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/*
*
* (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 <common.h>
#include <watchdog.h>
#include <command.h>
#include <netdev.h>
#include <asm/immap.h>
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) {
printf("Freescale MCF%d\n", id);
printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n",
(int)(gd->cpu_clk / 1000000),
(int)(gd->bus_clk / 1000000));
}
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
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