[PATCH][v2] powerpc/fsl: 85xx: add cache-sram support

[Kumar Gala]

On Oct 13, 2010, at 7:00 AM, <harninder.rai at freescale.com> <harninder.rai at freescale.com> wrote:

> From: Harninder Rai <harninder.rai at freescale.com>
> 
> 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 at freescale.com>
> Signed-off-by: Vivek Mahajan <vivek.mahajan at freescale.com>
> ---
> incorporated review comments from Philipp
> 
> arch/powerpc/include/asm/fsl_85xx_cache_sram.h |   48 +++++
> arch/powerpc/sysdev/Makefile                   |    1 +
> arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h      |  101 +++++++++++
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c      |  159 ++++++++++++++++
> arch/powerpc/sysdev/fsl_85xx_l2ctlr.c          |  231 ++++++++++++++++++++++++
> 5 files changed, 540 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/include/asm/fsl_85xx_cache_sram.h
> create mode 100644 arch/powerpc/sysdev/fsl_85xx_cache_ctlr.h
> create mode 100644 arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> create mode 100644 arch/powerpc/sysdev/fsl_85xx_l2ctlr.c

applied to next

- k