diff options
| author | Dinesh Maniyam <dinesh.maniyam@intel.com> | 2025-02-27 00:18:29 +0800 |
|---|---|---|
| committer | Michael Trimarchi <michael@amarulasolutions.com> | 2025-03-15 10:35:01 +0100 |
| commit | 8855146b4da049cc4a3200c77759a3fa1b6e3cfd (patch) | |
| tree | 1c90acf580bf8571a5dcc806923b652622332e33 /drivers/mtd | |
| parent | 597fe4098dabdd05c44ec1d68e990a61798cad38 (diff) | |
drivers: mtd: nand: spl: Add support for nand SPL load image
Add support for spl nand to load binary image from NAND
to RAM. Leverage the existing nand_spl_load_image from nand_spl_loaders.c
Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/cadence_spl.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/cadence_spl.c b/drivers/mtd/nand/raw/cadence_spl.c new file mode 100644 index 00000000000..17058e49faa --- /dev/null +++ b/drivers/mtd/nand/raw/cadence_spl.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2024 Intel Corporation <www.intel.com> + */ + +#include <cadence-nand.h> +#include <dm.h> +#include <hang.h> +#include <nand.h> +#include <system-constants.h> + +/* Unselect after operation */ +void nand_deselect(void) +{ + struct mtd_info *mtd; + struct nand_chip *chip; + + mtd = get_nand_dev_by_index(nand_curr_device); + if (!mtd) + hang(); + chip = mtd_to_nand(mtd); + + if (chip->select_chip) + chip->select_chip(mtd, -1); +} + +static int nand_is_bad_block(int block) +{ + struct mtd_info *mtd; + struct nand_chip *chip; + loff_t ofs = block * CONFIG_SYS_NAND_BLOCK_SIZE; + + mtd = get_nand_dev_by_index(nand_curr_device); + if (!mtd) + hang(); + chip = mtd_to_nand(mtd); + + return chip->block_bad(mtd, ofs); +} + +static int nand_read_page(int block, int page, uchar *dst) +{ + struct mtd_info *mtd; + int page_addr = block * SYS_NAND_BLOCK_PAGES + page; + loff_t ofs = page_addr * CONFIG_SYS_NAND_PAGE_SIZE; + int ret; + size_t len = CONFIG_SYS_NAND_PAGE_SIZE; + + mtd = get_nand_dev_by_index(nand_curr_device); + if (!mtd) + hang(); + + ret = nand_read(mtd, ofs, &len, dst); + if (ret) + printf("nand_read failed %d\n", ret); + + return ret; +} +#include "nand_spl_loaders.c" |