]> git.kernelconcepts.de Git - karo-tx-uboot.git/blob - arch/microblaze/cpu/spl.c
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / arch / microblaze / cpu / spl.c
1 /*
2  * (C) Copyright 2013 - 2014 Xilinx, Inc
3  *
4  * Michal Simek <michal.simek@xilinx.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #include <common.h>
10 #include <image.h>
11 #include <spl.h>
12 #include <version.h>
13 #include <asm/io.h>
14 #include <asm/u-boot.h>
15
16 DECLARE_GLOBAL_DATA_PTR;
17
18 bool boot_linux;
19
20 u32 spl_boot_device(void)
21 {
22         return BOOT_DEVICE_NOR;
23 }
24
25 /* Board initialization after bss clearance */
26 void spl_board_init(void)
27 {
28         gd = (gd_t *)CONFIG_SPL_STACK_ADDR;
29
30         /* enable console uart printing */
31         preloader_console_init();
32 }
33
34 #ifdef CONFIG_SPL_OS_BOOT
35 void __noreturn jump_to_image_linux(void *arg)
36 {
37         debug("Entering kernel arg pointer: 0x%p\n", arg);
38         typedef void (*image_entry_arg_t)(char *, ulong, ulong)
39                 __attribute__ ((noreturn));
40         image_entry_arg_t image_entry =
41                 (image_entry_arg_t)spl_image.entry_point;
42
43         image_entry(NULL, 0, (ulong)arg);
44 }
45 #endif /* CONFIG_SPL_OS_BOOT */
46
47 int spl_start_uboot(void)
48 {
49 #ifdef CONFIG_SPL_OS_BOOT
50         if (boot_linux)
51                 return 0;
52 #endif
53
54         return 1;
55 }