1 files changed, 89 insertions, 43 deletions

diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index a7a19f75b9e..499b8accb83 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -8,19 +8,21 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 
+#include <asm/tlb.h>
 #include <asm/mach/map.h>
-#include <asm/io.h>
-#include <asm/arch/mux.h>
-#include <asm/arch/tc.h>
 
-extern int omap1_clk_init(void);
-extern void omap_check_revision(void);
-extern void omap_sram_init(void);
+#include <mach/mux.h>
+#include <mach/tc.h>
+#include <linux/omap-dma.h>
+
+#include "iomap.h"
+#include "common.h"
+#include "clock.h"
 
 /*
  * The machine specific code may provide the extra mapping besides the
@@ -28,24 +30,24 @@ extern void omap_sram_init(void);
  */
 static struct map_desc omap_io_desc[] __initdata = {
 	{
-		.virtual	= IO_VIRT,
-		.pfn		= __phys_to_pfn(IO_PHYS),
-		.length		= IO_SIZE,
+		.virtual	= OMAP1_IO_VIRT,
+		.pfn		= __phys_to_pfn(OMAP1_IO_PHYS),
+		.length		= OMAP1_IO_SIZE,
 		.type		= MT_DEVICE
 	}
 };
 
-#ifdef CONFIG_ARCH_OMAP730
-static struct map_desc omap730_io_desc[] __initdata = {
+#if defined (CONFIG_ARCH_OMAP730) || defined (CONFIG_ARCH_OMAP850)
+static struct map_desc omap7xx_io_desc[] __initdata = {
 	{
-		.virtual	= OMAP730_DSP_BASE,
-		.pfn		= __phys_to_pfn(OMAP730_DSP_START),
-		.length		= OMAP730_DSP_SIZE,
+		.virtual	= OMAP7XX_DSP_BASE,
+		.pfn		= __phys_to_pfn(OMAP7XX_DSP_START),
+		.length		= OMAP7XX_DSP_SIZE,
 		.type		= MT_DEVICE
 	}, {
-		.virtual	= OMAP730_DSPREG_BASE,
-		.pfn		= __phys_to_pfn(OMAP730_DSPREG_START),
-		.length		= OMAP730_DSPREG_SIZE,
+		.virtual	= OMAP7XX_DSPREG_BASE,
+		.pfn		= __phys_to_pfn(OMAP7XX_DSPREG_START),
+		.length		= OMAP7XX_DSPREG_SIZE,
 		.type		= MT_DEVICE
 	}
 };
@@ -83,34 +85,44 @@ static struct map_desc omap16xx_io_desc[] __initdata = {
 };
 #endif
 
-static int initialized = 0;
-
-static void __init _omap_map_io(void)
+/*
+ * Maps common IO regions for omap1
+ */
+static void __init omap1_map_common_io(void)
 {
-	initialized = 1;
-
-	/* We have to initialize the IO space mapping before we can run
-	 * cpu_is_omapxxx() macros. */
 	iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc));
-	omap_check_revision();
+}
 
-#ifdef CONFIG_ARCH_OMAP730
-	if (cpu_is_omap730()) {
-		iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc));
-	}
+#if defined (CONFIG_ARCH_OMAP730) || defined (CONFIG_ARCH_OMAP850)
+void __init omap7xx_map_io(void)
+{
+	omap1_map_common_io();
+	iotable_init(omap7xx_io_desc, ARRAY_SIZE(omap7xx_io_desc));
+}
 #endif
+
 #ifdef CONFIG_ARCH_OMAP15XX
-	if (cpu_is_omap1510()) {
-		iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
-	}
+void __init omap15xx_map_io(void)
+{
+	omap1_map_common_io();
+	iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
+}
 #endif
+
 #if defined(CONFIG_ARCH_OMAP16XX)
-	if (cpu_is_omap16xx()) {
-		iotable_init(omap16xx_io_desc, ARRAY_SIZE(omap16xx_io_desc));
-	}
+void __init omap16xx_map_io(void)
+{
+	omap1_map_common_io();
+	iotable_init(omap16xx_io_desc, ARRAY_SIZE(omap16xx_io_desc));
+}
 #endif
 
-	omap_sram_init();
+/*
+ * Common low-level hardware init for omap1.
+ */
+void __init omap1_init_early(void)
+{
+	omap_check_revision();
 
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".
@@ -121,16 +133,50 @@ static void __init _omap_map_io(void)
 	/* Must init clocks early to assure that timer interrupt works
 	 */
 	omap1_clk_init();
+	omap1_mux_init();
+}
+
+void __init omap1_init_late(void)
+{
+	omap_serial_wakeup_init();
 }
 
 /*
- * This should only get called from board specific init
+ * NOTE: Please use ioremap + __raw_read/write where possible instead of these
  */
-void __init omap_map_common_io(void)
+
+u8 omap_readb(u32 pa)
 {
-	if (!initialized) {
-		_omap_map_io();
-		omap1_mux_init();
-	}
+	return __raw_readb(OMAP1_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readb);
+
+u16 omap_readw(u32 pa)
+{
+	return __raw_readw(OMAP1_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readw);
+
+u32 omap_readl(u32 pa)
+{
+	return __raw_readl(OMAP1_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_readl);
+
+void omap_writeb(u8 v, u32 pa)
+{
+	__raw_writeb(v, OMAP1_IO_ADDRESS(pa));
 }
+EXPORT_SYMBOL(omap_writeb);
 
+void omap_writew(u16 v, u32 pa)
+{
+	__raw_writew(v, OMAP1_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_writew);
+
+void omap_writel(u32 v, u32 pa)
+{
+	__raw_writel(v, OMAP1_IO_ADDRESS(pa));
+}
+EXPORT_SYMBOL(omap_writel);