3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9 * See file CREDITS for list of people who contributed to this
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.
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.
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,
33 #include <asm/immap.h>
35 DECLARE_GLOBAL_DATA_PTR;
37 int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
39 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
44 /* enable watchdog, set timeout to 0 and wait */
45 gptmr->mode = GPT_TMS_SGPIO;
46 gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
48 /* we don't return! */
54 volatile siu_t *siu = (siu_t *) MMAP_SIU;
59 switch ((siu->jtagid & 0x000FF000) >> 12) {
99 printf("Freescale MCF%d\n", id);
100 printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n",
101 (int)(gd->cpu_clk / 1000000),
102 (int)(gd->bus_clk / 1000000));
108 #if defined(CONFIG_HW_WATCHDOG)
109 /* Called by macro WATCHDOG_RESET */
110 void hw_watchdog_reset(void)
112 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
117 int watchdog_disable(void)
119 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
121 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
125 puts("WATCHDOG:disabled\n");
130 int watchdog_init(void)
133 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
135 gptmr->pre = CONFIG_WATCHDOG_TIMEOUT;
136 gptmr->cnt = CONFIG_SYS_TIMER_PRESCALER * 1000;
138 gptmr->mode = GPT_TMS_SGPIO;
139 gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN;
140 puts("WATCHDOG:enabled\n");
144 #endif /* CONFIG_HW_WATCHDOG */
146 #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
147 /* Default initializations for MCFFEC controllers. To override,
148 * create a board-specific function called:
149 * int board_eth_init(bd_t *bis)
152 int cpu_eth_init(bd_t *bis)
154 #if defined(CONFIG_FSLDMAFEC)
155 mcdmafec_initialize(bis);
157 #if defined(CONFIG_MCFFEC)
158 mcffec_initialize(bis);