mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
bf9e3b38f7
* Patch by Josef Baumgartner, 10 Feb 2004: Fixes for Coldfire port * Patch by Brad Kemp, 11 Feb 2004: Fix CFI flash driver problems
123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
/*
|
|
* (C) Copyright 2003
|
|
* Josef Baumgartner <josef.baumgartner@telex.de>
|
|
*
|
|
* 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>
|
|
|
|
#ifdef CONFIG_M5272
|
|
#include <asm/immap_5272.h>
|
|
#include <asm/m5272.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_M5282
|
|
|
|
#endif
|
|
|
|
|
|
#ifdef CONFIG_M5272
|
|
int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
|
|
volatile wdog_t * wdp = (wdog_t *)(CFG_MBAR + MCFSIM_WRRR);
|
|
|
|
wdp->wdog_wrrr = 0;
|
|
udelay (1000);
|
|
|
|
/* enable watchdog, set timeout to 0 and wait */
|
|
wdp->wdog_wrrr = 1;
|
|
while (1);
|
|
|
|
/* we don't return! */
|
|
return 0;
|
|
};
|
|
|
|
int checkcpu(void) {
|
|
ulong *dirp = (ulong *)(CFG_MBAR + MCFSIM_DIR);
|
|
uchar msk;
|
|
char *suf;
|
|
|
|
puts ("CPU: ");
|
|
msk = (*dirp > 28) & 0xf;
|
|
switch (msk) {
|
|
case 0x2: suf = "1K75N"; break;
|
|
case 0x4: suf = "3K75N"; break;
|
|
default:
|
|
suf = NULL;
|
|
printf ("MOTOROLA MCF5272 (Mask:%01x)\n", msk);
|
|
break;
|
|
}
|
|
|
|
if (suf)
|
|
printf ("MOTOROLA MCF5272 %s\n", suf);
|
|
return 0;
|
|
};
|
|
|
|
|
|
#if defined(CONFIG_WATCHDOG)
|
|
/* Called by macro WATCHDOG_RESET */
|
|
void watchdog_reset (void)
|
|
{
|
|
volatile immap_t * regp = (volatile immap_t *)CFG_MBAR;
|
|
regp->wdog_reg.wdog_wcr = 0;
|
|
}
|
|
|
|
int watchdog_disable (void)
|
|
{
|
|
volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
|
|
|
|
regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
|
|
regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
|
|
regp->wdog_reg.wdog_wrrr = 0; /* disable watchdog timer */
|
|
|
|
puts ("WATCHDOG:disabled\n");
|
|
return (0);
|
|
}
|
|
|
|
int watchdog_init (void)
|
|
{
|
|
volatile immap_t *regp = (volatile immap_t *)CFG_MBAR;
|
|
|
|
regp->wdog_reg.wdog_wirr = 0; /* disable watchdog interrupt */
|
|
|
|
/* set timeout and enable watchdog */
|
|
regp->wdog_reg.wdog_wrrr = ((CONFIG_WATCHDOG_TIMEOUT * CFG_HZ) / (32768 * 1000)) - 1;
|
|
regp->wdog_reg.wdog_wcr = 0; /* reset watchdog counter */
|
|
|
|
puts ("WATCHDOG:enabled\n");
|
|
return (0);
|
|
}
|
|
#endif /* #ifdef CONFIG_WATCHDOG */
|
|
|
|
#endif /* #ifdef CONFIG_M5272 */
|
|
|
|
|
|
#ifdef CONFIG_M5282
|
|
int checkcpu (void)
|
|
{
|
|
puts ("CPU: MOTOROLA Coldfire MCF5282\n");
|
|
return 0;
|
|
}
|
|
|
|
int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) {
|
|
return 0;
|
|
};
|
|
#endif
|