[ARM] 3438/1: ixp23xx: add pci slave support

[powerpc.git] / arch / arm / mach-omap1 / io.c

diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c
index eb8261d..82d556b 100644 (file)
--- 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();
 }