omap3 nand: cleanup virtual address usages
This patch removes direct reference of gpmc address from generic nand platform code.
Nand platform code now uses wrapper functions which are implemented in gpmc module.
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index e57fb29..7222096 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 @@
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 @@
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 @@
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);