 0 - U-Boot - * 1 - env - * 2 - redundant env - * 3 - data1 (jffs2) - * 4 - data2 (jffs2) - */ - -static struct { - ulong offset; - ulong size; -} part[5]; - -static void partition_flash(flash_info_t *info) -{ - char mtdparts[128]; - int i, n, size, psize; - const ulong plen[3] = { CFG_MONITOR_LEN, CFG_ENV_SIZE, CFG_ENV_SIZE }; - - size = n = 0; - for (i = 0; i < 4; i++) { - part[i].offset = info->start[n]; - psize = i < 3 ? plen[i] : (info->size - size) / 2; - while (part[i].size < psize) { - if (++n > info->sector_count) { - printf("Partitioning error. System halted.\n"); - while (1) ; - } - part[i].size += info->start[n] - info->start[n - 1]; - } - size += part[i].size; - } - part[4].offset = info->start[n]; - part[4].size = info->start[info->sector_count - 1] - info->start[n]; - - sprintf(mtdparts, "omapflash.0:" - "%dk(U-Boot)ro,%dk(env),%dk(r_env),%dk(data1),-(data2)", - part[0].size >> 10, part[1].size >> 10, - part[2].size >> 10, part[3].size >> 10); - setenv ("mtdparts", mtdparts); -} - -struct part_info* jffs2_part_info(int part_num) -{ - void *jffs2_priv_saved = partinfo.jffs2_priv; - - if (part_num != 3 && part_num != 4) - return NULL; - - if (current_part != part_num) { - memset(&partinfo, 0, sizeof(partinfo)); - current_part = part_num; - partinfo.offset = (char*) part[part_num].offset; - partinfo.size = part[part_num].size; - partinfo.usr_priv = ¤t_part; - partinfo.jffs2_priv = jffs2_priv_saved; - } - - return &partinfo; -} - -#endif - int misc_init_r(void) { *((volatile unsigned short *) VOICEBLUE_LED_REG) = 0x55; -#ifndef VOICEBLUE_SMALL_FLASH - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf("Unknown flash. System halted.\n"); - while (1) ; - } - partition_flash(&flash_info[0]); -#endif - return 0; } diff --git a/board/xsengine/flash.c b/board/xsengine/flash.c index bfa287b..3f93700 100644 --- a/board/xsengine/flash.c +++ b/board/xsengine/flash.c @@ -27,10 +27,6 @@ #include #include -#if defined CFG_JFFS_CUSTOM_PART -#include -#endif - #define SWAP(x) __swab32(x) flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ @@ -40,80 +36,6 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info); static int write_word (flash_info_t *info, ulong dest, ulong data); static void flash_get_offsets (ulong base, flash_info_t *info); -#if defined CFG_JFFS_CUSTOM_PART - -/* - * jffs2_part_info - get information about a JFFS2 partition - * - * @part_num: number of the partition you want to get info about - * @return: struct part_info* in case of success, 0 if failure - */ - -static struct part_info part; -static int current_part = -1; - -struct part_info* jffs2_part_info(int part_num) { - void *jffs2_priv_saved = part.jffs2_priv; - - printf("jffs2_part_info: part_num=%i\n",part_num); - - if (current_part == part_num) - return ∂ - - /* u-boot partition */ - if(part_num==0){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00000000; - part.size=256*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - printf("part.offset = 0x%08x\n",(unsigned int)part.offset); - printf("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* primary OS+firmware partition */ - if(part_num==1){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00040000; - part.size=1024*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - printf("part.offset = 0x%08x\n",(unsigned int)part.offset); - printf("part.size = 0x%08x\n",(unsigned int)part.size); - } - - /* secondary OS+firmware partition */ - if(part_num==2){ - memset(&part, 0, sizeof(part)); - - part.offset=(char*)0x00140000; - part.size=8*1024*1024; - - /* Mark the struct as ready */ - current_part = part_num; - - printf("part.offset = 0x%08x\n",(unsigned int)part.offset); - printf("part.size = 0x%08x\n",(unsigned int)part.size); - } - - if (current_part == part_num) { - part.usr_priv = ¤t_part; - part.jffs2_priv = jffs2_priv_saved; - return ∂ - } - - printf("jffs2_part_info: end of partition table\n"); - return 0; -} -#endif - - /*----------------------------------------------------------------------- */ unsigned long flash_init (void) diff --git a/common/cmd_flash.c b/common/cmd_flash.c index 3972082..0fb4dbb 100644 --- a/common/cmd_flash.c +++ b/common/cmd_flash.c @@ -27,13 +27,22 @@ #include #include - #ifdef CONFIG_HAS_DATAFLASH #include #endif #if (CONFIG_COMMANDS & CFG_CMD_FLASH) +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) +#include + +/* parition handling routines */ +int mtdparts_init(void); +int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); +int find_dev_and_part(const char *id, struct mtd_device **dev, + u8 *part_num, struct part_info **part); +#endif + extern flash_info_t flash_info[]; /* info for FLASH chips */ /* @@ -295,11 +304,17 @@ int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) flash_print_info (&flash_info[bank-1]); return 0; } + int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { flash_info_t *info; ulong bank, addr_first, addr_last; int n, sect_first, sect_last; +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + struct mtd_device *dev; + struct part_info *part; + u8 dev_type, dev_num, pnum; +#endif int rcode = 0; if (argc < 2) { @@ -327,6 +342,32 @@ int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return rcode; } +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + /* erase - erase partition */ + if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) { + mtdparts_init(); + if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) { + if (dev->id->type == MTD_DEV_TYPE_NOR) { + bank = dev->id->num; + info = &flash_info[bank]; + addr_first = part->offset + info->start[0]; + addr_last = addr_first + part->size - 1; + + printf ("Erase Flash Parition %s, " + "bank %d, 0x%08lx - 0x%08lx ", + argv[1], bank, addr_first, + addr_last); + + rcode = flash_sect_erase(addr_first, addr_last); + return rcode; + } + + printf("cannot erase, not a NOR device\n"); + return 1; + } + } +#endif + if (argc != 3) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; @@ -401,6 +442,11 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) flash_info_t *info; ulong bank, addr_first, addr_last; int i, p, n, sect_first, sect_last; +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + struct mtd_device *dev; + struct part_info *part; + u8 dev_type, dev_num, pnum; +#endif int rcode = 0; #ifdef CONFIG_HAS_DATAFLASH int status; @@ -488,6 +534,33 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return rcode; } + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + /* protect on/off */ + if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) { + mtdparts_init(); + if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) { + if (dev->id->type == MTD_DEV_TYPE_NOR) { + bank = dev->id->num; + info = &flash_info[bank]; + addr_first = part->offset + info->start[0]; + addr_last = addr_first + part->size - 1; + + printf ("%sProtect Flash Parition %s, " + "bank %d, 0x%08lx - 0x%08lx\n", + p ? "" : "Un", argv[1], + bank, addr_first, addr_last); + + rcode = flash_sect_protect (p, addr_first, addr_last); + return rcode; + } + + printf("cannot %sprotect, not a NOR device\n", + p ? "" : "un"); + return 1; + } + } +#endif if (argc != 4) { printf ("Usage:\n%s\n", cmdtp->usage); @@ -609,6 +682,9 @@ U_BOOT_CMD( "w/addr 'start'+'len'-1\n" "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n" "erase bank N\n - erase FLASH bank # N\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "erase \n - erase partition\n" +#endif "erase all\n - erase all FLASH banks\n" ); @@ -623,6 +699,9 @@ U_BOOT_CMD( "protect on N:SF[-SL]\n" " - protect sectors SF-SL in FLASH bank # N\n" "protect on bank N\n - protect FLASH bank # N\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "protect on \n - protect partition\n" +#endif "protect on all\n - protect all FLASH banks\n" "protect off start end\n" " - make FLASH from addr 'start' to addr 'end' writable\n" @@ -632,6 +711,9 @@ U_BOOT_CMD( "protect off N:SF[-SL]\n" " - make sectors SF-SL writable in FLASH bank # N\n" "protect off bank N\n - make FLASH bank # N writable\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "protect off \n - make partition writable\n" +#endif "protect off all\n - make all FLASH banks writable\n" ); diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index 45713a3..21eacc2 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -1,128 +1,1763 @@ /* * (C) Copyright 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * * (C) Copyright 2002 * Robert Schwebel, Pengutronix, + * * (C) Copyright 2003 * Kai-Uwe Bloem, Auerswald GmbH & Co KG, * - * See file CREDITS for list of people who contributed to this - * project. + * (C) Copyright 2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Added support for reading flash partition table from environment. + * Parsing routines are based on driver/mtd/cmdline.c from the linux 2.4 + * kernel tree. + * + * $Id: cmdlinepart.c,v 1.17 2004/11/26 11:18:47 lavinen Exp $ + * Copyright 2002 SYSGO Real-Time Solutions GmbH + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Three environment variables are used by the parsing routines: + * + * 'partition' - keeps current partition identifier + * + * partition := + * := ,part_num + * + * + * 'mtdids' - linux kernel mtd device id <-> u-boot device id mapping + * + * mtdids=[,,...] + * + * := = + * := 'nand'|'nor' + * := mtd device number, 0... + * := unique device tag used by linux kernel to find mtd device (mtd->name) + * + * + * 'mtdparts' - partition list + * + * mtdparts=mtdparts=[;...] + * + * := :[,...] + * := unique device tag used by linux kernel to find mtd device (mtd->name) + * := [@][][] + * := standard linux memsize OR '-' to denote all remaining space + * := partition start offset within the device + * := '(' NAME ')' + * := when set to 'ro' makes partition read-only (not used, passed to kernel) + * + * Notes: + * - each used in mtdparts must albo exist in 'mtddis' mapping + * - if the above variables are not set defaults for a given target are used + * + * Examples: + * + * 1 NOR Flash, with 1 single writable partition: + * mtdids=nor0=edb7312-nor + * mtdparts=mtdparts=edb7312-nor:- + * + * 1 NOR Flash with 2 partitions, 1 NAND with one + * mtdids=nor0=edb7312-nor,nand0=edb7312-nand + * mtdparts=mtdparts=edb7312-nor:256k(ARMboot)ro,-(root);edb7312-nand:-(home) + * + */ + +/* + * JFFS2/CRAMFS support + */ +#include +#include +#include +#include +#include +#include +#include + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) + +#include + +/* enable/disable debugging messages */ +#define DEBUG +#undef DEBUG + +#ifdef DEBUG +# define DEBUGF(fmt, args...) printf(fmt ,##args) +#else +# define DEBUGF(fmt, args...) +#endif + +/* special size referring to all the remaining space in a partition */ +#define SIZE_REMAINING 0xFFFFFFFF + +/* special offset value, it is used when not provided by user + * + * this value is used temporarily during parsing, later such offests + * are recalculated */ +#define OFFSET_NOT_SPECIFIED 0xFFFFFFFF + +/* minimum partition size */ +#define MIN_PART_SIZE 4096 + +/* this flag needs to be set in part_info struct mask_flags + * field for read-only partitions */ +#define MTD_WRITEABLE 1 + +#ifdef CONFIG_JFFS2_CMDLINE +/* default values for mtdids and mtdparts variables */ +#if defined(MTDIDS_DEFAULT) +static const char *const mtdids_default = MTDIDS_DEFAULT; +#else +#warning "MTDIDS_DEFAULT not defined!" +static const char *const mtdids_default = NULL; +#endif + +#if defined(MTDPARTS_DEFAULT) +static const char *const mtdparts_default = MTDPARTS_DEFAULT; +#else +#warning "MTDPARTS_DEFAULT not defined!" +static const char *const mtdparts_default = NULL; +#endif + +/* copies of last seen 'mtdids', 'mtdparts' and 'partition' env variables */ +#define MTDIDS_MAXLEN 128 +#define MTDPARTS_MAXLEN 512 +#define PARTITION_MAXLEN 16 +static char last_ids[MTDIDS_MAXLEN]; +static char last_parts[MTDPARTS_MAXLEN]; +static char last_partition[PARTITION_MAXLEN]; + +/* low level jffs2 cache cleaning routine */ +extern void jffs2_free_cache(struct part_info *part); + +/* mtdids mapping list, filled by parse_ids() */ +struct list_head mtdids; + +/* device/partition list, parse_cmdline() parses into here */ +struct list_head devices; +#endif /* #ifdef CONFIG_JFFS2_CMDLINE */ + +/* current active device and partition number */ +static struct mtd_device *current_dev = NULL; +static u8 current_partnum = 0; + +extern int cramfs_check (struct part_info *info); +extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename); +extern int cramfs_ls (struct part_info *info, char *filename); +extern int cramfs_info (struct part_info *info); + +static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num); + +/* command line only routines */ +#ifdef CONFIG_JFFS2_CMDLINE + +static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_len); +static int device_del(struct mtd_device *dev); + +/** + * Parses a string into a number. The number stored at ptr is + * potentially suffixed with K (for kilobytes, or 1024 bytes), + * M (for megabytes, or 1048576 bytes), or G (for gigabytes, or + * 1073741824). If the number is suffixed with K, M, or G, then + * the return value is the number multiplied by one kilobyte, one + * megabyte, or one gigabyte, respectively. + * + * @param ptr where parse begins + * @param retptr output pointer to next char after parse completes (output) + * @return resulting unsigned int + */ +static unsigned long memsize_parse (const char *const ptr, const char **retptr) +{ + unsigned long ret = simple_strtoul(ptr, (char **)retptr, 0); + + switch (**retptr) { + case 'G': + case 'g': + ret <<= 10; + case 'M': + case 'm': + ret <<= 10; + case 'K': + case 'k': + ret <<= 10; + (*retptr)++; + default: + break; + } + + return ret; +} + +/** + * Format string describing supplied size. This routine does the opposite job + * to memsize_parse(). Size in bytes is converted to string and if possible + * shortened by using k (kilobytes), m (megabytes) or g (gigabytes) suffix. + * + * Note, that this routine does not check for buffer overflow, it's the caller + * who must assure enough space. + * + * @param buf output buffer + * @param size size to be converted to string + */ +static void memsize_format(char *buf, u32 size) +{ +#define SIZE_GB ((u32)1024*1024*1024) +#define SIZE_MB ((u32)1024*1024) +#define SIZE_KB ((u32)1024) + + if ((size % SIZE_GB) == 0) + sprintf(buf, "%lug", size/SIZE_GB); + else if ((size % SIZE_MB) == 0) + sprintf(buf, "%lum", size/SIZE_MB); + else if (size % SIZE_KB == 0) + sprintf(buf, "%luk", size/SIZE_KB); + else + sprintf(buf, "%lu", size); +} + +/** + * Save current device and partition in environment variable 'partition'. + */ +static void current_save(void) +{ + char buf[16]; + + DEBUGF("--- current_save ---\n"); + + if (current_dev) { + sprintf(buf, "%s%d,%d", MTD_DEV_TYPE(current_dev->id->type), + current_dev->id->num, current_partnum); + + setenv("partition", buf); + strncpy(last_partition, buf, 16); + + DEBUGF("=> partition %s\n", buf); + } else { + setenv("partition", NULL); + last_partition[0] = '\0'; + + DEBUGF("=> partition NULL\n"); + } +} + +/** + * Performs sanity check for supplied NOR flash partition. Table of existing + * NOR flash devices is searched and partition device is located. Alignment + * with the granularity of NOR flash sectors is verified. + * + * @param id of the parent device + * @param part partition to validate + * @return 0 if partition is valid, 1 otherwise + */ +static int part_validate_nor(struct mtdids *id, struct part_info *part) +{ +#if (CONFIG_COMMANDS & CFG_CMD_FLASH) + /* info for FLASH chips */ + extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + flash_info_t *flash; + int offset_aligned; + u32 end_offset; + int i; + + flash = &flash_info[id->num]; + + offset_aligned = 0; + for (i = 0; i < flash->sector_count; i++) { + if ((flash->start[i] - flash->start[0]) == part->offset) { + offset_aligned = 1; + break; + } + } + if (offset_aligned == 0) { + printf("%s%d: partition (%s) start offset alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + end_offset = part->offset + part->size; + for (i = 0; i < flash->sector_count; i++) { + if ((flash->start[i] - flash->start[0]) == end_offset) + return 0; + } + + if (flash->size == end_offset) + return 0; + + printf("%s%d: partition (%s) size alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); +#endif + return 1; +} + +/** + * Performs sanity check for supplied NAND flash partition. Table of existing + * NAND flash devices is searched and partition device is located. Alignment + * with the granularity of nand erasesize is verified. + * + * @param id of the parent device + * @param part partition to validate + * @return 0 if partition is valid, 1 otherwise + */ +static int part_validate_nand(struct mtdids *id, struct part_info *part) +{ +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + /* info for NAND chips */ + extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; + struct nand_chip *nand; + + nand = &nand_dev_desc[id->num]; + + if ((unsigned long)(part->offset) % nand->erasesize) { + printf("%s%d: partition (%s) start offset alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + if (part->size % nand->erasesize) { + printf("%s%d: partition (%s) size alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + return 0; +#else + return 1; +#endif +} + +/** + * Performs sanity check for supplied partition. Offset and size are verified + * to be within valid range. Partition type is checked and either + * parts_validate_nor() or parts_validate_nand() is called with the argument + * of part. + * + * @param id of the parent device + * @param part partition to validate + * @return 0 if partition is valid, 1 otherwise + */ +static int part_validate(struct mtdids *id, struct part_info *part) +{ + if (part->size == SIZE_REMAINING) + part->size = id->size - part->offset; + + if (part->offset > id->size) { + printf("%s: offset %08lx beyond flash size %08lx\n", + id->mtd_id, part->offset, id->size); + return 1; + } + + if ((part->offset + part->size) <= part->offset) { + printf("%s%d: partition (%s) size too big\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + if (part->offset + part->size > id->size) { + printf("%s: partitioning exceeds flash size\n", id->mtd_id); + return 1; + } + + if (id->type == MTD_DEV_TYPE_NAND) + return part_validate_nand(id, part); + else if (id->type == MTD_DEV_TYPE_NOR) + return part_validate_nor(id, part); + else + DEBUGF("part_validate: invalid dev type\n"); + + return 1; +} + +/** + * Delete selected partition from the partion list of the specified device. + * + * @param dev device to delete partition from + * @param part partition to delete + * @return 0 on success, 1 otherwise + */ +static int part_del(struct mtd_device *dev, struct part_info *part) +{ + /* if there is only one partition, remove whole device */ + if (dev->num_parts == 1) + return device_del(dev); + + /* otherwise just delete this partition */ + + if (dev == current_dev) { + /* we are modyfing partitions for the current device, + * update current */ + struct part_info *curr_pi; + curr_pi = jffs2_part_info(current_dev, current_partnum); + + if (curr_pi) { + if (curr_pi == part) { + printf("current partition deleted, resetting current to 0\n"); + current_partnum = 0; + current_save(); + } else if (part->offset <= curr_pi->offset) { + current_partnum--; + current_save(); + } + } + } + + + jffs2_free_cache(part); + list_del(&part->link); + free(part); + dev->num_parts--; + + return 0; +} + +/** + * Delete all partitions from parts head list, free memory. + * + * @param head list of partitions to delete + */ +static void part_delall(struct list_head *head) +{ + struct list_head *entry, *n; + struct part_info *part_tmp; + + /* clean tmp_list and free allocated memory */ + list_for_each_safe(entry, n, head) { + part_tmp = list_entry(entry, struct part_info, link); + + jffs2_free_cache(part_tmp); + list_del(entry); + free(part_tmp); + } +} + +/** + * Add new partition to the supplied partition list. Make sure partitions are + * sorted by offset in ascending order. + * + * @param head list this partition is to be added to + * @param new partition to be added + */ +static int part_sort_add(struct mtd_device *dev, struct part_info *part) +{ + struct list_head *entry; + struct part_info *new_pi, *curr_pi; + + /* link partition to parrent dev */ + part->dev = dev; + + if (list_empty(&dev->parts)) { + DEBUGF("part_sort_add: list empty\n"); + list_add(&part->link, &dev->parts); + return 0; + } + + new_pi = list_entry(&part->link, struct part_info, link); + + /* get current partition info if we are updating current device */ + curr_pi = NULL; + if (dev == current_dev) + curr_pi = jffs2_part_info(current_dev, current_partnum); + + list_for_each(entry, &dev->parts) { + struct part_info *pi; + + pi = list_entry(entry, struct part_info, link); + + /* be compliant with kernel cmdline, allow only one partition at offset zero */ + if ((new_pi->offset == pi->offset) && (pi->offset == 0)) { + printf("cannot add second partition at offset 0\n"); + return 1; + } + + if (new_pi->offset <= pi->offset) { + list_add_tail(&part->link, entry); + + if (curr_pi && (pi->offset <= curr_pi->offset)) { + /* we are modyfing partitions for the current + * device, update current */ + current_partnum++; + current_save(); + } + + return 0; + } + } + list_add_tail(&part->link, &dev->parts); + return 0; +} + +/** + * Add provided partition to the partition list of a given device. + * + * @param dev device to which partition is added + * @param part partition to be added + * @return 0 on success, 1 otherwise + */ +static int part_add(struct mtd_device *dev, struct part_info *part) +{ + /* verify alignment and size */ + if (part_validate(dev->id, part) != 0) + return 1; + + /* partition is ok, add it to the list */ + if (part_sort_add(dev, part) != 0) + return 1; + + dev->num_parts++; + return 0; +} + +/** + * Parse one partition definition, allocate memory and return pointer to this + * location in retpart. + * + * @param partdef pointer to the partition definition string i.e. + * @param ret output pointer to next char after parse completes (output) + * @param retpart pointer to the allocated partition (output) + * @return 0 on success, 1 otherwise + */ +static int part_parse(const char *const partdef, const char **ret, struct part_info **retpart) +{ + struct part_info *part; + unsigned long size; + unsigned long offset; + const char *name; + int name_len; + unsigned int mask_flags; + const char *p; + + p = partdef; + *retpart = NULL; + *ret = NULL; + + /* fetch the partition size */ + if (*p == '-') { + /* assign all remaining space to this partition */ + DEBUGF("'-': remaining size assigned\n"); + size = SIZE_REMAINING; + p++; + } else { + size = memsize_parse(p, &p); + if (size < MIN_PART_SIZE) { + printf("partition size too small (%lx)\n", size); + return 1; + } + } + + /* check for offset */ + offset = OFFSET_NOT_SPECIFIED; + if (*p == '@') { + p++; + offset = memsize_parse(p, &p); + } + + /* now look for the name */ + if (*p == '(') { + name = ++p; + if ((p = strchr(name, ')')) == NULL) { + printf("no closing ) found in partition name\n"); + return 1; + } + name_len = p - name + 1; + if ((name_len - 1) == 0) { + printf("empty partition name\n"); + return 1; + } + p++; + } else { + /* 0x00000000@0x00000000 */ + name_len = 22; + name = NULL; + } + + /* test for options */ + mask_flags = 0; + if (strncmp(p, "ro", 2) == 0) { + mask_flags |= MTD_WRITEABLE; + p += 2; + } + + /* check for next partition definition */ + if (*p == ',') { + if (size == SIZE_REMAINING) { + *ret = NULL; + printf("no partitions allowed after a fill-up partition\n"); + return 1; + } + *ret = ++p; + } else if ((*p == ';') || (*p == '\0')) { + *ret = p; + } else { + printf("unexpected character '%c' at the end of partition\n", *p); + *ret = NULL; + return 1; + } + + /* allocate memory */ + part = (struct part_info *)malloc(sizeof(struct part_info) + name_len); + if (!part) { + printf("out of memory\n"); + return 1; + } + memset(part, 0, sizeof(struct part_info) + name_len); + part->size = size; + part->offset = offset; + part->mask_flags = mask_flags; + part->name = (char *)(part + 1); + + if (name) { + /* copy user provided name */ + strncpy(part->name, name, name_len - 1); + part->auto_name = 0; + } else { + /* auto generated name in form of size@offset */ + sprintf(part->name, "0x%08lx@0x%08lx", size, offset); + part->auto_name = 1; + } + + part->name[name_len - 1] = '\0'; + INIT_LIST_HEAD(&part->link); + + DEBUGF("+ partition: name %-22s size 0x%08x offset 0x%08x mask flags %d\n", + part->name, part->size, + part->offset, part->mask_flags); + + *retpart = part; + return 0; +} +#endif/* #ifdef CONFIG_JFFS2_CMDLINE */ + +/** + * Check device number to be within valid range for given device type. + * + * @param dev device to validate + * @return 0 if device is valid, 1 otherwise + */ +static int device_validate(u8 type, u8 num, u32 *size) +{ + if (type == MTD_DEV_TYPE_NOR) { +#if (CONFIG_COMMANDS & CFG_CMD_FLASH) + if (num < CFG_MAX_FLASH_BANKS) { + extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + *size = flash_info[num].size; + return 0; + } + + printf("no such FLASH device: %s%d (valid range 0 ... %d\n", + MTD_DEV_TYPE(type), num, CFG_MAX_FLASH_BANKS - 1); +#else + printf("support for FLASH devices not present\n"); +#endif + } else if (type == MTD_DEV_TYPE_NAND) { +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + if (num < CFG_MAX_NAND_DEVICE) { + extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; + *size = nand_dev_desc[num].totlen; + return 0; + } + + printf("no such NAND device: %s%d (valid range 0 ... %d)\n", + MTD_DEV_TYPE(type), num, CFG_MAX_NAND_DEVICE - 1); +#else + printf("support for NAND devices not present\n"); +#endif + } + + return 1; +} + +#ifdef CONFIG_JFFS2_CMDLINE +/** + * Delete all mtd devices from a supplied devices list, free memory allocated for + * each device and delete all device partitions. + * + * @return 0 on success, 1 otherwise + */ +static int device_delall(struct list_head *head) +{ + struct list_head *entry, *n; + struct mtd_device *dev_tmp; + + /* clean devices list */ + list_for_each_safe(entry, n, head) { + dev_tmp = list_entry(entry, struct mtd_device, link); + list_del(entry); + part_delall(&dev_tmp->parts); + free(dev_tmp); + } + INIT_LIST_HEAD(&devices); + + return 0; +} + +/** + * If provided device exists it's partitions are deleted, device is removed + * from device list and device memory is freed. + * + * @param dev device to be deleted + * @return 0 on success, 1 otherwise + */ +static int device_del(struct mtd_device *dev) +{ + part_delall(&dev->parts); + list_del(&dev->link); + free(dev); + + if (dev == current_dev) { + /* we just deleted current device */ + if (list_empty(&devices)) { + current_dev = NULL; + } else { + /* reset first partition from first dev from the + * devices list as current */ + current_dev = list_entry(devices.next, struct mtd_device, link); + current_partnum = 0; + } + current_save(); + } + + + return 0; +} + +/** + * Search global device list and return pointer to the device of type and num + * specified. + * + * @param type device type + * @param num device number + * @return NULL if requested device does not exist + */ +static struct mtd_device* device_find(u8 type, u8 num) +{ + struct list_head *entry; + struct mtd_device *dev_tmp; + + list_for_each(entry, &devices) { + dev_tmp = list_entry(entry, struct mtd_device, link); + + if ((dev_tmp->id->type == type) && (dev_tmp->id->num == num)) + return dev_tmp; + } + + return NULL; +} + +/** + * Add specified device to the global device list. + * + * @param dev device to be added + */ +static void device_add(struct mtd_device *dev) +{ + if (list_empty(&devices)) { + current_dev = dev; + current_partnum = 0; + current_save(); + } + + list_add_tail(&dev->link, &devices); +} + +/** + * Parse device type, name and mtd-id. If syntax is ok allocate memory and + * return pointer to the device structure. + * + * @param mtd_dev pointer to the device definition string i.e. + * @param ret output pointer to next char after parse completes (output) + * @param retdev pointer to the allocated device (output) + * @return 0 on success, 1 otherwise + */ +static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_device **retdev) +{ + struct mtd_device *dev; + struct part_info *part; + struct mtdids *id; + const char *mtd_id; + unsigned int mtd_id_len; + const char *p, *pend; + LIST_HEAD(tmp_list); + struct list_head *entry, *n; + u16 num_parts; + u32 offset; + int err = 1; + + p = mtd_dev; + *retdev = NULL; + *ret = NULL; + + DEBUGF("===device_parse===\n"); + + /* fetch */ + mtd_id = p; + if (!(p = strchr(mtd_id, ':'))) { + printf("no identifier\n"); + return 1; + } + mtd_id_len = p - mtd_id + 1; + p++; + + /* verify if we have a valid device specified */ + if ((id = id_find_by_mtd_id(mtd_id, mtd_id_len - 1)) == NULL) { + printf("invalid mtd device '%.*s'\n", mtd_id_len - 1, mtd_id); + return 1; + } + + DEBUGF("dev type = %d (%s), dev num = %d, mtd-id = %s\n", + id->type, MTD_DEV_TYPE(id->type), + id->num, id->mtd_id); + pend = strchr(p, ';'); + DEBUGF("parsing partitions %.*s\n", (pend ? pend - p : strlen(p)), p); + + + /* parse partitions */ + num_parts = 0; + + offset = 0; + if ((dev = device_find(id->type, id->num)) != NULL) { + /* if device already exists start at the end of the last partition */ + part = list_entry(dev->parts.prev, struct part_info, link); + offset = part->offset + part->size; + } + + while (p && (*p != '\0') && (*p != ';')) { + err = 1; + if ((part_parse(p, &p, &part) != 0) || (!part)) + break; + + /* calculate offset when not specified */ + if (part->offset == OFFSET_NOT_SPECIFIED) + part->offset = offset; + else + offset = part->offset; + + /* verify alignment and size */ + if (part_validate(id, part) != 0) + break; + + offset += part->size; + + /* partition is ok, add it to the list */ + list_add_tail(&part->link, &tmp_list); + num_parts++; + err = 0; + } + if (err == 1) { + part_delall(&tmp_list); + return 1; + } + + if (num_parts == 0) { + printf("no partitions for device %s%d (%s)\n", + MTD_DEV_TYPE(id->type), id->num, id->mtd_id); + return 1; + } + + DEBUGF("\ntotal partitions: %d\n", num_parts); + + /* check for next device presence */ + if (p) { + if (*p == ';') { + *ret = ++p; + } else if (*p == '\0') { + *ret = p; + } else { + printf("unexpected character '%c' at the end of device\n", *p); + *ret = NULL; + return 1; + } + } + + /* allocate memory for mtd_device structure */ + if ((dev = (struct mtd_device *)malloc(sizeof(struct mtd_device))) == NULL) { + printf("out of memory\n"); + return 1; + } + memset(dev, 0, sizeof(struct mtd_device)); + dev->id = id; + dev->num_parts = num_parts; + INIT_LIST_HEAD(&dev->parts); + INIT_LIST_HEAD(&dev->link); + + /* move partitions from tmp_list to dev->parts */ + list_for_each_safe(entry, n, &tmp_list) { + part = list_entry(entry, struct part_info, link); + list_del(entry); + if (part_sort_add(dev, part) != 0) { + device_del(dev); + return 1; + } + } + + *retdev = dev; + + DEBUGF("===\n\n"); + return 0; +} + +/** + * Initialize global device list. + * + * @return 0 on success, 1 otherwise + */ +static int devices_init(void) +{ + last_parts[0] = '\0'; + current_dev = NULL; + current_save(); + + return device_delall(&devices); +} + +/* + * Search global mtdids list and find id of requested type and number. + * + * @return pointer to the id if it exists, NULL otherwise + */ +static struct mtdids* id_find(u8 type, u8 num) +{ + struct list_head *entry; + struct mtdids *id; + + list_for_each(entry, &mtdids) { + id = list_entry(entry, struct mtdids, link); + + if ((id->type == type) && (id->num == num)) + return id; + } + + return NULL; +} + +/** + * Search global mtdids list and find id of a requested mtd_id. + * + * Note: first argument is not null terminated. + * + * @param mtd_id string containing requested mtd_id + * @param mtd_id_len length of supplied mtd_id + * @return pointer to the id if it exists, NULL otherwise + */ +static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_len) +{ + struct list_head *entry; + struct mtdids *id; + + DEBUGF("--- id_find_by_mtd_id: '%.*s' (len = %d)\n", + mtd_id_len, mtd_id, mtd_id_len); + + list_for_each(entry, &mtdids) { + id = list_entry(entry, struct mtdids, link); + + DEBUGF("entry: '%s' (len = %d)\n", + id->mtd_id, strlen(id->mtd_id)); + + if (mtd_id_len != strlen(id->mtd_id)) + continue; + if (strncmp(id->mtd_id, mtd_id, mtd_id_len) == 0) + return id; + } + + return NULL; +} +#endif /* #ifdef CONFIG_JFFS2_CMDLINE */ + +/** + * Parse device id string := 'nand'|'nor', return device + * type and number. + * + * @param id string describing device id + * @param ret_id output pointer to next char after parse completes (output) + * @param dev_type parsed device type (output) + * @param dev_num parsed device number (output) + * @return 0 on success, 1 otherwise + */ +int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num) +{ + const char *p = id; + + *dev_type = 0; + if (strncmp(p, "nand", 4) == 0) { + *dev_type = MTD_DEV_TYPE_NAND; + p += 4; + } else if (strncmp(p, "nor", 3) == 0) { + *dev_type = MTD_DEV_TYPE_NOR; + p += 3; + } else { + printf("incorrect device type in %s\n", id); + return 1; + } + + if (!isdigit(*p)) { + printf("incorrect device number in %s\n", id); + return 1; + } + + *dev_num = simple_strtoul(p, (char **)&p, 0); + if (ret_id) + *ret_id = p; + return 0; +} + +#ifdef CONFIG_JFFS2_CMDLINE +/** + * Process all devices and generate corresponding mtdparts string describing + * all partitions on all devices. + * + * @param buf output buffer holding generated mtdparts string (output) + * @param buflen buffer size + * @return 0 on success, 1 otherwise + */ +static int generate_mtdparts(char *buf, u32 buflen) +{ + struct list_head *pentry, *dentry; + struct mtd_device *dev; + struct part_info *part, *prev_part; + char *p = buf; + char tmpbuf[32]; + u32 size, offset, len, part_cnt; + u32 maxlen = buflen - 1; + + DEBUGF("--- generate_mtdparts ---\n"); + + if (list_empty(&devices)) { + buf[0] = '\0'; + return 0; + } + + sprintf(p, "mtdparts="); + p += 9; + + list_for_each(dentry, &devices) { + dev = list_entry(dentry, struct mtd_device, link); + + /* copy mtd_id */ + len = strlen(dev->id->mtd_id) + 1; + if (len > maxlen) + goto cleanup; + memcpy(p, dev->id->mtd_id, len - 1); + p += len - 1; + *(p++) = ':'; + maxlen -= len; + + /* format partitions */ + prev_part = NULL; + part_cnt = 0; + list_for_each(pentry, &dev->parts) { + part = list_entry(pentry, struct part_info, link); + size = part->size; + offset = part->offset; + part_cnt++; + + /* partition size */ + memsize_format(tmpbuf, size); + len = strlen(tmpbuf); + if (len > maxlen) + goto cleanup; + memcpy(p, tmpbuf, len); + p += len; + maxlen -= len; + + + /* add offset only when there is a gap between + * partitions */ + if ((!prev_part && (offset != 0)) || + (prev_part && ((prev_part->offset + prev_part->size) != part->offset))) { + + memsize_format(tmpbuf, offset); + len = strlen(tmpbuf) + 1; + if (len > maxlen) + goto cleanup; + *(p++) = '@'; + memcpy(p, tmpbuf, len - 1); + p += len - 1; + maxlen -= len; + } + + /* copy name only if user supplied */ + if(!part->auto_name) { + len = strlen(part->name) + 2; + if (len > maxlen) + goto cleanup; + + *(p++) = '('; + memcpy(p, part->name, len - 2); + p += len - 2; + *(p++) = ')'; + maxlen -= len; + } + + /* ro mask flag */ + if (part->mask_flags && MTD_WRITEABLE) { + len = 2; + if (len > maxlen) + goto cleanup; + *(p++) = 'r'; + *(p++) = 'o'; + maxlen -= 2; + } + + /* print ',' separator if there are other partitions + * following */ + if (dev->num_parts > part_cnt) { + if (1 > maxlen) + goto cleanup; + *(p++) = ','; + maxlen--; + } + prev_part = part; + } + /* print ';' separator if there are other devices following */ + if (dentry->next != &devices) { + if (1 > maxlen) + goto cleanup; + *(p++) = ';'; + maxlen--; + } + } + + /* we still have at least one char left, as we decremented maxlen at + * the begining */ + *p = '\0'; + + return 0; + +cleanup: + last_parts[0] = '\0'; + return 1; +} + +/** + * Call generate_mtdparts to process all devices and generate corresponding + * mtdparts string, save it in mtdparts environment variable. + * + * @param buf output buffer holding generated mtdparts string (output) + * @param buflen buffer size + * @return 0 on success, 1 otherwise + */ +static int generate_mtdparts_save(char *buf, u32 buflen) +{ + int ret; + + ret = generate_mtdparts(buf, buflen); + + if ((buf[0] != '\0') && (ret == 0)) + setenv("mtdparts", buf); + else + setenv("mtdparts", NULL); + + return ret; +} + +/** + * Format and print out a partition list for each device from global device + * list. + */ +static void list_partitions(void) +{ + struct list_head *dentry, *pentry; + struct part_info *part; + struct mtd_device *dev; + int part_num; + + DEBUGF("\n---list_partitions---\n"); + list_for_each(dentry, &devices) { + dev = list_entry(dentry, struct mtd_device, link); + printf("\ndevice %s%d <%s>, # parts = %d\n", + MTD_DEV_TYPE(dev->id->type), dev->id->num, + dev->id->mtd_id, dev->num_parts); + printf(" #: name\t\t\tsize\t\toffset\t\tmask_flags\n"); + + /* list partitions for given device */ + part_num = 0; + list_for_each(pentry, &dev->parts) { + part = list_entry(pentry, struct part_info, link); + printf(" %d: %-22s\t0x%08x\t0x%08x\t%d\n", + part_num, part->name, part->size, + part->offset, part->mask_flags); + + part_num++; + } + } + if (list_empty(&devices)) + printf("no partitions defined\n"); + + /* current_dev is not NULL only when we have non empty device list */ + if (current_dev) { + part = jffs2_part_info(current_dev, current_partnum); + if (part) { + printf("\nactive partition: %s%d,%d - (%s) 0x%08lx @ 0x%08lx\n", + MTD_DEV_TYPE(current_dev->id->type), + current_dev->id->num, current_partnum, + part->name, part->size, part->offset); + } else { + printf("could not get current partition info\n\n"); + } + } + + printf("\ndefaults:\n"); + printf("mtdids : %s\n", mtdids_default); + printf("mtdparts: %s\n", mtdparts_default); +} + +/** + * Given partition identifier in form of , find + * corresponding device and verify partition number. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. + * @param id string describing device and partition + * @param dev pointer to the requested device (output) + * @param part_num verified partition number (output) + * @param part pointer to requested partition (output) + * @return 0 on success, 1 otherwise + */ +int find_dev_and_part(const char *id, struct mtd_device **dev, + u8 *part_num, struct part_info **part) +{ + u8 type, dnum, pnum; + const char *p; + + DEBUGF("--- find_dev_and_part ---\nid = %s\n", id); + + p = id; + *dev = NULL; + *part = NULL; + *part_num = 0; + + if (id_parse(p, &p, &type, &dnum) != 0) + return 1; + + if ((*p++ != ',') || (*p == '\0')) { + printf("no partition number specified\n"); + return 1; + } + pnum = simple_strtoul(p, (char **)&p, 0); + if (*p != '\0') { + printf("unexpected trailing character '%c'\n", *p); + return 1; + } + + if ((*dev = device_find(type, dnum)) == NULL) { + printf("no such device %s%d\n", MTD_DEV_TYPE(type), dnum); + return 1; + } + + if ((*part = jffs2_part_info(*dev, pnum)) == NULL) { + printf("no such partition\n"); + *dev = NULL; + return 1; + } + + *part_num = pnum; + + return 0; +} + +/** + * Find and delete partition. For partition id format see find_dev_and_part(). * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * @param id string describing device and partition + * @return 0 on success, 1 otherwise + */ +static int delete_partition(const char *id) +{ + u8 pnum; + struct mtd_device *dev; + struct part_info *part; + + if (find_dev_and_part(id, &dev, &pnum, &part) == 0) { + + DEBUGF("delete_partition: device = %s%d, partition %d = (%s) 0x%08lx@0x%08lx\n", + MTD_DEV_TYPE(dev->id->type), dev->id->num, pnum, + part->name, part->size, part->offset); + + if (part_del(dev, part) != 0) + return 1; + + if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { + printf("generated mtdparts too long, reseting to null\n"); + return 1; + } + return 0; + } + + printf("partition %s not found\n", id); + return 1; +} + +/** + * Accept character string describing mtd partitions and call device_parse() + * for each entry. Add created devices to the global devices list. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * @param mtdparts string specifing mtd partitions + * @return 0 on success, 1 otherwise */ +static int parse_mtdparts(const char *const mtdparts) +{ + const char *p = mtdparts; + struct mtd_device *dev; + int err = 1; -/* - * Boot support + DEBUGF("\n---parse_mtdparts---\nmtdparts = %s\n\n", p); + + /* delete all devices and partitions */ + if (devices_init() != 0) { + printf("could not initialise device list\n"); + return err; + } + + /* re-read 'mtdparts' variable, devices_init may be updating env */ + p = getenv("mtdparts"); + + if (strncmp(p, "mtdparts=", 9) != 0) { + printf("mtdparts variable doesn't start with 'mtdparts='\n"); + return err; + } + p += 9; + + while (p && (*p != '\0')) { + err = 1; + if ((device_parse(p, &p, &dev) != 0) || (!dev)) + break; + + DEBUGF("+ device: %s\t%d\t%s\n", MTD_DEV_TYPE(dev->id->type), + dev->id->num, dev->id->mtd_id); + + /* check if parsed device is already on the list */ + if (device_find(dev->id->type, dev->id->num) != NULL) { + printf("device %s%d redefined, please correct mtdparts variable\n", + MTD_DEV_TYPE(dev->id->type), dev->id->num); + break; + } + + list_add_tail(&dev->link, &devices); + err = 0; + } + if (err == 1) { + device_delall(&devices); + return 1; + } + + return 0; +} + +/** + * Parse provided string describing mtdids mapping (see file header for mtdids + * variable format). Allocate memory for each entry and add all found entries + * to the global mtdids list. + * + * @param ids mapping string + * @return 0 on success, 1 otherwise */ -#include -#include -#include -#include -#include +static int parse_mtdids(const char *const ids) +{ + const char *p = ids; + const char *mtd_id; + int mtd_id_len; + struct mtdids *id; + struct list_head *entry, *n; + struct mtdids *id_tmp; + u8 type, num; + u32 size; + int ret = 1; -#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) + DEBUGF("\n---parse_mtdids---\nmtdids = %s\n\n", ids); -#include + /* clean global mtdids list */ + list_for_each_safe(entry, n, &mtdids) { + id_tmp = list_entry(entry, struct mtdids, link); + DEBUGF("mtdids del: %d %d\n", id_tmp->type, id_tmp->num); + list_del(entry); + free(id_tmp); + } + last_ids[0] = '\0'; + INIT_LIST_HEAD(&mtdids); -extern int cramfs_check (struct part_info *info); -extern int cramfs_load (char *loadoffset, struct part_info *info, char *filename); -extern int cramfs_ls (struct part_info *info, char *filename); -extern int cramfs_info (struct part_info *info); + while(p && (*p != '\0')) { + + ret = 1; + /* parse 'nor'|'nand' */ + if (id_parse(p, &p, &type, &num) != 0) + break; + + if (*p != '=') { + printf("mtdids: incorrect \n"); + break; + } + p++; + + /* check if requested device exists */ + if (device_validate(type, num, &size) != 0) + return 1; + + /* locate */ + mtd_id = p; + if ((p = strchr(mtd_id, ',')) != NULL) { + mtd_id_len = p - mtd_id + 1; + p++; + } else { + mtd_id_len = strlen(mtd_id) + 1; + } + if (mtd_id_len == 0) { + printf("mtdids: no identifier\n"); + break; + } -static int part_num=0; + /* check if this id is already on the list */ + int double_entry = 0; + list_for_each(entry, &mtdids) { + id_tmp = list_entry(entry, struct mtdids, link); + if ((id_tmp->type == type) && (id_tmp->num == num)) { + double_entry = 1; + break; + } + } + if (double_entry) { + printf("device id %s%d redefined, please correct mtdids variable\n", + MTD_DEV_TYPE(type), num); + break; + } -#ifndef CFG_JFFS_CUSTOM_PART + /* allocate mtdids structure */ + if (!(id = (struct mtdids *)malloc(sizeof(struct mtdids) + mtd_id_len))) { + printf("out of memory\n"); + break; + } + memset(id, 0, sizeof(struct mtdids) + mtd_id_len); + id->num = num; + id->type = type; + id->size = size; + id->mtd_id = (char *)(id + 1); + strncpy(id->mtd_id, mtd_id, mtd_id_len - 1); + id->mtd_id[mtd_id_len - 1] = '\0'; + INIT_LIST_HEAD(&id->link); -#define CFG_JFFS_SINGLE_PART 1 + DEBUGF("+ id %s%d\t%16d bytes\t%s\n", + MTD_DEV_TYPE(id->type), id->num, + id->size, id->mtd_id); -static struct part_info part; + list_add_tail(&id->link, &mtdids); + ret = 0; + } + if (ret == 1) { + /* clean mtdids list and free allocated memory */ + list_for_each_safe(entry, n, &mtdids) { + id_tmp = list_entry(entry, struct mtdids, link); + list_del(entry); + free(id_tmp); + } + return 1; + } -#ifndef CONFIG_JFFS2_NAND + return 0; +} -struct part_info* -jffs2_part_info(int part_num) +/** + * Parse and initialize global mtdids mapping and create global + * device/partition list. + * + * @return 0 on success, 1 otherwise + */ +int mtdparts_init(void) { - extern flash_info_t flash_info[]; /* info for FLASH chips */ - int i; + static int initialized = 0; + const char *ids, *parts; + const char *current_partition; + int ids_changed; + char tmp_ep[PARTITION_MAXLEN]; + + DEBUGF("\n---mtdparts_init---\n"); + if (!initialized) { + INIT_LIST_HEAD(&mtdids); + INIT_LIST_HEAD(&devices); + memset(last_ids, 0, MTDIDS_MAXLEN); + memset(last_parts, 0, MTDPARTS_MAXLEN); + memset(last_partition, 0, PARTITION_MAXLEN); + initialized = 1; + } + + /* get variables */ + ids = getenv("mtdids"); + parts = getenv("mtdparts"); + current_partition = getenv("partition"); + + /* save it for later parsing, cannot rely on current partition pointer + * as 'partition' variable may be updated during init */ + tmp_ep[0] = '\0'; + if (current_partition) + strncpy(tmp_ep, current_partition, PARTITION_MAXLEN); + + DEBUGF("last_ids : %s\n", last_ids); + DEBUGF("env_ids : %s\n", ids); + DEBUGF("last_parts: %s\n", last_parts); + DEBUGF("env_parts : %s\n\n", parts); + + DEBUGF("last_partition : %s\n", last_partition); + DEBUGF("env_partition : %s\n", current_partition); + + /* if mtdids varible is empty try to use defaults */ + if (!ids) { + if (mtdids_default) { + DEBUGF("mtdids variable not defined, using default\n"); + ids = mtdids_default; + setenv("mtdids", (char *)ids); + } else { + printf("mtdids not defined, no default present\n"); + return 1; + } + } + if (strlen(ids) > MTDIDS_MAXLEN - 1) { + printf("mtdids too long (> %d)\n", MTDIDS_MAXLEN); + return 1; + } - if(part_num==0){ + /* do no try to use defaults when mtdparts variable is not defined, + * just check the length */ + if (!parts) + printf("mtdparts variable not set, see 'help mtdparts'\n"); - if(part.usr_priv==(void*)1) - return ∂ + if (parts && (strlen(parts) > MTDPARTS_MAXLEN - 1)) { + printf("mtdparts too long (> %d)\n", MTDPARTS_MAXLEN); + return 1; + } + + /* check if we have already parsed those mtdids */ + if ((last_ids[0] != '\0') && (strcmp(last_ids, ids) == 0)) { + ids_changed = 0; + } else { + ids_changed = 1; + + if (parse_mtdids(ids) != 0) { + device_delall(&devices); + return 1; + } + + /* ok it's good, save new ids */ + strncpy(last_ids, ids, MTDIDS_MAXLEN); + } + + /* parse partitions if either mtdparts or mtdids were updated */ + if (parts && ((last_parts[0] == '\0') || ((strcmp(last_parts, parts) != 0)) || ids_changed)) { + if (parse_mtdparts(parts) != 0) + return 1; + + if (list_empty(&devices)) { + printf("mtdparts_init: no valid partitions\n"); + return 1; + } + + /* ok it's good, save new parts */ + strncpy(last_parts, parts, MTDPARTS_MAXLEN); + + /* reset first partition from first dev from the list as current */ + current_dev = list_entry(devices.next, struct mtd_device, link); + current_partnum = 0; + current_save(); + + DEBUGF("mtdparts_init: current_dev = %s%d, current_partnum = %d\n", + MTD_DEV_TYPE(current_dev->id->type), + current_dev->id->num, current_partnum); + } + + /* mtdparts variable was reset to NULL, delete all devices/partitions */ + if (!parts && (last_parts[0] != '\0')) + return devices_init(); + + /* do not process current partition if mtdparts variable is null */ + if (!parts) + return 0; + + /* is current partition set in environment? if so, use it */ + if ((tmp_ep[0] != '\0') && (strcmp(tmp_ep, last_partition) != 0)) { + struct part_info *p; + struct mtd_device *cdev; + u8 pnum; + + DEBUGF("--- getting current partition: %s\n", tmp_ep); + + if (find_dev_and_part(tmp_ep, &cdev, &pnum, &p) == 0) { + current_dev = cdev; + current_partnum = pnum; + current_save(); + } + } else if (getenv("partition") == NULL) { + DEBUGF("no partition variable set, setting...\n"); + current_save(); + } + + return 0; +} +#else /* #ifdef CONFIG_JFFS2_CMDLINE */ +/* + * 'Static' version of command line mtdparts_init() routine. Single partition on + * a single device configuration. + */ + +/** + * Parse and initialize global mtdids mapping and create global + * device/partition list. + * + * @return 0 on success, 1 otherwise + */ +int mtdparts_init(void) +{ + static int initialized = 0; + u32 size; + char *dev_name; + + DEBUGF("\n---mtdparts_init---\n"); + if (!initialized) { + initialized = 1; + current_dev = (struct mtd_device *) + malloc(sizeof(struct mtd_device) + + sizeof(struct part_info) + + sizeof(struct mtdids)); + if (!current_dev) { + printf("out of memory\n"); + return 1; + } + memset(current_dev, 0, sizeof(struct mtd_device) + + sizeof(struct part_info) + sizeof(struct mtdids)); + + struct mtdids *id = (struct mtdids *)(current_dev + 1); + struct part_info *part = (struct part_info *)(id + 1); - memset(&part, 0, sizeof(part)); + /* id */ + id->mtd_id = "single part"; -#if defined(CFG_JFFS2_FIRST_SECTOR) - part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR]; +#if defined(CONFIG_JFFS2_DEV) + dev_name = CONFIG_JFFS2_DEV; #else - part.offset = (unsigned char *) flash_info[CFG_JFFS2_FIRST_BANK].start[0]; + dev_name = "nor0"; #endif - /* Figure out flash partition size */ - for (i = CFG_JFFS2_FIRST_BANK; i < CFG_JFFS2_NUM_BANKS+CFG_JFFS2_FIRST_BANK; i++) - part.size += flash_info[i].size; + if ((id_parse(dev_name, NULL, &id->type, &id->num) != 0) || + (device_validate(id->type, id->num, &size) != 0)) { + printf("incorrect device: %s%d\n", MTD_DEV_TYPE(id->type), id->num); + free(current_dev); + return 1; + } + id->size = size; + INIT_LIST_HEAD(&id->link); + + DEBUGF("dev id: type = %d, num = %d, size = 0x%08lx, mtd_id = %s\n", + id->type, id->num, id->size, id->mtd_id); + + /* partition */ + part->name = "static"; + part->auto_name = 0; + +#if defined(CONFIG_JFFS2_PART_SIZE) + part->size = CONFIG_JFFS2_PART_SIZE; +#else + part->size = SIZE_REMAINING; +#endif -#if defined(CFG_JFFS2_FIRST_SECTOR) && (CFG_JFFS2_FIRST_SECTOR > 0) - part.size -= - flash_info[CFG_JFFS2_FIRST_BANK].start[CFG_JFFS2_FIRST_SECTOR] - - flash_info[CFG_JFFS2_FIRST_BANK].start[0]; +#if defined(CONFIG_JFFS2_PART_OFFSET) + part->offset = CONFIG_JFFS2_PART_OFFSET; +#else + part->offset = 0x00000000; #endif - /* Mark the struct as ready */ - part.usr_priv=(void*)1; + part->dev = current_dev; + INIT_LIST_HEAD(&part->link); + + /* recalculate size if needed */ + if (part->size == SIZE_REMAINING) + part->size = id->size - part->offset; - return ∂ + DEBUGF("part : name = %s, size = 0x%08lx, offset = 0x%08lx\n", + part->name, part->size, part->offset); + + /* device */ + current_dev->id = id; + INIT_LIST_HEAD(¤t_dev->link); + current_dev->num_parts = 1; + INIT_LIST_HEAD(¤t_dev->parts); + list_add(&part->link, ¤t_dev->parts); } + return 0; } +#endif /* #ifdef CONFIG_JFFS2_CMDLINE */ -#else /* CONFIG_JFFS2_NAND */ - -struct part_info* -jffs2_part_info(int part_num) +/** + * Return pointer to the partition of a requested number from a requested + * device. + * + * @param dev device that is to be searched for a partition + * @param part_num requested partition number + * @return pointer to the part_info, NULL otherwise + */ +static struct part_info* jffs2_part_info(struct mtd_device *dev, unsigned int part_num) { - if(part_num==0){ + struct list_head *entry; + struct part_info *part; + int num; - if(part.usr_priv==(void*)1) - return ∂ + if (!dev) + return NULL; - memset(&part, 0, sizeof(part)); + DEBUGF("\n--- jffs2_part_info: partition number %d for device %s%d (%s)\n", + part_num, MTD_DEV_TYPE(dev->id->type), + dev->id->num, dev->id->mtd_id); - part.offset = (char *)CONFIG_JFFS2_NAND_OFF; - part.size = CONFIG_JFFS2_NAND_SIZE; /* the bigger size the slower jffs2 */ + if (part_num >= dev->num_parts) { + printf("invalid partition number %d for device %s%d (%s)\n", + part_num, MTD_DEV_TYPE(dev->id->type), + dev->id->num, dev->id->mtd_id); + return NULL; + } -#ifndef CONFIG_JFFS2_NAND_DEV -#define CONFIG_JFFS2_NAND_DEV 0 -#endif - /* nand device with the JFFS2 parition plus 1 */ - part.usr_priv = (void*)(CONFIG_JFFS2_NAND_DEV+1); - return ∂ + /* locate partition number, return it */ + num = 0; + list_for_each(entry, &dev->parts) { + part = list_entry(entry, struct part_info, link); + + if (part_num == num++) { + return part; + } } - return 0; + + return NULL; } -#endif /* CONFIG_JFFS2_NAND */ -#endif /* ifndef CFG_JFFS_CUSTOM_PART */ +/***************************************************/ +/* U-boot commands */ +/***************************************************/ -int -do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +/** + * Routine implementing fsload u-boot command. This routine tries to load + * a requested file from jffs2/cramfs filesystem on a current partition. + * + * @param cmdtp command internal data + * @param flag command flag + * @param argc number of arguments supplied to the command + * @param argv arguments list + * @return 0 on success, 1 otherwise + */ +int do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - struct part_info* jffs2_part_info(int); - int jffs2_1pass_load(char *, struct part_info *,const char *); char *fsname; char *filename; int size; @@ -143,7 +1778,11 @@ do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) filename = argv[2]; } - if (0 != (part=jffs2_part_info(part_num))){ + /* make sure we are in sync with env variables */ + if (mtdparts_init() !=0) + return 1; + + if ((part = jffs2_part_info(current_dev, current_partnum))){ /* check partition type for cramfs */ fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); @@ -168,15 +1807,21 @@ do_jffs2_fsload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return !(size > 0); } - puts ("Active partition not valid\n"); return 0; } -int -do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +/** + * Routine implementing u-boot ls command which lists content of a given + * directory on a current partition. + * + * @param cmdtp command internal data + * @param flag command flag + * @param argc number of arguments supplied to the command + * @param argv arguments list + * @return 0 on success, 1 otherwise + */ +int do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - struct part_info* jffs2_part_info(int); - int jffs2_1pass_ls(struct part_info *,char *); char *filename = "/"; int ret; struct part_info *part; @@ -184,7 +1829,11 @@ do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) if (argc == 2) filename = argv[1]; - if (0 != (part=jffs2_part_info(part_num))){ + /* make sure we are in sync with env variables */ + if (mtdparts_init() !=0) + return 1; + + if ((part = jffs2_part_info(current_dev, current_partnum))){ /* check partition type for cramfs */ if (cramfs_check(part)) { @@ -196,20 +1845,30 @@ do_jffs2_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return (ret == 1); } - puts ("Active partition not valid\n"); return 0; } -int -do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +/** + * Routine implementing u-boot fsinfo command. This routine prints out + * miscellaneous filesystem informations/statistics. + * + * @param cmdtp command internal data + * @param flag command flag + * @param argc number of arguments supplied to the command + * @param argv arguments list + * @return 0 on success, 1 otherwise + */ +int do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - struct part_info* jffs2_part_info(int); - int jffs2_1pass_info(struct part_info *); struct part_info *part; char *fsname; int ret; - if ((part=jffs2_part_info(part_num))){ + /* make sure we are in sync with env variables */ + if (mtdparts_init() !=0) + return 1; + + if ((part = jffs2_part_info(current_dev, current_partnum))){ /* check partition type for cramfs */ fsname = (cramfs_check(part) ? "CRAMFS" : "JFFS2"); @@ -224,48 +1883,159 @@ do_jffs2_fsinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return (ret == 1); } - puts ("Active partition not valid\n"); return 0; } -#ifndef CFG_JFFS_SINGLE_PART -int -do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +/* command line only */ +#ifdef CONFIG_JFFS2_CMDLINE +/** + * Routine implementing u-boot chpart command. Sets new current partition based + * on the user supplied partition id. For partition id format see find_dev_and_part(). + * + * @param cmdtp command internal data + * @param flag command flag + * @param argc number of arguments supplied to the command + * @param argv arguments list + * @return 0 on success, 1 otherwise + */ +int do_jffs2_chpart(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - int tmp_part; - char str_part_num[3]; - struct part_info* jffs2_part_info(int); +/* command line only */ + struct mtd_device *dev; + struct part_info *part; + u8 pnum; - if (argc >= 2) { - tmp_part = simple_strtoul(argv[1], NULL, 16); - } else { - puts ("Need partition number in argument list\n"); - return 0; + if (mtdparts_init() !=0) + return 1; + + if (argc < 2) { + printf("no partition id specified\n"); + return 1; + } + + if (find_dev_and_part(argv[1], &dev, &pnum, &part) != 0) + return 1; + + current_dev = dev; + current_partnum = pnum; + current_save(); + + printf("partition changed to %s%d,%d\n", + MTD_DEV_TYPE(dev->id->type), dev->id->num, pnum); + + return 0; +} + +/** + * Routine implementing u-boot mtdparts command. Initialize/update default global + * partition list and process user partition request (list, add, del). + * + * @param cmdtp command internal data + * @param flag command flag + * @param argc number of arguments supplied to the command + * @param argv arguments list + * @return 0 on success, 1 otherwise + */ +int do_jffs2_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + if (argc == 2) { + if (strcmp(argv[1], "default") == 0) { + setenv("mtdids", (char *)mtdids_default); + setenv("mtdparts", (char *)mtdparts_default); + setenv("partition", NULL); + + mtdparts_init(); + return 0; + } else if (strcmp(argv[1], "delall") == 0) { + /* this may be the first run, initialize lists if needed */ + mtdparts_init(); + + setenv("mtdparts", NULL); + /* devices_init() calls current_save() */ + return devices_init(); + } } - if (jffs2_part_info(tmp_part)){ - printf("Partition changed to %d\n",tmp_part); - part_num=tmp_part; - sprintf(str_part_num, "%d", part_num); - setenv("partition", str_part_num); + /* make sure we are in sync with env variables */ + if (mtdparts_init() != 0) + return 1; + + if (argc == 1) { + list_partitions(); return 0; } + + /* mtdparts add [@] [ro] */ + if (((argc == 5) || (argc == 6)) && (strcmp(argv[1], "add") == 0)) { +#define PART_ADD_DESC_MAXLEN 64 + char tmpbuf[PART_ADD_DESC_MAXLEN]; + u8 type, num, len; + struct mtd_device *dev; + struct mtd_device *dev_tmp; + struct mtdids *id; + struct part_info *p; - printf("Partition %d is not valid partiton\n",tmp_part); - return 0; + if (id_parse(argv[2], NULL, &type, &num) != 0) + return 1; -} + if ((id = id_find(type, num)) == NULL) { + printf("no such device %s defined in mtdids variable\n", argv[2]); + return 1; + } -U_BOOT_CMD( - chpart, 2, 0, do_jffs2_chpart, - "chpart\t- change active partition\n", - " - change active partition\n" -); -#endif /* CFG_JFFS_SINGLE_PART */ + len = strlen(id->mtd_id) + 1; /* 'mtd_id:' */ + len += strlen(argv[3]); /* size@offset */ + len += strlen(argv[4]) + 2; /* '(' name ')' */ + if (argv[5] && (strlen(argv[5]) == 2)) + len += 2; /* 'ro' */ -/***************************************************/ + if (len >= PART_ADD_DESC_MAXLEN) { + printf("too long partition description\n"); + return 1; + } + sprintf(tmpbuf, "%s:%s(%s)%s", + id->mtd_id, argv[3], argv[4], argv[5] ? argv[5] : ""); + DEBUGF("add tmpbuf: %s\n", tmpbuf); + + if ((device_parse(tmpbuf, NULL, &dev) != 0) || (!dev)) + return 1; + DEBUGF("+ %s\t%d\t%s\n", MTD_DEV_TYPE(dev->id->type), + dev->id->num, dev->id->mtd_id); + + if ((dev_tmp = device_find(dev->id->type, dev->id->num)) == NULL) { + device_add(dev); + } else { + /* merge new partition with existing ones*/ + p = list_entry(dev->parts.next, struct part_info, link); + if (part_add(dev_tmp, p) != 0) { + device_del(dev); + return 1; + } + } + + if (generate_mtdparts_save(last_parts, MTDPARTS_MAXLEN) != 0) { + printf("generated mtdparts too long, reseting to null\n"); + return 1; + } + + return 0; + } + + /* mtdparts del part-id */ + if ((argc == 3) && (strcmp(argv[1], "del") == 0)) { + DEBUGF("del: part-id = %s\n", argv[2]); + + return delete_partition(argv[2]); + } + + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; +} +#endif /* #ifdef CONFIG_JFFS2_CMDLINE */ + +/***************************************************/ U_BOOT_CMD( fsload, 3, 0, do_jffs2_fsload, "fsload\t- load binary file from a filesystem image\n", @@ -273,6 +2043,12 @@ U_BOOT_CMD( " - load binary file from flash bank\n" " with offset 'off'\n" ); +U_BOOT_CMD( + ls, 2, 1, do_jffs2_ls, + "ls\t- list files in a directory (default /)\n", + "[ directory ]\n" + " - list files in a directory.\n" +); U_BOOT_CMD( fsinfo, 1, 1, do_jffs2_fsinfo, @@ -280,11 +2056,50 @@ U_BOOT_CMD( " - print information about filesystems\n" ); +#ifdef CONFIG_JFFS2_CMDLINE U_BOOT_CMD( - ls, 2, 1, do_jffs2_ls, - "ls\t- list files in a directory (default /)\n", - "[ directory ]\n" - " - list files in a directory.\n" + chpart, 2, 0, do_jffs2_chpart, + "chpart\t- change active partition\n", + "part-id\n" + " - change active partition (e.g. part-id = nand0,1)\n" +); + +U_BOOT_CMD( + mtdparts, 6, 0, do_jffs2_mtdparts, + "mtdparts- define flash/nand partitions\n", + "\n" + " - list partition table\n" + "mtdparts delall\n" + " - delete all partitions\n" + "mtdparts del part-id\n" + " - delete partition (e.g. part-id = nand0,1)\n" + "mtdparts add [@] [] [ro]\n" + " - add partition\n" + "mtdparts default\n" + " - reset partition table to defaults\n\n" + "-----\n\n" + "this command uses three environment variables:\n\n" + "'partition' - keeps current partition identifier\n\n" + "partition := \n" + " := ,part_num\n\n" + "'mtdids' - linux kernel mtd device id <-> u-boot device id mapping\n\n" + "mtdids=[,,...]\n\n" + " := =\n" + " := 'nand'|'nor'\n" + " := mtd device number, 0...\n" + " := unique device tag used by linux kernel to find mtd device (mtd->name)\n\n" + "'mtdparts' - partition list\n\n" + "mtdparts=mtdparts=[;...]\n\n" + " := :[,...]\n" + " := unique device tag used by linux kernel to find mtd device (mtd->name)\n" + " := [@][][]\n" + " := standard linux memsize OR '-' to denote all remaining space\n" + " := partition start offset within the device\n" + " := '(' NAME ')'\n" + " := when set to 'ro' makes partition read-only (not used, passed to kernel)\n" ); +#endif /* #ifdef CONFIG_JFFS2_CMDLINE */ + +/***************************************************/ #endif /* CFG_CMD_JFFS2 */ diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c index 98ff567..f02bf3c 100644 --- a/fs/cramfs/cramfs.c +++ b/fs/cramfs/cramfs.c @@ -42,17 +42,22 @@ struct cramfs_super super; +/* CPU address space offset calculation macro, struct part_info offset is + * device address space offset, so we need to shift it by a device start address. */ +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; +#define PART_OFFSET(x) (x->offset + flash_info[x->dev->id->num].start[0]) + static int cramfs_read_super (struct part_info *info) { unsigned long root_offset; /* Read the first block and get the superblock from it */ - memcpy (&super, (void *) info->offset, sizeof (super)); + memcpy (&super, (void *) PART_OFFSET(info), sizeof (super)); /* Do sanity checks on the superblock */ if (super.magic != CRAMFS_32 (CRAMFS_MAGIC)) { /* check at 512 byte offset */ - memcpy (&super, (void *) info->offset + 512, sizeof (super)); + memcpy (&super, (void *) PART_OFFSET(info) + 512, sizeof (super)); if (super.magic != CRAMFS_32 (CRAMFS_MAGIC)) { printf ("cramfs: wrong magic\n"); return -1; @@ -87,7 +92,7 @@ static int cramfs_read_super (struct part_info *info) return 0; } -static unsigned long cramfs_resolve (char *begin, unsigned long offset, +static unsigned long cramfs_resolve (unsigned long begin, unsigned long offset, unsigned long size, int raw, char *filename) { @@ -150,7 +155,7 @@ static unsigned long cramfs_resolve (char *begin, unsigned long offset, return 0; } -static int cramfs_uncompress (char *begin, unsigned long offset, +static int cramfs_uncompress (unsigned long begin, unsigned long offset, unsigned long loadoffset) { struct cramfs_inode *inode = (struct cramfs_inode *) (begin + offset); @@ -187,7 +192,7 @@ int cramfs_load (char *loadoffset, struct part_info *info, char *filename) if (cramfs_read_super (info)) return -1; - offset = cramfs_resolve (info->offset, + offset = cramfs_resolve (PART_OFFSET(info), CRAMFS_GET_OFFSET (&(super.root)) << 2, CRAMFS_24 (super.root.size), 0, strtok (filename, "/")); @@ -195,14 +200,14 @@ int cramfs_load (char *loadoffset, struct part_info *info, char *filename) if (offset <= 0) return offset; - return cramfs_uncompress (info->offset, offset, + return cramfs_uncompress (PART_OFFSET(info), offset, (unsigned long) loadoffset); } static int cramfs_list_inode (struct part_info *info, unsigned long offset) { struct cramfs_inode *inode = (struct cramfs_inode *) - (info->offset + offset); + (PART_OFFSET(info) + offset); char *name, str[20]; int namelen, nextoff; @@ -233,7 +238,7 @@ static int cramfs_list_inode (struct part_info *info, unsigned long offset) unsigned long size = CRAMFS_24 (inode->size); char *link = malloc (size); - if (link != NULL && cramfs_uncompress (info->offset, offset, + if (link != NULL && cramfs_uncompress (PART_OFFSET(info), offset, (unsigned long) link) == size) printf (" -> %*.*s\n", (int) size, (int) size, link); @@ -262,7 +267,7 @@ int cramfs_ls (struct part_info *info, char *filename) size = CRAMFS_24 (super.root.size); } else { /* Resolve the path */ - offset = cramfs_resolve (info->offset, + offset = cramfs_resolve (PART_OFFSET(info), CRAMFS_GET_OFFSET (&(super.root)) << 2, CRAMFS_24 (super.root.size), 1, strtok (filename, "/")); @@ -271,7 +276,7 @@ int cramfs_ls (struct part_info *info, char *filename) return offset; /* Resolving was successful. Examine the inode */ - inode = (struct cramfs_inode *) (info->offset + offset); + inode = (struct cramfs_inode *) (PART_OFFSET(info) + offset); if (!S_ISDIR (CRAMFS_16 (inode->mode))) { /* It's not a directory - list it, and that's that */ return (cramfs_list_inode (info, offset) > 0); @@ -284,7 +289,7 @@ int cramfs_ls (struct part_info *info, char *filename) /* List the given directory */ while (inodeoffset < size) { - inode = (struct cramfs_inode *) (info->offset + offset + + inode = (struct cramfs_inode *) (PART_OFFSET(info) + offset + inodeoffset); nextoffset = cramfs_list_inode (info, offset + inodeoffset); @@ -324,14 +329,17 @@ int cramfs_info (struct part_info *info) int cramfs_check (struct part_info *info) { - struct cramfs_super *sb = (struct cramfs_super *) info->offset; + struct cramfs_super *sb; + + if (info->dev->id->type != MTD_DEV_TYPE_NOR) + return 0; + sb = (struct cramfs_super *) PART_OFFSET(info); if (sb->magic != CRAMFS_32 (CRAMFS_MAGIC)) { /* check at 512 byte offset */ - sb = (struct cramfs_super *) (info->offset + 512); - if (sb->magic != CRAMFS_32 (CRAMFS_MAGIC)) { + sb = (struct cramfs_super *) (PART_OFFSET(info) + 512); + if (sb->magic != CRAMFS_32 (CRAMFS_MAGIC)) return 0; - } } return 1; } diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c index c3553cb..5180107 100644 --- a/fs/jffs2/jffs2_1pass.c +++ b/fs/jffs2/jffs2_1pass.c @@ -140,8 +140,10 @@ # define DEBUGF(fmt,args...) #endif -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) +/* keeps pointer to currentlu processed partition */ +static struct part_info *current_part; +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) /* * Support for jffs2 on top of NAND-flash * @@ -167,10 +169,10 @@ int read_jffs2_nand(size_t start, size_t len, static u8* nand_cache = NULL; static u32 nand_cache_off = (u32)-1; -static int nanddev = 0; /* nand device of current partition */ static int read_nand_cached(u32 off, u32 size, u_char *buf) { + struct mtdids *id = current_part->dev->id; u32 bytes_read = 0; size_t retlen; int cpy_bytes; @@ -190,10 +192,10 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf) } } if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE, - &retlen, nand_cache, nanddev) < 0 || - retlen != NAND_CACHE_SIZE) { + &retlen, nand_cache, id->num) < 0 || + retlen != NAND_CACHE_SIZE) { printf("read_nand_cached: error reading nand off %#x size %d bytes\n", - nand_cache_off, NAND_CACHE_SIZE); + nand_cache_off, NAND_CACHE_SIZE); return -1; } } @@ -208,12 +210,12 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf) return bytes_read; } -static void *get_fl_mem(u32 off, u32 size, void *ext_buf) +static void *get_fl_mem_nand(u32 off, u32 size, void *ext_buf) { u_char *buf = ext_buf ? (u_char*)ext_buf : (u_char*)malloc(size); if (NULL == buf) { - printf("get_fl_mem: can't alloc %d bytes\n", size); + printf("get_fl_mem_nand: can't alloc %d bytes\n", size); return NULL; } if (read_nand_cached(off, size, buf) < 0) { @@ -225,15 +227,15 @@ static void *get_fl_mem(u32 off, u32 size, void *ext_buf) return buf; } -static void *get_node_mem(u32 off) +static void *get_node_mem_nand(u32 off) { struct jffs2_unknown_node node; void *ret = NULL; - if (NULL == get_fl_mem(off, sizeof(node), &node)) + if (NULL == get_fl_mem_nand(off, sizeof(node), &node)) return NULL; - if (!(ret = get_fl_mem(off, node.magic == + if (!(ret = get_fl_mem_nand(off, node.magic == JFFS2_MAGIC_BITMASK ? node.totlen : sizeof(node), NULL))) { printf("off = %#x magic %#x type %#x node.totlen = %d\n", @@ -242,29 +244,88 @@ static void *get_node_mem(u32 off) return ret; } -static void put_fl_mem(void *buf) +static void put_fl_mem_nand(void *buf) { free(buf); } +#endif /* #if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ + + +#if (CONFIG_COMMANDS & CFG_CMD_FLASH) +/* + * Support for jffs2 on top of NOR-flash + * + * NOR flash memory is mapped in processor's address space, + * just return address. + */ +static inline void *get_fl_mem_nor(u32 off) +{ + u32 addr = off; + struct mtdids *id = current_part->dev->id; + + extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + flash_info_t *flash = &flash_info[id->num]; + + addr += flash->start[0]; + return (void*)addr; +} + +static inline void *get_node_mem_nor(u32 off) +{ + return (void*)get_fl_mem_nor(off); +} +#endif /* #if (CONFIG_COMMANDS & CFG_CMD_FLASH) */ -#else /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ +/* + * Generic jffs2 raw memory and node read routines. + * + */ static inline void *get_fl_mem(u32 off, u32 size, void *ext_buf) { + struct mtdids *id = current_part->dev->id; + +#if (CONFIG_COMMANDS & CFG_CMD_FLASH) + if (id->type == MTD_DEV_TYPE_NOR) + return get_fl_mem_nor(off); +#endif + +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + if (id->type == MTD_DEV_TYPE_NAND) + return get_fl_mem_nand(off, size, ext_buf); +#endif + + printf("get_fl_mem: unknown device type, using raw offset!\n"); return (void*)off; } static inline void *get_node_mem(u32 off) { + struct mtdids *id = current_part->dev->id; + +#if (CONFIG_COMMANDS & CFG_CMD_FLASH) + if (id->type == MTD_DEV_TYPE_NOR) + return get_node_mem_nor(off); +#endif + +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + if (id->type == MTD_DEV_TYPE_NAND) + return get_node_mem_nand(off); +#endif + + printf("get_node_mem: unknown device type, using raw offset!\n"); return (void*)off; } static inline void put_fl_mem(void *buf) { -} - -#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + struct mtdids *id = current_part->dev->id; + if (id->type == MTD_DEV_TYPE_NAND) + return put_fl_mem_nand(buf); +#endif +} /* Compression names */ static char *compr_names[] = { @@ -457,8 +518,8 @@ static int compare_dirents(struct b_node *new, struct b_node *old) static u32 jffs2_scan_empty(u32 start_offset, struct part_info *part) { - char *max = part->offset + part->size - sizeof(struct jffs2_raw_inode); - char *offset = part->offset + start_offset; + char *max = (char *)(part->offset + part->size - sizeof(struct jffs2_raw_inode)); + char *offset = (char *)(part->offset + start_offset); u32 off; while (offset < max && @@ -468,11 +529,11 @@ jffs2_scan_empty(u32 start_offset, struct part_info *part) if (((u32)offset & ((1 << SPIN_BLKSIZE)-1)) == 0) break; } - return offset - part->offset; + return (u32)offset - part->offset; } -static u32 -jffs_init_1pass_list(struct part_info *part) +void +jffs2_free_cache(struct part_info *part) { struct b_lists *pL; @@ -482,6 +543,15 @@ jffs_init_1pass_list(struct part_info *part) free_nodes(&pL->dir); free(pL); } +} + +static u32 +jffs_init_1pass_list(struct part_info *part) +{ + struct b_lists *pL; + + jffs2_free_cache(part); + if (NULL != (part->jffs2_priv = malloc(sizeof(struct b_lists)))) { pL = (struct b_lists *)part->jffs2_priv; @@ -979,25 +1049,13 @@ jffs2_1pass_rescan_needed(struct part_info *part) DEBUGF ("rescan: First time in use\n"); return 1; } + /* if we have no list, we need to rescan */ if (pL->frag.listCount == 0) { DEBUGF ("rescan: fraglist zero\n"); return 1; } - /* or if we are scanning a new partition */ - if (pL->partOffset != part->offset) { - DEBUGF ("rescan: different partition\n"); - return 1; - } - -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) - if (nanddev != (int)part->usr_priv - 1) { - DEBUGF ("rescan: nand device changed\n"); - return -1; - } -#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ - /* but suppose someone reflashed a partition at the same offset... */ b = pL->dir.listHead; while (b) { @@ -1087,10 +1145,6 @@ jffs2_1pass_build_lists(struct part_info * part) u32 counterF = 0; u32 counterN = 0; -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) - nanddev = (int)part->usr_priv - 1; -#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ - /* turn off the lcd. Refreshing the lcd adds 50% overhead to the */ /* jffs2 list building enterprise nope. in newer versions the overhead is */ /* only about 5 %. not enough to inconvenience people for. */ @@ -1099,7 +1153,6 @@ jffs2_1pass_build_lists(struct part_info * part) /* if we are building a list we need to refresh the cache. */ jffs_init_1pass_list(part); pL = (struct b_lists *)part->jffs2_priv; - pL->partOffset = part->offset; offset = 0; puts ("Scanning JFFS2 FS: "); @@ -1217,6 +1270,9 @@ jffs2_1pass_fill_info(struct b_lists * pL, struct b_jffs2_info * piL) static struct b_lists * jffs2_get_list(struct part_info * part, const char *who) { + /* copy requested part_info struct pointer to global location */ + current_part = part; + if (jffs2_1pass_rescan_needed(part)) { if (!jffs2_1pass_build_lists(part)) { printf("%s: Failed to scan JFFSv2 file structure\n", who); diff --git a/fs/jffs2/jffs2_private.h b/fs/jffs2/jffs2_private.h index d53e576..65ca6eb 100644 --- a/fs/jffs2/jffs2_private.h +++ b/fs/jffs2/jffs2_private.h @@ -22,7 +22,6 @@ struct b_list { }; struct b_lists { - char *partOffset; struct b_list dir; struct b_list frag; diff --git a/include/configs/ADNPESC1.h b/include/configs/ADNPESC1.h index 2d212c9..2efca10 100644 --- a/include/configs/ADNPESC1.h +++ b/include/configs/ADNPESC1.h @@ -674,5 +674,21 @@ #undef CFG_MEMTEST_END #endif +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/Alaska8220.h b/include/configs/Alaska8220.h index dc01f0c..9a3acfe 100644 --- a/include/configs/Alaska8220.h +++ b/include/configs/Alaska8220.h @@ -229,17 +229,6 @@ #undef CFG_ENV_IS_IN_FLASH #endif -#ifndef CFG_JFFS2_FIRST_SECTOR -#define CFG_JFFS2_FIRST_SECTOR 0 -#endif -#ifndef CFG_JFFS2_FIRST_BANK -#define CFG_JFFS2_FIRST_BANK 0 -#endif -#ifndef CFG_JFFS2_NUM_BANKS -#define CFG_JFFS2_NUM_BANKS 1 -#endif -#define CFG_JFFS2_LAST_BANK (CFG_JFFS2_FIRST_BANK + CFG_JFFS2_NUM_BANKS - 1) - /* * Memory map */ @@ -314,4 +303,23 @@ #define CFG_HID0_INIT HID0_ICE | HID0_ICFI #define CFG_HID0_FINAL HID0_ICE +/* + * JFFS2 partitions + */ + +/* No command line, one static partition */ +/* +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0x00400000 +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 +*/ + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=alaska-0" +#define MTDPARTS_DEFAULT "mtdparts=alaska-0:4m(user)" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/BAB7xx.h b/include/configs/BAB7xx.h index 5dd7a7e..81c8d59 100644 --- a/include/configs/BAB7xx.h +++ b/include/configs/BAB7xx.h @@ -28,8 +28,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - #undef DEBUG #define GTREGREAD(x) 0xffffffff /* needed for debug */ @@ -201,8 +199,25 @@ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support + * + * Note: fake mtd_id used, no linux mtd map file + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=bab7xx-0" +#define MTDPARTS_DEFAULT "mtdparts=bab7xx-0:-(jffs2)" +*/ #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */ diff --git a/include/configs/CATcenter.h b/include/configs/CATcenter.h index 61022e8..776fce5 100644 --- a/include/configs/CATcenter.h +++ b/include/configs/CATcenter.h @@ -377,11 +377,6 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#if 0 /* test-only */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ -#endif - /*----------------------------------------------------------------------- * Environment Variable setup */ @@ -767,9 +762,26 @@ #endif /* CONFIG_NO_SERIAL_EEPROM */ #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */ -#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */ -#define CONFIG_JFFS2_NAND_OFF 0 /* start of jffs2 partition */ -#define CONFIG_JFFS2_NAND_SIZE 2*1024*1024 /* size of jffs2 partition */ #define NAND_CACHE_PAGES 16 /* size of nand cache in 512 bytes pages */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nand" +#define CONFIG_JFFS2_PART_SIZE 0x00200000 +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support + * + * Note: fake mtd_id used, no linux mtd map file + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nand0=catcenter" +#define MTDPARTS_DEFAULT "mtdparts=catcenter:2m(nand)" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/CPCI4052.h b/include/configs/CPCI4052.h index 4bb47c3..d1498ee 100644 --- a/include/configs/CPCI4052.h +++ b/include/configs/CPCI4052.h @@ -242,8 +242,28 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ + +/* + * JFFS2 partitions + */ + +/* No command line, one static partition, use whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ + +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=cpci4052-0" +#define MTDPARTS_DEFAULT "mtdparts=cpci4052-0:-(jffs2)" +*/ #if 0 /* Use NVRAM for environment variables */ /*----------------------------------------------------------------------- diff --git a/include/configs/CPCI405AB.h b/include/configs/CPCI405AB.h index dee26f8..29bd3da 100644 --- a/include/configs/CPCI405AB.h +++ b/include/configs/CPCI405AB.h @@ -225,8 +225,26 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ +/* + * JFFS2 partitions + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ + +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=cpci405ab-0" +#define MTDPARTS_DEFAULT "mtdparts=cpci405ab-0:-(jffs2)" +*/ /*----------------------------------------------------------------------- * I2C EEPROM (CAT24WC32) for environment diff --git a/include/configs/CPCI405DT.h b/include/configs/CPCI405DT.h index 5c4259d..6673073 100644 --- a/include/configs/CPCI405DT.h +++ b/include/configs/CPCI405DT.h @@ -247,8 +247,26 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ +/* + * JFFS2 partitions + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ + +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=cpci405dt-0" +#define MTDPARTS_DEFAULT "mtdparts=cpci405dt-0:-(jffs2)" +*/ #if 0 /* Use NVRAM for environment variables */ /*----------------------------------------------------------------------- diff --git a/include/configs/CPCI750.h b/include/configs/CPCI750.h index fab263b..8bfd0ee 100644 --- a/include/configs/CPCI750.h +++ b/include/configs/CPCI750.h @@ -38,8 +38,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - /* This define must be before the core.h include */ #define CONFIG_CPCI750 1 /* this is an CPCI750 board */ diff --git a/include/configs/DB64360.h b/include/configs/DB64360.h index d6ce8a8..e2b4b1d 100644 --- a/include/configs/DB64360.h +++ b/include/configs/DB64360.h @@ -88,8 +88,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - /* This define must be before the core.h include */ #define CONFIG_DB64360 1 /* this is an DB64360 board */ @@ -219,10 +217,27 @@ ip=$(ipaddr):$(serverip)$(bootargs_end); bootm 0x400000;\0" #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \ CONFIG_BOOTP_BOOTFILESIZE) +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor1" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 1 -#define CFG_JFFS2_NUM_BANKS 1 +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor1=db64360-1" +#define MTDPARTS_DEFAULT "mtdparts=db64360-1:-(jffs2)" +*/ #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_ASKENV \ diff --git a/include/configs/DB64460.h b/include/configs/DB64460.h index fb02481..5f541bb 100644 --- a/include/configs/DB64460.h +++ b/include/configs/DB64460.h @@ -28,8 +28,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - /* This define must be before the core.h include */ #define CONFIG_DB64460 1 /* this is an DB64460 board */ @@ -157,10 +155,27 @@ ip=$(ipaddr):$(serverip)$(bootargs_end); bootm 0x400000;\0" #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \ CONFIG_BOOTP_BOOTFILESIZE) +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor1" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 1 -#define CFG_JFFS2_NUM_BANKS 1 +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor1=db64460-1" +#define MTDPARTS_DEFAULT "mtdparts=db64460-1:-(jffs2)" +*/ #define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_ASKENV \ diff --git a/include/configs/DK1C20.h b/include/configs/DK1C20.h index 14a09b6..b58846d 100644 --- a/include/configs/DK1C20.h +++ b/include/configs/DK1C20.h @@ -536,5 +536,21 @@ #undef CFG_MEMTEST_END #endif +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/DK1S10.h b/include/configs/DK1S10.h index e79eb49..3e3803c 100644 --- a/include/configs/DK1S10.h +++ b/include/configs/DK1S10.h @@ -545,5 +545,21 @@ #undef CFG_MEMTEST_END #endif +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/ELPPC.h b/include/configs/ELPPC.h index 7176905..e51d058 100644 --- a/include/configs/ELPPC.h +++ b/include/configs/ELPPC.h @@ -28,8 +28,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - #undef DEBUG #define GTREGREAD(x) 0xffffffff /* needed for debug */ @@ -181,8 +179,23 @@ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 2 /* ! second bank contains U-Boot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=elppc-0,nor1=elppc-1" +#define MTDPARTS_DEFAULT "mtdparts=elppc-0:-(jffs2),elppc-1:-(user)" +*/ #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MONITOR_LEN 0x40000 /* Reserve 256 kB for Monitor */ diff --git a/include/configs/EVB64260.h b/include/configs/EVB64260.h index 9baf252..78e5716 100644 --- a/include/configs/EVB64260.h +++ b/include/configs/EVB64260.h @@ -28,8 +28,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - #ifndef __ASSEMBLY__ #include #endif diff --git a/include/configs/LANTEC.h b/include/configs/LANTEC.h index 91011be..933a42c 100644 --- a/include/configs/LANTEC.h +++ b/include/configs/LANTEC.h @@ -356,4 +356,21 @@ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/MHPC.h b/include/configs/MHPC.h index f942e95..cd21c2d 100644 --- a/include/configs/MHPC.h +++ b/include/configs/MHPC.h @@ -184,8 +184,23 @@ #define CFG_MONITOR_BASE CFG_FLASH_BASE #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* one flash only */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=mhpc-0" +#define MTDPARTS_DEFAULT "mtdparts=mhpc-0:-(jffs2)" +*/ /* * For booting Linux, the board info and command line data diff --git a/include/configs/MIP405.h b/include/configs/MIP405.h index 41a3d39..0af9c68 100644 --- a/include/configs/MIP405.h +++ b/include/configs/MIP405.h @@ -236,8 +236,23 @@ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=mip405-0" +#define MTDPARTS_DEFAULT "mtdparts=mip405-0:-(jffs2)" +*/ /*----------------------------------------------------------------------- * Cache Configuration diff --git a/include/configs/ML2.h b/include/configs/ML2.h index c6cc69b..6e54d71 100644 --- a/include/configs/ML2.h +++ b/include/configs/ML2.h @@ -241,9 +241,22 @@ #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */ #endif -/* JFFS2 stuff */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00080000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=ml2-0" +#define MTDPARTS_DEFAULT "mtdparts=ml2-0:-@512k(jffs2)" +*/ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_NUM_BANKS 1 -#define CFG_JFFS2_FIRST_SECTOR 1 #endif /* __CONFIG_H */ diff --git a/include/configs/MPC8260ADS.h b/include/configs/MPC8260ADS.h index bba476a..9188ae5 100644 --- a/include/configs/MPC8260ADS.h +++ b/include/configs/MPC8260ADS.h @@ -278,10 +278,14 @@ #define CFG_FLASH_UNLOCK_TOUT 10000 /* Timeout for Flash Clear Lock Bits (in ms) */ #define CFG_FLASH_PROTECTION /* "Real" (hardware) sectors protection */ -#define CFG_JFFS2_FIRST_SECTOR 1 -#define CFG_JFFS2_LAST_SECTOR 27 +/* + * JFFS2 partitions + * + * Note: fake mtd_id used, no linux mtd map file + */ +#define MTDIDS_DEFAULT "nor0=mpc8260ads-0" +#define MTDPARTS_DEFAULT "mtdparts=mpc8260ads-0:-@1m(jffs2)" #define CFG_JFFS2_SORT_FRAGMENTS -#define CFG_JFFS_CUSTOM_PART /* this is stuff came out of the Motorola docs */ #ifndef CFG_LOWBOOT diff --git a/include/configs/MPC8266ADS.h b/include/configs/MPC8266ADS.h index d8e91a5..0a4b04d 100644 --- a/include/configs/MPC8266ADS.h +++ b/include/configs/MPC8266ADS.h @@ -573,5 +573,21 @@ #define CFG_PCI_MSTR_IO_SIZE 0x04000000 /* 64MB */ #define CFG_POCMR2_MASK_ATTRIB (POCMR_MASK_64MB | POCMR_ENABLE | POCMR_PCI_IO) +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/NC650.h b/include/configs/NC650.h index 3acdd77..d24d05f 100644 --- a/include/configs/NC650.h +++ b/include/configs/NC650.h @@ -400,9 +400,27 @@ #define BOOTFLAG_WARM 0x02 /* Software reboot */ #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */ -#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */ -#define CONFIG_JFFS2_NAND_OFF 0 /* start of jffs2 partition */ -#define CONFIG_JFFS2_NAND_SIZE 4*1024*1024 /* size of jffs2 partition */ #define NAND_CACHE_PAGES 16 /* size of nand cache in 512 bytes pages */ +/* + * JFFS2 partitions + */ + +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nand0" +#define CONFIG_JFFS2_PART_SIZE 0x00400000 +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=nc650-0,nand0=nc650-nand" + +#define MTDPARTS_DEFAULT "mtdparts=nc650-0:1m(kernel1),1m(kernel2)," \ + "2560k(cramfs1),2560k(cramfs2)," \ + "256k(u-boot),256k(env);" \ + "nc650-nand:4m(nand1),28m(nand2)" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/NETTA.h b/include/configs/NETTA.h index 1d12eb4..3573b37 100644 --- a/include/configs/NETTA.h +++ b/include/configs/NETTA.h @@ -685,11 +685,26 @@ ((unsigned char)(*(volatile unsigned char *)(unsigned long)(adr))) #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */ -#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */ -#define CONFIG_JFFS2_NAND_OFF (2 * 1024 * 1024) /* start of jffs2 partition */ -#define CONFIG_JFFS2_NAND_SIZE (1*1024*1024) /* size of jffs2 partition */ #define NAND_CACHE_PAGES 16 /* size of nand cache in 512 bytes pages */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nand0" +#define CONFIG_JFFS2_PART_SIZE 0x00100000 +#define CONFIG_JFFS2_PART_OFFSET 0x00200000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nand0=netta-nand" +#define MTDPARTS_DEFAULT "mtdparts=netta-nand:1m@2m(jffs2)" +*/ + /*****************************************************************************/ #define CFG_DIRECT_FLASH_TFTP diff --git a/include/configs/PMC405.h b/include/configs/PMC405.h index d8d9632..11d6fa7 100644 --- a/include/configs/PMC405.h +++ b/include/configs/PMC405.h @@ -193,8 +193,23 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains u-boot */ +/* + * JFFS2 partitions - second bank contains u-boot + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=pmc405-0" +#define MTDPARTS_DEFAULT "mtdparts=pmc405-0:-(jffs2)" +*/ /*----------------------------------------------------------------------- * Environment Variable setup diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index ca0bd12..2d89f3f 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -336,9 +336,19 @@ * Please note that CFG_SDRAM_BASE _must_ start at 0 */ #define CFG_SDRAM_BASE 0x00000000 + +/* Reserve 256 kB for Monitor */ #define CFG_FLASH_BASE 0xFFFC0000 #define CFG_MONITOR_BASE CFG_FLASH_BASE -#define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Monitor */ +#define CFG_MONITOR_LEN (256 * 1024) + +/* Reserve 320 kB for Monitor */ +/* +#define CFG_FLASH_BASE 0xFFFB0000 +#define CFG_MONITOR_BASE CFG_FLASH_BASE +#define CFG_MONITOR_LEN (320 * 1024) +*/ + #define CFG_MALLOC_LEN (256 * 1024) /* Reserve 256 kB for malloc() */ /* @@ -369,11 +379,6 @@ #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ -#if 0 /* test-only */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* ! second bank contains U-Boot */ -#endif - /*----------------------------------------------------------------------- * Environment Variable setup */ @@ -770,9 +775,36 @@ #endif /* CONFIG_NO_SERIAL_EEPROM */ #define CONFIG_JFFS2_NAND 1 /* jffs2 on nand support */ -#define CONFIG_JFFS2_NAND_DEV 0 /* nand device jffs2 lives on */ -#define CONFIG_JFFS2_NAND_OFF 0 /* start of jffs2 partition */ -#define CONFIG_JFFS2_NAND_SIZE 4*1024*1024 /* size of jffs2 partition */ #define NAND_CACHE_PAGES 16 /* size of nand cache in 512 bytes pages */ +/* + * JFFS2 partitions + */ + +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nand0" +#define CONFIG_JFFS2_PART_SIZE 0x00400000 +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=PPChameleon-0,nand0=ppchameleonevb-nand" +*/ + +/* 256 kB U-boot image */ +/* +#define MTDPARTS_DEFAULT "mtdparts=PPChameleon-0:1m(kernel1),1m(kernel2)," \ + "1792k(user),256k(u-boot);" \ + "ppchameleonevb-nand:-(nand)" +*/ + +/* 320 kB U-boot image */ +/* +#define MTDPARTS_DEFAULT "mtdparts=PPChameleon-0:1m(kernel1),1m(kernel2)," \ + "1728k(user),320k(u-boot);" \ + "ppchameleonevb-nand:-(nand)" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/R360MPI.h b/include/configs/R360MPI.h index c456fbf..d7b093b 100644 --- a/include/configs/R360MPI.h +++ b/include/configs/R360MPI.h @@ -152,10 +152,22 @@ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } -/* JFFS2 stuff */ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_NUM_BANKS 1 -#define CFG_JFFS2_FIRST_SECTOR 24 +/* + * JFFS2 partitions + */ +/* No command line, one static partition + * use all the space starting at offset 3MB*/ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00300000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=r360-0" +#define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)" +*/ /* * Low Level Configuration Settings diff --git a/include/configs/RBC823.h b/include/configs/RBC823.h index b0e4910..4d47d3e 100644 --- a/include/configs/RBC823.h +++ b/include/configs/RBC823.h @@ -417,4 +417,22 @@ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/Rattler.h b/include/configs/Rattler.h index a552970..a170f29 100644 --- a/include/configs/Rattler.h +++ b/include/configs/Rattler.h @@ -186,10 +186,26 @@ #define CFG_DIRECT_FLASH_TFTP #if (CONFIG_COMMANDS & CFG_CMD_JFFS2) -#define CFG_JFFS2_FIRST_BANK 0 #define CFG_JFFS2_NUM_BANKS CFG_MAX_FLASH_BANKS -#define CFG_JFFS2_FIRST_SECTOR 16 #define CFG_JFFS2_SORT_FRAGMENTS + +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00100000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=rattler-0" +#define MTDPARTS_DEFAULT "mtdparts=rattler-0:-@1m(jffs2)" +*/ #endif /* CFG_CMD_JFFS2 */ #define CFG_MONITOR_BASE TEXT_BASE diff --git a/include/configs/SXNI855T.h b/include/configs/SXNI855T.h index 195c036..9ce83b4 100644 --- a/include/configs/SXNI855T.h +++ b/include/configs/SXNI855T.h @@ -154,14 +154,32 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include -#define CFG_JFFS_CUSTOM_PART #define CFG_JFFS2_SORT_FRAGMENTS -/* JFFS2 location when using NOR flash */ -#define CFG_JFFS2_BASE (CFG_FLASH_BASE + 0x80000) -#define CFG_JFFS2_SIZE (0x780000) -/* JFFS2 location (in RAM) when using NAND flash */ -#define CFG_JFFS2_RAMBASE 0x400000 -#define CFG_JFFS2_RAMSIZE 0x200000 /* NAND boot partition is 2MiB */ + +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE + +/* +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0x00780000 +#define CONFIG_JFFS2_PART_OFFSET 0x00080000 +*/ + +#define CONFIG_JFFS2_DEV "nand0" +#define CONFIG_JFFS2_PART_SIZE 0x00200000 +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=sixnet-0,nand0=sixnet-nand" +#define MTDPARTS_DEFAULT "mtdparts=sixnet-0:7680k@512k();sixnet-nand:2m(jffs2-nand)" +*/ /* NAND flash support */ #define CONFIG_MTD_NAND_ECC_JFFS2 diff --git a/include/configs/ZUMA.h b/include/configs/ZUMA.h index 578f152..f163d00 100644 --- a/include/configs/ZUMA.h +++ b/include/configs/ZUMA.h @@ -28,8 +28,6 @@ #ifndef __CONFIG_H #define __CONFIG_H -#include - #define CFG_GT_6426x GT_64260 /* with a 64260 system controller */ #define CONFIG_ETHER_PORT_MII /* use two MII ports */ #define CONFIG_INTEL_LXT97X /* Intel LXT97X phy */ @@ -115,9 +113,23 @@ CFG_CMD_MII | \ CFG_CMD_DATE) -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 1 -#define CFG_JFFS2_NUM_BANKS 2 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor1=zuma-1,nor2=zuma-2" +#define MTDPARTS_DEFAULT "mtdparts=zuma-1:-(jffs2),zuma-2:-(user)" +*/ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include diff --git a/include/configs/debris.h b/include/configs/debris.h index a9a2458..b483f40 100644 --- a/include/configs/debris.h +++ b/include/configs/debris.h @@ -217,8 +217,27 @@ #define CFG_FLASH_RANGE_SIZE 0x01000000 #define FLASH_BASE0_PRELIM 0x7C000000 /* debris flash */ -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ + +/* Use first bank for JFFS2, second bank contains U-Boot. + * + * Note: fake mtd_id's used, no linux mtd map file. + */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=debris-0" +#define MTDPARTS_DEFAULT "mtdparts=debris-0:-(jffs2)" +*/ #define CFG_ENV_IS_IN_NVRAM 1 #define CONFIG_ENV_OVERWRITE 1 diff --git a/include/configs/ep7312.h b/include/configs/ep7312.h index c6a028f..bdda629 100644 --- a/include/configs/ep7312.h +++ b/include/configs/ep7312.h @@ -142,9 +142,22 @@ #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */ #define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_FIRST_SECTOR 2 -#define CFG_JFFS2_NUM_BANKS 1 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=ep7312-0" +#define MTDPARTS_DEFAULT "mtdparts=ep7312-0:-(jffs2)" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/ep8260.h b/include/configs/ep8260.h index 98e1716..8b0afd5 100644 --- a/include/configs/ep8260.h +++ b/include/configs/ep8260.h @@ -744,4 +744,22 @@ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/hymod.h b/include/configs/hymod.h index 0d62b9e..aadb59f 100644 --- a/include/configs/hymod.h +++ b/include/configs/hymod.h @@ -712,4 +712,21 @@ #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/ #define BOOTFLAG_WARM 0x02 /* Software reboot */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "" +#define MTDPARTS_DEFAULT "" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/impa7.h b/include/configs/impa7.h index c187c54..8b841ff 100644 --- a/include/configs/impa7.h +++ b/include/configs/impa7.h @@ -144,9 +144,21 @@ #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */ #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_FIRST_SECTOR 8 -#define CFG_JFFS2_NUM_BANKS 2 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00020000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=impA7 NOR Flash Bank #0,nor1=impA7 NOR Flash Bank #1" +#define MTDPARTS_DEFAULT "mtdparts=impA7 NOR Flash Bank #0:-(FileSystem1);impA7 NOR Flash Bank #1:-(FileSystem2)" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/incaip.h b/include/configs/incaip.h index 7db3744..0f548a5 100644 --- a/include/configs/incaip.h +++ b/include/configs/incaip.h @@ -148,8 +148,26 @@ #define CONFIG_NET_MULTI #define CONFIG_INCA_IP_SWITCH_AMDIX -#define CFG_JFFS2_FIRST_BANK 1 -#define CFG_JFFS2_NUM_BANKS 1 +/* + * JFFS2 partitions + */ +/* No command line, one static partition, use all space on the device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor1" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=INCA-IP Bank 0" +#define MTDPARTS_DEFAULT "mtdparts=INCA-IP Bank 0:192k(uboot)," \ + "64k(env)," \ + "768k(linux)," \ + "1m@3m(rootfs)," \ + "768k(linux2)," \ + "3m@5m(rootfs2)" +*/ /*----------------------------------------------------------------------- * Cache Configuration diff --git a/include/configs/innokom.h b/include/configs/innokom.h index fce72e1..3cb9ebc 100644 --- a/include/configs/innokom.h +++ b/include/configs/innokom.h @@ -164,14 +164,42 @@ #define CFG_FLASH_BASE PHYS_FLASH_1 - /* - * JFFS2 Partitions + * JFFS2 partitions + * */ -#define CFG_JFFS_CUSTOM_PART 1 /* see board/innokom/flash.c */ -#define CONFIG_MTD_INNOKOM_16MB 1 /* development flash */ -#undef CONFIG_MTD_INNOKOM_64MB /* production flash */ +/* development flash */ +#define CONFIG_MTD_INNOKOM_16MB 1 +#undef CONFIG_MTD_INNOKOM_64MB + +/* production flash */ +/* +#define CONFIG_MTD_INNOKOM_64MB 1 +#undef CONFIG_MTD_INNOKOM_16MB +*/ + +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=innokom-0" +*/ +/* development flash */ +/* +#define MTDPARTS_DEFAULT "mtdparts=innokom-0:256k(uboot),768k(kernel),8m(user),7m(data)" +*/ + +/* production flash */ +/* +#define MTDPARTS_DEFAULT "mtdparts=innokom-0:256k(uboot),768k(kernel),16256k(user1),16256k(user2),32m(data)" +*/ /* * GPIO settings diff --git a/include/configs/modnet50.h b/include/configs/modnet50.h index 067c846..2028767 100644 --- a/include/configs/modnet50.h +++ b/include/configs/modnet50.h @@ -165,9 +165,22 @@ #define CFG_ENV_SECT_SIZE 0x10000 /* Total Size of Environment Sector */ #define CFG_ENV_SIZE 0x4000 /* max size for environment */ -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_FIRST_SECTOR 8 -#define CFG_JFFS2_NUM_BANKS 2 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00080000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=modnet50-0" +#define MTDPARTS_DEFAULT "mtdparts=modnet50-0:-@512k(jffs2)" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/mx1fs2.h b/include/configs/mx1fs2.h index 7b4dc92..9816be8 100644 --- a/include/configs/mx1fs2.h +++ b/include/configs/mx1fs2.h @@ -87,7 +87,6 @@ #define CONFIG_INITRD_TAG 1 /* send initrd params */ #undef CONFIG_VFD /* do not send framebuffer setup */ -#define CFG_JFFS_CUSTOM_PART /* * Malloc pool need to host env + 128 Kb reserve for other allocations. */ @@ -136,10 +135,6 @@ #define MX1FS2_FLASH_INTERLEAVE 2 /* ... made of 2 chips */ #define MX1FS2_FLASH_BANK_SIZE 0x02000000 /* size of one flash bank*/ #define MX1FS2_FLASH_SECT_SIZE 0x00020000 /* size of erase sector */ -#define MX1FS2_JFFS2_PART0_START 0x10200000 -#define MX1FS2_JFFS2_PART0_SIZE 0x00500000 -#define MX1FS2_JFFS2_PART1_START 0x10700000 -#define MX1FS2_JFFS2_PART1_SIZE 0x00900000 #else #define MX1FS2_FLASH_BUS_WIDTH 2 /* we use 16 bit FLASH memory... */ #define MX1FS2_FLASH_INTERLEAVE 1 /* ... made of 1 chip */ @@ -167,9 +162,28 @@ * footprint. * NOTE: Enable CFG_CMD_JFFS2 for JFFS2 support. */ -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS2_FIRST_SECTOR 5 -#define CFG_JFFS2_NUM_BANKS 1 + +/* + * JFFS2 partitions + */ +/* No command line, one static partition, whole device */ +/* +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00050000 +*/ + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=mx1fs2-0" + +#ifdef BUS32BIT_VERSION +#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:2m@5m(part0),5m@9m(part1)" +#else +#define MTDPARTS_DEFAULT "mtdparts=mx1fs2-0:-@320k(jffs2)" +#endif /* * Environment setup. Definitions of monitor location and size with diff --git a/include/configs/omap2420h4.h b/include/configs/omap2420h4.h index 47f78fa..c791603 100644 --- a/include/configs/omap2420h4.h +++ b/include/configs/omap2420h4.h @@ -265,10 +265,23 @@ #define CFG_FLASH_ERASE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Erase */ #define CFG_FLASH_WRITE_TOUT (30*75*CFG_HZ) /* Timeout for Flash Write */ -/* Flash banks JFFS2 should use */ -#define CFG_MAX_MTD_BANKS (CFG_MAX_FLASH_BANKS+CFG_MAX_NAND_DEVICE) #define CFG_JFFS2_MEM_NAND -#define CFG_JFFS2_FIRST_BANK 1 /* use flash_info[1] */ -#define CFG_JFFS2_NUM_BANKS 1 + +/* + * JFFS2 partitions + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor1" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor1=omap2420-1" +#define MTDPARTS_DEFAULT "mtdparts=omap2420-1:-(jffs2)" +*/ #endif /* __CONFIG_H */ diff --git a/include/configs/sc520_cdp.h b/include/configs/sc520_cdp.h index 764efdf..d7d07a6 100644 --- a/include/configs/sc520_cdp.h +++ b/include/configs/sc520_cdp.h @@ -138,8 +138,22 @@ #define CONFIG_SC520_CDP_USE_SPI /* Store configuration in the SPI part */ #undef CONFIG_SC520_CDP_USE_MW /* Store configuration in the MicroWire part */ #define CONFIG_SPI_X 1 -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* */ + +/* + * JFFS2 partitions + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=SC520CDP Flash Bank #0" +#define MTDPARTS_DEFAULT "mtdparts=SC520CDP Flash Bank #0:-(jffs2)" +*/ /*----------------------------------------------------------------------- * Device drivers diff --git a/include/configs/sc520_spunk.h b/include/configs/sc520_spunk.h index 4114dd3..a8e3555 100644 --- a/include/configs/sc520_spunk.h +++ b/include/configs/sc520_spunk.h @@ -147,8 +147,23 @@ #endif -#define CFG_JFFS2_FIRST_BANK 0 /* use for JFFS2 */ -#define CFG_JFFS2_NUM_BANKS 1 /* */ +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=sc520_spunk-0" +#define MTDPARTS_DEFAULT "mtdparts=sc520_spunk-0:-(jffs2)" +*/ /*----------------------------------------------------------------------- * Device drivers diff --git a/include/configs/v37.h b/include/configs/v37.h index 45bc353..b3c6255 100644 --- a/include/configs/v37.h +++ b/include/configs/v37.h @@ -87,10 +87,23 @@ CFG_CMD_JFFS2 | \ CFG_CMD_DATE ) - -/* Flash banks JFFS2 should use */ -#define CFG_JFFS2_FIRST_BANK 1 -#define CFG_JFFS2_NUM_BANKS 1 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor1" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor1=v37-1" +#define MTDPARTS_DEFAULT "mtdparts=v37-1:-(jffs2)" +*/ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include diff --git a/include/configs/voiceblue.h b/include/configs/voiceblue.h index 1640163..72b0a4c 100644 --- a/include/configs/voiceblue.h +++ b/include/configs/voiceblue.h @@ -247,4 +247,22 @@ #define VOICEBLUE_LED_REG 0x04030000 +/* + * JFFS2 partitions + * + */ +/* No command line, one static partition */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00040000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=voiceblue-0" +#define MTDPARTS_DEFAULT "mtdparts=voiceblue-0:128k(uboot),64k(env),64k(renv),-(jffs2)" +*/ + #endif /* __CONFIG_H */ diff --git a/include/configs/xsengine.h b/include/configs/xsengine.h index 847e91a..dc702cf 100644 --- a/include/configs/xsengine.h +++ b/include/configs/xsengine.h @@ -59,9 +59,23 @@ #define PHYS_FLASH_2 0x00000000 /* Flash Bank #2 */ #define PHYS_FLASH_SECT_SIZE 0x00020000 /* 127 KB sectors */ #define CFG_FLASH_BASE PHYS_FLASH_1 -#define CFG_JFFS2_NUM_BANKS 1 -#define CFG_JFFS2_FIRST_BANK 0 -#define CFG_JFFS_CUSTOM_PART 1 + +/* + * JFFS2 partitions + */ +/* No command line, one static partition, whole device */ +#undef CONFIG_JFFS2_CMDLINE +#define CONFIG_JFFS2_DEV "nor0" +#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF +#define CONFIG_JFFS2_PART_OFFSET 0x00000000 + +/* mtdparts command line support */ +/* Note: fake mtd_id used, no linux mtd map file */ +/* +#define CONFIG_JFFS2_CMDLINE +#define MTDIDS_DEFAULT "nor0=xsengine-0" +#define MTDPARTS_DEFAULT "mtdparts=xsengine-0:256k(uboot),1m(kernel1),8m(kernel2)" +*/ /* Environment settings */ #define CONFIG_ENV_OVERWRITE diff --git a/include/jffs2/load_kernel.h b/include/jffs2/load_kernel.h index d8b4240..882a80e 100644 --- a/include/jffs2/load_kernel.h +++ b/include/jffs2/load_kernel.h @@ -25,40 +25,37 @@ * */ -/* this struct is very similar to mtd_info */ -struct part_info { - u32 size; /* Total size of the Partition */ - - /* "Major" erase size for the device. Naïve users may take this - * to be the only erase size available, or may use the more detailed - * information below if they desire - */ - u32 erasesize; +#include - /* Where in memory does this partition start? */ - char *offset; +/* mtd device types */ +#define MTD_DEV_TYPE_NOR 0x0001 +#define MTD_DEV_TYPE_NAND 0x0002 +#define MTD_DEV_TYPE(type) ((type == MTD_DEV_TYPE_NAND) ? "nand" : "nor") - /* used by jffs2 set to NULL */ - void *jffs2_priv; - - /* private filed used by user */ - void *usr_priv; +struct mtd_device { + struct list_head link; + struct mtdids *id; /* parent mtd id entry */ + u16 num_parts; /* number of partitions on this device */ + struct list_head parts; /* partitions */ }; -struct part_info* -jffs2_part_info(int part_num); - -struct kernel_loader { - - /* Return true if there is a kernel contained at src */ - int (* check_magic)(struct part_info *part); - - /* load the kernel from the partition part to dst, return the number - * of bytes copied if successful, zero if not */ - u32 (* load_kernel)(u32 *dst, struct part_info *part, const char *kernel_filename); +struct part_info { + struct list_head link; + char *name; /* partition name */ + u8 auto_name; /* set to 1 for generated name */ + u32 size; /* total size of the partition */ + u32 offset; /* offset within device */ + void *jffs2_priv; /* used internaly by jffs2 */ + u32 mask_flags; /* kernel MTD mask flags */ + struct mtd_device *dev; /* parent device */ +}; - /* A brief description of the module (ie, "cramfs") */ - char *name; +struct mtdids { + struct list_head link; + u8 type; /* device type */ + u8 num; /* device number */ + u32 size; /* device size */ + char *mtd_id; /* linux kernel device id */ }; #define ldr_strlen strlen diff --git a/include/linux/list.h b/include/linux/list.h new file mode 100644 index 0000000..d2a7d43 --- /dev/null +++ b/include/linux/list.h @@ -0,0 +1,258 @@ +#ifndef _LINUX_LIST_H +#define _LINUX_LIST_H + +#ifndef ARCH_HAS_PREFETCH +#define ARCH_HAS_PREFETCH +static inline void prefetch(const void *x) {;} +#endif + +/* + * Simple doubly linked list implementation. + * + * Some of the internal functions ("__xxx") are useful when + * manipulating whole lists rather than single entries, as + * sometimes we already know the next/prev entries and we can + * generate better code by using them directly rather than + * using the generic single-entry routines. + */ + +struct list_head { + struct list_head *next, *prev; +}; + +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +#define LIST_HEAD(name) \ + struct list_head name = LIST_HEAD_INIT(name) + +#define INIT_LIST_HEAD(ptr) do { \ + (ptr)->next = (ptr); (ptr)->prev = (ptr); \ +} while (0) + +/* + * Insert a new entry between two known consecutive entries. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static inline void __list_add(struct list_head *new, + struct list_head *prev, + struct list_head *next) +{ + next->prev = new; + new->next = next; + new->prev = prev; + prev->next = new; +} + +/** + * list_add - add a new entry + * @new: new entry to be added + * @head: list head to add it after + * + * Insert a new entry after the specified head. + * This is good for implementing stacks. + */ +static inline void list_add(struct list_head *new, struct list_head *head) +{ + __list_add(new, head, head->next); +} + +/** + * list_add_tail - add a new entry + * @new: new entry to be added + * @head: list head to add it before + * + * Insert a new entry before the specified head. + * This is useful for implementing queues. + */ +static inline void list_add_tail(struct list_head *new, struct list_head *head) +{ + __list_add(new, head->prev, head); +} + +/* + * Delete a list entry by making the prev/next entries + * point to each other. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static inline void __list_del(struct list_head *prev, struct list_head *next) +{ + next->prev = prev; + prev->next = next; +} + +/** + * list_del - deletes entry from list. + * @entry: the element to delete from the list. + * Note: list_empty on entry does not return true after this, the entry is in an undefined state. + */ +static inline void list_del(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); + entry->next = (void *) 0; + entry->prev = (void *) 0; +} + +/** + * list_del_init - deletes entry from list and reinitialize it. + * @entry: the element to delete from the list. + */ +static inline void list_del_init(struct list_head *entry) +{ + __list_del(entry->prev, entry->next); + INIT_LIST_HEAD(entry); +} + +/** + * list_move - delete from one list and add as another's head + * @list: the entry to move + * @head: the head that will precede our entry + */ +static inline void list_move(struct list_head *list, struct list_head *head) +{ + __list_del(list->prev, list->next); + list_add(list, head); +} + +/** + * list_move_tail - delete from one list and add as another's tail + * @list: the entry to move + * @head: the head that will follow our entry + */ +static inline void list_move_tail(struct list_head *list, + struct list_head *head) +{ + __list_del(list->prev, list->next); + list_add_tail(list, head); +} + +/** + * list_empty - tests whether a list is empty + * @head: the list to test. + */ +static inline int list_empty(struct list_head *head) +{ + return head->next == head; +} + +static inline void __list_splice(struct list_head *list, + struct list_head *head) +{ + struct list_head *first = list->next; + struct list_head *last = list->prev; + struct list_head *at = head->next; + + first->prev = head; + head->next = first; + + last->next = at; + at->prev = last; +} + +/** + * list_splice - join two lists + * @list: the new list to add. + * @head: the place to add it in the first list. + */ +static inline void list_splice(struct list_head *list, struct list_head *head) +{ + if (!list_empty(list)) + __list_splice(list, head); +} + +/** + * list_splice_init - join two lists and reinitialise the emptied list. + * @list: the new list to add. + * @head: the place to add it in the first list. + * + * The list at @list is reinitialised + */ +static inline void list_splice_init(struct list_head *list, + struct list_head *head) +{ + if (!list_empty(list)) { + __list_splice(list, head); + INIT_LIST_HEAD(list); + } +} + +/** + * list_entry - get the struct for this entry + * @ptr: the &struct list_head pointer. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + */ +#define list_entry(ptr, type, member) \ + ((type *)((char *)(ptr)-(unsigned long)(&((type *)0)->member))) + +/** + * list_for_each - iterate over a list + * @pos: the &struct list_head to use as a loop counter. + * @head: the head for your list. + */ +#define list_for_each(pos, head) \ + for (pos = (head)->next, prefetch(pos->next); pos != (head); \ + pos = pos->next, prefetch(pos->next)) +/** + * list_for_each_prev - iterate over a list backwards + * @pos: the &struct list_head to use as a loop counter. + * @head: the head for your list. + */ +#define list_for_each_prev(pos, head) \ + for (pos = (head)->prev, prefetch(pos->prev); pos != (head); \ + pos = pos->prev, prefetch(pos->prev)) + +/** + * list_for_each_safe - iterate over a list safe against removal of list entry + * @pos: the &struct list_head to use as a loop counter. + * @n: another &struct list_head to use as temporary storage + * @head: the head for your list. + */ +#define list_for_each_safe(pos, n, head) \ + for (pos = (head)->next, n = pos->next; pos != (head); \ + pos = n, n = pos->next) + +/** + * list_for_each_entry - iterate over list of given type + * @pos: the type * to use as a loop counter. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + prefetch(pos->member.next); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next)) + +/** + * list_for_each_entry_safe - iterate over list of given type safe against removal of list entry + * @pos: the type * to use as a loop counter. + * @n: another type * to use as temporary storage + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry_safe(pos, n, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + n = list_entry(pos->member.next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = n, n = list_entry(n->member.next, typeof(*n), member)) + +/** + * list_for_each_entry_continue - iterate over list of given type + * continuing after existing point + * @pos: the type * to use as a loop counter. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry_continue(pos, head, member) \ + for (pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next)) + +#endif -- cgit v0.10.2