diff options
| author | Prasanthi Chellakumar <Prasanthi.Chellakumar@microchip.com> | 2018-10-09 11:46:40 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-11-16 13:34:34 -0500 |
| commit | 1473f6ac882fde8078826ca828aa3494ff98bf08 (patch) | |
| tree | 4eb5772d7cdf5113ba64e6c25a20594d6c1bc366 /arch/arm/mach-at91 | |
| parent | eb13dddd2c0cf7e02f3cc52f783af332a64a63d2 (diff) | |
arm: at91: wdt: Convert watchdog driver to dm/dt
Convert the Watchdog driver for AT91SAM9x processors to support
the driver model and device tree. Changes "CONFIG_AT91SAM9_WATCHDOG"
to new "CONFIG_WDT_AT91" Kconfig option.
Signed-off-by: Prasanthi Chellakumar <prasanthi.chellakumar@microchip.com>
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_wdt.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-at91/spl.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/spl_at91.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/spl_atmel.c | 2 |
4 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h index 99b0cc812d..cd2272367b 100644 --- a/arch/arm/mach-at91/include/mach/at91_wdt.h +++ b/arch/arm/mach-at91/include/mach/at91_wdt.h @@ -4,7 +4,7 @@ * * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> * Copyright (C) 2007 Andrew Victor - * Copyright (C) 2007 Atmel Corporation. + * Copyright (C) 2018 Microchip Technology Inc. * * Watchdog Timer (WDT) - System peripherals regsters. * Based on AT91SAM9261 datasheet revision D. @@ -27,9 +27,13 @@ typedef struct at91_wdt { #endif +/* Watchdog Control Register */ +#define AT91_WDT_CR 0x00 #define AT91_WDT_CR_WDRSTT 1 #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */ +/* Watchdog Mode Register*/ +#define AT91_WDT_MR 0X04 #define AT91_WDT_MR_WDV(x) (x & 0xfff) #define AT91_WDT_MR_WDFIEN 0x00001000 #define AT91_WDT_MR_WDRSTEN 0x00002000 diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c index 8bfb2a452b..6da6d41be2 100644 --- a/arch/arm/mach-at91/spl.c +++ b/arch/arm/mach-at91/spl.c @@ -11,7 +11,7 @@ #include <asm/arch/clk.h> #include <spl.h> -#if !defined(CONFIG_AT91SAM9_WATCHDOG) +#if !defined(CONFIG_WDT_AT91) void at91_disable_wdt(void) { struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT; diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c index 8c368042a6..23ebaa99b1 100644 --- a/arch/arm/mach-at91/spl_at91.c +++ b/arch/arm/mach-at91/spl_at91.c @@ -76,7 +76,7 @@ void __weak spl_board_init(void) void board_init_f(ulong dummy) { lowlevel_clock_init(); -#if !defined(CONFIG_AT91SAM9_WATCHDOG) +#if !defined(CONFIG_WDT_AT91) at91_disable_wdt(); #endif diff --git a/arch/arm/mach-at91/spl_atmel.c b/arch/arm/mach-at91/spl_atmel.c index 597ff8c036..ef745c9477 100644 --- a/arch/arm/mach-at91/spl_atmel.c +++ b/arch/arm/mach-at91/spl_atmel.c @@ -98,7 +98,7 @@ void board_init_f(ulong dummy) configure_2nd_sram_as_l2_cache(); #endif -#if !defined(CONFIG_AT91SAM9_WATCHDOG) +#if !defined(CONFIG_WDT_AT91) /* disable watchdog */ at91_disable_wdt(); #endif |