u-boot/arch/m68k/cpu/mcf530x/cpu.c

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/*
* (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#include <common.h>
#include <asm/immap.h>
#include <asm/io.h>
#ifdef CONFIG_M5307
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
sim_t *sim = (sim_t *)(MMAP_SIM);
/* enable watchdog/reset, set timeout to 0 and wait */
out_8(&sim->sypcr, SYPCR_SWE | SYPCR_SWRI);
/* wait for watchdog reset */
for (;;)
;
/* we don't return! */
return 0;
}
int checkcpu(void)
{
char buf[32];
printf("CPU: Freescale Coldfire MCF5307 at %s MHz\n",
strmhz(buf, CONFIG_SYS_CPU_CLK));
return 0;
}
#endif