Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-pxa/lubbock.c |
| 3 | * |
| 4 | * Support for the Intel DBPXA250 Development Platform. |
| 5 | * |
| 6 | * Author: Nicolas Pitre |
| 7 | * Created: Jun 15, 2001 |
| 8 | * Copyright: 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 | #include <linux/module.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 17 | #include <linux/platform_device.h> |
Nicolas Pitre | 22f11c4 | 2005-06-16 21:23:56 +0100 | [diff] [blame] | 18 | #include <linux/sysdev.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/major.h> |
| 20 | #include <linux/fb.h> |
| 21 | #include <linux/interrupt.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 22 | #include <linux/mtd/mtd.h> |
| 23 | #include <linux/mtd/partitions.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 25 | #include <linux/spi/spi.h> |
| 26 | #include <linux/spi/ads7846.h> |
| 27 | #include <asm/arch/pxa2xx_spi.h> |
| 28 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include <asm/setup.h> |
| 30 | #include <asm/memory.h> |
| 31 | #include <asm/mach-types.h> |
| 32 | #include <asm/hardware.h> |
| 33 | #include <asm/irq.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 34 | #include <asm/sizes.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
| 36 | #include <asm/mach/arch.h> |
| 37 | #include <asm/mach/map.h> |
| 38 | #include <asm/mach/irq.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 39 | #include <asm/mach/flash.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
| 41 | #include <asm/hardware/sa1111.h> |
| 42 | |
| 43 | #include <asm/arch/pxa-regs.h> |
Russell King | 8785a8f | 2008-01-14 17:02:33 +0000 | [diff] [blame] | 44 | #include <asm/arch/pxa2xx-regs.h> |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 45 | #include <asm/arch/mfp-pxa25x.h> |
Mark Brown | 9f19d63 | 2008-06-10 12:30:05 +0100 | [diff] [blame^] | 46 | #include <asm/arch/audio.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #include <asm/arch/lubbock.h> |
| 48 | #include <asm/arch/udc.h> |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 49 | #include <asm/arch/irda.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #include <asm/arch/pxafb.h> |
| 51 | #include <asm/arch/mmc.h> |
| 52 | |
| 53 | #include "generic.h" |
Russell King | 46c41e6 | 2007-05-15 15:39:36 +0100 | [diff] [blame] | 54 | #include "devices.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 56 | static unsigned long lubbock_pin_config[] __initdata = { |
| 57 | GPIO15_nCS_1, /* CS1 - Flash */ |
| 58 | GPIO79_nCS_3, /* CS3 - SMC ethernet */ |
| 59 | |
| 60 | /* SSP data pins */ |
| 61 | GPIO23_SSP1_SCLK, |
| 62 | GPIO25_SSP1_TXD, |
| 63 | GPIO26_SSP1_RXD, |
| 64 | |
| 65 | /* BTUART */ |
| 66 | GPIO42_BTUART_RXD, |
| 67 | GPIO43_BTUART_TXD, |
| 68 | GPIO44_BTUART_CTS, |
| 69 | GPIO45_BTUART_RTS, |
| 70 | |
| 71 | /* PC Card */ |
| 72 | GPIO48_nPOE, |
| 73 | GPIO49_nPWE, |
| 74 | GPIO50_nPIOR, |
| 75 | GPIO51_nPIOW, |
| 76 | GPIO52_nPCE_1, |
| 77 | GPIO53_nPCE_2, |
| 78 | GPIO54_nPSKTSEL, |
| 79 | GPIO55_nPREG, |
| 80 | GPIO56_nPWAIT, |
| 81 | GPIO57_nIOIS16, |
| 82 | |
| 83 | /* MMC */ |
| 84 | GPIO6_MMC_CLK, |
| 85 | GPIO8_MMC_CS0, |
| 86 | |
| 87 | /* wakeup */ |
| 88 | GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, |
| 89 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | |
| 91 | #define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080) |
| 92 | |
| 93 | void lubbock_set_misc_wr(unsigned int mask, unsigned int set) |
| 94 | { |
| 95 | unsigned long flags; |
| 96 | |
| 97 | local_irq_save(flags); |
| 98 | LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask); |
| 99 | local_irq_restore(flags); |
| 100 | } |
| 101 | EXPORT_SYMBOL(lubbock_set_misc_wr); |
| 102 | |
| 103 | static unsigned long lubbock_irq_enabled; |
| 104 | |
| 105 | static void lubbock_mask_irq(unsigned int irq) |
| 106 | { |
| 107 | int lubbock_irq = (irq - LUBBOCK_IRQ(0)); |
| 108 | LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq)); |
| 109 | } |
| 110 | |
| 111 | static void lubbock_unmask_irq(unsigned int irq) |
| 112 | { |
| 113 | int lubbock_irq = (irq - LUBBOCK_IRQ(0)); |
| 114 | /* the irq can be acknowledged only if deasserted, so it's done here */ |
| 115 | LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq); |
| 116 | LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq)); |
| 117 | } |
| 118 | |
David Brownell | 38c677c | 2006-08-01 22:26:25 +0100 | [diff] [blame] | 119 | static struct irq_chip lubbock_irq_chip = { |
| 120 | .name = "FPGA", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | .ack = lubbock_mask_irq, |
| 122 | .mask = lubbock_mask_irq, |
| 123 | .unmask = lubbock_unmask_irq, |
| 124 | }; |
| 125 | |
Russell King | 10dd5ce | 2006-11-23 11:41:32 +0000 | [diff] [blame] | 126 | static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | { |
| 128 | unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; |
| 129 | do { |
| 130 | GEDR(0) = GPIO_bit(0); /* clear our parent irq */ |
| 131 | if (likely(pending)) { |
| 132 | irq = LUBBOCK_IRQ(0) + __ffs(pending); |
| 133 | desc = irq_desc + irq; |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 134 | desc_handle_irq(irq, desc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | } |
| 136 | pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; |
| 137 | } while (pending); |
| 138 | } |
| 139 | |
| 140 | static void __init lubbock_init_irq(void) |
| 141 | { |
| 142 | int irq; |
| 143 | |
Eric Miao | cd49104 | 2007-06-22 04:14:09 +0100 | [diff] [blame] | 144 | pxa25x_init_irq(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | |
| 146 | /* setup extra lubbock irqs */ |
| 147 | for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) { |
| 148 | set_irq_chip(irq, &lubbock_irq_chip); |
Russell King | 10dd5ce | 2006-11-23 11:41:32 +0000 | [diff] [blame] | 149 | set_irq_handler(irq, handle_level_irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); |
| 151 | } |
| 152 | |
| 153 | set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler); |
| 154 | set_irq_type(IRQ_GPIO(0), IRQT_FALLING); |
| 155 | } |
| 156 | |
Nicolas Pitre | 22f11c4 | 2005-06-16 21:23:56 +0100 | [diff] [blame] | 157 | #ifdef CONFIG_PM |
| 158 | |
| 159 | static int lubbock_irq_resume(struct sys_device *dev) |
| 160 | { |
| 161 | LUB_IRQ_MASK_EN = lubbock_irq_enabled; |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | static struct sysdev_class lubbock_irq_sysclass = { |
Kay Sievers | af5ca3f | 2007-12-20 02:09:39 +0100 | [diff] [blame] | 166 | .name = "cpld_irq", |
Nicolas Pitre | 22f11c4 | 2005-06-16 21:23:56 +0100 | [diff] [blame] | 167 | .resume = lubbock_irq_resume, |
| 168 | }; |
| 169 | |
| 170 | static struct sys_device lubbock_irq_device = { |
| 171 | .cls = &lubbock_irq_sysclass, |
| 172 | }; |
| 173 | |
| 174 | static int __init lubbock_irq_device_init(void) |
| 175 | { |
Russell King | 16f159b | 2007-12-10 13:33:06 +0000 | [diff] [blame] | 176 | int ret = -ENODEV; |
| 177 | |
| 178 | if (machine_is_lubbock()) { |
| 179 | ret = sysdev_class_register(&lubbock_irq_sysclass); |
| 180 | if (ret == 0) |
| 181 | ret = sysdev_register(&lubbock_irq_device); |
| 182 | } |
Nicolas Pitre | 22f11c4 | 2005-06-16 21:23:56 +0100 | [diff] [blame] | 183 | return ret; |
| 184 | } |
| 185 | |
| 186 | device_initcall(lubbock_irq_device_init); |
| 187 | |
| 188 | #endif |
| 189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | static int lubbock_udc_is_connected(void) |
| 191 | { |
| 192 | return (LUB_MISC_RD & (1 << 9)) == 0; |
| 193 | } |
| 194 | |
| 195 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
| 196 | .udc_is_connected = lubbock_udc_is_connected, |
| 197 | // no D+ pullup; lubbock can't connect/disconnect in software |
| 198 | }; |
| 199 | |
| 200 | static struct resource sa1111_resources[] = { |
| 201 | [0] = { |
| 202 | .start = 0x10000000, |
| 203 | .end = 0x10001fff, |
| 204 | .flags = IORESOURCE_MEM, |
| 205 | }, |
| 206 | [1] = { |
| 207 | .start = LUBBOCK_SA1111_IRQ, |
| 208 | .end = LUBBOCK_SA1111_IRQ, |
| 209 | .flags = IORESOURCE_IRQ, |
| 210 | }, |
| 211 | }; |
| 212 | |
| 213 | static struct platform_device sa1111_device = { |
| 214 | .name = "sa1111", |
| 215 | .id = -1, |
| 216 | .num_resources = ARRAY_SIZE(sa1111_resources), |
| 217 | .resource = sa1111_resources, |
| 218 | }; |
| 219 | |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 220 | /* ADS7846 is connected through SSP ... and if your board has J5 populated, |
| 221 | * you can select it to replace the ucb1400 by switching the touchscreen cable |
| 222 | * (to J5) and poking board registers (as done below). Else it's only useful |
| 223 | * for the temperature sensors. |
| 224 | */ |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 225 | static struct pxa2xx_spi_master pxa_ssp_master_info = { |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 226 | .num_chipselect = 0, |
| 227 | }; |
| 228 | |
| 229 | static struct platform_device pxa_ssp = { |
| 230 | .name = "pxa2xx-spi", |
| 231 | .id = 1, |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 232 | .dev = { |
| 233 | .platform_data = &pxa_ssp_master_info, |
| 234 | }, |
| 235 | }; |
| 236 | |
| 237 | static int lubbock_ads7846_pendown_state(void) |
| 238 | { |
| 239 | /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */ |
| 240 | return 0; |
| 241 | } |
| 242 | |
| 243 | static struct ads7846_platform_data ads_info = { |
| 244 | .model = 7846, |
| 245 | .vref_delay_usecs = 100, /* internal, no cap */ |
| 246 | .get_pendown_state = lubbock_ads7846_pendown_state, |
| 247 | // .x_plate_ohms = 500, /* GUESS! */ |
| 248 | // .y_plate_ohms = 500, /* GUESS! */ |
| 249 | }; |
| 250 | |
| 251 | static void ads7846_cs(u32 command) |
| 252 | { |
| 253 | static const unsigned TS_nCS = 1 << 11; |
| 254 | lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS); |
| 255 | } |
| 256 | |
| 257 | static struct pxa2xx_spi_chip ads_hw = { |
| 258 | .tx_threshold = 1, |
| 259 | .rx_threshold = 2, |
| 260 | .cs_control = ads7846_cs, |
| 261 | }; |
| 262 | |
| 263 | static struct spi_board_info spi_board_info[] __initdata = { { |
| 264 | .modalias = "ads7846", |
| 265 | .platform_data = &ads_info, |
| 266 | .controller_data = &ads_hw, |
| 267 | .irq = LUBBOCK_BB_IRQ, |
| 268 | .max_speed_hz = 120000 /* max sample rate at 3V */ |
| 269 | * 26 /* command + data + overhead */, |
| 270 | .bus_num = 1, |
| 271 | .chip_select = 0, |
| 272 | }, |
| 273 | }; |
| 274 | |
Russell King | e21e2d4 | 2008-04-13 17:38:55 +0100 | [diff] [blame] | 275 | static struct resource smc91x_resources[] = { |
| 276 | [0] = { |
| 277 | .name = "smc91x-regs", |
| 278 | .start = 0x0c000c00, |
| 279 | .end = 0x0c0fffff, |
| 280 | .flags = IORESOURCE_MEM, |
| 281 | }, |
| 282 | [1] = { |
| 283 | .start = LUBBOCK_ETH_IRQ, |
| 284 | .end = LUBBOCK_ETH_IRQ, |
| 285 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| 286 | }, |
| 287 | [2] = { |
| 288 | .name = "smc91x-attrib", |
| 289 | .start = 0x0e000000, |
| 290 | .end = 0x0e0fffff, |
| 291 | .flags = IORESOURCE_MEM, |
| 292 | }, |
| 293 | }; |
| 294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | static struct platform_device smc91x_device = { |
| 296 | .name = "smc91x", |
| 297 | .id = -1, |
| 298 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 299 | .resource = smc91x_resources, |
| 300 | }; |
| 301 | |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 302 | static struct resource flash_resources[] = { |
| 303 | [0] = { |
| 304 | .start = 0x00000000, |
| 305 | .end = SZ_64M - 1, |
| 306 | .flags = IORESOURCE_MEM, |
| 307 | }, |
| 308 | [1] = { |
| 309 | .start = 0x04000000, |
| 310 | .end = 0x04000000 + SZ_64M - 1, |
| 311 | .flags = IORESOURCE_MEM, |
| 312 | }, |
| 313 | }; |
| 314 | |
| 315 | static struct mtd_partition lubbock_partitions[] = { |
| 316 | { |
| 317 | .name = "Bootloader", |
| 318 | .size = 0x00040000, |
| 319 | .offset = 0, |
| 320 | .mask_flags = MTD_WRITEABLE /* force read-only */ |
| 321 | },{ |
| 322 | .name = "Kernel", |
| 323 | .size = 0x00100000, |
| 324 | .offset = 0x00040000, |
| 325 | },{ |
| 326 | .name = "Filesystem", |
| 327 | .size = MTDPART_SIZ_FULL, |
| 328 | .offset = 0x00140000 |
| 329 | } |
| 330 | }; |
| 331 | |
| 332 | static struct flash_platform_data lubbock_flash_data[2] = { |
| 333 | { |
| 334 | .map_name = "cfi_probe", |
| 335 | .parts = lubbock_partitions, |
| 336 | .nr_parts = ARRAY_SIZE(lubbock_partitions), |
| 337 | }, { |
| 338 | .map_name = "cfi_probe", |
| 339 | .parts = NULL, |
| 340 | .nr_parts = 0, |
| 341 | } |
| 342 | }; |
| 343 | |
| 344 | static struct platform_device lubbock_flash_device[2] = { |
| 345 | { |
| 346 | .name = "pxa2xx-flash", |
| 347 | .id = 0, |
| 348 | .dev = { |
| 349 | .platform_data = &lubbock_flash_data[0], |
| 350 | }, |
| 351 | .resource = &flash_resources[0], |
| 352 | .num_resources = 1, |
| 353 | }, |
| 354 | { |
| 355 | .name = "pxa2xx-flash", |
| 356 | .id = 1, |
| 357 | .dev = { |
| 358 | .platform_data = &lubbock_flash_data[1], |
| 359 | }, |
| 360 | .resource = &flash_resources[1], |
| 361 | .num_resources = 1, |
| 362 | }, |
| 363 | }; |
| 364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | static struct platform_device *devices[] __initdata = { |
| 366 | &sa1111_device, |
| 367 | &smc91x_device, |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 368 | &lubbock_flash_device[0], |
| 369 | &lubbock_flash_device[1], |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 370 | &pxa_ssp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | }; |
| 372 | |
Richard Purdie | d14b272 | 2006-09-20 22:54:21 +0100 | [diff] [blame] | 373 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | .pixclock = 270000, |
| 375 | .xres = 640, |
| 376 | .yres = 480, |
| 377 | .bpp = 16, |
| 378 | .hsync_len = 1, |
| 379 | .left_margin = 3, |
| 380 | .right_margin = 3, |
| 381 | .vsync_len = 1, |
| 382 | .upper_margin = 0, |
| 383 | .lower_margin = 0, |
| 384 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
| 385 | .cmap_greyscale = 0, |
Richard Purdie | d14b272 | 2006-09-20 22:54:21 +0100 | [diff] [blame] | 386 | }; |
| 387 | |
| 388 | static struct pxafb_mach_info sharp_lm8v31 = { |
| 389 | .modes = &sharp_lm8v31_mode, |
| 390 | .num_modes = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 391 | .cmap_inverse = 0, |
| 392 | .cmap_static = 0, |
eric miao | 0454bd0 | 2008-04-30 00:52:23 -0700 | [diff] [blame] | 393 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
Alexey Dobriyan | ffebabe | 2008-05-08 10:58:39 +0100 | [diff] [blame] | 394 | LCD_AC_BIAS_FREQ(255), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | }; |
| 396 | |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 397 | #define MMC_POLL_RATE msecs_to_jiffies(1000) |
| 398 | |
| 399 | static void lubbock_mmc_poll(unsigned long); |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 400 | static irq_handler_t mmc_detect_int; |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 401 | |
| 402 | static struct timer_list mmc_timer = { |
| 403 | .function = lubbock_mmc_poll, |
| 404 | }; |
| 405 | |
| 406 | static void lubbock_mmc_poll(unsigned long data) |
| 407 | { |
| 408 | unsigned long flags; |
| 409 | |
| 410 | /* clear any previous irq state, then ... */ |
| 411 | local_irq_save(flags); |
| 412 | LUB_IRQ_SET_CLR &= ~(1 << 0); |
| 413 | local_irq_restore(flags); |
| 414 | |
| 415 | /* poll until mmc/sd card is removed */ |
| 416 | if (LUB_IRQ_SET_CLR & (1 << 0)) |
| 417 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); |
| 418 | else { |
Russell King | 2326eb98 | 2006-10-15 13:48:37 +0100 | [diff] [blame] | 419 | (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 420 | enable_irq(LUBBOCK_SD_IRQ); |
| 421 | } |
| 422 | } |
| 423 | |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 424 | static irqreturn_t lubbock_detect_int(int irq, void *data) |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 425 | { |
| 426 | /* IRQ is level triggered; disable, and poll for removal */ |
| 427 | disable_irq(irq); |
| 428 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); |
| 429 | |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 430 | return mmc_detect_int(irq, data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | static int lubbock_mci_init(struct device *dev, |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 434 | irq_handler_t detect_int, |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 435 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | { |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 437 | /* detect card insert/eject */ |
| 438 | mmc_detect_int = detect_int; |
| 439 | init_timer(&mmc_timer); |
| 440 | mmc_timer.data = (unsigned long) data; |
| 441 | return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, |
Thomas Gleixner | 52e405e | 2006-07-03 02:20:05 +0200 | [diff] [blame] | 442 | IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | static int lubbock_mci_get_ro(struct device *dev) |
| 446 | { |
| 447 | return (LUB_MISC_RD & (1 << 2)) != 0; |
| 448 | } |
| 449 | |
| 450 | static void lubbock_mci_exit(struct device *dev, void *data) |
| 451 | { |
| 452 | free_irq(LUBBOCK_SD_IRQ, data); |
| 453 | del_timer_sync(&mmc_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | } |
| 455 | |
| 456 | static struct pxamci_platform_data lubbock_mci_platform_data = { |
| 457 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 458 | .detect_delay = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | .init = lubbock_mci_init, |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 460 | .get_ro = lubbock_mci_get_ro, |
| 461 | .exit = lubbock_mci_exit, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | }; |
| 463 | |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 464 | static void lubbock_irda_transceiver_mode(struct device *dev, int mode) |
| 465 | { |
| 466 | unsigned long flags; |
| 467 | |
| 468 | local_irq_save(flags); |
| 469 | if (mode & IR_SIRMODE) { |
| 470 | LUB_MISC_WR &= ~(1 << 4); |
| 471 | } else if (mode & IR_FIRMODE) { |
| 472 | LUB_MISC_WR |= 1 << 4; |
| 473 | } |
| 474 | local_irq_restore(flags); |
| 475 | } |
| 476 | |
| 477 | static struct pxaficp_platform_data lubbock_ficp_platform_data = { |
| 478 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE, |
| 479 | .transceiver_mode = lubbock_irda_transceiver_mode, |
| 480 | }; |
| 481 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | static void __init lubbock_init(void) |
| 483 | { |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 484 | int flashboot = (LUB_CONF_SWITCHES & 1); |
| 485 | |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 486 | pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config)); |
| 487 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | pxa_set_udc_info(&udc_info); |
| 489 | set_pxa_fb_info(&sharp_lm8v31); |
| 490 | pxa_set_mci_info(&lubbock_mci_platform_data); |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 491 | pxa_set_ficp_info(&lubbock_ficp_platform_data); |
Mark Brown | 9f19d63 | 2008-06-10 12:30:05 +0100 | [diff] [blame^] | 492 | pxa_set_ac97_info(NULL); |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 493 | |
| 494 | lubbock_flash_data[0].width = lubbock_flash_data[1].width = |
| 495 | (BOOT_DEF & 1) ? 2 : 4; |
| 496 | /* Compensate for the nROMBT switch which swaps the flash banks */ |
| 497 | printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", |
| 498 | flashboot?"Flash":"ROM", flashboot); |
| 499 | |
| 500 | lubbock_flash_data[flashboot^1].name = "application-flash"; |
| 501 | lubbock_flash_data[flashboot].name = "boot-rom"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 503 | |
| 504 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | static struct map_desc lubbock_io_desc[] __initdata = { |
Deepak Saxena | 6f9182e | 2005-10-28 15:19:01 +0100 | [diff] [blame] | 508 | { /* CPLD */ |
| 509 | .virtual = LUBBOCK_FPGA_VIRT, |
| 510 | .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS), |
| 511 | .length = 0x00100000, |
| 512 | .type = MT_DEVICE |
| 513 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | }; |
| 515 | |
| 516 | static void __init lubbock_map_io(void) |
| 517 | { |
| 518 | pxa_map_io(); |
| 519 | iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); |
| 520 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | PCFR |= PCFR_OPDE; |
| 522 | } |
| 523 | |
| 524 | MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 525 | /* Maintainer: MontaVista Software Inc. */ |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 526 | .phys_io = 0x40000000, |
Russell King | 68070bd | 2005-07-04 10:44:34 +0100 | [diff] [blame] | 527 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 528 | .map_io = lubbock_map_io, |
| 529 | .init_irq = lubbock_init_irq, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | .timer = &pxa_timer, |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 531 | .init_machine = lubbock_init, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | MACHINE_END |