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 #include <netdev.h> 16 17 #include <asm/immap.h> 18 #include <asm/io.h> 19 20 DECLARE_GLOBAL_DATA_PTR; 21 22 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 23 { 24 rcm_t *rcm = (rcm_t *) (MMAP_RCM); 25 udelay(1000); 26 out_8(&rcm->rcr, RCM_RCR_FRCRSTOUT); 27 udelay(10000); 28 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST); 29 30 /* we don't return! */ 31 return 0; 32 }; 33 34 int checkcpu(void) 35 { 36 ccm_t *ccm = (ccm_t *) MMAP_CCM; 37 u16 msk; 38 u16 id = 0; 39 u8 ver; 40 41 puts("CPU: "); 42 msk = (in_be16(&ccm->cir) >> 6); 43 ver = (in_be16(&ccm->cir) & 0x003f); 44 switch (msk) { 45 case 0x48: 46 id = 54455; 47 break; 48 case 0x49: 49 id = 54454; 50 break; 51 case 0x4a: 52 id = 54453; 53 break; 54 case 0x4b: 55 id = 54452; 56 break; 57 case 0x4d: 58 id = 54451; 59 break; 60 case 0x4f: 61 id = 54450; 62 break; 63 case 0x9F: 64 id = 54410; 65 break; 66 case 0xA0: 67 id = 54415; 68 break; 69 case 0xA1: 70 id = 54416; 71 break; 72 case 0xA2: 73 id = 54417; 74 break; 75 case 0xA3: 76 id = 54418; 77 break; 78 } 79 80 if (id) { 81 char buf1[32], buf2[32], buf3[32]; 82 83 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, 84 ver); 85 printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", 86 strmhz(buf1, gd->cpu_clk), 87 strmhz(buf2, gd->bus_clk), 88 strmhz(buf3, gd->arch.flb_clk)); 89 #ifdef CONFIG_PCI 90 printf(" PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n", 91 strmhz(buf1, gd->pci_clk), 92 strmhz(buf2, gd->arch.inp_clk), 93 strmhz(buf3, gd->arch.vco_clk)); 94 #else 95 printf(" INP CLK %s MHz VCO CLK %s MHz\n", 96 strmhz(buf1, gd->arch.inp_clk), 97 strmhz(buf2, gd->arch.vco_clk)); 98 #endif 99 } 100 101 return 0; 102 } 103 104 #if defined(CONFIG_MCFFEC) 105 /* Default initializations for MCFFEC controllers. To override, 106 * create a board-specific function called: 107 * int board_eth_init(bd_t *bis) 108 */ 109 110 int cpu_eth_init(bd_t *bis) 111 { 112 return mcffec_initialize(bis); 113 } 114 #endif 115