git.sur5r.net Git - u-boot/blob - board/freescale/mx6sabresd/mx6sabresd.c

   1 /*
   2  * Copyright (C) 2012 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/imx-regs.h>
  11 #include <asm/arch/iomux.h>
  12 #include <asm/arch/mx6-pins.h>
  13 #include <asm/errno.h>
  14 #include <asm/gpio.h>
  15 #include <asm/imx-common/mxc_i2c.h>
  16 #include <asm/imx-common/iomux-v3.h>
  17 #include <asm/imx-common/boot_mode.h>
  18 #include <asm/imx-common/video.h>
  19 #include <mmc.h>
  20 #include <fsl_esdhc.h>
  21 #include <miiphy.h>
  22 #include <netdev.h>
  23 #include <asm/arch/mxc_hdmi.h>
  24 #include <asm/arch/crm_regs.h>
  25 #include <asm/io.h>
  26 #include <asm/arch/sys_proto.h>
  27 #include <i2c.h>
  28 #include <power/pmic.h>
  29 #include <power/pfuze100_pmic.h>
  30 #include "../common/pfuze.h"
  31 #include <asm/arch/mx6-ddr.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_47K_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_PUS_100K_UP |                   \
  44         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
  45
  46 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
  47                       PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  48
  49 #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                    \
  50         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  51         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  52
  53 #define I2C_PMIC        1
  54
  55 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  56
  57 #define DISP0_PWR_EN    IMX_GPIO_NR(1, 21)
  58
  59 int dram_init(void)
  60 {
  61         gd->ram_size = imx_ddr_size();
  62         return 0;
  63 }
  64
  65 static iomux_v3_cfg_t const uart1_pads[] = {
  66         MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  67         MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  68 };
  69
  70 static iomux_v3_cfg_t const enet_pads[] = {
  71         MX6_PAD_ENET_MDIO__ENET_MDIO            | MUX_PAD_CTRL(ENET_PAD_CTRL),
  72         MX6_PAD_ENET_MDC__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
  73         MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  74         MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  75         MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  76         MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  77         MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  78         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
  79         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
  80         MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  81         MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  82         MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  83         MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  84         MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  85         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
  86         /* AR8031 PHY Reset */
  87         MX6_PAD_ENET_CRS_DV__GPIO1_IO25         | MUX_PAD_CTRL(NO_PAD_CTRL),
  88 };
  89
  90 static void setup_iomux_enet(void)
  91 {
  92         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
  93
  94         /* Reset AR8031 PHY */
  95         gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
  96         udelay(500);
  97         gpio_set_value(IMX_GPIO_NR(1, 25), 1);
  98 }
  99
 100 static iomux_v3_cfg_t const usdhc2_pads[] = {
 101         MX6_PAD_SD2_CLK__SD2_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 102         MX6_PAD_SD2_CMD__SD2_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 103         MX6_PAD_SD2_DAT0__SD2_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 104         MX6_PAD_SD2_DAT1__SD2_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 105         MX6_PAD_SD2_DAT2__SD2_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 106         MX6_PAD_SD2_DAT3__SD2_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 107         MX6_PAD_NANDF_D4__SD2_DATA4     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 108         MX6_PAD_NANDF_D5__SD2_DATA5     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 109         MX6_PAD_NANDF_D6__SD2_DATA6     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 110         MX6_PAD_NANDF_D7__SD2_DATA7     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 111         MX6_PAD_NANDF_D2__GPIO2_IO02    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 112 };
 113
 114 static iomux_v3_cfg_t const usdhc3_pads[] = {
 115         MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 116         MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 117         MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 118         MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 119         MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 120         MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 121         MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 122         MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 123         MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 124         MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 125         MX6_PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 126 };
 127
 128 static iomux_v3_cfg_t const usdhc4_pads[] = {
 129         MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 130         MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 131         MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 132         MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 133         MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 134         MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 135         MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 136         MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 137         MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 138         MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 139 };
 140
 141 static iomux_v3_cfg_t const ecspi1_pads[] = {
 142         MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 143         MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
 144         MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
 145         MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
 146 };
 147
 148 static iomux_v3_cfg_t const rgb_pads[] = {
 149         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
 150         MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
 151         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
 152         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
 153         MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
 154         MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
 155         MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
 156         MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
 157         MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
 158         MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
 159         MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
 160         MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
 161         MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
 162         MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
 163         MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
 164         MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
 165         MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
 166         MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
 167         MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
 168         MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
 169         MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
 170         MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
 171         MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
 172         MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
 173         MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
 174         MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
 175         MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
 176         MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 177         MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
 178         MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
 179 };
 180
 181 static void enable_rgb(struct display_info_t const *dev)
 182 {
 183         imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
 184         gpio_direction_output(DISP0_PWR_EN, 1);
 185 }
 186
 187 static struct i2c_pads_info i2c_pad_info1 = {
 188         .scl = {
 189                 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
 190                 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
 191                 .gp = IMX_GPIO_NR(4, 12)
 192         },
 193         .sda = {
 194                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
 195                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
 196                 .gp = IMX_GPIO_NR(4, 13)
 197         }
 198 };
 199
 200 static void setup_spi(void)
 201 {
 202         imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 203 }
 204
 205 iomux_v3_cfg_t const pcie_pads[] = {
 206         MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* POWER */
 207         MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* RESET */
 208 };
 209
 210 static void setup_pcie(void)
 211 {
 212         imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
 213 }
 214
 215 iomux_v3_cfg_t const di0_pads[] = {
 216         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,        /* DISP0_CLK */
 217         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,               /* DISP0_HSYNC */
 218         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,               /* DISP0_VSYNC */
 219 };
 220
 221 static void setup_iomux_uart(void)
 222 {
 223         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 224 }
 225
 226 #ifdef CONFIG_FSL_ESDHC
 227 struct fsl_esdhc_cfg usdhc_cfg[3] = {
 228         {USDHC2_BASE_ADDR},
 229         {USDHC3_BASE_ADDR},
 230         {USDHC4_BASE_ADDR},
 231 };
 232
 233 #define USDHC2_CD_GPIO  IMX_GPIO_NR(2, 2)
 234 #define USDHC3_CD_GPIO  IMX_GPIO_NR(2, 0)
 235
 236 int board_mmc_getcd(struct mmc *mmc)
 237 {
 238         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 239         int ret = 0;
 240
 241         switch (cfg->esdhc_base) {
 242         case USDHC2_BASE_ADDR:
 243                 ret = !gpio_get_value(USDHC2_CD_GPIO);
 244                 break;
 245         case USDHC3_BASE_ADDR:
 246                 ret = !gpio_get_value(USDHC3_CD_GPIO);
 247                 break;
 248         case USDHC4_BASE_ADDR:
 249                 ret = 1; /* eMMC/uSDHC4 is always present */
 250                 break;
 251         }
 252
 253         return ret;
 254 }
 255
 256 int board_mmc_init(bd_t *bis)
 257 {
 258 #ifndef CONFIG_SPL_BUILD
 259         int ret;
 260         int i;
 261
 262         /*
 263          * According to the board_mmc_init() the following map is done:
 264          * (U-boot device node)    (Physical Port)
 265          * mmc0                    SD2
 266          * mmc1                    SD3
 267          * mmc2                    eMMC
 268          */
 269         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 270                 switch (i) {
 271                 case 0:
 272                         imx_iomux_v3_setup_multiple_pads(
 273                                 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 274                         gpio_direction_input(USDHC2_CD_GPIO);
 275                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 276                         break;
 277                 case 1:
 278                         imx_iomux_v3_setup_multiple_pads(
 279                                 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 280                         gpio_direction_input(USDHC3_CD_GPIO);
 281                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 282                         break;
 283                 case 2:
 284                         imx_iomux_v3_setup_multiple_pads(
 285                                 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 286                         usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 287                         break;
 288                 default:
 289                         printf("Warning: you configured more USDHC controllers"
 290                                "(%d) then supported by the board (%d)\n",
 291                                i + 1, CONFIG_SYS_FSL_USDHC_NUM);
 292                         return -EINVAL;
 293                 }
 294
 295                 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 296                 if (ret)
 297                         return ret;
 298         }
 299
 300         return 0;
 301 #else
 302         struct src *psrc = (struct src *)SRC_BASE_ADDR;
 303         unsigned reg = readl(&psrc->sbmr1) >> 11;
 304         /*
 305          * Upon reading BOOT_CFG register the following map is done:
 306          * Bit 11 and 12 of BOOT_CFG register can determine the current
 307          * mmc port
 308          * 0x1                  SD1
 309          * 0x2                  SD2
 310          * 0x3                  SD4
 311          */
 312
 313         switch (reg & 0x3) {
 314         case 0x1:
 315                 imx_iomux_v3_setup_multiple_pads(
 316                         usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 317                 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
 318                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 319                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 320                 break;
 321         case 0x2:
 322                 imx_iomux_v3_setup_multiple_pads(
 323                         usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 324                 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
 325                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 326                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 327                 break;
 328         case 0x3:
 329                 imx_iomux_v3_setup_multiple_pads(
 330                         usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 331                 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
 332                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 333                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 334                 break;
 335         }
 336
 337         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 338 #endif
 339 }
 340 #endif
 341
 342 int mx6_rgmii_rework(struct phy_device *phydev)
 343 {
 344         unsigned short val;
 345
 346         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
 347         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 348         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 349         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 350
 351         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 352         val &= 0xffe3;
 353         val |= 0x18;
 354         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 355
 356         /* introduce tx clock delay */
 357         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 358         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 359         val |= 0x0100;
 360         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
 361
 362         return 0;
 363 }
 364
 365 int board_phy_config(struct phy_device *phydev)
 366 {
 367         mx6_rgmii_rework(phydev);
 368
 369         if (phydev->drv->config)
 370                 phydev->drv->config(phydev);
 371
 372         return 0;
 373 }
 374
 375 #if defined(CONFIG_VIDEO_IPUV3)
 376 static void disable_lvds(struct display_info_t const *dev)
 377 {
 378         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 379
 380         int reg = readl(&iomux->gpr[2]);
 381
 382         reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
 383                  IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
 384
 385         writel(reg, &iomux->gpr[2]);
 386 }
 387
 388 static void do_enable_hdmi(struct display_info_t const *dev)
 389 {
 390         disable_lvds(dev);
 391         imx_enable_hdmi_phy();
 392 }
 393
 394 static void enable_lvds(struct display_info_t const *dev)
 395 {
 396         struct iomuxc *iomux = (struct iomuxc *)
 397                                 IOMUXC_BASE_ADDR;
 398         u32 reg = readl(&iomux->gpr[2]);
 399         reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
 400                IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
 401         writel(reg, &iomux->gpr[2]);
 402 }
 403
 404 struct display_info_t const displays[] = {{
 405         .bus    = -1,
 406         .addr   = 0,
 407         .pixfmt = IPU_PIX_FMT_RGB666,
 408         .detect = NULL,
 409         .enable = enable_lvds,
 410         .mode   = {
 411                 .name           = "Hannstar-XGA",
 412                 .refresh        = 60,
 413                 .xres           = 1024,
 414                 .yres           = 768,
 415                 .pixclock       = 15385,
 416                 .left_margin    = 220,
 417                 .right_margin   = 40,
 418                 .upper_margin   = 21,
 419                 .lower_margin   = 7,
 420                 .hsync_len      = 60,
 421                 .vsync_len      = 10,
 422                 .sync           = FB_SYNC_EXT,
 423                 .vmode          = FB_VMODE_NONINTERLACED
 424 } }, {
 425         .bus    = -1,
 426         .addr   = 0,
 427         .pixfmt = IPU_PIX_FMT_RGB24,
 428         .detect = detect_hdmi,
 429         .enable = do_enable_hdmi,
 430         .mode   = {
 431                 .name           = "HDMI",
 432                 .refresh        = 60,
 433                 .xres           = 1024,
 434                 .yres           = 768,
 435                 .pixclock       = 15385,
 436                 .left_margin    = 220,
 437                 .right_margin   = 40,
 438                 .upper_margin   = 21,
 439                 .lower_margin   = 7,
 440                 .hsync_len      = 60,
 441                 .vsync_len      = 10,
 442                 .sync           = FB_SYNC_EXT,
 443                 .vmode          = FB_VMODE_NONINTERLACED
 444 } }, {
 445         .bus    = 0,
 446         .addr   = 0,
 447         .pixfmt = IPU_PIX_FMT_RGB24,
 448         .detect = NULL,
 449         .enable = enable_rgb,
 450         .mode   = {
 451                 .name           = "SEIKO-WVGA",
 452                 .refresh        = 60,
 453                 .xres           = 800,
 454                 .yres           = 480,
 455                 .pixclock       = 29850,
 456                 .left_margin    = 89,
 457                 .right_margin   = 164,
 458                 .upper_margin   = 23,
 459                 .lower_margin   = 10,
 460                 .hsync_len      = 10,
 461                 .vsync_len      = 10,
 462                 .sync           = 0,
 463                 .vmode          = FB_VMODE_NONINTERLACED
 464 } } };
 465 size_t display_count = ARRAY_SIZE(displays);
 466
 467 static void setup_display(void)
 468 {
 469         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 470         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 471         int reg;
 472
 473         /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
 474         imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
 475
 476         enable_ipu_clock();
 477         imx_setup_hdmi();
 478
 479         /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
 480         reg = readl(&mxc_ccm->CCGR3);
 481         reg |=  MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
 482         writel(reg, &mxc_ccm->CCGR3);
 483
 484         /* set LDB0, LDB1 clk select to 011/011 */
 485         reg = readl(&mxc_ccm->cs2cdr);
 486         reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
 487                  | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
 488         reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
 489               | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
 490         writel(reg, &mxc_ccm->cs2cdr);
 491
 492         reg = readl(&mxc_ccm->cscmr2);
 493         reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
 494         writel(reg, &mxc_ccm->cscmr2);
 495
 496         reg = readl(&mxc_ccm->chsccdr);
 497         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 498                 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
 499         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 500                 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
 501         writel(reg, &mxc_ccm->chsccdr);
 502
 503         reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
 504              | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
 505              | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
 506              | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
 507              | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
 508              | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
 509              | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
 510              | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
 511              | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
 512         writel(reg, &iomux->gpr[2]);
 513
 514         reg = readl(&iomux->gpr[3]);
 515         reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
 516                         | IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
 517             | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
 518                << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
 519         writel(reg, &iomux->gpr[3]);
 520 }
 521 #endif /* CONFIG_VIDEO_IPUV3 */
 522
 523 /*
 524  * Do not overwrite the console
 525  * Use always serial for U-Boot console
 526  */
 527 int overwrite_console(void)
 528 {
 529         return 1;
 530 }
 531
 532 int board_eth_init(bd_t *bis)
 533 {
 534         setup_iomux_enet();
 535         setup_pcie();
 536
 537         return cpu_eth_init(bis);
 538 }
 539
 540 int board_early_init_f(void)
 541 {
 542         setup_iomux_uart();
 543 #if defined(CONFIG_VIDEO_IPUV3)
 544         setup_display();
 545 #endif
 546
 547         return 0;
 548 }
 549
 550 int board_init(void)
 551 {
 552         /* address of boot parameters */
 553         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 554
 555 #ifdef CONFIG_MXC_SPI
 556         setup_spi();
 557 #endif
 558         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 559
 560         return 0;
 561 }
 562
 563 int power_init_board(void)
 564 {
 565         struct pmic *p;
 566         unsigned int reg;
 567
 568         p = pfuze_common_init(I2C_PMIC);
 569         if (!p)
 570                 return -ENODEV;
 571
 572         /* Increase VGEN3 from 2.5 to 2.8V */
 573         pmic_reg_read(p, PFUZE100_VGEN3VOL, &reg);
 574         reg &= ~LDO_VOL_MASK;
 575         reg |= LDOB_2_80V;
 576         pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
 577
 578         /* Increase VGEN5 from 2.8 to 3V */
 579         pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
 580         reg &= ~LDO_VOL_MASK;
 581         reg |= LDOB_3_00V;
 582         pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
 583
 584         return 0;
 585 }
 586
 587 #ifdef CONFIG_MXC_SPI
 588 int board_spi_cs_gpio(unsigned bus, unsigned cs)
 589 {
 590         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
 591 }
 592 #endif
 593
 594 #ifdef CONFIG_CMD_BMODE
 595 static const struct boot_mode board_boot_modes[] = {
 596         /* 4 bit bus width */
 597         {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 598         {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
 599         /* 8 bit bus width */
 600         {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
 601         {NULL,   0},
 602 };
 603 #endif
 604
 605 int board_late_init(void)
 606 {
 607 #ifdef CONFIG_CMD_BMODE
 608         add_board_boot_modes(board_boot_modes);
 609 #endif
 610         return 0;
 611 }
 612
 613 int checkboard(void)
 614 {
 615         puts("Board: MX6-SabreSD\n");
 616         return 0;
 617 }
 618
 619 #ifdef CONFIG_SPL_BUILD
 620 #include <spl.h>
 621 #include <libfdt.h>
 622
 623 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
 624         .dram_sdclk_0 =  0x00020030,
 625         .dram_sdclk_1 =  0x00020030,
 626         .dram_cas =  0x00020030,
 627         .dram_ras =  0x00020030,
 628         .dram_reset =  0x00020030,
 629         .dram_sdcke0 =  0x00003000,
 630         .dram_sdcke1 =  0x00003000,
 631         .dram_sdba2 =  0x00000000,
 632         .dram_sdodt0 =  0x00003030,
 633         .dram_sdodt1 =  0x00003030,
 634         .dram_sdqs0 =  0x00000030,
 635         .dram_sdqs1 =  0x00000030,
 636         .dram_sdqs2 =  0x00000030,
 637         .dram_sdqs3 =  0x00000030,
 638         .dram_sdqs4 =  0x00000030,
 639         .dram_sdqs5 =  0x00000030,
 640         .dram_sdqs6 =  0x00000030,
 641         .dram_sdqs7 =  0x00000030,
 642         .dram_dqm0 =  0x00020030,
 643         .dram_dqm1 =  0x00020030,
 644         .dram_dqm2 =  0x00020030,
 645         .dram_dqm3 =  0x00020030,
 646         .dram_dqm4 =  0x00020030,
 647         .dram_dqm5 =  0x00020030,
 648         .dram_dqm6 =  0x00020030,
 649         .dram_dqm7 =  0x00020030,
 650 };
 651
 652 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
 653         .grp_ddr_type =  0x000C0000,
 654         .grp_ddrmode_ctl =  0x00020000,
 655         .grp_ddrpke =  0x00000000,
 656         .grp_addds =  0x00000030,
 657         .grp_ctlds =  0x00000030,
 658         .grp_ddrmode =  0x00020000,
 659         .grp_b0ds =  0x00000030,
 660         .grp_b1ds =  0x00000030,
 661         .grp_b2ds =  0x00000030,
 662         .grp_b3ds =  0x00000030,
 663         .grp_b4ds =  0x00000030,
 664         .grp_b5ds =  0x00000030,
 665         .grp_b6ds =  0x00000030,
 666         .grp_b7ds =  0x00000030,
 667 };
 668
 669 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
 670         .p0_mpwldectrl0 =  0x001F001F,
 671         .p0_mpwldectrl1 =  0x001F001F,
 672         .p1_mpwldectrl0 =  0x00440044,
 673         .p1_mpwldectrl1 =  0x00440044,
 674         .p0_mpdgctrl0 =  0x434B0350,
 675         .p0_mpdgctrl1 =  0x034C0359,
 676         .p1_mpdgctrl0 =  0x434B0350,
 677         .p1_mpdgctrl1 =  0x03650348,
 678         .p0_mprddlctl =  0x4436383B,
 679         .p1_mprddlctl =  0x39393341,
 680         .p0_mpwrdlctl =  0x35373933,
 681         .p1_mpwrdlctl =  0x48254A36,
 682 };
 683
 684 static struct mx6_ddr3_cfg mem_ddr = {
 685         .mem_speed = 1600,
 686         .density = 4,
 687         .width = 64,
 688         .banks = 8,
 689         .rowaddr = 14,
 690         .coladdr = 10,
 691         .pagesz = 2,
 692         .trcd = 1375,
 693         .trcmin = 4875,
 694         .trasmin = 3500,
 695 };
 696
 697 static void ccgr_init(void)
 698 {
 699         struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 700
 701         writel(0x00C03F3F, &ccm->CCGR0);
 702         writel(0x0030FC03, &ccm->CCGR1);
 703         writel(0x0FFFC000, &ccm->CCGR2);
 704         writel(0x3FF00000, &ccm->CCGR3);
 705         writel(0x00FFF300, &ccm->CCGR4);
 706         writel(0x0F0000C3, &ccm->CCGR5);
 707         writel(0x000003FF, &ccm->CCGR6);
 708 }
 709
 710 static void gpr_init(void)
 711 {
 712         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 713
 714         /* enable AXI cache for VDOA/VPU/IPU */
 715         writel(0xF00000CF, &iomux->gpr[4]);
 716         /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
 717         writel(0x007F007F, &iomux->gpr[6]);
 718         writel(0x007F007F, &iomux->gpr[7]);
 719 }
 720
 721 /*
 722  * This section requires the differentiation between iMX6 Sabre boards, but
 723  * for now, it will configure only for the mx6q variant.
 724  */
 725 static void spl_dram_init(void)
 726 {
 727         struct mx6_ddr_sysinfo sysinfo = {
 728                 /* width of data bus:0=16,1=32,2=64 */
 729                 .dsize = mem_ddr.width/32,
 730                 /* config for full 4GB range so that get_mem_size() works */
 731                 .cs_density = 32, /* 32Gb per CS */
 732                 /* single chip select */
 733                 .ncs = 1,
 734                 .cs1_mirror = 0,
 735                 .rtt_wr = 1 /*DDR3_RTT_60_OHM*/,        /* RTT_Wr = RZQ/4 */
 736 #ifdef RTT_NOM_120OHM
 737                 .rtt_nom = 2 /*DDR3_RTT_120_OHM*/,      /* RTT_Nom = RZQ/2 */
 738 #else
 739                 .rtt_nom = 1 /*DDR3_RTT_60_OHM*/,       /* RTT_Nom = RZQ/4 */
 740 #endif
 741                 .walat = 1,     /* Write additional latency */
 742                 .ralat = 5,     /* Read additional latency */
 743                 .mif3_mode = 3, /* Command prediction working mode */
 744                 .bi_on = 1,     /* Bank interleaving enabled */
 745                 .sde_to_rst = 0x10,     /* 14 cycles, 200us (JEDEC default) */
 746                 .rst_to_cke = 0x23,     /* 33 cycles, 500us (JEDEC default) */
 747         };
 748
 749         mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
 750         mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
 751 }
 752
 753 void board_init_f(ulong dummy)
 754 {
 755         /* setup AIPS and disable watchdog */
 756         arch_cpu_init();
 757
 758         ccgr_init();
 759         gpr_init();
 760
 761         /* iomux and setup of i2c */
 762         board_early_init_f();
 763
 764         /* setup GP timer */
 765         timer_init();
 766
 767         /* UART clocks enabled and gd valid - init serial console */
 768         preloader_console_init();
 769
 770         /* DDR initialization */
 771         spl_dram_init();
 772
 773         /* Clear the BSS. */
 774         memset(__bss_start, 0, __bss_end - __bss_start);
 775
 776         /* load/boot image from boot device */
 777         board_init_r(NULL, 0);
 778 }
 779
 780 void reset_cpu(ulong addr)
 781 {
 782 }
 783 #endif