>From 18fc2304f7e779b6a617595db1b465bdf38f330c Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Thu, 9 Dec 2010 11:22:50 +0200
Subject: [PATCH 2/2] OMAP2/3: OneNAND: add 104MHz support
Add GPMC timings for 104MHz OneNAND.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
arch/arm/mach-omap2/gpmc-onenand.c | 9 +++++++++
drivers/mtd/onenand/omap2.c | 3 +++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 1db606c..3a7d25f 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -173,6 +173,15 @@ static int omap2_onenand_set_sync_mode(struct omap_onenand_platform_data *cfg,
}
switch (freq) {
+ case 104:
+ min_gpmc_clk_period = 9600; /* 104 MHz */
+ t_ces = 3;
+ t_avds = 4;
+ t_avdh = 2;
+ t_ach = 3;
+ t_aavdh = 6;
+ t_rdyo = 9;
+ break;
case 83:
min_gpmc_clk_period = 12000; /* 83 MHz */
t_ces = 5;
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 9f322f1..d0894ca 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -721,6 +721,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
case 3:
c->freq = 83;
break;
+ case 4:
+ c->freq = 104;
+ break;
}
#ifdef CONFIG_MTD_PARTITIONS
--
1.7.0.4
--
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