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2b8f0119 RC |
1 | /* |
2 | * arch/arm/mach-ixp4xx/omixp-setup.c | |
3 | * | |
4 | * omicron ixp4xx board setup | |
5 | * Copyright (C) 2009 OMICRON electronics GmbH | |
6 | * | |
7 | * based nslu2-setup.c, ixdp425-setup.c: | |
8 | * Copyright (C) 2003-2004 MontaVista Software, Inc. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/serial.h> | |
17 | #include <linux/serial_8250.h> | |
18 | #include <linux/mtd/mtd.h> | |
19 | #include <linux/mtd/partitions.h> | |
20 | #ifdef CONFIG_LEDS_CLASS | |
21 | #include <linux/leds.h> | |
22 | #endif | |
23 | ||
24 | #include <asm/setup.h> | |
25 | #include <asm/memory.h> | |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/flash.h> | |
29 | ||
30 | static struct resource omixp_flash_resources[] = { | |
31 | { | |
32 | .flags = IORESOURCE_MEM, | |
33 | }, { | |
34 | .flags = IORESOURCE_MEM, | |
35 | }, | |
36 | }; | |
37 | ||
38 | static struct mtd_partition omixp_partitions[] = { | |
39 | { | |
40 | .name = "Recovery Bootloader", | |
41 | .size = 0x00020000, | |
42 | .offset = 0, | |
43 | }, { | |
44 | .name = "Calibration Data", | |
45 | .size = 0x00020000, | |
46 | .offset = 0x00020000, | |
47 | }, { | |
48 | .name = "Recovery FPGA", | |
49 | .size = 0x00020000, | |
50 | .offset = 0x00040000, | |
51 | }, { | |
52 | .name = "Release Bootloader", | |
53 | .size = 0x00020000, | |
54 | .offset = 0x00060000, | |
55 | }, { | |
56 | .name = "Release FPGA", | |
57 | .size = 0x00020000, | |
58 | .offset = 0x00080000, | |
59 | }, { | |
60 | .name = "Kernel", | |
61 | .size = 0x00160000, | |
62 | .offset = 0x000a0000, | |
63 | }, { | |
64 | .name = "Filesystem", | |
65 | .size = 0x00C00000, | |
66 | .offset = 0x00200000, | |
67 | }, { | |
68 | .name = "Persistent Storage", | |
69 | .size = 0x00200000, | |
70 | .offset = 0x00E00000, | |
71 | }, | |
72 | }; | |
73 | ||
74 | static struct flash_platform_data omixp_flash_data[] = { | |
75 | { | |
76 | .map_name = "cfi_probe", | |
77 | .parts = omixp_partitions, | |
78 | .nr_parts = ARRAY_SIZE(omixp_partitions), | |
79 | }, { | |
80 | .map_name = "cfi_probe", | |
81 | .parts = NULL, | |
82 | .nr_parts = 0, | |
83 | }, | |
84 | }; | |
85 | ||
86 | static struct platform_device omixp_flash_device[] = { | |
87 | { | |
88 | .name = "IXP4XX-Flash", | |
89 | .id = 0, | |
90 | .dev = { | |
91 | .platform_data = &omixp_flash_data[0], | |
92 | }, | |
93 | .resource = &omixp_flash_resources[0], | |
94 | .num_resources = 1, | |
95 | }, { | |
96 | .name = "IXP4XX-Flash", | |
97 | .id = 1, | |
98 | .dev = { | |
99 | .platform_data = &omixp_flash_data[1], | |
100 | }, | |
101 | .resource = &omixp_flash_resources[1], | |
102 | .num_resources = 1, | |
103 | }, | |
104 | }; | |
105 | ||
106 | /* Swap UART's - These boards have the console on UART2. The following | |
107 | * configuration is used: | |
108 | * ttyS0 .. UART2 | |
109 | * ttyS1 .. UART1 | |
110 | * This way standard images can be used with the kernel that expect | |
111 | * the console on ttyS0. | |
112 | */ | |
113 | static struct resource omixp_uart_resources[] = { | |
114 | { | |
115 | .start = IXP4XX_UART2_BASE_PHYS, | |
116 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
117 | .flags = IORESOURCE_MEM, | |
118 | }, { | |
119 | .start = IXP4XX_UART1_BASE_PHYS, | |
120 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | |
121 | .flags = IORESOURCE_MEM, | |
122 | }, | |
123 | }; | |
124 | ||
125 | static struct plat_serial8250_port omixp_uart_data[] = { | |
126 | { | |
127 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
128 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
129 | .irq = IRQ_IXP4XX_UART2, | |
130 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
131 | .iotype = UPIO_MEM, | |
132 | .regshift = 2, | |
133 | .uartclk = IXP4XX_UART_XTAL, | |
134 | }, { | |
135 | .mapbase = IXP4XX_UART1_BASE_PHYS, | |
136 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | |
137 | .irq = IRQ_IXP4XX_UART1, | |
138 | .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | |
139 | .iotype = UPIO_MEM, | |
140 | .regshift = 2, | |
141 | .uartclk = IXP4XX_UART_XTAL, | |
142 | }, { | |
143 | /* list termination */ | |
144 | } | |
145 | }; | |
146 | ||
147 | static struct platform_device omixp_uart = { | |
148 | .name = "serial8250", | |
149 | .id = PLAT8250_DEV_PLATFORM, | |
150 | .dev.platform_data = omixp_uart_data, | |
151 | .num_resources = 2, | |
152 | .resource = omixp_uart_resources, | |
153 | }; | |
154 | ||
155 | static struct gpio_led mic256_led_pins[] = { | |
156 | { | |
157 | .name = "LED-A", | |
158 | .gpio = 7, | |
159 | }, | |
160 | }; | |
161 | ||
162 | static struct gpio_led_platform_data mic256_led_data = { | |
163 | .num_leds = ARRAY_SIZE(mic256_led_pins), | |
164 | .leds = mic256_led_pins, | |
165 | }; | |
166 | ||
167 | static struct platform_device mic256_leds = { | |
168 | .name = "leds-gpio", | |
169 | .id = -1, | |
170 | .dev.platform_data = &mic256_led_data, | |
171 | }; | |
172 | ||
173 | /* Built-in 10/100 Ethernet MAC interfaces */ | |
174 | static struct eth_plat_info ixdp425_plat_eth[] = { | |
175 | { | |
176 | .phy = 0, | |
177 | .rxq = 3, | |
178 | .txreadyq = 20, | |
179 | }, { | |
180 | .phy = 1, | |
181 | .rxq = 4, | |
182 | .txreadyq = 21, | |
183 | }, | |
184 | }; | |
185 | ||
186 | static struct platform_device ixdp425_eth[] = { | |
187 | { | |
188 | .name = "ixp4xx_eth", | |
189 | .id = IXP4XX_ETH_NPEB, | |
190 | .dev.platform_data = ixdp425_plat_eth, | |
191 | }, { | |
192 | .name = "ixp4xx_eth", | |
193 | .id = IXP4XX_ETH_NPEC, | |
194 | .dev.platform_data = ixdp425_plat_eth + 1, | |
195 | }, | |
196 | }; | |
197 | ||
198 | ||
199 | static struct platform_device *devixp_pldev[] __initdata = { | |
200 | &omixp_uart, | |
201 | &omixp_flash_device[0], | |
202 | &ixdp425_eth[0], | |
203 | &ixdp425_eth[1], | |
204 | }; | |
205 | ||
206 | static struct platform_device *mic256_pldev[] __initdata = { | |
207 | &omixp_uart, | |
208 | &omixp_flash_device[0], | |
209 | &mic256_leds, | |
210 | &ixdp425_eth[0], | |
211 | &ixdp425_eth[1], | |
212 | }; | |
213 | ||
214 | static struct platform_device *miccpt_pldev[] __initdata = { | |
215 | &omixp_uart, | |
216 | &omixp_flash_device[0], | |
217 | &omixp_flash_device[1], | |
218 | &ixdp425_eth[0], | |
219 | &ixdp425_eth[1], | |
220 | }; | |
221 | ||
222 | static void __init omixp_init(void) | |
223 | { | |
224 | ixp4xx_sys_init(); | |
225 | ||
226 | /* 16MiB Boot Flash */ | |
227 | omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0); | |
228 | omixp_flash_resources[0].end = IXP4XX_EXP_BUS_END(0); | |
229 | ||
230 | /* 32 MiB Data Flash */ | |
231 | omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2); | |
232 | omixp_flash_resources[1].end = IXP4XX_EXP_BUS_END(2); | |
233 | ||
234 | if (machine_is_devixp()) | |
235 | platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev)); | |
236 | else if (machine_is_miccpt()) | |
237 | platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev)); | |
238 | else if (machine_is_mic256()) | |
239 | platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev)); | |
240 | } | |
241 | ||
242 | #ifdef CONFIG_MACH_DEVIXP | |
243 | MACHINE_START(DEVIXP, "Omicron DEVIXP") | |
a7fadac1 | 244 | .atag_offset = 0x100, |
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245 | .map_io = ixp4xx_map_io, |
246 | .init_irq = ixp4xx_init_irq, | |
247 | .timer = &ixp4xx_timer, | |
248 | .init_machine = omixp_init, | |
d1b860fb | 249 | .restart = ixp4xx_restart, |
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250 | MACHINE_END |
251 | #endif | |
252 | ||
253 | #ifdef CONFIG_MACH_MICCPT | |
254 | MACHINE_START(MICCPT, "Omicron MICCPT") | |
a7fadac1 | 255 | .atag_offset = 0x100, |
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256 | .map_io = ixp4xx_map_io, |
257 | .init_irq = ixp4xx_init_irq, | |
258 | .timer = &ixp4xx_timer, | |
259 | .init_machine = omixp_init, | |
260 | #if defined(CONFIG_PCI) | |
261 | .dma_zone_size = SZ_64M, | |
262 | #endif | |
d1b860fb | 263 | .restart = ixp4xx_restart, |
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264 | MACHINE_END |
265 | #endif | |
266 | ||
267 | #ifdef CONFIG_MACH_MIC256 | |
268 | MACHINE_START(MIC256, "Omicron MIC256") | |
a7fadac1 | 269 | .atag_offset = 0x100, |
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270 | .map_io = ixp4xx_map_io, |
271 | .init_irq = ixp4xx_init_irq, | |
272 | .timer = &ixp4xx_timer, | |
273 | .init_machine = omixp_init, | |
d1b860fb | 274 | .restart = ixp4xx_restart, |
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275 | MACHINE_END |
276 | #endif |