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OMAP2/3: OneNAND: add 104MHz support

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Add GPMC timings for 104MHz OneNAND.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adrian Hunter 2010-12-09 11:22:50 +02:00 committed by Tony Lindgren
parent a3551f5b0c
commit 4931445b94
2 changed files with 12 additions and 0 deletions
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9
arch/arm/mach-omap2/gpmc-onenand.c
View File

@ -173,6 +173,15 @@ static int omap2_onenand_set_sync_mode(struct omap_onenand_platform_data *cfg,
} }
switch (freq) { 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: case 83:
min_gpmc_clk_period = 12000; /* 83 MHz */ min_gpmc_clk_period = 12000; /* 83 MHz */
t_ces = 5; t_ces = 5;

3
drivers/mtd/onenand/omap2.c
View File

@ -721,6 +721,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
case 3: case 3:
c->freq = 83; c->freq = 83;
break; break;
case 4:
c->freq = 104;
break;
} }
#ifdef CONFIG_MTD_PARTITIONS #ifdef CONFIG_MTD_PARTITIONS