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,
32 #include <asm/immap.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
38 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
43 /* enable watchdog, set timeout to 0 and wait */
44 gptmr->mode = GPT_TMS_SGPIO;
45 gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
47 /* we don't return! */
53 volatile siu_t *siu = (siu_t *) MMAP_SIU;
58 switch ((siu->jtagid & 0x000FF000) >> 12) {
98 printf("Freescale MCF%d\n", id);
99 printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n",
100 (int)(gd->cpu_clk / 1000000),
101 (int)(gd->bus_clk / 1000000));
107 #if defined(CONFIG_HW_WATCHDOG)
108 /* Called by macro WATCHDOG_RESET */
109 void hw_watchdog_reset(void)
111 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
116 int watchdog_disable(void)
118 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
120 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
124 puts("WATCHDOG:disabled\n");
129 int watchdog_init(void)
132 volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
134 gptmr->pre = CONFIG_WATCHDOG_TIMEOUT;
135 gptmr->cnt = CFG_TIMER_PRESCALER * 1000;
137 gptmr->mode = GPT_TMS_SGPIO;
138 gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN;
139 puts("WATCHDOG:enabled\n");
143 #endif /* CONFIG_HW_WATCHDOG */
145 #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
146 /* Default initializations for MCFFEC controllers. To override,
147 * create a board-specific function called:
148 * int board_eth_init(bd_t *bis)
151 extern int mcdmafec_initialize(bd_t *bis);
152 extern int mcffec_initialize(bd_t*);
154 int cpu_eth_init(bd_t *bis)
156 #if defined(CONFIG_FSLDMAFEC)
157 mcdmafec_initialize(bis);
159 #if defined(CONFIG_MCFFEC)
160 mcffec_initialize(bis);