3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Copyright (C) 2004-2007, 2012 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>
36 DECLARE_GLOBAL_DATA_PTR;
38 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
40 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
42 out_be16(&gptmr->pre, 10);
43 out_be16(&gptmr->cnt, 1);
45 /* enable watchdog, set timeout to 0 and wait */
46 out_8(&gptmr->mode, GPT_TMS_SGPIO);
47 out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE);
49 /* we don't return! */
55 siu_t *siu = (siu_t *) MMAP_SIU;
60 switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
100 char buf1[32], buf2[32];
102 printf("Freescale MCF%d\n", id);
103 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
104 strmhz(buf1, gd->cpu_clk),
105 strmhz(buf2, gd->bus_clk));
111 #if defined(CONFIG_HW_WATCHDOG)
112 /* Called by macro WATCHDOG_RESET */
113 void hw_watchdog_reset(void)
115 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
117 out_8(&gptmr->ocpw, 0xa5);
120 int watchdog_disable(void)
122 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
124 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
125 out_8(&gptmr->mode, 0);
126 out_8(&gptmr->ctrl, 0);
128 puts("WATCHDOG:disabled\n");
133 int watchdog_init(void)
135 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
137 out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
138 out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
140 out_8(&gptmr->mode, GPT_TMS_SGPIO);
141 out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
142 puts("WATCHDOG:enabled\n");
146 #endif /* CONFIG_HW_WATCHDOG */
148 #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
149 /* Default initializations for MCFFEC controllers. To override,
150 * create a board-specific function called:
151 * int board_eth_init(bd_t *bis)
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);