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 <dm.h>
  12 #include <env.h>
  13 #include <lmb.h>
  14 #include <net.h>
  15 #include <video.h>
  16 #include <vsprintf.h>
  17 #include <asm/cache.h>
  18 #include <asm/global_data.h>
  19
  20 DECLARE_GLOBAL_DATA_PTR;
  21
  22 void bdinfo_print_num_l(const char *name, ulong value)
  23 {
  24         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  25 }
  26
  27 void bdinfo_print_num_ll(const char *name, unsigned long long value)
  28 {
  29         printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong), value);
  30 }
  31
  32 static void print_eth(int idx)
  33 {
  34         char name[10], *val;
  35         if (idx)
  36                 sprintf(name, "eth%iaddr", idx);
  37         else
  38                 strcpy(name, "ethaddr");
  39         val = env_get(name);
  40         if (!val)
  41                 val = "(not set)";
  42         printf("%-12s= %s\n", name, val);
  43 }
  44
  45 void bdinfo_print_mhz(const char *name, unsigned long hz)
  46 {
  47         char buf[32];
  48
  49         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  50 }
  51
  52 static void print_bi_dram(const struct bd_info *bd)
  53 {
  54         int i;
  55
  56         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  57                 if (bd->bi_dram[i].size) {
  58                         bdinfo_print_num_l("DRAM bank", i);
  59                         bdinfo_print_num_ll("-> start", bd->bi_dram[i].start);
  60                         bdinfo_print_num_ll("-> size",  bd->bi_dram[i].size);
  61                 }
  62         }
  63 }
  64
  65 __weak void arch_print_bdinfo(void)
  66 {
  67 }
  68
  69 static void show_video_info(void)
  70 {
  71         const struct udevice *dev;
  72         struct uclass *uc;
  73
  74         uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
  75                 printf("%-12s= %s %sactive\n", "Video", dev->name,
  76                        device_active(dev) ? "" : "in");
  77                 if (device_active(dev)) {
  78                         struct video_priv *upriv = dev_get_uclass_priv(dev);
  79
  80                         bdinfo_print_num_ll("FB base", (ulong)upriv->fb);
  81                         if (upriv->copy_fb)
  82                                 bdinfo_print_num_ll("FB copy",
  83                                                     (ulong)upriv->copy_fb);
  84                         printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
  85                                upriv->ysize, 1 << upriv->bpix);
  86                 }
  87         }
  88 }
  89
  90 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  91 {
  92         struct bd_info *bd = gd->bd;
  93
  94 #ifdef DEBUG
  95         bdinfo_print_num_l("bd address", (ulong)bd);
  96 #endif
  97         bdinfo_print_num_l("boot_params", (ulong)bd->bi_boot_params);
  98         print_bi_dram(bd);
  99         if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
 100                 bdinfo_print_num_l("sramstart", (ulong)bd->bi_sramstart);
 101                 bdinfo_print_num_l("sramsize", (ulong)bd->bi_sramsize);
 102         }
 103         bdinfo_print_num_l("flashstart", (ulong)bd->bi_flashstart);
 104         bdinfo_print_num_l("flashsize", (ulong)bd->bi_flashsize);
 105         bdinfo_print_num_l("flashoffset", (ulong)bd->bi_flashoffset);
 106         printf("baudrate    = %u bps\n", gd->baudrate);
 107         bdinfo_print_num_l("relocaddr", gd->relocaddr);
 108         bdinfo_print_num_l("reloc off", gd->reloc_off);
 109         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
 110         if (IS_ENABLED(CONFIG_CMD_NET)) {
 111                 printf("current eth = %s\n", eth_get_name());
 112                 print_eth(0);
 113                 printf("IP addr     = %s\n", env_get("ipaddr"));
 114         }
 115         bdinfo_print_num_l("fdt_blob", (ulong)gd->fdt_blob);
 116         bdinfo_print_num_l("new_fdt", (ulong)gd->new_fdt);
 117         bdinfo_print_num_l("fdt_size", (ulong)gd->fdt_size);
 118         if (IS_ENABLED(CONFIG_DM_VIDEO))
 119                 show_video_info();
 120 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
 121         bdinfo_print_num_l("FB base  ", gd->fb_base);
 122 #endif
 123 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 124         bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 125 #endif
 126         if (gd->fdt_blob) {
 127                 struct lmb lmb;
 128
 129                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 130                 lmb_dump_all_force(&lmb);
 131         }
 132
 133         arch_print_bdinfo();
 134
 135         return 0;
 136 }
 137
 138 U_BOOT_CMD(
 139         bdinfo, 1,      1,      do_bdinfo,
 140         "print Board Info structure",
 141         ""
 142 );