mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 05:30:37 +02:00
fc54b9bf15
(stable-branch of Openmoko) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13613 3c298f89-4303-0410-b956-a3cf2f4a3e73
41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
From e144bf41b8674bce731e1afebcd04030a85b4a5b Mon Sep 17 00:00:00 2001
|
|
From: Harald Welte <laforge@openmoko.org>
|
|
Date: Tue, 21 Oct 2008 08:13:09 +0100
|
|
Subject: [PATCH] GTA02: Improve NAND timings
|
|
|
|
Rather than using conservative default timings for the NAND flash,
|
|
use the timings as specified in the S3C2442B MCP data sheet.
|
|
|
|
Signed-off-by: Harald Welte <laforge@openmoko.org>
|
|
---
|
|
arch/arm/mach-s3c2440/mach-gta02.c | 10 +++++-----
|
|
1 files changed, 5 insertions(+), 5 deletions(-)
|
|
|
|
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
|
|
index 1a9d823..b1aa95b 100644
|
|
--- a/arch/arm/mach-s3c2440/mach-gta02.c
|
|
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
|
|
@@ -872,14 +872,14 @@ static struct s3c2410_nand_set gta02_nand_sets[] = {
|
|
},
|
|
};
|
|
|
|
-/* choose a set of timings which should suit most 512Mbit
|
|
- * chips and beyond.
|
|
+/* choose a set of timings derived from S3C@2442B MCP54
|
|
+ * data sheet (K5D2G13ACM-D075 MCP Memory)
|
|
*/
|
|
|
|
static struct s3c2410_platform_nand gta02_nand_info = {
|
|
- .tacls = 20,
|
|
- .twrph0 = 60,
|
|
- .twrph1 = 20,
|
|
+ .tacls = 0,
|
|
+ .twrph0 = 25,
|
|
+ .twrph1 = 15,
|
|
.nr_sets = ARRAY_SIZE(gta02_nand_sets),
|
|
.sets = gta02_nand_sets,
|
|
.software_ecc = 1,
|
|
--
|
|
1.5.6.5
|
|
|