diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/watchdog/Makefile | 2 | ||||
| -rw-r--r-- | drivers/watchdog/imx_watchdog.c | 9 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index b6974ad619..10fd3039aa 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -11,6 +11,12 @@ config WATCHDOG config HW_WATCHDOG bool +config WATCHDOG_RESET_DISABLE + bool "Disable reset watchdog" + help + Disable reset watchdog, which can let WATCHDOG_RESET invalid, so + that the watchdog will not be fed in u-boot. + config BCM2835_WDT bool "Enable BCM2835/2836 watchdog driver" select HW_WATCHDOG diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 74738eeaf7..d901240ad1 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -7,6 +7,8 @@ obj-$(CONFIG_WDT_AT91) += at91sam9_wdt.o obj-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o ifneq (,$(filter $(SOC), mx25 mx31 mx35 mx5 mx6 mx7 vf610)) obj-y += imx_watchdog.o +else +obj-$(CONFIG_IMX_WATCHDOG) += imx_watchdog.o endif obj-$(CONFIG_S5P) += s5p_wdt.o obj-$(CONFIG_XILINX_TB_WATCHDOG) += xilinx_tb_wdt.o diff --git a/drivers/watchdog/imx_watchdog.c b/drivers/watchdog/imx_watchdog.c index 3f826d10eb..14cc618074 100644 --- a/drivers/watchdog/imx_watchdog.c +++ b/drivers/watchdog/imx_watchdog.c @@ -8,15 +8,20 @@ #include <asm/io.h> #include <watchdog.h> #include <asm/arch/imx-regs.h> +#ifdef CONFIG_FSL_LSCH2 +#include <asm/arch/immap_lsch2.h> +#endif #include <fsl_wdog.h> #ifdef CONFIG_IMX_WATCHDOG void hw_watchdog_reset(void) { +#ifndef CONFIG_WATCHDOG_RESET_DISABLE struct watchdog_regs *wdog = (struct watchdog_regs *)WDOG1_BASE_ADDR; writew(0x5555, &wdog->wsr); writew(0xaaaa, &wdog->wsr); +#endif /* CONFIG_WATCHDOG_RESET_DISABLE*/ } void hw_watchdog_init(void) @@ -33,8 +38,12 @@ void hw_watchdog_init(void) #define CONFIG_WATCHDOG_TIMEOUT_MSECS 128000 #endif timeout = (CONFIG_WATCHDOG_TIMEOUT_MSECS / 500) - 1; +#ifdef CONFIG_FSL_LSCH2 + writew((WCR_WDA | WCR_SRS | WCR_WDE) << 8 | timeout, &wdog->wcr); +#else writew(WCR_WDZST | WCR_WDBG | WCR_WDE | WCR_WDT | WCR_SRS | WCR_WDA | SET_WCR_WT(timeout), &wdog->wcr); +#endif /* CONFIG_FSL_LSCH2*/ hw_watchdog_reset(); } #endif |