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| author | Thomas Reitmayr <treitmayr@devbase.at> | 2009-06-01 13:38:34 +0200 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2009-06-08 13:04:59 -0400 |
| commit | 054bd3f053de54c81b20df11f354476389826e61 (patch) | |
| tree | 9e2a70dac9ee0619e32d95cd96b378e290167ce6 | |
| parent | 6462c6160af557c310d5941f4700ea2c7f6c67b2 (diff) | |
| download | op-kernel-dev-054bd3f053de54c81b20df11f354476389826e61.zip op-kernel-dev-054bd3f053de54c81b20df11f354476389826e61.tar.gz | |
[ARM] Kirkwood: Add the watchdog timer as a platform device.
The Kirkwood architecture uses the same watchdog device as the Orion
architecture. This patch adds orion5x_wdt as a platform device for
Kirkwood.
Signed-off-by: Thomas Reitmayr <treitmayr@devbase.at>
Tested-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 25 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 3 | ||||
| -rw-r--r-- | drivers/watchdog/Kconfig | 4 |
3 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index d127731..a053184 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -30,6 +30,7 @@ #include <plat/mvsdio.h> #include <plat/mv_xor.h> #include <plat/orion_nand.h> +#include <plat/orion5x_wdt.h> #include <plat/time.h> #include "common.h" @@ -768,6 +769,29 @@ static void __init kirkwood_xor1_init(void) /***************************************************************************** + * Watchdog + ****************************************************************************/ +static struct orion5x_wdt_platform_data kirkwood_wdt_data = { + .tclk = 0, +}; + +static struct platform_device kirkwood_wdt_device = { + .name = "orion5x_wdt", + .id = -1, + .dev = { + .platform_data = &kirkwood_wdt_data, + }, + .num_resources = 0, +}; + +static void __init kirkwood_wdt_init(void) +{ + kirkwood_wdt_data.tclk = kirkwood_tclk; + platform_device_register(&kirkwood_wdt_device); +} + + +/***************************************************************************** * Time handling ****************************************************************************/ int kirkwood_tclk; @@ -859,6 +883,7 @@ void __init kirkwood_init(void) /* internal devices that every board has */ kirkwood_rtc_init(); + kirkwood_wdt_init(); kirkwood_xor0_init(); kirkwood_xor1_init(); } diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 00d96ab..9e80d92 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -17,12 +17,15 @@ #define CPU_RESET 0x00000002 #define RSTOUTn_MASK (BRIDGE_VIRT_BASE | 0x0108) +#define WDT_RESET_OUT_EN 0x00000002 #define SOFT_RESET_OUT_EN 0x00000004 #define SYSTEM_SOFT_RESET (BRIDGE_VIRT_BASE | 0x010c) #define SOFT_RESET 0x00000001 #define BRIDGE_CAUSE (BRIDGE_VIRT_BASE | 0x0110) +#define WDT_INT_REQ 0x0008 + #define BRIDGE_MASK (BRIDGE_VIRT_BASE | 0x0114) #define BRIDGE_INT_TIMER0 0x0002 #define BRIDGE_INT_TIMER1 0x0004 diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 5eb8f21..1e983b1 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -233,10 +233,10 @@ config DAVINCI_WATCHDOG config ORION5X_WATCHDOG tristate "Orion5x watchdog" - depends on ARCH_ORION5X + depends on ARCH_ORION5X || ARCH_KIRKWOOD help Say Y here if to include support for the watchdog timer - in the Orion5x ARM SoCs. + in the Orion5x and Kirkwood ARM SoCs. To compile this driver as a module, choose M here: the module will be called orion5x_wdt. |
