X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=arch%2Farm%2Fmach-omap1%2Fio.c;h=82d556be79c51d24418c7da9198f91ccba5986d6;hb=532bda5d9cd2f94a9e374765c23858c7d8641f66;hp=eb8261d7dead9b0eb99ae98887f6a540c79450f8;hpb=8ccc457722ba226ea72fca6f9ba3b54535d4749e;p=powerpc.git

diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index eb8261d7de..82d556be79 100644
--- a/arch/arm/mach-omap1/io.c
+++ b/arch/arm/mach-omap1/io.c
@@ -13,11 +13,13 @@
 #include <linux/kernel.h>
 #include <linux/init.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 clk_init(void);
+extern int omap1_clk_init(void);
 extern void omap_check_revision(void);
 extern void omap_sram_init(void);
 
@@ -26,39 +28,80 @@ extern void omap_sram_init(void);
  * default mapping provided here.
  */
 static struct map_desc omap_io_desc[] __initdata = {
- { IO_VIRT,      	IO_PHYS,             IO_SIZE,        	   MT_DEVICE },
+	{
+		.virtual	= IO_VIRT,
+		.pfn		= __phys_to_pfn(IO_PHYS),
+		.length		= IO_SIZE,
+		.type		= MT_DEVICE
+	}
 };
 
 #ifdef CONFIG_ARCH_OMAP730
 static struct map_desc omap730_io_desc[] __initdata = {
- { OMAP730_DSP_BASE,    OMAP730_DSP_START,    OMAP730_DSP_SIZE,    MT_DEVICE },
- { OMAP730_DSPREG_BASE, OMAP730_DSPREG_START, OMAP730_DSPREG_SIZE, MT_DEVICE },
+	{
+		.virtual	= OMAP730_DSP_BASE,
+		.pfn		= __phys_to_pfn(OMAP730_DSP_START),
+		.length		= OMAP730_DSP_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	= OMAP730_DSPREG_BASE,
+		.pfn		= __phys_to_pfn(OMAP730_DSPREG_START),
+		.length		= OMAP730_DSPREG_SIZE,
+		.type		= MT_DEVICE
+	}
 };
 #endif
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 static struct map_desc omap1510_io_desc[] __initdata = {
- { OMAP1510_DSP_BASE,    OMAP1510_DSP_START,    OMAP1510_DSP_SIZE,    MT_DEVICE },
- { OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_START, OMAP1510_DSPREG_SIZE, MT_DEVICE },
+	{
+		.virtual	= OMAP1510_DSP_BASE,
+		.pfn		= __phys_to_pfn(OMAP1510_DSP_START),
+		.length		= OMAP1510_DSP_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	= OMAP1510_DSPREG_BASE,
+		.pfn		= __phys_to_pfn(OMAP1510_DSPREG_START),
+		.length		= OMAP1510_DSPREG_SIZE,
+		.type		= MT_DEVICE
+	}
 };
 #endif
 
 #if defined(CONFIG_ARCH_OMAP16XX)
 static struct map_desc omap16xx_io_desc[] __initdata = {
- { OMAP16XX_DSP_BASE,    OMAP16XX_DSP_START,    OMAP16XX_DSP_SIZE,    MT_DEVICE },
- { OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_START, OMAP16XX_DSPREG_SIZE, MT_DEVICE },
+	{
+		.virtual	= OMAP16XX_DSP_BASE,
+		.pfn		= __phys_to_pfn(OMAP16XX_DSP_START),
+		.length		= OMAP16XX_DSP_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	= OMAP16XX_DSPREG_BASE,
+		.pfn		= __phys_to_pfn(OMAP16XX_DSPREG_START),
+		.length		= OMAP16XX_DSPREG_SIZE,
+		.type		= MT_DEVICE
+	}
 };
 #endif
 
-static int initialized = 0;
-
-static void __init _omap_map_io(void)
+/*
+ * Maps common IO regions for omap1. This should only get called from
+ * board specific init.
+ */
+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));
+
+	/* Normally devicemaps_init() would flush caches and tlb after
+	 * mdesc->map_io(), but we must also do it here because of the CPU
+	 * revision check below.
+	 */
+	local_flush_tlb_all();
+	flush_cache_all();
+
+	/* We want to check CPU revision early for cpu_is_omapxxxx() macros.
+	 * IO space mapping must be initialized before we can do that.
+	 */
 	omap_check_revision();
 
 #ifdef CONFIG_ARCH_OMAP730
@@ -66,7 +109,7 @@ static void __init _omap_map_io(void)
 		iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc));
 	}
 #endif
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {
 		iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
 	}
@@ -78,7 +121,14 @@ static void __init _omap_map_io(void)
 #endif
 
 	omap_sram_init();
+}
 
+/*
+ * Common low-level hardware init for omap1. This should only get called from
+ * board specific init.
+ */
+void __init omap1_init_common_hw()
+{
 	/* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort
 	 * on a Posted Write in the TIPB Bridge".
 	 */
@@ -87,15 +137,8 @@ static void __init _omap_map_io(void)
 
 	/* Must init clocks early to assure that timer interrupt works
 	 */
-	clk_init();
-}
+	omap1_clk_init();
 
-/*
- * This should only get called from board specific init
- */
-void __init omap_map_common_io(void)
-{
-	if (!initialized)
-		_omap_map_io();
+	omap1_mux_init();
 }