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 * See file CREDITS for list of people who contributed to this 10 * project. 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of 15 * the License, or (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 25 * MA 02111-1307 USA 26 */ 27 28 #include <common.h> 29 #include <watchdog.h> 30 #include <command.h> 31 #include <netdev.h> 32 33 #include <asm/immap.h> 34 #include <asm/io.h> 35 36 DECLARE_GLOBAL_DATA_PTR; 37 38 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 39 { 40 rcm_t *rcm = (rcm_t *) (MMAP_RCM); 41 udelay(1000); 42 out_8(&rcm->rcr, RCM_RCR_FRCRSTOUT); 43 udelay(10000); 44 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST); 45 46 /* we don't return! */ 47 return 0; 48 }; 49 50 int checkcpu(void) 51 { 52 ccm_t *ccm = (ccm_t *) MMAP_CCM; 53 u16 msk; 54 u16 id = 0; 55 u8 ver; 56 57 puts("CPU: "); 58 msk = (in_be16(&ccm->cir) >> 6); 59 ver = (in_be16(&ccm->cir) & 0x003f); 60 switch (msk) { 61 case 0x48: 62 id = 54455; 63 break; 64 case 0x49: 65 id = 54454; 66 break; 67 case 0x4a: 68 id = 54453; 69 break; 70 case 0x4b: 71 id = 54452; 72 break; 73 case 0x4d: 74 id = 54451; 75 break; 76 case 0x4f: 77 id = 54450; 78 break; 79 case 0x9F: 80 id = 54410; 81 break; 82 case 0xA0: 83 id = 54415; 84 break; 85 case 0xA1: 86 id = 54416; 87 break; 88 case 0xA2: 89 id = 54417; 90 break; 91 case 0xA3: 92 id = 54418; 93 break; 94 } 95 96 if (id) { 97 char buf1[32], buf2[32], buf3[32]; 98 99 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, 100 ver); 101 printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", 102 strmhz(buf1, gd->cpu_clk), 103 strmhz(buf2, gd->bus_clk), 104 strmhz(buf3, gd->flb_clk)); 105 #ifdef CONFIG_PCI 106 printf(" PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n", 107 strmhz(buf1, gd->pci_clk), 108 strmhz(buf2, gd->inp_clk), 109 strmhz(buf3, gd->vco_clk)); 110 #else 111 printf(" INP CLK %s MHz VCO CLK %s MHz\n", 112 strmhz(buf1, gd->inp_clk), 113 strmhz(buf2, gd->vco_clk)); 114 #endif 115 } 116 117 return 0; 118 } 119 120 #if defined(CONFIG_MCFFEC) 121 /* Default initializations for MCFFEC controllers. To override, 122 * create a board-specific function called: 123 * int board_eth_init(bd_t *bis) 124 */ 125 126 int cpu_eth_init(bd_t *bis) 127 { 128 return mcffec_initialize(bis); 129 } 130 #endif 131