arch/arm/mach-sa1100/collie.c

   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/pda_power.h>
  34
  35 #include <video/sa1100fb.h>
  36
  37 #include <mach/hardware.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/page.h>
  40 #include <asm/setup.h>
  41 #include <mach/collie.h>
  42
  43 #include <asm/mach/arch.h>
  44 #include <asm/mach/flash.h>
  45 #include <asm/mach/map.h>
  46 #include <asm/mach/irda.h>
  47
  48 #include <asm/hardware/scoop.h>
  49 #include <asm/mach/sharpsl_param.h>
  50 #include <asm/hardware/locomo.h>
  51 #include <linux/platform_data/mfd-mcp-sa11x0.h>
  52 #include <mach/irqs.h>
  53
  54 #include "generic.h"
  55
  56 static struct resource collie_scoop_resources[] = {
  57         [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
  58 };
  59
  60 static struct scoop_config collie_scoop_setup = {
  61         .io_dir         = COLLIE_SCOOP_IO_DIR,
  62         .io_out         = COLLIE_SCOOP_IO_OUT,
  63         .gpio_base      = COLLIE_SCOOP_GPIO_BASE,
  64 };
  65
  66 struct platform_device colliescoop_device = {
  67         .name           = "sharp-scoop",
  68         .id             = -1,
  69         .dev            = {
  70                 .platform_data  = &collie_scoop_setup,
  71         },
  72         .num_resources  = ARRAY_SIZE(collie_scoop_resources),
  73         .resource       = collie_scoop_resources,
  74 };
  75
  76 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
  77         {
  78         .dev            = &colliescoop_device.dev,
  79         .irq            = COLLIE_IRQ_GPIO_CF_IRQ,
  80         .cd_irq         = COLLIE_IRQ_GPIO_CF_CD,
  81         .cd_irq_str     = "PCMCIA0 CD",
  82         },
  83 };
  84
  85 static struct scoop_pcmcia_config collie_pcmcia_config = {
  86         .devs           = &collie_pcmcia_scoop[0],
  87         .num_devs       = 1,
  88 };
  89
  90 static struct ucb1x00_plat_data collie_ucb1x00_data = {
  91         .gpio_base      = COLLIE_TC35143_GPIO_BASE,
  92 };
  93
  94 static struct mcp_plat_data collie_mcp_data = {
  95         .mccr0          = MCCR0_ADM | MCCR0_ExtClk,
  96         .sclk_rate      = 9216000,
  97         .codec_pdata    = &collie_ucb1x00_data,
  98 };
  99
 100 static int collie_ir_startup(struct device *dev)
 101 {
 102         int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
 103         if (rc)
 104                 return rc;
 105         rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
 106
 107         if (!rc)
 108                 return 0;
 109
 110         gpio_free(COLLIE_GPIO_IR_ON);
 111         return rc;
 112 }
 113
 114 static void collie_ir_shutdown(struct device *dev)
 115 {
 116         gpio_free(COLLIE_GPIO_IR_ON);
 117 }
 118
 119 static int collie_ir_set_power(struct device *dev, unsigned int state)
 120 {
 121         gpio_set_value(COLLIE_GPIO_IR_ON, !state);
 122         return 0;
 123 }
 124
 125 static struct irda_platform_data collie_ir_data = {
 126         .startup = collie_ir_startup,
 127         .shutdown = collie_ir_shutdown,
 128         .set_power = collie_ir_set_power,
 129 };
 130
 131 /*
 132  * Collie AC IN
 133  */
 134 static int collie_power_init(struct device *dev)
 135 {
 136         int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
 137         if (ret)
 138                 goto err_gpio_req;
 139
 140         ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
 141         if (ret)
 142                 goto err_gpio_in;
 143
 144         return 0;
 145
 146 err_gpio_in:
 147         gpio_free(COLLIE_GPIO_AC_IN);
 148 err_gpio_req:
 149         return ret;
 150 }
 151
 152 static void collie_power_exit(struct device *dev)
 153 {
 154         gpio_free(COLLIE_GPIO_AC_IN);
 155 }
 156
 157 static int collie_power_ac_online(void)
 158 {
 159         return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
 160 }
 161
 162 static char *collie_ac_supplied_to[] = {
 163         "main-battery",
 164         "backup-battery",
 165 };
 166
 167 static struct pda_power_pdata collie_power_data = {
 168         .init                   = collie_power_init,
 169         .is_ac_online           = collie_power_ac_online,
 170         .exit                   = collie_power_exit,
 171         .supplied_to            = collie_ac_supplied_to,
 172         .num_supplicants        = ARRAY_SIZE(collie_ac_supplied_to),
 173 };
 174
 175 static struct resource collie_power_resource[] = {
 176         {
 177                 .name           = "ac",
 178                 .flags          = IORESOURCE_IRQ |
 179                                   IORESOURCE_IRQ_HIGHEDGE |
 180                                   IORESOURCE_IRQ_LOWEDGE,
 181         },
 182 };
 183
 184 static struct platform_device collie_power_device = {
 185         .name                   = "pda-power",
 186         .id                     = -1,
 187         .dev.platform_data      = &collie_power_data,
 188         .resource               = collie_power_resource,
 189         .num_resources          = ARRAY_SIZE(collie_power_resource),
 190 };
 191
 192 #ifdef CONFIG_SHARP_LOCOMO
 193 /*
 194  * low-level UART features.
 195  */
 196 struct platform_device collie_locomo_device;
 197
 198 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
 199 {
 200         if (mctrl & TIOCM_RTS)
 201                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
 202         else
 203                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
 204
 205         if (mctrl & TIOCM_DTR)
 206                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
 207         else
 208                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
 209 }
 210
 211 static u_int collie_uart_get_mctrl(struct uart_port *port)
 212 {
 213         int ret = TIOCM_CD;
 214         unsigned int r;
 215
 216         r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
 217         if (r == -ENODEV)
 218                 return ret;
 219         if (r & LOCOMO_GPIO_CTS)
 220                 ret |= TIOCM_CTS;
 221         if (r & LOCOMO_GPIO_DSR)
 222                 ret |= TIOCM_DSR;
 223
 224         return ret;
 225 }
 226
 227 static struct sa1100_port_fns collie_port_fns __initdata = {
 228         .set_mctrl      = collie_uart_set_mctrl,
 229         .get_mctrl      = collie_uart_get_mctrl,
 230 };
 231
 232 static int collie_uart_probe(struct locomo_dev *dev)
 233 {
 234         return 0;
 235 }
 236
 237 static int collie_uart_remove(struct locomo_dev *dev)
 238 {
 239         return 0;
 240 }
 241
 242 static struct locomo_driver collie_uart_driver = {
 243         .drv = {
 244                 .name = "collie_uart",
 245         },
 246         .devid  = LOCOMO_DEVID_UART,
 247         .probe  = collie_uart_probe,
 248         .remove = collie_uart_remove,
 249 };
 250
 251 static int __init collie_uart_init(void)
 252 {
 253         return locomo_driver_register(&collie_uart_driver);
 254 }
 255 device_initcall(collie_uart_init);
 256
 257 #endif
 258
 259
 260 static struct resource locomo_resources[] = {
 261         [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
 262         [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
 263 };
 264
 265 static struct locomo_platform_data locomo_info = {
 266         .irq_base       = IRQ_BOARD_START,
 267 };
 268
 269 struct platform_device collie_locomo_device = {
 270         .name           = "locomo",
 271         .id             = 0,
 272         .dev            = {
 273                 .platform_data  = &locomo_info,
 274         },
 275         .num_resources  = ARRAY_SIZE(locomo_resources),
 276         .resource       = locomo_resources,
 277 };
 278
 279 static struct gpio_keys_button collie_gpio_keys[] = {
 280         {
 281                 .type   = EV_PWR,
 282                 .code   = KEY_RESERVED,
 283                 .gpio   = COLLIE_GPIO_ON_KEY,
 284                 .desc   = "On key",
 285                 .wakeup = 1,
 286                 .active_low = 1,
 287         },
 288         {
 289                 .type   = EV_PWR,
 290                 .code   = KEY_WAKEUP,
 291                 .gpio   = COLLIE_GPIO_WAKEUP,
 292                 .desc   = "Sync",
 293                 .wakeup = 1,
 294                 .active_low = 1,
 295         },
 296 };
 297
 298 static struct gpio_keys_platform_data collie_gpio_keys_data = {
 299         .buttons        = collie_gpio_keys,
 300         .nbuttons       = ARRAY_SIZE(collie_gpio_keys),
 301 };
 302
 303 static struct platform_device collie_gpio_keys_device = {
 304         .name   = "gpio-keys",
 305         .id     = -1,
 306         .dev    = {
 307                 .platform_data = &collie_gpio_keys_data,
 308         },
 309 };
 310
 311 static struct platform_device *devices[] __initdata = {
 312         &collie_locomo_device,
 313         &colliescoop_device,
 314         &collie_power_device,
 315         &collie_gpio_keys_device,
 316 };
 317
 318 static struct mtd_partition collie_partitions[] = {
 319         {
 320                 .name           = "bootloader",
 321                 .offset         = 0,
 322                 .size           = 0x000C0000,
 323                 .mask_flags     = MTD_WRITEABLE
 324         }, {
 325                 .name           = "kernel",
 326                 .offset         = MTDPART_OFS_APPEND,
 327                 .size           = 0x00100000,
 328         }, {
 329                 .name           = "rootfs",
 330                 .offset         = MTDPART_OFS_APPEND,
 331                 .size           = 0x00e20000,
 332         }, {
 333                 .name           = "bootblock",
 334                 .offset         = MTDPART_OFS_APPEND,
 335                 .size           = 0x00020000,
 336                 .mask_flags     = MTD_WRITEABLE
 337         }
 338 };
 339
 340 static int collie_flash_init(void)
 341 {
 342         int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
 343         if (rc)
 344                 return rc;
 345
 346         rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
 347         if (rc)
 348                 gpio_free(COLLIE_GPIO_VPEN);
 349
 350         return rc;
 351 }
 352
 353 static void collie_set_vpp(int vpp)
 354 {
 355         gpio_set_value(COLLIE_GPIO_VPEN, vpp);
 356 }
 357
 358 static void collie_flash_exit(void)
 359 {
 360         gpio_free(COLLIE_GPIO_VPEN);
 361 }
 362
 363 static struct flash_platform_data collie_flash_data = {
 364         .map_name       = "cfi_probe",
 365         .init           = collie_flash_init,
 366         .set_vpp        = collie_set_vpp,
 367         .exit           = collie_flash_exit,
 368         .parts          = collie_partitions,
 369         .nr_parts       = ARRAY_SIZE(collie_partitions),
 370 };
 371
 372 static struct resource collie_flash_resources[] = {
 373         DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
 374 };
 375
 376 static struct sa1100fb_mach_info collie_lcd_info = {
 377         .pixclock       = 171521,       .bpp            = 16,
 378         .xres           = 320,          .yres           = 240,
 379
 380         .hsync_len      = 5,            .vsync_len      = 1,
 381         .left_margin    = 11,           .upper_margin   = 2,
 382         .right_margin   = 30,           .lower_margin   = 0,
 383
 384         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 385
 386         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
 387         .lccr3          = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
 388
 389 #ifdef CONFIG_BACKLIGHT_LOCOMO
 390         .lcd_power      = locomolcd_power
 391 #endif
 392 };
 393
 394 static void __init collie_init(void)
 395 {
 396         int ret = 0;
 397
 398         /* cpu initialize */
 399         GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
 400                 GPIO_MCP_CLK | GPIO_32_768kHz;
 401
 402         GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
 403                 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
 404                 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
 405                 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
 406                 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
 407
 408         PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
 409                 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
 410                 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
 411
 412         PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
 413                 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
 414
 415         PGSR = _COLLIE_GPIO_nREMOCON_ON;
 416
 417         PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
 418
 419         PCFR = PCFR_OPDE;
 420
 421         GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
 422
 423         collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
 424         collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
 425
 426         sa11x0_ppc_configure_mcp();
 427
 428
 429         platform_scoop_config = &collie_pcmcia_config;
 430
 431         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 432         if (ret) {
 433                 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
 434         }
 435
 436         sa11x0_register_lcd(&collie_lcd_info);
 437         sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
 438                             ARRAY_SIZE(collie_flash_resources));
 439         sa11x0_register_mcp(&collie_mcp_data);
 440         sa11x0_register_irda(&collie_ir_data);
 441
 442         sharpsl_save_param();
 443 }
 444
 445 static struct map_desc collie_io_desc[] __initdata = {
 446         {       /* 32M main flash (cs0) */
 447                 .virtual        = 0xe8000000,
 448                 .pfn            = __phys_to_pfn(0x00000000),
 449                 .length         = 0x02000000,
 450                 .type           = MT_DEVICE
 451         }, {    /* 32M boot flash (cs1) */
 452                 .virtual        = 0xea000000,
 453                 .pfn            = __phys_to_pfn(0x08000000),
 454                 .length         = 0x02000000,
 455                 .type           = MT_DEVICE
 456         }
 457 };
 458
 459 static void __init collie_map_io(void)
 460 {
 461         sa1100_map_io();
 462         iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
 463
 464 #ifdef CONFIG_SHARP_LOCOMO
 465         sa1100_register_uart_fns(&collie_port_fns);
 466 #endif
 467         sa1100_register_uart(0, 3);
 468         sa1100_register_uart(1, 1);
 469 }
 470
 471 MACHINE_START(COLLIE, "Sharp-Collie")
 472         .map_io         = collie_map_io,
 473         .nr_irqs        = SA1100_NR_IRQS,
 474         .init_irq       = sa1100_init_irq,
 475         .init_time      = sa1100_timer_init,
 476         .init_machine   = collie_init,
 477         .init_late      = sa11x0_init_late,
 478         .restart        = sa11x0_restart,
 479 MACHINE_END