From 23f9670f1aee936ca468d2d0ddb0f025defde626 Mon Sep 17 00:00:00 2001 From: York Sun Date: Fri, 27 May 2011 13:44:28 +0800 Subject: powerpc/mpc8xxx: Allow override DDR read-to-write turnaround time Add this option to allow boards to override the default read-to-write turnaround time for better performance. Signed-off-by: York Sun --- arch/powerpc/include/asm/fsl_ddr_sdram.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/fsl_ddr_sdram.h b/arch/powerpc/include/asm/fsl_ddr_sdram.h index 1778cc5..bc063ea 100644 --- a/arch/powerpc/include/asm/fsl_ddr_sdram.h +++ b/arch/powerpc/include/asm/fsl_ddr_sdram.h @@ -271,6 +271,9 @@ typedef struct memctl_options_s { unsigned int rcw_2; /* control register 1 */ unsigned int ddr_cdr1; + + unsigned int trwt_override; + unsigned int trwt; /* read-to-write turnaround */ } memctl_options_t; extern phys_size_t fsl_ddr_sdram(void); -- cgit v1.1