[U-Boot] [PATCH] km/arm: set SPI NOR Flash default parameters

Valentin Longchamp valentin.longchamp at keymile.com
Wed Aug 15 17:16:14 CEST 2012


Hi Prafulla,

On 08/14/2012 03:17 PM, Prafulla Wadaskar wrote:
> 
> 
>> -----Original Message-----
>> From: Valentin Longchamp [mailto:valentin.longchamp at keymile.com]
>> Sent: 14 August 2012 17:09
>> To: Prafulla Wadaskar
>> Cc: u-boot at lists.denx.de; Valentin Longchamp; Holger Brunck
>> Subject: [PATCH] km/arm: set SPI NOR Flash default parameters
>>
>> These parameters are used by the the sf probe command that are used by
>> our update script and they therefore need to be set for all of our
>> boards.
>>
>> The timing is the same as for the ENV SPI NOR Flash (since it's the
>> same physical device) and takes the boco2 delay on the bus into
> 
> What is boco2? Is it typo mistake?

No typo mistake. It's the name of a chip developped at Keymile that is the the
SPI bus as well.

> 
>> account.
>>
>> Signed-off-by: Valentin Longchamp <valentin.longchamp at keymile.com>
>> cc: Holger Brunck <holger.brunck at keymile.com>
>> ---
>>  include/configs/km/km_arm.h |    4 ++++
>>  1 files changed, 4 insertions(+), 0 deletions(-)
>>
>> diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h
>> index 2d573e4..055d946 100644
>> --- a/include/configs/km/km_arm.h
>> +++ b/include/configs/km/km_arm.h
>> @@ -57,6 +57,10 @@
>>  #define CONFIG_CMD_SF
>>  #define CONFIG_SOFT_I2C		/* I2C bit-banged	*/
>>
>> +/* SPI NOR Flash default params, used by sf commands */
>> +#define CONFIG_SF_DEFAULT_SPEED		8100000
>> +#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
>> +
>>  #if defined CONFIG_KM_ENV_IS_IN_SPI_NOR
>>  #define CONFIG_ENV_SPI_BUS		0
>>  #define CONFIG_ENV_SPI_CS		0
>> --
> 
> Regards...
> Prafulla . . .
> 


-- 
Valentin Longchamp
Embedded Software Engineer
Hardware and Chip Integration
______________________________________
KEYMILE AG
Schwarzenburgstr. 73
CH-3097 Liebefeld
Phone +41 31 377 1318
Fax   +41 31 377 1212
valentin.longchamp at keymile.com
www.keymile.com
______________________________________
KEYMILE: A Specialist as a Partner


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