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0f185971 MLJ |
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> | |
5a4a2387 | 20 | #include <linux/i2c-gpio.h> |
0f185971 MLJ |
21 | #include <asm/types.h> |
22 | #include <asm/setup.h> | |
23 | #include <asm/memory.h> | |
a09e64fb | 24 | #include <mach/hardware.h> |
0f185971 MLJ |
25 | #include <asm/mach-types.h> |
26 | #include <asm/irq.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/flash.h> | |
29 | ||
ec669696 KH |
30 | #define AVILA_SDA_PIN 7 |
31 | #define AVILA_SCL_PIN 6 | |
32 | ||
0f185971 MLJ |
33 | static struct flash_platform_data avila_flash_data = { |
34 | .map_name = "cfi_probe", | |
35 | .width = 2, | |
36 | }; | |
37 | ||
38 | static struct resource avila_flash_resource = { | |
39 | .flags = IORESOURCE_MEM, | |
40 | }; | |
41 | ||
42 | static 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 | ||
5a4a2387 | 52 | static struct i2c_gpio_platform_data avila_i2c_gpio_data = { |
0f185971 MLJ |
53 | .sda_pin = AVILA_SDA_PIN, |
54 | .scl_pin = AVILA_SCL_PIN, | |
55 | }; | |
56 | ||
5a4a2387 MLJ |
57 | static struct platform_device avila_i2c_gpio = { |
58 | .name = "i2c-gpio", | |
0f185971 | 59 | .id = 0, |
5a4a2387 MLJ |
60 | .dev = { |
61 | .platform_data = &avila_i2c_gpio_data, | |
0f185971 | 62 | }, |
0f185971 MLJ |
63 | }; |
64 | ||
65 | static 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 | ||
78 | static 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 | ||
100 | static 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 | ||
946acb1c MLJ |
108 | static 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 | ||
123 | static struct ixp4xx_pata_data avila_pata_data = { | |
124 | .cs0_bits = 0xbfff0043, | |
125 | .cs1_bits = 0xbfff0043, | |
126 | }; | |
127 | ||
128 | static 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 | ||
0f185971 | 136 | static struct platform_device *avila_devices[] __initdata = { |
5a4a2387 | 137 | &avila_i2c_gpio, |
0f185971 MLJ |
138 | &avila_flash, |
139 | &avila_uart | |
140 | }; | |
141 | ||
142 | static 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)); | |
946acb1c MLJ |
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 | ||
0f185971 MLJ |
163 | } |
164 | ||
165 | MACHINE_START(AVILA, "Gateworks Avila Network Platform") | |
166 | /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */ | |
167 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | |
168 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, | |
169 | .map_io = ixp4xx_map_io, | |
170 | .init_irq = ixp4xx_init_irq, | |
171 | .timer = &ixp4xx_timer, | |
172 | .boot_params = 0x0100, | |
173 | .init_machine = avila_init, | |
174 | MACHINE_END | |
175 | ||
176 | /* | |
177 | * Loft is functionally equivalent to Avila except that it has a | |
178 | * different number for the maximum PCI devices. The MACHINE | |
179 | * structure below is identical to Avila except for the comment. | |
180 | */ | |
181 | #ifdef CONFIG_MACH_LOFT | |
182 | MACHINE_START(LOFT, "Giant Shoulder Inc Loft board") | |
183 | /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */ | |
184 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | |
185 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, | |
186 | .map_io = ixp4xx_map_io, | |
187 | .init_irq = ixp4xx_init_irq, | |
188 | .timer = &ixp4xx_timer, | |
189 | .boot_params = 0x0100, | |
190 | .init_machine = avila_init, | |
191 | MACHINE_END | |
192 | #endif | |
193 |