1/*
2 * arch/arm/mach-ixp4xx/coyote-setup.c
3 *
4 * Board setup for ADI Engineering and IXDGP425 boards
5 *
6 * Copyright (C) 2003-2005 MontaVista Software, Inc.
7 *
8 * Author: Deepak Saxena <dsaxena@plexity.net>
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/device.h>
14#include <linux/serial.h>
15#include <linux/tty.h>
16#include <linux/serial_8250.h>
17
18#include <asm/types.h>
19#include <asm/setup.h>
20#include <asm/memory.h>
21#include <mach/hardware.h>
22#include <asm/irq.h>
23#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <asm/mach/flash.h>
26
27#define COYOTE_IDE_BASE_PHYS	IXP4XX_EXP_BUS_BASE(3)
28#define COYOTE_IDE_BASE_VIRT	0xFFFE1000
29#define COYOTE_IDE_REGION_SIZE	0x1000
30
31#define COYOTE_IDE_DATA_PORT	0xFFFE10E0
32#define COYOTE_IDE_CTRL_PORT	0xFFFE10FC
33#define COYOTE_IDE_ERROR_PORT	0xFFFE10E2
34#define IRQ_COYOTE_IDE		IRQ_IXP4XX_GPIO5
35
36static struct flash_platform_data coyote_flash_data = {
37	.map_name	= "cfi_probe",
38	.width		= 2,
39};
40
41static struct resource coyote_flash_resource = {
42	.flags		= IORESOURCE_MEM,
43};
44
45static struct platform_device coyote_flash = {
46	.name		= "IXP4XX-Flash",
47	.id		= 0,
48	.dev		= {
49		.platform_data = &coyote_flash_data,
50	},
51	.num_resources	= 1,
52	.resource	= &coyote_flash_resource,
53};
54
55static struct resource coyote_uart_resource = {
56	.start	= IXP4XX_UART2_BASE_PHYS,
57	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
58	.flags	= IORESOURCE_MEM,
59};
60
61static struct plat_serial8250_port coyote_uart_data[] = {
62	{
63		.mapbase	= IXP4XX_UART2_BASE_PHYS,
64		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
65		.irq		= IRQ_IXP4XX_UART2,
66		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
67		.iotype		= UPIO_MEM,
68		.regshift	= 2,
69		.uartclk	= IXP4XX_UART_XTAL,
70	},
71	{ },
72};
73
74static struct platform_device coyote_uart = {
75	.name		= "serial8250",
76	.id		= PLAT8250_DEV_PLATFORM,
77	.dev			= {
78		.platform_data	= coyote_uart_data,
79	},
80	.num_resources	= 1,
81	.resource	= &coyote_uart_resource,
82};
83
84static struct platform_device *coyote_devices[] __initdata = {
85	&coyote_flash,
86	&coyote_uart
87};
88
89static void __init coyote_init(void)
90{
91	ixp4xx_sys_init();
92
93	coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
94	coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
95
96	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
97	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
98
99	if (machine_is_ixdpg425()) {
100		coyote_uart_data[0].membase =
101			(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
102		coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
103		coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
104	}
105
106	platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
107}
108
109#ifdef CONFIG_ARCH_ADI_COYOTE
110MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
111	/* Maintainer: MontaVista Software, Inc. */
112	.map_io		= ixp4xx_map_io,
113	.init_early	= ixp4xx_init_early,
114	.init_irq	= ixp4xx_init_irq,
115	.init_time	= ixp4xx_timer_init,
116	.atag_offset	= 0x100,
117	.init_machine	= coyote_init,
118#if defined(CONFIG_PCI)
119	.dma_zone_size	= SZ_64M,
120#endif
121	.restart	= ixp4xx_restart,
122MACHINE_END
123#endif
124
125/*
126 * IXDPG425 is identical to Coyote except for which serial port
127 * is connected.
128 */
129#ifdef CONFIG_MACH_IXDPG425
130MACHINE_START(IXDPG425, "Intel IXDPG425")
131	/* Maintainer: MontaVista Software, Inc. */
132	.map_io		= ixp4xx_map_io,
133	.init_early	= ixp4xx_init_early,
134	.init_irq	= ixp4xx_init_irq,
135	.init_time	= ixp4xx_timer_init,
136	.atag_offset	= 0x100,
137	.init_machine	= coyote_init,
138	.restart	= ixp4xx_restart,
139MACHINE_END
140#endif
141
142