diff options
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch')
-rw-r--r-- | packages/u-boot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch deleted file mode 100644 index 37b2807908..0000000000 --- a/packages/u-boot/u-boot-mkimage-openmoko-native/bbt-scan-second.patch +++ /dev/null @@ -1,69 +0,0 @@ -Scan also the second OOB page for bad block information. - -board/neo1973/gta01/nand.c (board_nand_init): added board-specific badblock - pattern which sets NAND_BBT_SCAN2NDPAGE -drivers/nand/nand_base.c (nand_block_bad): also consider the second page in a - block if NAND_BBT_SCAN2NDPAGE is set - -- Werner Almesberger <werner@openmoko.org> - -Index: u-boot/board/neo1973/gta01/nand.c -=================================================================== ---- u-boot.orig/board/neo1973/gta01/nand.c -+++ u-boot/board/neo1973/gta01/nand.c -@@ -113,9 +113,23 @@ - } - - -+/* Derived from drivers/nand/nand_bbt.c:smallpage_flashbased */ -+ -+static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; -+ -+static struct nand_bbt_descr badblock_pattern = { -+ .options = -+ NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES | NAND_BBT_SCAN2NDPAGE, -+ .offs = 5, -+ .len = 1, -+ .pattern = scan_ff_pattern -+}; -+ -+ - int board_nand_init(struct nand_chip *nand) - { - nand->read_otp = samsung_nand_read_otp; - nand->write_otp = samsung_nand_write_otp; -+ nand->badblock_pattern = &badblock_pattern; - return s3c24x0_nand_init(nand); - } -Index: u-boot/drivers/nand/nand_base.c -=================================================================== ---- u-boot.orig/drivers/nand/nand_base.c -+++ u-boot/drivers/nand/nand_base.c -@@ -421,7 +421,7 @@ - * - * Check, if the block is bad. - */ --static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) -+static int nand_block_bad_page(struct mtd_info *mtd, loff_t ofs, int getchip) - { - int page, chipnr, res = 0; - struct nand_chip *this = mtd->priv; -@@ -460,6 +460,18 @@ - return res; - } - -+static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) -+{ -+ struct nand_chip *this = mtd->priv; -+ -+ if (nand_block_bad_page(mtd, ofs, getchip)) -+ return 1; -+ if (this->badblock_pattern->options & NAND_BBT_SCAN2NDPAGE && -+ nand_block_bad_page(mtd, ofs+(1 << this->page_shift), getchip)) -+ return 1; -+ return 0; -+} -+ - /** - * nand_default_block_markbad - [DEFAULT] mark a block bad - * @mtd: MTD device structure |