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>
git-mirror · Dec 21, 2010 · 4931445 · 4931445
1 parent a3551f5
commit 4931445
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diff --git 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
@@ -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
-Original file line number
+Diff line change
@@ Expand Up @@
     	case 3:
     		c->freq = 83;
     		break;
+    	case 4:
+    		c->freq = 104;
+    		break;
     	}
     #ifdef CONFIG_MTD_PARTITIONS
@@ Expand Down @@