From: Harninder Rai <harninder.rai@freescale.com>
Date: Wed, 13 Oct 2010 12:00:56 +0000 (+0530)
Subject: powerpc/85xx: add cache-sram support
X-Git-Tag: v2.6.37-rc1~180^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6db92cc9d07db9f713da8554b4bcdfc8e54ad386;p=pandora-kernel.git

powerpc/85xx: add cache-sram support

It adds cache-sram support in P1/P2 QorIQ platforms as under:

* A small abstraction over powerpc's remote heap allocator
* Exports mpc85xx_cache_sram_alloc()/free() APIs
* Supports only one contiguous SRAM window
* Drivers can do the following in Kconfig to use these APIs
    "select FSL_85XX_CACHE_SRAM if MPC85xx"
* Required SRAM size and the offset where SRAM should be mapped must be
  provided at kernel command line as :
    cache-sram-size=<value>
    cache-sram-offset=<offset>

Signed-off-by: Harninder Rai <harninder.rai@freescale.com>
Signed-off-by: Vivek Mahajan <vivek.mahajan@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---

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