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/power/gpio-charger.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 char *collie_ac_supplied_to[] = {
 135         "main-battery",
 136         "backup-battery",
 137 };
 138
 139
 140 static struct gpio_charger_platform_data collie_power_data = {
 141         .name                   = "charger",
 142         .type                   = POWER_SUPPLY_TYPE_MAINS,
 143         .gpio                   = COLLIE_GPIO_AC_IN,
 144         .supplied_to            = collie_ac_supplied_to,
 145         .num_supplicants        = ARRAY_SIZE(collie_ac_supplied_to),
 146 };
 147
 148 static struct platform_device collie_power_device = {
 149         .name                   = "gpio-charger",
 150         .id                     = -1,
 151         .dev.platform_data      = &collie_power_data,
 152 };
 153
 154 #ifdef CONFIG_SHARP_LOCOMO
 155 /*
 156  * low-level UART features.
 157  */
 158 struct platform_device collie_locomo_device;
 159
 160 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
 161 {
 162         if (mctrl & TIOCM_RTS)
 163                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
 164         else
 165                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
 166
 167         if (mctrl & TIOCM_DTR)
 168                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
 169         else
 170                 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
 171 }
 172
 173 static u_int collie_uart_get_mctrl(struct uart_port *port)
 174 {
 175         int ret = TIOCM_CD;
 176         unsigned int r;
 177
 178         r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
 179         if (r == -ENODEV)
 180                 return ret;
 181         if (r & LOCOMO_GPIO_CTS)
 182                 ret |= TIOCM_CTS;
 183         if (r & LOCOMO_GPIO_DSR)
 184                 ret |= TIOCM_DSR;
 185
 186         return ret;
 187 }
 188
 189 static struct sa1100_port_fns collie_port_fns __initdata = {
 190         .set_mctrl      = collie_uart_set_mctrl,
 191         .get_mctrl      = collie_uart_get_mctrl,
 192 };
 193
 194 static int collie_uart_probe(struct locomo_dev *dev)
 195 {
 196         return 0;
 197 }
 198
 199 static int collie_uart_remove(struct locomo_dev *dev)
 200 {
 201         return 0;
 202 }
 203
 204 static struct locomo_driver collie_uart_driver = {
 205         .drv = {
 206                 .name = "collie_uart",
 207         },
 208         .devid  = LOCOMO_DEVID_UART,
 209         .probe  = collie_uart_probe,
 210         .remove = collie_uart_remove,
 211 };
 212
 213 static int __init collie_uart_init(void)
 214 {
 215         return locomo_driver_register(&collie_uart_driver);
 216 }
 217 device_initcall(collie_uart_init);
 218
 219 #endif
 220
 221
 222 static struct resource locomo_resources[] = {
 223         [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
 224         [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
 225 };
 226
 227 static struct locomo_platform_data locomo_info = {
 228         .irq_base       = IRQ_BOARD_START,
 229 };
 230
 231 struct platform_device collie_locomo_device = {
 232         .name           = "locomo",
 233         .id             = 0,
 234         .dev            = {
 235                 .platform_data  = &locomo_info,
 236         },
 237         .num_resources  = ARRAY_SIZE(locomo_resources),
 238         .resource       = locomo_resources,
 239 };
 240
 241 static struct gpio_keys_button collie_gpio_keys[] = {
 242         {
 243                 .type   = EV_PWR,
 244                 .code   = KEY_RESERVED,
 245                 .gpio   = COLLIE_GPIO_ON_KEY,
 246                 .desc   = "On key",
 247                 .wakeup = 1,
 248                 .active_low = 1,
 249         },
 250         {
 251                 .type   = EV_PWR,
 252                 .code   = KEY_WAKEUP,
 253                 .gpio   = COLLIE_GPIO_WAKEUP,
 254                 .desc   = "Sync",
 255                 .wakeup = 1,
 256                 .active_low = 1,
 257         },
 258 };
 259
 260 static struct gpio_keys_platform_data collie_gpio_keys_data = {
 261         .buttons        = collie_gpio_keys,
 262         .nbuttons       = ARRAY_SIZE(collie_gpio_keys),
 263 };
 264
 265 static struct platform_device collie_gpio_keys_device = {
 266         .name   = "gpio-keys",
 267         .id     = -1,
 268         .dev    = {
 269                 .platform_data = &collie_gpio_keys_data,
 270         },
 271 };
 272
 273 static struct platform_device *devices[] __initdata = {
 274         &collie_locomo_device,
 275         &colliescoop_device,
 276         &collie_power_device,
 277         &collie_gpio_keys_device,
 278 };
 279
 280 static struct mtd_partition collie_partitions[] = {
 281         {
 282                 .name           = "bootloader",
 283                 .offset         = 0,
 284                 .size           = 0x000C0000,
 285                 .mask_flags     = MTD_WRITEABLE
 286         }, {
 287                 .name           = "kernel",
 288                 .offset         = MTDPART_OFS_APPEND,
 289                 .size           = 0x00100000,
 290         }, {
 291                 .name           = "rootfs",
 292                 .offset         = MTDPART_OFS_APPEND,
 293                 .size           = 0x00e20000,
 294         }, {
 295                 .name           = "bootblock",
 296                 .offset         = MTDPART_OFS_APPEND,
 297                 .size           = 0x00020000,
 298                 .mask_flags     = MTD_WRITEABLE
 299         }
 300 };
 301
 302 static int collie_flash_init(void)
 303 {
 304         int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
 305         if (rc)
 306                 return rc;
 307
 308         rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
 309         if (rc)
 310                 gpio_free(COLLIE_GPIO_VPEN);
 311
 312         return rc;
 313 }
 314
 315 static void collie_set_vpp(int vpp)
 316 {
 317         gpio_set_value(COLLIE_GPIO_VPEN, vpp);
 318 }
 319
 320 static void collie_flash_exit(void)
 321 {
 322         gpio_free(COLLIE_GPIO_VPEN);
 323 }
 324
 325 static struct flash_platform_data collie_flash_data = {
 326         .map_name       = "cfi_probe",
 327         .init           = collie_flash_init,
 328         .set_vpp        = collie_set_vpp,
 329         .exit           = collie_flash_exit,
 330         .parts          = collie_partitions,
 331         .nr_parts       = ARRAY_SIZE(collie_partitions),
 332 };
 333
 334 static struct resource collie_flash_resources[] = {
 335         DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
 336 };
 337
 338 static struct sa1100fb_mach_info collie_lcd_info = {
 339         .pixclock       = 171521,       .bpp            = 16,
 340         .xres           = 320,          .yres           = 240,
 341
 342         .hsync_len      = 5,            .vsync_len      = 1,
 343         .left_margin    = 11,           .upper_margin   = 2,
 344         .right_margin   = 30,           .lower_margin   = 0,
 345
 346         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 347
 348         .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
 349         .lccr3          = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
 350
 351 #ifdef CONFIG_BACKLIGHT_LOCOMO
 352         .lcd_power      = locomolcd_power
 353 #endif
 354 };
 355
 356 static void __init collie_init(void)
 357 {
 358         int ret = 0;
 359
 360         /* cpu initialize */
 361         GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
 362                 GPIO_MCP_CLK | GPIO_32_768kHz;
 363
 364         GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
 365                 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
 366                 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
 367                 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
 368                 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
 369
 370         PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
 371                 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
 372                 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
 373
 374         PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
 375                 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
 376
 377         PGSR = _COLLIE_GPIO_nREMOCON_ON;
 378
 379         PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
 380
 381         PCFR = PCFR_OPDE;
 382
 383         GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
 384
 385         sa11x0_ppc_configure_mcp();
 386
 387
 388         platform_scoop_config = &collie_pcmcia_config;
 389
 390         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 391         if (ret) {
 392                 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
 393         }
 394
 395         sa11x0_register_lcd(&collie_lcd_info);
 396         sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
 397                             ARRAY_SIZE(collie_flash_resources));
 398         sa11x0_register_mcp(&collie_mcp_data);
 399         sa11x0_register_irda(&collie_ir_data);
 400
 401         sharpsl_save_param();
 402 }
 403
 404 static struct map_desc collie_io_desc[] __initdata = {
 405         {       /* 32M main flash (cs0) */
 406                 .virtual        = 0xe8000000,
 407                 .pfn            = __phys_to_pfn(0x00000000),
 408                 .length         = 0x02000000,
 409                 .type           = MT_DEVICE
 410         }, {    /* 32M boot flash (cs1) */
 411                 .virtual        = 0xea000000,
 412                 .pfn            = __phys_to_pfn(0x08000000),
 413                 .length         = 0x02000000,
 414                 .type           = MT_DEVICE
 415         }
 416 };
 417
 418 static void __init collie_map_io(void)
 419 {
 420         sa1100_map_io();
 421         iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
 422
 423 #ifdef CONFIG_SHARP_LOCOMO
 424         sa1100_register_uart_fns(&collie_port_fns);
 425 #endif
 426         sa1100_register_uart(0, 3);
 427         sa1100_register_uart(1, 1);
 428 }
 429
 430 MACHINE_START(COLLIE, "Sharp-Collie")
 431         .map_io         = collie_map_io,
 432         .nr_irqs        = SA1100_NR_IRQS,
 433         .init_irq       = sa1100_init_irq,
 434         .init_time      = sa1100_timer_init,
 435         .init_machine   = collie_init,
 436         .init_late      = sa11x0_init_late,
 437         .restart        = sa11x0_restart,
 438 MACHINE_END