u-boot 2011.09: add patch to support 'cold' AM335x silicon

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/recipes-bsp/u-boot/u-boot/2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch b/recipes-bsp/u-boot/u-boot/2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch
new file mode 100644
index 00000000..4563a2ce
--- /dev/null
+++ b/recipes-bsp/u-boot/u-boot/2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch
@@ -0,0 +1,30 @@
+From 7a3b3b04b1aed6a649d99396f914ec042968f924 Mon Sep 17 00:00:00 2001
+From: Chase Maupin <Chase.Maupin@ti.com>
+Date: Thu, 9 Feb 2012 13:09:27 -0600
+Subject: [PATCH] ddr_defs: change DDR timings for 15x15 EVM
+
+* For cold silicon the DDR timings need to be relaxed in order for
+  the device to boot with DDR at 266MHz
+* Fix proposed by James Doublesin
+
+Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
+---
+ arch/arm/include/asm/arch-ti81xx/ddr_defs.h |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/arch/arm/include/asm/arch-ti81xx/ddr_defs.h b/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
+index 6c4b422..0b7ffe7 100644
+--- a/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
++++ b/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
+@@ -338,7 +338,7 @@
+ #define DDR2_RD_DQS            0x40
+ #define DDR2_PHY_FIFO_WE       0x56
+ #else
+-#define EMIF_READ_LATENCY      0x04
++#define EMIF_READ_LATENCY      0x05
+ #define EMIF_TIM1              0x0666B3D6
+ #define EMIF_TIM2              0x143731DA
+ #define        EMIF_TIM3               0x00000347
+-- 
+1.7.0.4
+