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Diffstat (limited to 'arch/arm/mach-omap2/io.c')
-rw-r--r--arch/arm/mach-omap2/io.c154
1 files changed, 124 insertions, 30 deletions
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 987351f07d7b..5ea64f926ed5 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -4,8 +4,11 @@
* OMAP2 I/O mapping code
*
* Copyright (C) 2005 Nokia Corporation
- * Author: Juha Yrjölä <juha.yrjola@nokia.com>
- * Updated map desc to add 2430 support : <x0khasim@ti.com>
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * Author:
+ * Juha Yrjola <juha.yrjola@nokia.com>
+ * Syed Khasim <x0khasim@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -15,27 +18,34 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/io.h>
#include <asm/tlb.h>
-#include <asm/io.h>
#include <asm/mach/map.h>
#include <mach/mux.h>
#include <mach/omapfb.h>
+#include <mach/sram.h>
+
+#include "memory.h"
+
+#include "clock.h"
+
+#include <mach/powerdomain.h>
+
+#include "powerdomains.h"
-extern void omap_sram_init(void);
-extern int omap2_clk_init(void);
-extern void omap2_check_revision(void);
-extern void omap2_init_memory(void);
-extern void gpmc_init(void);
-extern void omapfb_reserve_sdram(void);
+#include <mach/clockdomain.h>
+#include "clockdomains.h"
/*
* The machine specific code may provide the extra mapping besides the
* default mapping provided here.
*/
-static struct map_desc omap2_io_desc[] __initdata = {
+
+#ifdef CONFIG_ARCH_OMAP24XX
+static struct map_desc omap24xx_io_desc[] __initdata = {
{
.virtual = L3_24XX_VIRT,
.pfn = __phys_to_pfn(L3_24XX_PHYS),
@@ -43,12 +53,39 @@ static struct map_desc omap2_io_desc[] __initdata = {
.type = MT_DEVICE
},
{
- .virtual = L4_24XX_VIRT,
- .pfn = __phys_to_pfn(L4_24XX_PHYS),
- .length = L4_24XX_SIZE,
- .type = MT_DEVICE
+ .virtual = L4_24XX_VIRT,
+ .pfn = __phys_to_pfn(L4_24XX_PHYS),
+ .length = L4_24XX_SIZE,
+ .type = MT_DEVICE
},
+};
+
+#ifdef CONFIG_ARCH_OMAP2420
+static struct map_desc omap242x_io_desc[] __initdata = {
+ {
+ .virtual = DSP_MEM_24XX_VIRT,
+ .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
+ .length = DSP_MEM_24XX_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = DSP_IPI_24XX_VIRT,
+ .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
+ .length = DSP_IPI_24XX_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = DSP_MMU_24XX_VIRT,
+ .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
+ .length = DSP_MMU_24XX_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+#endif
+
#ifdef CONFIG_ARCH_OMAP2430
+static struct map_desc omap243x_io_desc[] __initdata = {
{
.virtual = L4_WK_243X_VIRT,
.pfn = __phys_to_pfn(L4_WK_243X_PHYS),
@@ -61,30 +98,90 @@ static struct map_desc omap2_io_desc[] __initdata = {
.length = OMAP243X_GPMC_SIZE,
.type = MT_DEVICE
},
+ {
+ .virtual = OMAP243X_SDRC_VIRT,
+ .pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
+ .length = OMAP243X_SDRC_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = OMAP243X_SMS_VIRT,
+ .pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
+ .length = OMAP243X_SMS_SIZE,
+ .type = MT_DEVICE
+ },
+};
+#endif
#endif
+
+#ifdef CONFIG_ARCH_OMAP34XX
+static struct map_desc omap34xx_io_desc[] __initdata = {
{
- .virtual = DSP_MEM_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
- .length = DSP_MEM_24XX_SIZE,
+ .virtual = L3_34XX_VIRT,
+ .pfn = __phys_to_pfn(L3_34XX_PHYS),
+ .length = L3_34XX_SIZE,
.type = MT_DEVICE
},
{
- .virtual = DSP_IPI_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
- .length = DSP_IPI_24XX_SIZE,
+ .virtual = L4_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_34XX_PHYS),
+ .length = L4_34XX_SIZE,
.type = MT_DEVICE
},
{
- .virtual = DSP_MMU_24XX_VIRT,
- .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
- .length = DSP_MMU_24XX_SIZE,
+ .virtual = L4_WK_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_WK_34XX_PHYS),
+ .length = L4_WK_34XX_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = OMAP34XX_GPMC_VIRT,
+ .pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
+ .length = OMAP34XX_GPMC_SIZE,
.type = MT_DEVICE
- }
+ },
+ {
+ .virtual = OMAP343X_SMS_VIRT,
+ .pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
+ .length = OMAP343X_SMS_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = OMAP343X_SDRC_VIRT,
+ .pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
+ .length = OMAP343X_SDRC_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = L4_PER_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
+ .length = L4_PER_34XX_SIZE,
+ .type = MT_DEVICE
+ },
+ {
+ .virtual = L4_EMU_34XX_VIRT,
+ .pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
+ .length = L4_EMU_34XX_SIZE,
+ .type = MT_DEVICE
+ },
};
+#endif
void __init omap2_map_common_io(void)
{
- iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
+#if defined(CONFIG_ARCH_OMAP2420)
+ iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
+ iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
+#endif
+
+#if defined(CONFIG_ARCH_OMAP2430)
+ iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
+ iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
+#endif
+
+#if defined(CONFIG_ARCH_OMAP34XX)
+ iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
+#endif
/* Normally devicemaps_init() would flush caches and tlb after
* mdesc->map_io(), but we must also do it here because of the CPU
@@ -101,12 +198,9 @@ void __init omap2_map_common_io(void)
void __init omap2_init_common_hw(void)
{
omap2_mux_init();
+ pwrdm_init(powerdomains_omap);
+ clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
omap2_clk_init();
-/*
- * Need to Fix this for 2430
- */
-#ifndef CONFIG_ARCH_OMAP2430
omap2_init_memory();
-#endif
gpmc_init();
}
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