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RE: Intel strata flash -redboot
On Thursday, November 06, 2008 11:34 PM, Andrew Lunn wrote:
> On Fri, Nov 07, 2008 at 09:33:08AM +0530, Praveen VS wrote:
>>
>>
>> We have a custom board based on imx27 & we want to boot the kernel
>> from flash. But the flash we have is Intel Strata P30 (
>> JS48F4400P0VB00S). We are modifying the redboot which comes with
>> imx27ADS reference board. We want to know which file we need to
modify?
>> Any body has successfully able to boot kernel from this flash using
>> redboot on any other board
>
> I think the P30 is a bit odd. Take a look at:
>
> http://sourceware.org/ml/ecos-discuss/2007-04/msg00178.html
I'm using the same patch on a ep93xx based board using P30 flash. Works
great for me.
The only problem I found in the patch is in flash_hwr_init() the first:
+ __strata_info.base1 = (void *)CYGNUM_FLASH_BASE;
Should be removed. The __strata.info is only available #ifndef
CYGOPT_FLASH_IS_BOOTBLOCK. The .base1 is actually set correctly a bit
later in the code.
Regards,
Hartley