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 <lmb.h>
  13 #include <net.h>
  14 #include <vsprintf.h>
  15 #include <asm/cache.h>
  16
  17 DECLARE_GLOBAL_DATA_PTR;
  18
  19 void bdinfo_print_num(const char *name, ulong value)
  20 {
  21         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  22 }
  23
  24 static void print_eth(int idx)
  25 {
  26         char name[10], *val;
  27         if (idx)
  28                 sprintf(name, "eth%iaddr", idx);
  29         else
  30                 strcpy(name, "ethaddr");
  31         val = env_get(name);
  32         if (!val)
  33                 val = "(not set)";
  34         printf("%-12s= %s\n", name, val);
  35 }
  36
  37 static void print_lnum(const char *name, unsigned long long value)
  38 {
  39         printf("%-12s= 0x%.8llX\n", name, value);
  40 }
  41
  42 void bdinfo_print_mhz(const char *name, unsigned long hz)
  43 {
  44         char buf[32];
  45
  46         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  47 }
  48
  49 static void print_bi_dram(const struct bd_info *bd)
  50 {
  51 #ifdef CONFIG_NR_DRAM_BANKS
  52         int i;
  53
  54         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  55                 if (bd->bi_dram[i].size) {
  56                         bdinfo_print_num("DRAM bank",   i);
  57                         bdinfo_print_num("-> start",    bd->bi_dram[i].start);
  58                         bdinfo_print_num("-> size",     bd->bi_dram[i].size);
  59                 }
  60         }
  61 #endif
  62 }
  63
  64 __weak void arch_print_bdinfo(void)
  65 {
  66 }
  67
  68 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  69 {
  70         struct bd_info *bd = gd->bd;
  71
  72 #ifdef DEBUG
  73         bdinfo_print_num("bd address", (ulong)bd);
  74 #endif
  75         bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
  76         print_bi_dram(bd);
  77         bdinfo_print_num("memstart", (ulong)bd->bi_memstart);
  78         print_lnum("memsize", (u64)bd->bi_memsize);
  79         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
  80         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
  81         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
  82         printf("baudrate    = %u bps\n", gd->baudrate);
  83         bdinfo_print_num("relocaddr", gd->relocaddr);
  84         bdinfo_print_num("reloc off", gd->reloc_off);
  85         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
  86         if (IS_ENABLED(CONFIG_CMD_NET)) {
  87                 printf("current eth = %s\n", eth_get_name());
  88                 print_eth(0);
  89                 printf("IP addr     = %s\n", env_get("ipaddr"));
  90         }
  91         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
  92         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
  93         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
  94 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
  95         bdinfo_print_num("FB base  ", gd->fb_base);
  96 #endif
  97 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
  98         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
  99 #endif
 100         if (gd->fdt_blob) {
 101                 struct lmb lmb;
 102
 103                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 104                 lmb_dump_all_force(&lmb);
 105         }
 106
 107         arch_print_bdinfo();
 108
 109         return 0;
 110 }
 111
 112 U_BOOT_CMD(
 113         bdinfo, 1,      1,      do_bdinfo,
 114         "print Board Info structure",
 115         ""
 116 );