[U-Boot] [PATCH 3/8] sbc8548: enable access to second bank of flash

Kumar Gala galak at kernel.crashing.org
Sat Sep 19 19:11:40 CEST 2009


On Sep 18, 2009, at 6:08 PM, Paul Gortmaker wrote:

> The sbc8548 has a 64MB SODIMM flash module off of CS6 that
> previously wasn't enumerated by u-boot.  There were already
> BR6/OR6 settings for it [used by cpu_init_f()] but there
> was no TLB entry and it wasn't in the list of flash banks
> reported to u-boot.
>
> The location of the 64MB flash is "pulled back" 8MB from
> a 64MB boundary, in order to allow address space for the
> 8MB boot flash that is at the end of 32 bit address space.
> This means creating two 4MB TLB entries for the 8MB chunk,
> and then expanding the original boot flash entry to 64MB
> in order to cover the 8MB boot flash and the remainder
> (56MB) of the user flash.
>
> Signed-off-by: Paul Gortmaker <paul.gortmaker at windriver.com>
> ---
> board/sbc8548/tlb.c       |   26 ++++++++++++++++++++++----
> include/configs/sbc8548.h |    7 ++++---
> 2 files changed, 26 insertions(+), 7 deletions(-)

applied to 85xx.

- k


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