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

2
 *  linux/arch/arm/mach-mmp/tavorevb.c

3
 *

4
 *  Support for the Marvell PXA910-based TavorEVB Development Platform.

5
 *

6
 *  This program is free software; you can redistribute it and/or modify

7
 *  it under the terms of the GNU General Public License version 2 as

8
 *  publishhed by the Free Software Foundation.

9
 */

10


11
#include <linux/init.h>

12
#include <linux/kernel.h>

13
#include <linux/platform_device.h>

14
#include <linux/smc91x.h>

15


16
#include <asm/mach-types.h>

17
#include <asm/mach/arch.h>

18
#include <mach/addr-map.h>

19
#include <mach/mfp-pxa910.h>

20
#include <mach/pxa910.h>

21
#include <mach/gpio.h>

22


23
#include "common.h"

24


25
static unsigned long tavorevb_pin_config[] __initdata = {

26
	/* UART2 */

27
	GPIO47_UART2_RXD,

28
	GPIO48_UART2_TXD,

29


30
	/* SMC */

31
	SM_nCS0_nCS0,

32
	SM_ADV_SM_ADV,

33
	SM_SCLK_SM_SCLK,

34
	SM_SCLK_SM_SCLK,

35
	SM_BE0_SM_BE0,

36
	SM_BE1_SM_BE1,

37


38
	/* DFI */

39
	DF_IO0_ND_IO0,

40
	DF_IO1_ND_IO1,

41
	DF_IO2_ND_IO2,

42
	DF_IO3_ND_IO3,

43
	DF_IO4_ND_IO4,

44
	DF_IO5_ND_IO5,

45
	DF_IO6_ND_IO6,

46
	DF_IO7_ND_IO7,

47
	DF_IO8_ND_IO8,

48
	DF_IO9_ND_IO9,

49
	DF_IO10_ND_IO10,

50
	DF_IO11_ND_IO11,

51
	DF_IO12_ND_IO12,

52
	DF_IO13_ND_IO13,

53
	DF_IO14_ND_IO14,

54
	DF_IO15_ND_IO15,

55
	DF_nCS0_SM_nCS2_nCS0,

56
	DF_ALE_SM_WEn_ND_ALE,

57
	DF_CLE_SM_OEn_ND_CLE,

58
	DF_WEn_DF_WEn,

59
	DF_REn_DF_REn,

60
	DF_RDY0_DF_RDY0,

61
};

62


63
static struct smc91x_platdata tavorevb_smc91x_info = {

64
	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,

65
};

66


67
static struct resource smc91x_resources[] = {

68
	[0] = {

69
		.start	= SMC_CS1_PHYS_BASE + 0x300,

70
		.end	= SMC_CS1_PHYS_BASE + 0xfffff,

71
		.flags	= IORESOURCE_MEM,

72
	},

73
	[1] = {

74
		.start	= gpio_to_irq(80),

75
		.end	= gpio_to_irq(80),

76
		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,

77
	}

78
};

79


80
static struct platform_device smc91x_device = {

81
	.name		= "smc91x",

82
	.id		= 0,

83
	.dev		= {

84
		.platform_data = &tavorevb_smc91x_info,

85
	},

86
	.num_resources	= ARRAY_SIZE(smc91x_resources),

87
	.resource	= smc91x_resources,

88
};

89


90
static void __init tavorevb_init(void)

91
{

92
	mfp_config(ARRAY_AND_SIZE(tavorevb_pin_config));

93


94
	/* on-chip devices */

95
	pxa910_add_uart(1);

96


97
	/* off-chip devices */

98
	platform_device_register(&smc91x_device);

99
}

100


101
MACHINE_START(TAVOREVB, "PXA910 Evaluation Board (aka TavorEVB)")

102
	.map_io		= mmp_map_io,

103
	.init_irq       = pxa910_init_irq,

104
	.timer          = &pxa910_timer,

105
	.init_machine   = tavorevb_init,

106
MACHINE_END

107


108