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authorDave Liu <daveliu@freescale.com>2009-12-16 10:24:38 -0600
committerKumar Gala <galak@kernel.crashing.org>2010-01-05 13:49:27 -0600
commit1aa3d08a0244506b94031522e54fe06ee7a5ae0e (patch)
tree3ee7b5c3cd7350ce189163f6d96a69c059e12c06 /include/asm-ppc/fsl_ddr_sdram.h
parentbdc9f7b5eab8d5edd8a8cc5d80ef080836b00e85 (diff)
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fsl-ddr: add override for the Rtt_Wr
Different boards may require different settings of Dynamic ODT (Rtt_Wr). We provide a means to allow the board specific code to provide its own value of Rtt_Wr. Signed-off-by: Dave Liu <daveliu@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'include/asm-ppc/fsl_ddr_sdram.h')
-rw-r--r--include/asm-ppc/fsl_ddr_sdram.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ppc/fsl_ddr_sdram.h b/include/asm-ppc/fsl_ddr_sdram.h
index 15ab675..3216a50 100644
--- a/include/asm-ppc/fsl_ddr_sdram.h
+++ b/include/asm-ppc/fsl_ddr_sdram.h
@@ -192,6 +192,7 @@ typedef struct memctl_options_s {
/* Rtt impedance */
unsigned int rtt_override; /* rtt_override enable */
unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */
+ unsigned int rtt_wr_override_value; /* this is Rtt_WR for DDR3 */
/* Automatic self refresh */
unsigned int auto_self_refresh_en;