1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 *
4 * (C) Copyright 2000-2003
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
8 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9 */
10
11 #include <common.h>
12 #include <init.h>
13 #include <vsprintf.h>
14 #include <watchdog.h>
15 #include <command.h>
16 #include <asm/global_data.h>
17 #include <linux/delay.h>
18
19 #include <asm/immap.h>
20 #include <asm/io.h>
21
22 DECLARE_GLOBAL_DATA_PTR;
23
do_reset(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])24 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
25 {
26 rcm_t *rcm = (rcm_t *) (MMAP_RCM);
27 udelay(1000);
28 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
29
30 /* we don't return! */
31 return 0;
32 };
33
34 #if defined(CONFIG_DISPLAY_CPUINFO)
print_cpuinfo(void)35 int print_cpuinfo(void)
36 {
37 ccm_t *ccm = (ccm_t *) MMAP_CCM;
38 u16 msk;
39 u16 id = 0;
40 u8 ver;
41
42 puts("CPU: ");
43 msk = (in_be16(&ccm->cir) >> 6);
44 ver = (in_be16(&ccm->cir) & 0x003f);
45 switch (msk) {
46 case 0x6c:
47 id = 52277;
48 break;
49 }
50
51 if (id) {
52 char buf1[32], buf2[32], buf3[32];
53
54 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
55 ver);
56 printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n",
57 strmhz(buf1, gd->cpu_clk),
58 strmhz(buf2, gd->bus_clk),
59 strmhz(buf3, gd->arch.flb_clk));
60 printf(" INP CLK %s MHz VCO CLK %s MHz\n",
61 strmhz(buf1, gd->arch.inp_clk),
62 strmhz(buf2, gd->arch.vco_clk));
63 }
64
65 return 0;
66 }
67 #endif /* CONFIG_DISPLAY_CPUINFO */
68