lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

omap3 nand: cleanup virtual address usages

Browse Source 
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>
This commit is contained in:
Sukumar Ghorai
2010-07-09 09:14:45 +00:00
committed by Tony Lindgren
parent 948d38e799
commit 2c01946c6b
5 changed files with 62 additions and 205 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
arch/arm/mach-omap2/gpmc-nand.c
View File

@@ -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);