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https://github.com/AsahiLinux/u-boot
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6f3858d732
i.MX8ULP support using ROM API to load container image, it use same ROM API as i.MX8MN/MP, and use same container format as i.MX8QM/QXP. Signed-off-by: Ye Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
388 lines
8.5 KiB
C
388 lines
8.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2019 NXP
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*/
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#include <common.h>
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#include <errno.h>
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#include <image.h>
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#include <log.h>
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#include <asm/global_data.h>
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#include <linux/libfdt.h>
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#include <spl.h>
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#include <asm/mach-imx/image.h>
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#include <asm/arch/sys_proto.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Caller need ensure the offset and size to align with page size */
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ulong spl_romapi_raw_seekable_read(u32 offset, u32 size, void *buf)
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{
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volatile gd_t *pgd = gd;
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int ret;
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debug("%s 0x%x, size 0x%x\n", __func__, offset, size);
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ret = g_rom_api->download_image(buf, offset, size,
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((uintptr_t)buf) ^ offset ^ size);
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set_gd(pgd);
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if (ret == ROM_API_OKAY)
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return size;
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printf("%s Failure when load 0x%x, size 0x%x\n", __func__, offset, size);
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return 0;
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}
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ulong __weak spl_romapi_get_uboot_base(u32 image_offset, u32 rom_bt_dev)
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{
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u32 offset;
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if (((rom_bt_dev >> 16) & 0xff) == BT_DEV_TYPE_FLEXSPINOR)
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offset = CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512;
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else
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offset = image_offset + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512 - 0x8000;
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return offset;
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}
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static int is_boot_from_stream_device(u32 boot)
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{
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u32 interface;
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interface = boot >> 16;
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if (interface >= BT_DEV_TYPE_USB)
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return 1;
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if (interface == BT_DEV_TYPE_MMC && (boot & 1))
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return 1;
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return 0;
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}
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static ulong spl_romapi_read_seekable(struct spl_load_info *load,
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ulong sector, ulong count,
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void *buf)
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{
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u32 pagesize = *(u32 *)load->priv;
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ulong byte = count * pagesize;
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u32 offset;
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offset = sector * pagesize;
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return spl_romapi_raw_seekable_read(offset, byte, buf) / pagesize;
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}
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static int spl_romapi_load_image_seekable(struct spl_image_info *spl_image,
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struct spl_boot_device *bootdev,
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u32 rom_bt_dev)
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{
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volatile gd_t *pgd = gd;
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int ret;
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u32 offset;
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u32 pagesize, size;
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struct image_header *header;
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u32 image_offset;
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ret = g_rom_api->query_boot_infor(QUERY_IVT_OFF, &offset,
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((uintptr_t)&offset) ^ QUERY_IVT_OFF);
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ret |= g_rom_api->query_boot_infor(QUERY_PAGE_SZ, &pagesize,
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((uintptr_t)&pagesize) ^ QUERY_PAGE_SZ);
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ret |= g_rom_api->query_boot_infor(QUERY_IMG_OFF, &image_offset,
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((uintptr_t)&image_offset) ^ QUERY_IMG_OFF);
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set_gd(pgd);
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if (ret != ROM_API_OKAY) {
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puts("ROMAPI: Failure query boot infor pagesize/offset\n");
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return -1;
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}
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header = (struct image_header *)(CONFIG_SPL_IMX_ROMAPI_LOADADDR);
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printf("image offset 0x%x, pagesize 0x%x, ivt offset 0x%x\n",
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image_offset, pagesize, offset);
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offset = spl_romapi_get_uboot_base(image_offset, rom_bt_dev);
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size = ALIGN(sizeof(struct image_header), pagesize);
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ret = g_rom_api->download_image((u8 *)header, offset, size,
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((uintptr_t)header) ^ offset ^ size);
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set_gd(pgd);
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if (ret != ROM_API_OKAY) {
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printf("ROMAPI: download failure offset 0x%x size 0x%x\n",
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offset, size);
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return -1;
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}
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && image_get_magic(header) == FDT_MAGIC) {
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struct spl_load_info load;
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memset(&load, 0, sizeof(load));
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load.bl_len = pagesize;
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load.read = spl_romapi_read_seekable;
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load.priv = &pagesize;
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return spl_load_simple_fit(spl_image, &load, offset / pagesize, header);
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} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
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struct spl_load_info load;
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memset(&load, 0, sizeof(load));
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load.bl_len = pagesize;
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load.read = spl_romapi_read_seekable;
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load.priv = &pagesize;
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ret = spl_load_imx_container(spl_image, &load, offset / pagesize);
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} else {
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/* TODO */
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puts("Can't support legacy image\n");
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return -1;
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}
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return 0;
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}
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static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector,
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ulong count, void *buf)
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{
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memcpy(buf, (void *)(sector), count);
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if (load->priv) {
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ulong *p = (ulong *)load->priv;
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ulong total = sector + count;
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if (total > *p)
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*p = total;
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}
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return count;
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}
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static ulong get_fit_image_size(void *fit)
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{
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struct spl_image_info spl_image;
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struct spl_load_info spl_load_info;
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ulong last = (ulong)fit;
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memset(&spl_load_info, 0, sizeof(spl_load_info));
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spl_load_info.bl_len = 1;
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spl_load_info.read = spl_ram_load_read;
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spl_load_info.priv = &last;
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spl_load_simple_fit(&spl_image, &spl_load_info,
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(uintptr_t)fit, fit);
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return last - (ulong)fit;
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}
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static u8 *search_fit_header(u8 *p, int size)
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{
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int i;
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for (i = 0; i < size; i += 4)
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if (genimg_get_format(p + i) == IMAGE_FORMAT_FIT)
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return p + i;
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return NULL;
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}
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static u8 *search_container_header(u8 *p, int size)
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{
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int i = 0;
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u8 *hdr;
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for (i = 0; i < size; i += 4) {
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hdr = p + i;
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if (*(hdr + 3) == 0x87 && *hdr == 0 && (*(hdr + 1) != 0 || *(hdr + 2) != 0))
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return p + i;
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}
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return NULL;
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}
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static u8 *search_img_header(u8 *p, int size)
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{
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
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return search_fit_header(p, size);
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else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
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return search_container_header(p, size);
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return NULL;
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}
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static u32 img_header_size(void)
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{
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
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return sizeof(struct fdt_header);
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else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
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return sizeof(struct container_hdr);
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return 0;
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}
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static int img_info_size(void *img_hdr)
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{
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#ifdef CONFIG_SPL_LOAD_FIT
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return fit_get_size(img_hdr);
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#elif defined CONFIG_SPL_LOAD_IMX_CONTAINER
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struct container_hdr *container = img_hdr;
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return (container->length_lsb + (container->length_msb << 8));
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#else
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return 0;
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#endif
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}
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static int img_total_size(void *img_hdr)
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{
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT)) {
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return get_fit_image_size(img_hdr);
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} else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
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int total = get_container_size((ulong)img_hdr, NULL);
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if (total < 0) {
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printf("invalid container image\n");
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return 0;
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}
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return total;
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}
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return 0;
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}
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static int spl_romapi_load_image_stream(struct spl_image_info *spl_image,
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struct spl_boot_device *bootdev)
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{
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struct spl_load_info load;
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volatile gd_t *pgd = gd;
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u32 pagesize, pg;
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int ret;
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int i = 0;
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u8 *p = (u8 *)CONFIG_SPL_IMX_ROMAPI_LOADADDR;
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u8 *phdr = NULL;
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int imagesize;
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int total;
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ret = g_rom_api->query_boot_infor(QUERY_PAGE_SZ, &pagesize,
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((uintptr_t)&pagesize) ^ QUERY_PAGE_SZ);
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set_gd(pgd);
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if (ret != ROM_API_OKAY)
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puts("failure at query_boot_info\n");
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pg = pagesize;
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if (pg < 1024)
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pg = 1024;
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for (i = 0; i < 640; i++) {
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ret = g_rom_api->download_image(p, 0, pg,
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((uintptr_t)p) ^ pg);
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set_gd(pgd);
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if (ret != ROM_API_OKAY) {
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puts("Steam(USB) download failure\n");
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return -1;
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}
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phdr = search_img_header(p, pg);
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p += pg;
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if (phdr)
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break;
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}
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if (!phdr) {
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puts("Can't found uboot image in 640K range\n");
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return -1;
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}
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if (p - phdr < img_header_size()) {
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ret = g_rom_api->download_image(p, 0, pg, ((uintptr_t)p) ^ pg);
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set_gd(pgd);
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if (ret != ROM_API_OKAY) {
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puts("Steam(USB) download failure\n");
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return -1;
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}
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p += pg;
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}
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imagesize = img_info_size(phdr);
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printf("Find img info 0x&%p, size %d\n", phdr, imagesize);
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if (p - phdr < imagesize) {
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imagesize -= p - phdr;
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/*need pagesize hear after ROM fix USB problme*/
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imagesize += pg - 1;
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imagesize /= pg;
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imagesize *= pg;
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printf("Need continue download %d\n", imagesize);
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ret = g_rom_api->download_image(p, 0, imagesize,
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((uintptr_t)p) ^ imagesize);
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set_gd(pgd);
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p += imagesize;
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if (ret != ROM_API_OKAY) {
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printf("Failure download %d\n", imagesize);
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return -1;
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}
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}
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total = img_total_size(phdr);
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total += 3;
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total &= ~0x3;
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imagesize = total - (p - phdr);
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imagesize += pagesize - 1;
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imagesize /= pagesize;
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imagesize *= pagesize;
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printf("Download %d, Total size %d\n", imagesize, total);
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ret = g_rom_api->download_image(p, 0, imagesize,
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((uintptr_t)p) ^ imagesize);
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set_gd(pgd);
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if (ret != ROM_API_OKAY)
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printf("ROM download failure %d\n", imagesize);
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memset(&load, 0, sizeof(load));
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load.bl_len = 1;
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load.read = spl_ram_load_read;
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if (IS_ENABLED(CONFIG_SPL_LOAD_FIT))
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return spl_load_simple_fit(spl_image, &load, (ulong)phdr, phdr);
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else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER))
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return spl_load_imx_container(spl_image, &load, (ulong)phdr);
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return -1;
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}
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int board_return_to_bootrom(struct spl_image_info *spl_image,
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struct spl_boot_device *bootdev)
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{
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volatile gd_t *pgd = gd;
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int ret;
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u32 boot;
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ret = g_rom_api->query_boot_infor(QUERY_BT_DEV, &boot,
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((uintptr_t)&boot) ^ QUERY_BT_DEV);
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set_gd(pgd);
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if (ret != ROM_API_OKAY) {
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puts("ROMAPI: failure at query_boot_info\n");
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return -1;
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}
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if (is_boot_from_stream_device(boot))
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return spl_romapi_load_image_stream(spl_image, bootdev);
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return spl_romapi_load_image_seekable(spl_image, bootdev, boot);
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}
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