[PATCHv5 2/5] arm: socfpga: Enable OCRAM ECC on startup.

Dinh Nguyen dinguyen at opensource.altera.com
Tue Nov 11 23:33:06 PST 2014



On 11/11/14, 6:14 PM, tthayer at opensource.altera.com wrote:
> From: Thor Thayer <tthayer at opensource.altera.com>
> 
> This patch enables the ECC for On-Chip RAM on machine
> startup.  The ECC has to be enabled before data is
> is stored in memory otherwise the ECC will fail on
> reads.
> 
> Signed-off-by: Thor Thayer <tthayer at opensource.altera.com>
> ---
> v2: Split OCRAM ECC portion separately. Addition of iounmap()
> and reorganization of gen_pool_free. Remove defconfig from patch.
> 
> v3/4: No change
> 
> v5: Remove ocram.h, use io.h instead of clk-provider.h
>     Check prop in correct place. Add ECC EN defines.
> ---
>  arch/arm/mach-socfpga/Makefile  |    1 +
>  arch/arm/mach-socfpga/core.h    |    1 +
>  arch/arm/mach-socfpga/ocram.c   |   90 +++++++++++++++++++++++++++++++++++++++
>  arch/arm/mach-socfpga/socfpga.c |    9 ++++
>  4 files changed, 101 insertions(+)
>  create mode 100644 arch/arm/mach-socfpga/ocram.c
> 

Acked-by: Dinh Nguyen <dinguyen at opensource.altera.com>




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