arch/arm/mach-spear3xx/spear300.c

   1 /*
   2  * arch/arm/mach-spear3xx/spear300.c
   3  *
   4  * SPEAr300 machine source file
   5  *
   6  * Copyright (C) 2009 ST Microelectronics
   7  * Viresh Kumar<viresh.kumar@st.com>
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2. This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #include <linux/types.h>
  15 #include <linux/amba/pl061.h>
  16 #include <linux/ptrace.h>
  17 #include <asm/irq.h>
  18 #include <plat/shirq.h>
  19 #include <mach/generic.h>
  20 #include <mach/hardware.h>
  21
  22 /* pad multiplexing support */
  23 /* muxing registers */
  24 #define PAD_MUX_CONFIG_REG      0x00
  25 #define MODE_CONFIG_REG         0x04
  26
  27 /* modes */
  28 #define NAND_MODE                       (1 << 0)
  29 #define NOR_MODE                        (1 << 1)
  30 #define PHOTO_FRAME_MODE                (1 << 2)
  31 #define LEND_IP_PHONE_MODE              (1 << 3)
  32 #define HEND_IP_PHONE_MODE              (1 << 4)
  33 #define LEND_WIFI_PHONE_MODE            (1 << 5)
  34 #define HEND_WIFI_PHONE_MODE            (1 << 6)
  35 #define ATA_PABX_WI2S_MODE              (1 << 7)
  36 #define ATA_PABX_I2S_MODE               (1 << 8)
  37 #define CAML_LCDW_MODE                  (1 << 9)
  38 #define CAMU_LCD_MODE                   (1 << 10)
  39 #define CAMU_WLCD_MODE                  (1 << 11)
  40 #define CAML_LCD_MODE                   (1 << 12)
  41 #define ALL_MODES                       0x1FFF
  42
  43 struct pmx_mode spear300_nand_mode = {
  44         .id = NAND_MODE,
  45         .name = "nand mode",
  46         .mask = 0x00,
  47 };
  48
  49 struct pmx_mode spear300_nor_mode = {
  50         .id = NOR_MODE,
  51         .name = "nor mode",
  52         .mask = 0x01,
  53 };
  54
  55 struct pmx_mode spear300_photo_frame_mode = {
  56         .id = PHOTO_FRAME_MODE,
  57         .name = "photo frame mode",
  58         .mask = 0x02,
  59 };
  60
  61 struct pmx_mode spear300_lend_ip_phone_mode = {
  62         .id = LEND_IP_PHONE_MODE,
  63         .name = "lend ip phone mode",
  64         .mask = 0x03,
  65 };
  66
  67 struct pmx_mode spear300_hend_ip_phone_mode = {
  68         .id = HEND_IP_PHONE_MODE,
  69         .name = "hend ip phone mode",
  70         .mask = 0x04,
  71 };
  72
  73 struct pmx_mode spear300_lend_wifi_phone_mode = {
  74         .id = LEND_WIFI_PHONE_MODE,
  75         .name = "lend wifi phone mode",
  76         .mask = 0x05,
  77 };
  78
  79 struct pmx_mode spear300_hend_wifi_phone_mode = {
  80         .id = HEND_WIFI_PHONE_MODE,
  81         .name = "hend wifi phone mode",
  82         .mask = 0x06,
  83 };
  84
  85 struct pmx_mode spear300_ata_pabx_wi2s_mode = {
  86         .id = ATA_PABX_WI2S_MODE,
  87         .name = "ata pabx wi2s mode",
  88         .mask = 0x07,
  89 };
  90
  91 struct pmx_mode spear300_ata_pabx_i2s_mode = {
  92         .id = ATA_PABX_I2S_MODE,
  93         .name = "ata pabx i2s mode",
  94         .mask = 0x08,
  95 };
  96
  97 struct pmx_mode spear300_caml_lcdw_mode = {
  98         .id = CAML_LCDW_MODE,
  99         .name = "caml lcdw mode",
 100         .mask = 0x0C,
 101 };
 102
 103 struct pmx_mode spear300_camu_lcd_mode = {
 104         .id = CAMU_LCD_MODE,
 105         .name = "camu lcd mode",
 106         .mask = 0x0D,
 107 };
 108
 109 struct pmx_mode spear300_camu_wlcd_mode = {
 110         .id = CAMU_WLCD_MODE,
 111         .name = "camu wlcd mode",
 112         .mask = 0x0E,
 113 };
 114
 115 struct pmx_mode spear300_caml_lcd_mode = {
 116         .id = CAML_LCD_MODE,
 117         .name = "caml lcd mode",
 118         .mask = 0x0F,
 119 };
 120
 121 /* devices */
 122 static struct pmx_dev_mode pmx_fsmc_2_chips_modes[] = {
 123         {
 124                 .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
 125                         ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
 126                 .mask = PMX_FIRDA_MASK,
 127         },
 128 };
 129
 130 struct pmx_dev spear300_pmx_fsmc_2_chips = {
 131         .name = "fsmc_2_chips",
 132         .modes = pmx_fsmc_2_chips_modes,
 133         .mode_count = ARRAY_SIZE(pmx_fsmc_2_chips_modes),
 134         .enb_on_reset = 1,
 135 };
 136
 137 static struct pmx_dev_mode pmx_fsmc_4_chips_modes[] = {
 138         {
 139                 .ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
 140                         ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
 141                 .mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
 142         },
 143 };
 144
 145 struct pmx_dev spear300_pmx_fsmc_4_chips = {
 146         .name = "fsmc_4_chips",
 147         .modes = pmx_fsmc_4_chips_modes,
 148         .mode_count = ARRAY_SIZE(pmx_fsmc_4_chips_modes),
 149         .enb_on_reset = 1,
 150 };
 151
 152 static struct pmx_dev_mode pmx_keyboard_modes[] = {
 153         {
 154                 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
 155                         LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 156                         CAML_LCDW_MODE | CAMU_LCD_MODE | CAMU_WLCD_MODE |
 157                         CAML_LCD_MODE,
 158                 .mask = 0x0,
 159         },
 160 };
 161
 162 struct pmx_dev spear300_pmx_keyboard = {
 163         .name = "keyboard",
 164         .modes = pmx_keyboard_modes,
 165         .mode_count = ARRAY_SIZE(pmx_keyboard_modes),
 166         .enb_on_reset = 1,
 167 };
 168
 169 static struct pmx_dev_mode pmx_clcd_modes[] = {
 170         {
 171                 .ids = PHOTO_FRAME_MODE,
 172                 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK ,
 173         }, {
 174                 .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 175                         CAMU_LCD_MODE | CAML_LCD_MODE,
 176                 .mask = PMX_TIMER_3_4_MASK,
 177         },
 178 };
 179
 180 struct pmx_dev spear300_pmx_clcd = {
 181         .name = "clcd",
 182         .modes = pmx_clcd_modes,
 183         .mode_count = ARRAY_SIZE(pmx_clcd_modes),
 184         .enb_on_reset = 1,
 185 };
 186
 187 static struct pmx_dev_mode pmx_telecom_gpio_modes[] = {
 188         {
 189                 .ids = PHOTO_FRAME_MODE | CAMU_LCD_MODE | CAML_LCD_MODE,
 190                 .mask = PMX_MII_MASK,
 191         }, {
 192                 .ids = LEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE,
 193                 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
 194         }, {
 195                 .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_WLCD_MODE,
 196                 .mask = PMX_MII_MASK | PMX_TIMER_3_4_MASK,
 197         }, {
 198                 .ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE,
 199                 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK,
 200         }, {
 201                 .ids = ATA_PABX_WI2S_MODE,
 202                 .mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK
 203                         | PMX_UART0_MODEM_MASK,
 204         },
 205 };
 206
 207 struct pmx_dev spear300_pmx_telecom_gpio = {
 208         .name = "telecom_gpio",
 209         .modes = pmx_telecom_gpio_modes,
 210         .mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes),
 211         .enb_on_reset = 1,
 212 };
 213
 214 static struct pmx_dev_mode pmx_telecom_tdm_modes[] = {
 215         {
 216                 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 217                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
 218                         | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
 219                         | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 220                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 221                 .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
 222         },
 223 };
 224
 225 struct pmx_dev spear300_pmx_telecom_tdm = {
 226         .name = "telecom_tdm",
 227         .modes = pmx_telecom_tdm_modes,
 228         .mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes),
 229         .enb_on_reset = 1,
 230 };
 231
 232 static struct pmx_dev_mode pmx_telecom_spi_cs_i2c_clk_modes[] = {
 233         {
 234                 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
 235                         LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE
 236                         | ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE |
 237                         CAML_LCDW_MODE | CAML_LCD_MODE,
 238                 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
 239         },
 240 };
 241
 242 struct pmx_dev spear300_pmx_telecom_spi_cs_i2c_clk = {
 243         .name = "telecom_spi_cs_i2c_clk",
 244         .modes = pmx_telecom_spi_cs_i2c_clk_modes,
 245         .mode_count = ARRAY_SIZE(pmx_telecom_spi_cs_i2c_clk_modes),
 246         .enb_on_reset = 1,
 247 };
 248
 249 static struct pmx_dev_mode pmx_telecom_camera_modes[] = {
 250         {
 251                 .ids = CAML_LCDW_MODE | CAML_LCD_MODE,
 252                 .mask = PMX_MII_MASK,
 253         }, {
 254                 .ids = CAMU_LCD_MODE | CAMU_WLCD_MODE,
 255                 .mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | PMX_MII_MASK,
 256         },
 257 };
 258
 259 struct pmx_dev spear300_pmx_telecom_camera = {
 260         .name = "telecom_camera",
 261         .modes = pmx_telecom_camera_modes,
 262         .mode_count = ARRAY_SIZE(pmx_telecom_camera_modes),
 263         .enb_on_reset = 1,
 264 };
 265
 266 static struct pmx_dev_mode pmx_telecom_dac_modes[] = {
 267         {
 268                 .ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 269                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 270                 .mask = PMX_TIMER_1_2_MASK,
 271         },
 272 };
 273
 274 struct pmx_dev spear300_pmx_telecom_dac = {
 275         .name = "telecom_dac",
 276         .modes = pmx_telecom_dac_modes,
 277         .mode_count = ARRAY_SIZE(pmx_telecom_dac_modes),
 278         .enb_on_reset = 1,
 279 };
 280
 281 static struct pmx_dev_mode pmx_telecom_i2s_modes[] = {
 282         {
 283                 .ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
 284                         | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 285                         ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 286                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 287                 .mask = PMX_UART0_MODEM_MASK,
 288         },
 289 };
 290
 291 struct pmx_dev spear300_pmx_telecom_i2s = {
 292         .name = "telecom_i2s",
 293         .modes = pmx_telecom_i2s_modes,
 294         .mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes),
 295         .enb_on_reset = 1,
 296 };
 297
 298 static struct pmx_dev_mode pmx_telecom_boot_pins_modes[] = {
 299         {
 300                 .ids = NAND_MODE | NOR_MODE,
 301                 .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
 302                         PMX_TIMER_3_4_MASK,
 303         },
 304 };
 305
 306 struct pmx_dev spear300_pmx_telecom_boot_pins = {
 307         .name = "telecom_boot_pins",
 308         .modes = pmx_telecom_boot_pins_modes,
 309         .mode_count = ARRAY_SIZE(pmx_telecom_boot_pins_modes),
 310         .enb_on_reset = 1,
 311 };
 312
 313 static struct pmx_dev_mode pmx_telecom_sdhci_4bit_modes[] = {
 314         {
 315                 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 316                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
 317                         HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
 318                         CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE |
 319                         ATA_PABX_I2S_MODE,
 320                 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
 321                         PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
 322                         PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
 323         },
 324 };
 325
 326 struct pmx_dev spear300_pmx_telecom_sdhci_4bit = {
 327         .name = "telecom_sdhci_4bit",
 328         .modes = pmx_telecom_sdhci_4bit_modes,
 329         .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_4bit_modes),
 330         .enb_on_reset = 1,
 331 };
 332
 333 static struct pmx_dev_mode pmx_telecom_sdhci_8bit_modes[] = {
 334         {
 335                 .ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 336                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
 337                         HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
 338                         CAMU_WLCD_MODE | CAML_LCD_MODE,
 339                 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
 340                         PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
 341                         PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
 342         },
 343 };
 344
 345 struct pmx_dev spear300_pmx_telecom_sdhci_8bit = {
 346         .name = "telecom_sdhci_8bit",
 347         .modes = pmx_telecom_sdhci_8bit_modes,
 348         .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_8bit_modes),
 349         .enb_on_reset = 1,
 350 };
 351
 352 static struct pmx_dev_mode pmx_gpio1_modes[] = {
 353         {
 354                 .ids = PHOTO_FRAME_MODE,
 355                 .mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
 356                         PMX_TIMER_3_4_MASK,
 357         },
 358 };
 359
 360 struct pmx_dev spear300_pmx_gpio1 = {
 361         .name = "arm gpio1",
 362         .modes = pmx_gpio1_modes,
 363         .mode_count = ARRAY_SIZE(pmx_gpio1_modes),
 364         .enb_on_reset = 1,
 365 };
 366
 367 /* pmx driver structure */
 368 static struct pmx_driver pmx_driver = {
 369         .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f},
 370         .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
 371 };
 372
 373 /* spear3xx shared irq */
 374 static struct shirq_dev_config shirq_ras1_config[] = {
 375         {
 376                 .virq = SPEAR300_VIRQ_IT_PERS_S,
 377                 .enb_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
 378                 .status_mask = SPEAR300_IT_PERS_S_IRQ_MASK,
 379         }, {
 380                 .virq = SPEAR300_VIRQ_IT_CHANGE_S,
 381                 .enb_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
 382                 .status_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK,
 383         }, {
 384                 .virq = SPEAR300_VIRQ_I2S,
 385                 .enb_mask = SPEAR300_I2S_IRQ_MASK,
 386                 .status_mask = SPEAR300_I2S_IRQ_MASK,
 387         }, {
 388                 .virq = SPEAR300_VIRQ_TDM,
 389                 .enb_mask = SPEAR300_TDM_IRQ_MASK,
 390                 .status_mask = SPEAR300_TDM_IRQ_MASK,
 391         }, {
 392                 .virq = SPEAR300_VIRQ_CAMERA_L,
 393                 .enb_mask = SPEAR300_CAMERA_L_IRQ_MASK,
 394                 .status_mask = SPEAR300_CAMERA_L_IRQ_MASK,
 395         }, {
 396                 .virq = SPEAR300_VIRQ_CAMERA_F,
 397                 .enb_mask = SPEAR300_CAMERA_F_IRQ_MASK,
 398                 .status_mask = SPEAR300_CAMERA_F_IRQ_MASK,
 399         }, {
 400                 .virq = SPEAR300_VIRQ_CAMERA_V,
 401                 .enb_mask = SPEAR300_CAMERA_V_IRQ_MASK,
 402                 .status_mask = SPEAR300_CAMERA_V_IRQ_MASK,
 403         }, {
 404                 .virq = SPEAR300_VIRQ_KEYBOARD,
 405                 .enb_mask = SPEAR300_KEYBOARD_IRQ_MASK,
 406                 .status_mask = SPEAR300_KEYBOARD_IRQ_MASK,
 407         }, {
 408                 .virq = SPEAR300_VIRQ_GPIO1,
 409                 .enb_mask = SPEAR300_GPIO1_IRQ_MASK,
 410                 .status_mask = SPEAR300_GPIO1_IRQ_MASK,
 411         },
 412 };
 413
 414 static struct spear_shirq shirq_ras1 = {
 415         .irq = SPEAR3XX_IRQ_GEN_RAS_1,
 416         .dev_config = shirq_ras1_config,
 417         .dev_count = ARRAY_SIZE(shirq_ras1_config),
 418         .regs = {
 419                 .enb_reg = SPEAR300_INT_ENB_MASK_REG,
 420                 .status_reg = SPEAR300_INT_STS_MASK_REG,
 421                 .status_reg_mask = SPEAR300_SHIRQ_RAS1_MASK,
 422                 .clear_reg = -1,
 423         },
 424 };
 425
 426 /* Add spear300 specific devices here */
 427 /* arm gpio1 device registration */
 428 static struct pl061_platform_data gpio1_plat_data = {
 429         .gpio_base      = 8,
 430         .irq_base       = SPEAR300_GPIO1_INT_BASE,
 431 };
 432
 433 struct amba_device spear300_gpio1_device = {
 434         .dev = {
 435                 .init_name = "gpio1",
 436                 .platform_data = &gpio1_plat_data,
 437         },
 438         .res = {
 439                 .start = SPEAR300_GPIO_BASE,
 440                 .end = SPEAR300_GPIO_BASE + SZ_4K - 1,
 441                 .flags = IORESOURCE_MEM,
 442         },
 443         .irq = {SPEAR300_VIRQ_GPIO1, NO_IRQ},
 444 };
 445
 446 /* spear300 routines */
 447 void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs,
 448                 u8 pmx_dev_count)
 449 {
 450         int ret = 0;
 451
 452         /* call spear3xx family common init function */
 453         spear3xx_init();
 454
 455         /* shared irq registration */
 456         shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K);
 457         if (shirq_ras1.regs.base) {
 458                 ret = spear_shirq_register(&shirq_ras1);
 459                 if (ret)
 460                         printk(KERN_ERR "Error registering Shared IRQ\n");
 461         }
 462
 463         /* pmx initialization */
 464         pmx_driver.mode = pmx_mode;
 465         pmx_driver.devs = pmx_devs;
 466         pmx_driver.devs_count = pmx_dev_count;
 467
 468         pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K);
 469         if (pmx_driver.base) {
 470                 ret = pmx_register(&pmx_driver);
 471                 if (ret)
 472                         printk(KERN_ERR "padmux: registeration failed. err no"
 473                                         ": %d\n", ret);
 474                 /* Free Mapping, device selection already done */
 475                 iounmap(pmx_driver.base);
 476         }
 477 }