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 <asm/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
193
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