1 /* 2 * 3 * (C) Copyright 2000-2003 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * Copyright (C) 2004-2007 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 35 DECLARE_GLOBAL_DATA_PTR; 36 37 int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[]) 38 { 39 volatile rcm_t *rcm = (rcm_t *) (MMAP_RCM); 40 udelay(1000); 41 rcm->rcr |= RCM_RCR_SOFTRST; 42 43 /* we don't return! */ 44 return 0; 45 }; 46 47 int checkcpu(void) 48 { 49 volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; 50 u16 msk; 51 u16 id = 0; 52 u8 ver; 53 54 puts("CPU: "); 55 msk = (ccm->cir >> 6); 56 ver = (ccm->cir & 0x003f); 57 switch (msk) { 58 case 0x48: 59 id = 54455; 60 break; 61 case 0x49: 62 id = 54454; 63 break; 64 case 0x4a: 65 id = 54453; 66 break; 67 case 0x4b: 68 id = 54452; 69 break; 70 case 0x4d: 71 id = 54451; 72 break; 73 case 0x4f: 74 id = 54450; 75 break; 76 } 77 78 if (id) { 79 char buf1[32], buf2[32], buf3[32]; 80 81 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, 82 ver); 83 printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", 84 strmhz(buf1, gd->cpu_clk), 85 strmhz(buf2, gd->bus_clk), 86 strmhz(buf3, gd->flb_clk)); 87 #ifdef CONFIG_PCI 88 printf(" PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n", 89 strmhz(buf1, gd->pci_clk), 90 strmhz(buf2, gd->inp_clk), 91 strmhz(buf3, gd->vco_clk)); 92 #else 93 printf(" INP CLK %s MHz VCO CLK %s MHz\n", 94 strmhz(buf1, gd->inp_clk), 95 strmhz(buf2, gd->vco_clk)); 96 #endif 97 } 98 99 return 0; 100 } 101 102 #if defined(CONFIG_MCFFEC) 103 /* Default initializations for MCFFEC controllers. To override, 104 * create a board-specific function called: 105 * int board_eth_init(bd_t *bis) 106 */ 107 108 int cpu_eth_init(bd_t *bis) 109 { 110 return mcffec_initialize(bis); 111 } 112 #endif 113