drm: merge Linux master into HEAD
[linux-2.6] / arch / arm / mach-ixp4xx / avila-setup.c
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/slab.h>
21 #include <linux/i2c-gpio.h>
22
23 #include <asm/types.h>
24 #include <asm/setup.h>
25 #include <asm/memory.h>
26 #include <mach/hardware.h>
27 #include <asm/mach-types.h>
28 #include <asm/irq.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/flash.h>
31
32 static struct flash_platform_data avila_flash_data = {
33         .map_name       = "cfi_probe",
34         .width          = 2,
35 };
36
37 static struct resource avila_flash_resource = {
38         .flags          = IORESOURCE_MEM,
39 };
40
41 static struct platform_device avila_flash = {
42         .name           = "IXP4XX-Flash",
43         .id             = 0,
44         .dev            = {
45                 .platform_data = &avila_flash_data,
46         },
47         .num_resources  = 1,
48         .resource       = &avila_flash_resource,
49 };
50
51 static struct i2c_gpio_platform_data avila_i2c_gpio_data = {
52         .sda_pin        = AVILA_SDA_PIN,
53         .scl_pin        = AVILA_SCL_PIN,
54 };
55
56 static struct platform_device avila_i2c_gpio = {
57         .name           = "i2c-gpio",
58         .id             = 0,
59         .dev     = {
60                 .platform_data  = &avila_i2c_gpio_data,
61         },
62 };
63
64 static struct resource avila_uart_resources[] = {
65         {
66                 .start          = IXP4XX_UART1_BASE_PHYS,
67                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
68                 .flags          = IORESOURCE_MEM
69         },
70         {
71                 .start          = IXP4XX_UART2_BASE_PHYS,
72                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
73                 .flags          = IORESOURCE_MEM
74         }
75 };
76
77 static struct plat_serial8250_port avila_uart_data[] = {
78         {
79                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
80                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
81                 .irq            = IRQ_IXP4XX_UART1,
82                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
83                 .iotype         = UPIO_MEM,
84                 .regshift       = 2,
85                 .uartclk        = IXP4XX_UART_XTAL,
86         },
87         {
88                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
89                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
90                 .irq            = IRQ_IXP4XX_UART2,
91                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
92                 .iotype         = UPIO_MEM,
93                 .regshift       = 2,
94                 .uartclk        = IXP4XX_UART_XTAL,
95         },
96         { },
97 };
98
99 static struct platform_device avila_uart = {
100         .name                   = "serial8250",
101         .id                     = PLAT8250_DEV_PLATFORM,
102         .dev.platform_data      = avila_uart_data,
103         .num_resources          = 2,
104         .resource               = avila_uart_resources
105 };
106
107 static struct resource avila_pata_resources[] = {
108         {
109                 .flags  = IORESOURCE_MEM
110         },
111         {
112                 .flags  = IORESOURCE_MEM,
113         },
114         {
115                 .name   = "intrq",
116                 .start  = IRQ_IXP4XX_GPIO12,
117                 .end    = IRQ_IXP4XX_GPIO12,
118                 .flags  = IORESOURCE_IRQ,
119         },
120 };
121
122 static struct ixp4xx_pata_data avila_pata_data = {
123         .cs0_bits       = 0xbfff0043,
124         .cs1_bits       = 0xbfff0043,
125 };
126
127 static struct platform_device avila_pata = {
128         .name                   = "pata_ixp4xx_cf",
129         .id                     = 0,
130         .dev.platform_data      = &avila_pata_data,
131         .num_resources          = ARRAY_SIZE(avila_pata_resources),
132         .resource               = avila_pata_resources,
133 };
134
135 static struct platform_device *avila_devices[] __initdata = {
136         &avila_i2c_gpio,
137         &avila_flash,
138         &avila_uart
139 };
140
141 static void __init avila_init(void)
142 {
143         ixp4xx_sys_init();
144
145         avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
146         avila_flash_resource.end =
147                 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
148
149         platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices));
150
151         avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1);
152         avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1);
153
154         avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
155         avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2);
156
157         avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1;
158         avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2;
159
160         platform_device_register(&avila_pata);
161
162 }
163
164 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
165         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
166         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
167         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
168         .map_io         = ixp4xx_map_io,
169         .init_irq       = ixp4xx_init_irq,
170         .timer          = &ixp4xx_timer,
171         .boot_params    = 0x0100,
172         .init_machine   = avila_init,
173 MACHINE_END
174
175  /*
176   * Loft is functionally equivalent to Avila except that it has a
177   * different number for the maximum PCI devices.  The MACHINE
178   * structure below is identical to Avila except for the comment.
179   */
180 #ifdef CONFIG_MACH_LOFT
181 MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
182         /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
183         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
184         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
185         .map_io         = ixp4xx_map_io,
186         .init_irq       = ixp4xx_init_irq,
187         .timer          = &ixp4xx_timer,
188         .boot_params    = 0x0100,
189         .init_machine   = avila_init,
190 MACHINE_END
191 #endif
192