1 /* 2 * linux/arch/arm/mach-sa1100/collie.c 3 * 4 * May be copied or modified under the terms of the GNU General Public 5 * License. See linux/COPYING for more information. 6 * 7 * This file contains all Collie-specific tweaks. 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 * 13 * ChangeLog: 14 * 2006 Pavel Machek <pavel@ucw.cz> 15 * 03-06-2004 John Lenz <lenz@cs.wisc.edu> 16 * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net> 17 * 04-16-2001 Lineo Japan,Inc. ... 18 */ 19 20 #include <linux/init.h> 21 #include <linux/kernel.h> 22 #include <linux/tty.h> 23 #include <linux/delay.h> 24 #include <linux/platform_data/sa11x0-serial.h> 25 #include <linux/platform_device.h> 26 #include <linux/mfd/ucb1x00.h> 27 #include <linux/mtd/mtd.h> 28 #include <linux/mtd/partitions.h> 29 #include <linux/timer.h> 30 #include <linux/gpio_keys.h> 31 #include <linux/input.h> 32 #include <linux/gpio.h> 33 #include <linux/gpio/machine.h> 34 #include <linux/power/gpio-charger.h> 35 36 #include <video/sa1100fb.h> 37 38 #include <mach/hardware.h> 39 #include <asm/mach-types.h> 40 #include <asm/page.h> 41 #include <asm/setup.h> 42 #include <mach/collie.h> 43 44 #include <asm/mach/arch.h> 45 #include <asm/mach/flash.h> 46 #include <asm/mach/map.h> 47 #include <linux/platform_data/irda-sa11x0.h> 48 49 #include <asm/hardware/scoop.h> 50 #include <asm/mach/sharpsl_param.h> 51 #include <asm/hardware/locomo.h> 52 #include <linux/platform_data/mfd-mcp-sa11x0.h> 53 #include <mach/irqs.h> 54 55 #include "generic.h" 56 57 static struct resource collie_scoop_resources[] = { 58 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K), 59 }; 60 61 static struct scoop_config collie_scoop_setup = { 62 .io_dir = COLLIE_SCOOP_IO_DIR, 63 .io_out = COLLIE_SCOOP_IO_OUT, 64 .gpio_base = COLLIE_SCOOP_GPIO_BASE, 65 }; 66 67 struct platform_device colliescoop_device = { 68 .name = "sharp-scoop", 69 .id = -1, 70 .dev = { 71 .platform_data = &collie_scoop_setup, 72 }, 73 .num_resources = ARRAY_SIZE(collie_scoop_resources), 74 .resource = collie_scoop_resources, 75 }; 76 77 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = { 78 { 79 .dev = &colliescoop_device.dev, 80 .irq = COLLIE_IRQ_GPIO_CF_IRQ, 81 .cd_irq = COLLIE_IRQ_GPIO_CF_CD, 82 .cd_irq_str = "PCMCIA0 CD", 83 }, 84 }; 85 86 static struct scoop_pcmcia_config collie_pcmcia_config = { 87 .devs = &collie_pcmcia_scoop[0], 88 .num_devs = 1, 89 }; 90 91 static struct ucb1x00_plat_data collie_ucb1x00_data = { 92 .gpio_base = COLLIE_TC35143_GPIO_BASE, 93 }; 94 95 static struct mcp_plat_data collie_mcp_data = { 96 .mccr0 = MCCR0_ADM | MCCR0_ExtClk, 97 .sclk_rate = 9216000, 98 .codec_pdata = &collie_ucb1x00_data, 99 }; 100 101 /* Battery management GPIOs */ 102 static struct gpiod_lookup_table collie_battery_gpiod_table = { 103 /* the MCP codec mcp0 has the ucb1x00 as attached device */ 104 .dev_id = "ucb1x00", 105 .table = { 106 /* This is found on the main GPIO on the SA1100 */ 107 GPIO_LOOKUP("gpio", COLLIE_GPIO_CO, 108 "main battery full", GPIO_ACTIVE_HIGH), 109 GPIO_LOOKUP("gpio", COLLIE_GPIO_MAIN_BAT_LOW, 110 "main battery low", GPIO_ACTIVE_HIGH), 111 /* 112 * This is GPIO 0 on the Scoop expander, which is registered 113 * from common/scoop.c with this gpio chip label. 114 */ 115 GPIO_LOOKUP("sharp-scoop", 0, 116 "main charge on", GPIO_ACTIVE_HIGH), 117 { }, 118 }, 119 }; 120 121 static int collie_ir_startup(struct device *dev) 122 { 123 int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); 124 if (rc) 125 return rc; 126 rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); 127 128 if (!rc) 129 return 0; 130 131 gpio_free(COLLIE_GPIO_IR_ON); 132 return rc; 133 } 134 135 static void collie_ir_shutdown(struct device *dev) 136 { 137 gpio_free(COLLIE_GPIO_IR_ON); 138 } 139 140 static int collie_ir_set_power(struct device *dev, unsigned int state) 141 { 142 gpio_set_value(COLLIE_GPIO_IR_ON, !state); 143 return 0; 144 } 145 146 static struct irda_platform_data collie_ir_data = { 147 .startup = collie_ir_startup, 148 .shutdown = collie_ir_shutdown, 149 .set_power = collie_ir_set_power, 150 }; 151 152 /* 153 * Collie AC IN 154 */ 155 static struct gpiod_lookup_table collie_power_gpiod_table = { 156 .dev_id = "gpio-charger", 157 .table = { 158 GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN, 159 NULL, GPIO_ACTIVE_HIGH), 160 { }, 161 }, 162 }; 163 164 static char *collie_ac_supplied_to[] = { 165 "main-battery", 166 "backup-battery", 167 }; 168 169 static struct gpio_charger_platform_data collie_power_data = { 170 .name = "charger", 171 .type = POWER_SUPPLY_TYPE_MAINS, 172 .supplied_to = collie_ac_supplied_to, 173 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to), 174 }; 175 176 static struct platform_device collie_power_device = { 177 .name = "gpio-charger", 178 .id = -1, 179 .dev.platform_data = &collie_power_data, 180 }; 181 182 #ifdef CONFIG_SHARP_LOCOMO 183 /* 184 * low-level UART features. 185 */ 186 struct platform_device collie_locomo_device; 187 188 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) 189 { 190 if (mctrl & TIOCM_RTS) 191 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); 192 else 193 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); 194 195 if (mctrl & TIOCM_DTR) 196 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); 197 else 198 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); 199 } 200 201 static u_int collie_uart_get_mctrl(struct uart_port *port) 202 { 203 int ret = TIOCM_CD; 204 unsigned int r; 205 206 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); 207 if (r == -ENODEV) 208 return ret; 209 if (r & LOCOMO_GPIO_CTS) 210 ret |= TIOCM_CTS; 211 if (r & LOCOMO_GPIO_DSR) 212 ret |= TIOCM_DSR; 213 214 return ret; 215 } 216 217 static struct sa1100_port_fns collie_port_fns __initdata = { 218 .set_mctrl = collie_uart_set_mctrl, 219 .get_mctrl = collie_uart_get_mctrl, 220 }; 221 222 static int collie_uart_probe(struct locomo_dev *dev) 223 { 224 return 0; 225 } 226 227 static struct locomo_driver collie_uart_driver = { 228 .drv = { 229 .name = "collie_uart", 230 }, 231 .devid = LOCOMO_DEVID_UART, 232 .probe = collie_uart_probe, 233 }; 234 235 static int __init collie_uart_init(void) 236 { 237 return locomo_driver_register(&collie_uart_driver); 238 } 239 device_initcall(collie_uart_init); 240 241 #endif 242 243 244 static struct resource locomo_resources[] = { 245 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), 246 [1] = DEFINE_RES_IRQ(IRQ_GPIO25), 247 }; 248 249 static struct locomo_platform_data locomo_info = { 250 .irq_base = IRQ_BOARD_START, 251 }; 252 253 struct platform_device collie_locomo_device = { 254 .name = "locomo", 255 .id = 0, 256 .dev = { 257 .platform_data = &locomo_info, 258 }, 259 .num_resources = ARRAY_SIZE(locomo_resources), 260 .resource = locomo_resources, 261 }; 262 263 static struct gpio_keys_button collie_gpio_keys[] = { 264 { 265 .type = EV_PWR, 266 .code = KEY_RESERVED, 267 .gpio = COLLIE_GPIO_ON_KEY, 268 .desc = "On key", 269 .wakeup = 1, 270 .active_low = 1, 271 }, 272 { 273 .type = EV_PWR, 274 .code = KEY_WAKEUP, 275 .gpio = COLLIE_GPIO_WAKEUP, 276 .desc = "Sync", 277 .wakeup = 1, 278 .active_low = 1, 279 }, 280 }; 281 282 static struct gpio_keys_platform_data collie_gpio_keys_data = { 283 .buttons = collie_gpio_keys, 284 .nbuttons = ARRAY_SIZE(collie_gpio_keys), 285 }; 286 287 static struct platform_device collie_gpio_keys_device = { 288 .name = "gpio-keys", 289 .id = -1, 290 .dev = { 291 .platform_data = &collie_gpio_keys_data, 292 }, 293 }; 294 295 static struct platform_device *devices[] __initdata = { 296 &collie_locomo_device, 297 &colliescoop_device, 298 &collie_power_device, 299 &collie_gpio_keys_device, 300 }; 301 302 static struct mtd_partition collie_partitions[] = { 303 { 304 .name = "bootloader", 305 .offset = 0, 306 .size = 0x000C0000, 307 .mask_flags = MTD_WRITEABLE 308 }, { 309 .name = "kernel", 310 .offset = MTDPART_OFS_APPEND, 311 .size = 0x00100000, 312 }, { 313 .name = "rootfs", 314 .offset = MTDPART_OFS_APPEND, 315 .size = 0x00e20000, 316 }, { 317 .name = "bootblock", 318 .offset = MTDPART_OFS_APPEND, 319 .size = 0x00020000, 320 .mask_flags = MTD_WRITEABLE 321 } 322 }; 323 324 static int collie_flash_init(void) 325 { 326 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); 327 if (rc) 328 return rc; 329 330 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); 331 if (rc) 332 gpio_free(COLLIE_GPIO_VPEN); 333 334 return rc; 335 } 336 337 static void collie_set_vpp(int vpp) 338 { 339 gpio_set_value(COLLIE_GPIO_VPEN, vpp); 340 } 341 342 static void collie_flash_exit(void) 343 { 344 gpio_free(COLLIE_GPIO_VPEN); 345 } 346 347 static struct flash_platform_data collie_flash_data = { 348 .map_name = "cfi_probe", 349 .init = collie_flash_init, 350 .set_vpp = collie_set_vpp, 351 .exit = collie_flash_exit, 352 .parts = collie_partitions, 353 .nr_parts = ARRAY_SIZE(collie_partitions), 354 }; 355 356 static struct resource collie_flash_resources[] = { 357 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), 358 }; 359 360 static struct sa1100fb_mach_info collie_lcd_info = { 361 .pixclock = 171521, .bpp = 16, 362 .xres = 320, .yres = 240, 363 364 .hsync_len = 5, .vsync_len = 1, 365 .left_margin = 11, .upper_margin = 2, 366 .right_margin = 30, .lower_margin = 0, 367 368 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, 369 370 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, 371 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), 372 373 #ifdef CONFIG_BACKLIGHT_LOCOMO 374 .lcd_power = locomolcd_power 375 #endif 376 }; 377 378 static void __init collie_init(void) 379 { 380 int ret = 0; 381 382 /* cpu initialize */ 383 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | 384 GPIO_MCP_CLK | GPIO_32_768kHz; 385 386 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | 387 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | 388 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | 389 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON | 390 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; 391 392 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | 393 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | 394 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; 395 396 PWER = 0; 397 398 PGSR = _COLLIE_GPIO_nREMOCON_ON; 399 400 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; 401 402 PCFR = PCFR_OPDE; 403 404 GPSR |= _COLLIE_GPIO_UCB1x00_RESET; 405 406 sa11x0_ppc_configure_mcp(); 407 408 409 platform_scoop_config = &collie_pcmcia_config; 410 411 gpiod_add_lookup_table(&collie_power_gpiod_table); 412 gpiod_add_lookup_table(&collie_battery_gpiod_table); 413 414 ret = platform_add_devices(devices, ARRAY_SIZE(devices)); 415 if (ret) { 416 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); 417 } 418 419 sa11x0_register_lcd(&collie_lcd_info); 420 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, 421 ARRAY_SIZE(collie_flash_resources)); 422 sa11x0_register_mcp(&collie_mcp_data); 423 sa11x0_register_irda(&collie_ir_data); 424 425 sharpsl_save_param(); 426 } 427 428 static struct map_desc collie_io_desc[] __initdata = { 429 { /* 32M main flash (cs0) */ 430 .virtual = 0xe8000000, 431 .pfn = __phys_to_pfn(0x00000000), 432 .length = 0x02000000, 433 .type = MT_DEVICE 434 }, { /* 32M boot flash (cs1) */ 435 .virtual = 0xea000000, 436 .pfn = __phys_to_pfn(0x08000000), 437 .length = 0x02000000, 438 .type = MT_DEVICE 439 } 440 }; 441 442 static void __init collie_map_io(void) 443 { 444 sa1100_map_io(); 445 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); 446 447 #ifdef CONFIG_SHARP_LOCOMO 448 sa1100_register_uart_fns(&collie_port_fns); 449 #endif 450 sa1100_register_uart(0, 3); 451 sa1100_register_uart(1, 1); 452 } 453 454 MACHINE_START(COLLIE, "Sharp-Collie") 455 .map_io = collie_map_io, 456 .nr_irqs = SA1100_NR_IRQS, 457 .init_irq = sa1100_init_irq, 458 .init_time = sa1100_timer_init, 459 .init_machine = collie_init, 460 .init_late = sa11x0_init_late, 461 .restart = sa11x0_restart, 462 MACHINE_END 463