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 <mapmem.h>
15 #include <net.h>
16 #include <video.h>
17 #include <vsprintf.h>
18 #include <asm/cache.h>
19 #include <asm/global_data.h>
20 #include <display_options.h>
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
bdinfo_print_size(const char * name,uint64_t size)24 void bdinfo_print_size(const char *name, uint64_t size)
25 {
26 	printf("%-12s= ", name);
27 	print_size(size, "\n");
28 }
29 
bdinfo_print_str(const char * name,const char * str)30 void bdinfo_print_str(const char *name, const char *str)
31 {
32 	printf("%-12s= %s\n", name, str);
33 }
34 
bdinfo_print_num_l(const char * name,ulong value)35 void bdinfo_print_num_l(const char *name, ulong value)
36 {
37 	printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
38 }
39 
bdinfo_print_num_ll(const char * name,unsigned long long value)40 void bdinfo_print_num_ll(const char *name, unsigned long long value)
41 {
42 	printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong), value);
43 }
44 
print_eth(void)45 static void print_eth(void)
46 {
47 	const int idx = eth_get_dev_index();
48 	uchar enetaddr[6];
49 	char name[10];
50 	int ret;
51 
52 	if (idx)
53 		sprintf(name, "eth%iaddr", idx);
54 	else
55 		strcpy(name, "ethaddr");
56 
57 	ret = eth_env_get_enetaddr_by_index("eth", idx, enetaddr);
58 
59 	printf("current eth = %s\n", eth_get_name());
60 	if (!ret)
61 		printf("%-12s= (not set)\n", name);
62 	else
63 		printf("%-12s= %pM\n", name, enetaddr);
64 	printf("IP addr     = %s\n", env_get("ipaddr"));
65 }
66 
bdinfo_print_mhz(const char * name,unsigned long hz)67 void bdinfo_print_mhz(const char *name, unsigned long hz)
68 {
69 	char buf[32];
70 
71 	printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
72 }
73 
print_bi_dram(const struct bd_info * bd)74 static void print_bi_dram(const struct bd_info *bd)
75 {
76 	int i;
77 
78 	for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
79 		if (bd->bi_dram[i].size) {
80 			bdinfo_print_num_l("DRAM bank",	i);
81 			bdinfo_print_num_ll("-> start",	bd->bi_dram[i].start);
82 			bdinfo_print_num_ll("-> size",	bd->bi_dram[i].size);
83 		}
84 	}
85 }
86 
arch_print_bdinfo(void)87 __weak void arch_print_bdinfo(void)
88 {
89 }
90 
show_video_info(void)91 static void show_video_info(void)
92 {
93 	const struct udevice *dev;
94 	struct uclass *uc;
95 
96 	uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
97 		printf("%-12s= %s %sactive\n", "Video", dev->name,
98 		       device_active(dev) ? "" : "in");
99 		if (device_active(dev)) {
100 			struct video_priv *upriv = dev_get_uclass_priv(dev);
101 			struct video_uc_plat *plat = dev_get_uclass_plat(dev);
102 
103 			bdinfo_print_num_ll("FB base", (ulong)upriv->fb);
104 			if (upriv->copy_fb) {
105 				bdinfo_print_num_ll("FB copy",
106 						    (ulong)upriv->copy_fb);
107 				bdinfo_print_num_l(" copy size",
108 						   plat->copy_size);
109 			}
110 			printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
111 			       upriv->ysize, 1 << upriv->bpix);
112 		}
113 	}
114 }
115 
do_bdinfo(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])116 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
117 {
118 	struct bd_info *bd = gd->bd;
119 
120 #ifdef DEBUG
121 	bdinfo_print_num_l("bd address", (ulong)bd);
122 #endif
123 	bdinfo_print_num_l("boot_params", (ulong)bd->bi_boot_params);
124 	print_bi_dram(bd);
125 	if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
126 		bdinfo_print_num_l("sramstart", (ulong)bd->bi_sramstart);
127 		bdinfo_print_num_l("sramsize", (ulong)bd->bi_sramsize);
128 	}
129 	bdinfo_print_num_l("flashstart", (ulong)bd->bi_flashstart);
130 	bdinfo_print_num_l("flashsize", (ulong)bd->bi_flashsize);
131 	bdinfo_print_num_l("flashoffset", (ulong)bd->bi_flashoffset);
132 	printf("baudrate    = %u bps\n", gd->baudrate);
133 	bdinfo_print_num_l("relocaddr", gd->relocaddr);
134 	bdinfo_print_num_l("reloc off", gd->reloc_off);
135 	printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
136 	if (IS_ENABLED(CONFIG_CMD_NET))
137 		print_eth();
138 	bdinfo_print_num_l("fdt_blob", (ulong)map_to_sysmem(gd->fdt_blob));
139 	bdinfo_print_num_l("new_fdt", (ulong)map_to_sysmem(gd->new_fdt));
140 	bdinfo_print_num_l("fdt_size", (ulong)gd->fdt_size);
141 	if (IS_ENABLED(CONFIG_VIDEO))
142 		show_video_info();
143 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
144 	bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
145 #endif
146 	if (IS_ENABLED(CONFIG_LMB) && gd->fdt_blob) {
147 		struct lmb lmb;
148 
149 		lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
150 		lmb_dump_all_force(&lmb);
151 		if (IS_ENABLED(CONFIG_OF_REAL))
152 			printf("devicetree  = %s\n", fdtdec_get_srcname());
153 	}
154 
155 	arch_print_bdinfo();
156 
157 	return 0;
158 }
159 
160 U_BOOT_CMD(
161 	bdinfo,	1,	1,	do_bdinfo,
162 	"print Board Info structure",
163 	""
164 );
165