u-boot/arch/nios2/cpu/sysid.c

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/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#if defined (CONFIG_SYS_NIOS_SYSID_BASE)
#include <command.h>
#include <asm/io.h>
#include <linux/time.h>
typedef volatile struct {
unsigned id; /* The system build id */
unsigned timestamp; /* Timestamp */
} nios_sysid_t;
void display_sysid (void)
{
nios_sysid_t *sysid = (nios_sysid_t *)CONFIG_SYS_NIOS_SYSID_BASE;
struct tm t;
char asc[32];
time_t stamp;
stamp = readl (&sysid->timestamp);
localtime_r (&stamp, &t);
asctime_r (&t, asc);
printf ("SYSID : %08lx, %s", readl (&sysid->id), asc);
}
int do_sysid (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
display_sysid ();
return (0);
}
U_BOOT_CMD(
sysid, 1, 1, do_sysid,
"display Nios-II system id",
""
);
#endif /* CONFIG_SYS_NIOS_SYSID_BASE */