Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-gemini/mm.c
10817 views
1
/*

2
 *  Static mappings for Gemini

3
 *

4
 *  Copyright (C) 2001-2006 Storlink, Corp.

5
 *  Copyright (C) 2008-2009 Paulius Zaleckas <[email protected]>

6
 *

7
 * This program is free software; you can redistribute it and/or modify

8
 * it under the terms of the GNU General Public License as published by

9
 * the Free Software Foundation; either version 2 of the License, or

10
 * (at your option) any later version.

11
 */

12
#include <linux/mm.h>

13
#include <linux/init.h>

14


15
#include <asm/mach/map.h>

16


17
#include <mach/hardware.h>

18


19
/* Page table mapping for I/O region */

20
static struct map_desc gemini_io_desc[] __initdata = {

21
	{

22
		.virtual	= IO_ADDRESS(GEMINI_GLOBAL_BASE),

23
		.pfn		=__phys_to_pfn(GEMINI_GLOBAL_BASE),

24
		.length		= SZ_512K,

25
		.type 		= MT_DEVICE,

26
	}, {

27
		.virtual	= IO_ADDRESS(GEMINI_UART_BASE),

28
		.pfn		= __phys_to_pfn(GEMINI_UART_BASE),

29
		.length		= SZ_512K,

30
		.type 		= MT_DEVICE,

31
	}, {

32
		.virtual	= IO_ADDRESS(GEMINI_TIMER_BASE),

33
		.pfn		= __phys_to_pfn(GEMINI_TIMER_BASE),

34
		.length		= SZ_512K,

35
		.type 		= MT_DEVICE,

36
	}, {

37
		.virtual	= IO_ADDRESS(GEMINI_INTERRUPT_BASE),

38
		.pfn		= __phys_to_pfn(GEMINI_INTERRUPT_BASE),

39
		.length		= SZ_512K,

40
		.type 		= MT_DEVICE,

41
	}, {

42
		.virtual	= IO_ADDRESS(GEMINI_POWER_CTRL_BASE),

43
		.pfn		= __phys_to_pfn(GEMINI_POWER_CTRL_BASE),

44
		.length		= SZ_512K,

45
		.type 		= MT_DEVICE,

46
	}, {

47
		.virtual	= IO_ADDRESS(GEMINI_GPIO_BASE(0)),

48
		.pfn		= __phys_to_pfn(GEMINI_GPIO_BASE(0)),

49
		.length		= SZ_512K,

50
		.type 		= MT_DEVICE,

51
	}, {

52
		.virtual	= IO_ADDRESS(GEMINI_GPIO_BASE(1)),

53
		.pfn		= __phys_to_pfn(GEMINI_GPIO_BASE(1)),

54
		.length		= SZ_512K,

55
		.type 		= MT_DEVICE,

56
	}, {

57
		.virtual	= IO_ADDRESS(GEMINI_GPIO_BASE(2)),

58
		.pfn		= __phys_to_pfn(GEMINI_GPIO_BASE(2)),

59
		.length		= SZ_512K,

60
		.type 		= MT_DEVICE,

61
	}, {

62
		.virtual	= IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),

63
		.pfn		= __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),

64
		.length		= SZ_512K,

65
		.type 		= MT_DEVICE,

66
	}, {

67
		.virtual	= IO_ADDRESS(GEMINI_DRAM_CTRL_BASE),

68
		.pfn		= __phys_to_pfn(GEMINI_DRAM_CTRL_BASE),

69
		.length		= SZ_512K,

70
		.type 		= MT_DEVICE,

71
	}, {

72
		.virtual	= IO_ADDRESS(GEMINI_GENERAL_DMA_BASE),

73
		.pfn		= __phys_to_pfn(GEMINI_GENERAL_DMA_BASE),

74
		.length		= SZ_512K,

75
		.type 		= MT_DEVICE,

76
	},

77
};

78


79
void __init gemini_map_io(void)

80
{

81
	iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc));

82
}

83


84