0006-wr-switch-sam9m10g45ek-more-relaxed-nand-timings.patch 1.39 KB
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From bfb2592942a4e490cf8b6530dfbf16ece33d5767 Mon Sep 17 00:00:00 2001
From: Alessandro Rubini <rubini@gnudd.com>
Date: Mon, 28 Jul 2014 15:20:59 +0200
Subject: [PATCH 6/8] wr-switch (sam9m10g45ek): more relaxed nand timings

6
Update to 3.16.38
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=================
This patch has been ported from 2.6.39.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
---
 arch/arm/mach-at91/board-sam9m10g45ek.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-at91/board-sam9m10g45ek.c b/arch/arm/mach-at91/board-sam9m10g45ek.c
index ebd8ebd..5686a87 100644
--- a/arch/arm/mach-at91/board-sam9m10g45ek.c
+++ b/arch/arm/mach-at91/board-sam9m10g45ek.c
@@ -187,21 +187,21 @@ static struct atmel_nand_data __initdata ek_nand_data = {
 };
 
 static struct sam9_smc_config __initdata ek_nand_smc_config = {
-	.ncs_read_setup		= 0,
-	.nrd_setup		= 2,
-	.ncs_write_setup	= 0,
-	.nwe_setup		= 2,
+	.ncs_read_setup		= 2,
+	.nrd_setup		= 4,
+	.ncs_write_setup	= 2,
+	.nwe_setup		= 4,
 
 	.ncs_read_pulse		= 4,
 	.nrd_pulse		= 4,
 	.ncs_write_pulse	= 4,
 	.nwe_pulse		= 4,
 
-	.read_cycle		= 7,
-	.write_cycle		= 7,
+	.read_cycle		= 12,
+	.write_cycle		= 12,
 
 	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
-	.tdf_cycles		= 3,
+	.tdf_cycles		= 4,
 };
 
 static void __init ek_add_device_nand(void)
-- 
2.7.4