u-boot 2011.09: add patch to support 'cold' AM335x silicon
authorKoen Kooi <koen@dominion.thruhere.net>
Mon, 13 Feb 2012 13:46:34 +0000 (14:46 +0100)
committerDenys Dmytriyenko <denys@ti.com>
Mon, 27 Feb 2012 14:04:55 +0000 (09:04 -0500)
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
recipes-bsp/u-boot/u-boot/2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch [new file with mode: 0644]
recipes-bsp/u-boot/u-boot_2011.10rc.bb

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 (file)
index 0000000..4563a2c
--- /dev/null
@@ -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
+
index 74597f62f7ecb06b9d33098efbab131e8c1f71e2..0102d15eb6952f2799b08731887eff0228f97202 100644 (file)
@@ -6,7 +6,7 @@ COMPATIBLE_MACHINE = "(ti33x)"
 DEFAULT_PREFERENCE_ti33x = "99"
 
 PV = "2011.09+git"
-PR = "r25"
+PR = "r26"
 
 # SPL build
 UBOOT_BINARY = "u-boot.img"
@@ -23,6 +23,7 @@ SRC_URI = "git://arago-project.org/git/projects/u-boot-am33x.git;protocol=git;br
            file://2011.09git/0007-am335x_evm-switch-to-ext4.patch \
            file://2011.09git/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch \
            file://2011.09git/0009-am335x-evm-enable-i2c2-pinmux-for-beaglebone.patch \
+           file://2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch \
           "
 
 SRCREV = "f63b270e47f62f4d1a05b2001357e215966c6f5a"