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/irq.h>
  33 #include <asm/arch/mmc.h>
  34 #include <asm/arch/udc.h>
  35 #include <asm/arch/irda.h>
  36 #include <asm/arch/poodle.h>
  37 #include <asm/arch/pxafb.h>
  38
  39 #include <asm/hardware/scoop.h>
  40 #include <asm/hardware/locomo.h>
  41 #include <asm/mach/sharpsl_param.h>
  42
  43 #include "generic.h"
  44
  45 static struct resource poodle_scoop_resources[] = {
  46         [0] = {
  47                 .start          = 0x10800000,
  48                 .end            = 0x10800fff,
  49                 .flags          = IORESOURCE_MEM,
  50         },
  51 };
  52
  53 static struct scoop_config poodle_scoop_setup = {
  54         .io_dir         = POODLE_SCOOP_IO_DIR,
  55         .io_out         = POODLE_SCOOP_IO_OUT,
  56 };
  57
  58 struct platform_device poodle_scoop_device = {
  59         .name           = "sharp-scoop",
  60         .id             = -1,
  61         .dev            = {
  62                 .platform_data  = &poodle_scoop_setup,
  63         },
  64         .num_resources  = ARRAY_SIZE(poodle_scoop_resources),
  65         .resource       = poodle_scoop_resources,
  66 };
  67
  68 static void poodle_pcmcia_init(void)
  69 {
  70         /* Setup default state of GPIO outputs
  71            before we enable them as outputs. */
  72         GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
  73                 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
  74                 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
  75                 GPIO_bit(GPIO53_nPCE_2);
  76
  77         pxa_gpio_mode(GPIO48_nPOE_MD);
  78         pxa_gpio_mode(GPIO49_nPWE_MD);
  79         pxa_gpio_mode(GPIO50_nPIOR_MD);
  80         pxa_gpio_mode(GPIO51_nPIOW_MD);
  81         pxa_gpio_mode(GPIO55_nPREG_MD);
  82         pxa_gpio_mode(GPIO56_nPWAIT_MD);
  83         pxa_gpio_mode(GPIO57_nIOIS16_MD);
  84         pxa_gpio_mode(GPIO52_nPCE_1_MD);
  85         pxa_gpio_mode(GPIO53_nPCE_2_MD);
  86         pxa_gpio_mode(GPIO54_pSKTSEL_MD);
  87 }
  88
  89 static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
  90 {
  91         .dev        = &poodle_scoop_device.dev,
  92         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
  93         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
  94         .cd_irq_str = "PCMCIA0 CD",
  95 },
  96 };
  97
  98 static struct scoop_pcmcia_config poodle_pcmcia_config = {
  99         .devs         = &poodle_pcmcia_scoop[0],
 100         .num_devs     = 1,
 101         .pcmcia_init  = poodle_pcmcia_init,
 102 };
 103
 104 EXPORT_SYMBOL(poodle_scoop_device);
 105
 106
 107 /* LoCoMo device */
 108 static struct resource locomo_resources[] = {
 109         [0] = {
 110                 .start          = 0x10000000,
 111                 .end            = 0x10001fff,
 112                 .flags          = IORESOURCE_MEM,
 113         },
 114         [1] = {
 115                 .start          = IRQ_GPIO(10),
 116                 .end            = IRQ_GPIO(10),
 117                 .flags          = IORESOURCE_IRQ,
 118         },
 119 };
 120
 121 static struct platform_device locomo_device = {
 122         .name           = "locomo",
 123         .id             = 0,
 124         .num_resources  = ARRAY_SIZE(locomo_resources),
 125         .resource       = locomo_resources,
 126 };
 127
 128
 129 /*
 130  * MMC/SD Device
 131  *
 132  * The card detect interrupt isn't debounced so we delay it by 250ms
 133  * to give the card a chance to fully insert/eject.
 134  */
 135 static struct pxamci_platform_data poodle_mci_platform_data;
 136
 137 static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
 138 {
 139         int err;
 140
 141         /* setup GPIO for PXA25x MMC controller */
 142         pxa_gpio_mode(GPIO6_MMCCLK_MD);
 143         pxa_gpio_mode(GPIO8_MMCCS0_MD);
 144         pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
 145         pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
 146
 147         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 148
 149         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT,
 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         set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
 157
 158         return 0;
 159 }
 160
 161 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 162 {
 163         struct pxamci_platform_data* p_d = dev->platform_data;
 164
 165         if (( 1 << vdd) & p_d->ocr_mask)
 166                 GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 167         else
 168                 GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 169 }
 170
 171 static void poodle_mci_exit(struct device *dev, void *data)
 172 {
 173         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
 174 }
 175
 176 static struct pxamci_platform_data poodle_mci_platform_data = {
 177         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 178         .init           = poodle_mci_init,
 179         .setpower       = poodle_mci_setpower,
 180         .exit           = poodle_mci_exit,
 181 };
 182
 183
 184 /*
 185  * Irda
 186  */
 187 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
 188 {
 189         if (mode & IR_OFF) {
 190                 GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 191         } else {
 192                 GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 193         }
 194 }
 195
 196 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 197         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 198         .transceiver_mode = poodle_irda_transceiver_mode,
 199 };
 200
 201
 202 /*
 203  * USB Device Controller
 204  */
 205 static void poodle_udc_command(int cmd)
 206 {
 207         switch(cmd)     {
 208         case PXA2XX_UDC_CMD_CONNECT:
 209                 GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 210                 break;
 211         case PXA2XX_UDC_CMD_DISCONNECT:
 212                 GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 213                 break;
 214         }
 215 }
 216
 217 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 218         /* no connect GPIO; poodle can't tell connection status */
 219         .udc_command            = poodle_udc_command,
 220 };
 221
 222
 223 /* PXAFB device */
 224 static struct pxafb_mach_info poodle_fb_info __initdata = {
 225         .pixclock       = 144700,
 226
 227         .xres           = 320,
 228         .yres           = 240,
 229         .bpp            = 16,
 230
 231         .hsync_len      = 7,
 232         .left_margin    = 11,
 233         .right_margin   = 30,
 234
 235         .vsync_len      = 2,
 236         .upper_margin   = 2,
 237         .lower_margin   = 0,
 238         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 239
 240         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 241         .lccr3          = 0,
 242
 243         .pxafb_backlight_power  = NULL,
 244         .pxafb_lcd_power        = NULL,
 245 };
 246
 247 static struct platform_device *devices[] __initdata = {
 248         &locomo_device,
 249         &poodle_scoop_device,
 250 };
 251
 252 static void __init poodle_init(void)
 253 {
 254         int ret = 0;
 255
 256         /* setup sleep mode values */
 257         PWER  = 0x00000002;
 258         PFER  = 0x00000000;
 259         PRER  = 0x00000002;
 260         PGSR0 = 0x00008000;
 261         PGSR1 = 0x003F0202;
 262         PGSR2 = 0x0001C000;
 263         PCFR |= PCFR_OPDE;
 264
 265         /* cpu initialize */
 266         /* Pgsr Register */
 267         PGSR0 = 0x0146dd80;
 268         PGSR1 = 0x03bf0890;
 269         PGSR2 = 0x0001c000;
 270
 271         /* Alternate Register */
 272         GAFR0_L = 0x01001000;
 273         GAFR0_U = 0x591a8010;
 274         GAFR1_L = 0x900a8451;
 275         GAFR1_U = 0xaaa5aaaa;
 276         GAFR2_L = 0x8aaaaaaa;
 277         GAFR2_U = 0x00000002;
 278
 279         /* Direction Register */
 280         GPDR0 = 0xd3f0904c;
 281         GPDR1 = 0xfcffb7d3;
 282         GPDR2 = 0x0001ffff;
 283
 284         /* Output Register */
 285         GPCR0 = 0x00000000;
 286         GPCR1 = 0x00000000;
 287         GPCR2 = 0x00000000;
 288
 289         GPSR0 = 0x00400000;
 290         GPSR1 = 0x00000000;
 291         GPSR2 = 0x00000000;
 292
 293         set_pxa_fb_info(&poodle_fb_info);
 294         pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
 295         pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
 296         pxa_set_udc_info(&udc_info);
 297         pxa_set_mci_info(&poodle_mci_platform_data);
 298         pxa_set_ficp_info(&poodle_ficp_platform_data);
 299
 300         platform_scoop_config = &poodle_pcmcia_config;
 301
 302         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 303         if (ret) {
 304                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 305         }
 306 }
 307
 308 static void __init fixup_poodle(struct machine_desc *desc,
 309                 struct tag *tags, char **cmdline, struct meminfo *mi)
 310 {
 311         sharpsl_save_param();
 312 }
 313
 314 MACHINE_START(POODLE, "SHARP Poodle")
 315         .phys_ram       = 0xa0000000,
 316         .phys_io        = 0x40000000,
 317         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 318         .fixup          = fixup_poodle,
 319         .map_io         = pxa_map_io,
 320         .init_irq       = pxa_init_irq,
 321         .timer          = &pxa_timer,
 322         .init_machine   = poodle_init,
 323 MACHINE_END