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_phys_addr(const char *name, phys_addr_t value)
  38 {
  39         printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong),
  40                (unsigned long long)value);
  41 }
  42
  43 void bdinfo_print_mhz(const char *name, unsigned long hz)
  44 {
  45         char buf[32];
  46
  47         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  48 }
  49
  50 static void print_bi_dram(const struct bd_info *bd)
  51 {
  52 #ifdef CONFIG_NR_DRAM_BANKS
  53         int i;
  54
  55         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  56                 if (bd->bi_dram[i].size) {
  57                         bdinfo_print_num("DRAM bank",   i);
  58                         bdinfo_print_num("-> start",    bd->bi_dram[i].start);
  59                         bdinfo_print_num("-> size",     bd->bi_dram[i].size);
  60                 }
  61         }
  62 #endif
  63 }
  64
  65 __weak void arch_print_bdinfo(void)
  66 {
  67 }
  68
  69 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  70 {
  71         struct bd_info *bd = gd->bd;
  72
  73 #ifdef DEBUG
  74         bdinfo_print_num("bd address", (ulong)bd);
  75 #endif
  76         bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
  77         print_bi_dram(bd);
  78         bdinfo_print_num("memstart", (ulong)bd->bi_memstart);
  79         print_phys_addr("memsize", bd->bi_memsize);
  80         if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
  81                 bdinfo_print_num("sramstart", (ulong)bd->bi_sramstart);
  82                 bdinfo_print_num("sramsize", (ulong)bd->bi_sramsize);
  83         }
  84         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
  85         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
  86         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
  87         printf("baudrate    = %u bps\n", gd->baudrate);
  88         bdinfo_print_num("relocaddr", gd->relocaddr);
  89         bdinfo_print_num("reloc off", gd->reloc_off);
  90         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
  91         if (IS_ENABLED(CONFIG_CMD_NET)) {
  92                 printf("current eth = %s\n", eth_get_name());
  93                 print_eth(0);
  94                 printf("IP addr     = %s\n", env_get("ipaddr"));
  95         }
  96         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
  97         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
  98         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
  99 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
 100         bdinfo_print_num("FB base  ", gd->fb_base);
 101 #endif
 102 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 103         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 104 #endif
 105         if (gd->fdt_blob) {
 106                 struct lmb lmb;
 107
 108                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 109                 lmb_dump_all_force(&lmb);
 110         }
 111
 112         arch_print_bdinfo();
 113
 114         return 0;
 115 }
 116
 117 U_BOOT_CMD(
 118         bdinfo, 1,      1,      do_bdinfo,
 119         "print Board Info structure",
 120         ""
 121 );