[PATCH] ARM: LPC32XX: Update PHY3250 MTD partition info

[H Hartley Sweeten]

On Thursday, April 15, 2010 5:18 PM, Kevin Wells wrote:
> Hi Ben,
>
> Thanks for posting these. The MTD support is currently
> only available on our GIT server, although we plan on
> getting the MTD patches into the mtd subtree soon..
>
>> Adding the two other partitions of the phycore3250's nand flash:
>> u-boot and the u-boot environment partitions. The former can be useful
>> if you are feeling adventurous and would like to upgrade u-boot. The
>> later is very useful for userspace utilities like fw_setenv which can
>> be used to modify the bootargs for the next reboot or insert many other
>> useful scripts.
>> 
>> In addition, adding these partitions brings the mtdblock numbers back
>> to what they were with the 2.6.27.8 release of the linux kernel shipped
>> with the phycore3250 evm.
>> 
>> Signed-off-by: Ben Gardiner <bengardiner at nanometrics.ca>
>> ---
>>  arch/arm/mach-lpc32xx/phy3250.c |   10 ++++++++++
>>  1 files changed, 10 insertions(+), 0 deletions(-)
>> 
>> diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-
>> lpc32xx/phy3250.c
>> index b908d17..2672b63 100644
>> --- a/arch/arm/mach-lpc32xx/phy3250.c
>> +++ b/arch/arm/mach-lpc32xx/phy3250.c
>> @@ -345,6 +345,16 @@ static int nandwp_enable(int enable)
>>  #define BLK_SIZE (512 * 32)
>>  static struct mtd_partition __initdata phy3250_nand_partition[] = {
>>  	{
>> +		.name	= "phy3250-uboot",
>> +		.offset	= 0,
>> +		.size	= (BLK_SIZE * 90)
>> +	},
>> +	{
>> +		.name	= "phy3250-ubt-env",
>> +		.offset	= (BLK_SIZE * 90),
>> +		.size	= (BLK_SIZE * 10)
>> +	},
>> +	{
>>  		.name	= "phy3250-kernel",
>>  		.offset	= (BLK_SIZE * 100),
>>  		.size	= (BLK_SIZE * 256)
>
> This partitioning scheme isn't set it stone yet. We'll look at it
> again once we get those patches up for review.

The last two offsets could just be:

	.offset	= MTDPART_OFS_APPEND,

That way then automatically align to the next block offset.  It's
cleaner and will make changing the partitioning scheme easier.

Regards,
Hartley