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| author | Sukumar Ghorai <s-ghorai@ti.com> | 2011-01-28 15:42:03 +0530 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2011-02-17 15:32:52 -0800 |
| commit | d5ce2b6592c49935462cba7317fa67fe8ee474ec (patch) | |
| tree | 5dac64a2ee28e08bd730efa2bb28d3f32e12fbca /arch/arm/mach-omap2/gpmc-nand.c | |
| parent | df7ffd317d36d36095c26bb57b3dd405274048e5 (diff) | |
| download | blackbird-op-linux-d5ce2b6592c49935462cba7317fa67fe8ee474ec.tar.gz blackbird-op-linux-d5ce2b6592c49935462cba7317fa67fe8ee474ec.zip | |
omap3630: nand: fix device size to work in polled mode
zoom3 and 3630-sdp having the x16 nand device.
This patch configure gpmc as x16 and select the currect function in driver
for polled mode (without prefetch enable) transfer.
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/gpmc-nand.c')
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-nand.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c index 2bb29c160702..c1791d08ae56 100644 --- a/arch/arm/mach-omap2/gpmc-nand.c +++ b/arch/arm/mach-omap2/gpmc-nand.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/mtd/nand.h> #include <asm/mach/flash.h> @@ -69,8 +70,10 @@ static int omap2_nand_gpmc_retime(void) t.wr_cycle = gpmc_round_ns_to_ticks(gpmc_nand_data->gpmc_t->wr_cycle); /* Configure GPMC */ - gpmc_cs_configure(gpmc_nand_data->cs, - GPMC_CONFIG_DEV_SIZE, gpmc_nand_data->devsize); + if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16) + gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_SIZE, 1); + else + gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_SIZE, 0); gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_DEV_TYPE, GPMC_DEVICETYPE_NAND); err = gpmc_cs_set_timings(gpmc_nand_data->cs, &t); |
