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* [PATCH] sama5d3x: fix AT91_SMC_CS offset stride
@ 2014-05-29  9:55 Matteo Fortini
  2014-05-29 12:11 ` Jean-Christophe PLAGNIOL-VILLARD
  0 siblings, 1 reply; 5+ messages in thread
From: Matteo Fortini @ 2014-05-29  9:55 UTC (permalink / raw)
  To: barebox

Acked-by: Bo Shen <voice.shen@atmel.com>
---
 arch/arm/mach-at91/sam9_smc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
index a137da4..65c4558 100644
--- a/arch/arm/mach-at91/sam9_smc.c
+++ b/arch/arm/mach-at91/sam9_smc.c
@@ -16,7 +16,11 @@
 
 #include <mach/at91sam9_smc.h>
 
+#ifdef CONFIG_ARCH_SAMA5D3
+#define AT91_SMC_CS(id, n)	(smc_base_addr[id] + ((n) * 0x14))
+#else
 #define AT91_SMC_CS(id, n)	(smc_base_addr[id] + ((n) * 0x10))
+#endif
 
 static void __iomem *smc_base_addr[2];
 
-- 
2.0.0.rc2


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^ permalink raw reply	[flat|nested] 5+ messages in thread
* [PATCH] SAMA5D3X FIX AT91_SMC_CS offset stride
@ 2014-05-28 17:16 Matteo Fortini
  2014-05-29  1:31 ` Bo Shen
  0 siblings, 1 reply; 5+ messages in thread
From: Matteo Fortini @ 2014-05-28 17:16 UTC (permalink / raw)
  To: barebox

[-- Attachment #1: Type: text/plain, Size: 290 bytes --]

As stated in section 29.19.32 of SAMA5D3 Series datasheet, to move
from CS(n) to CS(n+1) the stride is 0x14 and not 0x10.

For this reason, I was unable to use the NAND memory on my board (CS
configuration was not applied and the timings were wrong).

This patch fixes the problem.

Matteo

[-- Attachment #2: 0001-sama5d3x-fix-AT91_SMC_CS-offset-stride.patch --]
[-- Type: text/x-patch, Size: 753 bytes --]

From 6c26d7c00005cbf4470017a6d5361a346981bbe5 Mon Sep 17 00:00:00 2001
From: Matteo Fortini <matteo.fortini@gmail.com>
Date: Wed, 28 May 2014 19:00:42 +0200
Subject: [PATCH] sama5d3x: fix AT91_SMC_CS offset stride

---
 arch/arm/mach-at91/sam9_smc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/mach-at91/sam9_smc.c b/arch/arm/mach-at91/sam9_smc.c
index a137da4..65c4558 100644
--- a/arch/arm/mach-at91/sam9_smc.c
+++ b/arch/arm/mach-at91/sam9_smc.c
@@ -16,7 +16,11 @@
 
 #include <mach/at91sam9_smc.h>
 
+#ifdef CONFIG_ARCH_SAMA5D3
+#define AT91_SMC_CS(id, n)	(smc_base_addr[id] + ((n) * 0x14))
+#else
 #define AT91_SMC_CS(id, n)	(smc_base_addr[id] + ((n) * 0x10))
+#endif
 
 static void __iomem *smc_base_addr[2];
 
-- 
2.0.0.rc2


[-- Attachment #3: Type: text/plain, Size: 149 bytes --]

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^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2014-05-30  1:43 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-05-29  9:55 [PATCH] sama5d3x: fix AT91_SMC_CS offset stride Matteo Fortini
2014-05-29 12:11 ` Jean-Christophe PLAGNIOL-VILLARD
2014-05-30  1:43   ` Bo Shen
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2014-05-28 17:16 [PATCH] SAMA5D3X FIX " Matteo Fortini
2014-05-29  1:31 ` Bo Shen

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