board/freescale/mx6slevk/mx6slevk.c

   1 /*
   2  * Copyright (C) 2013 Freescale Semiconductor, Inc.
   3  *
   4  * Author: Fabio Estevam <fabio.estevam@freescale.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <asm/arch/clock.h>
  10 #include <asm/arch/iomux.h>
  11 #include <asm/arch/crm_regs.h>
  12 #include <asm/arch/imx-regs.h>
  13 #include <asm/arch/mx6-ddr.h>
  14 #include <asm/arch/mx6-pins.h>
  15 #include <asm/arch/sys_proto.h>
  16 #include <asm/gpio.h>
  17 #include <asm/imx-common/iomux-v3.h>
  18 #include <asm/imx-common/mxc_i2c.h>
  19 #include <asm/imx-common/spi.h>
  20 #include <asm/io.h>
  21 #include <linux/sizes.h>
  22 #include <common.h>
  23 #include <fsl_esdhc.h>
  24 #include <i2c.h>
  25 #include <mmc.h>
  26 #include <netdev.h>
  27 #include <power/pmic.h>
  28 #include <power/pfuze100_pmic.h>
  29 #include "../common/pfuze.h"
  30 #include <usb.h>
  31 #include <usb/ehci-fsl.h>
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  36         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  37         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  38
  39 #define USDHC_PAD_CTRL (PAD_CTL_PUS_22K_UP |                    \
  40         PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  41         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  42
  43 #define ENET_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |             \
  44         PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED   |             \
  45         PAD_CTL_DSE_40ohm   | PAD_CTL_HYS)
  46
  47 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
  48                       PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  49
  50 #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |               \
  51                       PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  52                       PAD_CTL_DSE_40ohm | PAD_CTL_HYS |         \
  53                       PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  54
  55 #define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |             \
  56                         PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
  57                         PAD_CTL_DSE_80ohm | PAD_CTL_HYS |       \
  58                         PAD_CTL_SRE_FAST)
  59
  60 #define ETH_PHY_RESET   IMX_GPIO_NR(4, 21)
  61
  62 int dram_init(void)
  63 {
  64         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
  65
  66         return 0;
  67 }
  68
  69 static iomux_v3_cfg_t const uart1_pads[] = {
  70         MX6_PAD_UART1_TXD__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
  71         MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
  72 };
  73
  74 static iomux_v3_cfg_t const usdhc1_pads[] = {
  75         /* 8 bit SD */
  76         MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  77         MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  78         MX6_PAD_SD1_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  79         MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  80         MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  81         MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  82         MX6_PAD_SD1_DAT4__USDHC1_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  83         MX6_PAD_SD1_DAT5__USDHC1_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  84         MX6_PAD_SD1_DAT6__USDHC1_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  85         MX6_PAD_SD1_DAT7__USDHC1_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  86
  87         /*CD pin*/
  88         MX6_PAD_KEY_ROW7__GPIO_4_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
  89 };
  90
  91 static iomux_v3_cfg_t const usdhc2_pads[] = {
  92         MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  93         MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  94         MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  95         MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  96         MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  97         MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
  98
  99         /*CD pin*/
 100         MX6_PAD_SD2_DAT7__GPIO_5_0 | MUX_PAD_CTRL(NO_PAD_CTRL),
 101 };
 102
 103 static iomux_v3_cfg_t const usdhc3_pads[] = {
 104         MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 105         MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 106         MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 107         MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 108         MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 109         MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 110
 111         /*CD pin*/
 112         MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 113 };
 114
 115 static iomux_v3_cfg_t const fec_pads[] = {
 116         MX6_PAD_FEC_MDC__FEC_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 117         MX6_PAD_FEC_MDIO__FEC_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
 118         MX6_PAD_FEC_CRS_DV__FEC_RX_DV | MUX_PAD_CTRL(ENET_PAD_CTRL),
 119         MX6_PAD_FEC_RXD0__FEC_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 120         MX6_PAD_FEC_RXD1__FEC_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 121         MX6_PAD_FEC_TX_EN__FEC_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
 122         MX6_PAD_FEC_TXD0__FEC_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 123         MX6_PAD_FEC_TXD1__FEC_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 124         MX6_PAD_FEC_REF_CLK__FEC_REF_OUT | MUX_PAD_CTRL(ENET_PAD_CTRL),
 125         MX6_PAD_FEC_RX_ER__GPIO_4_19 | MUX_PAD_CTRL(NO_PAD_CTRL),
 126         MX6_PAD_FEC_TX_CLK__GPIO_4_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
 127 };
 128
 129 #ifdef CONFIG_MXC_SPI
 130 static iomux_v3_cfg_t ecspi1_pads[] = {
 131         MX6_PAD_ECSPI1_MISO__ECSPI_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
 132         MX6_PAD_ECSPI1_MOSI__ECSPI_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
 133         MX6_PAD_ECSPI1_SCLK__ECSPI_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 134         MX6_PAD_ECSPI1_SS0__GPIO4_IO11  | MUX_PAD_CTRL(NO_PAD_CTRL),
 135 };
 136
 137 int board_spi_cs_gpio(unsigned bus, unsigned cs)
 138 {
 139         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 11)) : -1;
 140 }
 141
 142 static void setup_spi(void)
 143 {
 144         imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 145 }
 146 #endif
 147
 148 static void setup_iomux_uart(void)
 149 {
 150         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 151 }
 152
 153 static void setup_iomux_fec(void)
 154 {
 155         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
 156
 157         /* Reset LAN8720 PHY */
 158         gpio_direction_output(ETH_PHY_RESET , 0);
 159         udelay(1000);
 160         gpio_set_value(ETH_PHY_RESET, 1);
 161 }
 162
 163 #define USDHC1_CD_GPIO  IMX_GPIO_NR(4, 7)
 164 #define USDHC2_CD_GPIO  IMX_GPIO_NR(5, 0)
 165 #define USDHC3_CD_GPIO  IMX_GPIO_NR(3, 22)
 166
 167 static struct fsl_esdhc_cfg usdhc_cfg[3] = {
 168         {USDHC1_BASE_ADDR},
 169         {USDHC2_BASE_ADDR, 0, 4},
 170         {USDHC3_BASE_ADDR, 0, 4},
 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 = 0;
 177
 178         switch (cfg->esdhc_base) {
 179         case USDHC1_BASE_ADDR:
 180                 ret = !gpio_get_value(USDHC1_CD_GPIO);
 181                 break;
 182         case USDHC2_BASE_ADDR:
 183                 ret = !gpio_get_value(USDHC2_CD_GPIO);
 184                 break;
 185         case USDHC3_BASE_ADDR:
 186                 ret = !gpio_get_value(USDHC3_CD_GPIO);
 187                 break;
 188         }
 189
 190         return ret;
 191 }
 192
 193 int board_mmc_init(bd_t *bis)
 194 {
 195 #ifndef CONFIG_SPL_BUILD
 196         int i, ret;
 197
 198         /*
 199          * According to the board_mmc_init() the following map is done:
 200          * (U-boot device node)    (Physical Port)
 201          * mmc0                    USDHC1
 202          * mmc1                    USDHC2
 203          * mmc2                    USDHC3
 204          */
 205         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 206                 switch (i) {
 207                 case 0:
 208                         imx_iomux_v3_setup_multiple_pads(
 209                                 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
 210                         gpio_direction_input(USDHC1_CD_GPIO);
 211                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 212                         break;
 213                 case 1:
 214                         imx_iomux_v3_setup_multiple_pads(
 215                                 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 216                         gpio_direction_input(USDHC2_CD_GPIO);
 217                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 218                         break;
 219                 case 2:
 220                         imx_iomux_v3_setup_multiple_pads(
 221                                 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 222                         gpio_direction_input(USDHC3_CD_GPIO);
 223                         usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 224                         break;
 225                 default:
 226                         printf("Warning: you configured more USDHC controllers"
 227                                 "(%d) than supported by the board\n", i + 1);
 228                         return -EINVAL;
 229                         }
 230
 231                         ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 232                         if (ret) {
 233                                 printf("Warning: failed to initialize "
 234                                         "mmc dev %d\n", i);
 235                                 return ret;
 236                         }
 237         }
 238
 239         return 0;
 240 #else
 241         struct src *src_regs = (struct src *)SRC_BASE_ADDR;
 242         u32 val;
 243         u32 port;
 244
 245         val = readl(&src_regs->sbmr1);
 246
 247         /* Boot from USDHC */
 248         port = (val >> 11) & 0x3;
 249         switch (port) {
 250         case 0:
 251                 imx_iomux_v3_setup_multiple_pads(usdhc1_pads,
 252                                                  ARRAY_SIZE(usdhc1_pads));
 253                 gpio_direction_input(USDHC1_CD_GPIO);
 254                 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
 255                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 256                 break;
 257         case 1:
 258                 imx_iomux_v3_setup_multiple_pads(usdhc2_pads,
 259                                                  ARRAY_SIZE(usdhc2_pads));
 260                 gpio_direction_input(USDHC2_CD_GPIO);
 261                 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
 262                 usdhc_cfg[0].max_bus_width = 4;
 263                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 264                 break;
 265         case 2:
 266                 imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
 267                                                  ARRAY_SIZE(usdhc3_pads));
 268                 gpio_direction_input(USDHC3_CD_GPIO);
 269                 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
 270                 usdhc_cfg[0].max_bus_width = 4;
 271                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 272                 break;
 273         }
 274
 275         gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 276         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 277 #endif
 278 }
 279
 280 #ifdef CONFIG_SYS_I2C_MXC
 281 #define PC      MUX_PAD_CTRL(I2C_PAD_CTRL)
 282 /* I2C1 for PMIC */
 283 struct i2c_pads_info i2c_pad_info1 = {
 284         .sda = {
 285                 .i2c_mode = MX6_PAD_I2C1_SDA__I2C1_SDA | PC,
 286                 .gpio_mode = MX6_PAD_I2C1_SDA__GPIO_3_13 | PC,
 287                 .gp = IMX_GPIO_NR(3, 13),
 288         },
 289         .scl = {
 290                 .i2c_mode = MX6_PAD_I2C1_SCL__I2C1_SCL | PC,
 291                 .gpio_mode = MX6_PAD_I2C1_SCL__GPIO_3_12 | PC,
 292                 .gp = IMX_GPIO_NR(3, 12),
 293         },
 294 };
 295
 296 int power_init_board(void)
 297 {
 298         struct pmic *p;
 299
 300         p = pfuze_common_init(I2C_PMIC);
 301         if (!p)
 302                 return -ENODEV;
 303
 304         return pfuze_mode_init(p, APS_PFM);
 305 }
 306 #endif
 307
 308 #ifdef CONFIG_FEC_MXC
 309 int board_eth_init(bd_t *bis)
 310 {
 311         setup_iomux_fec();
 312
 313         return cpu_eth_init(bis);
 314 }
 315
 316 static int setup_fec(void)
 317 {
 318         struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
 319
 320         /* clear gpr1[14], gpr1[18:17] to select anatop clock */
 321         clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
 322
 323         return enable_fec_anatop_clock(0, ENET_50MHZ);
 324 }
 325 #endif
 326
 327 #ifdef CONFIG_USB_EHCI_MX6
 328 #define USB_OTHERREGS_OFFSET    0x800
 329 #define UCTRL_PWR_POL           (1 << 9)
 330
 331 static iomux_v3_cfg_t const usb_otg_pads[] = {
 332         /* OTG1 */
 333         MX6_PAD_KEY_COL4__USB_USBOTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
 334         MX6_PAD_EPDC_PWRCOM__ANATOP_USBOTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL),
 335         /* OTG2 */
 336         MX6_PAD_KEY_COL5__USB_USBOTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
 337 };
 338
 339 static void setup_usb(void)
 340 {
 341         imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
 342                                          ARRAY_SIZE(usb_otg_pads));
 343 }
 344
 345 int board_usb_phy_mode(int port)
 346 {
 347         if (port == 1)
 348                 return USB_INIT_HOST;
 349         else
 350                 return usb_phy_mode(port);
 351 }
 352
 353 int board_ehci_hcd_init(int port)
 354 {
 355         u32 *usbnc_usb_ctrl;
 356
 357         if (port > 1)
 358                 return -EINVAL;
 359
 360         usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
 361                                  port * 4);
 362
 363         /* Set Power polarity */
 364         setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
 365
 366         return 0;
 367 }
 368 #endif
 369
 370 int board_early_init_f(void)
 371 {
 372         setup_iomux_uart();
 373 #ifdef CONFIG_MXC_SPI
 374         setup_spi();
 375 #endif
 376         return 0;
 377 }
 378
 379 int board_init(void)
 380 {
 381         /* address of boot parameters */
 382         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 383
 384 #ifdef CONFIG_SYS_I2C_MXC
 385         setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 386 #endif
 387
 388 #ifdef  CONFIG_FEC_MXC
 389         setup_fec();
 390 #endif
 391
 392 #ifdef CONFIG_USB_EHCI_MX6
 393         setup_usb();
 394 #endif
 395
 396         return 0;
 397 }
 398
 399 int checkboard(void)
 400 {
 401         puts("Board: MX6SLEVK\n");
 402
 403         return 0;
 404 }
 405
 406 #ifdef CONFIG_SPL_BUILD
 407 #include <spl.h>
 408 #include <libfdt.h>
 409
 410 const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = {
 411         .dram_sdqs0 = 0x00003030,
 412         .dram_sdqs1 = 0x00003030,
 413         .dram_sdqs2 = 0x00003030,
 414         .dram_sdqs3 = 0x00003030,
 415         .dram_dqm0 = 0x00000030,
 416         .dram_dqm1 = 0x00000030,
 417         .dram_dqm2 = 0x00000030,
 418         .dram_dqm3 = 0x00000030,
 419         .dram_cas  = 0x00000030,
 420         .dram_ras  = 0x00000030,
 421         .dram_sdclk_0 = 0x00000028,
 422         .dram_reset = 0x00000030,
 423         .dram_sdba2 = 0x00000000,
 424         .dram_odt0 = 0x00000008,
 425         .dram_odt1 = 0x00000008,
 426 };
 427
 428 const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = {
 429         .grp_b0ds = 0x00000030,
 430         .grp_b1ds = 0x00000030,
 431         .grp_b2ds = 0x00000030,
 432         .grp_b3ds = 0x00000030,
 433         .grp_addds = 0x00000030,
 434         .grp_ctlds = 0x00000030,
 435         .grp_ddrmode_ctl = 0x00020000,
 436         .grp_ddrpke = 0x00000000,
 437         .grp_ddrmode = 0x00020000,
 438         .grp_ddr_type = 0x00080000,
 439 };
 440
 441 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
 442         .p0_mpdgctrl0 =  0x20000000,
 443         .p0_mpdgctrl1 =  0x00000000,
 444         .p0_mprddlctl =  0x4241444a,
 445         .p0_mpwrdlctl =  0x3030312b,
 446         .mpzqlp2ctl = 0x1b4700c7,
 447 };
 448
 449 static struct mx6_lpddr2_cfg mem_ddr = {
 450         .mem_speed = 800,
 451         .density = 4,
 452         .width = 32,
 453         .banks = 8,
 454         .rowaddr = 14,
 455         .coladdr = 10,
 456         .trcd_lp = 2000,
 457         .trppb_lp = 2000,
 458         .trpab_lp = 2250,
 459         .trasmin = 4200,
 460 };
 461
 462 static void ccgr_init(void)
 463 {
 464         struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 465
 466         writel(0xFFFFFFFF, &ccm->CCGR0);
 467         writel(0xFFFFFFFF, &ccm->CCGR1);
 468         writel(0xFFFFFFFF, &ccm->CCGR2);
 469         writel(0xFFFFFFFF, &ccm->CCGR3);
 470         writel(0xFFFFFFFF, &ccm->CCGR4);
 471         writel(0xFFFFFFFF, &ccm->CCGR5);
 472         writel(0xFFFFFFFF, &ccm->CCGR6);
 473
 474         writel(0x00260324, &ccm->cbcmr);
 475 }
 476
 477 static void spl_dram_init(void)
 478 {
 479         struct mx6_ddr_sysinfo sysinfo = {
 480                 .dsize = mem_ddr.width / 32,
 481                 .cs_density = 20,
 482                 .ncs = 2,
 483                 .cs1_mirror = 0,
 484                 .walat = 0,
 485                 .ralat = 2,
 486                 .mif3_mode = 3,
 487                 .bi_on = 1,
 488                 .rtt_wr = 0,        /* LPDDR2 does not need rtt_wr rtt_nom */
 489                 .rtt_nom = 0,
 490                 .sde_to_rst = 0,    /* LPDDR2 does not need this field */
 491                 .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
 492                 .ddr_type = DDR_TYPE_LPDDR2,
 493         };
 494         mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
 495         mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
 496 }
 497
 498 void board_init_f(ulong dummy)
 499 {
 500         /* setup AIPS and disable watchdog */
 501         arch_cpu_init();
 502
 503         ccgr_init();
 504
 505         /* iomux and setup of i2c */
 506         board_early_init_f();
 507
 508         /* setup GP timer */
 509         timer_init();
 510
 511         /* UART clocks enabled and gd valid - init serial console */
 512         preloader_console_init();
 513
 514         /* DDR initialization */
 515         spl_dram_init();
 516
 517         /* Clear the BSS. */
 518         memset(__bss_start, 0, __bss_end - __bss_start);
 519
 520         /* load/boot image from boot device */
 521         board_init_r(NULL, 0);
 522 }
 523 #endif