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
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 void bdinfo_print_num(const char *name, ulong value)
  22 {
  23         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  24 }
  25
  26 static void print_eth(int idx)
  27 {
  28         char name[10], *val;
  29         if (idx)
  30                 sprintf(name, "eth%iaddr", idx);
  31         else
  32                 strcpy(name, "ethaddr");
  33         val = env_get(name);
  34         if (!val)
  35                 val = "(not set)";
  36         printf("%-12s= %s\n", name, val);
  37 }
  38
  39 static void print_phys_addr(const char *name, phys_addr_t value)
  40 {
  41         printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong),
  42                (unsigned long long)value);
  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("DRAM bank",   i);
  59                         bdinfo_print_num("-> start",    bd->bi_dram[i].start);
  60                         bdinfo_print_num("-> 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                         print_phys_addr("FB base", (ulong)upriv->fb);
  81                         if (upriv->copy_fb)
  82                                 print_phys_addr("FB copy", (ulong)upriv->copy_fb);
  83                         printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
  84                                upriv->ysize, 1 << upriv->bpix);
  85                 }
  86         }
  87 }
  88
  89 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  90 {
  91         struct bd_info *bd = gd->bd;
  92
  93 #ifdef DEBUG
  94         bdinfo_print_num("bd address", (ulong)bd);
  95 #endif
  96         bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
  97         print_bi_dram(bd);
  98         if (IS_ENABLED(CONFIG_SYS_HAS_SRAM)) {
  99                 bdinfo_print_num("sramstart", (ulong)bd->bi_sramstart);
 100                 bdinfo_print_num("sramsize", (ulong)bd->bi_sramsize);
 101         }
 102         bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
 103         bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
 104         bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
 105         printf("baudrate    = %u bps\n", gd->baudrate);
 106         bdinfo_print_num("relocaddr", gd->relocaddr);
 107         bdinfo_print_num("reloc off", gd->reloc_off);
 108         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
 109         if (IS_ENABLED(CONFIG_CMD_NET)) {
 110                 printf("current eth = %s\n", eth_get_name());
 111                 print_eth(0);
 112                 printf("IP addr     = %s\n", env_get("ipaddr"));
 113         }
 114         bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
 115         bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
 116         bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
 117         if (IS_ENABLED(CONFIG_DM_VIDEO))
 118                 show_video_info();
 119 #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
 120         bdinfo_print_num("FB base  ", gd->fb_base);
 121 #endif
 122 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 123         bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 124 #endif
 125         if (gd->fdt_blob) {
 126                 struct lmb lmb;
 127
 128                 lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
 129                 lmb_dump_all_force(&lmb);
 130         }
 131
 132         arch_print_bdinfo();
 133
 134         return 0;
 135 }
 136
 137 U_BOOT_CMD(
 138         bdinfo, 1,      1,      do_bdinfo,
 139         "print Board Info structure",
 140         ""
 141 );