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authorSukumar Ghorai <s-ghorai@ti.com>2011-01-28 15:42:03 +0530
committerTony Lindgren <tony@atomide.com>2011-02-17 15:32:52 -0800
commitd5ce2b6592c49935462cba7317fa67fe8ee474ec (patch)
tree5dac64a2ee28e08bd730efa2bb28d3f32e12fbca /arch/arm/mach-omap2/gpmc-nand.c
parentdf7ffd317d36d36095c26bb57b3dd405274048e5 (diff)
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.c7
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 2bb29c16070..c1791d08ae5 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);