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 <asm/arch/mx6-ddr.h>
  31
  32 DECLARE_GLOBAL_DATA_PTR;
  33
  34 #define BOOT_CFG        0x020D8004
  35
  36 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  37         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  38         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  39
  40 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
  41         PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  42         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  43
  44 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  45         PAD_CTL_SPEED_MED | 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_PUS_100K_UP |                    \
  51         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  52         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  53
  54 #define I2C_PMIC        1
  55
  56 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  57
  58 #define DISP0_PWR_EN    IMX_GPIO_NR(1, 21)
  59
  60 int dram_init(void)
  61 {
  62         gd->ram_size = imx_ddr_size();
  63         return 0;
  64 }
  65
  66 iomux_v3_cfg_t const uart1_pads[] = {
  67         MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  68         MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  69 };
  70
  71 iomux_v3_cfg_t const enet_pads[] = {
  72         MX6_PAD_ENET_MDIO__ENET_MDIO            | MUX_PAD_CTRL(ENET_PAD_CTRL),
  73         MX6_PAD_ENET_MDC__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
  74         MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  75         MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  76         MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  77         MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  78         MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  79         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
  80         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
  81         MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  82         MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  83         MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  84         MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  85         MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
  86         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
  87         /* AR8031 PHY Reset */
  88         MX6_PAD_ENET_CRS_DV__GPIO1_IO25         | MUX_PAD_CTRL(NO_PAD_CTRL),
  89 };
  90
  91 static void setup_iomux_enet(void)
  92 {
  93         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
  94
  95         /* Reset AR8031 PHY */
  96         gpio_direction_output(IMX_GPIO_NR(1, 25) , 0);
  97         udelay(500);
  98         gpio_set_value(IMX_GPIO_NR(1, 25), 1);
  99 }
 100
 101 iomux_v3_cfg_t const usdhc2_pads[] = {
 102         MX6_PAD_SD2_CLK__SD2_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 103         MX6_PAD_SD2_CMD__SD2_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 104         MX6_PAD_SD2_DAT0__SD2_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 105         MX6_PAD_SD2_DAT1__SD2_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 106         MX6_PAD_SD2_DAT2__SD2_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 107         MX6_PAD_SD2_DAT3__SD2_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 108         MX6_PAD_NANDF_D4__SD2_DATA4     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 109         MX6_PAD_NANDF_D5__SD2_DATA5     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 110         MX6_PAD_NANDF_D6__SD2_DATA6     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 111         MX6_PAD_NANDF_D7__SD2_DATA7     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 112         MX6_PAD_NANDF_D2__GPIO2_IO02    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 113 };
 114
 115 iomux_v3_cfg_t const usdhc3_pads[] = {
 116         MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 117         MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 118         MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 119         MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 120         MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 121         MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 122         MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 123         MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 124         MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 125         MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 126         MX6_PAD_NANDF_D0__GPIO2_IO00    | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 127 };
 128
 129 iomux_v3_cfg_t const usdhc4_pads[] = {
 130         MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 131         MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 132         MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 133         MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 134         MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 135         MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 136         MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 137         MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 138         MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 139         MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 140 };
 141
 142 iomux_v3_cfg_t const ecspi1_pads[] = {
 143         MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 144         MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
 145         MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
 146         MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
 147 };
 148
 149 static iomux_v3_cfg_t const rgb_pads[] = {
 150         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
 151         MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL),
 152         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL),
 153         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL),
 154         MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL),
 155         MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL),
 156         MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL),
 157         MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL),
 158         MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL),
 159         MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL),
 160         MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL),
 161         MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL),
 162         MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL),
 163         MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL),
 164         MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL),
 165         MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL),
 166         MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL),
 167         MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL),
 168         MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL),
 169         MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL),
 170         MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL),
 171         MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL),
 172         MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL),
 173         MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL),
 174         MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL),
 175         MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL),
 176         MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL),
 177         MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 178         MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL),
 179         MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL),
 180 };
 181
 182 static void enable_rgb(struct display_info_t const *dev)
 183 {
 184         imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
 185         gpio_direction_output(DISP0_PWR_EN, 1);
 186 }
 187
 188 static struct i2c_pads_info i2c_pad_info1 = {
 189         .scl = {
 190                 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
 191                 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
 192                 .gp = IMX_GPIO_NR(4, 12)
 193         },
 194         .sda = {
 195                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
 196                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
 197                 .gp = IMX_GPIO_NR(4, 13)
 198         }
 199 };
 200
 201 static void setup_spi(void)
 202 {
 203         imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 204 }
 205
 206 iomux_v3_cfg_t const pcie_pads[] = {
 207         MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* POWER */
 208         MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),        /* RESET */
 209 };
 210
 211 static void setup_pcie(void)
 212 {
 213         imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
 214 }
 215
 216 iomux_v3_cfg_t const di0_pads[] = {
 217         MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,        /* DISP0_CLK */
 218         MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,               /* DISP0_HSYNC */
 219         MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,               /* DISP0_VSYNC */
 220 };
 221
 222 static void setup_iomux_uart(void)
 223 {
 224         imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 225 }
 226
 227 #ifdef CONFIG_FSL_ESDHC
 228 struct fsl_esdhc_cfg usdhc_cfg[3] = {
 229         {USDHC2_BASE_ADDR},
 230         {USDHC3_BASE_ADDR},
 231         {USDHC4_BASE_ADDR},
 232 };
 233
 234 #define USDHC2_CD_GPIO  IMX_GPIO_NR(2, 2)
 235 #define USDHC3_CD_GPIO  IMX_GPIO_NR(2, 0)
 236
 237 int board_mmc_getcd(struct mmc *mmc)
 238 {
 239         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 240         int ret = 0;
 241
 242         switch (cfg->esdhc_base) {
 243         case USDHC2_BASE_ADDR:
 244                 ret = !gpio_get_value(USDHC2_CD_GPIO);
 245                 break;
 246         case USDHC3_BASE_ADDR:
 247                 ret = !gpio_get_value(USDHC3_CD_GPIO);
 248                 break;
 249         case USDHC4_BASE_ADDR:
 250                 ret = 1; /* eMMC/uSDHC4 is always present */
 251                 break;
 252         }
 253
 254         return ret;
 255 }
 256
 257 int board_mmc_init(bd_t *bis)
 258 {
 259 #ifndef CONFIG_SPL_BUILD
 260         s32 status = 0;
 261         int i;
 262
 263         /*
 264          * According to the board_mmc_init() the following map is done:
 265          * (U-boot device node)    (Physical Port)
 266          * mmc0                    SD2
 267          * mmc1                    SD3
 268          * mmc2                    eMMC
 269          */
 270         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 271                 switch (i) {
 272                 case 0:
 273                         imx_iomux_v3_setup_multiple_pads(
 274                                 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 275                         gpio_direction_input(USDHC2_CD_GPIO);
 276                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 277                         break;
 278                 case 1:
 279                         imx_iomux_v3_setup_multiple_pads(
 280                                 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 281                         gpio_direction_input(USDHC3_CD_GPIO);
 282                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 283                         break;
 284                 case 2:
 285                         imx_iomux_v3_setup_multiple_pads(
 286                                 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 287                         usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 288                         break;
 289                 default:
 290                         printf("Warning: you configured more USDHC controllers"
 291                                "(%d) then supported by the board (%d)\n",
 292                                i + 1, CONFIG_SYS_FSL_USDHC_NUM);
 293                         return status;
 294                 }
 295
 296                 status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 297         }
 298
 299         return status;
 300 #else
 301         unsigned reg = readl(BOOT_CFG) >> 11;
 302         /*
 303          * Upon reading BOOT_CFG register the following map is done:
 304          * Bit 11 and 12 of BOOT_CFG register can determine the current
 305          * mmc port
 306          * 0x1                  SD1
 307          * 0x2                  SD2
 308          * 0x3                  SD4
 309          */
 310
 311         switch (reg & 0x3) {
 312         case 0x1:
 313                 imx_iomux_v3_setup_multiple_pads(
 314                         usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 315                 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
 316                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 317                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 318                 break;
 319         case 0x2:
 320                 imx_iomux_v3_setup_multiple_pads(
 321                         usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 322                 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
 323                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 324                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 325                 break;
 326         case 0x3:
 327                 imx_iomux_v3_setup_multiple_pads(
 328                         usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 329                 usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
 330                 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 331                 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 332                 break;
 333         }
 334
 335         return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 336 #endif
 337 }
 338 #endif
 339
 340 int mx6_rgmii_rework(struct phy_device *phydev)
 341 {
 342         unsigned short val;
 343
 344         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
 345         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 346         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 347         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 348
 349         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 350         val &= 0xffe3;
 351         val |= 0x18;
 352         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 353
 354         /* introduce tx clock delay */
 355         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 356         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 357         val |= 0x0100;
 358         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
 359
 360         return 0;
 361 }
 362
 363 int board_phy_config(struct phy_device *phydev)
 364 {
 365         mx6_rgmii_rework(phydev);
 366
 367         if (phydev->drv->config)
 368                 phydev->drv->config(phydev);
 369
 370         return 0;
 371 }
 372
 373 #if defined(CONFIG_VIDEO_IPUV3)
 374 static void disable_lvds(struct display_info_t const *dev)
 375 {
 376         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 377
 378         int reg = readl(&iomux->gpr[2]);
 379
 380         reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
 381                  IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
 382
 383         writel(reg, &iomux->gpr[2]);
 384 }
 385
 386 static void do_enable_hdmi(struct display_info_t const *dev)
 387 {
 388         disable_lvds(dev);
 389         imx_enable_hdmi_phy();
 390 }
 391
 392 static void enable_lvds(struct display_info_t const *dev)
 393 {
 394         struct iomuxc *iomux = (struct iomuxc *)
 395                                 IOMUXC_BASE_ADDR;
 396         u32 reg = readl(&iomux->gpr[2]);
 397         reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
 398                IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT;
 399         writel(reg, &iomux->gpr[2]);
 400 }
 401
 402 struct display_info_t const displays[] = {{
 403         .bus    = -1,
 404         .addr   = 0,
 405         .pixfmt = IPU_PIX_FMT_RGB666,
 406         .detect = NULL,
 407         .enable = enable_lvds,
 408         .mode   = {
 409                 .name           = "Hannstar-XGA",
 410                 .refresh        = 60,
 411                 .xres           = 1024,
 412                 .yres           = 768,
 413                 .pixclock       = 15385,
 414                 .left_margin    = 220,
 415                 .right_margin   = 40,
 416                 .upper_margin   = 21,
 417                 .lower_margin   = 7,
 418                 .hsync_len      = 60,
 419                 .vsync_len      = 10,
 420                 .sync           = FB_SYNC_EXT,
 421                 .vmode          = FB_VMODE_NONINTERLACED
 422 } }, {
 423         .bus    = -1,
 424         .addr   = 0,
 425         .pixfmt = IPU_PIX_FMT_RGB24,
 426         .detect = detect_hdmi,
 427         .enable = do_enable_hdmi,
 428         .mode   = {
 429                 .name           = "HDMI",
 430                 .refresh        = 60,
 431                 .xres           = 1024,
 432                 .yres           = 768,
 433                 .pixclock       = 15385,
 434                 .left_margin    = 220,
 435                 .right_margin   = 40,
 436                 .upper_margin   = 21,
 437                 .lower_margin   = 7,
 438                 .hsync_len      = 60,
 439                 .vsync_len      = 10,
 440                 .sync           = FB_SYNC_EXT,
 441                 .vmode          = FB_VMODE_NONINTERLACED
 442 } }, {
 443         .bus    = 0,
 444         .addr   = 0,
 445         .pixfmt = IPU_PIX_FMT_RGB24,
 446         .detect = NULL,
 447         .enable = enable_rgb,
 448         .mode   = {
 449                 .name           = "SEIKO-WVGA",
 450                 .refresh        = 60,
 451                 .xres           = 800,
 452                 .yres           = 480,
 453                 .pixclock       = 29850,
 454                 .left_margin    = 89,
 455                 .right_margin   = 164,
 456                 .upper_margin   = 23,
 457                 .lower_margin   = 10,
 458                 .hsync_len      = 10,
 459                 .vsync_len      = 10,
 460                 .sync           = 0,
 461                 .vmode          = FB_VMODE_NONINTERLACED
 462 } } };
 463 size_t display_count = ARRAY_SIZE(displays);
 464
 465 static void setup_display(void)
 466 {
 467         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 468         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 469         int reg;
 470
 471         /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */
 472         imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads));
 473
 474         enable_ipu_clock();
 475         imx_setup_hdmi();
 476
 477         /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
 478         reg = readl(&mxc_ccm->CCGR3);
 479         reg |=  MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK;
 480         writel(reg, &mxc_ccm->CCGR3);
 481
 482         /* set LDB0, LDB1 clk select to 011/011 */
 483         reg = readl(&mxc_ccm->cs2cdr);
 484         reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
 485                  | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
 486         reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
 487               | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
 488         writel(reg, &mxc_ccm->cs2cdr);
 489
 490         reg = readl(&mxc_ccm->cscmr2);
 491         reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV;
 492         writel(reg, &mxc_ccm->cscmr2);
 493
 494         reg = readl(&mxc_ccm->chsccdr);
 495         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 496                 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
 497         reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 498                 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
 499         writel(reg, &mxc_ccm->chsccdr);
 500
 501         reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
 502              | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
 503              | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
 504              | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
 505              | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
 506              | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
 507              | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
 508              | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
 509              | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
 510         writel(reg, &iomux->gpr[2]);
 511
 512         reg = readl(&iomux->gpr[3]);
 513         reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK
 514                         | IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
 515             | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
 516                << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
 517         writel(reg, &iomux->gpr[3]);
 518 }
 519 #endif /* CONFIG_VIDEO_IPUV3 */
 520
 521 /*
 522  * Do not overwrite the console
 523  * Use always serial for U-Boot console
 524  */
 525 int overwrite_console(void)
 526 {
 527         return 1;
 528 }
 529
 530 int board_eth_init(bd_t *bis)
 531 {
 532         setup_iomux_enet();
 533         setup_pcie();
 534
 535         return cpu_eth_init(bis);
 536 }
 537
 538 int board_early_init_f(void)
 539 {
 540         setup_iomux_uart();
 541 #if defined(CONFIG_VIDEO_IPUV3)
 542         setup_display();
 543 #endif
 544
 545         return 0;
 546 }
 547
 548 int board_init(void)
 549 {
 550         /* address of boot parameters */
 551         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 552
 553 #ifdef CONFIG_MXC_SPI
 554         setup_spi();
 555 #endif
 556         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 557
 558         return 0;
 559 }
 560
 561 static int pfuze_init(void)
 562 {
 563         struct pmic *p;
 564         int ret;
 565         unsigned int reg;
 566
 567         ret = power_pfuze100_init(I2C_PMIC);
 568         if (ret)
 569                 return ret;
 570
 571         p = pmic_get("PFUZE100");
 572         ret = pmic_probe(p);
 573         if (ret)
 574                 return ret;
 575
 576         pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
 577         printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
 578
 579         /* Increase VGEN3 from 2.5 to 2.8V */
 580         pmic_reg_read(p, PFUZE100_VGEN3VOL, &reg);
 581         reg &= ~0xf;
 582         reg |= 0xa;
 583         pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
 584
 585         /* Increase VGEN5 from 2.8 to 3V */
 586         pmic_reg_read(p, PFUZE100_VGEN5VOL, &reg);
 587         reg &= ~0xf;
 588         reg |= 0xc;
 589         pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
 590
 591         /* Set SW1AB stanby volage to 0.975V */
 592         pmic_reg_read(p, PFUZE100_SW1ABSTBY, &reg);
 593         reg &= ~0x3f;
 594         reg |= 0x1b;
 595         pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg);
 596
 597         /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
 598         pmic_reg_read(p, PUZE_100_SW1ABCONF, &reg);
 599         reg &= ~0xc0;
 600         reg |= 0x40;
 601         pmic_reg_write(p, PUZE_100_SW1ABCONF, reg);
 602
 603         /* Set SW1C standby voltage to 0.975V */
 604         pmic_reg_read(p, PFUZE100_SW1CSTBY, &reg);
 605         reg &= ~0x3f;
 606         reg |= 0x1b;
 607         pmic_reg_write(p, PFUZE100_SW1CSTBY, reg);
 608
 609         /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */
 610         pmic_reg_read(p, PFUZE100_SW1CCONF, &reg);
 611         reg &= ~0xc0;
 612         reg |= 0x40;
 613         pmic_reg_write(p, PFUZE100_SW1CCONF, reg);
 614
 615         return 0;
 616 }
 617
 618 #ifdef CONFIG_MXC_SPI
 619 int board_spi_cs_gpio(unsigned bus, unsigned cs)
 620 {
 621         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
 622 }
 623 #endif
 624
 625 #ifdef CONFIG_CMD_BMODE
 626 static const struct boot_mode board_boot_modes[] = {
 627         /* 4 bit bus width */
 628         {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 629         {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
 630         /* 8 bit bus width */
 631         {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
 632         {NULL,   0},
 633 };
 634 #endif
 635
 636 int board_late_init(void)
 637 {
 638 #ifdef CONFIG_CMD_BMODE
 639         add_board_boot_modes(board_boot_modes);
 640 #endif
 641         pfuze_init();
 642
 643         return 0;
 644 }
 645
 646 int checkboard(void)
 647 {
 648         puts("Board: MX6-SabreSD\n");
 649         return 0;
 650 }
 651
 652 #ifdef CONFIG_SPL_BUILD
 653 #include <spl.h>
 654 #include <libfdt.h>
 655
 656 const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
 657         .dram_sdclk_0 =  0x00020030,
 658         .dram_sdclk_1 =  0x00020030,
 659         .dram_cas =  0x00020030,
 660         .dram_ras =  0x00020030,
 661         .dram_reset =  0x00020030,
 662         .dram_sdcke0 =  0x00003000,
 663         .dram_sdcke1 =  0x00003000,
 664         .dram_sdba2 =  0x00000000,
 665         .dram_sdodt0 =  0x00003030,
 666         .dram_sdodt1 =  0x00003030,
 667         .dram_sdqs0 =  0x00000030,
 668         .dram_sdqs1 =  0x00000030,
 669         .dram_sdqs2 =  0x00000030,
 670         .dram_sdqs3 =  0x00000030,
 671         .dram_sdqs4 =  0x00000030,
 672         .dram_sdqs5 =  0x00000030,
 673         .dram_sdqs6 =  0x00000030,
 674         .dram_sdqs7 =  0x00000030,
 675         .dram_dqm0 =  0x00020030,
 676         .dram_dqm1 =  0x00020030,
 677         .dram_dqm2 =  0x00020030,
 678         .dram_dqm3 =  0x00020030,
 679         .dram_dqm4 =  0x00020030,
 680         .dram_dqm5 =  0x00020030,
 681         .dram_dqm6 =  0x00020030,
 682         .dram_dqm7 =  0x00020030,
 683 };
 684
 685 const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
 686         .grp_ddr_type =  0x000C0000,
 687         .grp_ddrmode_ctl =  0x00020000,
 688         .grp_ddrpke =  0x00000000,
 689         .grp_addds =  0x00000030,
 690         .grp_ctlds =  0x00000030,
 691         .grp_ddrmode =  0x00020000,
 692         .grp_b0ds =  0x00000030,
 693         .grp_b1ds =  0x00000030,
 694         .grp_b2ds =  0x00000030,
 695         .grp_b3ds =  0x00000030,
 696         .grp_b4ds =  0x00000030,
 697         .grp_b5ds =  0x00000030,
 698         .grp_b6ds =  0x00000030,
 699         .grp_b7ds =  0x00000030,
 700 };
 701
 702 const struct mx6_mmdc_calibration mx6_mmcd_calib = {
 703         .p0_mpwldectrl0 =  0x001F001F,
 704         .p0_mpwldectrl1 =  0x001F001F,
 705         .p1_mpwldectrl0 =  0x00440044,
 706         .p1_mpwldectrl1 =  0x00440044,
 707         .p0_mpdgctrl0 =  0x434B0350,
 708         .p0_mpdgctrl1 =  0x034C0359,
 709         .p1_mpdgctrl0 =  0x434B0350,
 710         .p1_mpdgctrl1 =  0x03650348,
 711         .p0_mprddlctl =  0x4436383B,
 712         .p1_mprddlctl =  0x39393341,
 713         .p0_mpwrdlctl =  0x35373933,
 714         .p1_mpwrdlctl =  0x48254A36,
 715 };
 716
 717 static struct mx6_ddr3_cfg mem_ddr = {
 718         .mem_speed = 1600,
 719         .density = 4,
 720         .width = 64,
 721         .banks = 8,
 722         .rowaddr = 14,
 723         .coladdr = 10,
 724         .pagesz = 2,
 725         .trcd = 1375,
 726         .trcmin = 4875,
 727         .trasmin = 3500,
 728 };
 729
 730 /*
 731  * This section require the differentiation
 732  * between iMX6 Sabre Families.
 733  * But for now, it will configure only for
 734  * SabreSD.
 735  */
 736 static void spl_dram_init(void)
 737 {
 738         struct mx6_ddr_sysinfo sysinfo = {
 739                 /* width of data bus:0=16,1=32,2=64 */
 740                 .dsize = mem_ddr.width/32,
 741                 /* config for full 4GB range so that get_mem_size() works */
 742                 .cs_density = 32, /* 32Gb per CS */
 743                 /* single chip select */
 744                 .ncs = 1,
 745                 .cs1_mirror = 0,
 746                 .rtt_wr = 1 /*DDR3_RTT_60_OHM*/,        /* RTT_Wr = RZQ/4 */
 747 #ifdef RTT_NOM_120OHM
 748                 .rtt_nom = 2 /*DDR3_RTT_120_OHM*/,      /* RTT_Nom = RZQ/2 */
 749 #else
 750                 .rtt_nom = 1 /*DDR3_RTT_60_OHM*/,       /* RTT_Nom = RZQ/4 */
 751 #endif
 752                 .walat = 1,     /* Write additional latency */
 753                 .ralat = 5,     /* Read additional latency */
 754                 .mif3_mode = 3, /* Command prediction working mode */
 755                 .bi_on = 1,     /* Bank interleaving enabled */
 756                 .sde_to_rst = 0x10,     /* 14 cycles, 200us (JEDEC default) */
 757                 .rst_to_cke = 0x23,     /* 33 cycles, 500us (JEDEC default) */
 758         };
 759
 760         mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
 761         mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
 762 }
 763
 764 void board_init_f(ulong dummy)
 765 {
 766         /* setup AIPS and disable watchdog */
 767         arch_cpu_init();
 768
 769         /* iomux and setup of i2c */
 770         board_early_init_f();
 771
 772         /* setup GP timer */
 773         timer_init();
 774
 775         /* UART clocks enabled and gd valid - init serial console */
 776         preloader_console_init();
 777
 778         /* DDR initialization */
 779         spl_dram_init();
 780
 781         /* Clear the BSS. */
 782         memset(__bss_start, 0, __bss_end - __bss_start);
 783
 784         /* load/boot image from boot device */
 785         board_init_r(NULL, 0);
 786 }
 787
 788 void reset_cpu(ulong addr)
 789 {
 790 }
 791 #endif