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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>
Adrian Hunter 14 жил өмнө
parent
commit
4931445b94

+ 9 - 0
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;

+ 3 - 0
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