board/freescale/mx51evk/mx51evk.c

   1 /*
   2  * (C) Copyright 2009 Freescale Semiconductor, Inc.
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #include <common.h>
  24 #include <asm/io.h>
  25 #include <asm/gpio.h>
  26 #include <asm/arch/imx-regs.h>
  27 #include <asm/arch/mx5x_pins.h>
  28 #include <asm/arch/iomux.h>
  29 #include <asm/errno.h>
  30 #include <asm/arch/sys_proto.h>
  31 #include <asm/arch/crm_regs.h>
  32 #include <i2c.h>
  33 #include <mmc.h>
  34 #include <fsl_esdhc.h>
  35 #include <pmic.h>
  36 #include <fsl_pmic.h>
  37 #include <mc13892.h>
  38 #include <usb/ehci-fsl.h>
  39 #include <linux/fb.h>
  40 #include <ipu_pixfmt.h>
  41
  42 #define MX51EVK_LCD_3V3         IMX_GPIO_NR(4, 9)
  43 #define MX51EVK_LCD_5V          IMX_GPIO_NR(4, 10)
  44 #define MX51EVK_LCD_BACKLIGHT   IMX_GPIO_NR(3, 4)
  45
  46 DECLARE_GLOBAL_DATA_PTR;
  47
  48 #ifdef CONFIG_FSL_ESDHC
  49 struct fsl_esdhc_cfg esdhc_cfg[2] = {
  50         {MMC_SDHC1_BASE_ADDR},
  51         {MMC_SDHC2_BASE_ADDR},
  52 };
  53 #endif
  54
  55 int dram_init(void)
  56 {
  57         /* dram_init must store complete ramsize in gd->ram_size */
  58         gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  59                                 PHYS_SDRAM_1_SIZE);
  60         return 0;
  61 }
  62
  63 static void setup_iomux_uart(void)
  64 {
  65         unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE |
  66                         PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH;
  67
  68         mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0);
  69         mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST);
  70         mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0);
  71         mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST);
  72         mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0);
  73         mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad);
  74         mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0);
  75         mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad);
  76 }
  77
  78 static void setup_iomux_fec(void)
  79 {
  80         /*FEC_MDIO*/
  81         mxc_request_iomux(MX51_PIN_EIM_EB2 , IOMUX_CONFIG_ALT3);
  82         mxc_iomux_set_pad(MX51_PIN_EIM_EB2 , 0x1FD);
  83
  84         /*FEC_MDC*/
  85         mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT2);
  86         mxc_iomux_set_pad(MX51_PIN_NANDF_CS3, 0x2004);
  87
  88         /* FEC RDATA[3] */
  89         mxc_request_iomux(MX51_PIN_EIM_CS3, IOMUX_CONFIG_ALT3);
  90         mxc_iomux_set_pad(MX51_PIN_EIM_CS3, 0x180);
  91
  92         /* FEC RDATA[2] */
  93         mxc_request_iomux(MX51_PIN_EIM_CS2, IOMUX_CONFIG_ALT3);
  94         mxc_iomux_set_pad(MX51_PIN_EIM_CS2, 0x180);
  95
  96         /* FEC RDATA[1] */
  97         mxc_request_iomux(MX51_PIN_EIM_EB3, IOMUX_CONFIG_ALT3);
  98         mxc_iomux_set_pad(MX51_PIN_EIM_EB3, 0x180);
  99
 100         /* FEC RDATA[0] */
 101         mxc_request_iomux(MX51_PIN_NANDF_D9, IOMUX_CONFIG_ALT2);
 102         mxc_iomux_set_pad(MX51_PIN_NANDF_D9, 0x2180);
 103
 104         /* FEC TDATA[3] */
 105         mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT2);
 106         mxc_iomux_set_pad(MX51_PIN_NANDF_CS6, 0x2004);
 107
 108         /* FEC TDATA[2] */
 109         mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT2);
 110         mxc_iomux_set_pad(MX51_PIN_NANDF_CS5, 0x2004);
 111
 112         /* FEC TDATA[1] */
 113         mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT2);
 114         mxc_iomux_set_pad(MX51_PIN_NANDF_CS4, 0x2004);
 115
 116         /* FEC TDATA[0] */
 117         mxc_request_iomux(MX51_PIN_NANDF_D8, IOMUX_CONFIG_ALT2);
 118         mxc_iomux_set_pad(MX51_PIN_NANDF_D8, 0x2004);
 119
 120         /* FEC TX_EN */
 121         mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT1);
 122         mxc_iomux_set_pad(MX51_PIN_NANDF_CS7, 0x2004);
 123
 124         /* FEC TX_ER */
 125         mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT2);
 126         mxc_iomux_set_pad(MX51_PIN_NANDF_CS2, 0x2004);
 127
 128         /* FEC TX_CLK */
 129         mxc_request_iomux(MX51_PIN_NANDF_RDY_INT, IOMUX_CONFIG_ALT1);
 130         mxc_iomux_set_pad(MX51_PIN_NANDF_RDY_INT, 0x2180);
 131
 132         /* FEC TX_COL */
 133         mxc_request_iomux(MX51_PIN_NANDF_RB2, IOMUX_CONFIG_ALT1);
 134         mxc_iomux_set_pad(MX51_PIN_NANDF_RB2, 0x2180);
 135
 136         /* FEC RX_CLK */
 137         mxc_request_iomux(MX51_PIN_NANDF_RB3, IOMUX_CONFIG_ALT1);
 138         mxc_iomux_set_pad(MX51_PIN_NANDF_RB3, 0x2180);
 139
 140         /* FEC RX_CRS */
 141         mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT3);
 142         mxc_iomux_set_pad(MX51_PIN_EIM_CS5, 0x180);
 143
 144         /* FEC RX_ER */
 145         mxc_request_iomux(MX51_PIN_EIM_CS4, IOMUX_CONFIG_ALT3);
 146         mxc_iomux_set_pad(MX51_PIN_EIM_CS4, 0x180);
 147
 148         /* FEC RX_DV */
 149         mxc_request_iomux(MX51_PIN_NANDF_D11, IOMUX_CONFIG_ALT2);
 150         mxc_iomux_set_pad(MX51_PIN_NANDF_D11, 0x2180);
 151 }
 152
 153 #ifdef CONFIG_MXC_SPI
 154 static void setup_iomux_spi(void)
 155 {
 156         /* 000: Select mux mode: ALT0 mux port: MOSI of instance: ecspi1 */
 157         mxc_request_iomux(MX51_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT0);
 158         mxc_iomux_set_pad(MX51_PIN_CSPI1_MOSI, 0x105);
 159
 160         /* 000: Select mux mode: ALT0 mux port: MISO of instance: ecspi1. */
 161         mxc_request_iomux(MX51_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT0);
 162         mxc_iomux_set_pad(MX51_PIN_CSPI1_MISO, 0x105);
 163
 164         /* de-select SS1 of instance: ecspi1. */
 165         mxc_request_iomux(MX51_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT3);
 166         mxc_iomux_set_pad(MX51_PIN_CSPI1_SS1, 0x85);
 167
 168         /* 000: Select mux mode: ALT0 mux port: SS0 ecspi1 */
 169         mxc_request_iomux(MX51_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT0);
 170         mxc_iomux_set_pad(MX51_PIN_CSPI1_SS0, 0x185);
 171
 172         /* 000: Select mux mode: ALT0 mux port: RDY of instance: ecspi1. */
 173         mxc_request_iomux(MX51_PIN_CSPI1_RDY, IOMUX_CONFIG_ALT0);
 174         mxc_iomux_set_pad(MX51_PIN_CSPI1_RDY, 0x180);
 175
 176         /* 000: Select mux mode: ALT0 mux port: SCLK of instance: ecspi1. */
 177         mxc_request_iomux(MX51_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT0);
 178         mxc_iomux_set_pad(MX51_PIN_CSPI1_SCLK, 0x105);
 179 }
 180 #endif
 181
 182 #ifdef CONFIG_USB_EHCI_MX5
 183 #define MX51EVK_USBH1_HUB_RST   IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */
 184 #define MX51EVK_USBH1_STP       IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */
 185 #define MX51EVK_USB_CLK_EN_B    IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */
 186 #define MX51EVK_USB_PHY_RESET   IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */
 187
 188 #define USBH1_PAD       (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH |          \
 189                          PAD_CTL_100K_PU | PAD_CTL_PUE_PULL |           \
 190                          PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE)
 191 #define GPIO_PAD        (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE |        \
 192                          PAD_CTL_SRE_FAST)
 193 #define NO_PAD          (1 << 16)
 194
 195 static void setup_usb_h1(void)
 196 {
 197         setup_iomux_usb_h1();
 198
 199         /* GPIO_1_7 for USBH1 hub reset */
 200         mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0);
 201         mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD);
 202
 203         /* GPIO_2_1 */
 204         mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1);
 205         mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD);
 206
 207         /* GPIO_2_5 for USB PHY reset */
 208         mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1);
 209         mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD);
 210 }
 211
 212 int board_ehci_hcd_init(int port)
 213 {
 214         /* Set USBH1_STP to GPIO and toggle it */
 215         mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO);
 216         mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
 217
 218         gpio_direction_output(MX51EVK_USBH1_STP, 0);
 219         gpio_direction_output(MX51EVK_USB_PHY_RESET, 0);
 220         mdelay(10);
 221         gpio_set_value(MX51EVK_USBH1_STP, 1);
 222
 223         /* Set back USBH1_STP to be function */
 224         mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
 225         mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD);
 226
 227         /* De-assert USB PHY RESETB */
 228         gpio_set_value(MX51EVK_USB_PHY_RESET, 1);
 229
 230         /* Drive USB_CLK_EN_B line low */
 231         gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0);
 232
 233         /* Reset USB hub */
 234         gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0);
 235         mdelay(2);
 236         gpio_set_value(MX51EVK_USBH1_HUB_RST, 1);
 237         return 0;
 238 }
 239 #endif
 240
 241 static void power_init(void)
 242 {
 243         unsigned int val;
 244         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
 245         struct pmic *p;
 246
 247         pmic_init();
 248         p = get_pmic();
 249
 250         /* Write needed to Power Gate 2 register */
 251         pmic_reg_read(p, REG_POWER_MISC, &val);
 252         val &= ~PWGT2SPIEN;
 253         pmic_reg_write(p, REG_POWER_MISC, val);
 254
 255         /* Externally powered */
 256         pmic_reg_read(p, REG_CHARGE, &val);
 257         val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB;
 258         pmic_reg_write(p, REG_CHARGE, val);
 259
 260         /* power up the system first */
 261         pmic_reg_write(p, REG_POWER_MISC, PWUP);
 262
 263         /* Set core voltage to 1.1V */
 264         pmic_reg_read(p, REG_SW_0, &val);
 265         val = (val & ~SWx_VOLT_MASK) | SWx_1_100V;
 266         pmic_reg_write(p, REG_SW_0, val);
 267
 268         /* Setup VCC (SW2) to 1.25 */
 269         pmic_reg_read(p, REG_SW_1, &val);
 270         val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
 271         pmic_reg_write(p, REG_SW_1, val);
 272
 273         /* Setup 1V2_DIG1 (SW3) to 1.25 */
 274         pmic_reg_read(p, REG_SW_2, &val);
 275         val = (val & ~SWx_VOLT_MASK) | SWx_1_250V;
 276         pmic_reg_write(p, REG_SW_2, val);
 277         udelay(50);
 278
 279         /* Raise the core frequency to 800MHz */
 280         writel(0x0, &mxc_ccm->cacrr);
 281
 282         /* Set switchers in Auto in NORMAL mode & STANDBY mode */
 283         /* Setup the switcher mode for SW1 & SW2*/
 284         pmic_reg_read(p, REG_SW_4, &val);
 285         val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
 286                 (SWMODE_MASK << SWMODE2_SHIFT)));
 287         val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
 288                 (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
 289         pmic_reg_write(p, REG_SW_4, val);
 290
 291         /* Setup the switcher mode for SW3 & SW4 */
 292         pmic_reg_read(p, REG_SW_5, &val);
 293         val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) |
 294                 (SWMODE_MASK << SWMODE4_SHIFT)));
 295         val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) |
 296                 (SWMODE_AUTO_AUTO << SWMODE4_SHIFT);
 297         pmic_reg_write(p, REG_SW_5, val);
 298
 299         /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */
 300         pmic_reg_read(p, REG_SETTING_0, &val);
 301         val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK);
 302         val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6;
 303         pmic_reg_write(p, REG_SETTING_0, val);
 304
 305         /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */
 306         pmic_reg_read(p, REG_SETTING_1, &val);
 307         val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
 308         val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775;
 309         pmic_reg_write(p, REG_SETTING_1, val);
 310
 311         /* Configure VGEN3 and VCAM regulators to use external PNP */
 312         val = VGEN3CONFIG | VCAMCONFIG;
 313         pmic_reg_write(p, REG_MODE_1, val);
 314         udelay(200);
 315
 316         /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
 317         val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
 318                 VVIDEOEN | VAUDIOEN  | VSDEN;
 319         pmic_reg_write(p, REG_MODE_1, val);
 320
 321         mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1);
 322         gpio_direction_output(IMX_GPIO_NR(2, 14), 0);
 323
 324         udelay(500);
 325
 326         gpio_set_value(IMX_GPIO_NR(2, 14), 1);
 327 }
 328
 329 #ifdef CONFIG_FSL_ESDHC
 330 int board_mmc_getcd(struct mmc *mmc)
 331 {
 332         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 333         int ret;
 334
 335         mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1);
 336         gpio_direction_input(IMX_GPIO_NR(1, 0));
 337         mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0);
 338         gpio_direction_input(IMX_GPIO_NR(1, 6));
 339
 340         if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
 341                 ret = !gpio_get_value(IMX_GPIO_NR(1, 0));
 342         else
 343                 ret = !gpio_get_value(IMX_GPIO_NR(1, 6));
 344
 345         return ret;
 346 }
 347
 348 int board_mmc_init(bd_t *bis)
 349 {
 350         u32 index;
 351         s32 status = 0;
 352
 353         for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM;
 354                         index++) {
 355                 switch (index) {
 356                 case 0:
 357                         mxc_request_iomux(MX51_PIN_SD1_CMD,
 358                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 359                         mxc_request_iomux(MX51_PIN_SD1_CLK,
 360                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 361                         mxc_request_iomux(MX51_PIN_SD1_DATA0,
 362                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 363                         mxc_request_iomux(MX51_PIN_SD1_DATA1,
 364                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 365                         mxc_request_iomux(MX51_PIN_SD1_DATA2,
 366                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 367                         mxc_request_iomux(MX51_PIN_SD1_DATA3,
 368                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 369                         mxc_iomux_set_pad(MX51_PIN_SD1_CMD,
 370                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 371                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 372                                 PAD_CTL_PUE_PULL |
 373                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 374                         mxc_iomux_set_pad(MX51_PIN_SD1_CLK,
 375                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 376                                 PAD_CTL_HYS_NONE | PAD_CTL_47K_PU |
 377                                 PAD_CTL_PUE_PULL |
 378                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 379                         mxc_iomux_set_pad(MX51_PIN_SD1_DATA0,
 380                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 381                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 382                                 PAD_CTL_PUE_PULL |
 383                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 384                         mxc_iomux_set_pad(MX51_PIN_SD1_DATA1,
 385                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 386                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 387                                 PAD_CTL_PUE_PULL |
 388                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 389                         mxc_iomux_set_pad(MX51_PIN_SD1_DATA2,
 390                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 391                                 PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU |
 392                                 PAD_CTL_PUE_PULL |
 393                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 394                         mxc_iomux_set_pad(MX51_PIN_SD1_DATA3,
 395                                 PAD_CTL_DRV_MAX | PAD_CTL_DRV_VOT_HIGH |
 396                                 PAD_CTL_HYS_ENABLE | PAD_CTL_100K_PD |
 397                                 PAD_CTL_PUE_PULL |
 398                                 PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
 399                         mxc_request_iomux(MX51_PIN_GPIO1_0,
 400                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 401                         mxc_iomux_set_pad(MX51_PIN_GPIO1_0,
 402                                 PAD_CTL_HYS_ENABLE);
 403                         mxc_request_iomux(MX51_PIN_GPIO1_1,
 404                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 405                         mxc_iomux_set_pad(MX51_PIN_GPIO1_1,
 406                                 PAD_CTL_HYS_ENABLE);
 407                         break;
 408                 case 1:
 409                         mxc_request_iomux(MX51_PIN_SD2_CMD,
 410                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 411                         mxc_request_iomux(MX51_PIN_SD2_CLK,
 412                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 413                         mxc_request_iomux(MX51_PIN_SD2_DATA0,
 414                                 IOMUX_CONFIG_ALT0);
 415                         mxc_request_iomux(MX51_PIN_SD2_DATA1,
 416                                 IOMUX_CONFIG_ALT0);
 417                         mxc_request_iomux(MX51_PIN_SD2_DATA2,
 418                                 IOMUX_CONFIG_ALT0);
 419                         mxc_request_iomux(MX51_PIN_SD2_DATA3,
 420                                 IOMUX_CONFIG_ALT0);
 421                         mxc_iomux_set_pad(MX51_PIN_SD2_CMD,
 422                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 423                                 PAD_CTL_SRE_FAST);
 424                         mxc_iomux_set_pad(MX51_PIN_SD2_CLK,
 425                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 426                                 PAD_CTL_SRE_FAST);
 427                         mxc_iomux_set_pad(MX51_PIN_SD2_DATA0,
 428                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 429                                 PAD_CTL_SRE_FAST);
 430                         mxc_iomux_set_pad(MX51_PIN_SD2_DATA1,
 431                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 432                                 PAD_CTL_SRE_FAST);
 433                         mxc_iomux_set_pad(MX51_PIN_SD2_DATA2,
 434                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 435                                 PAD_CTL_SRE_FAST);
 436                         mxc_iomux_set_pad(MX51_PIN_SD2_DATA3,
 437                                 PAD_CTL_DRV_MAX | PAD_CTL_22K_PU |
 438                                 PAD_CTL_SRE_FAST);
 439                         mxc_request_iomux(MX51_PIN_SD2_CMD,
 440                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 441                         mxc_request_iomux(MX51_PIN_GPIO1_6,
 442                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 443                         mxc_iomux_set_pad(MX51_PIN_GPIO1_6,
 444                                 PAD_CTL_HYS_ENABLE);
 445                         mxc_request_iomux(MX51_PIN_GPIO1_5,
 446                                 IOMUX_CONFIG_ALT0 | IOMUX_CONFIG_SION);
 447                         mxc_iomux_set_pad(MX51_PIN_GPIO1_5,
 448                                 PAD_CTL_HYS_ENABLE);
 449                         break;
 450                 default:
 451                         printf("Warning: you configured more ESDHC controller"
 452                                 "(%d) as supported by the board(2)\n",
 453                                 CONFIG_SYS_FSL_ESDHC_NUM);
 454                         return status;
 455                 }
 456                 status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
 457         }
 458         return status;
 459 }
 460 #endif
 461
 462 static struct fb_videomode claa_wvga = {
 463         .name           = "CLAA07LC0ACW",
 464         .refresh        = 57,
 465         .xres           = 800,
 466         .yres           = 480,
 467         .pixclock       = 37037,
 468         .left_margin    = 40,
 469         .right_margin   = 60,
 470         .upper_margin   = 10,
 471         .lower_margin   = 10,
 472         .hsync_len      = 20,
 473         .vsync_len      = 10,
 474         .sync           = 0,
 475         .vmode          = FB_VMODE_NONINTERLACED
 476 };
 477
 478 void lcd_iomux(void)
 479 {
 480         /* DI2_PIN15 */
 481         mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);
 482
 483         /* Pad settings for MX51_PIN_DI2_DISP_CLK */
 484         mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
 485                           PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |
 486                           PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);
 487
 488         /* Turn on 3.3V voltage for LCD */
 489         mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
 490         gpio_direction_output(MX51EVK_LCD_3V3, 1);
 491
 492         /* Turn on 5V voltage for LCD */
 493         mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
 494         gpio_direction_output(MX51EVK_LCD_5V, 1);
 495
 496         /* Turn on GPIO backlight */
 497         mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
 498         mxc_iomux_set_input(MX51_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT,
 499                                                         INPUT_CTL_PATH1);
 500         gpio_direction_output(MX51EVK_LCD_BACKLIGHT, 1);
 501 }
 502
 503 void lcd_enable(void)
 504 {
 505         int ret = ipuv3_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565);
 506         if (ret)
 507                 printf("LCD cannot be configured: %d\n", ret);
 508 }
 509
 510 int board_early_init_f(void)
 511 {
 512         setup_iomux_uart();
 513         setup_iomux_fec();
 514 #ifdef CONFIG_USB_EHCI_MX5
 515         setup_usb_h1();
 516 #endif
 517         lcd_iomux();
 518
 519         return 0;
 520 }
 521
 522 int board_init(void)
 523 {
 524         /* address of boot parameters */
 525         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 526
 527         lcd_enable();
 528
 529         return 0;
 530 }
 531
 532 #ifdef CONFIG_BOARD_LATE_INIT
 533 int board_late_init(void)
 534 {
 535 #ifdef CONFIG_MXC_SPI
 536         setup_iomux_spi();
 537         power_init();
 538 #endif
 539
 540         return 0;
 541 }
 542 #endif
 543
 544 /*
 545  * Do not overwrite the console
 546  * Use always serial for U-Boot console
 547  */
 548 int overwrite_console(void)
 549 {
 550         return 1;
 551 }
 552
 553 int checkboard(void)
 554 {
 555         puts("Board: MX51EVK\n");
 556
 557         return 0;
 558 }