1/*
2 * arch/arm/mach-ixp4xx/avila-setup.c
3 *
4 * Gateworks Avila board-setup
5 *
6 * Author: Michael-Luke Jones <mlj28@cam.ac.uk>
7 *
8 * Based on ixdp-setup.c
9 * Copyright (C) 2003-2005 MontaVista Software, Inc.
10 *
11 * Author: Deepak Saxena <dsaxena@plexity.net>
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/device.h>
17#include <linux/serial.h>
18#include <linux/tty.h>
19#include <linux/serial_8250.h>
20#include <linux/i2c-gpio.h>
21#include <asm/types.h>
22#include <asm/setup.h>
23#include <asm/memory.h>
24#include <mach/hardware.h>
25#include <asm/mach-types.h>
26#include <asm/irq.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/flash.h>
29
30#define AVILA_SDA_PIN	7
31#define AVILA_SCL_PIN	6
32
33static struct flash_platform_data avila_flash_data = {
34	.map_name	= "cfi_probe",
35	.width		= 2,
36};
37
38static struct resource avila_flash_resource = {
39	.flags		= IORESOURCE_MEM,
40};
41
42static struct platform_device avila_flash = {
43	.name		= "IXP4XX-Flash",
44	.id		= 0,
45	.dev		= {
46		.platform_data = &avila_flash_data,
47	},
48	.num_resources	= 1,
49	.resource	= &avila_flash_resource,
50};
51
52static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
53	.sda_pin	= AVILA_SDA_PIN,
54	.scl_pin	= AVILA_SCL_PIN,
55};
56
57static struct platform_device avila_i2c_gpio = {
58	.name		= "i2c-gpio",
59	.id		= 0,
60	.dev	 = {
61		.platform_data	= &avila_i2c_gpio_data,
62	},
63};
64
65static struct resource avila_uart_resources[] = {
66	{
67		.start		= IXP4XX_UART1_BASE_PHYS,
68		.end		= IXP4XX_UART1_BASE_PHYS + 0x0fff,
69		.flags		= IORESOURCE_MEM
70	},
71	{
72		.start		= IXP4XX_UART2_BASE_PHYS,
73		.end		= IXP4XX_UART2_BASE_PHYS + 0x0fff,
74		.flags		= IORESOURCE_MEM
75	}
76};
77
78static struct plat_serial8250_port avila_uart_data[] = {
79	{
80		.mapbase	= IXP4XX_UART1_BASE_PHYS,
81		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
82		.irq		= IRQ_IXP4XX_UART1,
83		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
84		.iotype		= UPIO_MEM,
85		.regshift	= 2,
86		.uartclk	= IXP4XX_UART_XTAL,
87	},
88	{
89		.mapbase	= IXP4XX_UART2_BASE_PHYS,
90		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
91		.irq		= IRQ_IXP4XX_UART2,
92		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
93		.iotype		= UPIO_MEM,
94		.regshift	= 2,
95		.uartclk	= IXP4XX_UART_XTAL,
96	},
97	{ },
98};
99
100static struct platform_device avila_uart = {
101	.name			= "serial8250",
102	.id			= PLAT8250_DEV_PLATFORM,
103	.dev.platform_data	= avila_uart_data,
104	.num_resources		= 2,
105	.resource		= avila_uart_resources
106};
107
108static struct resource avila_pata_resources[] = {
109	{
110		.flags	= IORESOURCE_MEM
111	},
112	{
113		.flags	= IORESOURCE_MEM,
114	},
115	{
116		.name	= "intrq",
117		.start	= IRQ_IXP4XX_GPIO12,
118		.end	= IRQ_IXP4XX_GPIO12,
119		.flags	= IORESOURCE_IRQ,
120	},
121};
122
123static struct ixp4xx_pata_data avila_pata_data = {
124	.cs0_bits	= 0xbfff0043,
125	.cs1_bits	= 0xbfff0043,
126};
127
128static struct platform_device avila_pata = {
129	.name			= "pata_ixp4xx_cf",
130	.id			= 0,
131	.dev.platform_data      = &avila_pata_data,
132	.num_resources		= ARRAY_SIZE(avila_pata_resources),
133	.resource		= avila_pata_resources,
134};
135
136static struct platform_device *avila_devices[] __initdata = {
137	&avila_i2c_gpio,
138	&avila_flash,
139	&avila_uart
140};
141
142static void __init avila_init(void)
143{
144	ixp4xx_sys_init();
145
146	avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
147	avila_flash_resource.end =
148		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
149
150	platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices));
151
152	avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1);
153	avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1);
154
155	avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
156	avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2);
157
158	avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1;
159	avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2;
160
161	platform_device_register(&avila_pata);
162
163}
164
165MACHINE_START(AVILA, "Gateworks Avila Network Platform")
166	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
167	.map_io		= ixp4xx_map_io,
168	.init_early	= ixp4xx_init_early,
169	.init_irq	= ixp4xx_init_irq,
170	.init_time	= ixp4xx_timer_init,
171	.atag_offset	= 0x100,
172	.init_machine	= avila_init,
173#if defined(CONFIG_PCI)
174	.dma_zone_size	= SZ_64M,
175#endif
176	.restart	= ixp4xx_restart,
177MACHINE_END
178
179 /*
180  * Loft is functionally equivalent to Avila except that it has a
181  * different number for the maximum PCI devices.  The MACHINE
182  * structure below is identical to Avila except for the comment.
183  */
184#ifdef CONFIG_MACH_LOFT
185MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
186	/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
187	.map_io		= ixp4xx_map_io,
188	.init_early	= ixp4xx_init_early,
189	.init_irq	= ixp4xx_init_irq,
190	.init_time	= ixp4xx_timer_init,
191	.atag_offset	= 0x100,
192	.init_machine	= avila_init,
193#if defined(CONFIG_PCI)
194	.dma_zone_size	= SZ_64M,
195#endif
196	.restart	= ixp4xx_restart,
197MACHINE_END
198#endif
199
200