arch/arm/mach-shmobile/board-ag5evm.c

   1 /*
   2  * arch/arm/mach-shmobile/board-ag5evm.c
   3  *
   4  * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>
   5  * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/irq.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/delay.h>
  28 #include <linux/io.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/serial_sci.h>
  31 #include <linux/smsc911x.h>
  32 #include <linux/gpio.h>
  33 #include <linux/input.h>
  34 #include <linux/input/sh_keysc.h>
  35 #include <linux/mmc/host.h>
  36 #include <linux/mmc/sh_mmcif.h>
  37 #include <linux/sh_clk.h>
  38 #include <video/sh_mobile_lcdc.h>
  39 #include <video/sh_mipi_dsi.h>
  40 #include <sound/sh_fsi.h>
  41 #include <mach/hardware.h>
  42 #include <mach/sh73a0.h>
  43 #include <mach/common.h>
  44 #include <asm/mach-types.h>
  45 #include <asm/mach/arch.h>
  46 #include <asm/mach/map.h>
  47 #include <asm/mach/time.h>
  48 #include <asm/hardware/gic.h>
  49 #include <asm/hardware/cache-l2x0.h>
  50 #include <asm/traps.h>
  51
  52 static struct resource smsc9220_resources[] = {
  53         [0] = {
  54                 .start          = 0x14000000,
  55                 .end            = 0x14000000 + SZ_64K - 1,
  56                 .flags          = IORESOURCE_MEM,
  57         },
  58         [1] = {
  59                 .start          = gic_spi(33), /* PINT1 */
  60                 .flags          = IORESOURCE_IRQ,
  61         },
  62 };
  63
  64 static struct smsc911x_platform_config smsc9220_platdata = {
  65         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  66         .phy_interface  = PHY_INTERFACE_MODE_MII,
  67         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  68         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  69 };
  70
  71 static struct platform_device eth_device = {
  72         .name           = "smsc911x",
  73         .id             = 0,
  74         .dev  = {
  75                 .platform_data = &smsc9220_platdata,
  76         },
  77         .resource       = smsc9220_resources,
  78         .num_resources  = ARRAY_SIZE(smsc9220_resources),
  79 };
  80
  81 static struct sh_keysc_info keysc_platdata = {
  82         .mode           = SH_KEYSC_MODE_6,
  83         .scan_timing    = 3,
  84         .delay          = 100,
  85         .keycodes       = {
  86                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
  87                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
  88                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
  89                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
  90                 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
  91                 KEY_COFFEE,
  92                 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
  93                 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
  94                 KEY_COMPUTER,
  95         },
  96 };
  97
  98 static struct resource keysc_resources[] = {
  99         [0] = {
 100                 .name   = "KEYSC",
 101                 .start  = 0xe61b0000,
 102                 .end    = 0xe61b0098 - 1,
 103                 .flags  = IORESOURCE_MEM,
 104         },
 105         [1] = {
 106                 .start  = gic_spi(71),
 107                 .flags  = IORESOURCE_IRQ,
 108         },
 109 };
 110
 111 static struct platform_device keysc_device = {
 112         .name           = "sh_keysc",
 113         .id             = 0,
 114         .num_resources  = ARRAY_SIZE(keysc_resources),
 115         .resource       = keysc_resources,
 116         .dev            = {
 117                 .platform_data  = &keysc_platdata,
 118         },
 119 };
 120
 121 /* FSI A */
 122 static struct sh_fsi_platform_info fsi_info = {
 123         .porta_flags = SH_FSI_OUT_SLAVE_MODE    |
 124                        SH_FSI_IN_SLAVE_MODE     |
 125                        SH_FSI_OFMT(I2S)         |
 126                        SH_FSI_IFMT(I2S),
 127 };
 128
 129 static struct resource fsi_resources[] = {
 130         [0] = {
 131                 .name   = "FSI",
 132                 .start  = 0xEC230000,
 133                 .end    = 0xEC230400 - 1,
 134                 .flags  = IORESOURCE_MEM,
 135         },
 136         [1] = {
 137                 .start  = gic_spi(146),
 138                 .flags  = IORESOURCE_IRQ,
 139         },
 140 };
 141
 142 static struct platform_device fsi_device = {
 143         .name           = "sh_fsi2",
 144         .id             = -1,
 145         .num_resources  = ARRAY_SIZE(fsi_resources),
 146         .resource       = fsi_resources,
 147         .dev    = {
 148                 .platform_data  = &fsi_info,
 149         },
 150 };
 151
 152 static struct resource sh_mmcif_resources[] = {
 153         [0] = {
 154                 .name   = "MMCIF",
 155                 .start  = 0xe6bd0000,
 156                 .end    = 0xe6bd00ff,
 157                 .flags  = IORESOURCE_MEM,
 158         },
 159         [1] = {
 160                 .start  = gic_spi(141),
 161                 .flags  = IORESOURCE_IRQ,
 162         },
 163         [2] = {
 164                 .start  = gic_spi(140),
 165                 .flags  = IORESOURCE_IRQ,
 166         },
 167 };
 168
 169 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 170         .sup_pclk       = 0,
 171         .ocr            = MMC_VDD_165_195,
 172         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 173 };
 174
 175 static struct platform_device mmc_device = {
 176         .name           = "sh_mmcif",
 177         .id             = 0,
 178         .dev            = {
 179                 .dma_mask               = NULL,
 180                 .coherent_dma_mask      = 0xffffffff,
 181                 .platform_data          = &sh_mmcif_platdata,
 182         },
 183         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 184         .resource       = sh_mmcif_resources,
 185 };
 186
 187 /* IrDA */
 188 static struct resource irda_resources[] = {
 189         [0] = {
 190                 .start  = 0xE6D00000,
 191                 .end    = 0xE6D01FD4 - 1,
 192                 .flags  = IORESOURCE_MEM,
 193         },
 194         [1] = {
 195                 .start  = gic_spi(95),
 196                 .flags  = IORESOURCE_IRQ,
 197         },
 198 };
 199
 200 static struct platform_device irda_device = {
 201         .name           = "sh_irda",
 202         .id             = 0,
 203         .resource       = irda_resources,
 204         .num_resources  = ARRAY_SIZE(irda_resources),
 205 };
 206
 207 static unsigned char lcd_backlight_seq[3][2] = {
 208         { 0x04, 0x07 },
 209         { 0x23, 0x80 },
 210         { 0x03, 0x01 },
 211 };
 212
 213 static void lcd_backlight_on(void)
 214 {
 215         struct i2c_adapter *a;
 216         struct i2c_msg msg;
 217         int k;
 218
 219         a = i2c_get_adapter(1);
 220         for (k = 0; a && k < 3; k++) {
 221                 msg.addr = 0x6d;
 222                 msg.buf = &lcd_backlight_seq[k][0];
 223                 msg.len = 2;
 224                 msg.flags = 0;
 225                 if (i2c_transfer(a, &msg, 1) != 1)
 226                         break;
 227         }
 228 }
 229
 230 static void lcd_backlight_reset(void)
 231 {
 232         gpio_set_value(GPIO_PORT235, 0);
 233         mdelay(24);
 234         gpio_set_value(GPIO_PORT235, 1);
 235 }
 236
 237 static void lcd_on(void *board_data, struct fb_info *info)
 238 {
 239         lcd_backlight_on();
 240 }
 241
 242 static void lcd_off(void *board_data)
 243 {
 244         lcd_backlight_reset();
 245 }
 246
 247 /* LCDC0 */
 248 static const struct fb_videomode lcdc0_modes[] = {
 249         {
 250                 .name           = "R63302(QHD)",
 251                 .xres           = 544,
 252                 .yres           = 961,
 253                 .left_margin    = 72,
 254                 .right_margin   = 600,
 255                 .hsync_len      = 16,
 256                 .upper_margin   = 8,
 257                 .lower_margin   = 8,
 258                 .vsync_len      = 2,
 259                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 260         },
 261 };
 262
 263 static struct sh_mobile_lcdc_info lcdc0_info = {
 264         .clock_source = LCDC_CLK_PERIPHERAL,
 265         .ch[0] = {
 266                 .chan = LCDC_CHAN_MAINLCD,
 267                 .interface_type = RGB24,
 268                 .clock_divider = 1,
 269                 .flags = LCDC_FLAGS_DWPOL,
 270                 .lcd_size_cfg.width = 44,
 271                 .lcd_size_cfg.height = 79,
 272                 .bpp = 16,
 273                 .lcd_cfg = lcdc0_modes,
 274                 .num_cfg = ARRAY_SIZE(lcdc0_modes),
 275                 .board_cfg = {
 276                         .display_on = lcd_on,
 277                         .display_off = lcd_off,
 278                 },
 279         }
 280 };
 281
 282 static struct resource lcdc0_resources[] = {
 283         [0] = {
 284                 .name   = "LCDC0",
 285                 .start  = 0xfe940000, /* P4-only space */
 286                 .end    = 0xfe943fff,
 287                 .flags  = IORESOURCE_MEM,
 288         },
 289         [1] = {
 290                 .start  = intcs_evt2irq(0x580),
 291                 .flags  = IORESOURCE_IRQ,
 292         },
 293 };
 294
 295 static struct platform_device lcdc0_device = {
 296         .name           = "sh_mobile_lcdc_fb",
 297         .num_resources  = ARRAY_SIZE(lcdc0_resources),
 298         .resource       = lcdc0_resources,
 299         .id             = 0,
 300         .dev    = {
 301                 .platform_data  = &lcdc0_info,
 302                 .coherent_dma_mask = ~0,
 303         },
 304 };
 305
 306 /* MIPI-DSI */
 307 static struct resource mipidsi0_resources[] = {
 308         [0] = {
 309                 .start  = 0xfeab0000,
 310                 .end    = 0xfeab3fff,
 311                 .flags  = IORESOURCE_MEM,
 312         },
 313         [1] = {
 314                 .start  = 0xfeab4000,
 315                 .end    = 0xfeab7fff,
 316                 .flags  = IORESOURCE_MEM,
 317         },
 318 };
 319
 320 static struct sh_mipi_dsi_info mipidsi0_info = {
 321         .data_format    = MIPI_RGB888,
 322         .lcd_chan       = &lcdc0_info.ch[0],
 323         .vsynw_offset   = 20,
 324         .clksrc         = 1,
 325         .flags          = SH_MIPI_DSI_HSABM,
 326 };
 327
 328 static struct platform_device mipidsi0_device = {
 329         .name           = "sh-mipi-dsi",
 330         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 331         .resource       = mipidsi0_resources,
 332         .id             = 0,
 333         .dev    = {
 334                 .platform_data  = &mipidsi0_info,
 335         },
 336 };
 337
 338 static struct platform_device *ag5evm_devices[] __initdata = {
 339         &eth_device,
 340         &keysc_device,
 341         &fsi_device,
 342         &mmc_device,
 343         &irda_device,
 344         &lcdc0_device,
 345         &mipidsi0_device,
 346 };
 347
 348 static struct map_desc ag5evm_io_desc[] __initdata = {
 349         /* create a 1:1 entity map for 0xe6xxxxxx
 350          * used by CPGA, INTC and PFC.
 351          */
 352         {
 353                 .virtual        = 0xe6000000,
 354                 .pfn            = __phys_to_pfn(0xe6000000),
 355                 .length         = 256 << 20,
 356                 .type           = MT_DEVICE_NONSHARED
 357         },
 358 };
 359
 360 static void __init ag5evm_map_io(void)
 361 {
 362         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 363
 364         /* setup early devices and console here as well */
 365         sh73a0_add_early_devices();
 366         shmobile_setup_console();
 367 }
 368
 369 #define PINTC_ADDR      0xe6900000
 370 #define PINTER0A        (PINTC_ADDR + 0xa0)
 371 #define PINTCR0A        (PINTC_ADDR + 0xb0)
 372
 373 void __init ag5evm_init_irq(void)
 374 {
 375         sh73a0_init_irq();
 376
 377         /* setup PINT: enable PINTA2 as active low */
 378         __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
 379         __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 380 }
 381
 382 #define DSI0PHYCR       0xe615006c
 383
 384 static void __init ag5evm_init(void)
 385 {
 386         sh73a0_pinmux_init();
 387
 388         /* enable SCIFA2 */
 389         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 390         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 391         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 392         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 393
 394         /* enable KEYSC */
 395         gpio_request(GPIO_FN_KEYIN0_PU, NULL);
 396         gpio_request(GPIO_FN_KEYIN1_PU, NULL);
 397         gpio_request(GPIO_FN_KEYIN2_PU, NULL);
 398         gpio_request(GPIO_FN_KEYIN3_PU, NULL);
 399         gpio_request(GPIO_FN_KEYIN4_PU, NULL);
 400         gpio_request(GPIO_FN_KEYIN5_PU, NULL);
 401         gpio_request(GPIO_FN_KEYIN6_PU, NULL);
 402         gpio_request(GPIO_FN_KEYIN7_PU, NULL);
 403         gpio_request(GPIO_FN_KEYOUT0, NULL);
 404         gpio_request(GPIO_FN_KEYOUT1, NULL);
 405         gpio_request(GPIO_FN_KEYOUT2, NULL);
 406         gpio_request(GPIO_FN_KEYOUT3, NULL);
 407         gpio_request(GPIO_FN_KEYOUT4, NULL);
 408         gpio_request(GPIO_FN_KEYOUT5, NULL);
 409         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 410         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 411         gpio_request(GPIO_FN_KEYOUT8, NULL);
 412         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 413
 414         /* enable I2C channel 2 and 3 */
 415         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 416         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 417         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 418         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 419
 420         /* enable MMCIF */
 421         gpio_request(GPIO_FN_MMCCLK0, NULL);
 422         gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
 423         gpio_request(GPIO_FN_MMCD0_0, NULL);
 424         gpio_request(GPIO_FN_MMCD0_1, NULL);
 425         gpio_request(GPIO_FN_MMCD0_2, NULL);
 426         gpio_request(GPIO_FN_MMCD0_3, NULL);
 427         gpio_request(GPIO_FN_MMCD0_4, NULL);
 428         gpio_request(GPIO_FN_MMCD0_5, NULL);
 429         gpio_request(GPIO_FN_MMCD0_6, NULL);
 430         gpio_request(GPIO_FN_MMCD0_7, NULL);
 431         gpio_request(GPIO_PORT208, NULL); /* Reset */
 432         gpio_direction_output(GPIO_PORT208, 1);
 433
 434         /* enable SMSC911X */
 435         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 436         gpio_direction_input(GPIO_PORT144);
 437         gpio_request(GPIO_PORT145, NULL); /* RESET */
 438         gpio_direction_output(GPIO_PORT145, 1);
 439
 440         /* FSI A */
 441         gpio_request(GPIO_FN_FSIACK, NULL);
 442         gpio_request(GPIO_FN_FSIAILR, NULL);
 443         gpio_request(GPIO_FN_FSIAIBT, NULL);
 444         gpio_request(GPIO_FN_FSIAISLD, NULL);
 445         gpio_request(GPIO_FN_FSIAOSLD, NULL);
 446
 447         /* IrDA */
 448         gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
 449         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
 450         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 451
 452         /* LCD panel */
 453         gpio_request(GPIO_PORT217, NULL); /* RESET */
 454         gpio_direction_output(GPIO_PORT217, 0);
 455         mdelay(1);
 456         gpio_set_value(GPIO_PORT217, 1);
 457
 458         /* LCD backlight controller */
 459         gpio_request(GPIO_PORT235, NULL); /* RESET */
 460         gpio_direction_output(GPIO_PORT235, 0);
 461         lcd_backlight_reset();
 462
 463         /* MIPI-DSI clock setup */
 464         __raw_writel(0x2a809010, DSI0PHYCR);
 465
 466 #ifdef CONFIG_CACHE_L2X0
 467         /* Shared attribute override enable, 64K*8way */
 468         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 469 #endif
 470         sh73a0_add_standard_devices();
 471         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 472 }
 473
 474 static void __init ag5evm_timer_init(void)
 475 {
 476         sh73a0_clock_init();
 477         shmobile_timer.init();
 478         return;
 479 }
 480
 481 struct sys_timer ag5evm_timer = {
 482         .init   = ag5evm_timer_init,
 483 };
 484
 485 MACHINE_START(AG5EVM, "ag5evm")
 486         .map_io         = ag5evm_map_io,
 487         .init_irq       = ag5evm_init_irq,
 488         .handle_irq     = shmobile_handle_irq_gic,
 489         .init_machine   = ag5evm_init,
 490         .timer          = &ag5evm_timer,
 491 MACHINE_END