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authorJon Hunter <jon-hunter@ti.com>2013-02-25 17:36:47 (GMT)
committerJon Hunter <jon-hunter@ti.com>2013-04-04 01:13:38 (GMT)
commitacc79980c92ca9e8a39115b60ca832718a8156df (patch)
treed08fb7cd46fa7e7a369e46547e7210ba4f74a809 /arch
parentcdd6928c589a2dcf084bd62fa5a2b7db1516187b (diff)
downloadlinux-fsl-qoriq-acc79980c92ca9e8a39115b60ca832718a8156df.tar.xz
ARM: OMAP2+: Convert NAND to retrieve GPMC settings from DT
When booting with device-tree, retrieve GPMC settings for NAND from the device-tree blob. This will allow us to remove all static settings stored in the gpmc-nand.c in the future once the migration to device-tree is complete. Signed-off-by: Jon Hunter <jon-hunter@ti.com> Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index 12e9753..d9c2719 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -137,12 +137,16 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
return err;
}
- s.device_nand = true;
-
- /* 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->of_node) {
+ gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
+ } else {
+ s.device_nand = true;
+
+ /* 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)