[U-Boot] [PATCH] powerpc/p1022ds: Add support for NAND and NAND boot using SPL

McClintock Matthew-B29882
2013-02-18T19:24:44Z

On Mon, Feb 18, 2013 at 1:18 PM, Scott Wood <scottwood@freescale.com> wrote:
> On 02/18/2013 01:07:53 PM, Matthew McClintock wrote:
>>
>> @@ -118,6 +172,7 @@
>> * Localbus non-cacheable
>> * 0xe000_0000 0xe80f_ffff Promjet/free 128M non-cacheable
>> * 0xe800_0000 0xefff_ffff FLASH 128M non-cacheable
>> + * 0xff80_0000 0xff80_1fff NAND 8K non-cacheable
>> * 0xffdf_0000 0xffdf_7fff PIXIS 32K non-cacheable
>> TLB0
>> * 0xffd0_0000 0xffd0_3fff L1 for stack 16K Cacheable TLB0
>> * 0xffe0_0000 0xffef_ffff CCSR 1M non-cacheable
>
>
> This says 8K...
>
>
>> +/* NAND flash config */
>> +#define CONFIG_SYS_NAND_BR_PRELIM
>> (BR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
>> + | (2<<BR_DECC_SHIFT) /* Use HW ECC */ \
>> + | BR_PS_8 /* Port Size = 8
>> bit */ \
>> + | BR_MS_FCM /* MSEL = FCM */ \
>> + | BR_V) /* valid */
>> +#define CONFIG_SYS_NAND_OR_PRELIM (OR_AM_256KB /* length
>> 256K */ \
>> + | OR_FCM_PGS /* Large Page*/ \
>> + | OR_FCM_CSCT \
>> + | OR_FCM_CST \
>> + | OR_FCM_CHT \
>> + | OR_FCM_SCY_1 \
>> + | OR_FCM_TRLX \
>> + | OR_FCM_EHTR)
>
>
> ...this says 256K.
>
> IIRC the minimum for localbus is 32K.

And the law is 8K and TLB is 16K - should I go with 32K for
everything? However, I don't think 32K TLB works on this part.

-M