mirror of
https://source.denx.de/u-boot/u-boot.git
synced 2025-10-31 08:21:36 +01:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
149 lines
2.6 KiB
C
149 lines
2.6 KiB
C
/*
|
|
*
|
|
* (C) Copyright 2000-2003
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <watchdog.h>
|
|
#include <command.h>
|
|
#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[])
|
|
{
|
|
gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
|
|
|
|
out_be16(&gptmr->pre, 10);
|
|
out_be16(&gptmr->cnt, 1);
|
|
|
|
/* enable watchdog, set timeout to 0 and wait */
|
|
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)
|
|
{
|
|
siu_t *siu = (siu_t *) MMAP_SIU;
|
|
u16 id = 0;
|
|
|
|
puts("CPU: ");
|
|
|
|
switch ((in_be32(&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) {
|
|
char buf1[32], buf2[32];
|
|
|
|
printf("Freescale MCF%d\n", id);
|
|
printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
|
|
strmhz(buf1, gd->cpu_clk),
|
|
strmhz(buf2, gd->bus_clk));
|
|
}
|
|
|
|
return 0;
|
|
};
|
|
|
|
#if defined(CONFIG_HW_WATCHDOG)
|
|
/* Called by macro WATCHDOG_RESET */
|
|
void hw_watchdog_reset(void)
|
|
{
|
|
gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
|
|
|
|
out_8(&gptmr->ocpw, 0xa5);
|
|
}
|
|
|
|
int watchdog_disable(void)
|
|
{
|
|
gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
|
|
|
|
/* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
|
|
out_8(&gptmr->mode, 0);
|
|
out_8(&gptmr->ctrl, 0);
|
|
|
|
puts("WATCHDOG:disabled\n");
|
|
|
|
return (0);
|
|
}
|
|
|
|
int watchdog_init(void)
|
|
{
|
|
gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
|
|
|
|
out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
|
|
out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
|
|
|
|
out_8(&gptmr->mode, GPT_TMS_SGPIO);
|
|
out_8(&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
|