// SPDX-License-Identifier: GPL-2.0
|
/*
|
* Copyright (c) 2019 Fuzhou Rockchip Electronics Co., Ltd
|
*/
|
|
#include <common.h>
|
#include <blk.h>
|
#include <boot_rkimg.h>
|
#include <dm.h>
|
#include <errno.h>
|
#include <image.h>
|
#include <malloc.h>
|
#include <mtd_blk.h>
|
#include <part.h>
|
#include <spl.h>
|
#include <spl_ab.h>
|
#include <spl_rkfw.h>
|
#include <asm/u-boot.h>
|
#include <dm/device-internal.h>
|
#include <linux/compiler.h>
|
#include <linux/mtd/mtd.h>
|
|
static int spl_mtd_get_device_index(u32 boot_device)
|
{
|
switch (boot_device) {
|
case BOOT_DEVICE_MTD_BLK_NAND:
|
return 0;
|
case BOOT_DEVICE_MTD_BLK_SPI_NAND:
|
return 1;
|
case BOOT_DEVICE_MTD_BLK_SPI_NOR:
|
return 2;
|
}
|
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
printf("spl: unsupported mtd boot device.\n");
|
#endif
|
|
return -ENODEV;
|
}
|
|
struct blk_desc *find_mtd_device(int dev_num)
|
{
|
struct udevice *dev;
|
struct blk_desc *desc;
|
int ret;
|
|
ret = blk_find_device(IF_TYPE_MTD, dev_num, &dev);
|
|
if (ret) {
|
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
|
printf("MTD Device %d not found\n", dev_num);
|
#endif
|
return NULL;
|
}
|
|
ret = device_probe(dev);
|
if (ret) {
|
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
|
printf("MTD Device %d not found\n", dev_num);
|
#endif
|
return NULL;
|
}
|
|
desc = dev_get_uclass_platdata(dev);
|
if (!desc)
|
return NULL;
|
|
return desc;
|
}
|
|
static ulong mtd_spl_load_read(struct spl_load_info *load, ulong sector,
|
ulong count, void *buf)
|
{
|
struct blk_desc *desc = load->dev;
|
|
return blk_dread(desc, sector, count, buf);
|
}
|
|
#ifdef CONFIG_SPL_LOAD_RKFW
|
int spl_mtd_load_rkfw(struct spl_image_info *spl_image, struct blk_desc *desc)
|
{
|
struct spl_load_info load;
|
int ret;
|
|
load.dev = desc;
|
load.priv = NULL;
|
load.filename = NULL;
|
load.bl_len = desc->blksz;
|
load.read = mtd_spl_load_read;
|
|
ret = spl_load_rkfw_image(spl_image, &load);
|
if (ret) {
|
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
|
puts("spl_mtd_load_rkfw: mtd block read error\n");
|
#endif
|
return -1;
|
}
|
|
return 0;
|
}
|
#endif
|
|
int spl_mtd_load_image(struct spl_image_info *spl_image,
|
struct spl_boot_device *bootdev)
|
{
|
struct image_header *header;
|
struct blk_desc *desc;
|
int ret = -1;
|
lbaint_t image_sector = CONFIG_MTD_BLK_U_BOOT_OFFS;
|
|
desc = find_mtd_device(spl_mtd_get_device_index(bootdev->boot_device));
|
if (!desc)
|
return -ENODEV;
|
|
#ifdef CONFIG_SPL_LIBDISK_SUPPORT
|
disk_partition_t info;
|
|
mtd_blk_map_partitions(desc);
|
ret = part_get_info_by_name(desc, PART_UBOOT, &info);
|
if (ret > 0)
|
image_sector = info.start;
|
|
#endif
|
if (IS_ENABLED(CONFIG_SPL_LOAD_FIT)) {
|
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
|
sizeof(struct image_header));
|
ret = blk_dread(desc, image_sector, 1, header);
|
if (ret != 1)
|
return -ENODEV;
|
|
#ifdef CONFIG_SPL_FIT_IMAGE_MULTIPLE
|
if (image_get_magic(header) == FDT_MAGIC ||
|
CONFIG_SPL_FIT_IMAGE_MULTIPLE > 1) {
|
#else
|
if (image_get_magic(header) == FDT_MAGIC) {
|
#endif
|
struct spl_load_info load;
|
|
load.dev = desc;
|
load.priv = NULL;
|
load.filename = NULL;
|
load.bl_len = desc->blksz;
|
load.read = mtd_spl_load_read;
|
|
ret = spl_load_simple_fit(spl_image, &load,
|
image_sector,
|
header);
|
}
|
}
|
|
if (!ret)
|
return 0;
|
|
if (IS_ENABLED(CONFIG_SPL_LOAD_RKFW)) {
|
#ifdef CONFIG_SPL_LOAD_RKFW
|
ret = spl_mtd_load_rkfw(spl_image, desc);
|
#endif
|
}
|
|
return ret;
|
}
|
|
SPL_LOAD_IMAGE_METHOD("MTD0", 0, BOOT_DEVICE_MTD_BLK_NAND, spl_mtd_load_image);
|
SPL_LOAD_IMAGE_METHOD("MTD1", 0, BOOT_DEVICE_MTD_BLK_SPI_NAND, spl_mtd_load_image);
|
SPL_LOAD_IMAGE_METHOD("MTD2", 0, BOOT_DEVICE_MTD_BLK_SPI_NOR, spl_mtd_load_image);
|
