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/*
*
* (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;
};
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo(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;
};
#endif /* CONFIG_DISPLAY_CPUINFO */
#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
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