board/freescale/mx53loco/mx53loco.c

   1 /*
   2  * Copyright (C) 2011 Freescale Semiconductor, Inc.
   3  * Jason Liu <r64343@freescale.com>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <asm/io.h>
  26 #include <asm/arch/imx-regs.h>
  27 #include <asm/arch/mx5x_pins.h>
  28 #include <asm/arch/sys_proto.h>
  29 #include <asm/arch/crm_regs.h>
  30 #include <asm/arch/clock.h>
  31 #include <asm/arch/iomux.h>
  32 #include <asm/arch/clock.h>
  33 #include <asm/errno.h>
  34 #include <asm/imx-common/mx5_video.h>
  35 #include <netdev.h>
  36 #include <i2c.h>
  37 #include <mmc.h>
  38 #include <fsl_esdhc.h>
  39 #include <asm/gpio.h>
  40 #include <power/pmic.h>
  41 #include <dialog_pmic.h>
  42 #include <fsl_pmic.h>
  43 #include <linux/fb.h>
  44 #include <ipu_pixfmt.h>
  45
  46 #define MX53LOCO_LCD_POWER              IMX_GPIO_NR(3, 24)
  47
  48 DECLARE_GLOBAL_DATA_PTR;
  49
  50 int dram_init(void)
  51 {
  52         u32 size1, size2;
  53
  54         size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
  55         size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
  56
  57         gd->ram_size = size1 + size2;
  58
  59         return 0;
  60 }
  61 void dram_init_banksize(void)
  62 {
  63         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
  64         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
  65
  66         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
  67         gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
  68 }
  69
  70 u32 get_board_rev(void)
  71 {
  72         struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
  73         struct fuse_bank *bank = &iim->bank[0];
  74         struct fuse_bank0_regs *fuse =
  75                 (struct fuse_bank0_regs *)bank->fuse_regs;
  76
  77         int rev = readl(&fuse->gp[6]);
  78
  79         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR))
  80                 rev = 0;
  81
  82         return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8;
  83 }
  84
  85 static void setup_iomux_uart(void)
  86 {
  87         /* UART1 RXD */
  88         mxc_request_iomux(MX53_PIN_CSI0_D11, IOMUX_CONFIG_ALT2);
  89         mxc_iomux_set_pad(MX53_PIN_CSI0_D11,
  90                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
  91                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
  92                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
  93                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
  94         mxc_iomux_set_input(MX53_UART1_IPP_UART_RXD_MUX_SELECT_INPUT, 0x1);
  95
  96         /* UART1 TXD */
  97         mxc_request_iomux(MX53_PIN_CSI0_D10, IOMUX_CONFIG_ALT2);
  98         mxc_iomux_set_pad(MX53_PIN_CSI0_D10,
  99                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 100                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 101                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU |
 102                                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
 103 }
 104
 105 #ifdef CONFIG_USB_EHCI_MX5
 106 int board_ehci_hcd_init(int port)
 107 {
 108         /* request VBUS power enable pin, GPIO7_8 */
 109         mxc_request_iomux(MX53_PIN_ATA_DA_2, IOMUX_CONFIG_ALT1);
 110         gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
 111         return 0;
 112 }
 113 #endif
 114
 115 static void setup_iomux_fec(void)
 116 {
 117         /*FEC_MDIO*/
 118         mxc_request_iomux(MX53_PIN_FEC_MDIO, IOMUX_CONFIG_ALT0);
 119         mxc_iomux_set_pad(MX53_PIN_FEC_MDIO,
 120                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 121                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 122                                 PAD_CTL_22K_PU | PAD_CTL_ODE_OPENDRAIN_ENABLE);
 123         mxc_iomux_set_input(MX53_FEC_FEC_MDI_SELECT_INPUT, 0x1);
 124
 125         /*FEC_MDC*/
 126         mxc_request_iomux(MX53_PIN_FEC_MDC, IOMUX_CONFIG_ALT0);
 127         mxc_iomux_set_pad(MX53_PIN_FEC_MDC, PAD_CTL_DRV_HIGH);
 128
 129         /* FEC RXD1 */
 130         mxc_request_iomux(MX53_PIN_FEC_RXD1, IOMUX_CONFIG_ALT0);
 131         mxc_iomux_set_pad(MX53_PIN_FEC_RXD1,
 132                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
 133
 134         /* FEC RXD0 */
 135         mxc_request_iomux(MX53_PIN_FEC_RXD0, IOMUX_CONFIG_ALT0);
 136         mxc_iomux_set_pad(MX53_PIN_FEC_RXD0,
 137                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
 138
 139          /* FEC TXD1 */
 140         mxc_request_iomux(MX53_PIN_FEC_TXD1, IOMUX_CONFIG_ALT0);
 141         mxc_iomux_set_pad(MX53_PIN_FEC_TXD1, PAD_CTL_DRV_HIGH);
 142
 143         /* FEC TXD0 */
 144         mxc_request_iomux(MX53_PIN_FEC_TXD0, IOMUX_CONFIG_ALT0);
 145         mxc_iomux_set_pad(MX53_PIN_FEC_TXD0, PAD_CTL_DRV_HIGH);
 146
 147         /* FEC TX_EN */
 148         mxc_request_iomux(MX53_PIN_FEC_TX_EN, IOMUX_CONFIG_ALT0);
 149         mxc_iomux_set_pad(MX53_PIN_FEC_TX_EN, PAD_CTL_DRV_HIGH);
 150
 151         /* FEC TX_CLK */
 152         mxc_request_iomux(MX53_PIN_FEC_REF_CLK, IOMUX_CONFIG_ALT0);
 153         mxc_iomux_set_pad(MX53_PIN_FEC_REF_CLK,
 154                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
 155
 156         /* FEC RX_ER */
 157         mxc_request_iomux(MX53_PIN_FEC_RX_ER, IOMUX_CONFIG_ALT0);
 158         mxc_iomux_set_pad(MX53_PIN_FEC_RX_ER,
 159                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
 160
 161         /* FEC CRS */
 162         mxc_request_iomux(MX53_PIN_FEC_CRS_DV, IOMUX_CONFIG_ALT0);
 163         mxc_iomux_set_pad(MX53_PIN_FEC_CRS_DV,
 164                         PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE);
 165 }
 166
 167 #ifdef CONFIG_FSL_ESDHC
 168 struct fsl_esdhc_cfg esdhc_cfg[2] = {
 169         {MMC_SDHC1_BASE_ADDR},
 170         {MMC_SDHC3_BASE_ADDR},
 171 };
 172
 173 int board_mmc_getcd(struct mmc *mmc)
 174 {
 175         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 176         int ret;
 177
 178         mxc_request_iomux(MX53_PIN_EIM_DA11, IOMUX_CONFIG_ALT1);
 179         gpio_direction_input(IMX_GPIO_NR(3, 11));
 180         mxc_request_iomux(MX53_PIN_EIM_DA13, IOMUX_CONFIG_ALT1);
 181         gpio_direction_input(IMX_GPIO_NR(3, 13));
 182
 183         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 184                 ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
 185         else
 186                 ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
 187
 188         return ret;
 189 }
 190
 191 int board_mmc_init(bd_t *bis)
 192 {
 193         u32 index;
 194         s32 status = 0;
 195
 196         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 197         esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 198
 199         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
 200                 switch (index) {
 201                 case 0:
 202                         mxc_request_iomux(MX53_PIN_SD1_CMD, IOMUX_CONFIG_ALT0);
 203                         mxc_request_iomux(MX53_PIN_SD1_CLK, IOMUX_CONFIG_ALT0);
 204                         mxc_request_iomux(MX53_PIN_SD1_DATA0,
 205                                                 IOMUX_CONFIG_ALT0);
 206                         mxc_request_iomux(MX53_PIN_SD1_DATA1,
 207                                                 IOMUX_CONFIG_ALT0);
 208                         mxc_request_iomux(MX53_PIN_SD1_DATA2,
 209                                                 IOMUX_CONFIG_ALT0);
 210                         mxc_request_iomux(MX53_PIN_SD1_DATA3,
 211                                                 IOMUX_CONFIG_ALT0);
 212                         mxc_request_iomux(MX53_PIN_EIM_DA13,
 213                                                 IOMUX_CONFIG_ALT1);
 214
 215                         mxc_iomux_set_pad(MX53_PIN_SD1_CMD,
 216                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 217                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 218                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
 219                         mxc_iomux_set_pad(MX53_PIN_SD1_CLK,
 220                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 221                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 222                                 PAD_CTL_DRV_HIGH);
 223                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA0,
 224                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 225                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 226                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 227                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA1,
 228                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 229                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 230                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 231                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA2,
 232                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 233                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 234                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 235                         mxc_iomux_set_pad(MX53_PIN_SD1_DATA3,
 236                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 237                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 238                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 239                         break;
 240                 case 1:
 241                         mxc_request_iomux(MX53_PIN_ATA_RESET_B,
 242                                                 IOMUX_CONFIG_ALT2);
 243                         mxc_request_iomux(MX53_PIN_ATA_IORDY,
 244                                                 IOMUX_CONFIG_ALT2);
 245                         mxc_request_iomux(MX53_PIN_ATA_DATA8,
 246                                                 IOMUX_CONFIG_ALT4);
 247                         mxc_request_iomux(MX53_PIN_ATA_DATA9,
 248                                                 IOMUX_CONFIG_ALT4);
 249                         mxc_request_iomux(MX53_PIN_ATA_DATA10,
 250                                                 IOMUX_CONFIG_ALT4);
 251                         mxc_request_iomux(MX53_PIN_ATA_DATA11,
 252                                                 IOMUX_CONFIG_ALT4);
 253                         mxc_request_iomux(MX53_PIN_ATA_DATA0,
 254                                                 IOMUX_CONFIG_ALT4);
 255                         mxc_request_iomux(MX53_PIN_ATA_DATA1,
 256                                                 IOMUX_CONFIG_ALT4);
 257                         mxc_request_iomux(MX53_PIN_ATA_DATA2,
 258                                                 IOMUX_CONFIG_ALT4);
 259                         mxc_request_iomux(MX53_PIN_ATA_DATA3,
 260                                                 IOMUX_CONFIG_ALT4);
 261                         mxc_request_iomux(MX53_PIN_EIM_DA11,
 262                                                 IOMUX_CONFIG_ALT1);
 263
 264                         mxc_iomux_set_pad(MX53_PIN_ATA_RESET_B,
 265                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 266                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 267                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PU);
 268                         mxc_iomux_set_pad(MX53_PIN_ATA_IORDY,
 269                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 270                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 271                                 PAD_CTL_DRV_HIGH);
 272                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA8,
 273                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 274                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 275                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 276                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA9,
 277                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 278                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 279                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 280                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA10,
 281                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 282                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 283                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 284                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA11,
 285                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 286                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 287                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 288                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA0,
 289                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 290                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 291                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 292                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA1,
 293                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 294                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 295                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 296                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA2,
 297                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 298                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 299                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 300                         mxc_iomux_set_pad(MX53_PIN_ATA_DATA3,
 301                                 PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH |
 302                                 PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE |
 303                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
 304
 305                         break;
 306                 default:
 307                         printf("Warning: you configured more ESDHC controller"
 308                                 "(%d) as supported by the board(2)\n",
 309                                 CONFIG_SYS_FSL_ESDHC_NUM);
 310                         return status;
 311                 }
 312                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 313         }
 314
 315         return status;
 316 }
 317 #endif
 318
 319 static void setup_iomux_i2c(void)
 320 {
 321         /* I2C1 SDA */
 322         mxc_request_iomux(MX53_PIN_CSI0_D8,
 323                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
 324         mxc_iomux_set_input(MX53_I2C1_IPP_SDA_IN_SELECT_INPUT,
 325                 INPUT_CTL_PATH0);
 326         mxc_iomux_set_pad(MX53_PIN_CSI0_D8,
 327                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
 328                 PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
 329                 PAD_CTL_PUE_PULL |
 330                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
 331         /* I2C1 SCL */
 332         mxc_request_iomux(MX53_PIN_CSI0_D9,
 333                 IOMUX_CONFIG_ALT5 | IOMUX_CONFIG_SION);
 334         mxc_iomux_set_input(MX53_I2C1_IPP_SCL_IN_SELECT_INPUT,
 335                 INPUT_CTL_PATH0);
 336         mxc_iomux_set_pad(MX53_PIN_CSI0_D9,
 337                 PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |
 338                 PAD_CTL_100K_PU | PAD_CTL_PKE_ENABLE |
 339                 PAD_CTL_PUE_PULL |
 340                 PAD_CTL_ODE_OPENDRAIN_ENABLE);
 341 }
 342
 343 static int power_init(void)
 344 {
 345         unsigned int val;
 346         int ret;
 347         struct pmic *p;
 348
 349         if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
 350                 ret = pmic_dialog_init(I2C_PMIC);
 351                 if (ret)
 352                         return ret;
 353
 354                 p = pmic_get("DIALOG_PMIC");
 355                 if (!p)
 356                         return -ENODEV;
 357
 358                 /* Set VDDA to 1.25V */
 359                 val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
 360                 ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
 361                 if (ret) {
 362                         printf("Writing to BUCKCORE_REG failed: %d\n", ret);
 363                         return ret;
 364                 }
 365
 366                 pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
 367                 val |= DA9052_SUPPLY_VBCOREGO;
 368                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, val);
 369                 if (ret) {
 370                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 371                         return ret;
 372                 }
 373
 374                 /* Set Vcc peripheral to 1.30V */
 375                 ret = pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
 376                 if (ret) {
 377                         printf("Writing to BUCKPRO_REG failed: %d\n", ret);
 378                         return ret;
 379                 }
 380
 381                 ret = pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
 382                 if (ret) {
 383                         printf("Writing to SUPPLY_REG failed: %d\n", ret);
 384                         return ret;
 385                 }
 386
 387                 return ret;
 388         }
 389
 390         if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
 391                 ret = pmic_init(I2C_PMIC);
 392                 if (ret)
 393                         return ret;
 394
 395                 p = pmic_get("FSL_PMIC");
 396                 if (!p)
 397                         return -ENODEV;
 398
 399                 /* Set VDDGP to 1.25V for 1GHz on SW1 */
 400                 pmic_reg_read(p, REG_SW_0, &val);
 401                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
 402                 ret = pmic_reg_write(p, REG_SW_0, val);
 403                 if (ret) {
 404                         printf("Writing to REG_SW_0 failed: %d\n", ret);
 405                         return ret;
 406                 }
 407
 408                 /* Set VCC as 1.30V on SW2 */
 409                 pmic_reg_read(p, REG_SW_1, &val);
 410                 val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
 411                 ret = pmic_reg_write(p, REG_SW_1, val);
 412                 if (ret) {
 413                         printf("Writing to REG_SW_1 failed: %d\n", ret);
 414                         return ret;
 415                 }
 416
 417                 /* Set global reset timer to 4s */
 418                 pmic_reg_read(p, REG_POWER_CTL2, &val);
 419                 val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
 420                 ret = pmic_reg_write(p, REG_POWER_CTL2, val);
 421                 if (ret) {
 422                         printf("Writing to REG_POWER_CTL2 failed: %d\n", ret);
 423                         return ret;
 424                 }
 425
 426                 /* Set VUSBSEL and VUSBEN for USB PHY supply*/
 427                 pmic_reg_read(p, REG_MODE_0, &val);
 428                 val |= (VUSBSEL_MC34708 | VUSBEN_MC34708);
 429                 ret = pmic_reg_write(p, REG_MODE_0, val);
 430                 if (ret) {
 431                         printf("Writing to REG_MODE_0 failed: %d\n", ret);
 432                         return ret;
 433                 }
 434
 435                 /* Set SWBST to 5V in auto mode */
 436                 val = SWBST_AUTO;
 437                 ret = pmic_reg_write(p, SWBST_CTRL, val);
 438                 if (ret) {
 439                         printf("Writing to SWBST_CTRL failed: %d\n", ret);
 440                         return ret;
 441                 }
 442
 443                 return ret;
 444         }
 445
 446         return -1;
 447 }
 448
 449 static void clock_1GHz(void)
 450 {
 451         int ret;
 452         u32 ref_clk = MXC_HCLK;
 453         /*
 454          * After increasing voltage to 1.25V, we can switch
 455          * CPU clock to 1GHz and DDR to 400MHz safely
 456          */
 457         ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK);
 458         if (ret)
 459                 printf("CPU:   Switch CPU clock to 1GHZ failed\n");
 460
 461         ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK);
 462         ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK);
 463         if (ret)
 464                 printf("CPU:   Switch DDR clock to 400MHz failed\n");
 465 }
 466
 467 int board_early_init_f(void)
 468 {
 469         setup_iomux_uart();
 470         setup_iomux_fec();
 471         setup_iomux_lcd();
 472
 473         return 0;
 474 }
 475
 476 int print_cpuinfo(void)
 477 {
 478         u32 cpurev;
 479
 480         cpurev = get_cpu_rev();
 481         printf("CPU:   Freescale i.MX%x family rev%d.%d at %d MHz\n",
 482                 (cpurev & 0xFF000) >> 12,
 483                 (cpurev & 0x000F0) >> 4,
 484                 (cpurev & 0x0000F) >> 0,
 485                 mxc_get_clock(MXC_ARM_CLK) / 1000000);
 486         printf("Reset cause: %s\n", get_reset_cause());
 487         return 0;
 488 }
 489
 490 /*
 491  * Do not overwrite the console
 492  * Use always serial for U-Boot console
 493  */
 494 int overwrite_console(void)
 495 {
 496         return 1;
 497 }
 498
 499 int board_init(void)
 500 {
 501         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 502
 503         mxc_set_sata_internal_clock();
 504         setup_iomux_i2c();
 505
 506         lcd_enable();
 507
 508         return 0;
 509 }
 510
 511 int board_late_init(void)
 512 {
 513         if (!power_init())
 514                 clock_1GHz();
 515         print_cpuinfo();
 516
 517         return 0;
 518 }
 519
 520 int checkboard(void)
 521 {
 522         puts("Board: MX53 LOCO\n");
 523
 524         return 0;
 525 }