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Linux/arch/arm/mach-ixp4xx/omixp-setup.c

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  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 #include <mach/hardware.h>
 31 
 32 static struct resource omixp_flash_resources[] = {
 33         {
 34                 .flags  = IORESOURCE_MEM,
 35         }, {
 36                 .flags  = IORESOURCE_MEM,
 37         },
 38 };
 39 
 40 static struct mtd_partition omixp_partitions[] = {
 41         {
 42                 .name =         "Recovery Bootloader",
 43                 .size =         0x00020000,
 44                 .offset =       0,
 45         }, {
 46                 .name =         "Calibration Data",
 47                 .size =         0x00020000,
 48                 .offset =       0x00020000,
 49         }, {
 50                 .name =         "Recovery FPGA",
 51                 .size =         0x00020000,
 52                 .offset =       0x00040000,
 53         }, {
 54                 .name =         "Release Bootloader",
 55                 .size =         0x00020000,
 56                 .offset =       0x00060000,
 57         }, {
 58                 .name =         "Release FPGA",
 59                 .size =         0x00020000,
 60                 .offset =       0x00080000,
 61         }, {
 62                 .name =         "Kernel",
 63                 .size =         0x00160000,
 64                 .offset =       0x000a0000,
 65         }, {
 66                 .name =         "Filesystem",
 67                 .size =         0x00C00000,
 68                 .offset =       0x00200000,
 69         }, {
 70                 .name =         "Persistent Storage",
 71                 .size =         0x00200000,
 72                 .offset =       0x00E00000,
 73         },
 74 };
 75 
 76 static struct flash_platform_data omixp_flash_data[] = {
 77         {
 78                 .map_name       = "cfi_probe",
 79                 .parts          = omixp_partitions,
 80                 .nr_parts       = ARRAY_SIZE(omixp_partitions),
 81         }, {
 82                 .map_name       = "cfi_probe",
 83                 .parts          = NULL,
 84                 .nr_parts       = 0,
 85         },
 86 };
 87 
 88 static struct platform_device omixp_flash_device[] = {
 89         {
 90                 .name           = "IXP4XX-Flash",
 91                 .id             = 0,
 92                 .dev = {
 93                         .platform_data = &omixp_flash_data[0],
 94                 },
 95                 .resource = &omixp_flash_resources[0],
 96                 .num_resources = 1,
 97         }, {
 98                 .name           = "IXP4XX-Flash",
 99                 .id             = 1,
100                 .dev = {
101                         .platform_data = &omixp_flash_data[1],
102                 },
103                 .resource = &omixp_flash_resources[1],
104                 .num_resources = 1,
105         },
106 };
107 
108 /* Swap UART's - These boards have the console on UART2. The following
109  * configuration is used:
110  *      ttyS0 .. UART2
111  *      ttyS1 .. UART1
112  * This way standard images can be used with the kernel that expect
113  * the console on ttyS0.
114  */
115 static struct resource omixp_uart_resources[] = {
116         {
117                 .start          = IXP4XX_UART2_BASE_PHYS,
118                 .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
119                 .flags          = IORESOURCE_MEM,
120         }, {
121                 .start          = IXP4XX_UART1_BASE_PHYS,
122                 .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
123                 .flags          = IORESOURCE_MEM,
124         },
125 };
126 
127 static struct plat_serial8250_port omixp_uart_data[] = {
128         {
129                 .mapbase        = IXP4XX_UART2_BASE_PHYS,
130                 .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
131                 .irq            = IRQ_IXP4XX_UART2,
132                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
133                 .iotype         = UPIO_MEM,
134                 .regshift       = 2,
135                 .uartclk        = IXP4XX_UART_XTAL,
136         }, {
137                 .mapbase        = IXP4XX_UART1_BASE_PHYS,
138                 .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
139                 .irq            = IRQ_IXP4XX_UART1,
140                 .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
141                 .iotype         = UPIO_MEM,
142                 .regshift       = 2,
143                 .uartclk        = IXP4XX_UART_XTAL,
144         }, {
145                 /* list termination */
146         }
147 };
148 
149 static struct platform_device omixp_uart = {
150         .name                   = "serial8250",
151         .id                     = PLAT8250_DEV_PLATFORM,
152         .dev.platform_data      = omixp_uart_data,
153         .num_resources          = 2,
154         .resource               = omixp_uart_resources,
155 };
156 
157 static struct gpio_led mic256_led_pins[] = {
158         {
159                 .name           = "LED-A",
160                 .gpio           = 7,
161         },
162 };
163 
164 static struct gpio_led_platform_data mic256_led_data = {
165         .num_leds               = ARRAY_SIZE(mic256_led_pins),
166         .leds                   = mic256_led_pins,
167 };
168 
169 static struct platform_device mic256_leds = {
170         .name                   = "leds-gpio",
171         .id                     = -1,
172         .dev.platform_data      = &mic256_led_data,
173 };
174 
175 /* Built-in 10/100 Ethernet MAC interfaces */
176 static struct eth_plat_info ixdp425_plat_eth[] = {
177         {
178                 .phy            = 0,
179                 .rxq            = 3,
180                 .txreadyq       = 20,
181         }, {
182                 .phy            = 1,
183                 .rxq            = 4,
184                 .txreadyq       = 21,
185         },
186 };
187 
188 static struct platform_device ixdp425_eth[] = {
189         {
190                 .name                   = "ixp4xx_eth",
191                 .id                     = IXP4XX_ETH_NPEB,
192                 .dev.platform_data      = ixdp425_plat_eth,
193         }, {
194                 .name                   = "ixp4xx_eth",
195                 .id                     = IXP4XX_ETH_NPEC,
196                 .dev.platform_data      = ixdp425_plat_eth + 1,
197         },
198 };
199 
200 
201 static struct platform_device *devixp_pldev[] __initdata = {
202         &omixp_uart,
203         &omixp_flash_device[0],
204         &ixdp425_eth[0],
205         &ixdp425_eth[1],
206 };
207 
208 static struct platform_device *mic256_pldev[] __initdata = {
209         &omixp_uart,
210         &omixp_flash_device[0],
211         &mic256_leds,
212         &ixdp425_eth[0],
213         &ixdp425_eth[1],
214 };
215 
216 static struct platform_device *miccpt_pldev[] __initdata = {
217         &omixp_uart,
218         &omixp_flash_device[0],
219         &omixp_flash_device[1],
220         &ixdp425_eth[0],
221         &ixdp425_eth[1],
222 };
223 
224 static void __init omixp_init(void)
225 {
226         ixp4xx_sys_init();
227 
228         /* 16MiB Boot Flash */
229         omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);
230         omixp_flash_resources[0].end   = IXP4XX_EXP_BUS_END(0);
231 
232         /* 32 MiB Data Flash */
233         omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
234         omixp_flash_resources[1].end   = IXP4XX_EXP_BUS_END(2);
235 
236         if (machine_is_devixp())
237                 platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));
238         else if (machine_is_miccpt())
239                 platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));
240         else if (machine_is_mic256())
241                 platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));
242 }
243 
244 #ifdef CONFIG_MACH_DEVIXP
245 MACHINE_START(DEVIXP, "Omicron DEVIXP")
246         .atag_offset    = 0x100,
247         .map_io         = ixp4xx_map_io,
248         .init_early     = ixp4xx_init_early,
249         .init_irq       = ixp4xx_init_irq,
250         .init_time      = ixp4xx_timer_init,
251         .init_machine   = omixp_init,
252         .restart        = ixp4xx_restart,
253 MACHINE_END
254 #endif
255 
256 #ifdef CONFIG_MACH_MICCPT
257 MACHINE_START(MICCPT, "Omicron MICCPT")
258         .atag_offset    = 0x100,
259         .map_io         = ixp4xx_map_io,
260         .init_early     = ixp4xx_init_early,
261         .init_irq       = ixp4xx_init_irq,
262         .init_time      = ixp4xx_timer_init,
263         .init_machine   = omixp_init,
264 #if defined(CONFIG_PCI)
265         .dma_zone_size  = SZ_64M,
266 #endif
267         .restart        = ixp4xx_restart,
268 MACHINE_END
269 #endif
270 
271 #ifdef CONFIG_MACH_MIC256
272 MACHINE_START(MIC256, "Omicron MIC256")
273         .atag_offset    = 0x100,
274         .map_io         = ixp4xx_map_io,
275         .init_early     = ixp4xx_init_early,
276         .init_irq       = ixp4xx_init_irq,
277         .init_time      = ixp4xx_timer_init,
278         .init_machine   = omixp_init,
279         .restart        = ixp4xx_restart,
280 MACHINE_END
281 #endif
282 

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