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* Configure PPChameleon board to use redundand environment in flash

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* Configure PPChameleon board to use JFFS2 NAND support.

* Added support for JFFS2 filesystem (read-only) on top of NAND flash
This commit is contained in:
wdenk
2004-04-18 19:43:36 +00:00
parent 6e5923851e
commit 998eaaecd4
9 changed files with 306 additions and 43 deletions
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15
common/cmd_nand.c
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@@ -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) */