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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>
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committed by
Denys Dmytriyenko
parent
b43e9fc0e1
commit
c5f5ead491
+30
@@ -0,0 +1,30 @@
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From 7a3b3b04b1aed6a649d99396f914ec042968f924 Mon Sep 17 00:00:00 2001
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From: Chase Maupin <Chase.Maupin@ti.com>
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Date: Thu, 9 Feb 2012 13:09:27 -0600
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Subject: [PATCH] ddr_defs: change DDR timings for 15x15 EVM
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* For cold silicon the DDR timings need to be relaxed in order for
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the device to boot with DDR at 266MHz
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* Fix proposed by James Doublesin
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Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
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---
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arch/arm/include/asm/arch-ti81xx/ddr_defs.h | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/arch/arm/include/asm/arch-ti81xx/ddr_defs.h b/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
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index 6c4b422..0b7ffe7 100644
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--- a/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
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+++ b/arch/arm/include/asm/arch-ti81xx/ddr_defs.h
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@@ -338,7 +338,7 @@
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#define DDR2_RD_DQS 0x40
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#define DDR2_PHY_FIFO_WE 0x56
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#else
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-#define EMIF_READ_LATENCY 0x04
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+#define EMIF_READ_LATENCY 0x05
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#define EMIF_TIM1 0x0666B3D6
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#define EMIF_TIM2 0x143731DA
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#define EMIF_TIM3 0x00000347
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--
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1.7.0.4
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@@ -6,7 +6,7 @@ COMPATIBLE_MACHINE = "(ti33x)"
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DEFAULT_PREFERENCE_ti33x = "99"
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PV = "2011.09+git"
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PR = "r25"
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PR = "r26"
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# SPL build
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UBOOT_BINARY = "u-boot.img"
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@@ -23,6 +23,7 @@ SRC_URI = "git://arago-project.org/git/projects/u-boot-am33x.git;protocol=git;br
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file://2011.09git/0007-am335x_evm-switch-to-ext4.patch \
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file://2011.09git/0008-HACK-am335x-evm-turn-d-cache-on-globally-turn-it-off.patch \
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file://2011.09git/0009-am335x-evm-enable-i2c2-pinmux-for-beaglebone.patch \
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file://2011.09git/0001-ddr_defs-change-DDR-timings-for-15x15-EVM.patch \
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"
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SRCREV = "f63b270e47f62f4d1a05b2001357e215966c6f5a"
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