Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[powerpc.git] / include / asm-arm / arch-s3c2410 / map.h

diff --git a/include/asm-arm/arch-s3c2410/map.h b/include/asm-arm/arch-s3c2410/map.h
index c380d26..fae2766 100644 (file)
--- a/include/asm-arm/arch-s3c2410/map.h
+++ b/include/asm-arm/arch-s3c2410/map.h
@@ -126,9 +126,18 @@
 #define S3C24XX_SZ_IIS    SZ_1M
 
 /* GPIO ports */
-#define S3C24XX_VA_GPIO           S3C2410_ADDR(0x00E00000)
+
+/* the calculation for the VA of this must ensure that
+ * it is the same distance apart from the UART in the
+ * phsyical address space, as the initial mapping for the IO
+ * is done as a 1:1 maping. This puts it (currently) at
+ * 0xF6800000, which is not in the way of any current mapping
+ * by the base system.
+*/
+
 #define S3C2400_PA_GPIO           (0x15600000)
 #define S3C2410_PA_GPIO           (0x56000000)
+#define S3C24XX_VA_GPIO           ((S3C2410_PA_GPIO - S3C24XX_PA_UART) + S3C24XX_VA_UART)
 #define S3C24XX_SZ_GPIO           SZ_1M
 
 /* RTC */
@@ -227,4 +236,20 @@
 #define S3C24XX_PA_SPI      S3C2410_PA_SPI
 #endif
 
+/* deal with the registers that move under the 2412/2413 */
+
+#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
+#ifndef __ASSEMBLY__
+extern void __iomem *s3c24xx_va_gpio2;
+#endif
+#ifdef CONFIG_CPU_S3C2412_ONLY
+#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10)
+#else
+#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2
+#endif
+#else
+#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO
+#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO
+#endif
+
 #endif /* __ASM_ARCH_MAP_H */