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/arch/arm/mach-ixp4xx/avila-setup.c

https://github.com/AICP/kernel_google_msm
C | 199 lines | 155 code | 25 blank | 19 comment | 0 complexity | df5847d3e7d3f16bf8e14ad610e35087 MD5 | raw file
  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	.timer		= &ixp4xx_timer,
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	.timer		= &ixp4xx_timer,
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