[ARM] omap: Fix IO_ADDRESS() macros

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / include / mach / io.h

diff --git a/arch/arm/plat-omap/include/mach/io.h b/arch/arm/plat-omap/include/mach/io.h
index b9f57ce0ac157da425149bc8d59e3b3e8b8a1ab6..dd0cf069431df34dd0b3a8d48e67df5cef5f23f9 100644 (file)
--- a/arch/arm/plat-omap/include/mach/io.h
+++ b/arch/arm/plat-omap/include/mach/io.h
@@ -55,14 +55,13 @@
 
 #if defined(CONFIG_ARCH_OMAP1)
 
-#define IO_PHYS                0xFFFB0000
-#define IO_OFFSET      0x01000000      /* Virtual IO = 0xfefb0000 */
-#define IO_SIZE                0x40000
-#define IO_VIRT                (IO_PHYS - IO_OFFSET)
-#define IO_ADDRESS(pa) ((pa) - IO_OFFSET)
-#define OMAP1_IO_ADDRESS(pa)   ((pa) - IO_OFFSET)
-#define io_p2v(pa)     ((pa) - IO_OFFSET)
-#define io_v2p(va)     ((va) + IO_OFFSET)
+#define IO_PHYS                        0xFFFB0000
+#define IO_OFFSET              0x01000000      /* Virtual IO = 0xfefb0000 */
+#define IO_SIZE                        0x40000
+#define IO_VIRT                        (IO_PHYS - IO_OFFSET)
+#define __IO_ADDRESS(pa)       ((pa) - IO_OFFSET)
+#define __OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
+#define io_v2p(va)             ((va) + IO_OFFSET)
 
 #elif defined(CONFIG_ARCH_OMAP2)
 
@@ -90,11 +89,10 @@
 
 #endif
 
-#define IO_OFFSET      0x90000000
-#define IO_ADDRESS(pa) ((pa) + IO_OFFSET)      /* Works for L3 and L4 */
-#define OMAP2_IO_ADDRESS(pa)   ((pa) + IO_OFFSET)      /* Works for L3 and L4 */
-#define io_p2v(pa)     ((pa) + IO_OFFSET)      /* Works for L3 and L4 */
-#define io_v2p(va)     ((va) - IO_OFFSET)      /* Works for L3 and L4 */
+#define IO_OFFSET              0x90000000
+#define __IO_ADDRESS(pa)       ((pa) + IO_OFFSET)      /* Works for L3 and L4 */
+#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)      /* Works for L3 and L4 */
+#define io_v2p(va)             ((va) - IO_OFFSET)      /* Works for L3 and L4 */
 
 /* DSP */
 #define DSP_MEM_24XX_PHYS      OMAP2420_DSP_MEM_BASE   /* 0x58000000 */
@@ -149,9 +147,8 @@
 
 
 #define IO_OFFSET              0x90000000
-#define IO_ADDRESS(pa)         ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define OMAP2_IO_ADDRESS(pa)   ((pa) + IO_OFFSET)/* Works for L3 and L4 */
-#define io_p2v(pa)             ((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define __IO_ADDRESS(pa)       ((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define __OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
 #define io_v2p(va)             ((va) - IO_OFFSET)/* Works for L3 and L4 */
 
 /* DSP */
@@ -167,7 +164,14 @@
 
 #endif
 
-#ifndef __ASSEMBLER__
+#define IO_ADDRESS(pa)         IOMEM(__IO_ADDRESS(pa))
+#define OMAP1_IO_ADDRESS(pa)   IOMEM(__OMAP1_IO_ADDRESS(pa))
+#define OMAP2_IO_ADDRESS(pa)   IOMEM(__OMAP2_IO_ADDRESS(pa))
+
+#ifdef __ASSEMBLER__
+#define IOMEM(x)               x
+#else
+#define IOMEM(x)               ((void __force __iomem *)(x))
 
 /*
  * Functions to access the OMAP IO region
@@ -178,13 +182,13 @@
  *      - DO NOT use hardcoded virtual addresses to allow changing the
  *        IO address space again if needed
  */
-#define omap_readb(a)          (*(volatile unsigned char  *)IO_ADDRESS(a))
-#define omap_readw(a)          (*(volatile unsigned short *)IO_ADDRESS(a))
-#define omap_readl(a)          (*(volatile unsigned int   *)IO_ADDRESS(a))
+#define omap_readb(a)          __raw_readb(IO_ADDRESS(a))
+#define omap_readw(a)          __raw_readw(IO_ADDRESS(a))
+#define omap_readl(a)          __raw_readl(IO_ADDRESS(a))
 
-#define omap_writeb(v,a)       (*(volatile unsigned char  *)IO_ADDRESS(a) = (v))
-#define omap_writew(v,a)       (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
-#define omap_writel(v,a)       (*(volatile unsigned int   *)IO_ADDRESS(a) = (v))
+#define omap_writeb(v,a)       __raw_writeb(v, IO_ADDRESS(a))
+#define omap_writew(v,a)       __raw_writew(v, IO_ADDRESS(a))
+#define omap_writel(v,a)       __raw_writel(v, IO_ADDRESS(a))
 
 extern void omap1_map_common_io(void);
 extern void omap1_init_common_hw(void);