+++ /dev/null
-/*
- * (C) Copyright 2013
- *
- * Ma Haijun <mahaijuns@gmail.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <spl.h>
-#include <asm/u-boot.h>
-#include <asm/utils.h>
-#include <version.h>
-#include <part.h>
-#include <fat.h>
-#include <ext4fs.h>
-
-/* should be implemented by board */
-extern void spl_block_device_init(void);
-
-block_dev_desc_t * spl_get_block_device(void)
-{
- block_dev_desc_t * device;
-
- spl_block_device_init();
-
- device = get_dev(CONFIG_SPL_BLOCKDEV_INTERFACE, CONFIG_SPL_BLOCKDEV_ID);
- if (!device) {
- printf("blk device %s%d not exists\n",
- CONFIG_SPL_BLOCKDEV_INTERFACE,
- CONFIG_SPL_BLOCKDEV_ID);
- hang();
- }
-
- return device;
-}
-
-#ifdef CONFIG_SPL_FAT_SUPPORT
-static int block_load_image_fat(const char *filename)
-{
- int err;
- struct image_header *header;
-
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
-
- err = file_fat_read(filename, header, sizeof(struct image_header));
- if (err <= 0)
- goto end;
-
- spl_parse_image_header(header);
-
- err = file_fat_read(filename, (u8 *)spl_image.load_addr, 0);
-
-end:
- if (err <= 0)
- printf("spl: error reading image %s, err - %d\n",
- filename, err);
-
- return (err <= 0);
-}
-
-#ifdef CONFIG_SPL_OS_BOOT
-static int block_load_image_fat_os(void)
-{
- int err;
-
- err = file_fat_read(CONFIG_SPL_FAT_LOAD_ARGS_NAME,
- (void *)CONFIG_SYS_SPL_ARGS_ADDR, 0);
- if (err <= 0) {
- return -1;
- }
-
- return block_load_image_fat(CONFIG_SPL_FAT_LOAD_KERNEL_NAME);
-}
-#endif
-
-void spl_block_load_image(void)
-{
- int err;
- block_dev_desc_t * device;
-
- device = spl_get_block_device();
- err = fat_register_device(device, CONFIG_BLOCKDEV_FAT_BOOT_PARTITION);
- if (err) {
- printf("spl: fat register err - %d\n", err);
- hang();
- }
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || block_load_image_fat_os())
-#endif
- {
- err = block_load_image_fat(CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME);
- if (err)
- hang();
- }
-}
-#elif defined(CONFIG_SPL_EXT4_SUPPORT) /* end CONFIG_SPL_FAT_SUPPORT */
-static int block_load_image_ext4(const char *filename)
-{
- int err;
- struct image_header *header;
-
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
-
- err = ext4_read_file(filename, header, 0, sizeof(struct image_header));
- if (err <= 0)
- goto end;
-
- spl_parse_image_header(header);
-
- err = ext4_read_file(filename, (u8 *)spl_image.load_addr, 0, 0);
-
-end:
- return (err <= 0);
-}
-
-#ifdef CONFIG_SPL_OS_BOOT
-static int block_load_image_ext4_os(void)
-{
- int err;
-
- err = ext4_read_file(CONFIG_SPL_EXT4_LOAD_ARGS_NAME,
- (void *)CONFIG_SYS_SPL_ARGS_ADDR, 0, 0);
- if (err <= 0) {
- return -1;
- }
-
- return block_load_image_ext4(CONFIG_SPL_EXT4_LOAD_KERNEL_NAME);
-}
-#endif
-
-void spl_block_load_image(void)
-{
- int err;
- block_dev_desc_t * device;
-
- device = spl_get_block_device();
- err = ext4_register_device(device, CONFIG_BLOCKDEV_EXT4_BOOT_PARTITION);
- if (err) {
- hang();
- }
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || block_load_image_ext4_os())
-#endif
- {
- err = block_load_image_ext4(CONFIG_SPL_EXT4_LOAD_PAYLOAD_NAME);
- if (err)
- hang();
- }
-}
-#else /* end CONFIG_SPL_EXT4_SUPPORT */
-static int block_load_image_raw(block_dev_desc_t * device, lbaint_t sector)
-{
- int n;
- u32 image_size_sectors;
- struct image_header *header;
-
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
- sizeof(struct image_header));
-
- /* read image header to find the image size & load address */
- n = device->block_read(device->dev, sector, 1, header);
-
- if (n != 1) {
- printf("spl: blk read err\n");
- return 1;
- }
-
- spl_parse_image_header(header);
-
- /* convert size to sectors - round up */
- image_size_sectors = (spl_image.size + 512 - 1) / 512;
- n = device->block_read(device->dev, sector, image_size_sectors,
- (void *)spl_image.load_addr);
-
- if (n != image_size_sectors) {
- printf("spl: blk read err\n");
- return 1;
- }
- return 0;
-}
-
-#ifdef CONFIG_SPL_OS_BOOT
-static int block_load_image_raw_os(block_dev_desc_t * device)
-{
- int n;
-
- n = device->block_read(device->dev, CONFIG_SYS_BLOCK_RAW_MODE_ARGS_SECTOR,
- CONFIG_SYS_BLOCK_RAW_MODE_ARGS_SECTORS,
- (u32 *)CONFIG_SYS_SPL_ARGS_ADDR);
- /* flush cache after read */
- flush_cache(addr, CONFIG_SYS_BLOCK_RAW_MODE_ARGS_SECTORS * 512);
-
- if (n != CONFIG_SYS_BLOCK_RAW_MODE_ARGS_SECTORS) {
- printf("args blk read error\n");
- return -1;
- }
-
- return block_load_image_raw(device, CONFIG_SYS_BLOCK_RAW_MODE_KERNEL_SECTOR);
-}
-#endif
-
-void spl_block_load_image(void)
-{
- int err;
- block_dev_desc_t * device;
-
- device = spl_get_block_device();
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || block_load_image_raw_os(device))
-#endif
- {
- err = block_load_image_raw(device,
- CONFIG_SYS_BLOCK_RAW_MODE_U_BOOT_SECTOR);
- if (err)
- hang();
- }
-}
-#endif /* CONFIG_SPL_FAT_SUPPORT */
projects / openwrt / staging / nbd.git / blobdiff