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 <command.h>
  10 #include <dm.h>
  11 #include <env.h>
  12 #include <getopt.h>
  13 #include <lmb.h>
  14 #include <mapmem.h>
  15 #include <net.h>
  16 #include <serial.h>
  17 #include <video.h>
  18 #include <vsprintf.h>
  19 #include <asm/cache.h>
  20 #include <asm/global_data.h>
  21 #include <display_options.h>
  22
  23 DECLARE_GLOBAL_DATA_PTR;
  24
  25 void bdinfo_print_size(const char *name, uint64_t size)
  26 {
  27         printf("%-12s= ", name);
  28         print_size(size, "\n");
  29 }
  30
  31 void bdinfo_print_str(const char *name, const char *str)
  32 {
  33         printf("%-12s= %s\n", name, str);
  34 }
  35
  36 void bdinfo_print_num_l(const char *name, ulong value)
  37 {
  38         printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
  39 }
  40
  41 void bdinfo_print_num_ll(const char *name, unsigned long long value)
  42 {
  43         printf("%-12s= 0x%.*llx\n", name, 2 * (int)sizeof(ulong), value);
  44 }
  45
  46 static void print_eth(void)
  47 {
  48         const int idx = eth_get_dev_index();
  49         uchar enetaddr[6];
  50         char name[10];
  51         int ret;
  52
  53         if (idx)
  54                 sprintf(name, "eth%iaddr", idx);
  55         else
  56                 strcpy(name, "ethaddr");
  57
  58         ret = eth_env_get_enetaddr_by_index("eth", idx, enetaddr);
  59
  60         printf("current eth = %s\n", eth_get_name());
  61         if (!ret)
  62                 printf("%-12s= (not set)\n", name);
  63         else
  64                 printf("%-12s= %pM\n", name, enetaddr);
  65         printf("IP addr     = %s\n", env_get("ipaddr"));
  66 }
  67
  68 void bdinfo_print_mhz(const char *name, unsigned long hz)
  69 {
  70         char buf[32];
  71
  72         printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
  73 }
  74
  75 static void print_bi_dram(const struct bd_info *bd)
  76 {
  77         int i;
  78
  79         for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
  80                 if (bd->bi_dram[i].size) {
  81                         bdinfo_print_num_l("DRAM bank", i);
  82                         bdinfo_print_num_ll("-> start", bd->bi_dram[i].start);
  83                         bdinfo_print_num_ll("-> size",  bd->bi_dram[i].size);
  84                 }
  85         }
  86 }
  87
  88 __weak void arch_print_bdinfo(void)
  89 {
  90 }
  91
  92 static void show_video_info(void)
  93 {
  94         const struct udevice *dev;
  95         struct uclass *uc;
  96
  97         uclass_id_foreach_dev(UCLASS_VIDEO, dev, uc) {
  98                 printf("%-12s= %s %sactive\n", "Video", dev->name,
  99                        device_active(dev) ? "" : "in");
 100                 if (device_active(dev)) {
 101                         struct video_priv *upriv = dev_get_uclass_priv(dev);
 102                         struct video_uc_plat *plat = dev_get_uclass_plat(dev);
 103
 104                         bdinfo_print_num_ll("FB base", (ulong)upriv->fb);
 105                         if (upriv->copy_fb) {
 106                                 bdinfo_print_num_ll("FB copy",
 107                                                     (ulong)upriv->copy_fb);
 108                                 bdinfo_print_num_l(" copy size",
 109                                                    plat->copy_size);
 110                         }
 111                         printf("%-12s= %dx%dx%d\n", "FB size", upriv->xsize,
 112                                upriv->ysize, 1 << upriv->bpix);
 113                 }
 114         }
 115 }
 116
 117 static void print_serial(struct udevice *dev)
 118 {
 119         struct serial_device_info info;
 120         int ret;
 121
 122         if (!dev || !IS_ENABLED(CONFIG_DM_SERIAL))
 123                 return;
 124
 125         ret = serial_getinfo(dev, &info);
 126         if (ret)
 127                 return;
 128
 129         bdinfo_print_num_l("serial addr", info.addr);
 130         bdinfo_print_num_l(" width", info.reg_width);
 131         bdinfo_print_num_l(" shift", info.reg_shift);
 132         bdinfo_print_num_l(" offset", info.reg_offset);
 133         bdinfo_print_num_l(" clock", info.clock);
 134 }
 135
 136 static int bdinfo_print_all(struct bd_info *bd)
 137 {
 138 #ifdef DEBUG
 139         bdinfo_print_num_l("bd address", (ulong)bd);
 140 #endif
 141         bdinfo_print_num_l("boot_params", (ulong)bd->bi_boot_params);
 142         print_bi_dram(bd);
 143         bdinfo_print_num_l("flashstart", (ulong)bd->bi_flashstart);
 144         bdinfo_print_num_l("flashsize", (ulong)bd->bi_flashsize);
 145         bdinfo_print_num_l("flashoffset", (ulong)bd->bi_flashoffset);
 146         printf("baudrate    = %u bps\n", gd->baudrate);
 147         bdinfo_print_num_l("relocaddr", gd->relocaddr);
 148         bdinfo_print_num_l("reloc off", gd->reloc_off);
 149         printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
 150         if (IS_ENABLED(CONFIG_CMD_NET) || IS_ENABLED(CONFIG_CMD_NET_LWIP))
 151                 print_eth();
 152         bdinfo_print_num_l("fdt_blob", (ulong)map_to_sysmem(gd->fdt_blob));
 153         if (IS_ENABLED(CONFIG_VIDEO))
 154                 show_video_info();
 155 #if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
 156         bdinfo_print_num_l("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
 157 #endif
 158         if (IS_ENABLED(CONFIG_LMB) && gd->fdt_blob) {
 159                 lmb_dump_all_force();
 160                 if (IS_ENABLED(CONFIG_OF_REAL))
 161                         printf("devicetree  = %s\n", fdtdec_get_srcname());
 162         }
 163         print_serial(gd->cur_serial_dev);
 164
 165         if (IS_ENABLED(CONFIG_CMD_BDINFO_EXTRA)) {
 166                 bdinfo_print_num_ll("stack ptr", (ulong)&bd);
 167                 bdinfo_print_num_ll("ram_top ptr", (ulong)gd->ram_top);
 168                 bdinfo_print_num_l("malloc base", gd_malloc_start());
 169         }
 170
 171         arch_print_bdinfo();
 172
 173         return 0;
 174 }
 175
 176 int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 177 {
 178         struct bd_info *bd = gd->bd;
 179         struct getopt_state gs;
 180         int opt;
 181
 182         if (!CONFIG_IS_ENABLED(GETOPT) || argc == 1)
 183                 return bdinfo_print_all(bd);
 184
 185         getopt_init_state(&gs);
 186         while ((opt = getopt(&gs, argc, argv, "aem")) > 0) {
 187                 switch (opt) {
 188                 case 'a':
 189                         return bdinfo_print_all(bd);
 190                 case 'e':
 191                         if (!IS_ENABLED(CONFIG_CMD_NET) &&
 192                             !IS_ENABLED(CONFIG_CMD_NET_LWIP))
 193                                 return CMD_RET_USAGE;
 194                         print_eth();
 195                         return CMD_RET_SUCCESS;
 196                 case 'm':
 197                         print_bi_dram(bd);
 198                         return CMD_RET_SUCCESS;
 199                 default:
 200                         return CMD_RET_USAGE;
 201                 }
 202         }
 203
 204         return CMD_RET_USAGE;
 205 }
 206
 207 U_BOOT_CMD(
 208         bdinfo, 2,      1,      do_bdinfo,
 209         "print Board Info structure",
 210         ""
 211 );