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Diffstat (limited to 'arch/arm/mach-omap2/gpmc-nand.c')
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index e57fb29ff85..72220960192 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -19,8 +19,6 @@
#include <plat/board.h>
#include <plat/gpmc.h>
-#define WR_RD_PIN_MONITORING 0x00600000
-
static struct omap_nand_platform_data *gpmc_nand_data;
static struct resource gpmc_nand_resource = {
@@ -71,10 +69,10 @@ 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_write_reg(gpmc_nand_data->cs, GPMC_CS_CONFIG1,
- GPMC_CONFIG1_DEVICESIZE(gpmc_nand_data->devsize) |
- GPMC_CONFIG1_DEVICETYPE_NAND);
-
+ gpmc_cs_configure(gpmc_nand_data->cs,
+ GPMC_CONFIG_DEV_SIZE, gpmc_nand_data->devsize);
+ gpmc_cs_configure(gpmc_nand_data->cs,
+ GPMC_CONFIG_DEV_TYPE, GPMC_DEVICETYPE_NAND);
err = gpmc_cs_set_timings(gpmc_nand_data->cs, &t);
if (err)
return err;
@@ -82,27 +80,13 @@ static int omap2_nand_gpmc_retime(void)
return 0;
}
-static int gpmc_nand_setup(void)
-{
- struct device *dev = &gpmc_nand_device.dev;
-
- /* Set timings in GPMC */
- if (omap2_nand_gpmc_retime() < 0) {
- dev_err(dev, "Unable to set gpmc timings\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
int __init gpmc_nand_init(struct omap_nand_platform_data *_nand_data)
{
- unsigned int val;
int err = 0;
struct device *dev = &gpmc_nand_device.dev;
gpmc_nand_data = _nand_data;
- gpmc_nand_data->nand_setup = gpmc_nand_setup;
+ gpmc_nand_data->nand_setup = omap2_nand_gpmc_retime;
gpmc_nand_device.dev.platform_data = gpmc_nand_data;
err = gpmc_cs_request(gpmc_nand_data->cs, NAND_IO_SIZE,
@@ -112,19 +96,16 @@ int __init gpmc_nand_init(struct omap_nand_platform_data *_nand_data)
return err;
}
- err = gpmc_nand_setup();
+ /* Set timings in GPMC */
+ err = omap2_nand_gpmc_retime();
if (err < 0) {
- dev_err(dev, "NAND platform setup failed: %d\n", err);
+ dev_err(dev, "Unable to set gpmc timings: %d\n", err);
return err;
}
/* Enable RD PIN Monitoring Reg */
if (gpmc_nand_data->dev_ready) {
- val = gpmc_cs_read_reg(gpmc_nand_data->cs,
- GPMC_CS_CONFIG1);
- val |= WR_RD_PIN_MONITORING;
- gpmc_cs_write_reg(gpmc_nand_data->cs,
- GPMC_CS_CONFIG1, val);
+ gpmc_cs_configure(gpmc_nand_data->cs, GPMC_CONFIG_RDY_BSY, 1);
}
err = platform_device_register(&gpmc_nand_device);