arch/sh/boards/mach-kfr2r09/setup.c

   1 /*
   2  * KFR2R09 board support code
   3  *
   4  * Copyright (C) 2009 Magnus Damm
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/mtd/physmap.h>
  14 #include <linux/mtd/onenand.h>
  15 #include <linux/delay.h>
  16 #include <linux/clk.h>
  17 #include <linux/gpio.h>
  18 #include <linux/input.h>
  19 #include <linux/i2c.h>
  20 #include <linux/usb/r8a66597.h>
  21 #include <video/sh_mobile_lcdc.h>
  22 #include <asm/clock.h>
  23 #include <asm/machvec.h>
  24 #include <asm/io.h>
  25 #include <asm/sh_keysc.h>
  26 #include <cpu/sh7724.h>
  27 #include <mach/kfr2r09.h>
  28
  29 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
  30 {
  31         {
  32                 .name = "boot",
  33                 .offset = 0,
  34                 .size = (4 * 1024 * 1024),
  35                 .mask_flags = MTD_WRITEABLE,    /* Read-only */
  36         },
  37         {
  38                 .name = "other",
  39                 .offset = MTDPART_OFS_APPEND,
  40                 .size = MTDPART_SIZ_FULL,
  41         },
  42 };
  43
  44 static struct physmap_flash_data kfr2r09_nor_flash_data = {
  45         .width          = 2,
  46         .parts          = kfr2r09_nor_flash_partitions,
  47         .nr_parts       = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
  48 };
  49
  50 static struct resource kfr2r09_nor_flash_resources[] = {
  51         [0] = {
  52                 .name           = "NOR Flash",
  53                 .start          = 0x00000000,
  54                 .end            = 0x03ffffff,
  55                 .flags          = IORESOURCE_MEM,
  56         }
  57 };
  58
  59 static struct platform_device kfr2r09_nor_flash_device = {
  60         .name           = "physmap-flash",
  61         .resource       = kfr2r09_nor_flash_resources,
  62         .num_resources  = ARRAY_SIZE(kfr2r09_nor_flash_resources),
  63         .dev            = {
  64                 .platform_data = &kfr2r09_nor_flash_data,
  65         },
  66 };
  67
  68 static struct resource kfr2r09_nand_flash_resources[] = {
  69         [0] = {
  70                 .name           = "NAND Flash",
  71                 .start          = 0x10000000,
  72                 .end            = 0x1001ffff,
  73                 .flags          = IORESOURCE_MEM,
  74         }
  75 };
  76
  77 static struct platform_device kfr2r09_nand_flash_device = {
  78         .name           = "onenand-flash",
  79         .resource       = kfr2r09_nand_flash_resources,
  80         .num_resources  = ARRAY_SIZE(kfr2r09_nand_flash_resources),
  81 };
  82
  83 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
  84         .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
  85         .scan_timing = 3,
  86         .delay = 10,
  87         .keycodes = {
  88                 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
  89                 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
  90                 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
  91                 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
  92                 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
  93                 0, 0, 0, 0, 0
  94         },
  95 };
  96
  97 static struct resource kfr2r09_sh_keysc_resources[] = {
  98         [0] = {
  99                 .name   = "KEYSC",
 100                 .start  = 0x044b0000,
 101                 .end    = 0x044b000f,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .start  = 79,
 106                 .flags  = IORESOURCE_IRQ,
 107         },
 108 };
 109
 110 static struct platform_device kfr2r09_sh_keysc_device = {
 111         .name           = "sh_keysc",
 112         .id             = 0, /* "keysc0" clock */
 113         .num_resources  = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
 114         .resource       = kfr2r09_sh_keysc_resources,
 115         .dev    = {
 116                 .platform_data  = &kfr2r09_sh_keysc_info,
 117         },
 118         .archdata = {
 119                 .hwblk_id = HWBLK_KEYSC,
 120         },
 121 };
 122
 123 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
 124         .clock_source = LCDC_CLK_BUS,
 125         .ch[0] = {
 126                 .chan = LCDC_CHAN_MAINLCD,
 127                 .bpp = 16,
 128                 .interface_type = SYS18,
 129                 .clock_divider = 6,
 130                 .flags = LCDC_FLAGS_DWPOL,
 131                 .lcd_cfg = {
 132                         .name = "TX07D34VM0AAA",
 133                         .xres = 240,
 134                         .yres = 400,
 135                         .left_margin = 0,
 136                         .right_margin = 16,
 137                         .hsync_len = 8,
 138                         .upper_margin = 0,
 139                         .lower_margin = 1,
 140                         .vsync_len = 1,
 141                         .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
 142                 },
 143                 .lcd_size_cfg = {
 144                         .width = 35,
 145                         .height = 58,
 146                 },
 147                 .board_cfg = {
 148                         .setup_sys = kfr2r09_lcd_setup,
 149                         .display_on = kfr2r09_lcd_on,
 150                         .display_off = kfr2r09_lcd_off,
 151                 },
 152                 .sys_bus_cfg = {
 153                         .ldmt2r = 0x07010904,
 154                         .ldmt3r = 0x14012914,
 155                         /* set 1s delay to encourage fsync() */
 156                         .deferred_io_msec = 1000,
 157                 },
 158         }
 159 };
 160
 161 static struct resource kfr2r09_sh_lcdc_resources[] = {
 162         [0] = {
 163                 .name   = "LCDC",
 164                 .start  = 0xfe940000, /* P4-only space */
 165                 .end    = 0xfe942fff,
 166                 .flags  = IORESOURCE_MEM,
 167         },
 168         [1] = {
 169                 .start  = 106,
 170                 .flags  = IORESOURCE_IRQ,
 171         },
 172 };
 173
 174 static struct platform_device kfr2r09_sh_lcdc_device = {
 175         .name           = "sh_mobile_lcdc_fb",
 176         .num_resources  = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
 177         .resource       = kfr2r09_sh_lcdc_resources,
 178         .dev    = {
 179                 .platform_data  = &kfr2r09_sh_lcdc_info,
 180         },
 181         .archdata = {
 182                 .hwblk_id = HWBLK_LCDC,
 183         },
 184 };
 185
 186 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
 187         .on_chip = 1,
 188 };
 189
 190 static struct resource kfr2r09_usb0_gadget_resources[] = {
 191         [0] = {
 192                 .start  = 0x04d80000,
 193                 .end    = 0x04d80123,
 194                 .flags  = IORESOURCE_MEM,
 195         },
 196         [1] = {
 197                 .start  = 65,
 198                 .end    = 65,
 199                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 200         },
 201 };
 202
 203 static struct platform_device kfr2r09_usb0_gadget_device = {
 204         .name           = "r8a66597_udc",
 205         .id             = 0,
 206         .dev = {
 207                 .dma_mask               = NULL,         /*  not use dma */
 208                 .coherent_dma_mask      = 0xffffffff,
 209                 .platform_data  = &kfr2r09_usb0_gadget_data,
 210         },
 211         .num_resources  = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
 212         .resource       = kfr2r09_usb0_gadget_resources,
 213 };
 214
 215 static struct platform_device *kfr2r09_devices[] __initdata = {
 216         &kfr2r09_nor_flash_device,
 217         &kfr2r09_nand_flash_device,
 218         &kfr2r09_sh_keysc_device,
 219         &kfr2r09_sh_lcdc_device,
 220 };
 221
 222 #define BSC_CS0BCR 0xfec10004
 223 #define BSC_CS0WCR 0xfec10024
 224 #define BSC_CS4BCR 0xfec10010
 225 #define BSC_CS4WCR 0xfec10030
 226 #define PORT_MSELCRB 0xa4050182
 227
 228 #ifdef CONFIG_I2C
 229 static int kfr2r09_usb0_gadget_i2c_setup(void)
 230 {
 231         struct i2c_adapter *a;
 232         struct i2c_msg msg;
 233         unsigned char buf[2];
 234         int ret;
 235
 236         a = i2c_get_adapter(0);
 237         if (!a)
 238                 return -ENODEV;
 239
 240         /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
 241         buf[0] = 0x13;
 242         msg.addr = 0x09;
 243         msg.buf = buf;
 244         msg.len = 1;
 245         msg.flags = 0;
 246         ret = i2c_transfer(a, &msg, 1);
 247         if (ret != 1)
 248                 return -ENODEV;
 249
 250         buf[0] = 0;
 251         msg.addr = 0x09;
 252         msg.buf = buf;
 253         msg.len = 1;
 254         msg.flags = I2C_M_RD;
 255         ret = i2c_transfer(a, &msg, 1);
 256         if (ret != 1)
 257                 return -ENODEV;
 258
 259         buf[1] = buf[0] | (1 << 1);
 260         buf[0] = 0x13;
 261         msg.addr = 0x09;
 262         msg.buf = buf;
 263         msg.len = 2;
 264         msg.flags = 0;
 265         ret = i2c_transfer(a, &msg, 1);
 266         if (ret != 1)
 267                 return -ENODEV;
 268
 269         return 0;
 270 }
 271 #else
 272 static int kfr2r09_usb0_gadget_i2c_setup(void)
 273 {
 274         return -ENODEV;
 275 }
 276 #endif
 277
 278 static int kfr2r09_usb0_gadget_setup(void)
 279 {
 280         int plugged_in;
 281
 282         gpio_request(GPIO_PTN4, NULL); /* USB_DET */
 283         gpio_direction_input(GPIO_PTN4);
 284         plugged_in = gpio_get_value(GPIO_PTN4);
 285         if (!plugged_in)
 286                 return -ENODEV; /* no cable plugged in */
 287
 288         if (kfr2r09_usb0_gadget_i2c_setup() != 0)
 289                 return -ENODEV; /* unable to configure using i2c */
 290
 291         ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
 292         gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
 293         gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
 294         gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
 295         msleep(20); /* wait 20ms to let the clock settle */
 296         clk_enable(clk_get(NULL, "usb0"));
 297         ctrl_outw(0x0600, 0xa40501d4);
 298
 299         return 0;
 300 }
 301
 302 static int __init kfr2r09_devices_setup(void)
 303 {
 304         /* enable SCIF1 serial port for YC401 console support */
 305         gpio_request(GPIO_FN_SCIF1_RXD, NULL);
 306         gpio_request(GPIO_FN_SCIF1_TXD, NULL);
 307
 308         /* setup NOR flash at CS0 */
 309         ctrl_outl(0x36db0400, BSC_CS0BCR);
 310         ctrl_outl(0x00000500, BSC_CS0WCR);
 311
 312         /* setup NAND flash at CS4 */
 313         ctrl_outl(0x36db0400, BSC_CS4BCR);
 314         ctrl_outl(0x00000500, BSC_CS4WCR);
 315
 316         /* setup KEYSC pins */
 317         gpio_request(GPIO_FN_KEYOUT0, NULL);
 318         gpio_request(GPIO_FN_KEYOUT1, NULL);
 319         gpio_request(GPIO_FN_KEYOUT2, NULL);
 320         gpio_request(GPIO_FN_KEYOUT3, NULL);
 321         gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
 322         gpio_request(GPIO_FN_KEYIN0, NULL);
 323         gpio_request(GPIO_FN_KEYIN1, NULL);
 324         gpio_request(GPIO_FN_KEYIN2, NULL);
 325         gpio_request(GPIO_FN_KEYIN3, NULL);
 326         gpio_request(GPIO_FN_KEYIN4, NULL);
 327         gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
 328
 329         /* setup LCDC pins for SYS panel */
 330         gpio_request(GPIO_FN_LCDD17, NULL);
 331         gpio_request(GPIO_FN_LCDD16, NULL);
 332         gpio_request(GPIO_FN_LCDD15, NULL);
 333         gpio_request(GPIO_FN_LCDD14, NULL);
 334         gpio_request(GPIO_FN_LCDD13, NULL);
 335         gpio_request(GPIO_FN_LCDD12, NULL);
 336         gpio_request(GPIO_FN_LCDD11, NULL);
 337         gpio_request(GPIO_FN_LCDD10, NULL);
 338         gpio_request(GPIO_FN_LCDD9, NULL);
 339         gpio_request(GPIO_FN_LCDD8, NULL);
 340         gpio_request(GPIO_FN_LCDD7, NULL);
 341         gpio_request(GPIO_FN_LCDD6, NULL);
 342         gpio_request(GPIO_FN_LCDD5, NULL);
 343         gpio_request(GPIO_FN_LCDD4, NULL);
 344         gpio_request(GPIO_FN_LCDD3, NULL);
 345         gpio_request(GPIO_FN_LCDD2, NULL);
 346         gpio_request(GPIO_FN_LCDD1, NULL);
 347         gpio_request(GPIO_FN_LCDD0, NULL);
 348         gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
 349         gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
 350         gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
 351         gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
 352         gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
 353         gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
 354         gpio_direction_output(GPIO_PTE4, 1);
 355         gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
 356         gpio_direction_output(GPIO_PTF4, 1);
 357         gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
 358         gpio_direction_output(GPIO_PTU0, 1);
 359
 360         /* setup USB function */
 361         if (kfr2r09_usb0_gadget_setup() == 0)
 362                 platform_device_register(&kfr2r09_usb0_gadget_device);
 363
 364         return platform_add_devices(kfr2r09_devices,
 365                                     ARRAY_SIZE(kfr2r09_devices));
 366 }
 367 device_initcall(kfr2r09_devices_setup);
 368
 369 /* Return the board specific boot mode pin configuration */
 370 static int kfr2r09_mode_pins(void)
 371 {
 372         /* MD0=1, MD1=1, MD2=0: Clock Mode 3
 373          * MD3=0: 16-bit Area0 Bus Width
 374          * MD5=1: Little Endian
 375          * MD8=1: Test Mode Disabled
 376          */
 377         return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
 378 }
 379
 380 /*
 381  * The Machine Vector
 382  */
 383 static struct sh_machine_vector mv_kfr2r09 __initmv = {
 384         .mv_name                = "kfr2r09",
 385         .mv_mode_pins           = kfr2r09_mode_pins,
 386 };