When setting the GPMC device type, make sure any previous
bits are cleared down, before applying the new setting.
Signed-off-by: Mark Jackson <m...@newflow.co.uk>
---
arch/arm/mach-omap2/gpmc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 1adb2d4..026e786 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -613,6 +613,10 @@ int gpmc_cs_configure(int cs, int cmd, int wval)
case GPMC_CONFIG_DEV_TYPE:
regval = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+ /* clear 3 target bits */
+ regval &= ~(GPMC_CONFIG1_DEVICETYPE(3) |
+ GPMC_CONFIG1_MUXADDDATA);
+ /* set the proper value */
regval |= GPMC_CONFIG1_DEVICETYPE(wval);
if (wval == GPMC_DEVICETYPE_NOR)
regval |= GPMC_CONFIG1_MUXADDDATA;
--
1.7.9.5
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