1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 Andes Technology Corporation
* Shawn Lin, Andes Technology Corporation <[email protected]>
* Macpaul Lin, Andes Technology Corporation <[email protected]>
* Rick Chen, Andes Technology Corporation <[email protected]>
*/
#include <bootstage.h>
#include <bootm.h>
#include <command.h>
#include <dm.h>
#include <fdt_support.h>
#include <hang.h>
#include <log.h>
#include <asm/global_data.h>
#include <dm/root.h>
#include <image.h>
#include <asm/byteorder.h>
#include <asm/csr.h>
#include <asm/smp.h>
#include <dm/device.h>
#include <dm/root.h>
#include <u-boot/zlib.h>
DECLARE_GLOBAL_DATA_PTR;
static void boot_prep_linux(struct bootm_headers *images)
{
if (CONFIG_IS_ENABLED(OF_LIBFDT) && IS_ENABLED(CONFIG_LMB) && images->ft_len) {
debug("using: FDT\n");
if (image_setup_linux(images)) {
printf("FDT creation failed! hanging...");
hang();
}
} else {
printf("Device tree not found or missing FDT support\n");
hang();
}
}
static void boot_jump_linux(struct bootm_headers *images, int flag)
{
void (*kernel)(ulong hart, void *dtb);
#ifdef CONFIG_SMP
int ret;
#endif
kernel = (void (*)(ulong, void *))images->ep;
bootstage_mark(BOOTSTAGE_ID_RUN_OS);
debug("## Transferring control to kernel (at address %08lx) ...\n",
(ulong)kernel);
bootm_final(flag);
cleanup_before_linux();
if (!(flag & BOOTM_STATE_OS_FAKE_GO)) {
if (CONFIG_IS_ENABLED(OF_LIBFDT) && images->ft_len) {
#ifdef CONFIG_SMP
ret = smp_call_function(images->ep,
(ulong)images->ft_addr, 0, 0);
if (ret)
hang();
#endif
kernel(gd->arch.boot_hart, images->ft_addr);
}
}
}
int do_bootm_linux(int flag, struct bootm_info *bmi)
{
struct bootm_headers *images = bmi->images;
/* No need for those on RISC-V */
if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE)
return -1;
if (flag & BOOTM_STATE_OS_PREP) {
boot_prep_linux(images);
return 0;
}
if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {
boot_jump_linux(images, flag);
return 0;
}
boot_prep_linux(images);
boot_jump_linux(images, flag);
return 0;
}
int do_bootm_vxworks(int flag, struct bootm_info *bmi)
{
return do_bootm_linux(flag, bmi);
}
|
