From: Adrian Hunter <adrian.hunter@nokia.com>
Date: Thu, 9 Dec 2010 09:22:50 +0000 (+0200)
Subject: OMAP2/3: OneNAND: add 104MHz support
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4931445b94f49672028b81ace9d4eee8ddf19ab2;p=linux-beck.git

OMAP2/3: OneNAND: add 104MHz support

Add GPMC timings for 104MHz OneNAND.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---

diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 1db606ca007e..3a7d25fb00ef 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 9f322f1a7f22..d0894ca7798b 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