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 #include <display_options.h>
  20
  21 DECLARE_GLOBAL_DATA_PTR;
  22
  23 void bdinfo_print_size(const char *name, uint64_t size)
  24 {
  25         printf("%-12s= ", name);
  26         print_size(size, "\n");
  27 }
  28
  29 void bdinfo_print_num_l(const char *name, ulong value)
  30 {
  31         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  32 }
  33
  34 void bdinfo_print_num_ll(const char *name, unsigned long long value)
  35 {
  36         printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong), value);
  37 }
  38
  39 static void print_eth(int idx)
  40 {
  41         char name[10], *val;
  42         if (idx)
  43                 sprintf(name, "eth%iaddr", idx);
  44         else
  45                 strcpy(name, "ethaddr");
  46         val = env_get(name);
  47         if (!val)
  48                 val = "(not set)";
  49         printf("%-12s= %s\n", name, val);
  50 }
  51
  52 void bdinfo_print_mhz(const char *name, unsigned long hz)
  53 {
  54         char buf[32];
  55
  56         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  57 }
  58
  59 static void print_bi_dram(const struct bd_info *bd)
  60 {
  61         int i;
  62
  63         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  64                 if (bd->bi_dram[i].size) {
  65                         bdinfo_print_num_l("DRAM bank", i);
  66                         bdinfo_print_num_ll("-> start", bd->bi_dram[i].start);
  67                         bdinfo_print_num_ll("-> size",  bd->bi_dram[i].size);
  68                 }
  69         }
  70 }
  71
  72 __weak void arch_print_bdinfo(void)
  73 {
  74 }
  75
  76 static void show_video_info(void)
  77 {
  78         const struct udevice *dev;
  79         struct uclass *uc;
  80
  81         uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
  82                 printf("%-12s= %s %sactive\n", "Video", dev->name,
  83                        device_active(dev) ? "" : "in");
  84                 if (device_active(dev)) {
  85                         struct video_priv *upriv = dev_get_uclass_priv(dev);
  86
  87                         bdinfo_print_num_ll("FB base", (ulong)upriv->fb);
  88                         if (upriv->copy_fb)
  89                                 bdinfo_print_num_ll("FB copy",
  90                                                     (ulong)upriv->copy_fb);
  91                         printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
  92                                upriv->ysize, 1 << upriv->bpix);
  93                 }
  94         }
  95 }
  96
  97 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  98 {
  99         struct bd_info *bd = gd->bd;
 100
 101 #ifdef DEBUG
 102         bdinfo_print_num_l("bd address", (ulong)bd);
 103 #endif
 104         bdinfo_print_num_l("boot_params", (ulong)bd->bi_boot_params);
 105         print_bi_dram(bd);
 106         if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
 107                 bdinfo_print_num_l("sramstart", (ulong)bd->bi_sramstart);
 108                 bdinfo_print_num_l("sramsize", (ulong)bd->bi_sramsize);
 109         }
 110         bdinfo_print_num_l("flashstart", (ulong)bd->bi_flashstart);
 111         bdinfo_print_num_l("flashsize", (ulong)bd->bi_flashsize);
 112         bdinfo_print_num_l("flashoffset", (ulong)bd->bi_flashoffset);
 113         printf("baudrate    = %u bps\n", gd->baudrate);
 114         bdinfo_print_num_l("relocaddr", gd->relocaddr);
 115         bdinfo_print_num_l("reloc off", gd->reloc_off);
 116         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
 117         if (IS_ENABLED(CONFIG_CMD_NET)) {
 118                 printf("current eth = %s\n", eth_get_name());
 119                 print_eth(0);
 120                 printf("IP addr     = %s\n", env_get("ipaddr"));
 121         }
 122         bdinfo_print_num_l("fdt_blob", (ulong)gd->fdt_blob);
 123         bdinfo_print_num_l("new_fdt", (ulong)gd->new_fdt);
 124         bdinfo_print_num_l("fdt_size", (ulong)gd->fdt_size);
 125         if (IS_ENABLED(CONFIG_DM_VIDEO))
 126                 show_video_info();
 127 #if defined(CONFIG_LCD)
 128         bdinfo_print_num_l("FB base  ", gd->fb_base);
 129 #endif
 130 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 131         bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 132 #endif
 133         if (IS_ENABLED(CONFIG_LMB) && gd->fdt_blob) {
 134                 struct lmb lmb;
 135
 136                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 137                 lmb_dump_all_force(&lmb);
 138                 if (IS_ENABLED(CONFIG_OF_REAL))
 139                         printf("devicetree  = %s\n", fdtdec_get_srcname());
 140         }
 141
 142         arch_print_bdinfo();
 143
 144         return 0;
 145 }
 146
 147 U_BOOT_CMD(
 148         bdinfo, 1,      1,      do_bdinfo,
 149         "print Board Info structure",
 150         ""
 151 );