1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
4 *
5 */
6
7 #include <common.h>
8 #include <command.h>
9 #include <init.h>
10 #include <vsprintf.h>
11 #include <asm/immap.h>
12 #include <asm/io.h>
13
14 #ifdef CONFIG_M5307
do_reset(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])15 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
16 {
17 sim_t *sim = (sim_t *)(MMAP_SIM);
18
19 /* enable watchdog/reset, set timeout to 0 and wait */
20 out_8(&sim->sypcr, SYPCR_SWE | SYPCR_SWRI);
21
22 /* wait for watchdog reset */
23 for (;;)
24 ;
25
26 /* we don't return! */
27 return 0;
28 }
29
30 #if defined(CONFIG_DISPLAY_CPUINFO)
print_cpuinfo(void)31 int print_cpuinfo(void)
32 {
33 char buf[32];
34
35 printf("CPU: Freescale Coldfire MCF5307 at %s MHz\n",
36 strmhz(buf, CONFIG_SYS_CPU_CLK));
37 return 0;
38 }
39 #endif /* CONFIG_DISPLAY_CPUINFO */
40 #endif
41