[U-Boot] [u-boot-release] [PATCH 3/3] board/c29xpcie: Add support of 8K page size NAND flash

[Prabhakar Kushwaha]

On 09/25/2013 08:09 AM, Liu Shengzhou-B36685 wrote:
>> -----Original Message-----
>> From: u-boot-release-bounces at linux.freescale.net [mailto:u-boot-release-
>> bounces at linux.freescale.net] On Behalf Of Kushwaha Prabhakar-B32579
>> Sent: Tuesday, September 24, 2013 4:17 PM
>> To: u-boot at lists.denx.de
>> Cc: Wood Scott-B07421; Kushwaha Prabhakar-B32579
>> Subject: [u-boot-release] [PATCH 3/3] board/c29xpcie: Add support of 8K page
>> size NAND flash
>>
>> Defines constants required to support 8K page size NAND flash.
>>
>> Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
>> ---
>>   Based upon git://git.denx.de/u-boot.git branch master
>>
>>   include/configs/C29XPCIE.h |   10 ++++++----
>>   1 file changed, 6 insertions(+), 4 deletions(-)
>>
>> diff --git a/include/configs/C29XPCIE.h b/include/configs/C29XPCIE.h index
>> 83779ef..6a1e145 100644
>> --- a/include/configs/C29XPCIE.h
>> +++ b/include/configs/C29XPCIE.h
>> @@ -189,13 +189,14 @@
>>   				| CSPR_MSEL_NAND \
>>   				| CSPR_V)
>>   #define CONFIG_SYS_NAND_AMASK	IFC_AMASK(64*1024)
>> +#define CONFIG_SYS_NAND_OOBSIZE	0x00000280	/* 640b */
>>   #define CONFIG_SYS_NAND_CSOR	(CSOR_NAND_ECC_ENC_EN	/* ECC on encode */ \
>>   				| CSOR_NAND_ECC_DEC_EN	/* ECC on decode */ \
>>   				| CSOR_NAND_ECC_MODE_4	/* 4-bit ECC */ \
>> -				| CSOR_NAND_RAL_2	/* RAL = 2 Bytes */ \
>> -				| CSOR_NAND_PGS_2K	/* Page Size = 2k */ \
>> -				| CSOR_NAND_SPRZ_64	/* Spare size = 64 */ \
>> -				| CSOR_NAND_PB(64))	/* 64 Pages Per Block */
>> +				| CSOR_NAND_RAL_3	/* RAL = 3 Bytes */ \
>> +				| CSOR_NAND_PGS_8K	/* Page Size = 8K */ \
>> +				| CSOR_NAND_SPRZ_CSOR_EXT /*oob in csor_ext*/\
>> +				| CSOR_NAND_PB(128))	/*128 Pages Per Block*/
>>   #define CONFIG_SYS_NAND_FTIM0	(FTIM0_NAND_TCCST(0x01) | \
>>   				FTIM0_NAND_TWP(0x0c)   | \
>>   				FTIM0_NAND_TWCHT(0x08) | \
> Is it possible to do it with ONFI detection automatically instead of defining manually for different devices? such as what Linux driver does.
>

current mtd/nand/nand_base.c does in same way. We have to define 
CONFIG_SYS_NAND_ONFI_DETECTION.
Once it is defined, it will check for normal flash detection followed by 
ONFI.  Similar way as Linux doing.

do you have some other requirement.

Regards,
Prabhakar