[meta-ti] Koen Kooi : u-boot 2011.09: add patch to support 'cold' AM335x silicon

Arago Project git git at arago-project.org
Mon Feb 27 06:12:29 PST 2012


Module: meta-ti
Branch: master
Commit: c5f5ead49160ebf82546ea913035ec6d8fc96654
URL:    http://arago-project.org/git/meta-ti.git?a=commit;h=c5f5ead49160ebf82546ea913035ec6d8fc96654

Author: Koen Kooi <koen at dominion.thruhere.net>
Date:   Mon Feb 13 14:46:34 2012 +0100

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

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

---

 ...ddr_defs-change-DDR-timings-for-15x15-EVM.patch |   30 ++++++++++++++++++++
 recipes-bsp/u-boot/u-boot_2011.10rc.bb             |    3 +-
 2 files changed, 32 insertions(+), 1 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 0000000..4563a2c
--- /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 at 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 at 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
+
diff --git a/recipes-bsp/u-boot/u-boot_2011.10rc.bb b/recipes-bsp/u-boot/u-boot_2011.10rc.bb
index 74597f6..0102d15 100644
--- a/recipes-bsp/u-boot/u-boot_2011.10rc.bb
+++ b/recipes-bsp/u-boot/u-boot_2011.10rc.bb
@@ -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"




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