projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 22802f4e SA |
1 | /* |
| 2 | * (C) Copyright 2016 | |
| 3 | * Xilinx, Inc. | |
| 4 | * | |
| 5 | * (C) Copyright 2016 | |
| 6 | * Toradex AG | |
| 7 | * | |
| 8 | * Michal Simek <michal.simek@xilinx.com> | |
| 9 | * Stefan Agner <stefan.agner@toradex.com> | |
| 10 | * | |
| 11 | * SPDX-License-Identifier: GPL-2.0+ | |
| 12 | */ | |
| 13 | #include <common.h> | |
| dfce1799 SG |
14 | #include <binman_sym.h> |
| 15 | #include <mapmem.h> | |
| 22802f4e SA |
16 | #include <spl.h> |
| 17 | #include <libfdt.h> | |
| 18 | ||
| 19 | #ifndef CONFIG_SPL_LOAD_FIT_ADDRESS | |
| 20 | # define CONFIG_SPL_LOAD_FIT_ADDRESS 0 | |
| 21 | #endif | |
| 22 | ||
| 23 | static ulong spl_ram_load_read(struct spl_load_info *load, ulong sector, | |
| 24 | ulong count, void *buf) | |
| 25 | { | |
| 26 | debug("%s: sector %lx, count %lx, buf %lx\n", | |
| 27 | __func__, sector, count, (ulong)buf); | |
| 28 | memcpy(buf, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS + sector), count); | |
| 29 | return count; | |
| 30 | } | |
| 31 | ||
| 32 | static int spl_ram_load_image(struct spl_image_info *spl_image, | |
| 33 | struct spl_boot_device *bootdev) | |
| 34 | { | |
| 35 | struct image_header *header; | |
| 36 | ||
| 37 | header = (struct image_header *)CONFIG_SPL_LOAD_FIT_ADDRESS; | |
| 38 | ||
| 39 | #if defined(CONFIG_SPL_DFU_SUPPORT) | |
| 40 | if (bootdev->boot_device == BOOT_DEVICE_DFU) | |
| 41 | spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0"); | |
| 42 | #endif | |
| 43 | ||
| 44 | if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && | |
| 45 | image_get_magic(header) == FDT_MAGIC) { | |
| 46 | struct spl_load_info load; | |
| 47 | ||
| 48 | debug("Found FIT\n"); | |
| 49 | load.bl_len = 1; | |
| 50 | load.read = spl_ram_load_read; | |
| 51 | spl_load_simple_fit(spl_image, &load, 0, header); | |
| 52 | } else { | |
| dfce1799 SG |
53 | ulong u_boot_pos = binman_sym(ulong, u_boot_any, pos); |
| 54 | ||
| 22802f4e SA |
55 | debug("Legacy image\n"); |
| 56 | /* | |
| 57 | * Get the header. It will point to an address defined by | |
| 58 | * handoff which will tell where the image located inside | |
| dfce1799 | 59 | * the flash. |
| 22802f4e | 60 | */ |
| dfce1799 SG |
61 | debug("u_boot_pos = %lx\n", u_boot_pos); |
| 62 | if (u_boot_pos == BINMAN_SYM_MISSING) { | |
| 63 | /* | |
| 64 | * No binman support or no information. For now, fix it | |
| 65 | * to the address pointed to by U-Boot. | |
| 66 | */ | |
| 67 | u_boot_pos = CONFIG_SYS_TEXT_BASE - | |
| 68 | sizeof(struct image_header); | |
| 69 | } | |
| 70 | header = (struct image_header *)map_sysmem(u_boot_pos, 0); | |
| 22802f4e SA |
71 | |
| 72 | spl_parse_image_header(spl_image, header); | |
| 73 | } | |
| 74 | ||
| 75 | return 0; | |
| 76 | } | |
| 77 | #if defined(CONFIG_SPL_RAM_DEVICE) | |
| 78 | SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM, spl_ram_load_image); | |
| 79 | #endif | |
| 80 | #if defined(CONFIG_SPL_DFU_SUPPORT) | |
| 81 | SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU, spl_ram_load_image); | |
| 82 | #endif | |
| 83 | ||
| 84 |