[U-Boot] [PATCH v3 2/2] socfpga: Adding DesignWare watchdog support

[Michal Simek]

On 02/27/2014 08:55 PM, Chin Liang See wrote:
> Hi Michal,
> 
> On Mon, 2014-02-24 at 08:52 +0100, Michal Simek wrote:
>> On 02/21/2014 09:57 PM, Chin Liang See wrote:
>>> To enable the DesignWare watchdog support at SOCFPGA Cyclone V
>>> dev kit.
>>>
>>> Signed-off-by: Chin Liang See <clsee at altera.com>
>>> Cc: Anatolij Gustschin <agust at denx.de>
>>> Cc: Albert Aribaud <albert.u.boot at aribaud.net>
>>> Cc: Heiko Schocher <hs at denx.de>
>>> Cc: Tom Rini <trini at ti.com>
>>> ---
>>> Changes for v3
>>> - Split to 2 series patch
>>> Changes for v2
>>> - Enable this driver at socfpga_cyclone5 board
>>> ---
>>>  .../include/asm/arch-socfpga/socfpga_base_addrs.h  |    1 +
>>>  include/configs/socfpga_cyclone5.h                 |   13 +++++++++++++
>>>  2 files changed, 14 insertions(+)
>>>
>>> diff --git a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
>>> index 20f12e0..5f73824 100644
>>> --- a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
>>> +++ b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
>>> @@ -11,6 +11,7 @@
>>>  #define SOCFPGA_UART0_ADDRESS 0xffc02000
>>>  #define SOCFPGA_UART1_ADDRESS 0xffc03000
>>>  #define SOCFPGA_OSC1TIMER0_ADDRESS 0xffd00000
>>> +#define SOCFPGA_L4WD0_ADDRESS 0xffd02000
>>>  #define SOCFPGA_CLKMGR_ADDRESS 0xffd04000
>>>  #define SOCFPGA_RSTMGR_ADDRESS 0xffd05000
>>>  #define SOCFPGA_SYSMGR_ADDRESS 0xffd08000
>>> diff --git a/include/configs/socfpga_cyclone5.h b/include/configs/socfpga_cyclone5.h
>>> index fc921ee..1b78ccb 100644
>>> --- a/include/configs/socfpga_cyclone5.h
>>> +++ b/include/configs/socfpga_cyclone5.h
>>> @@ -207,6 +207,16 @@
>>>  #define CONFIG_ENV_IS_NOWHERE
>>>  
>>>  /*
>>> + * L4 Watchdog
>>> + */
>>
>> Why multiline comment here?
> 
> Oh its just for easy reading.
> 
>>
>>> +#define CONFIG_HW_WATCHDOG
>>> +#define CONFIG_HW_WATCHDOG_TIMEOUT_MS	2000
>>> +#define CONFIG_DESIGNWARE_WATCHDOG
>>> +#define CONFIG_DW_WDT_BASE		SOCFPGA_L4WD0_ADDRESS
>>
>> Why not just use SOCFPGA_L4WD0_ADDRESS directly?
> 
> Nope, cause this driver might be used by other platform.

ok It means that SOCFPGA_L4WD0_ADDRESS is system controller right?

Thanks,
Michal

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Microblaze cpu - http://www.monstr.eu/fdt/
Maintainer of Linux kernel - Xilinx Zynq ARM architecture
Microblaze U-BOOT custodian and responsible for u-boot arm zynq platform


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