]> git.sur5r.net Git - u-boot/blob - common/spl/spl_nor.c
powerpc/83xx/km: make local functions and structs static
[u-boot] / common / spl / spl_nor.c
1 /*
2  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  */
17
18 #include <common.h>
19 #include <spl.h>
20
21 void spl_nor_load_image(void)
22 {
23         /*
24          * Loading of the payload to SDRAM is done with skipping of
25          * the mkimage header in this SPL NOR driver
26          */
27         spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
28
29         if (spl_start_uboot()) {
30                 /*
31                  * Load real U-Boot from its location in NOR flash to its
32                  * defined location in SDRAM
33                  */
34                 spl_parse_image_header(
35                         (const struct image_header *)CONFIG_SYS_UBOOT_BASE);
36
37                 memcpy((void *)spl_image.load_addr,
38                        (void *)(CONFIG_SYS_UBOOT_BASE +
39                                 sizeof(struct image_header)),
40                        spl_image.size);
41         } else {
42                 /*
43                  * Load Linux from its location in NOR flash to its defined
44                  * location in SDRAM
45                  */
46                 spl_parse_image_header(
47                         (const struct image_header *)CONFIG_SYS_OS_BASE);
48
49                 memcpy((void *)spl_image.load_addr,
50                        (void *)(CONFIG_SYS_OS_BASE +
51                                 sizeof(struct image_header)),
52                        spl_image.size);
53
54                 /*
55                  * Copy DT blob (fdt) to SDRAM. Passing pointer to flash
56                  * doesn't work (16 KiB should be enough for DT)
57                  */
58                 memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
59                        (void *)(CONFIG_SYS_FDT_BASE),
60                        (16 << 10));
61         }
62 }