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/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 struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
  69 {
  70         .dev        = &poodle_scoop_device.dev,
  71         .irq        = POODLE_IRQ_GPIO_CF_IRQ,
  72         .cd_irq     = POODLE_IRQ_GPIO_CF_CD,
  73         .cd_irq_str = "PCMCIA0 CD",
  74 },
  75 };
  76
  77
  78 /* LoCoMo device */
  79 static struct resource locomo_resources[] = {
  80         [0] = {
  81                 .start          = 0x10000000,
  82                 .end            = 0x10001fff,
  83                 .flags          = IORESOURCE_MEM,
  84         },
  85         [1] = {
  86                 .start          = IRQ_GPIO(10),
  87                 .end            = IRQ_GPIO(10),
  88                 .flags          = IORESOURCE_IRQ,
  89         },
  90 };
  91
  92 static struct platform_device locomo_device = {
  93         .name           = "locomo",
  94         .id             = 0,
  95         .num_resources  = ARRAY_SIZE(locomo_resources),
  96         .resource       = locomo_resources,
  97 };
  98
  99
 100 /*
 101  * MMC/SD Device
 102  *
 103  * The card detect interrupt isn't debounced so we delay it by 250ms
 104  * to give the card a chance to fully insert/eject.
 105  */
 106 static struct pxamci_platform_data poodle_mci_platform_data;
 107
 108 static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
 109 {
 110         int err;
 111
 112         /* setup GPIO for PXA25x MMC controller */
 113         pxa_gpio_mode(GPIO6_MMCCLK_MD);
 114         pxa_gpio_mode(GPIO8_MMCCS0_MD);
 115         pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
 116         pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
 117
 118         poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
 119
 120         err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT,
 121                              "MMC card detect", data);
 122         if (err) {
 123                 printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
 124                 return -1;
 125         }
 126
 127         set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
 128
 129         return 0;
 130 }
 131
 132 static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
 133 {
 134         struct pxamci_platform_data* p_d = dev->platform_data;
 135
 136         if (( 1 << vdd) & p_d->ocr_mask)
 137                 GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 138         else
 139                 GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
 140 }
 141
 142 static void poodle_mci_exit(struct device *dev, void *data)
 143 {
 144         free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
 145 }
 146
 147 static struct pxamci_platform_data poodle_mci_platform_data = {
 148         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
 149         .init           = poodle_mci_init,
 150         .setpower       = poodle_mci_setpower,
 151         .exit           = poodle_mci_exit,
 152 };
 153
 154
 155 /*
 156  * Irda
 157  */
 158 static void poodle_irda_transceiver_mode(struct device *dev, int mode)
 159 {
 160         if (mode & IR_OFF) {
 161                 GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 162         } else {
 163                 GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
 164         }
 165 }
 166
 167 static struct pxaficp_platform_data poodle_ficp_platform_data = {
 168         .transceiver_cap  = IR_SIRMODE | IR_OFF,
 169         .transceiver_mode = poodle_irda_transceiver_mode,
 170 };
 171
 172
 173 /*
 174  * USB Device Controller
 175  */
 176 static void poodle_udc_command(int cmd)
 177 {
 178         switch(cmd)     {
 179         case PXA2XX_UDC_CMD_CONNECT:
 180                 GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 181                 break;
 182         case PXA2XX_UDC_CMD_DISCONNECT:
 183                 GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
 184                 break;
 185         }
 186 }
 187
 188 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 189         /* no connect GPIO; poodle can't tell connection status */
 190         .udc_command            = poodle_udc_command,
 191 };
 192
 193
 194 /* PXAFB device */
 195 static struct pxafb_mach_info poodle_fb_info __initdata = {
 196         .pixclock       = 144700,
 197
 198         .xres           = 320,
 199         .yres           = 240,
 200         .bpp            = 16,
 201
 202         .hsync_len      = 7,
 203         .left_margin    = 11,
 204         .right_margin   = 30,
 205
 206         .vsync_len      = 2,
 207         .upper_margin   = 2,
 208         .lower_margin   = 0,
 209         .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 210
 211         .lccr0          = LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
 212         .lccr3          = 0,
 213
 214         .pxafb_backlight_power  = NULL,
 215         .pxafb_lcd_power        = NULL,
 216 };
 217
 218 static struct platform_device *devices[] __initdata = {
 219         &locomo_device,
 220         &poodle_scoop_device,
 221 };
 222
 223 static void __init poodle_init(void)
 224 {
 225         int ret = 0;
 226
 227         /* setup sleep mode values */
 228         PWER  = 0x00000002;
 229         PFER  = 0x00000000;
 230         PRER  = 0x00000002;
 231         PGSR0 = 0x00008000;
 232         PGSR1 = 0x003F0202;
 233         PGSR2 = 0x0001C000;
 234         PCFR |= PCFR_OPDE;
 235
 236         /* cpu initialize */
 237         /* Pgsr Register */
 238         PGSR0 = 0x0146dd80;
 239         PGSR1 = 0x03bf0890;
 240         PGSR2 = 0x0001c000;
 241
 242         /* Alternate Register */
 243         GAFR0_L = 0x01001000;
 244         GAFR0_U = 0x591a8010;
 245         GAFR1_L = 0x900a8451;
 246         GAFR1_U = 0xaaa5aaaa;
 247         GAFR2_L = 0x8aaaaaaa;
 248         GAFR2_U = 0x00000002;
 249
 250         /* Direction Register */
 251         GPDR0 = 0xd3f0904c;
 252         GPDR1 = 0xfcffb7d3;
 253         GPDR2 = 0x0001ffff;
 254
 255         /* Output Register */
 256         GPCR0 = 0x00000000;
 257         GPCR1 = 0x00000000;
 258         GPCR2 = 0x00000000;
 259
 260         GPSR0 = 0x00400000;
 261         GPSR1 = 0x00000000;
 262         GPSR2 = 0x00000000;
 263
 264         set_pxa_fb_info(&poodle_fb_info);
 265         pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
 266         pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
 267         pxa_set_udc_info(&udc_info);
 268         pxa_set_mci_info(&poodle_mci_platform_data);
 269         pxa_set_ficp_info(&poodle_ficp_platform_data);
 270
 271         scoop_num = 1;
 272         scoop_devs = &poodle_pcmcia_scoop[0];
 273
 274         ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 275         if (ret) {
 276                 printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
 277         }
 278 }
 279
 280 static void __init fixup_poodle(struct machine_desc *desc,
 281                 struct tag *tags, char **cmdline, struct meminfo *mi)
 282 {
 283         sharpsl_save_param();
 284 }
 285
 286 MACHINE_START(POODLE, "SHARP Poodle")
 287         .phys_ram       = 0xa0000000,
 288         .phys_io        = 0x40000000,
 289         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 290         .fixup          = fixup_poodle,
 291         .map_io         = pxa_map_io,
 292         .init_irq       = pxa_init_irq,
 293         .timer          = &pxa_timer,
 294         .init_machine   = poodle_init,
 295 MACHINE_END