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 resource fsi_resources[] = {
 123         [0] = {
 124                 .name   = "FSI",
 125                 .start  = 0xEC230000,
 126                 .end    = 0xEC230400 - 1,
 127                 .flags  = IORESOURCE_MEM,
 128         },
 129         [1] = {
 130                 .start  = gic_spi(146),
 131                 .flags  = IORESOURCE_IRQ,
 132         },
 133 };
 134
 135 static struct platform_device fsi_device = {
 136         .name           = "sh_fsi2",
 137         .id             = -1,
 138         .num_resources  = ARRAY_SIZE(fsi_resources),
 139         .resource       = fsi_resources,
 140 };
 141
 142 static struct resource sh_mmcif_resources[] = {
 143         [0] = {
 144                 .name   = "MMCIF",
 145                 .start  = 0xe6bd0000,
 146                 .end    = 0xe6bd00ff,
 147                 .flags  = IORESOURCE_MEM,
 148         },
 149         [1] = {
 150                 .start  = gic_spi(141),
 151                 .flags  = IORESOURCE_IRQ,
 152         },
 153         [2] = {
 154                 .start  = gic_spi(140),
 155                 .flags  = IORESOURCE_IRQ,
 156         },
 157 };
 158
 159 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 160         .sup_pclk       = 0,
 161         .ocr            = MMC_VDD_165_195,
 162         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 163 };
 164
 165 static struct platform_device mmc_device = {
 166         .name           = "sh_mmcif",
 167         .id             = 0,
 168         .dev            = {
 169                 .dma_mask               = NULL,
 170                 .coherent_dma_mask      = 0xffffffff,
 171                 .platform_data          = &sh_mmcif_platdata,
 172         },
 173         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 174         .resource       = sh_mmcif_resources,
 175 };
 176
 177 /* IrDA */
 178 static struct resource irda_resources[] = {
 179         [0] = {
 180                 .start  = 0xE6D00000,
 181                 .end    = 0xE6D01FD4 - 1,
 182                 .flags  = IORESOURCE_MEM,
 183         },
 184         [1] = {
 185                 .start  = gic_spi(95),
 186                 .flags  = IORESOURCE_IRQ,
 187         },
 188 };
 189
 190 static struct platform_device irda_device = {
 191         .name           = "sh_irda",
 192         .id             = 0,
 193         .resource       = irda_resources,
 194         .num_resources  = ARRAY_SIZE(irda_resources),
 195 };
 196
 197 static unsigned char lcd_backlight_seq[3][2] = {
 198         { 0x04, 0x07 },
 199         { 0x23, 0x80 },
 200         { 0x03, 0x01 },
 201 };
 202
 203 static void lcd_backlight_on(void)
 204 {
 205         struct i2c_adapter *a;
 206         struct i2c_msg msg;
 207         int k;
 208
 209         a = i2c_get_adapter(1);
 210         for (k = 0; a && k < 3; k++) {
 211                 msg.addr = 0x6d;
 212                 msg.buf = &lcd_backlight_seq[k][0];
 213                 msg.len = 2;
 214                 msg.flags = 0;
 215                 if (i2c_transfer(a, &msg, 1) != 1)
 216                         break;
 217         }
 218 }
 219
 220 static void lcd_backlight_reset(void)
 221 {
 222         gpio_set_value(GPIO_PORT235, 0);
 223         mdelay(24);
 224         gpio_set_value(GPIO_PORT235, 1);
 225 }
 226
 227 static void lcd_on(void *board_data, struct fb_info *info)
 228 {
 229         lcd_backlight_on();
 230 }
 231
 232 static void lcd_off(void *board_data)
 233 {
 234         lcd_backlight_reset();
 235 }
 236
 237 /* LCDC0 */
 238 static const struct fb_videomode lcdc0_modes[] = {
 239         {
 240                 .name           = "R63302(QHD)",
 241                 .xres           = 544,
 242                 .yres           = 961,
 243                 .left_margin    = 72,
 244                 .right_margin   = 600,
 245                 .hsync_len      = 16,
 246                 .upper_margin   = 8,
 247                 .lower_margin   = 8,
 248                 .vsync_len      = 2,
 249                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 250         },
 251 };
 252
 253 static struct sh_mobile_lcdc_info lcdc0_info = {
 254         .clock_source = LCDC_CLK_PERIPHERAL,
 255         .ch[0] = {
 256                 .chan = LCDC_CHAN_MAINLCD,
 257                 .interface_type = RGB24,
 258                 .clock_divider = 1,
 259                 .flags = LCDC_FLAGS_DWPOL,
 260                 .lcd_size_cfg.width = 44,
 261                 .lcd_size_cfg.height = 79,
 262                 .bpp = 16,
 263                 .lcd_cfg = lcdc0_modes,
 264                 .num_cfg = ARRAY_SIZE(lcdc0_modes),
 265                 .board_cfg = {
 266                         .display_on = lcd_on,
 267                         .display_off = lcd_off,
 268                 },
 269         }
 270 };
 271
 272 static struct resource lcdc0_resources[] = {
 273         [0] = {
 274                 .name   = "LCDC0",
 275                 .start  = 0xfe940000, /* P4-only space */
 276                 .end    = 0xfe943fff,
 277                 .flags  = IORESOURCE_MEM,
 278         },
 279         [1] = {
 280                 .start  = intcs_evt2irq(0x580),
 281                 .flags  = IORESOURCE_IRQ,
 282         },
 283 };
 284
 285 static struct platform_device lcdc0_device = {
 286         .name           = "sh_mobile_lcdc_fb",
 287         .num_resources  = ARRAY_SIZE(lcdc0_resources),
 288         .resource       = lcdc0_resources,
 289         .id             = 0,
 290         .dev    = {
 291                 .platform_data  = &lcdc0_info,
 292                 .coherent_dma_mask = ~0,
 293         },
 294 };
 295
 296 /* MIPI-DSI */
 297 static struct resource mipidsi0_resources[] = {
 298         [0] = {
 299                 .start  = 0xfeab0000,
 300                 .end    = 0xfeab3fff,
 301                 .flags  = IORESOURCE_MEM,
 302         },
 303         [1] = {
 304                 .start  = 0xfeab4000,
 305                 .end    = 0xfeab7fff,
 306                 .flags  = IORESOURCE_MEM,
 307         },
 308 };
 309
 310 static struct sh_mipi_dsi_info mipidsi0_info = {
 311         .data_format    = MIPI_RGB888,
 312         .lcd_chan       = &lcdc0_info.ch[0],
 313         .vsynw_offset   = 20,
 314         .clksrc         = 1,
 315         .flags          = SH_MIPI_DSI_HSABM,
 316 };
 317
 318 static struct platform_device mipidsi0_device = {
 319         .name           = "sh-mipi-dsi",
 320         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 321         .resource       = mipidsi0_resources,
 322         .id             = 0,
 323         .dev    = {
 324                 .platform_data  = &mipidsi0_info,
 325         },
 326 };
 327
 328 static struct platform_device *ag5evm_devices[] __initdata = {
 329         &eth_device,
 330         &keysc_device,
 331         &fsi_device,
 332         &mmc_device,
 333         &irda_device,
 334         &lcdc0_device,
 335         &mipidsi0_device,
 336 };
 337
 338 static struct map_desc ag5evm_io_desc[] __initdata = {
 339         /* create a 1:1 entity map for 0xe6xxxxxx
 340          * used by CPGA, INTC and PFC.
 341          */
 342         {
 343                 .virtual        = 0xe6000000,
 344                 .pfn            = __phys_to_pfn(0xe6000000),
 345                 .length         = 256 << 20,
 346                 .type           = MT_DEVICE_NONSHARED
 347         },
 348 };
 349
 350 static void __init ag5evm_map_io(void)
 351 {
 352         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 353
 354         /* setup early devices and console here as well */
 355         sh73a0_add_early_devices();
 356         shmobile_setup_console();
 357 }
 358
 359 #define PINTC_ADDR      0xe6900000
 360 #define PINTER0A        (PINTC_ADDR + 0xa0)
 361 #define PINTCR0A        (PINTC_ADDR + 0xb0)
 362
 363 void __init ag5evm_init_irq(void)
 364 {
 365         sh73a0_init_irq();
 366
 367         /* setup PINT: enable PINTA2 as active low */
 368         __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
 369         __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 370 }
 371
 372 #define DSI0PHYCR       0xe615006c
 373
 374 static void __init ag5evm_init(void)
 375 {
 376         sh73a0_pinmux_init();
 377
 378         /* enable SCIFA2 */
 379         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 380         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 381         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 382         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 383
 384         /* enable KEYSC */
 385         gpio_request(GPIO_FN_KEYIN0_PU, NULL);
 386         gpio_request(GPIO_FN_KEYIN1_PU, NULL);
 387         gpio_request(GPIO_FN_KEYIN2_PU, NULL);
 388         gpio_request(GPIO_FN_KEYIN3_PU, NULL);
 389         gpio_request(GPIO_FN_KEYIN4_PU, NULL);
 390         gpio_request(GPIO_FN_KEYIN5_PU, NULL);
 391         gpio_request(GPIO_FN_KEYIN6_PU, NULL);
 392         gpio_request(GPIO_FN_KEYIN7_PU, NULL);
 393         gpio_request(GPIO_FN_KEYOUT0, NULL);
 394         gpio_request(GPIO_FN_KEYOUT1, NULL);
 395         gpio_request(GPIO_FN_KEYOUT2, NULL);
 396         gpio_request(GPIO_FN_KEYOUT3, NULL);
 397         gpio_request(GPIO_FN_KEYOUT4, NULL);
 398         gpio_request(GPIO_FN_KEYOUT5, NULL);
 399         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 400         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 401         gpio_request(GPIO_FN_KEYOUT8, NULL);
 402         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 403
 404         /* enable I2C channel 2 and 3 */
 405         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 406         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 407         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 408         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 409
 410         /* enable MMCIF */
 411         gpio_request(GPIO_FN_MMCCLK0, NULL);
 412         gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
 413         gpio_request(GPIO_FN_MMCD0_0, NULL);
 414         gpio_request(GPIO_FN_MMCD0_1, NULL);
 415         gpio_request(GPIO_FN_MMCD0_2, NULL);
 416         gpio_request(GPIO_FN_MMCD0_3, NULL);
 417         gpio_request(GPIO_FN_MMCD0_4, NULL);
 418         gpio_request(GPIO_FN_MMCD0_5, NULL);
 419         gpio_request(GPIO_FN_MMCD0_6, NULL);
 420         gpio_request(GPIO_FN_MMCD0_7, NULL);
 421         gpio_request(GPIO_PORT208, NULL); /* Reset */
 422         gpio_direction_output(GPIO_PORT208, 1);
 423
 424         /* enable SMSC911X */
 425         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 426         gpio_direction_input(GPIO_PORT144);
 427         gpio_request(GPIO_PORT145, NULL); /* RESET */
 428         gpio_direction_output(GPIO_PORT145, 1);
 429
 430         /* FSI A */
 431         gpio_request(GPIO_FN_FSIACK, NULL);
 432         gpio_request(GPIO_FN_FSIAILR, NULL);
 433         gpio_request(GPIO_FN_FSIAIBT, NULL);
 434         gpio_request(GPIO_FN_FSIAISLD, NULL);
 435         gpio_request(GPIO_FN_FSIAOSLD, NULL);
 436
 437         /* IrDA */
 438         gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
 439         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
 440         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 441
 442         /* LCD panel */
 443         gpio_request(GPIO_PORT217, NULL); /* RESET */
 444         gpio_direction_output(GPIO_PORT217, 0);
 445         mdelay(1);
 446         gpio_set_value(GPIO_PORT217, 1);
 447         mdelay(100);
 448
 449         /* LCD backlight controller */
 450         gpio_request(GPIO_PORT235, NULL); /* RESET */
 451         gpio_direction_output(GPIO_PORT235, 0);
 452         lcd_backlight_reset();
 453
 454         /* MIPI-DSI clock setup */
 455         __raw_writel(0x2a809010, DSI0PHYCR);
 456
 457 #ifdef CONFIG_CACHE_L2X0
 458         /* Shared attribute override enable, 64K*8way */
 459         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 460 #endif
 461         sh73a0_add_standard_devices();
 462         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 463 }
 464
 465 static void __init ag5evm_timer_init(void)
 466 {
 467         sh73a0_clock_init();
 468         shmobile_timer.init();
 469         return;
 470 }
 471
 472 struct sys_timer ag5evm_timer = {
 473         .init   = ag5evm_timer_init,
 474 };
 475
 476 MACHINE_START(AG5EVM, "ag5evm")
 477         .map_io         = ag5evm_map_io,
 478         .init_irq       = ag5evm_init_irq,
 479         .handle_irq     = shmobile_handle_irq_gic,
 480         .init_machine   = ag5evm_init,
 481         .timer          = &ag5evm_timer,
 482 MACHINE_END