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| author | Marek Vasut <marek.vasut@gmail.com> | 2011-09-22 03:57:26 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2011-10-03 18:35:12 -0500 |
| commit | ce80ddc1809193bc450b4d1e104d1ab2f9ee8dd2 (patch) | |
| tree | 5480eff5e27a0fd7a905a71aed2234c06a3d9e06 /common/cmd_nand.c | |
| parent | 17d261df18acfab96dcb5e0e078d2fe81a7d70ad (diff) | |
| download | blackbird-obmc-uboot-ce80ddc1809193bc450b4d1e104d1ab2f9ee8dd2.tar.gz blackbird-obmc-uboot-ce80ddc1809193bc450b4d1e104d1ab2f9ee8dd2.zip | |
NAND: Make page, erase, oob size available via cmd_nand
The "nand info" and "nand device" now set shell/environment variables:
nand_writesize ... nand page size
nand_oobsize ..... nand oob area size
nand_erasesize ... nand erase block size
Also, the "nand info" command now displays this info.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
[scottwood@freescale.com: removed unnecessary memsets]
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'common/cmd_nand.c')
| -rw-r--r-- | common/cmd_nand.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index c726bf909b..3e2edb8aaa 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -362,15 +362,31 @@ usage: #endif -static void nand_print_info(int idx) +static void nand_print_and_set_info(int idx) { nand_info_t *nand = &nand_info[idx]; struct nand_chip *chip = nand->priv; + const int bufsz = 32; + char buf[bufsz]; + printf("Device %d: ", idx); if (chip->numchips > 1) printf("%dx ", chip->numchips); printf("%s, sector size %u KiB\n", nand->name, nand->erasesize >> 10); + printf(" Page size %8d b\n", nand->writesize); + printf(" OOB size %8d b\n", nand->oobsize); + printf(" Erase size %8d b\n", nand->erasesize); + + /* Set geometry info */ + sprintf(buf, "%x", nand->writesize); + setenv("nand_writesize", buf); + + sprintf(buf, "%x", nand->oobsize); + setenv("nand_oobsize", buf); + + sprintf(buf, "%x", nand->erasesize); + setenv("nand_erasesize", buf); } int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) @@ -407,7 +423,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) putc('\n'); for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { if (nand_info[i].name) - nand_print_info(i); + nand_print_and_set_info(i); } return 0; } @@ -418,7 +434,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE) puts("no devices available\n"); else - nand_print_info(dev); + nand_print_and_set_info(dev); return 0; } |
