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 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 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