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