[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
More information about the U-Boot
mailing list