diff options
| author | Roger Quadros <rogerq@kernel.org> | 2022-12-20 12:22:00 +0200 |
|---|---|---|
| committer | Dario Binacchi <dario.binacchi@amarulasolutions.com> | 2023-01-08 10:38:50 +0100 |
| commit | b747090705ec1eaa7c841334d4566f45966bf8ca (patch) | |
| tree | 522e7c0e56906666f831e0785472ec5e8daa1431 /drivers/mtd/nand/raw/omap_gpmc.c | |
| parent | ff0d078942382ffdcbcfe44083427385dface1eb (diff) | |
mtd: rawnand: omap_gpmc: Add SPL NAND support
Enables SPL NAND support for ARCH_K3 by enabling
SPL_NAND_INIT and SPL_SYS_NAND_SELF_INIT.
Legacy OMAP2plus platforms still rely on SPL_NAND_AM33XX_BCH
instead.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/all/20221220102203.52398-6-rogerq@kernel.org
Diffstat (limited to 'drivers/mtd/nand/raw/omap_gpmc.c')
| -rw-r--r-- | drivers/mtd/nand/raw/omap_gpmc.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/omap_gpmc.c b/drivers/mtd/nand/raw/omap_gpmc.c index fa60c371c2d..4d5f2455df3 100644 --- a/drivers/mtd/nand/raw/omap_gpmc.c +++ b/drivers/mtd/nand/raw/omap_gpmc.c @@ -1263,3 +1263,43 @@ int board_nand_init(struct nand_chip *nand) } #endif /* CONFIG_SYS_NAND_SELF_INIT */ + +#if defined(CONFIG_SPL_NAND_INIT) + +/* nand_init() is provided by nand.c */ + +/* Unselect after operation */ +void nand_deselect(void) +{ + struct mtd_info *mtd = nand_to_mtd(nand_chip); + + if (nand_chip->select_chip) + nand_chip->select_chip(mtd, -1); +} + +static int nand_is_bad_block(int block) +{ + struct mtd_info *mtd = nand_to_mtd(nand_chip); + + loff_t ofs = block * CONFIG_SYS_NAND_BLOCK_SIZE; + + return nand_chip->block_bad(mtd, ofs); +} + +static int nand_read_page(int block, int page, uchar *dst) +{ + int page_addr = block * CONFIG_SYS_NAND_PAGE_COUNT + page; + loff_t ofs = page_addr * CONFIG_SYS_NAND_PAGE_SIZE; + int ret; + size_t len = CONFIG_SYS_NAND_PAGE_SIZE; + struct mtd_info *mtd = nand_to_mtd(nand_chip); + + ret = nand_read(mtd, ofs, &len, dst); + if (ret) + printf("nand_read failed %d\n", ret); + + return ret; +} + +#include "nand_spl_loaders.c" +#endif /* CONFIG_SPL_NAND_INIT */ |