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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2014 Panasonic Corporation
* Copyright (C) 2015-2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*/
#include <env.h>
#include <init.h>
#include <spl.h>
#include <linux/libfdt.h>
#include <stdio.h>
#include <linux/printk.h>
#include "init.h"
static void uniphier_set_env_fdt_file(void)
{
DECLARE_GLOBAL_DATA_PTR;
const char *compat;
char dtb_name[256];
int buf_len = sizeof(dtb_name);
int ret;
if (env_get("fdtfile"))
return; /* do nothing if it is already set */
compat = fdt_stringlist_get(gd->fdt_blob, 0, "compatible", 0, NULL);
if (!compat)
goto fail;
/* rip off the vendor prefix "socionext," */
compat = strchr(compat, ',');
if (!compat)
goto fail;
compat++;
strncpy(dtb_name, compat, buf_len);
buf_len -= strlen(compat);
strncat(dtb_name, ".dtb", buf_len);
ret = env_set("fdtfile", dtb_name);
if (ret)
goto fail;
return;
fail:
pr_warn("\"fdt_file\" environment variable was not set correctly\n");
}
static void uniphier_set_env_addr(const char *env, const char *offset_env)
{
DECLARE_GLOBAL_DATA_PTR;
unsigned long offset = 0;
const char *str;
char *end;
int ret;
if (env_get(env))
return; /* do nothing if it is already set */
if (offset_env) {
str = env_get(offset_env);
if (!str)
goto fail;
offset = simple_strtoul(str, &end, 16);
if (*end)
goto fail;
}
ret = env_set_hex(env, gd->ram_base + offset);
if (ret)
goto fail;
return;
fail:
pr_warn("\"%s\" environment variable was not set correctly\n", env);
}
int board_late_init(void)
{
puts("MODE: ");
switch (uniphier_boot_device_raw()) {
case BOOT_DEVICE_MMC1:
printf("eMMC Boot");
env_set("bootdev", "emmc");
break;
case BOOT_DEVICE_MMC2:
printf("SD Boot");
env_set("bootdev", "sd");
break;
case BOOT_DEVICE_NAND:
printf("NAND Boot");
env_set("bootdev", "nand");
break;
case BOOT_DEVICE_NOR:
printf("NOR Boot");
env_set("bootdev", "nor");
break;
case BOOT_DEVICE_USB:
printf("USB Boot");
env_set("bootdev", "usb");
break;
default:
printf("Unknown");
break;
}
if (uniphier_have_internal_stm())
printf(" (STM: %s)",
uniphier_boot_from_backend() ? "OFF" : "ON");
printf("\n");
uniphier_set_env_fdt_file();
uniphier_set_env_addr("dram_base", NULL);
uniphier_set_env_addr("loadaddr", "loadaddr_offset");
uniphier_set_env_addr("kernel_addr_r", "kernel_addr_r_offset");
uniphier_set_env_addr("ramdisk_addr_r", "ramdisk_addr_r_offset");
uniphier_set_env_addr("fdt_addr_r", "fdt_addr_r_offset");
return 0;
}
|
