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 void bdinfo_print_mhz(const char *name, unsigned long hz)
  38 {
  39         char buf[32];
  40
  41         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  42 }
  43
  44 static void print_bi_dram(const struct bd_info *bd)
  45 {
  46         int i;
  47
  48         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  49                 if (bd->bi_dram[i].size) {
  50                         bdinfo_print_num("DRAM bank",   i);
  51                         bdinfo_print_num("-> start",    bd->bi_dram[i].start);
  52                         bdinfo_print_num("-> size",     bd->bi_dram[i].size);
  53                 }
  54         }
  55 }
  56
  57 __weak void arch_print_bdinfo(void)
  58 {
  59 }
  60
  61 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  62 {
  63         struct bd_info *bd = gd->bd;
  64
  65 #ifdef DEBUG
  66         bdinfo_print_num("bd address", (ulong)bd);
  67 #endif
  68         bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
  69         print_bi_dram(bd);
  70         if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
  71                 bdinfo_print_num("sramstart", (ulong)bd->bi_sramstart);
  72                 bdinfo_print_num("sramsize", (ulong)bd->bi_sramsize);
  73         }
  74         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
  75         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
  76         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
  77         printf("baudrate    = %u bps\n", gd->baudrate);
  78         bdinfo_print_num("relocaddr", gd->relocaddr);
  79         bdinfo_print_num("reloc off", gd->reloc_off);
  80         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
  81         if (IS_ENABLED(CONFIG_CMD_NET)) {
  82                 printf("current eth = %s\n", eth_get_name());
  83                 print_eth(0);
  84                 printf("IP addr     = %s\n", env_get("ipaddr"));
  85         }
  86         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
  87         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
  88         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
  89 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
  90         bdinfo_print_num("FB base  ", gd->fb_base);
  91 #endif
  92 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
  93         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
  94 #endif
  95         if (gd->fdt_blob) {
  96                 struct lmb lmb;
  97
  98                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
  99                 lmb_dump_all_force(&lmb);
 100         }
 101
 102         arch_print_bdinfo();
 103
 104         return 0;
 105 }
 106
 107 U_BOOT_CMD(
 108         bdinfo, 1,      1,      do_bdinfo,
 109         "print Board Info structure",
 110         ""
 111 );