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
  22 #include <asm/hardware.h>
  23 #include <asm/mach-types.h>
  24 #include <asm/irq.h>
  25 #include <asm/setup.h>
  26
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/mach/irq.h>
  30
  31 #include <asm/arch/pxa-regs.h>
  32 #include <asm/arch/mmc.h>
  33 #include <asm/arch/udc.h>
  34 #include <asm/arch/irda.h>
  35 #include <asm/arch/poodle.h>
  36 #include <asm/arch/pxafb.h>
  37
  38 #include <asm/hardware/scoop.h>
  39 #include <asm/hardware/locomo.h>
  40 #include <asm/mach/sharpsl_param.h>
  41
  42 #include "generic.h"
  43
  44 static struct resource poodle_scoop_resources[] = {
  45         [0] = {
  46                 .start          = 0x10800000,
  47                 .end            = 0x10800fff,
  48                 .flags          = IORESOURCE_MEM,
  49         },
  50 };
  51
  52 static struct scoop_config poodle_scoop_setup = {
  53         .io_dir         = POODLE_SCOOP_IO_DIR,
  54         .io_out         = POODLE_SCOOP_IO_OUT,
  55 };
  56
  57 struct platform_device poodle_scoop_device = {
  58         .name           = "sharp-scoop",
  59         .id             = -1,
  60         .dev            = {
  61                 .platform_data  = &poodle_scoop_setup,
  62         },
  63         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
  64         .resource       = poodle_scoop_resources,
  65 };
  66
  67 static void poodle_pcmcia_init(void)
  68 {
  69         /* Setup default state of GPIO outputs
  70            before we enable them as outputs. */
  71         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
  72                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
  73                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
  74                 GPIO_bit(GPIO53_nPCE_2);
  75
  76         pxa_gpio_mode(GPIO48_nPOE_MD);
  77         pxa_gpio_mode(GPIO49_nPWE_MD);
  78         pxa_gpio_mode(GPIO50_nPIOR_MD);
  79         pxa_gpio_mode(GPIO51_nPIOW_MD);
  80         pxa_gpio_mode(GPIO55_nPREG_MD);
  81         pxa_gpio_mode(GPIO56_nPWAIT_MD);
  82         pxa_gpio_mode(GPIO57_nIOIS16_MD);
  83         pxa_gpio_mode(GPIO52_nPCE_1_MD);
  84         pxa_gpio_mode(GPIO53_nPCE_2_MD);
  85         pxa_gpio_mode(GPIO54_pSKTSEL_MD);
  86 }
  87
  88 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
  89 {
  90         .dev        = &poodle_scoop_device.dev,
  91         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
  92         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
  93         .cd_irq_str = "PCMCIA0 CD",
  94 },
  95 };
  96
  97 static struct scoop_pcmcia_config poodle_pcmcia_config = {
  98         .devs         = &poodle_pcmcia_scoop[0],
  99         .num_devs     = 1,
 100         .pcmcia_init  = poodle_pcmcia_init,
 101 };
 102
 103 EXPORT_SYMBOL(poodle_scoop_device);
 104
 105
 106 /* LoCoMo device */
 107 static struct resource locomo_resources[] = {
 108         [0] = {
 109                 .start          = 0x10000000,
 110                 .end            = 0x10001fff,
 111                 .flags          = IORESOURCE_MEM,
 112         },
 113         [1] = {
 114                 .start          = IRQ_GPIO(10),
 115                 .end            = IRQ_GPIO(10),
 116                 .flags          = IORESOURCE_IRQ,
 117         },
 118 };
 119
 120 static struct platform_device locomo_device = {
 121         .name           = "locomo",
 122         .id             = 0,
 123         .num_resources  = ARRAY_SIZE(locomo_resources),
 124         .resource       = locomo_resources,
 125 };
 126
 127
 128 /*
 129  * MMC/SD Device
 130  *
 131  * The card detect interrupt isn't debounced so we delay it by 250ms
 132  * to give the card a chance to fully insert/eject.
 133  */
 134 static struct pxamci_platform_data poodle_mci_platform_data;
 135
 136 static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
 137 {
 138         int err;
 139
 140         /* setup GPIO for PXA25x MMC controller */
 141         pxa_gpio_mode(GPIO6_MMCCLK_MD);
 142         pxa_gpio_mode(GPIO8_MMCCS0_MD);
 143         pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
 144         pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
 145
 146         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 147
 148         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
 149                           SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
 150                           "MMC card detect", data);
 151         if (err) {
 152                 printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 153                 return -1;
 154         }
 155
 156         return 0;
 157 }
 158
 159 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 160 {
 161         struct pxamci_platform_data* p_d = dev->platform_data;
 162
 163         if (( 1 << vdd) & p_d->ocr_mask)
 164                 GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 165         else
 166                 GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 167 }
 168
 169 static void poodle_mci_exit(struct device *dev, void *data)
 170 {
 171         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
 172 }
 173
 174 static struct pxamci_platform_data poodle_mci_platform_data = {
 175         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 176         .init           = poodle_mci_init,
 177         .setpower       = poodle_mci_setpower,
 178         .exit           = poodle_mci_exit,
 179 };
 180
 181
 182 /*
 183  * Irda
 184  */
 185 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
 186 {
 187         if (mode & IR_OFF) {
 188                 GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 189         } else {
 190                 GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 191         }
 192 }
 193
 194 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 195         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 196         .transceiver_mode = poodle_irda_transceiver_mode,
 197 };
 198
 199
 200 /*
 201  * USB Device Controller
 202  */
 203 static void poodle_udc_command(int cmd)
 204 {
 205         switch(cmd)     {
 206         case PXA2XX_UDC_CMD_CONNECT:
 207                 GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 208                 break;
 209         case PXA2XX_UDC_CMD_DISCONNECT:
 210                 GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 211                 break;
 212         }
 213 }
 214
 215 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 216         /* no connect GPIO; poodle can't tell connection status */
 217         .udc_command            = poodle_udc_command,
 218 };
 219
 220
 221 /* PXAFB device */
 222 static struct pxafb_mach_info poodle_fb_info __initdata = {
 223         .pixclock       = 144700,
 224
 225         .xres           = 320,
 226         .yres           = 240,
 227         .bpp            = 16,
 228
 229         .hsync_len      = 7,
 230         .left_margin    = 11,
 231         .right_margin   = 30,
 232
 233         .vsync_len      = 2,
 234         .upper_margin   = 2,
 235         .lower_margin   = 0,
 236         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 237
 238         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 239         .lccr3          = 0,
 240
 241         .pxafb_backlight_power  = NULL,
 242         .pxafb_lcd_power        = NULL,
 243 };
 244
 245 static struct platform_device *devices[] __initdata = {
 246         &locomo_device,
 247         &poodle_scoop_device,
 248 };
 249
 250 static void __init poodle_init(void)
 251 {
 252         int ret = 0;
 253
 254         /* setup sleep mode values */
 255         PWER  = 0x00000002;
 256         PFER  = 0x00000000;
 257         PRER  = 0x00000002;
 258         PGSR0 = 0x00008000;
 259         PGSR1 = 0x003F0202;
 260         PGSR2 = 0x0001C000;
 261         PCFR |= PCFR_OPDE;
 262
 263         /* cpu initialize */
 264         /* Pgsr Register */
 265         PGSR0 = 0x0146dd80;
 266         PGSR1 = 0x03bf0890;
 267         PGSR2 = 0x0001c000;
 268
 269         /* Alternate Register */
 270         GAFR0_L = 0x01001000;
 271         GAFR0_U = 0x591a8010;
 272         GAFR1_L = 0x900a8451;
 273         GAFR1_U = 0xaaa5aaaa;
 274         GAFR2_L = 0x8aaaaaaa;
 275         GAFR2_U = 0x00000002;
 276
 277         /* Direction Register */
 278         GPDR0 = 0xd3f0904c;
 279         GPDR1 = 0xfcffb7d3;
 280         GPDR2 = 0x0001ffff;
 281
 282         /* Output Register */
 283         GPCR0 = 0x00000000;
 284         GPCR1 = 0x00000000;
 285         GPCR2 = 0x00000000;
 286
 287         GPSR0 = 0x00400000;
 288         GPSR1 = 0x00000000;
 289         GPSR2 = 0x00000000;
 290
 291         set_pxa_fb_info(&poodle_fb_info);
 292         pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
 293         pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
 294         pxa_set_udc_info(&udc_info);
 295         pxa_set_mci_info(&poodle_mci_platform_data);
 296         pxa_set_ficp_info(&poodle_ficp_platform_data);
 297
 298         platform_scoop_config = &poodle_pcmcia_config;
 299
 300         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 301         if (ret) {
 302                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 303         }
 304 }
 305
 306 static void __init fixup_poodle(struct machine_desc *desc,
 307                 struct tag *tags, char **cmdline, struct meminfo *mi)
 308 {
 309         sharpsl_save_param();
 310 }
 311
 312 MACHINE_START(POODLE, "SHARP Poodle")
 313         .phys_io        = 0x40000000,
 314         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 315         .fixup          = fixup_poodle,
 316         .map_io         = pxa_map_io,
 317         .init_irq       = pxa_init_irq,
 318         .timer          = &pxa_timer,
 319         .init_machine   = poodle_init,
 320 MACHINE_END