1 // SPDX-License-Identifier: GPL-2.0+
9 * Michal Simek <michal.simek@xilinx.com>
10 * Stefan Agner <stefan.agner@toradex.com>
13 #include <binman_sym.h>
16 #include <linux/libfdt.h>
18 #ifndef CONFIG_SPL_LOAD_FIT_ADDRESS
19 # define CONFIG_SPL_LOAD_FIT_ADDRESS 0
22 static ulong
spl_ram_load_read(struct spl_load_info
*load
, ulong sector
,
23 ulong count
, void *buf
)
25 debug("%s: sector %lx, count %lx, buf %lx\n",
26 __func__
, sector
, count
, (ulong
)buf
);
27 memcpy(buf
, (void *)(CONFIG_SPL_LOAD_FIT_ADDRESS
+ sector
), count
);
31 static int spl_ram_load_image(struct spl_image_info
*spl_image
,
32 struct spl_boot_device
*bootdev
)
34 struct image_header
*header
;
36 header
= (struct image_header
*)CONFIG_SPL_LOAD_FIT_ADDRESS
;
38 #if CONFIG_IS_ENABLED(DFU_SUPPORT)
39 if (bootdev
->boot_device
== BOOT_DEVICE_DFU
)
40 spl_dfu_cmd(0, "dfu_alt_info_ram", "ram", "0");
43 if (IS_ENABLED(CONFIG_SPL_LOAD_FIT
) &&
44 image_get_magic(header
) == FDT_MAGIC
) {
45 struct spl_load_info load
;
49 load
.read
= spl_ram_load_read
;
50 spl_load_simple_fit(spl_image
, &load
, 0, header
);
52 ulong u_boot_pos
= binman_sym(ulong
, u_boot_any
, pos
);
54 debug("Legacy image\n");
56 * Get the header. It will point to an address defined by
57 * handoff which will tell where the image located inside
60 debug("u_boot_pos = %lx\n", u_boot_pos
);
61 if (u_boot_pos
== BINMAN_SYM_MISSING
) {
63 * No binman support or no information. For now, fix it
64 * to the address pointed to by U-Boot.
66 u_boot_pos
= CONFIG_SYS_TEXT_BASE
-
67 sizeof(struct image_header
);
69 header
= (struct image_header
*)map_sysmem(u_boot_pos
, 0);
71 spl_parse_image_header(spl_image
, header
);
76 #if CONFIG_IS_ENABLED(RAM_DEVICE)
77 SPL_LOAD_IMAGE_METHOD("RAM", 0, BOOT_DEVICE_RAM
, spl_ram_load_image
);
79 #if CONFIG_IS_ENABLED(DFU_SUPPORT)
80 SPL_LOAD_IMAGE_METHOD("DFU", 0, BOOT_DEVICE_DFU
, spl_ram_load_image
);