board/BuS/vl_ma2sc/vl_ma2sc.c

   1 /*
   2  * (C) Copyright 2009-2012
   3  * Jens Scharsig  <esw@bus-elekronik.de>
   4  * BuS Elektronik GmbH & Co. KG
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <config.h>
  10 #include <common.h>
  11 #include <linux/sizes.h>
  12 #include <asm/io.h>
  13 #include <asm/gpio.h>
  14 #include <asm/arch/hardware.h>
  15 #include <asm/arch/clk.h>
  16 #include <asm/arch/at91_matrix.h>
  17 #include <asm/arch/at91sam9_smc.h>
  18 #include <asm/arch/at91_pmc.h>
  19 #include <asm/arch/at91_pio.h>
  20 #include <asm/arch/at91sam9263.h>
  21 #include <asm/arch/gpio.h>
  22 #include <asm/arch/at91_common.h>
  23 #include <lcd.h>
  24 #include <i2c.h>
  25 #include <atmel_lcdc.h>
  26 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
  27 #include <net.h>
  28 #endif
  29 #include <netdev.h>
  30
  31 DECLARE_GLOBAL_DATA_PTR;
  32
  33 #ifdef CONFIG_CMD_NAND
  34 static void vl_ma2sc_nand_hw_init(void)
  35 {
  36         unsigned long csa;
  37         at91_smc_t      *smc    = (at91_smc_t *) ATMEL_BASE_SMC0;
  38         at91_matrix_t   *matrix = (at91_matrix_t *) ATMEL_BASE_MATRIX;
  39         at91_pmc_t      *pmc    = (at91_pmc_t *) ATMEL_BASE_PMC;
  40
  41         at91_set_pio_output(AT91_PIO_PORTA, 13, 1);     /* CAN_TX -> H */
  42         at91_set_pio_output(AT91_PIO_PORTA, 12, 1);     /* CAN_STB -> H */
  43         at91_set_pio_output(AT91_PIO_PORTA, 11, 1);     /* CAN_EN -> H */
  44
  45         /* Enable CS3 */
  46         csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
  47         writel(csa, &matrix->csa[0]);
  48
  49         /* Configure SMC CS3 for NAND/SmartMedia */
  50         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
  51                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
  52                 &smc->cs[3].setup);
  53
  54         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
  55                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
  56                 &smc->cs[3].pulse);
  57
  58         writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
  59                 &smc->cs[3].cycle);
  60         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
  61                 AT91_SMC_MODE_DBW_8 |
  62                 AT91_SMC_MODE_TDF_CYCLE(2),
  63                 &smc->cs[3].mode);
  64         writel((1 << ATMEL_ID_PIOB) | (1 << ATMEL_ID_PIOCDE),
  65                 &pmc->pcer);
  66
  67         /* Configure RDY/BSY */
  68 #ifdef CONFIG_SYS_NAND_READY_PIN
  69         gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
  70 #endif
  71         /* Enable NandFlash */
  72         gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
  73 }
  74 #endif
  75
  76 #ifdef CONFIG_MACB
  77 static void vl_ma2sc_macb_hw_init(void)
  78 {
  79         at91_pmc_t      *pmc    = (at91_pmc_t *) ATMEL_BASE_PMC;
  80
  81         /* Enable clock */
  82         writel(1 << ATMEL_ID_EMAC, &pmc->pcer);
  83
  84         at91_phy_reset();
  85
  86         at91_macb_hw_init();
  87 }
  88 #endif
  89
  90 #ifdef CONFIG_LCD
  91 vidinfo_t panel_info = {
  92         .vl_col =               320,
  93         .vl_row =               240,
  94         .vl_clk =               6500000,
  95         .vl_sync =              ATMEL_LCDC_INVDVAL_INVERTED |
  96                                 ATMEL_LCDC_INVLINE_INVERTED |
  97                                 ATMEL_LCDC_INVVD_INVERTED   |
  98                                 ATMEL_LCDC_INVFRAME_INVERTED,
  99         .vl_bpix =              (ATMEL_LCDC_PIXELSIZE_8 >> 5),
 100         .vl_tft =               1,
 101         .vl_hsync_len =         5,      /* Horiz Sync Pulse Width */
 102         .vl_left_margin =       68,     /* horiz back porch */
 103         .vl_right_margin =      20,     /* horiz front porch */
 104         .vl_vsync_len =         2,      /* vert Sync Pulse Width */
 105         .vl_upper_margin =      18,     /* vert back porch */
 106         .vl_lower_margin =      4,      /* vert front porch */
 107         .mmio =                 ATMEL_BASE_LCDC,
 108 };
 109
 110 void lcd_enable(void)
 111 {
 112 }
 113
 114 void lcd_disable(void)
 115 {
 116 }
 117
 118 static void vl_ma2sc_lcd_hw_init(void)
 119 {
 120         at91_pmc_t      *pmc    = (at91_pmc_t *) ATMEL_BASE_PMC;
 121
 122         at91_set_a_periph(AT91_PIO_PORTC, 0, 0);        /* LCDVSYNC */
 123         at91_set_a_periph(AT91_PIO_PORTC, 1, 0);        /* LCDHSYNC */
 124         at91_set_a_periph(AT91_PIO_PORTC, 2, 0);        /* LCDDOTCK */
 125         at91_set_a_periph(AT91_PIO_PORTC, 3, 0);        /* LCDDEN */
 126         at91_set_b_periph(AT91_PIO_PORTB, 9, 0);        /* LCDCC */
 127
 128         at91_set_a_periph(AT91_PIO_PORTC, 4, 0);        /* LCDD0 */
 129         at91_set_a_periph(AT91_PIO_PORTC, 5, 0);        /* LCDD1 */
 130         at91_set_a_periph(AT91_PIO_PORTC, 6, 0);        /* LCDD2 */
 131         at91_set_a_periph(AT91_PIO_PORTC, 7, 0);        /* LCDD3 */
 132         at91_set_a_periph(AT91_PIO_PORTC, 8, 0);        /* LCDD4 */
 133         at91_set_a_periph(AT91_PIO_PORTC, 9, 0);        /* LCDD5 */
 134         at91_set_a_periph(AT91_PIO_PORTC, 10, 0);       /* LCDD6 */
 135         at91_set_a_periph(AT91_PIO_PORTC, 11, 0);       /* LCDD7 */
 136
 137         at91_set_a_periph(AT91_PIO_PORTC, 13, 0);       /* LCDD9 */
 138         at91_set_a_periph(AT91_PIO_PORTC, 14, 0);       /* LCDD10 */
 139         at91_set_a_periph(AT91_PIO_PORTC, 15, 0);       /* LCDD11 */
 140         at91_set_a_periph(AT91_PIO_PORTC, 16, 0);       /* LCDD12 */
 141         at91_set_b_periph(AT91_PIO_PORTC, 12, 0);       /* LCDD13 */
 142         at91_set_a_periph(AT91_PIO_PORTC, 18, 0);       /* LCDD14 */
 143         at91_set_a_periph(AT91_PIO_PORTC, 19, 0);       /* LCDD15 */
 144
 145         at91_set_a_periph(AT91_PIO_PORTC, 20, 0);       /* LCDD26 */
 146         at91_set_a_periph(AT91_PIO_PORTC, 21, 0);       /* LCDD17 */
 147         at91_set_a_periph(AT91_PIO_PORTC, 22, 0);       /* LCDD18 */
 148         at91_set_a_periph(AT91_PIO_PORTC, 23, 0);       /* LCDD19 */
 149         at91_set_a_periph(AT91_PIO_PORTC, 24, 0);       /* LCDD20 */
 150         at91_set_b_periph(AT91_PIO_PORTC, 17, 0);       /* LCDD21 */
 151         at91_set_a_periph(AT91_PIO_PORTC, 26, 0);       /* LCDD22 */
 152         at91_set_a_periph(AT91_PIO_PORTC, 27, 0);       /* LCDD23 */
 153
 154         at91_set_pio_output(AT91_PIO_PORTE, 0, 0);      /* LCD QXH */
 155
 156         at91_set_pio_output(AT91_PIO_PORTE, 2, 0);      /* LCD SHUT */
 157         at91_set_pio_output(AT91_PIO_PORTE, 3, 1);      /* LCD TopBottom */
 158         at91_set_pio_output(AT91_PIO_PORTE, 4, 0);      /* LCD REV */
 159         at91_set_pio_output(AT91_PIO_PORTE, 5, 1);      /* LCD RightLeft */
 160         at91_set_pio_output(AT91_PIO_PORTE, 6, 0);      /* LCD Color Mode CM */
 161         at91_set_pio_output(AT91_PIO_PORTE, 7, 0);      /* LCD BGR */
 162
 163         at91_set_pio_output(AT91_PIO_PORTB, 9, 0);      /* LCD CC */
 164
 165         writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
 166         gd->fb_base = ATMEL_BASE_SRAM0;
 167 }
 168 #endif /* Config LCD */
 169
 170 #ifdef CONFIG_BOARD_EARLY_INIT_F
 171 int board_early_init_f(void)
 172 {
 173         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
 174
 175         /* Enable clocks for all PIOs */
 176         writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) |
 177                 (1 << ATMEL_ID_PIOCDE),
 178                 &pmc->pcer);
 179
 180         at91_seriald_hw_init();
 181
 182         return 0;
 183 }
 184 #endif
 185
 186 int board_init(void)
 187 {
 188         at91_smc_t      *smc    = (at91_smc_t *) ATMEL_BASE_SMC0;
 189         at91_pio_t      *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 190         u32             pin;
 191
 192         pin = 0x1F000001;
 193         writel(pin, &pio->pioa.idr);
 194         writel(pin, &pio->pioa.pudr);
 195         writel(pin, &pio->pioa.per);
 196         writel(pin, &pio->pioa.oer);
 197         writel(pin, &pio->pioa.sodr);
 198         writel((1 << 25), &pio->pioa.codr);
 199
 200         pin = 0x1F000100;
 201         writel(pin, &pio->piob.idr);
 202         writel(pin, &pio->piob.pudr);
 203         writel(pin, &pio->piob.per);
 204         writel(pin, &pio->piob.oer);
 205         writel(pin, &pio->piob.codr);
 206         writel((1 << 24), &pio->piob.sodr);
 207
 208         pin = 0x40000000;                       /* Pullup DRxD enbable */
 209         writel(pin, &pio->pioc.puer);
 210
 211         pin = 0x0000000F;                       /* HWversion als Input */
 212         writel(pin, &pio->piod.idr);
 213         writel(pin, &pio->piod.puer);
 214         writel(pin, &pio->piod.per);
 215         writel(pin, &pio->piod.odr);
 216         writel(pin, &pio->piod.owdr);
 217
 218         gd->bd->bi_arch_number = MACH_TYPE_VL_MA2SC;
 219         /* adress of boot parameters */
 220         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
 221
 222         writel(CONFIG_SYS_SMC0_MODE0_VAL, &smc->cs[0].setup);
 223         writel(CONFIG_SYS_SMC0_CYCLE0_VAL, &smc->cs[0].cycle);
 224         writel(CONFIG_SYS_SMC0_PULSE0_VAL, &smc->cs[0].pulse);
 225         writel(CONFIG_SYS_SMC0_SETUP0_VAL, &smc->cs[0].setup);
 226
 227 #ifdef CONFIG_CMD_NAND
 228         vl_ma2sc_nand_hw_init();
 229 #endif
 230 #ifdef CONFIG_MACB
 231         vl_ma2sc_macb_hw_init();
 232 #endif
 233 #ifdef CONFIG_USB_OHCI_NEW
 234         at91_uhp_hw_init();
 235 #endif
 236 #ifdef CONFIG_LCD
 237         vl_ma2sc_lcd_hw_init();
 238 #endif
 239         return 0;
 240 }
 241
 242 #ifdef CONFIG_MISC_INIT_R
 243 int misc_init_r(void)
 244 {
 245         uchar   buffer[8];
 246         at91_pio_t      *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 247         u32             pin;
 248
 249         buffer[0] = 0x04;
 250         buffer[1] = 0x00;
 251         if (i2c_write(0x68, 0x0E, 1, buffer, 2) != 0)
 252                 puts("error reseting rtc clock\n\0");
 253
 254         /* read hardware version */
 255
 256         pin = (readl(&pio->piod.pdsr) & 0x0F) + 0x44;
 257         printf("Board: revision %c\n", pin);
 258         buffer[0] = pin;
 259         buffer[1] = 0;
 260         setenv("revision", (char *) buffer);
 261
 262         pin = 0x40000000;                       /* Pullup DRxD enbable */
 263         writel(pin, &pio->pioc.puer);
 264         return 0;
 265 }
 266 #endif
 267
 268 int dram_init(void)
 269 {
 270         gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE,
 271                         CONFIG_SYS_SDRAM_SIZE);
 272         return 0;
 273 }
 274
 275 #ifdef CONFIG_RESET_PHY_R
 276 void reset_phy(void)
 277 {
 278 #ifdef CONFIG_MACB
 279         /*
 280          * Initialize ethernet HW addr prior to starting Linux,
 281          * needed for nfsroot
 282          */
 283         eth_init();
 284 #endif
 285 }
 286 #endif
 287
 288 int board_eth_init(bd_t *bis)
 289 {
 290         int rc = 0;
 291 #ifdef CONFIG_MACB
 292         rc = macb_eth_initialize(0, (void *) ATMEL_BASE_EMAC, 0x01);
 293 #endif
 294         return rc;
 295 }
 296
 297 #ifdef CONFIG_SYS_I2C_SOFT
 298 void i2c_init_board(void)
 299 {
 300         u32 pin;
 301
 302         at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
 303         at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 304         u8 sda = (1<<4);
 305         u8 scl = (1<<5);
 306
 307         writel(1 << ATMEL_ID_PIOB, &pmc->pcer);
 308         pin = sda | scl;
 309         writel(pin, &pio->piob.idr);    /* Disable Interupt */
 310         writel(pin, &pio->piob.pudr);
 311         writel(pin, &pio->piob.per);
 312         writel(pin, &pio->piob.oer);
 313         writel(pin, &pio->piob.sodr);
 314 }
 315 #endif
 316
 317 void watchdog_reset(void)
 318 {
 319         at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 320         u32     pin = 0x1;      /* PA0 */
 321
 322         if ((readl(&pio->pioa.odsr) & pin) > 0)
 323                 writel(pin, &pio->pioa.codr);
 324         else
 325                 writel(pin, &pio->pioa.sodr);
 326 }
 327
 328 void enable_caches(void)
 329 {
 330 #ifndef CONFIG_SYS_DCACHE_OFF
 331         dcache_enable();
 332 #endif
 333 }
 334
 335 /*---------------------------------------------------------------------------*/
 336
 337 int do_ledtest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 338 {
 339         int rcode = 1;
 340         int row;
 341         int col;
 342         u32 pinz;
 343         u32 pins;
 344         at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 345
 346         at91_set_pio_output(AT91_PIO_PORTB, 8, 0);      /* LCD DIM */
 347
 348         pins = 0x1F000000;
 349         writel(pins, &pio->pioa.idr);
 350         writel(pins, &pio->pioa.pudr);
 351         writel(pins, &pio->pioa.per);
 352         writel(pins, &pio->pioa.oer);
 353         writel(pins, &pio->pioa.sodr);
 354
 355         pinz = 0x1F000000;
 356         writel(pinz, &pio->piob.idr);
 357         writel(pinz, &pio->piob.pudr);
 358         writel(pinz, &pio->piob.per);
 359         writel(pinz, &pio->piob.oer);
 360         writel(pinz, &pio->piob.sodr);
 361
 362         for (row = 0; row < 5; row++) {
 363                 for (col = 0; col < 5; col++) {
 364                         writel((0x01000000 << col), &pio->piob.sodr);
 365                         writel((0x01000000 << row), &pio->pioa.codr);
 366                         printf("LED Test %d x %d\n", row, col);
 367                         udelay(1000000);
 368                         writel(pinz, &pio->piob.codr);
 369                         writel(pins, &pio->pioa.sodr);
 370                 }
 371         }
 372         return rcode;
 373 }
 374
 375 void poweroff(void)
 376 {
 377         watchdog_reset();
 378         at91_set_pio_output(AT91_PIO_PORTA, 13, 1);     /* CAN_TX -> H */
 379         udelay(100);
 380         at91_set_pio_output(AT91_PIO_PORTA, 12, 0);     /* CAN_STB -> L */
 381         udelay(100);
 382         at91_set_pio_output(AT91_PIO_PORTA, 11, 0);     /* CAN_EN -> L */
 383         udelay(100);
 384         while (1)
 385                 watchdog_reset();
 386 }
 387
 388 int do_poweroff(cmd_tbl_t *cmdtp, int flag, int argc,  char * const argv[])
 389 {
 390         int rcode = 1;
 391         poweroff();
 392         return rcode;
 393 }
 394
 395 int do_beep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 396 {
 397         int i;
 398         u32 freq;
 399         u32 durate;
 400         int rcode = 1;
 401
 402         freq = 1000;
 403         durate = 2;
 404         switch (argc) {
 405         case 3:
 406                 durate = simple_strtoul(argv[2], NULL, 10);
 407         case 2:
 408                 freq = simple_strtoul(argv[1], NULL, 10);
 409         case 1:
 410                 break;
 411         default:
 412                 cmd_usage(cmdtp);
 413                 rcode = 1;
 414                 break;
 415         }
 416         durate = durate * freq;
 417         freq = 500000 / freq;
 418         for (i = 0; i < durate; i++) {
 419                 at91_set_pio_output(AT91_PIO_PORTB, 29, 1);     /* Sound On*/
 420                 udelay(freq);
 421                 at91_set_pio_output(AT91_PIO_PORTB, 29, 0);     /* Sound Off*/
 422                 udelay(freq);
 423         }
 424         at91_set_pio_output(AT91_PIO_PORTB, 29, 0);     /* Sound Off*/
 425         return rcode;
 426 }
 427
 428 int do_keytest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 429 {
 430         int rcode = 1;
 431         int row;
 432         u32 col;
 433         u32 pinz;
 434         u32 pins;
 435         at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO;
 436         at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC;
 437
 438         writel((1 << ATMEL_ID_PIOA), &pmc->pcer);
 439
 440         pins = 0x001F0000;
 441         writel(pins, &pio->pioa.idr);
 442         writel(pins, &pio->pioa.pudr);
 443         writel(pins, &pio->pioa.per);
 444         writel(pins, &pio->pioa.odr);
 445
 446         pinz = 0x000F0000;
 447         writel(pinz, &pio->piob.idr);
 448         writel(pinz, &pio->piob.pudr);
 449         writel(pinz, &pio->piob.per);
 450         writel(pinz, &pio->piob.oer);
 451         writel(pinz, &pio->piob.codr);
 452
 453         while (1) {
 454                 col = 0;
 455                 for (row = 0; row < 4; row++) {
 456                         writel((0x00010000 << row), &pio->piob.sodr);
 457                         udelay(10000);
 458                         col <<= 4;
 459                         col |= ((readl(&pio->pioa.pdsr) >> 16) & 0xF) ^ 0xF ;
 460                         writel(pinz, &pio->piob.codr);
 461                 }
 462                 printf("Matix: ");
 463                 for (row = 0; row < 16; row++) {
 464                         printf("%1.1d", col & 1);
 465                         col >>= 1;
 466                 }
 467                 printf(" SP %d\r ",
 468                         1 ^ (1 & (readl(&pio->piob.pdsr) >> 20)));
 469                 if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0) {
 470                         /* SHUTDOWN */
 471                         row = 0;
 472                         while (row < 1000) {
 473                                 if ((1 & (readl(&pio->pioa.pdsr) >> 1)) == 0)
 474                                         row++;
 475                                 udelay(100);
 476                         }
 477                         udelay(100000);
 478                         row = 0;
 479                         while (row < 1000) {
 480                                 if ((1 & (readl(&pio->pioa.pdsr) >> 1)) > 0) {
 481                                         row++;
 482                                         udelay(1000);
 483                                 }
 484                         }
 485                         poweroff();
 486                         while (1)
 487                                 ;
 488                 }
 489         }
 490         return rcode;
 491 }
 492
 493 /*****************************************************************************/
 494
 495 U_BOOT_CMD(
 496         ledtest,        1,      0,      do_ledtest,
 497         "test ledmatrix",
 498         "\n"
 499         );
 500
 501 U_BOOT_CMD(
 502         keytest,        1,      0,      do_keytest,
 503         "test keymatix and special keys, poweroff on pressing ON key",
 504         "\n"
 505         );
 506
 507 U_BOOT_CMD(
 508         poweroff,       1,      0,      do_poweroff,
 509         "power off",
 510         "\n"
 511         );
 512
 513 U_BOOT_CMD(
 514         beep,   3,      0,      do_beep,
 515         "[freq [duration]]",
 516         "freq frequence of beep\nduration duration of beep\n"
 517         );
 518
 519 /*****************************************************************************/