diff options
Diffstat (limited to 'meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch')
-rw-r--r-- | meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch b/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch deleted file mode 100644 index 37b2807908..0000000000 --- a/meta/packages/uboot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch +++ /dev/null | |||
@@ -1,69 +0,0 @@ | |||
1 | Scan also the second OOB page for bad block information. | ||
2 | |||
3 | board/neo1973/gta01/nand.c (board_nand_init): added board-specific badblock | ||
4 | pattern which sets NAND_BBT_SCAN2NDPAGE | ||
5 | drivers/nand/nand_base.c (nand_block_bad): also consider the second page in a | ||
6 | block if NAND_BBT_SCAN2NDPAGE is set | ||
7 | |||
8 | - Werner Almesberger <werner@openmoko.org> | ||
9 | |||
10 | Index: u-boot/board/neo1973/gta01/nand.c | ||
11 | =================================================================== | ||
12 | --- u-boot.orig/board/neo1973/gta01/nand.c | ||
13 | +++ u-boot/board/neo1973/gta01/nand.c | ||
14 | @@ -113,9 +113,23 @@ | ||
15 | } | ||
16 | |||
17 | |||
18 | +/* Derived from drivers/nand/nand_bbt.c:smallpage_flashbased */ | ||
19 | + | ||
20 | +static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; | ||
21 | + | ||
22 | +static struct nand_bbt_descr badblock_pattern = { | ||
23 | + .options = | ||
24 | + NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES | NAND_BBT_SCAN2NDPAGE, | ||
25 | + .offs = 5, | ||
26 | + .len = 1, | ||
27 | + .pattern = scan_ff_pattern | ||
28 | +}; | ||
29 | + | ||
30 | + | ||
31 | int board_nand_init(struct nand_chip *nand) | ||
32 | { | ||
33 | nand->read_otp = samsung_nand_read_otp; | ||
34 | nand->write_otp = samsung_nand_write_otp; | ||
35 | + nand->badblock_pattern = &badblock_pattern; | ||
36 | return s3c24x0_nand_init(nand); | ||
37 | } | ||
38 | Index: u-boot/drivers/nand/nand_base.c | ||
39 | =================================================================== | ||
40 | --- u-boot.orig/drivers/nand/nand_base.c | ||
41 | +++ u-boot/drivers/nand/nand_base.c | ||
42 | @@ -421,7 +421,7 @@ | ||
43 | * | ||
44 | * Check, if the block is bad. | ||
45 | */ | ||
46 | -static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) | ||
47 | +static int nand_block_bad_page(struct mtd_info *mtd, loff_t ofs, int getchip) | ||
48 | { | ||
49 | int page, chipnr, res = 0; | ||
50 | struct nand_chip *this = mtd->priv; | ||
51 | @@ -460,6 +460,18 @@ | ||
52 | return res; | ||
53 | } | ||
54 | |||
55 | +static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) | ||
56 | +{ | ||
57 | + struct nand_chip *this = mtd->priv; | ||
58 | + | ||
59 | + if (nand_block_bad_page(mtd, ofs, getchip)) | ||
60 | + return 1; | ||
61 | + if (this->badblock_pattern->options & NAND_BBT_SCAN2NDPAGE && | ||
62 | + nand_block_bad_page(mtd, ofs+(1 << this->page_shift), getchip)) | ||
63 | + return 1; | ||
64 | + return 0; | ||
65 | +} | ||
66 | + | ||
67 | /** | ||
68 | * nand_default_block_markbad - [DEFAULT] mark a block bad | ||
69 | * @mtd: MTD device structure | ||