[U-Boot] [PATCH] ppc: Unlock cache-as-ram in a consistent manner

[Scott Wood]

On Fri, Jul 24, 2009 at 11:40:09AM -0500, Kim Phillips wrote:
> with this patch, this mpc8313 board does this:
> 
> U-Boot 2009.06-00524-g28958b8 (Jul 23 2009 - 18:33:11) MPC83XX
> 
> Reset Status:
> 
> CPU:   e300c3, MPC8313E, Rev: 1.0 at 333.333 MHz, CSB: 166.667 MHz
> Board: Freescale MPC8313ERDB
> I2C:   ready
> DRAM:  128 MB
> FLASH: ## Unknown FLASH on Bank 1 - Size = 0x00000000 = 0 MB
> *** failed ***
> ### ERROR ### Please RESET the board ###
> 
> and when reverted, it boots normally, so the board wants to agree that
> this patch is reverted.

Flash is mapped cacheable on 8313erdb (and some other 83xx boards) -- it
shares a BAT with the locked cache area.

-Scott