/* * * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) { volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); gptmr->pre = 10; gptmr->cnt = 1; /* enable watchdog, set timeout to 0 and wait */ gptmr->mode = GPT_TMS_SGPIO; gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE; /* we don't return! */ return 1; }; int checkcpu(void) { volatile siu_t *siu = (siu_t *) MMAP_SIU; u16 id = 0; puts("CPU: "); switch ((siu->jtagid & 0x000FF000) >> 12) { case 0x0C: id = 5485; break; case 0x0D: id = 5484; break; case 0x0E: id = 5483; break; case 0x0F: id = 5482; break; case 0x10: id = 5481; break; case 0x11: id = 5480; break; case 0x12: id = 5475; break; case 0x13: id = 5474; break; case 0x14: id = 5473; break; case 0x15: id = 5472; break; case 0x16: id = 5471; break; case 0x17: id = 5470; break; } if (id) { char buf1[32], buf2[32]; printf("Freescale MCF%d\n", id); printf(" CPU CLK %s MHz BUS CLK %s MHz\n", strmhz(buf1, gd->cpu_clk), strmhz(buf2, gd->bus_clk)); } return 0; }; #if defined(CONFIG_HW_WATCHDOG) /* Called by macro WATCHDOG_RESET */ void hw_watchdog_reset(void) { volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); gptmr->ocpw = 0xa5; } int watchdog_disable(void) { volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ gptmr->mode = 0; gptmr->ctrl = 0; puts("WATCHDOG:disabled\n"); return (0); } int watchdog_init(void) { volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); gptmr->pre = CONFIG_WATCHDOG_TIMEOUT; gptmr->cnt = CONFIG_SYS_TIMER_PRESCALER * 1000; gptmr->mode = GPT_TMS_SGPIO; gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN; puts("WATCHDOG:enabled\n"); return (0); } #endif /* CONFIG_HW_WATCHDOG */ #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC) /* Default initializations for MCFFEC controllers. To override, * create a board-specific function called: * int board_eth_init(bd_t *bis) */ int cpu_eth_init(bd_t *bis) { #if defined(CONFIG_FSLDMAFEC) mcdmafec_initialize(bis); #endif #if defined(CONFIG_MCFFEC) mcffec_initialize(bis); #endif return 0; } #endif