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 | */ |
Russell King | 2f8163b | 2011-07-26 10:53:52 +0100 | [diff] [blame] | 14 | #include <linux/gpio.h> |
Robert Jarzmik | fc9e38c | 2014-12-14 23:04:14 +0100 | [diff] [blame] | 15 | #include <linux/gpio/machine.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include <linux/module.h> |
| 17 | #include <linux/kernel.h> |
| 18 | #include <linux/init.h> |
Bryan Wu | 55f5d8e | 2012-03-14 02:07:58 +0800 | [diff] [blame] | 19 | #include <linux/io.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 20 | #include <linux/platform_device.h> |
Rafael J. Wysocki | 2eaa03b | 2011-04-22 22:03:11 +0200 | [diff] [blame] | 21 | #include <linux/syscore_ops.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/major.h> |
| 23 | #include <linux/fb.h> |
| 24 | #include <linux/interrupt.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 25 | #include <linux/mtd/mtd.h> |
| 26 | #include <linux/mtd/partitions.h> |
Eric Miao | 3aed74c | 2008-06-24 15:51:02 +0800 | [diff] [blame] | 27 | #include <linux/smc91x.h> |
Bryan Wu | 55f5d8e | 2012-03-14 02:07:58 +0800 | [diff] [blame] | 28 | #include <linux/slab.h> |
| 29 | #include <linux/leds.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 31 | #include <linux/spi/spi.h> |
| 32 | #include <linux/spi/ads7846.h> |
Sebastian Andrzej Siewior | 8348c25 | 2010-11-22 17:12:15 -0800 | [diff] [blame] | 33 | #include <linux/spi/pxa2xx_spi.h> |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 34 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <asm/setup.h> |
| 36 | #include <asm/memory.h> |
| 37 | #include <asm/mach-types.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 38 | #include <mach/hardware.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <asm/irq.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 40 | #include <asm/sizes.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | #include <asm/mach/arch.h> |
| 43 | #include <asm/mach/map.h> |
| 44 | #include <asm/mach/irq.h> |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 45 | #include <asm/mach/flash.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | #include <asm/hardware/sa1111.h> |
| 48 | |
Eric Miao | 51c6298 | 2009-01-02 23:17:22 +0800 | [diff] [blame] | 49 | #include <mach/pxa25x.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 50 | #include <mach/audio.h> |
| 51 | #include <mach/lubbock.h> |
| 52 | #include <mach/udc.h> |
Arnd Bergmann | 293b2da | 2012-08-24 15:16:48 +0200 | [diff] [blame] | 53 | #include <linux/platform_data/irda-pxaficp.h> |
| 54 | #include <linux/platform_data/video-pxafb.h> |
| 55 | #include <linux/platform_data/mmc-pxamci.h> |
Eric Miao | 5438614 | 2009-01-19 18:43:12 +0800 | [diff] [blame] | 56 | #include <mach/pm.h> |
Marek Vasut | ad68bb9 | 2010-11-03 16:29:35 +0100 | [diff] [blame] | 57 | #include <mach/smemc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | #include "generic.h" |
Ian Molton | c1ed406 | 2008-07-26 00:52:36 +0100 | [diff] [blame] | 60 | #include "clock.h" |
Russell King | 46c41e6 | 2007-05-15 15:39:36 +0100 | [diff] [blame] | 61 | #include "devices.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 63 | static unsigned long lubbock_pin_config[] __initdata = { |
| 64 | GPIO15_nCS_1, /* CS1 - Flash */ |
Eric Miao | 4a5c5ea | 2008-09-11 15:42:10 +0800 | [diff] [blame] | 65 | GPIO78_nCS_2, /* CS2 - Baseboard FGPA */ |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 66 | GPIO79_nCS_3, /* CS3 - SMC ethernet */ |
Eric Miao | 4a5c5ea | 2008-09-11 15:42:10 +0800 | [diff] [blame] | 67 | GPIO80_nCS_4, /* CS4 - SA1111 */ |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 68 | |
| 69 | /* SSP data pins */ |
| 70 | GPIO23_SSP1_SCLK, |
| 71 | GPIO25_SSP1_TXD, |
| 72 | GPIO26_SSP1_RXD, |
| 73 | |
Eric Miao | c11b6a4 | 2010-01-04 17:00:13 +0800 | [diff] [blame] | 74 | /* AC97 */ |
| 75 | GPIO28_AC97_BITCLK, |
| 76 | GPIO29_AC97_SDATA_IN_0, |
| 77 | GPIO30_AC97_SDATA_OUT, |
| 78 | GPIO31_AC97_SYNC, |
| 79 | |
Eric Miao | 4a5c5ea | 2008-09-11 15:42:10 +0800 | [diff] [blame] | 80 | /* LCD - 16bpp DSTN */ |
Eric Miao | 07bae6c | 2010-01-04 11:25:10 +0800 | [diff] [blame] | 81 | GPIOxx_LCD_DSTN_16BPP, |
Eric Miao | 4a5c5ea | 2008-09-11 15:42:10 +0800 | [diff] [blame] | 82 | |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 83 | /* BTUART */ |
| 84 | GPIO42_BTUART_RXD, |
| 85 | GPIO43_BTUART_TXD, |
| 86 | GPIO44_BTUART_CTS, |
| 87 | GPIO45_BTUART_RTS, |
| 88 | |
| 89 | /* PC Card */ |
| 90 | GPIO48_nPOE, |
| 91 | GPIO49_nPWE, |
| 92 | GPIO50_nPIOR, |
| 93 | GPIO51_nPIOW, |
| 94 | GPIO52_nPCE_1, |
| 95 | GPIO53_nPCE_2, |
| 96 | GPIO54_nPSKTSEL, |
| 97 | GPIO55_nPREG, |
| 98 | GPIO56_nPWAIT, |
| 99 | GPIO57_nIOIS16, |
| 100 | |
| 101 | /* MMC */ |
| 102 | GPIO6_MMC_CLK, |
| 103 | GPIO8_MMC_CS0, |
| 104 | |
| 105 | /* wakeup */ |
| 106 | GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, |
| 107 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Eric Miao | 5438614 | 2009-01-19 18:43:12 +0800 | [diff] [blame] | 109 | #define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | #define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080) |
| 111 | |
Eric Miao | 5438614 | 2009-01-19 18:43:12 +0800 | [diff] [blame] | 112 | void lubbock_set_hexled(uint32_t value) |
| 113 | { |
| 114 | LUB_HEXLED = value; |
| 115 | } |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | void lubbock_set_misc_wr(unsigned int mask, unsigned int set) |
| 118 | { |
| 119 | unsigned long flags; |
| 120 | |
| 121 | local_irq_save(flags); |
| 122 | LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask); |
| 123 | local_irq_restore(flags); |
| 124 | } |
| 125 | EXPORT_SYMBOL(lubbock_set_misc_wr); |
| 126 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | static int lubbock_udc_is_connected(void) |
| 128 | { |
| 129 | return (LUB_MISC_RD & (1 << 9)) == 0; |
| 130 | } |
| 131 | |
| 132 | static struct pxa2xx_udc_mach_info udc_info __initdata = { |
| 133 | .udc_is_connected = lubbock_udc_is_connected, |
| 134 | // no D+ pullup; lubbock can't connect/disconnect in software |
| 135 | }; |
| 136 | |
| 137 | static struct resource sa1111_resources[] = { |
| 138 | [0] = { |
| 139 | .start = 0x10000000, |
| 140 | .end = 0x10001fff, |
| 141 | .flags = IORESOURCE_MEM, |
| 142 | }, |
| 143 | [1] = { |
| 144 | .start = LUBBOCK_SA1111_IRQ, |
| 145 | .end = LUBBOCK_SA1111_IRQ, |
| 146 | .flags = IORESOURCE_IRQ, |
| 147 | }, |
| 148 | }; |
| 149 | |
Eric Miao | 19851c5 | 2009-12-26 16:23:02 +0800 | [diff] [blame] | 150 | static struct sa1111_platform_data sa1111_info = { |
Haojian Zhuang | 6ac6b81 | 2010-08-20 15:23:59 +0800 | [diff] [blame] | 151 | .irq_base = LUBBOCK_SA1111_IRQ_BASE, |
Russell King | 07be45f | 2012-01-26 13:34:21 +0000 | [diff] [blame] | 152 | .disable_devs = SA1111_DEVID_SAC, |
Eric Miao | 19851c5 | 2009-12-26 16:23:02 +0800 | [diff] [blame] | 153 | }; |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | static struct platform_device sa1111_device = { |
| 156 | .name = "sa1111", |
| 157 | .id = -1, |
| 158 | .num_resources = ARRAY_SIZE(sa1111_resources), |
| 159 | .resource = sa1111_resources, |
Eric Miao | 19851c5 | 2009-12-26 16:23:02 +0800 | [diff] [blame] | 160 | .dev = { |
| 161 | .platform_data = &sa1111_info, |
| 162 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | }; |
| 164 | |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 165 | /* ADS7846 is connected through SSP ... and if your board has J5 populated, |
| 166 | * you can select it to replace the ucb1400 by switching the touchscreen cable |
| 167 | * (to J5) and poking board registers (as done below). Else it's only useful |
| 168 | * for the temperature sensors. |
| 169 | */ |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 170 | static struct pxa2xx_spi_master pxa_ssp_master_info = { |
Jonathan Cameron | 1f4de5a | 2008-08-04 14:41:27 +0100 | [diff] [blame] | 171 | .num_chipselect = 1, |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 172 | }; |
| 173 | |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 174 | static int lubbock_ads7846_pendown_state(void) |
| 175 | { |
| 176 | /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */ |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static struct ads7846_platform_data ads_info = { |
| 181 | .model = 7846, |
| 182 | .vref_delay_usecs = 100, /* internal, no cap */ |
| 183 | .get_pendown_state = lubbock_ads7846_pendown_state, |
| 184 | // .x_plate_ohms = 500, /* GUESS! */ |
| 185 | // .y_plate_ohms = 500, /* GUESS! */ |
| 186 | }; |
| 187 | |
| 188 | static void ads7846_cs(u32 command) |
| 189 | { |
| 190 | static const unsigned TS_nCS = 1 << 11; |
| 191 | lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS); |
| 192 | } |
| 193 | |
| 194 | static struct pxa2xx_spi_chip ads_hw = { |
| 195 | .tx_threshold = 1, |
| 196 | .rx_threshold = 2, |
| 197 | .cs_control = ads7846_cs, |
| 198 | }; |
| 199 | |
| 200 | static struct spi_board_info spi_board_info[] __initdata = { { |
| 201 | .modalias = "ads7846", |
| 202 | .platform_data = &ads_info, |
| 203 | .controller_data = &ads_hw, |
| 204 | .irq = LUBBOCK_BB_IRQ, |
| 205 | .max_speed_hz = 120000 /* max sample rate at 3V */ |
| 206 | * 26 /* command + data + overhead */, |
| 207 | .bus_num = 1, |
| 208 | .chip_select = 0, |
| 209 | }, |
| 210 | }; |
| 211 | |
Russell King | e21e2d4 | 2008-04-13 17:38:55 +0100 | [diff] [blame] | 212 | static struct resource smc91x_resources[] = { |
| 213 | [0] = { |
| 214 | .name = "smc91x-regs", |
| 215 | .start = 0x0c000c00, |
| 216 | .end = 0x0c0fffff, |
| 217 | .flags = IORESOURCE_MEM, |
| 218 | }, |
| 219 | [1] = { |
| 220 | .start = LUBBOCK_ETH_IRQ, |
| 221 | .end = LUBBOCK_ETH_IRQ, |
| 222 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| 223 | }, |
| 224 | [2] = { |
| 225 | .name = "smc91x-attrib", |
| 226 | .start = 0x0e000000, |
| 227 | .end = 0x0e0fffff, |
| 228 | .flags = IORESOURCE_MEM, |
| 229 | }, |
| 230 | }; |
| 231 | |
Eric Miao | 3aed74c | 2008-06-24 15:51:02 +0800 | [diff] [blame] | 232 | static struct smc91x_platdata lubbock_smc91x_info = { |
| 233 | .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2, |
| 234 | }; |
| 235 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | static struct platform_device smc91x_device = { |
| 237 | .name = "smc91x", |
| 238 | .id = -1, |
| 239 | .num_resources = ARRAY_SIZE(smc91x_resources), |
| 240 | .resource = smc91x_resources, |
Eric Miao | 3aed74c | 2008-06-24 15:51:02 +0800 | [diff] [blame] | 241 | .dev = { |
| 242 | .platform_data = &lubbock_smc91x_info, |
| 243 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | }; |
| 245 | |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 246 | static struct resource flash_resources[] = { |
| 247 | [0] = { |
| 248 | .start = 0x00000000, |
| 249 | .end = SZ_64M - 1, |
| 250 | .flags = IORESOURCE_MEM, |
| 251 | }, |
| 252 | [1] = { |
| 253 | .start = 0x04000000, |
| 254 | .end = 0x04000000 + SZ_64M - 1, |
| 255 | .flags = IORESOURCE_MEM, |
| 256 | }, |
| 257 | }; |
| 258 | |
| 259 | static struct mtd_partition lubbock_partitions[] = { |
| 260 | { |
| 261 | .name = "Bootloader", |
| 262 | .size = 0x00040000, |
| 263 | .offset = 0, |
| 264 | .mask_flags = MTD_WRITEABLE /* force read-only */ |
| 265 | },{ |
| 266 | .name = "Kernel", |
| 267 | .size = 0x00100000, |
| 268 | .offset = 0x00040000, |
| 269 | },{ |
| 270 | .name = "Filesystem", |
| 271 | .size = MTDPART_SIZ_FULL, |
| 272 | .offset = 0x00140000 |
| 273 | } |
| 274 | }; |
| 275 | |
| 276 | static struct flash_platform_data lubbock_flash_data[2] = { |
| 277 | { |
| 278 | .map_name = "cfi_probe", |
| 279 | .parts = lubbock_partitions, |
| 280 | .nr_parts = ARRAY_SIZE(lubbock_partitions), |
| 281 | }, { |
| 282 | .map_name = "cfi_probe", |
| 283 | .parts = NULL, |
| 284 | .nr_parts = 0, |
| 285 | } |
| 286 | }; |
| 287 | |
| 288 | static struct platform_device lubbock_flash_device[2] = { |
| 289 | { |
| 290 | .name = "pxa2xx-flash", |
| 291 | .id = 0, |
| 292 | .dev = { |
| 293 | .platform_data = &lubbock_flash_data[0], |
| 294 | }, |
| 295 | .resource = &flash_resources[0], |
| 296 | .num_resources = 1, |
| 297 | }, |
| 298 | { |
| 299 | .name = "pxa2xx-flash", |
| 300 | .id = 1, |
| 301 | .dev = { |
| 302 | .platform_data = &lubbock_flash_data[1], |
| 303 | }, |
| 304 | .resource = &flash_resources[1], |
| 305 | .num_resources = 1, |
| 306 | }, |
| 307 | }; |
| 308 | |
Robert Jarzmik | fc9e38c | 2014-12-14 23:04:14 +0100 | [diff] [blame] | 309 | static struct resource lubbock_cplds_resources[] = { |
| 310 | [0] = { |
| 311 | .start = LUBBOCK_FPGA_PHYS + 0xc0, |
| 312 | .end = LUBBOCK_FPGA_PHYS + 0xe0 - 1, |
| 313 | .flags = IORESOURCE_MEM, |
| 314 | }, |
| 315 | [1] = { |
| 316 | .start = PXA_GPIO_TO_IRQ(0), |
| 317 | .end = PXA_GPIO_TO_IRQ(0), |
| 318 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, |
| 319 | }, |
| 320 | [2] = { |
| 321 | .start = LUBBOCK_IRQ(0), |
| 322 | .end = LUBBOCK_IRQ(6), |
| 323 | .flags = IORESOURCE_IRQ, |
| 324 | }, |
| 325 | }; |
| 326 | |
| 327 | static struct platform_device lubbock_cplds_device = { |
| 328 | .name = "pxa_cplds_irqs", |
| 329 | .id = -1, |
| 330 | .resource = &lubbock_cplds_resources[0], |
| 331 | .num_resources = 3, |
| 332 | }; |
| 333 | |
| 334 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | static struct platform_device *devices[] __initdata = { |
| 336 | &sa1111_device, |
| 337 | &smc91x_device, |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 338 | &lubbock_flash_device[0], |
| 339 | &lubbock_flash_device[1], |
Robert Jarzmik | fc9e38c | 2014-12-14 23:04:14 +0100 | [diff] [blame] | 340 | &lubbock_cplds_device, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | }; |
| 342 | |
Richard Purdie | d14b272 | 2006-09-20 22:54:21 +0100 | [diff] [blame] | 343 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | .pixclock = 270000, |
| 345 | .xres = 640, |
| 346 | .yres = 480, |
| 347 | .bpp = 16, |
| 348 | .hsync_len = 1, |
| 349 | .left_margin = 3, |
| 350 | .right_margin = 3, |
| 351 | .vsync_len = 1, |
| 352 | .upper_margin = 0, |
| 353 | .lower_margin = 0, |
| 354 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
| 355 | .cmap_greyscale = 0, |
Richard Purdie | d14b272 | 2006-09-20 22:54:21 +0100 | [diff] [blame] | 356 | }; |
| 357 | |
| 358 | static struct pxafb_mach_info sharp_lm8v31 = { |
| 359 | .modes = &sharp_lm8v31_mode, |
| 360 | .num_modes = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | .cmap_inverse = 0, |
| 362 | .cmap_static = 0, |
eric miao | 0454bd0 | 2008-04-30 00:52:23 -0700 | [diff] [blame] | 363 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
Alexey Dobriyan | ffebabe | 2008-05-08 10:58:39 +0100 | [diff] [blame] | 364 | LCD_AC_BIAS_FREQ(255), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | }; |
| 366 | |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 367 | #define MMC_POLL_RATE msecs_to_jiffies(1000) |
| 368 | |
| 369 | static void lubbock_mmc_poll(unsigned long); |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 370 | static irq_handler_t mmc_detect_int; |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 371 | |
| 372 | static struct timer_list mmc_timer = { |
| 373 | .function = lubbock_mmc_poll, |
| 374 | }; |
| 375 | |
| 376 | static void lubbock_mmc_poll(unsigned long data) |
| 377 | { |
| 378 | unsigned long flags; |
| 379 | |
| 380 | /* clear any previous irq state, then ... */ |
| 381 | local_irq_save(flags); |
| 382 | LUB_IRQ_SET_CLR &= ~(1 << 0); |
| 383 | local_irq_restore(flags); |
| 384 | |
| 385 | /* poll until mmc/sd card is removed */ |
| 386 | if (LUB_IRQ_SET_CLR & (1 << 0)) |
| 387 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); |
| 388 | else { |
Russell King | 2326eb98 | 2006-10-15 13:48:37 +0100 | [diff] [blame] | 389 | (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 390 | enable_irq(LUBBOCK_SD_IRQ); |
| 391 | } |
| 392 | } |
| 393 | |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 394 | static irqreturn_t lubbock_detect_int(int irq, void *data) |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 395 | { |
| 396 | /* IRQ is level triggered; disable, and poll for removal */ |
| 397 | disable_irq(irq); |
| 398 | mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); |
| 399 | |
Linus Torvalds | 0cd61b6 | 2006-10-06 10:53:39 -0700 | [diff] [blame] | 400 | return mmc_detect_int(irq, data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | static int lubbock_mci_init(struct device *dev, |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 404 | irq_handler_t detect_int, |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 405 | void *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | { |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 407 | /* detect card insert/eject */ |
| 408 | mmc_detect_int = detect_int; |
| 409 | init_timer(&mmc_timer); |
| 410 | mmc_timer.data = (unsigned long) data; |
| 411 | return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, |
Theodore Ts'o | 1467376 | 2012-07-17 14:05:52 -0400 | [diff] [blame] | 412 | 0, "lubbock-sd-detect", data); |
David Brownell | 85eb226 | 2005-11-01 19:44:30 +0000 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | static int lubbock_mci_get_ro(struct device *dev) |
| 416 | { |
| 417 | return (LUB_MISC_RD & (1 << 2)) != 0; |
| 418 | } |
| 419 | |
| 420 | static void lubbock_mci_exit(struct device *dev, void *data) |
| 421 | { |
| 422 | free_irq(LUBBOCK_SD_IRQ, data); |
| 423 | del_timer_sync(&mmc_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | static struct pxamci_platform_data lubbock_mci_platform_data = { |
Robert Jarzmik | 7a64825 | 2009-07-06 22:16:42 +0200 | [diff] [blame] | 427 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
Eric Miao | f97cab2 | 2010-04-14 07:00:42 +0800 | [diff] [blame] | 428 | .detect_delay_ms = 10, |
Robert Jarzmik | 7a64825 | 2009-07-06 22:16:42 +0200 | [diff] [blame] | 429 | .init = lubbock_mci_init, |
| 430 | .get_ro = lubbock_mci_get_ro, |
| 431 | .exit = lubbock_mci_exit, |
| 432 | .gpio_card_detect = -1, |
| 433 | .gpio_card_ro = -1, |
| 434 | .gpio_power = -1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | }; |
| 436 | |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 437 | static void lubbock_irda_transceiver_mode(struct device *dev, int mode) |
| 438 | { |
| 439 | unsigned long flags; |
| 440 | |
| 441 | local_irq_save(flags); |
| 442 | if (mode & IR_SIRMODE) { |
| 443 | LUB_MISC_WR &= ~(1 << 4); |
| 444 | } else if (mode & IR_FIRMODE) { |
| 445 | LUB_MISC_WR |= 1 << 4; |
| 446 | } |
Dmitry Baryshkov | 0fc3ff3 | 2008-07-02 13:54:46 +0100 | [diff] [blame] | 447 | pxa2xx_transceiver_mode(dev, mode); |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 448 | local_irq_restore(flags); |
| 449 | } |
| 450 | |
| 451 | static struct pxaficp_platform_data lubbock_ficp_platform_data = { |
Marek Vasut | c4bd017 | 2009-07-17 12:50:43 +0200 | [diff] [blame] | 452 | .gpio_pwdown = -1, |
| 453 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE, |
| 454 | .transceiver_mode = lubbock_irda_transceiver_mode, |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 455 | }; |
| 456 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | static void __init lubbock_init(void) |
| 458 | { |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 459 | int flashboot = (LUB_CONF_SWITCHES & 1); |
| 460 | |
eric miao | 9b02b2d | 2008-02-13 08:52:38 +0800 | [diff] [blame] | 461 | pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config)); |
| 462 | |
Russell King | cc155c6 | 2009-11-09 13:34:08 +0800 | [diff] [blame] | 463 | pxa_set_ffuart_info(NULL); |
| 464 | pxa_set_btuart_info(NULL); |
| 465 | pxa_set_stuart_info(NULL); |
| 466 | |
Ian Molton | c1ed406 | 2008-07-26 00:52:36 +0100 | [diff] [blame] | 467 | clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | pxa_set_udc_info(&udc_info); |
Russell King - ARM Linux | 4321e1a | 2011-02-15 15:37:30 +0800 | [diff] [blame] | 469 | pxa_set_fb_info(NULL, &sharp_lm8v31); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | pxa_set_mci_info(&lubbock_mci_platform_data); |
Nicolas Pitre | 6f475c0 | 2005-10-28 16:39:33 +0100 | [diff] [blame] | 471 | pxa_set_ficp_info(&lubbock_ficp_platform_data); |
Mark Brown | 9f19d63 | 2008-06-10 12:30:05 +0100 | [diff] [blame] | 472 | pxa_set_ac97_info(NULL); |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 473 | |
| 474 | lubbock_flash_data[0].width = lubbock_flash_data[1].width = |
Marek Vasut | ad68bb9 | 2010-11-03 16:29:35 +0100 | [diff] [blame] | 475 | (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; |
Todd Poynor | 74ec71e | 2005-11-04 17:15:45 +0000 | [diff] [blame] | 476 | /* Compensate for the nROMBT switch which swaps the flash banks */ |
| 477 | printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", |
| 478 | flashboot?"Flash":"ROM", flashboot); |
| 479 | |
| 480 | lubbock_flash_data[flashboot^1].name = "application-flash"; |
| 481 | lubbock_flash_data[flashboot].name = "boot-rom"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | (void) platform_add_devices(devices, ARRAY_SIZE(devices)); |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 483 | |
Guennadi Liakhovetski | e172274 | 2008-06-13 09:17:31 +0100 | [diff] [blame] | 484 | pxa2xx_set_spi_info(1, &pxa_ssp_master_info); |
David Brownell | 9df5db8 | 2006-06-18 16:39:33 +0100 | [diff] [blame] | 485 | spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | static struct map_desc lubbock_io_desc[] __initdata = { |
Deepak Saxena | 6f9182e | 2005-10-28 15:19:01 +0100 | [diff] [blame] | 489 | { /* CPLD */ |
| 490 | .virtual = LUBBOCK_FPGA_VIRT, |
| 491 | .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS), |
| 492 | .length = 0x00100000, |
| 493 | .type = MT_DEVICE |
| 494 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | }; |
| 496 | |
| 497 | static void __init lubbock_map_io(void) |
| 498 | { |
Marek Vasut | 851982c | 2010-10-11 02:20:19 +0200 | [diff] [blame] | 499 | pxa25x_map_io(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); |
| 501 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | PCFR |= PCFR_OPDE; |
| 503 | } |
| 504 | |
Bryan Wu | 55f5d8e | 2012-03-14 02:07:58 +0800 | [diff] [blame] | 505 | /* |
| 506 | * Driver for the 8 discrete LEDs available for general use: |
| 507 | * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays |
| 508 | * so be sure to not monkey with them here. |
| 509 | */ |
| 510 | |
| 511 | #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) |
| 512 | struct lubbock_led { |
| 513 | struct led_classdev cdev; |
| 514 | u8 mask; |
| 515 | }; |
| 516 | |
| 517 | /* |
| 518 | * The triggers lines up below will only be used if the |
| 519 | * LED triggers are compiled in. |
| 520 | */ |
| 521 | static const struct { |
| 522 | const char *name; |
| 523 | const char *trigger; |
| 524 | } lubbock_leds[] = { |
| 525 | { "lubbock:D28", "default-on", }, |
| 526 | { "lubbock:D27", "cpu0", }, |
| 527 | { "lubbock:D26", "heartbeat" }, |
| 528 | { "lubbock:D25", }, |
| 529 | { "lubbock:D24", }, |
| 530 | { "lubbock:D23", }, |
| 531 | { "lubbock:D22", }, |
| 532 | { "lubbock:D21", }, |
| 533 | }; |
| 534 | |
| 535 | static void lubbock_led_set(struct led_classdev *cdev, |
| 536 | enum led_brightness b) |
| 537 | { |
| 538 | struct lubbock_led *led = container_of(cdev, |
| 539 | struct lubbock_led, cdev); |
| 540 | u32 reg = LUB_DISC_BLNK_LED; |
| 541 | |
| 542 | if (b != LED_OFF) |
| 543 | reg |= led->mask; |
| 544 | else |
| 545 | reg &= ~led->mask; |
| 546 | |
| 547 | LUB_DISC_BLNK_LED = reg; |
| 548 | } |
| 549 | |
| 550 | static enum led_brightness lubbock_led_get(struct led_classdev *cdev) |
| 551 | { |
| 552 | struct lubbock_led *led = container_of(cdev, |
| 553 | struct lubbock_led, cdev); |
| 554 | u32 reg = LUB_DISC_BLNK_LED; |
| 555 | |
| 556 | return (reg & led->mask) ? LED_FULL : LED_OFF; |
| 557 | } |
| 558 | |
| 559 | static int __init lubbock_leds_init(void) |
| 560 | { |
| 561 | int i; |
| 562 | |
| 563 | if (!machine_is_lubbock()) |
| 564 | return -ENODEV; |
| 565 | |
| 566 | /* All ON */ |
| 567 | LUB_DISC_BLNK_LED |= 0xff; |
| 568 | for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) { |
| 569 | struct lubbock_led *led; |
| 570 | |
| 571 | led = kzalloc(sizeof(*led), GFP_KERNEL); |
| 572 | if (!led) |
| 573 | break; |
| 574 | |
| 575 | led->cdev.name = lubbock_leds[i].name; |
| 576 | led->cdev.brightness_set = lubbock_led_set; |
| 577 | led->cdev.brightness_get = lubbock_led_get; |
| 578 | led->cdev.default_trigger = lubbock_leds[i].trigger; |
| 579 | led->mask = BIT(i); |
| 580 | |
| 581 | if (led_classdev_register(NULL, &led->cdev) < 0) { |
| 582 | kfree(led); |
| 583 | break; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | /* |
| 591 | * Since we may have triggers on any subsystem, defer registration |
| 592 | * until after subsystem_init. |
| 593 | */ |
| 594 | fs_initcall(lubbock_leds_init); |
| 595 | #endif |
| 596 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 598 | /* Maintainer: MontaVista Software Inc. */ |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 599 | .map_io = lubbock_map_io, |
Haojian Zhuang | 6ac6b81 | 2010-08-20 15:23:59 +0800 | [diff] [blame] | 600 | .nr_irqs = LUBBOCK_NR_IRQS, |
Robert Jarzmik | fc9e38c | 2014-12-14 23:04:14 +0100 | [diff] [blame] | 601 | .init_irq = pxa25x_init_irq, |
Eric Miao | 8a97ae2 | 2011-05-18 21:30:04 +0800 | [diff] [blame] | 602 | .handle_irq = pxa25x_handle_irq, |
Stephen Warren | 6bb27d7 | 2012-11-08 12:40:59 -0700 | [diff] [blame] | 603 | .init_time = pxa_timer_init, |
Russell King | e9dea0c | 2005-07-03 17:38:58 +0100 | [diff] [blame] | 604 | .init_machine = lubbock_init, |
Russell King | 271a74f | 2011-11-04 14:15:53 +0000 | [diff] [blame] | 605 | .restart = pxa_restart, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 606 | MACHINE_END |