2 * linux/arch/arm/mach-omap2/io.c
4 * OMAP2 I/O mapping code
6 * Copyright (C) 2005 Nokia Corporation
7 * Author: Juha Yrjölä <juha.yrjola@nokia.com>
8 * Updated map desc to add 2430 support : <x0khasim@ti.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
22 #include <asm/mach/map.h>
24 #include <asm/arch/mux.h>
25 #include <asm/arch/omapfb.h>
27 extern void omap_sram_init(void);
28 extern int omap2_clk_init(void);
29 extern void omap2_check_revision(void);
30 extern void omap2_init_memory(void);
31 extern void gpmc_init(void);
34 * The machine specific code may provide the extra mapping besides the
35 * default mapping provided here.
37 static struct map_desc omap2_io_desc[] __initdata = {
39 .virtual = L3_24XX_VIRT,
40 .pfn = __phys_to_pfn(L3_24XX_PHYS),
41 .length = L3_24XX_SIZE,
45 .virtual = L4_24XX_VIRT,
46 .pfn = __phys_to_pfn(L4_24XX_PHYS),
47 .length = L4_24XX_SIZE,
50 #ifdef CONFIG_ARCH_OMAP2430
52 .virtual = L4_WK_243X_VIRT,
53 .pfn = __phys_to_pfn(L4_WK_243X_PHYS),
54 .length = L4_WK_243X_SIZE,
58 .virtual = OMAP243X_GPMC_VIRT,
59 .pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
60 .length = OMAP243X_GPMC_SIZE,
65 .virtual = DSP_MEM_24XX_VIRT,
66 .pfn = __phys_to_pfn(DSP_MEM_24XX_PHYS),
67 .length = DSP_MEM_24XX_SIZE,
71 .virtual = DSP_IPI_24XX_VIRT,
72 .pfn = __phys_to_pfn(DSP_IPI_24XX_PHYS),
73 .length = DSP_IPI_24XX_SIZE,
77 .virtual = DSP_MMU_24XX_VIRT,
78 .pfn = __phys_to_pfn(DSP_MMU_24XX_PHYS),
79 .length = DSP_MMU_24XX_SIZE,
84 void __init omap2_map_common_io(void)
86 iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
88 /* Normally devicemaps_init() would flush caches and tlb after
89 * mdesc->map_io(), but we must also do it here because of the CPU
90 * revision check below.
92 local_flush_tlb_all();
95 omap2_check_revision();
100 void __init omap2_init_common_hw(void)
105 * Need to Fix this for 2430
107 #ifndef CONFIG_ARCH_OMAP2430