Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linvill...
[linux-2.6] / arch / arm / mach-omap2 / io.c
1 /*
2  * linux/arch/arm/mach-omap2/io.c
3  *
4  * OMAP2 I/O mapping code
5  *
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>
9  *
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.
13  */
14
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18
19 #include <asm/tlb.h>
20 #include <asm/io.h>
21
22 #include <asm/mach/map.h>
23
24 #include <asm/arch/mux.h>
25 #include <asm/arch/omapfb.h>
26
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);
32 extern void omapfb_reserve_sdram(void);
33
34 /*
35  * The machine specific code may provide the extra mapping besides the
36  * default mapping provided here.
37  */
38 static struct map_desc omap2_io_desc[] __initdata = {
39         {
40                 .virtual        = L3_24XX_VIRT,
41                 .pfn            = __phys_to_pfn(L3_24XX_PHYS),
42                 .length         = L3_24XX_SIZE,
43                 .type           = MT_DEVICE
44         },
45 #ifdef CONFIG_ARCH_OMAP2430
46         {
47                 .virtual        = L4_WK_243X_VIRT,
48                 .pfn            = __phys_to_pfn(L4_WK_243X_PHYS),
49                 .length         = L4_WK_243X_SIZE,
50                 .type           = MT_DEVICE
51         },
52         {
53                 .virtual        = OMAP243X_GPMC_VIRT,
54                 .pfn            = __phys_to_pfn(OMAP243X_GPMC_PHYS),
55                 .length         = OMAP243X_GPMC_SIZE,
56                 .type           = MT_DEVICE
57         },
58 #endif
59         {
60                 .virtual        = DSP_MEM_24XX_VIRT,
61                 .pfn            = __phys_to_pfn(DSP_MEM_24XX_PHYS),
62                 .length         = DSP_MEM_24XX_SIZE,
63                 .type           = MT_DEVICE
64         },
65         {
66                 .virtual        = DSP_IPI_24XX_VIRT,
67                 .pfn            = __phys_to_pfn(DSP_IPI_24XX_PHYS),
68                 .length         = DSP_IPI_24XX_SIZE,
69                 .type           = MT_DEVICE
70         },
71         {
72                 .virtual        = DSP_MMU_24XX_VIRT,
73                 .pfn            = __phys_to_pfn(DSP_MMU_24XX_PHYS),
74                 .length         = DSP_MMU_24XX_SIZE,
75                 .type           = MT_DEVICE
76         }
77 };
78
79 void __init omap2_map_common_io(void)
80 {
81         iotable_init(omap2_io_desc, ARRAY_SIZE(omap2_io_desc));
82
83         /* Normally devicemaps_init() would flush caches and tlb after
84          * mdesc->map_io(), but we must also do it here because of the CPU
85          * revision check below.
86          */
87         local_flush_tlb_all();
88         flush_cache_all();
89
90         omap2_check_revision();
91         omap_sram_init();
92         omapfb_reserve_sdram();
93 }
94
95 void __init omap2_init_common_hw(void)
96 {
97         omap2_mux_init();
98         omap2_clk_init();
99 /*
100  * Need to Fix this for 2430
101  */
102 #ifndef CONFIG_ARCH_OMAP2430
103         omap2_init_memory();
104 #endif
105         gpmc_init();
106 }