From 998eaaecd46ee5f00550e30e606cb5556e0b9345 Mon Sep 17 00:00:00 2001 From: wdenk Date: Sun, 18 Apr 2004 19:43:36 +0000 Subject: * Configure PPChameleon board to use redundand environment in flash * Configure PPChameleon board to use JFFS2 NAND support. * Added support for JFFS2 filesystem (read-only) on top of NAND flash --- CHANGELOG | 6 + board/dave/PPChameleonEVB/u-boot.lds | 10 +- board/dave/common/flash.c | 3 +- common/cmd_jffs2.c | 29 +++++ common/cmd_nand.c | 15 ++- common/environment.c | 3 +- doc/README.JFFS2_NAND | 24 ++++ fs/jffs2/jffs2_1pass.c | 241 ++++++++++++++++++++++++++++++----- include/configs/PPChameleonEVB.h | 18 ++- 9 files changed, 306 insertions(+), 43 deletions(-) create mode 100644 doc/README.JFFS2_NAND diff --git a/CHANGELOG b/CHANGELOG index 1056e29574..359e33b393 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,12 @@ Changes for U-Boot 1.1.1: ====================================================================== +* Configure PPChameleon board to use redundand environment in flash + +* Configure PPChameleon board to use JFFS2 NAND support. + +* Added support for JFFS2 filesystem (read-only) on top of NAND flash + * Patch by Rune Torgersen, 16 Apr 2004: LBA48 fixes diff --git a/board/dave/PPChameleonEVB/u-boot.lds b/board/dave/PPChameleonEVB/u-boot.lds index 1ba6d1787c..f4feb33c29 100644 --- a/board/dave/PPChameleonEVB/u-boot.lds +++ b/board/dave/PPChameleonEVB/u-boot.lds @@ -73,9 +73,6 @@ SECTIONS lib_ppc/extable.o (.text) lib_generic/zlib.o (.text) -/* . = env_offset;*/ -/* common/environment.o(.text)*/ - *(.text) *(.fixup) *(.got1) @@ -142,6 +139,13 @@ SECTIONS *(.bss) *(COMMON) } + + . = 0xFFFF8000; + .ppcenv : + { + common/environment.o(.ppcenv); + } + _end = . ; PROVIDE (end = .); } diff --git a/board/dave/common/flash.c b/board/dave/common/flash.c index b0e411617f..446defc4b9 100644 --- a/board/dave/common/flash.c +++ b/board/dave/common/flash.c @@ -669,8 +669,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data) int i; /* Check if Flash is (sufficiently) erased */ - if ((*((volatile CFG_FLASH_WORD_SIZE *)dest) & - (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) { + if ((*((volatile ulong *)dest) & data) != data) { return (2); } /* Disable interrupts which might cause a timeout here */ diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index c4f5a97157..3cf00b8e29 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -49,6 +49,8 @@ static int part_num=0; static struct part_info part; +#ifndef CONFIG_JFFS2_NAND + struct part_info* jffs2_part_info(int part_num) { @@ -88,6 +90,33 @@ jffs2_part_info(int part_num) } return 0; } + +#else /* CONFIG_JFFS2_NAND */ + +struct part_info* +jffs2_part_info(int part_num) +{ + if(part_num==0){ + + if(part.usr_priv==(void*)1) + return ∂ + + memset(&part, 0, sizeof(part)); + + part.offset = CONFIG_JFFS2_NAND_OFF; + part.size = CONFIG_JFFS2_NAND_SIZE; /* the bigger size the slower jffs2 */ + +#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 ∂ + } + return 0; +} + +#endif /* CONFIG_JFFS2_NAND */ #endif /* ifndef CFG_JFFS_CUSTOM_PART */ int diff --git a/common/cmd_nand.c b/common/cmd_nand.c index c2e67abed5..4b693a999a 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -232,7 +232,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) &total, (u_char*)addr); printf (" %d bytes %s: %s\n", total, - (cmd & NANDRW_READ) ? "read" : "write", + (cmd & NANDRW_READ) ? "read" : "written", ret ? "ERROR" : "OK"); return ret; @@ -1669,4 +1669,17 @@ static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc) } #endif + +#ifdef CONFIG_JFFS2_NAND + +int read_jffs2_nand(size_t start, size_t len, + size_t * retlen, u_char * buf, int nanddev) +{ + return nand_rw(nand_dev_desc + nanddev, NANDRW_READ | NANDRW_JFFS2, + start, len, retlen, buf); +} + +#endif /* CONFIG_JFFS2_NAND */ + + #endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ diff --git a/common/environment.c b/common/environment.c index a868dccbdc..3d8493a502 100644 --- a/common/environment.c +++ b/common/environment.c @@ -53,7 +53,8 @@ defined(CONFIG_R360MPI) || \ defined(CONFIG_TQM8xxL) || \ defined(CONFIG_RRVISION) || \ - defined(CONFIG_TRAB) ) && \ + defined(CONFIG_TRAB) || \ + defined(CONFIG_PPCHAMELEONEVB) ) && \ defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */ /* XXX - This only works with GNU C */ # define __PPCENV__ __attribute__ ((section(".ppcenv"))) diff --git a/doc/README.JFFS2_NAND b/doc/README.JFFS2_NAND new file mode 100644 index 0000000000..a836d53be5 --- /dev/null +++ b/doc/README.JFFS2_NAND @@ -0,0 +1,24 @@ +JFFS2 NAND support: + +To ebable, use the following #define in the board configuration file: + +#define CONFIG_JFFS2_NAND 1 + +Configuration of partitions is similar to how this is done in U-Boot +for JFFS2 on top NOR flash. If a single parition is used, it can be +configured using the following #defines in the configuration file: + +#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 */ + +If more than a single partition is desired, the user can define a +CFG_JFFS_CUSTOM_PART macro and implement a + + struct part_info* jffs2_part_info(int part_num) + +function in a board-specific module. An example of such function is +available in common/cmd_jffs2.c + +The default configuration for the DAVE board has a single JFFS2 +partition of 2 MB size. diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c index 01f1fb73e9..9acf37bca1 100644 --- a/fs/jffs2/jffs2_1pass.c +++ b/fs/jffs2/jffs2_1pass.c @@ -140,6 +140,130 @@ # define DEBUGF(fmt,args...) #endif +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) + +/* + * Support for jffs2 on top of NAND-flash + * + * NAND memory isn't mapped in processor's address space, + * so data should be fetched from flash before + * being processed. This is exactly what functions declared + * here do. + * + */ + +/* this one defined in cmd_nand.c */ +int read_jffs2_nand(size_t start, size_t len, + size_t * retlen, u_char * buf, int nanddev); + +#define NAND_PAGE_SIZE 512 +#define NAND_PAGE_SHIFT 9 +#define NAND_PAGE_MASK (~(NAND_PAGE_SIZE-1)) + +#ifndef NAND_CACHE_PAGES +#define NAND_CACHE_PAGES 16 +#endif +#define NAND_CACHE_SIZE (NAND_CACHE_PAGES*NAND_PAGE_SIZE) + +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) +{ + u32 bytes_read = 0; + size_t retlen; + int cpy_bytes; + + while (bytes_read < size) { + if ((off + bytes_read < nand_cache_off) || + (off + bytes_read >= nand_cache_off+NAND_CACHE_SIZE)) { + nand_cache_off = (off + bytes_read) & NAND_PAGE_MASK; + if (!nand_cache) { + /* This memory never gets freed but 'cause + it's a bootloader, nobody cares */ + nand_cache = malloc(NAND_CACHE_SIZE); + if (!nand_cache) { + printf("read_nand_cached: can't alloc cache size %d bytes\n", + NAND_CACHE_SIZE); + return -1; + } + } + if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE, + &retlen, nand_cache, nanddev) < 0 || + retlen != NAND_CACHE_SIZE) { + printf("read_nand_cached: error reading nand off %#x size %d bytes\n", + nand_cache_off, NAND_CACHE_SIZE); + return -1; + } + } + cpy_bytes = nand_cache_off + NAND_CACHE_SIZE - (off + bytes_read); + if (cpy_bytes > size - bytes_read) + cpy_bytes = size - bytes_read; + memcpy(buf + bytes_read, + nand_cache + off + bytes_read - nand_cache_off, + cpy_bytes); + bytes_read += cpy_bytes; + } + return bytes_read; +} + +static void *get_fl_mem(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); + return NULL; + } + if (read_nand_cached(off, size, buf) < 0) { + free(buf); + return NULL; + } + + return buf; +} + +static void *get_node_mem(u32 off) +{ + struct jffs2_unknown_node node; + void *ret = NULL; + + if (NULL == get_fl_mem(off, sizeof(node), &node)) + return NULL; + + if (!(ret = get_fl_mem(off, node.magic == + JFFS2_MAGIC_BITMASK ? node.totlen : sizeof(node), + NULL))) { + printf("off = %#x magic %#x type %#x node.totlen = %d\n", + off, node.magic, node.nodetype, node.totlen); + } + return ret; +} + +static void put_fl_mem(void *buf) +{ + free(buf); +} + +#else /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ + +static inline void *get_fl_mem(u32 off, u32 size, void *ext_buf) +{ + return (void*)off; +} + +static inline void *get_node_mem(u32 off) +{ + return (void*)off; +} + +static inline void put_fl_mem(void *buf) +{ +} + +#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ + /* Compression names */ static char *compr_names[] = { @@ -269,8 +393,12 @@ insert_node(struct b_list *list, u32 offset) */ static int compare_inodes(struct b_node *new, struct b_node *old) { - struct jffs2_raw_inode *jNew = (struct jffs2_raw_inode *)new->offset; - struct jffs2_raw_inode *jOld = (struct jffs2_raw_inode *)old->offset; + struct jffs2_raw_inode ojNew; + struct jffs2_raw_inode ojOld; + struct jffs2_raw_inode *jNew = + (struct jffs2_raw_inode *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew); + struct jffs2_raw_inode *jOld = + (struct jffs2_raw_inode *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld); return jNew->version > jOld->version; } @@ -282,8 +410,12 @@ static int compare_inodes(struct b_node *new, struct b_node *old) */ static int compare_dirents(struct b_node *new, struct b_node *old) { - struct jffs2_raw_dirent *jNew = (struct jffs2_raw_dirent *)new->offset; - struct jffs2_raw_dirent *jOld = (struct jffs2_raw_dirent *)old->offset; + struct jffs2_raw_dirent ojNew; + struct jffs2_raw_dirent ojOld; + struct jffs2_raw_dirent *jNew = + (struct jffs2_raw_dirent *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew); + struct jffs2_raw_dirent *jOld = + (struct jffs2_raw_dirent *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld); int cmp; /* ascending sort by pino */ @@ -322,8 +454,10 @@ 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; + u32 off; - while (offset < max && *(u32 *)offset == 0xFFFFFFFF) { + while (offset < max && + *(u32*)get_fl_mem((u32)offset, sizeof(u32), &off) == 0xFFFFFFFF) { offset += sizeof(u32); /* return if spinning is due */ if (((u32)offset & ((1 << SPIN_BLKSIZE)-1)) == 0) break; @@ -377,7 +511,8 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest) * we will live with it. */ for (b = pL->frag.listHead; b != NULL; b = b->next) { - jNode = (struct jffs2_raw_inode *) (b->offset); + jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset, + sizeof(struct jffs2_raw_inode), NULL); if ((inode == jNode->ino)) { /* get actual file length from the newest node */ if (jNode->version >= latestVersion) { @@ -385,11 +520,12 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest) latestVersion = jNode->version; } } + put_fl_mem(jNode); } #endif for (b = pL->frag.listHead; b != NULL; b = b->next) { - jNode = (struct jffs2_raw_inode *) (b->offset); + jNode = (struct jffs2_raw_inode *) get_node_mem(b->offset); if ((inode == jNode->ino)) { #if 0 putLabeledWord("\r\n\r\nread_inode: totlen = ", jNode->totlen); @@ -415,8 +551,10 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest) if(dest) { src = ((char *) jNode) + sizeof(struct jffs2_raw_inode); /* ignore data behind latest known EOF */ - if (jNode->offset > totalSize) + if (jNode->offset > totalSize) { + put_fl_mem(jNode); continue; + } lDest = (char *) (dest + jNode->offset); #if 0 @@ -447,6 +585,7 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest) default: /* unknown */ putLabeledWord("UNKOWN COMPRESSION METHOD = ", jNode->compr); + put_fl_mem(jNode); return -1; break; } @@ -458,6 +597,7 @@ jffs2_1pass_read_inode(struct b_lists *pL, u32 inode, char *dest) #endif } counter++; + put_fl_mem(jNode); } #if 0 @@ -483,12 +623,14 @@ jffs2_1pass_find_inode(struct b_lists * pL, const char *name, u32 pino) counter = 0; /* we need to search all and return the inode with the highest version */ for(b = pL->dir.listHead; b; b = b->next, counter++) { - jDir = (struct jffs2_raw_dirent *) (b->offset); + jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset); if ((pino == jDir->pino) && (len == jDir->nsize) && (jDir->ino) && /* 0 for unlink */ (!strncmp(jDir->name, name, len))) { /* a match */ - if (jDir->version < version) + if (jDir->version < version) { + put_fl_mem(jDir); continue; + } if (jDir->version == version && inode != 0) { /* I'm pretty sure this isn't legal */ @@ -508,6 +650,7 @@ jffs2_1pass_find_inode(struct b_lists * pL, const char *name, u32 pino) putLabeledWord("b = ", (u32) b); putLabeledWord("counter = ", counter); #endif + put_fl_mem(jDir); } return inode; } @@ -603,22 +746,26 @@ jffs2_1pass_list_inodes(struct b_lists * pL, u32 pino) struct jffs2_raw_dirent *jDir; for (b = pL->dir.listHead; b; b = b->next) { - jDir = (struct jffs2_raw_dirent *) (b->offset); + jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset); if ((pino == jDir->pino) && (jDir->ino)) { /* ino=0 -> unlink */ u32 i_version = 0; + struct jffs2_raw_inode ojNode; struct jffs2_raw_inode *jNode, *i = NULL; struct b_node *b2 = pL->frag.listHead; while (b2) { - jNode = (struct jffs2_raw_inode *) (b2->offset); + jNode = (struct jffs2_raw_inode *) + get_fl_mem(b2->offset, sizeof(ojNode), &ojNode); if (jNode->ino == jDir->ino && jNode->version >= i_version) - i = jNode; + i = get_fl_mem(b2->offset, sizeof(*i), NULL); b2 = b2->next; } dump_inode(pL, jDir, i); + put_fl_mem(i); } + put_fl_mem(jDir); } return pino; } @@ -686,7 +833,9 @@ jffs2_1pass_resolve_inode(struct b_lists * pL, u32 ino) struct b_node *b2; struct jffs2_raw_dirent *jDir; struct jffs2_raw_inode *jNode; - struct jffs2_raw_dirent *jDirFound = NULL; + u8 jDirFoundType = 0; + u32 jDirFoundIno = 0; + u32 jDirFoundPino = 0; char tmp[256]; u32 version = 0; u32 pino; @@ -694,12 +843,14 @@ jffs2_1pass_resolve_inode(struct b_lists * pL, u32 ino) /* we need to search all and return the inode with the highest version */ for(b = pL->dir.listHead; b; b = b->next) { - jDir = (struct jffs2_raw_dirent *) (b->offset); + jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset); if (ino == jDir->ino) { - if (jDir->version < version) + if (jDir->version < version) { + put_fl_mem(jDir); continue; + } - if (jDir->version == version && jDirFound) { + if (jDir->version == version && jDirFoundType) { /* I'm pretty sure this isn't legal */ putstr(" ** ERROR ** "); putnstr(jDir->name, jDir->nsize); @@ -707,19 +858,22 @@ jffs2_1pass_resolve_inode(struct b_lists * pL, u32 ino) version); } - jDirFound = jDir; + jDirFoundType = jDir->type; + jDirFoundIno = jDir->ino; + jDirFoundPino = jDir->pino; version = jDir->version; } + put_fl_mem(jDir); } /* now we found the right entry again. (shoulda returned inode*) */ - if (jDirFound->type != DT_LNK) - return jDirFound->ino; + if (jDirFoundType != DT_LNK) + return jDirFoundIno; /* it's a soft link so we follow it again. */ b2 = pL->frag.listHead; while (b2) { - jNode = (struct jffs2_raw_inode *) (b2->offset); - if (jNode->ino == jDirFound->ino) { + jNode = (struct jffs2_raw_inode *) get_node_mem(b2->offset); + if (jNode->ino == jDirFoundIno) { src = (unsigned char *) (b2->offset + sizeof(struct jffs2_raw_inode)); #if 0 @@ -730,16 +884,18 @@ jffs2_1pass_resolve_inode(struct b_lists * pL, u32 ino) #endif strncpy(tmp, src, jNode->dsize); tmp[jNode->dsize] = '\0'; + put_fl_mem(jNode); break; } b2 = b2->next; + put_fl_mem(jNode); } /* ok so the name of the new file to find is in tmp */ /* if it starts with a slash it is root based else shared dirs */ if (tmp[0] == '/') pino = 1; else - pino = jDirFound->pino; + pino = jDirFoundPino; return jffs2_1pass_search_inode(pL, tmp, pino); } @@ -796,6 +952,7 @@ unsigned char jffs2_1pass_rescan_needed(struct part_info *part) { struct b_node *b; + struct jffs2_unknown_node onode; struct jffs2_unknown_node *node; struct b_lists *pL = (struct b_lists *)part->jffs2_priv; @@ -814,10 +971,19 @@ jffs2_1pass_rescan_needed(struct part_info *part) 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) { - node = (struct jffs2_unknown_node *) (b->offset); + node = (struct jffs2_unknown_node *) get_fl_mem(b->offset, + sizeof(onode), &onode); if (node->nodetype != JFFS2_NODETYPE_DIRENT) { DEBUGF ("rescan: fs changed beneath me? (%lx)\n", (unsigned long) b->offset); @@ -833,12 +999,14 @@ static void dump_fragments(struct b_lists *pL) { struct b_node *b; + struct jffs2_raw_inode ojNode; struct jffs2_raw_inode *jNode; putstr("\r\n\r\n******The fragment Entries******\r\n"); b = pL->frag.listHead; while (b) { - jNode = (struct jffs2_raw_inode *) (b->offset); + jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset, + sizeof(ojNode), &ojNode); putLabeledWord("\r\n\tbuild_list: FLASH_OFFSET = ", b->offset); putLabeledWord("\tbuild_list: totlen = ", jNode->totlen); putLabeledWord("\tbuild_list: inode = ", jNode->ino); @@ -867,7 +1035,7 @@ dump_dirents(struct b_lists *pL) putstr("\r\n\r\n******The directory Entries******\r\n"); b = pL->dir.listHead; while (b) { - jDir = (struct jffs2_raw_dirent *) (b->offset); + jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset); putstr("\r\n"); putnstr(jDir->name, jDir->nsize); putLabeledWord("\r\n\tbuild_list: magic = ", jDir->magic); @@ -883,6 +1051,7 @@ dump_dirents(struct b_lists *pL) putLabeledWord("\tbuild_list: name_crc = ", jDir->name_crc); putLabeledWord("\tbuild_list: offset = ", b->offset); /* FIXME: ? [RS] */ b = b->next; + put_fl_mem(jDir); } } #endif @@ -899,6 +1068,10 @@ 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. */ @@ -918,22 +1091,26 @@ jffs2_1pass_build_lists(struct part_info * part) oldoffset = offset; } - node = (struct jffs2_unknown_node *) (part->offset + offset); + node = (struct jffs2_unknown_node *) get_node_mem((u32)part->offset + offset); if (node->magic == JFFS2_MAGIC_BITMASK && hdr_crc(node)) { /* if its a fragment add it */ if (node->nodetype == JFFS2_NODETYPE_INODE && inode_crc((struct jffs2_raw_inode *) node)) { if (insert_node(&pL->frag, (u32) part->offset + - offset) == NULL) + offset) == NULL) { + put_fl_mem(node); return 0; + } } else if (node->nodetype == JFFS2_NODETYPE_DIRENT && dirent_crc((struct jffs2_raw_dirent *) node) && dirent_name_crc((struct jffs2_raw_dirent *) node)) { if (! (counterN%100)) puts ("\b\b. "); if (insert_node(&pL->dir, (u32) part->offset + - offset) == NULL) + offset) == NULL) { + put_fl_mem(node); return 0; + } counterN++; } else if (node->nodetype == JFFS2_NODETYPE_CLEANMARKER) { if (node->totlen != sizeof(struct jffs2_unknown_node)) @@ -960,7 +1137,7 @@ jffs2_1pass_build_lists(struct part_info * part) counter4++; } /* printf("unknown node magic %4.4x %4.4x @ %lx\n", node->magic, node->nodetype, (unsigned long)node); */ - + put_fl_mem(node); } putstr("\b\b done.\r\n"); /* close off the dots */ @@ -993,6 +1170,7 @@ static u32 jffs2_1pass_fill_info(struct b_lists * pL, struct b_jffs2_info * piL) { struct b_node *b; + struct jffs2_raw_inode ojNode; struct jffs2_raw_inode *jNode; int i; @@ -1004,7 +1182,8 @@ jffs2_1pass_fill_info(struct b_lists * pL, struct b_jffs2_info * piL) b = pL->frag.listHead; while (b) { - jNode = (struct jffs2_raw_inode *) (b->offset); + jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset, + sizeof(ojNode), &ojNode); if (jNode->compr < JFFS2_NUM_COMPR) { piL->compr_info[jNode->compr].num_frags++; piL->compr_info[jNode->compr].compr_sum += jNode->csize; diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index c2c372a449..d03f5c53e3 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -93,7 +93,8 @@ CFG_CMD_I2C | \ CFG_CMD_IRQ | \ CFG_CMD_MII | \ - CFG_CMD_NAND ) + CFG_CMD_NAND | \ + CFG_CMD_JFFS2) #define CONFIG_MAC_PARTITION #define CONFIG_DOS_PARTITION @@ -345,10 +346,11 @@ /*----------------------------------------------------------------------- * Environment Variable setup */ -#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */ -#define CFG_ENV_OFFSET 0x100 /* environment starts at the beginning of the EEPROM */ -#define CFG_ENV_SIZE 0x700 /* 2048 bytes may be used for env vars*/ - /* total size of a CAT24WC16 is 2048 bytes */ +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ +#define CFG_ENV_ADDR 0xFFFF8000 /* environment starts at the first small sector */ +#define CFG_ENV_SECT_SIZE 0x2000 /* 8196 bytes may be used for env vars*/ +#define CFG_ENV_ADDR_REDUND 0xFFFFA000 +#define CFG_ENV_SIZE_REDUND 0x2000 #define CFG_NVRAM_BASE_ADDR 0xF0000500 /* NVRAM base address */ #define CFG_NVRAM_SIZE 242 /* NVRAM size */ @@ -694,4 +696,10 @@ #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 */ + #endif /* __CONFIG_H */ -- cgit v1.2.3