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
  38 #include <sound/sh_fsi.h>
  39
  40 #include <mach/hardware.h>
  41 #include <mach/sh73a0.h>
  42 #include <mach/common.h>
  43 #include <asm/mach-types.h>
  44 #include <asm/mach/arch.h>
  45 #include <asm/mach/map.h>
  46 #include <asm/mach/time.h>
  47 #include <asm/hardware/gic.h>
  48 #include <asm/hardware/cache-l2x0.h>
  49 #include <asm/traps.h>
  50
  51 static struct resource smsc9220_resources[] = {
  52         [0] = {
  53                 .start          = 0x14000000,
  54                 .end            = 0x14000000 + SZ_64K - 1,
  55                 .flags          = IORESOURCE_MEM,
  56         },
  57         [1] = {
  58                 .start          = gic_spi(33), /* PINT1 */
  59                 .flags          = IORESOURCE_IRQ,
  60         },
  61 };
  62
  63 static struct smsc911x_platform_config smsc9220_platdata = {
  64         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  65         .phy_interface  = PHY_INTERFACE_MODE_MII,
  66         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  67         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  68 };
  69
  70 static struct platform_device eth_device = {
  71         .name           = "smsc911x",
  72         .id             = 0,
  73         .dev  = {
  74                 .platform_data = &smsc9220_platdata,
  75         },
  76         .resource       = smsc9220_resources,
  77         .num_resources  = ARRAY_SIZE(smsc9220_resources),
  78 };
  79
  80 static struct sh_keysc_info keysc_platdata = {
  81         .mode           = SH_KEYSC_MODE_6,
  82         .scan_timing    = 3,
  83         .delay          = 100,
  84         .keycodes       = {
  85                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
  86                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
  87                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
  88                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
  89                 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
  90                 KEY_COFFEE,
  91                 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
  92                 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
  93                 KEY_COMPUTER,
  94         },
  95 };
  96
  97 static struct resource keysc_resources[] = {
  98         [0] = {
  99                 .name   = "KEYSC",
 100                 .start  = 0xe61b0000,
 101                 .end    = 0xe61b0098 - 1,
 102                 .flags  = IORESOURCE_MEM,
 103         },
 104         [1] = {
 105                 .start  = gic_spi(71),
 106                 .flags  = IORESOURCE_IRQ,
 107         },
 108 };
 109
 110 static struct platform_device keysc_device = {
 111         .name           = "sh_keysc",
 112         .id             = 0,
 113         .num_resources  = ARRAY_SIZE(keysc_resources),
 114         .resource       = keysc_resources,
 115         .dev            = {
 116                 .platform_data  = &keysc_platdata,
 117         },
 118 };
 119
 120 /* FSI A */
 121 static struct sh_fsi_platform_info fsi_info = {
 122         .porta_flags = SH_FSI_OUT_SLAVE_MODE    |
 123                        SH_FSI_IN_SLAVE_MODE     |
 124                        SH_FSI_OFMT(I2S)         |
 125                        SH_FSI_IFMT(I2S),
 126 };
 127
 128 static struct resource fsi_resources[] = {
 129         [0] = {
 130                 .name   = "FSI",
 131                 .start  = 0xEC230000,
 132                 .end    = 0xEC230400 - 1,
 133                 .flags  = IORESOURCE_MEM,
 134         },
 135         [1] = {
 136                 .start  = gic_spi(146),
 137                 .flags  = IORESOURCE_IRQ,
 138         },
 139 };
 140
 141 static struct platform_device fsi_device = {
 142         .name           = "sh_fsi2",
 143         .id             = -1,
 144         .num_resources  = ARRAY_SIZE(fsi_resources),
 145         .resource       = fsi_resources,
 146         .dev    = {
 147                 .platform_data  = &fsi_info,
 148         },
 149 };
 150
 151 static struct resource sh_mmcif_resources[] = {
 152         [0] = {
 153                 .name   = "MMCIF",
 154                 .start  = 0xe6bd0000,
 155                 .end    = 0xe6bd00ff,
 156                 .flags  = IORESOURCE_MEM,
 157         },
 158         [1] = {
 159                 .start  = gic_spi(141),
 160                 .flags  = IORESOURCE_IRQ,
 161         },
 162         [2] = {
 163                 .start  = gic_spi(140),
 164                 .flags  = IORESOURCE_IRQ,
 165         },
 166 };
 167
 168 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 169         .sup_pclk       = 0,
 170         .ocr            = MMC_VDD_165_195,
 171         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 172 };
 173
 174 static struct platform_device mmc_device = {
 175         .name           = "sh_mmcif",
 176         .id             = 0,
 177         .dev            = {
 178                 .dma_mask               = NULL,
 179                 .coherent_dma_mask      = 0xffffffff,
 180                 .platform_data          = &sh_mmcif_platdata,
 181         },
 182         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 183         .resource       = sh_mmcif_resources,
 184 };
 185
 186 /* IrDA */
 187 static struct resource irda_resources[] = {
 188         [0] = {
 189                 .start  = 0xE6D00000,
 190                 .end    = 0xE6D01FD4 - 1,
 191                 .flags  = IORESOURCE_MEM,
 192         },
 193         [1] = {
 194                 .start  = gic_spi(95),
 195                 .flags  = IORESOURCE_IRQ,
 196         },
 197 };
 198
 199 static struct platform_device irda_device = {
 200         .name           = "sh_irda",
 201         .id             = 0,
 202         .resource       = irda_resources,
 203         .num_resources  = ARRAY_SIZE(irda_resources),
 204 };
 205
 206 static struct platform_device *ag5evm_devices[] __initdata = {
 207         &eth_device,
 208         &keysc_device,
 209         &fsi_device,
 210         &mmc_device,
 211         &irda_device,
 212 };
 213
 214 static struct map_desc ag5evm_io_desc[] __initdata = {
 215         /* create a 1:1 entity map for 0xe6xxxxxx
 216          * used by CPGA, INTC and PFC.
 217          */
 218         {
 219                 .virtual        = 0xe6000000,
 220                 .pfn            = __phys_to_pfn(0xe6000000),
 221                 .length         = 256 << 20,
 222                 .type           = MT_DEVICE_NONSHARED
 223         },
 224 };
 225
 226 static void __init ag5evm_map_io(void)
 227 {
 228         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 229
 230         /* setup early devices and console here as well */
 231         sh73a0_add_early_devices();
 232         shmobile_setup_console();
 233 }
 234
 235 #define PINTC_ADDR      0xe6900000
 236 #define PINTER0A        (PINTC_ADDR + 0xa0)
 237 #define PINTCR0A        (PINTC_ADDR + 0xb0)
 238
 239 void __init ag5evm_init_irq(void)
 240 {
 241         sh73a0_init_irq();
 242
 243         /* setup PINT: enable PINTA2 as active low */
 244         __raw_writel(__raw_readl(PINTER0A) | (1<<29), PINTER0A);
 245         __raw_writew(__raw_readw(PINTCR0A) | (2<<10), PINTCR0A);
 246 }
 247
 248 static void __init ag5evm_init(void)
 249 {
 250         sh73a0_pinmux_init();
 251
 252         /* enable SCIFA2 */
 253         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 254         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 255         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 256         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 257
 258         /* enable KEYSC */
 259         gpio_request(GPIO_FN_KEYIN0_PU, NULL);
 260         gpio_request(GPIO_FN_KEYIN1_PU, NULL);
 261         gpio_request(GPIO_FN_KEYIN2_PU, NULL);
 262         gpio_request(GPIO_FN_KEYIN3_PU, NULL);
 263         gpio_request(GPIO_FN_KEYIN4_PU, NULL);
 264         gpio_request(GPIO_FN_KEYIN5_PU, NULL);
 265         gpio_request(GPIO_FN_KEYIN6_PU, NULL);
 266         gpio_request(GPIO_FN_KEYIN7_PU, NULL);
 267         gpio_request(GPIO_FN_KEYOUT0, NULL);
 268         gpio_request(GPIO_FN_KEYOUT1, NULL);
 269         gpio_request(GPIO_FN_KEYOUT2, NULL);
 270         gpio_request(GPIO_FN_KEYOUT3, NULL);
 271         gpio_request(GPIO_FN_KEYOUT4, NULL);
 272         gpio_request(GPIO_FN_KEYOUT5, NULL);
 273         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 274         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 275         gpio_request(GPIO_FN_KEYOUT8, NULL);
 276         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 277
 278         /* enable I2C channel 2 and 3 */
 279         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 280         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 281         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 282         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 283
 284         /* enable MMCIF */
 285         gpio_request(GPIO_FN_MMCCLK0, NULL);
 286         gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
 287         gpio_request(GPIO_FN_MMCD0_0, NULL);
 288         gpio_request(GPIO_FN_MMCD0_1, NULL);
 289         gpio_request(GPIO_FN_MMCD0_2, NULL);
 290         gpio_request(GPIO_FN_MMCD0_3, NULL);
 291         gpio_request(GPIO_FN_MMCD0_4, NULL);
 292         gpio_request(GPIO_FN_MMCD0_5, NULL);
 293         gpio_request(GPIO_FN_MMCD0_6, NULL);
 294         gpio_request(GPIO_FN_MMCD0_7, NULL);
 295         gpio_request(GPIO_PORT208, NULL); /* Reset */
 296         gpio_direction_output(GPIO_PORT208, 1);
 297
 298         /* enable SMSC911X */
 299         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 300         gpio_direction_input(GPIO_PORT144);
 301         gpio_request(GPIO_PORT145, NULL); /* RESET */
 302         gpio_direction_output(GPIO_PORT145, 1);
 303
 304         /* FSI A */
 305         gpio_request(GPIO_FN_FSIACK, NULL);
 306         gpio_request(GPIO_FN_FSIAILR, NULL);
 307         gpio_request(GPIO_FN_FSIAIBT, NULL);
 308         gpio_request(GPIO_FN_FSIAISLD, NULL);
 309         gpio_request(GPIO_FN_FSIAOSLD, NULL);
 310
 311         /* IrDA */
 312         gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
 313         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
 314         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 315
 316 #ifdef CONFIG_CACHE_L2X0
 317         /* Shared attribute override enable, 64K*8way */
 318         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 319 #endif
 320         sh73a0_add_standard_devices();
 321         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 322 }
 323
 324 static void __init ag5evm_timer_init(void)
 325 {
 326         sh73a0_clock_init();
 327         shmobile_timer.init();
 328         return;
 329 }
 330
 331 struct sys_timer ag5evm_timer = {
 332         .init   = ag5evm_timer_init,
 333 };
 334
 335 MACHINE_START(AG5EVM, "ag5evm")
 336         .map_io         = ag5evm_map_io,
 337         .init_irq       = ag5evm_init_irq,
 338         .handle_irq     = shmobile_handle_irq_gic,
 339         .init_machine   = ag5evm_init,
 340         .timer          = &ag5evm_timer,
 341 MACHINE_END