cmd/bdinfo.c

   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 <env.h>
  12 #include <net.h>
  13 #include <vsprintf.h>
  14 #include <asm/cache.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 void bdinfo_print_num(const char *name, ulong value)
  19 {
  20         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  21 }
  22
  23 static void print_eth(int idx)
  24 {
  25         char name[10], *val;
  26         if (idx)
  27                 sprintf(name, "eth%iaddr", idx);
  28         else
  29                 strcpy(name, "ethaddr");
  30         val = env_get(name);
  31         if (!val)
  32                 val = "(not set)";
  33         printf("%-12s= %s\n", name, val);
  34 }
  35
  36 static void print_lnum(const char *name, unsigned long long value)
  37 {
  38         printf("%-12s= 0x%.8llX\n", name, value);
  39 }
  40
  41 void bdinfo_print_mhz(const char *name, unsigned long hz)
  42 {
  43         char buf[32];
  44
  45         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  46 }
  47
  48 static void print_bi_dram(const struct bd_info *bd)
  49 {
  50 #ifdef CONFIG_NR_DRAM_BANKS
  51         int i;
  52
  53         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  54                 if (bd->bi_dram[i].size) {
  55                         bdinfo_print_num("DRAM bank",   i);
  56                         bdinfo_print_num("-> start",    bd->bi_dram[i].start);
  57                         bdinfo_print_num("-> size",     bd->bi_dram[i].size);
  58                 }
  59         }
  60 #endif
  61 }
  62
  63 __weak void arch_print_bdinfo(void)
  64 {
  65 }
  66
  67 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  68 {
  69         struct bd_info *bd = gd->bd;
  70
  71 #ifdef DEBUG
  72         bdinfo_print_num("bd address", (ulong)bd);
  73 #endif
  74         bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
  75         print_bi_dram(bd);
  76         bdinfo_print_num("memstart", (ulong)bd->bi_memstart);
  77         print_lnum("memsize", (u64)bd->bi_memsize);
  78         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
  79         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
  80         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
  81         printf("baudrate    = %u bps\n", gd->baudrate);
  82         bdinfo_print_num("relocaddr", gd->relocaddr);
  83         bdinfo_print_num("reloc off", gd->reloc_off);
  84         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
  85         if (IS_ENABLED(CONFIG_CMD_NET)) {
  86                 printf("current eth = %s\n", eth_get_name());
  87                 print_eth(0);
  88                 printf("IP addr     = %s\n", env_get("ipaddr"));
  89         }
  90         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
  91         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
  92         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
  93 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
  94         bdinfo_print_num("FB base  ", gd->fb_base);
  95 #endif
  96 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
  97         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
  98 #endif
  99
 100         arch_print_bdinfo();
 101
 102         return 0;
 103 }
 104
 105 U_BOOT_CMD(
 106         bdinfo, 1,      1,      do_bdinfo,
 107         "print Board Info structure",
 108         ""
 109 );