summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-ixp4xx/coyote-setup.c
blob: 820cae8608fc2080259c9d8aefe04adb924e6157 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
 * arch/arm/mach-ixp4xx/coyote-setup.c
 *
 * Board setup for ADI Engineering and IXDGP425 boards
 *
 * Copyright (C) 2003-2005 MontaVista Software, Inc.
 *
 * Author: Deepak Saxena <dsaxena@plexity.net>
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>

#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>

#define COYOTE_IDE_BASE_PHYS	IXP4XX_EXP_BUS_BASE(3)
#define COYOTE_IDE_BASE_VIRT	0xFFFE1000
#define COYOTE_IDE_REGION_SIZE	0x1000

#define COYOTE_IDE_DATA_PORT	0xFFFE10E0
#define COYOTE_IDE_CTRL_PORT	0xFFFE10FC
#define COYOTE_IDE_ERROR_PORT	0xFFFE10E2
#define IRQ_COYOTE_IDE		IRQ_IXP4XX_GPIO5

static struct flash_platform_data coyote_flash_data = {
	.map_name	= "cfi_probe",
	.width		= 2,
};

static struct resource coyote_flash_resource = {
	.flags		= IORESOURCE_MEM,
};

static struct platform_device coyote_flash = {
	.name		= "IXP4XX-Flash",
	.id		= 0,
	.dev		= {
		.platform_data = &coyote_flash_data,
	},
	.num_resources	= 1,
	.resource	= &coyote_flash_resource,
};

static struct resource coyote_uart_resource = {
	.start	= IXP4XX_UART2_BASE_PHYS,
	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
	.flags	= IORESOURCE_MEM,
};

static struct plat_serial8250_port coyote_uart_data[] = {
	{
		.mapbase	= IXP4XX_UART2_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART2,
		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	{ },
};

static struct platform_device coyote_uart = {
	.name		= "serial8250",
	.id		= PLAT8250_DEV_PLATFORM,
	.dev			= {
		.platform_data	= coyote_uart_data,
	},
	.num_resources	= 1,
	.resource	= &coyote_uart_resource,
};

static struct platform_device *coyote_devices[] __initdata = {
	&coyote_flash,
	&coyote_uart
};

static void __init coyote_init(void)
{
	ixp4xx_sys_init();

	coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;

	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;

	if (machine_is_ixdpg425()) {
		coyote_uart_data[0].membase =
			(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
		coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
		coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
	}

	platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
}

#ifdef CONFIG_ARCH_ADI_COYOTE
MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
	/* Maintainer: MontaVista Software, Inc. */
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.atag_offset	= 0x100,
	.init_machine	= coyote_init,
#if defined(CONFIG_PCI)
	.dma_zone_size	= SZ_64M,
#endif
	.restart	= ixp4xx_restart,
MACHINE_END
#endif

/*
 * IXDPG425 is identical to Coyote except for which serial port
 * is connected.
 */
#ifdef CONFIG_MACH_IXDPG425
MACHINE_START(IXDPG425, "Intel IXDPG425")
	/* Maintainer: MontaVista Software, Inc. */
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= ixp4xx_timer_init,
	.atag_offset	= 0x100,
	.init_machine	= coyote_init,
	.restart	= ixp4xx_restart,
MACHINE_END
#endif

OpenPOWER on IntegriCloud