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authorJeff Garzik <jgarzik@pobox.com>2006-02-07 01:47:12 -0500
committerJeff Garzik <jgarzik@pobox.com>2006-02-07 01:47:12 -0500
commit3c9b3a8575b4f2551e3b5b74ffa1c3559c6338eb (patch)
tree7f8d84353852401ec74e005f6f0b1eb958b9a70d /include/asm-arm/arch-s3c2410/regs-gpio.h
parentc0d3c0c0ce94d3db893577ae98e64414d92e49d8 (diff)
parentc03296a868ae7c91aa2d8b372184763b18f16d7a (diff)
Merge branch 'master'
Diffstat (limited to 'include/asm-arm/arch-s3c2410/regs-gpio.h')
-rw-r--r--include/asm-arm/arch-s3c2410/regs-gpio.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h
index 7f1be48ad67..9697f93afe7 100644
--- a/include/asm-arm/arch-s3c2410/regs-gpio.h
+++ b/include/asm-arm/arch-s3c2410/regs-gpio.h
@@ -22,6 +22,7 @@
* 28-Mar-2005 LCVR Fixed definition of GPB10
* 26-Oct-2005 BJD Added generic configuration types
* 27-Nov-2005 LCVR Added definitions to S3C2400 registers
+ * 15-Jan-2006 LCVR Written S3C24XX_GPIO_BASE() macro
*/
@@ -39,6 +40,27 @@
#define S3C2410_GPIO_BANKG (32*6)
#define S3C2410_GPIO_BANKH (32*7)
+#ifdef CONFIG_CPU_S3C2400
+#define S3C24XX_GPIO_BASE(x) S3C2400_GPIO_BASE(x)
+#define S3C24XX_MISCCR S3C2400_MISCCR
+#else
+#define S3C24XX_GPIO_BASE(x) S3C2410_GPIO_BASE(x)
+#define S3C24XX_MISCCR S3C2410_MISCCR
+#endif /* CONFIG_CPU_S3C2400 */
+
+
+/* S3C2400 doesn't have a 1:1 mapping to S3C2410 gpio base pins */
+
+#define S3C2400_BANKNUM(pin) (((pin) & ~31) / 32)
+#define S3C2400_BASEA2B(pin) ((((pin) & ~31) >> 2))
+#define S3C2400_BASEC2H(pin) ((S3C2400_BANKNUM(pin) * 10) + \
+ (2 * (S3C2400_BANKNUM(pin)-2)))
+
+#define S3C2400_GPIO_BASE(pin) (pin < S3C2410_GPIO_BANKC ? \
+ S3C2400_BASEA2B(pin)+S3C24XX_VA_GPIO : \
+ S3C2400_BASEC2H(pin)+S3C24XX_VA_GPIO)
+
+
#define S3C2410_GPIO_BASE(pin) ((((pin) & ~31) >> 1) + S3C24XX_VA_GPIO)
#define S3C2410_GPIO_OFFSET(pin) ((pin) & 31)