diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/watchdog/ftwdt010_wdt.c')
| -rw-r--r-- | qemu/roms/u-boot/drivers/watchdog/ftwdt010_wdt.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/qemu/roms/u-boot/drivers/watchdog/ftwdt010_wdt.c b/qemu/roms/u-boot/drivers/watchdog/ftwdt010_wdt.c deleted file mode 100644 index 11f58f529..000000000 --- a/qemu/roms/u-boot/drivers/watchdog/ftwdt010_wdt.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Watchdog driver for the FTWDT010 Watch Dog Driver - * - * (c) Copyright 2004 Faraday Technology Corp. (www.faraday-tech.com) - * Based on sa1100_wdt.c by Oleg Drokin <green@crimea.edu> - * Based on SoftDog driver by Alan Cox <alan@redhat.com> - * - * Copyright (C) 2011 Andes Technology Corporation - * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> - * - * SPDX-License-Identifier: GPL-2.0+ - * - * 27/11/2004 Initial release, Faraday. - * 12/01/2011 Port to u-boot, Macpaul Lin. - */ - -#include <common.h> -#include <watchdog.h> -#include <asm/io.h> -#include <faraday/ftwdt010_wdt.h> - -/* - * Set the watchdog time interval. - * Counter is 32 bit. - */ -int ftwdt010_wdt_settimeout(unsigned int timeout) -{ - unsigned int reg; - - struct ftwdt010_wdt *wd = (struct ftwdt010_wdt *)CONFIG_FTWDT010_BASE; - - debug("Activating WDT..\n"); - - /* Check if disabled */ - if (readl(&wd->wdcr) & ~FTWDT010_WDCR_ENABLE) { - printf("sorry, watchdog is disabled\n"); - return -1; - } - - /* - * In a 66MHz system, - * if you set WDLOAD as 0x03EF1480 (66000000) - * the reset timer is 1 second. - */ - reg = FTWDT010_WDLOAD(timeout * FTWDT010_TIMEOUT_FACTOR); - - writel(reg, &wd->wdload); - - return 0; -} - -void ftwdt010_wdt_reset(void) -{ - struct ftwdt010_wdt *wd = (struct ftwdt010_wdt *)CONFIG_FTWDT010_BASE; - - /* clear control register */ - writel(0, &wd->wdcr); - - /* Write Magic number */ - writel(FTWDT010_WDRESTART_MAGIC, &wd->wdrestart); - - /* Enable WDT */ - writel((FTWDT010_WDCR_RST | FTWDT010_WDCR_ENABLE), &wd->wdcr); -} - -void ftwdt010_wdt_disable(void) -{ - struct ftwdt010_wdt *wd = (struct ftwdt010_wdt *)CONFIG_FTWDT010_BASE; - - debug("Deactivating WDT..\n"); - - /* - * It was defined with CONFIG_WATCHDOG_NOWAYOUT in Linux - * - * Shut off the timer. - * Lock it in if it's a module and we defined ...NOWAYOUT - */ - writel(0, &wd->wdcr); -} - -#if defined(CONFIG_HW_WATCHDOG) -void hw_watchdog_reset(void) -{ - ftwdt010_wdt_reset(); -} - -void hw_watchdog_init(void) -{ - /* set timer in ms */ - ftwdt010_wdt_settimeout(CONFIG_FTWDT010_HW_TIMEOUT * 1000); -} -#endif |