cmd/bdinfo.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2003
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  */
   6
   7 /*
   8  * Boot support
   9  */
  10 #include <common.h>
  11 #include <command.h>
  12 #include <env.h>
  13 #include <net.h>
  14 #include <vsprintf.h>
  15 #include <asm/cache.h>
  16 #include <linux/compiler.h>
  17
  18 DECLARE_GLOBAL_DATA_PTR;
  19
  20 void bdinfo_print_num(const char *name, ulong value)
  21 {
  22         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  23 }
  24
  25 static void print_eth(int idx)
  26 {
  27         char name[10], *val;
  28         if (idx)
  29                 sprintf(name, "eth%iaddr", idx);
  30         else
  31                 strcpy(name, "ethaddr");
  32         val = env_get(name);
  33         if (!val)
  34                 val = "(not set)";
  35         printf("%-12s= %s\n", name, val);
  36 }
  37
  38 static void print_lnum(const char *name, unsigned long long value)
  39 {
  40         printf("%-12s= 0x%.8llX\n", name, 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 bd_t *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         bd_t *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_lnum("memsize", (u64)bd->bi_memsize);
  80         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
  81         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
  82         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
  83         printf("baudrate    = %u bps\n", gd->baudrate);
  84         bdinfo_print_num("relocaddr", gd->relocaddr);
  85         bdinfo_print_num("reloc off", gd->reloc_off);
  86         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
  87         if (IS_ENABLED(CONFIG_CMD_NET)) {
  88                 printf("current eth = %s\n", eth_get_name());
  89                 print_eth(0);
  90                 printf("IP addr     = %s\n", env_get("ipaddr"));
  91         }
  92         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
  93         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
  94         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
  95 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
  96         bdinfo_print_num("FB base  ", gd->fb_base);
  97 #endif
  98 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
  99         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 100 #endif
 101
 102         arch_print_bdinfo();
 103
 104         /* This is used by m68k and ppc */
 105 #if defined(CONFIG_SYS_INIT_RAM_ADDR)
 106         bdinfo_print_num("sramstart", (ulong)bd->bi_sramstart);
 107         bdinfo_print_num("sramsize", (ulong)bd->bi_sramsize);
 108 #endif
 109         if (IS_ENABLED(CONFIG_PPC) || IS_ENABLED(CONFIG_M68K))
 110                 bdinfo_print_mhz("busfreq", bd->bi_busfreq);
 111
 112         return 0;
 113 }
 114
 115 /* -------------------------------------------------------------------- */
 116
 117 U_BOOT_CMD(
 118         bdinfo, 1,      1,      do_bdinfo,
 119         "print Board Info structure",
 120         ""
 121 );