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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> | |
b2e63555 | 20 | #include <linux/gpio/machine.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 | ||
b2e63555 LW |
52 | static struct gpiod_lookup_table avila_i2c_gpiod_table = { |
53 | .dev_id = "i2c-gpio", | |
54 | .table = { | |
55 | GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SDA_PIN, | |
56 | NULL, 0, GPIO_ACTIVE_HIGH), | |
57 | GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", AVILA_SCL_PIN, | |
58 | NULL, 1, GPIO_ACTIVE_HIGH), | |
59 | }, | |
0f185971 MLJ |
60 | }; |
61 | ||
5a4a2387 MLJ |
62 | static struct platform_device avila_i2c_gpio = { |
63 | .name = "i2c-gpio", | |
0f185971 | 64 | .id = 0, |
5a4a2387 | 65 | .dev = { |
b2e63555 | 66 | .platform_data = NULL, |
0f185971 | 67 | }, |
0f185971 MLJ |
68 | }; |
69 | ||
70 | static struct resource avila_uart_resources[] = { | |
71 | { | |
72 | .start = IXP4XX_UART1_BASE_PHYS, | |
73 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | |
74 | .flags = IORESOURCE_MEM | |
75 | }, | |
76 | { | |
77 | .start = IXP4XX_UART2_BASE_PHYS, | |
78 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
79 | .flags = IORESOURCE_MEM | |
80 | } | |
81 | }; | |
82 | ||
83 | static struct plat_serial8250_port avila_uart_data[] = { | |
84 | { | |
85 | .mapbase = IXP4XX_UART1_BASE_PHYS, | |
86 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | |
87 | .irq = IRQ_IXP4XX_UART1, | |
88 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
89 | .iotype = UPIO_MEM, | |
90 | .regshift = 2, | |
91 | .uartclk = IXP4XX_UART_XTAL, | |
92 | }, | |
93 | { | |
94 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
95 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
96 | .irq = IRQ_IXP4XX_UART2, | |
97 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
98 | .iotype = UPIO_MEM, | |
99 | .regshift = 2, | |
100 | .uartclk = IXP4XX_UART_XTAL, | |
101 | }, | |
102 | { }, | |
103 | }; | |
104 | ||
105 | static struct platform_device avila_uart = { | |
106 | .name = "serial8250", | |
107 | .id = PLAT8250_DEV_PLATFORM, | |
108 | .dev.platform_data = avila_uart_data, | |
109 | .num_resources = 2, | |
110 | .resource = avila_uart_resources | |
111 | }; | |
112 | ||
946acb1c MLJ |
113 | static struct resource avila_pata_resources[] = { |
114 | { | |
115 | .flags = IORESOURCE_MEM | |
116 | }, | |
117 | { | |
118 | .flags = IORESOURCE_MEM, | |
119 | }, | |
120 | { | |
121 | .name = "intrq", | |
122 | .start = IRQ_IXP4XX_GPIO12, | |
123 | .end = IRQ_IXP4XX_GPIO12, | |
124 | .flags = IORESOURCE_IRQ, | |
125 | }, | |
126 | }; | |
127 | ||
128 | static struct ixp4xx_pata_data avila_pata_data = { | |
129 | .cs0_bits = 0xbfff0043, | |
130 | .cs1_bits = 0xbfff0043, | |
131 | }; | |
132 | ||
133 | static struct platform_device avila_pata = { | |
134 | .name = "pata_ixp4xx_cf", | |
135 | .id = 0, | |
136 | .dev.platform_data = &avila_pata_data, | |
137 | .num_resources = ARRAY_SIZE(avila_pata_resources), | |
138 | .resource = avila_pata_resources, | |
139 | }; | |
140 | ||
0f185971 | 141 | static struct platform_device *avila_devices[] __initdata = { |
5a4a2387 | 142 | &avila_i2c_gpio, |
0f185971 MLJ |
143 | &avila_flash, |
144 | &avila_uart | |
145 | }; | |
146 | ||
147 | static void __init avila_init(void) | |
148 | { | |
149 | ixp4xx_sys_init(); | |
150 | ||
151 | avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); | |
152 | avila_flash_resource.end = | |
153 | IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; | |
154 | ||
b2e63555 LW |
155 | gpiod_add_lookup_table(&avila_i2c_gpiod_table); |
156 | ||
0f185971 | 157 | platform_add_devices(avila_devices, ARRAY_SIZE(avila_devices)); |
946acb1c MLJ |
158 | |
159 | avila_pata_resources[0].start = IXP4XX_EXP_BUS_BASE(1); | |
160 | avila_pata_resources[0].end = IXP4XX_EXP_BUS_END(1); | |
161 | ||
162 | avila_pata_resources[1].start = IXP4XX_EXP_BUS_BASE(2); | |
163 | avila_pata_resources[1].end = IXP4XX_EXP_BUS_END(2); | |
164 | ||
165 | avila_pata_data.cs0_cfg = IXP4XX_EXP_CS1; | |
166 | avila_pata_data.cs1_cfg = IXP4XX_EXP_CS2; | |
167 | ||
168 | platform_device_register(&avila_pata); | |
169 | ||
0f185971 MLJ |
170 | } |
171 | ||
172 | MACHINE_START(AVILA, "Gateworks Avila Network Platform") | |
173 | /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */ | |
0f185971 | 174 | .map_io = ixp4xx_map_io, |
f449588c | 175 | .init_early = ixp4xx_init_early, |
0f185971 | 176 | .init_irq = ixp4xx_init_irq, |
6bb27d73 | 177 | .init_time = ixp4xx_timer_init, |
e022c729 | 178 | .atag_offset = 0x100, |
0f185971 | 179 | .init_machine = avila_init, |
7553ee77 NP |
180 | #if defined(CONFIG_PCI) |
181 | .dma_zone_size = SZ_64M, | |
182 | #endif | |
d1b860fb | 183 | .restart = ixp4xx_restart, |
0f185971 MLJ |
184 | MACHINE_END |
185 | ||
186 | /* | |
187 | * Loft is functionally equivalent to Avila except that it has a | |
188 | * different number for the maximum PCI devices. The MACHINE | |
189 | * structure below is identical to Avila except for the comment. | |
190 | */ | |
191 | #ifdef CONFIG_MACH_LOFT | |
192 | MACHINE_START(LOFT, "Giant Shoulder Inc Loft board") | |
193 | /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */ | |
0f185971 | 194 | .map_io = ixp4xx_map_io, |
f449588c | 195 | .init_early = ixp4xx_init_early, |
0f185971 | 196 | .init_irq = ixp4xx_init_irq, |
6bb27d73 | 197 | .init_time = ixp4xx_timer_init, |
e022c729 | 198 | .atag_offset = 0x100, |
0f185971 | 199 | .init_machine = avila_init, |
7553ee77 NP |
200 | #if defined(CONFIG_PCI) |
201 | .dma_zone_size = SZ_64M, | |
202 | #endif | |
d1b860fb | 203 | .restart = ixp4xx_restart, |
0f185971 MLJ |
204 | MACHINE_END |
205 | #endif | |
206 |