arch/arm/mach-shmobile/board-armadillo800eva.c

   1 /*
   2  * armadillo 800 eva board support
   3  *
   4  * Copyright (C) 2012 Renesas Solutions Corp.
   5  * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@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/clk.h>
  23 #include <linux/err.h>
  24 #include <linux/kernel.h>
  25 #include <linux/input.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/gpio.h>
  28 #include <linux/gpio_keys.h>
  29 #include <linux/sh_eth.h>
  30 #include <linux/videodev2.h>
  31 #include <mach/common.h>
  32 #include <mach/irqs.h>
  33 #include <asm/page.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <asm/mach/time.h>
  38 #include <asm/hardware/cache-l2x0.h>
  39 #include <mach/r8a7740.h>
  40 #include <video/sh_mobile_lcdc.h>
  41
  42 /*
  43  * CON1         Camera Module
  44  * CON2         Extension Bus
  45  * CON3         HDMI Output
  46  * CON4         Composite Video Output
  47  * CON5         H-UDI JTAG
  48  * CON6         ARM JTAG
  49  * CON7         SD1
  50  * CON8         SD2
  51  * CON9         RTC BackUp
  52  * CON10        Monaural Mic Input
  53  * CON11        Stereo Headphone Output
  54  * CON12        Audio Line Output(L)
  55  * CON13        Audio Line Output(R)
  56  * CON14        AWL13 Module
  57  * CON15        Extension
  58  * CON16        LCD1
  59  * CON17        LCD2
  60  * CON19        Power Input
  61  * CON20        USB1
  62  * CON21        USB2
  63  * CON22        Serial
  64  * CON23        LAN
  65  * CON24        USB3
  66  * LED1         Camera LED(Yellow)
  67  * LED2         Power LED (Green)
  68  * ED3-LED6     User LED(Yellow)
  69  * LED7         LAN link LED(Green)
  70  * LED8         LAN activity LED(Yellow)
  71  */
  72
  73 /*
  74  * DipSwitch
  75  *
  76  *                    SW1
  77  *
  78  * -12345678-+---------------+----------------------------
  79  *  1        | boot          | hermit
  80  *  0        | boot          | OS auto boot
  81  * -12345678-+---------------+----------------------------
  82  *   00      | boot device   | eMMC
  83  *   10      | boot device   | SDHI0 (CON7)
  84  *   01      | boot device   | -
  85  *   11      | boot device   | Extension Buss (CS0)
  86  * -12345678-+---------------+----------------------------
  87  *     0     | Extension Bus | D8-D15 disable, eMMC enable
  88  *     1     | Extension Bus | D8-D15 enable,  eMMC disable
  89  * -12345678-+---------------+----------------------------
  90  *      0    | SDHI1         | COM8 enable,  COM14 disable
  91  *      1    | SDHI1         | COM8 enable,  COM14 disable
  92  * -12345678-+---------------+----------------------------
  93  *        00 | JTAG          | SH-X2
  94  *        10 | JTAG          | ARM
  95  *        01 | JTAG          | -
  96  *        11 | JTAG          | Boundary Scan
  97  *-----------+---------------+----------------------------
  98  */
  99
 100 /* Ether */
 101 static struct sh_eth_plat_data sh_eth_platdata = {
 102         .phy                    = 0x00, /* LAN8710A */
 103         .edmac_endian           = EDMAC_LITTLE_ENDIAN,
 104         .register_type          = SH_ETH_REG_GIGABIT,
 105         .phy_interface          = PHY_INTERFACE_MODE_MII,
 106 };
 107
 108 static struct resource sh_eth_resources[] = {
 109         {
 110                 .start  = 0xe9a00000,
 111                 .end    = 0xe9a00800 - 1,
 112                 .flags  = IORESOURCE_MEM,
 113         }, {
 114                 .start  = 0xe9a01800,
 115                 .end    = 0xe9a02000 - 1,
 116                 .flags  = IORESOURCE_MEM,
 117         }, {
 118                 .start  = evt2irq(0x0500),
 119                 .flags  = IORESOURCE_IRQ,
 120         },
 121 };
 122
 123 static struct platform_device sh_eth_device = {
 124         .name = "sh-eth",
 125         .dev = {
 126                 .platform_data = &sh_eth_platdata,
 127         },
 128         .resource = sh_eth_resources,
 129         .num_resources = ARRAY_SIZE(sh_eth_resources),
 130 };
 131
 132 /* LCDC */
 133 static struct fb_videomode lcdc0_mode = {
 134         .name           = "AMPIER/AM-800480",
 135         .xres           = 800,
 136         .yres           = 480,
 137         .left_margin    = 88,
 138         .right_margin   = 40,
 139         .hsync_len      = 128,
 140         .upper_margin   = 20,
 141         .lower_margin   = 5,
 142         .vsync_len      = 5,
 143         .sync           = 0,
 144 };
 145
 146 static struct sh_mobile_lcdc_info lcdc0_info = {
 147         .clock_source   = LCDC_CLK_BUS,
 148         .ch[0] = {
 149                 .chan           = LCDC_CHAN_MAINLCD,
 150                 .fourcc         = V4L2_PIX_FMT_RGB565,
 151                 .interface_type = RGB24,
 152                 .clock_divider  = 5,
 153                 .flags          = 0,
 154                 .lcd_modes      = &lcdc0_mode,
 155                 .num_modes      = 1,
 156                 .panel_cfg = {
 157                         .width  = 111,
 158                         .height = 68,
 159                 },
 160         },
 161 };
 162
 163 static struct resource lcdc0_resources[] = {
 164         [0] = {
 165                 .name   = "LCD0",
 166                 .start  = 0xfe940000,
 167                 .end    = 0xfe943fff,
 168                 .flags  = IORESOURCE_MEM,
 169         },
 170         [1] = {
 171                 .start  = intcs_evt2irq(0x580),
 172                 .flags  = IORESOURCE_IRQ,
 173         },
 174 };
 175
 176 static struct platform_device lcdc0_device = {
 177         .name           = "sh_mobile_lcdc_fb",
 178         .num_resources  = ARRAY_SIZE(lcdc0_resources),
 179         .resource       = lcdc0_resources,
 180         .id             = 0,
 181         .dev    = {
 182                 .platform_data  = &lcdc0_info,
 183                 .coherent_dma_mask = ~0,
 184         },
 185 };
 186
 187 /* GPIO KEY */
 188 #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 }
 189
 190 static struct gpio_keys_button gpio_buttons[] = {
 191         GPIO_KEY(KEY_POWER,     GPIO_PORT99,    "SW1"),
 192         GPIO_KEY(KEY_BACK,      GPIO_PORT100,   "SW2"),
 193         GPIO_KEY(KEY_MENU,      GPIO_PORT97,    "SW3"),
 194         GPIO_KEY(KEY_HOME,      GPIO_PORT98,    "SW4"),
 195 };
 196
 197 static struct gpio_keys_platform_data gpio_key_info = {
 198         .buttons        = gpio_buttons,
 199         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 200 };
 201
 202 static struct platform_device gpio_keys_device = {
 203         .name   = "gpio-keys",
 204         .id     = -1,
 205         .dev    = {
 206                 .platform_data  = &gpio_key_info,
 207         },
 208 };
 209
 210 /* I2C */
 211 static struct i2c_board_info i2c0_devices[] = {
 212         {
 213                 I2C_BOARD_INFO("st1232-ts", 0x55),
 214                 .irq = evt2irq(0x0340),
 215         },
 216 };
 217
 218 /*
 219  * board devices
 220  */
 221 static struct platform_device *eva_devices[] __initdata = {
 222         &lcdc0_device,
 223         &gpio_keys_device,
 224         &sh_eth_device,
 225 };
 226
 227 /*
 228  * board init
 229  */
 230 static void __init eva_init(void)
 231 {
 232         r8a7740_pinmux_init();
 233
 234         /* SCIFA1 */
 235         gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
 236         gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
 237
 238         /* LCDC0 */
 239         gpio_request(GPIO_FN_LCDC0_SELECT,      NULL);
 240         gpio_request(GPIO_FN_LCD0_D0,           NULL);
 241         gpio_request(GPIO_FN_LCD0_D1,           NULL);
 242         gpio_request(GPIO_FN_LCD0_D2,           NULL);
 243         gpio_request(GPIO_FN_LCD0_D3,           NULL);
 244         gpio_request(GPIO_FN_LCD0_D4,           NULL);
 245         gpio_request(GPIO_FN_LCD0_D5,           NULL);
 246         gpio_request(GPIO_FN_LCD0_D6,           NULL);
 247         gpio_request(GPIO_FN_LCD0_D7,           NULL);
 248         gpio_request(GPIO_FN_LCD0_D8,           NULL);
 249         gpio_request(GPIO_FN_LCD0_D9,           NULL);
 250         gpio_request(GPIO_FN_LCD0_D10,          NULL);
 251         gpio_request(GPIO_FN_LCD0_D11,          NULL);
 252         gpio_request(GPIO_FN_LCD0_D12,          NULL);
 253         gpio_request(GPIO_FN_LCD0_D13,          NULL);
 254         gpio_request(GPIO_FN_LCD0_D14,          NULL);
 255         gpio_request(GPIO_FN_LCD0_D15,          NULL);
 256         gpio_request(GPIO_FN_LCD0_D16,          NULL);
 257         gpio_request(GPIO_FN_LCD0_D17,          NULL);
 258         gpio_request(GPIO_FN_LCD0_D18_PORT40,   NULL);
 259         gpio_request(GPIO_FN_LCD0_D19_PORT4,    NULL);
 260         gpio_request(GPIO_FN_LCD0_D20_PORT3,    NULL);
 261         gpio_request(GPIO_FN_LCD0_D21_PORT2,    NULL);
 262         gpio_request(GPIO_FN_LCD0_D22_PORT0,    NULL);
 263         gpio_request(GPIO_FN_LCD0_D23_PORT1,    NULL);
 264         gpio_request(GPIO_FN_LCD0_DCK,          NULL);
 265         gpio_request(GPIO_FN_LCD0_VSYN,         NULL);
 266         gpio_request(GPIO_FN_LCD0_HSYN,         NULL);
 267         gpio_request(GPIO_FN_LCD0_DISP,         NULL);
 268         gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
 269
 270         gpio_request(GPIO_PORT61, NULL); /* LCDDON */
 271         gpio_direction_output(GPIO_PORT61, 1);
 272
 273         gpio_request(GPIO_PORT202, NULL); /* LCD0_LED_CONT */
 274         gpio_direction_output(GPIO_PORT202, 0);
 275
 276         /* Touchscreen */
 277         gpio_request(GPIO_FN_IRQ10,     NULL); /* TP_INT */
 278         gpio_request(GPIO_PORT166,      NULL); /* TP_RST_B */
 279         gpio_direction_output(GPIO_PORT166, 1);
 280
 281         /* GETHER */
 282         gpio_request(GPIO_FN_ET_CRS,            NULL);
 283         gpio_request(GPIO_FN_ET_MDC,            NULL);
 284         gpio_request(GPIO_FN_ET_MDIO,           NULL);
 285         gpio_request(GPIO_FN_ET_TX_ER,          NULL);
 286         gpio_request(GPIO_FN_ET_RX_ER,          NULL);
 287         gpio_request(GPIO_FN_ET_ERXD0,          NULL);
 288         gpio_request(GPIO_FN_ET_ERXD1,          NULL);
 289         gpio_request(GPIO_FN_ET_ERXD2,          NULL);
 290         gpio_request(GPIO_FN_ET_ERXD3,          NULL);
 291         gpio_request(GPIO_FN_ET_TX_CLK,         NULL);
 292         gpio_request(GPIO_FN_ET_TX_EN,          NULL);
 293         gpio_request(GPIO_FN_ET_ETXD0,          NULL);
 294         gpio_request(GPIO_FN_ET_ETXD1,          NULL);
 295         gpio_request(GPIO_FN_ET_ETXD2,          NULL);
 296         gpio_request(GPIO_FN_ET_ETXD3,          NULL);
 297         gpio_request(GPIO_FN_ET_PHY_INT,        NULL);
 298         gpio_request(GPIO_FN_ET_COL,            NULL);
 299         gpio_request(GPIO_FN_ET_RX_DV,          NULL);
 300         gpio_request(GPIO_FN_ET_RX_CLK,         NULL);
 301
 302         gpio_request(GPIO_PORT18, NULL); /* PHY_RST */
 303         gpio_direction_output(GPIO_PORT18, 1);
 304
 305         /*
 306          * CAUTION
 307          *
 308          * DBGMD/LCDC0/FSIA MUX
 309          * DBGMD_SELECT_B should be set after setting PFC Function.
 310          */
 311         gpio_request(GPIO_PORT176, NULL);
 312         gpio_direction_output(GPIO_PORT176, 1);
 313
 314 #ifdef CONFIG_CACHE_L2X0
 315         /* Early BRESP enable, Shared attribute override enable, 32K*8way */
 316         l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
 317 #endif
 318
 319         i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
 320
 321         r8a7740_add_standard_devices();
 322
 323         platform_add_devices(eva_devices,
 324                              ARRAY_SIZE(eva_devices));
 325 }
 326
 327 static void __init eva_earlytimer_init(void)
 328 {
 329         struct clk *xtal1;
 330
 331         r8a7740_clock_init(MD_CK0 | MD_CK2);
 332
 333         xtal1 = clk_get(NULL, "extal1");
 334         if (!IS_ERR(xtal1)) {
 335                 /* armadillo 800 eva extal1 is 24MHz */
 336                 clk_set_rate(xtal1, 24000000);
 337                 clk_put(xtal1);
 338         }
 339
 340         shmobile_earlytimer_init();
 341 }
 342
 343 static void __init eva_add_early_devices(void)
 344 {
 345         r8a7740_add_early_devices();
 346
 347         /* override timer setup with board-specific code */
 348         shmobile_timer.init = eva_earlytimer_init;
 349 }
 350
 351 MACHINE_START(ARMADILLO800EVA, "armadillo800eva")
 352         .map_io         = r8a7740_map_io,
 353         .init_early     = eva_add_early_devices,
 354         .init_irq       = r8a7740_init_irq,
 355         .handle_irq     = shmobile_handle_irq_intc,
 356         .init_machine   = eva_init,
 357         .timer          = &shmobile_timer,
 358 MACHINE_END