* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
#include <netdev.h>
#include <asm/immap.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- gptmr->pre = 10;
- gptmr->cnt = 1;
+ out_be16(&gptmr->pre, 10);
+ out_be16(&gptmr->cnt, 1);
/* enable watchdog, set timeout to 0 and wait */
- gptmr->mode = GPT_TMS_SGPIO;
- gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
+ out_8(&gptmr->mode, GPT_TMS_SGPIO);
+ out_8(&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;
+ siu_t *siu = (siu_t *) MMAP_SIU;
u16 id = 0;
puts("CPU: ");
- switch ((siu->jtagid & 0x000FF000) >> 12) {
+ switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
case 0x0C:
id = 5485;
break;
/* Called by macro WATCHDOG_RESET */
void hw_watchdog_reset(void)
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- gptmr->ocpw = 0xa5;
+ out_8(&gptmr->ocpw, 0xa5);
}
int watchdog_disable(void)
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
/* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
- gptmr->mode = 0;
- gptmr->ctrl = 0;
+ out_8(&gptmr->mode, 0);
+ out_8(&gptmr->ctrl, 0);
puts("WATCHDOG:disabled\n");
int watchdog_init(void)
{
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
+ out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
- 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;
+ out_8(&gptmr->mode, GPT_TMS_SGPIO);
+ out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
puts("WATCHDOG:enabled\n");
return (0);