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Diffstat (limited to 'arch/arm/mach-omap2/gpmc-nand.c')
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 662c7fd633c..174caecc318 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -65,6 +65,22 @@ static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
return 1;
}
+/* This function will go away once the device-tree convertion is complete */
+static void gpmc_set_legacy(struct omap_nand_platform_data *gpmc_nand_data,
+ struct gpmc_settings *s)
+{
+ /* Enable RD PIN Monitoring Reg */
+ if (gpmc_nand_data->dev_ready) {
+ s->wait_on_read = true;
+ s->wait_on_write = true;
+ }
+
+ if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16)
+ s->device_width = GPMC_DEVWIDTH_16BIT;
+ else
+ s->device_width = GPMC_DEVWIDTH_8BIT;
+}
+
int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
struct gpmc_timings *gpmc_t)
{
@@ -98,32 +114,22 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
dev_err(dev, "Unable to set gpmc timings: %d\n", err);
return err;
}
+ }
- if (gpmc_nand_data->of_node) {
- gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
- } else {
- /* Enable RD PIN Monitoring Reg */
- if (gpmc_nand_data->dev_ready) {
- s.wait_on_read = true;
- s.wait_on_write = true;
- }
- }
-
- s.device_nand = true;
+ if (gpmc_nand_data->of_node)
+ gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
+ else
+ gpmc_set_legacy(gpmc_nand_data, &s);
- if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16)
- s.device_width = GPMC_DEVWIDTH_16BIT;
- else
- s.device_width = GPMC_DEVWIDTH_8BIT;
+ s.device_nand = true;
- err = gpmc_cs_program_settings(gpmc_nand_data->cs, &s);
- if (err < 0)
- goto out_free_cs;
+ err = gpmc_cs_program_settings(gpmc_nand_data->cs, &s);
+ if (err < 0)
+ goto out_free_cs;
- err = gpmc_configure(GPMC_CONFIG_WP, 0);
- if (err < 0)
- goto out_free_cs;
- }
+ err = gpmc_configure(GPMC_CONFIG_WP, 0);
+ if (err < 0)
+ goto out_free_cs;
gpmc_update_nand_reg(&gpmc_nand_data->reg, gpmc_nand_data->cs);