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mirror of https://git.yoctoproject.org/meta-ti synced 2026-06-04 18:00:36 +00:00

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>
This commit is contained in:
Koen Kooi
2012-02-13 14:46:34 +01:00
committed by Denys Dmytriyenko
parent b43e9fc0e1
commit c5f5ead491
2 changed files with 32 additions and 1 deletions
@@ -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
+2 -1
View 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"