blob: fa8c768773afeca085ba3a85d8dce4fefd676bbe [file] [log] [blame]
Stefan Agner22802f42016-12-23 07:51:53 +01001/*
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>
Simon Glassdfce1792017-11-13 18:55:04 -070014#include <binman_sym.h>
15#include <mapmem.h>
Stefan Agner22802f42016-12-23 07:51:53 +010016#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
23static 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
32static 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 {
Simon Glassdfce1792017-11-13 18:55:04 -070053 ulong u_boot_pos = binman_sym(ulong, u_boot_any, pos);
54
Stefan Agner22802f42016-12-23 07:51:53 +010055 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
Simon Glassdfce1792017-11-13 18:55:04 -070059 * the flash.
Stefan Agner22802f42016-12-23 07:51:53 +010060 */
Simon Glassdfce1792017-11-13 18:55:04 -070061 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);
Stefan Agner22802f42016-12-23 07:51:53 +010071
72 spl_parse_image_header(spl_image, header);
73 }
74
75 return 0;
76}
77#if defined(CONFIG_SPL_RAM_DEVICE)
78SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM, spl_ram_load_image);
79#endif
80#if defined(CONFIG_SPL_DFU_SUPPORT)
81SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU, spl_ram_load_image);
82#endif
83
84