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