u-boot/cmd/bdinfo.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Implements the 'bd' command to show board information
 *
 * (C) Copyright 2003
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#include <common.h>
#include <command.h>
#include <env.h>
#include <lmb.h>
#include <net.h>
#include <vsprintf.h>
#include <asm/cache.h>

DECLARE_GLOBAL_DATA_PTR;

void bdinfo_print_num(const char *name, ulong value)
{
	printf("%-12s= 0x%0*lx\n", name, 2 * (int)sizeof(value), value);
}

static void print_eth(int idx)
{
	char name[10], *val;
	if (idx)
		sprintf(name, "eth%iaddr", idx);
	else
		strcpy(name, "ethaddr");
	val = env_get(name);
	if (!val)
		val = "(not set)";
	printf("%-12s= %s\n", name, val);
}

static void print_lnum(const char *name, unsigned long long value)
{
	printf("%-12s= 0x%.8llX\n", name, value);
}

void bdinfo_print_mhz(const char *name, unsigned long hz)
{
	char buf[32];

	printf("%-12s= %6s MHz\n", name, strmhz(buf, hz));
}

static void print_bi_dram(const struct bd_info *bd)
{
#ifdef CONFIG_NR_DRAM_BANKS
	int i;

	for (i = 0; i < CONFIG_NR_DRAM_BANKS; ++i) {
		if (bd->bi_dram[i].size) {
			bdinfo_print_num("DRAM bank",	i);
			bdinfo_print_num("-> start",	bd->bi_dram[i].start);
			bdinfo_print_num("-> size",	bd->bi_dram[i].size);
		}
	}
#endif
}

__weak void arch_print_bdinfo(void)
{
}

int do_bdinfo(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
	struct bd_info *bd = gd->bd;

#ifdef DEBUG
	bdinfo_print_num("bd address", (ulong)bd);
#endif
	bdinfo_print_num("boot_params", (ulong)bd->bi_boot_params);
	print_bi_dram(bd);
	bdinfo_print_num("memstart", (ulong)bd->bi_memstart);
	print_lnum("memsize", (u64)bd->bi_memsize);
	bdinfo_print_num("flashstart", (ulong)bd->bi_flashstart);
	bdinfo_print_num("flashsize", (ulong)bd->bi_flashsize);
	bdinfo_print_num("flashoffset", (ulong)bd->bi_flashoffset);
	printf("baudrate    = %u bps\n", gd->baudrate);
	bdinfo_print_num("relocaddr", gd->relocaddr);
	bdinfo_print_num("reloc off", gd->reloc_off);
	printf("%-12s= %u-bit\n", "Build", (uint)sizeof(void *) * 8);
	if (IS_ENABLED(CONFIG_CMD_NET)) {
		printf("current eth = %s\n", eth_get_name());
		print_eth(0);
		printf("IP addr     = %s\n", env_get("ipaddr"));
	}
	bdinfo_print_num("fdt_blob", (ulong)gd->fdt_blob);
	bdinfo_print_num("new_fdt", (ulong)gd->new_fdt);
	bdinfo_print_num("fdt_size", (ulong)gd->fdt_size);
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) || defined(CONFIG_DM_VIDEO)
	bdinfo_print_num("FB base  ", gd->fb_base);
#endif
#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
	bdinfo_print_num("multi_dtb_fit", (ulong)gd->multi_dtb_fit);
#endif
	if (gd->fdt_blob) {
		struct lmb lmb;

		lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
		lmb_dump_all_force(&lmb);
	}

	arch_print_bdinfo();

	return 0;
}

U_BOOT_CMD(
	bdinfo,	1,	1,	do_bdinfo,
	"print Board Info structure",
	""
);