arch/arm/mach-pxa/poodle.c

   1 /*
   2  * linux/arch/arm/mach-pxa/poodle.c
   3  *
   4  *  Support for the SHARP Poodle Board.
   5  *
   6  * Based on:
   7  *  linux/arch/arm/mach-pxa/lubbock.c Author:   Nicolas Pitre
   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  * Change Log
  14  *  12-Dec-2002 Sharp Corporation for Poodle
  15  *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
  16  */
  17 #include <linux/kernel.h>
  18 #include <linux/init.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/fb.h>
  21 #include <linux/pm.h>
  22 #include <linux/delay.h>
  23
  24 #include <asm/hardware.h>
  25 #include <asm/mach-types.h>
  26 #include <asm/irq.h>
  27 #include <asm/setup.h>
  28 #include <asm/system.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32 #include <asm/mach/irq.h>
  33
  34 #include <asm/arch/pxa-regs.h>
  35 #include <asm/arch/mmc.h>
  36 #include <asm/arch/udc.h>
  37 #include <asm/arch/irda.h>
  38 #include <asm/arch/poodle.h>
  39 #include <asm/arch/pxafb.h>
  40 #include <asm/arch/sharpsl.h>
  41 #include <asm/arch/ssp.h>
  42
  43 #include <asm/hardware/scoop.h>
  44 #include <asm/hardware/locomo.h>
  45 #include <asm/mach/sharpsl_param.h>
  46
  47 #include "generic.h"
  48 #include "devices.h"
  49 #include "sharpsl.h"
  50
  51 static struct resource poodle_scoop_resources[] = {
  52         [0] = {
  53                 .start          = 0x10800000,
  54                 .end            = 0x10800fff,
  55                 .flags          = IORESOURCE_MEM,
  56         },
  57 };
  58
  59 static struct scoop_config poodle_scoop_setup = {
  60         .io_dir         = POODLE_SCOOP_IO_DIR,
  61         .io_out         = POODLE_SCOOP_IO_OUT,
  62 };
  63
  64 struct platform_device poodle_scoop_device = {
  65         .name           = "sharp-scoop",
  66         .id             = -1,
  67         .dev            = {
  68                 .platform_data  = &poodle_scoop_setup,
  69         },
  70         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
  71         .resource       = poodle_scoop_resources,
  72 };
  73
  74 static void poodle_pcmcia_init(void)
  75 {
  76         /* Setup default state of GPIO outputs
  77            before we enable them as outputs. */
  78         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
  79                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
  80                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
  81                 GPIO_bit(GPIO53_nPCE_2);
  82
  83         pxa_gpio_mode(GPIO48_nPOE_MD);
  84         pxa_gpio_mode(GPIO49_nPWE_MD);
  85         pxa_gpio_mode(GPIO50_nPIOR_MD);
  86         pxa_gpio_mode(GPIO51_nPIOW_MD);
  87         pxa_gpio_mode(GPIO55_nPREG_MD);
  88         pxa_gpio_mode(GPIO56_nPWAIT_MD);
  89         pxa_gpio_mode(GPIO57_nIOIS16_MD);
  90         pxa_gpio_mode(GPIO52_nPCE_1_MD);
  91         pxa_gpio_mode(GPIO53_nPCE_2_MD);
  92         pxa_gpio_mode(GPIO54_pSKTSEL_MD);
  93 }
  94
  95 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
  96 {
  97         .dev        = &poodle_scoop_device.dev,
  98         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
  99         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
 100         .cd_irq_str = "PCMCIA0 CD",
 101 },
 102 };
 103
 104 static struct scoop_pcmcia_config poodle_pcmcia_config = {
 105         .devs         = &poodle_pcmcia_scoop[0],
 106         .num_devs     = 1,
 107         .pcmcia_init  = poodle_pcmcia_init,
 108 };
 109
 110 EXPORT_SYMBOL(poodle_scoop_device);
 111
 112
 113 /* LoCoMo device */
 114 static struct resource locomo_resources[] = {
 115         [0] = {
 116                 .start          = 0x10000000,
 117                 .end            = 0x10001fff,
 118                 .flags          = IORESOURCE_MEM,
 119         },
 120         [1] = {
 121                 .start          = IRQ_GPIO(10),
 122                 .end            = IRQ_GPIO(10),
 123                 .flags          = IORESOURCE_IRQ,
 124         },
 125 };
 126
 127 struct platform_device poodle_locomo_device = {
 128         .name           = "locomo",
 129         .id             = 0,
 130         .num_resources  = ARRAY_SIZE(locomo_resources),
 131         .resource       = locomo_resources,
 132 };
 133
 134 EXPORT_SYMBOL(poodle_locomo_device);
 135
 136 /*
 137  * Poodle SSP Device
 138  */
 139
 140 struct platform_device poodle_ssp_device = {
 141         .name           = "corgi-ssp",
 142         .id             = -1,
 143 };
 144
 145 struct corgissp_machinfo poodle_ssp_machinfo = {
 146         .port           = 1,
 147         .cs_lcdcon      = -1,
 148         .cs_ads7846     = -1,
 149         .cs_max1111     = -1,
 150         .clk_lcdcon     = 2,
 151         .clk_ads7846    = 36,
 152         .clk_max1111    = 2,
 153 };
 154
 155
 156 /*
 157  * Poodle Touch Screen Device
 158  */
 159 static struct resource poodlets_resources[] = {
 160         [0] = {
 161                 .start          = POODLE_IRQ_GPIO_TP_INT,
 162                 .end            = POODLE_IRQ_GPIO_TP_INT,
 163                 .flags          = IORESOURCE_IRQ,
 164         },
 165 };
 166
 167 static unsigned long poodle_get_hsync_len(void)
 168 {
 169         return 0;
 170 }
 171
 172 static void poodle_null_hsync(void)
 173 {
 174 }
 175
 176 static struct corgits_machinfo  poodle_ts_machinfo = {
 177         .get_hsync_len   = poodle_get_hsync_len,
 178         .put_hsync       = poodle_null_hsync,
 179         .wait_hsync      = poodle_null_hsync,
 180 };
 181
 182 static struct platform_device poodle_ts_device = {
 183         .name           = "corgi-ts",
 184         .dev            = {
 185                 .platform_data  = &poodle_ts_machinfo,
 186         },
 187         .id             = -1,
 188         .num_resources  = ARRAY_SIZE(poodlets_resources),
 189         .resource       = poodlets_resources,
 190 };
 191
 192
 193 /*
 194  * MMC/SD Device
 195  *
 196  * The card detect interrupt isn't debounced so we delay it by 250ms
 197  * to give the card a chance to fully insert/eject.
 198  */
 199 static struct pxamci_platform_data poodle_mci_platform_data;
 200
 201 static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
 202 {
 203         int err;
 204
 205         /* setup GPIO for PXA25x MMC controller */
 206         pxa_gpio_mode(GPIO6_MMCCLK_MD);
 207         pxa_gpio_mode(GPIO8_MMCCS0_MD);
 208         pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
 209         pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN);
 210         pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
 211         pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT);
 212
 213         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 214
 215         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
 216                           IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 217                           "MMC card detect", data);
 218         if (err)
 219                 printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 220
 221         return err;
 222 }
 223
 224 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 225 {
 226         struct pxamci_platform_data* p_d = dev->platform_data;
 227
 228         if (( 1 << vdd) & p_d->ocr_mask) {
 229                 GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
 230                 mdelay(2);
 231                 GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
 232         } else {
 233                 GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
 234                 GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
 235         }
 236 }
 237
 238 static int poodle_mci_get_ro(struct device *dev)
 239 {
 240         return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
 241 }
 242
 243
 244 static void poodle_mci_exit(struct device *dev, void *data)
 245 {
 246         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
 247 }
 248
 249 static struct pxamci_platform_data poodle_mci_platform_data = {
 250         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 251         .init           = poodle_mci_init,
 252         .get_ro         = poodle_mci_get_ro,
 253         .setpower       = poodle_mci_setpower,
 254         .exit           = poodle_mci_exit,
 255 };
 256
 257
 258 /*
 259  * Irda
 260  */
 261 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
 262 {
 263         if (mode & IR_OFF) {
 264                 GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 265         } else {
 266                 GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 267         }
 268 }
 269
 270 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 271         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 272         .transceiver_mode = poodle_irda_transceiver_mode,
 273 };
 274
 275
 276 /*
 277  * USB Device Controller
 278  */
 279 static void poodle_udc_command(int cmd)
 280 {
 281         switch(cmd)     {
 282         case PXA2XX_UDC_CMD_CONNECT:
 283                 GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 284                 break;
 285         case PXA2XX_UDC_CMD_DISCONNECT:
 286                 GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 287                 break;
 288         }
 289 }
 290
 291 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 292         /* no connect GPIO; poodle can't tell connection status */
 293         .udc_command            = poodle_udc_command,
 294 };
 295
 296
 297 /* PXAFB device */
 298 static struct pxafb_mode_info poodle_fb_mode = {
 299         .pixclock       = 144700,
 300         .xres           = 320,
 301         .yres           = 240,
 302         .bpp            = 16,
 303         .hsync_len      = 7,
 304         .left_margin    = 11,
 305         .right_margin   = 30,
 306         .vsync_len      = 2,
 307         .upper_margin   = 2,
 308         .lower_margin   = 0,
 309         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 310 };
 311
 312 static struct pxafb_mach_info poodle_fb_info = {
 313         .modes          = &poodle_fb_mode,
 314         .num_modes      = 1,
 315         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 316         .lccr3          = 0,
 317 };
 318
 319 static struct platform_device *devices[] __initdata = {
 320         &poodle_locomo_device,
 321         &poodle_scoop_device,
 322         &poodle_ssp_device,
 323         &poodle_ts_device,
 324 };
 325
 326 static void poodle_poweroff(void)
 327 {
 328         RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
 329         arm_machine_restart('h');
 330 }
 331
 332 static void poodle_restart(char mode)
 333 {
 334         RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
 335         arm_machine_restart('h');
 336 }
 337
 338 static void __init poodle_init(void)
 339 {
 340         int ret = 0;
 341
 342         pm_power_off = poodle_poweroff;
 343         arm_pm_restart = poodle_restart;
 344
 345         /* setup sleep mode values */
 346         PWER  = 0x00000002;
 347         PFER  = 0x00000000;
 348         PRER  = 0x00000002;
 349         PGSR0 = 0x00008000;
 350         PGSR1 = 0x003F0202;
 351         PGSR2 = 0x0001C000;
 352         PCFR |= PCFR_OPDE;
 353
 354         /* cpu initialize */
 355         /* Pgsr Register */
 356         PGSR0 = 0x0146dd80;
 357         PGSR1 = 0x03bf0890;
 358         PGSR2 = 0x0001c000;
 359
 360         /* Alternate Register */
 361         GAFR0_L = 0x01001000;
 362         GAFR0_U = 0x591a8010;
 363         GAFR1_L = 0x900a8451;
 364         GAFR1_U = 0xaaa5aaaa;
 365         GAFR2_L = 0x8aaaaaaa;
 366         GAFR2_U = 0x00000002;
 367
 368         /* Direction Register */
 369         GPDR0 = 0xd3f0904c;
 370         GPDR1 = 0xfcffb7d3;
 371         GPDR2 = 0x0001ffff;
 372
 373         /* Output Register */
 374         GPCR0 = 0x00000000;
 375         GPCR1 = 0x00000000;
 376         GPCR2 = 0x00000000;
 377
 378         GPSR0 = 0x00400000;
 379         GPSR1 = 0x00000000;
 380         GPSR2 = 0x00000000;
 381
 382         set_pxa_fb_parent(&poodle_locomo_device.dev);
 383         set_pxa_fb_info(&poodle_fb_info);
 384         pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
 385         pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
 386         pxa_set_udc_info(&udc_info);
 387         pxa_set_mci_info(&poodle_mci_platform_data);
 388         pxa_set_ficp_info(&poodle_ficp_platform_data);
 389
 390         platform_scoop_config = &poodle_pcmcia_config;
 391
 392         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 393         if (ret) {
 394                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 395         }
 396         corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
 397 }
 398
 399 static void __init fixup_poodle(struct machine_desc *desc,
 400                 struct tag *tags, char **cmdline, struct meminfo *mi)
 401 {
 402         sharpsl_save_param();
 403         mi->nr_banks=1;
 404         mi->bank[0].start = 0xa0000000;
 405         mi->bank[0].node = 0;
 406         mi->bank[0].size = (32*1024*1024);
 407 }
 408
 409 MACHINE_START(POODLE, "SHARP Poodle")
 410         .phys_io        = 0x40000000,
 411         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 412         .fixup          = fixup_poodle,
 413         .map_io         = pxa_map_io,
 414         .init_irq       = pxa25x_init_irq,
 415         .timer          = &pxa_timer,
 416         .init_machine   = poodle_init,
 417 MACHINE_END