1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Implements the 'bd' command to show board information
4 *
5 * (C) Copyright 2003
6 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 */
8
9 #include <common.h>
10 #include <command.h>
11 #include <dm.h>
12 #include <env.h>
13 #include <lmb.h>
14 #include <net.h>
15 #include <video.h>
16 #include <vsprintf.h>
17 #include <asm/cache.h>
18 #include <asm/global_data.h>
19
20 DECLARE_GLOBAL_DATA_PTR;
21
bdinfo_print_num_l(const char * name,ulong value)22 void bdinfo_print_num_l(const char *name, ulong value)
23 {
24 printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
25 }
26
bdinfo_print_num_ll(const char * name,unsigned long long value)27 void bdinfo_print_num_ll(const char *name, unsigned long long value)
28 {
29 printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong), value);
30 }
31
print_eth(int idx)32 static void print_eth(int idx)
33 {
34 char name[10], *val;
35 if (idx)
36 sprintf(name, "eth%iaddr", idx);
37 else
38 strcpy(name, "ethaddr");
39 val = env_get(name);
40 if (!val)
41 val = "(not set)";
42 printf("%-12s= %s\n", name, val);
43 }
44
bdinfo_print_mhz(const char * name,unsigned long hz)45 void bdinfo_print_mhz(const char *name, unsigned long hz)
46 {
47 char buf[32];
48
49 printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
50 }
51
print_bi_dram(const struct bd_info * bd)52 static void print_bi_dram(const struct bd_info *bd)
53 {
54 int i;
55
56 for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
57 if (bd->bi_dram[i].size) {
58 bdinfo_print_num_l("DRAM bank", i);
59 bdinfo_print_num_ll("-> start", bd->bi_dram[i].start);
60 bdinfo_print_num_ll("-> size", bd->bi_dram[i].size);
61 }
62 }
63 }
64
arch_print_bdinfo(void)65 __weak void arch_print_bdinfo(void)
66 {
67 }
68
show_video_info(void)69 static void show_video_info(void)
70 {
71 const struct udevice *dev;
72 struct uclass *uc;
73
74 uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
75 printf("%-12s= %s %sactive\n", "Video", dev->name,
76 device_active(dev) ? "" : "in");
77 if (device_active(dev)) {
78 struct video_priv *upriv = dev_get_uclass_priv(dev);
79
80 bdinfo_print_num_ll("FB base", (ulong)upriv->fb);
81 if (upriv->copy_fb)
82 bdinfo_print_num_ll("FB copy",
83 (ulong)upriv->copy_fb);
84 printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
85 upriv->ysize, 1 << upriv->bpix);
86 }
87 }
88 }
89
do_bdinfo(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])90 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
91 {
92 struct bd_info *bd = gd->bd;
93
94 #ifdef DEBUG
95 bdinfo_print_num_l("bd address", (ulong)bd);
96 #endif
97 bdinfo_print_num_l("boot_params", (ulong)bd->bi_boot_params);
98 print_bi_dram(bd);
99 if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
100 bdinfo_print_num_l("sramstart", (ulong)bd->bi_sramstart);
101 bdinfo_print_num_l("sramsize", (ulong)bd->bi_sramsize);
102 }
103 bdinfo_print_num_l("flashstart", (ulong)bd->bi_flashstart);
104 bdinfo_print_num_l("flashsize", (ulong)bd->bi_flashsize);
105 bdinfo_print_num_l("flashoffset", (ulong)bd->bi_flashoffset);
106 printf("baudrate = %u bps\n", gd->baudrate);
107 bdinfo_print_num_l("relocaddr", gd->relocaddr);
108 bdinfo_print_num_l("reloc off", gd->reloc_off);
109 printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
110 if (IS_ENABLED(CONFIG_CMD_NET)) {
111 printf("current eth = %s\n", eth_get_name());
112 print_eth(0);
113 printf("IP addr = %s\n", env_get("ipaddr"));
114 }
115 bdinfo_print_num_l("fdt_blob", (ulong)gd->fdt_blob);
116 bdinfo_print_num_l("new_fdt", (ulong)gd->new_fdt);
117 bdinfo_print_num_l("fdt_size", (ulong)gd->fdt_size);
118 if (IS_ENABLED(CONFIG_DM_VIDEO))
119 show_video_info();
120 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
121 bdinfo_print_num_l("FB base ", gd->fb_base);
122 #endif
123 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
124 bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
125 #endif
126 if (gd->fdt_blob) {
127 struct lmb lmb;
128
129 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
130 lmb_dump_all_force(&lmb);
131 }
132
133 arch_print_bdinfo();
134
135 return 0;
136 }
137
138 U_BOOT_CMD(
139 bdinfo, 1, 1, do_bdinfo,
140 "print Board Info structure",
141 ""
142 );
143