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drivers: mtd: nand: spl: Add support for nand SPL load image

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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>
This commit is contained in:
Dinesh Maniyam
2025-03-15 10:35:01 +01:00
committed by Michael Trimarchi
parent 597fe4098d
commit 8855146b4d
1 changed files with 59 additions and 0 deletions
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drivers/mtd/nand/raw/cadence_spl.c
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// 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"