uboot/board/toradex/apalis_imx6/apalis_imx6.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
   4 * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
   5 * Copyright (C) 2014-2019, Toradex AG
   6 * copied from nitrogen6x
   7 */
   8
   9#include <common.h>
  10#include <cpu_func.h>
  11#include <dm.h>
  12#include <image.h>
  13#include <init.h>
  14#include <net.h>
  15#include <asm/global_data.h>
  16#include <linux/bitops.h>
  17#include <linux/delay.h>
  18
  19#include <ahci.h>
  20#include <asm/arch/clock.h>
  21#include <asm/arch/crm_regs.h>
  22#include <asm/arch/imx-regs.h>
  23#include <asm/arch/mx6-ddr.h>
  24#include <asm/arch/mx6-pins.h>
  25#include <asm/arch/mxc_hdmi.h>
  26#include <asm/arch/sys_proto.h>
  27#include <asm/bootm.h>
  28#include <asm/gpio.h>
  29#include <asm/mach-imx/boot_mode.h>
  30#include <asm/mach-imx/iomux-v3.h>
  31#include <asm/mach-imx/sata.h>
  32#include <asm/mach-imx/video.h>
  33#include <dm/device-internal.h>
  34#include <dm/platform_data/serial_mxc.h>
  35#include <dwc_ahsata.h>
  36#include <env.h>
  37#include <fsl_esdhc_imx.h>
  38#include <imx_thermal.h>
  39#include <micrel.h>
  40#include <miiphy.h>
  41#include <netdev.h>
  42
  43#include "../common/tdx-cfg-block.h"
  44#ifdef CONFIG_TDX_CMD_IMX_MFGR
  45#include "pf0100.h"
  46#endif
  47
  48DECLARE_GLOBAL_DATA_PTR;
  49
  50#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  51        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  52        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  53
  54#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
  55        PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm |                 \
  56        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  57
  58#define USDHC_EMMC_PAD_CTRL (PAD_CTL_PUS_47K_UP |               \
  59        PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  60        PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  61
  62#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  63        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
  64
  65#define WEAK_PULLUP     (PAD_CTL_PUS_100K_UP |                  \
  66        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  67        PAD_CTL_SRE_SLOW)
  68
  69#define WEAK_PULLDOWN   (PAD_CTL_PUS_100K_DOWN |                \
  70        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  71        PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
  72
  73#define TRISTATE        (PAD_CTL_HYS | PAD_CTL_SPEED_MED)
  74
  75#define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
  76
  77#define APALIS_IMX6_SATA_INIT_RETRIES   10
  78
  79int dram_init(void)
  80{
  81        /* use the DDR controllers configured size */
  82        gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
  83                                    (ulong)imx_ddr_size());
  84
  85        return 0;
  86}
  87
  88/* Apalis UART1 */
  89iomux_v3_cfg_t const uart1_pads_dce[] = {
  90        MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  91        MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  92};
  93iomux_v3_cfg_t const uart1_pads_dte[] = {
  94        MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  95        MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  96};
  97
  98#if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
  99/* Apalis MMC1 */
 100iomux_v3_cfg_t const usdhc1_pads[] = {
 101        MX6_PAD_SD1_CLK__SD1_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 102        MX6_PAD_SD1_CMD__SD1_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 103        MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 104        MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 105        MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 106        MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 107        MX6_PAD_NANDF_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 108        MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 109        MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 110        MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 111        MX6_PAD_DI0_PIN4__GPIO4_IO20   | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 112#       define GPIO_MMC_CD IMX_GPIO_NR(4, 20)
 113};
 114
 115/* Apalis SD1 */
 116iomux_v3_cfg_t const usdhc2_pads[] = {
 117        MX6_PAD_SD2_CLK__SD2_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 118        MX6_PAD_SD2_CMD__SD2_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 119        MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 120        MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 121        MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 122        MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 123        MX6_PAD_NANDF_CS1__GPIO6_IO14  | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
 124#       define GPIO_SD_CD IMX_GPIO_NR(6, 14)
 125};
 126
 127/* eMMC */
 128iomux_v3_cfg_t const usdhc3_pads[] = {
 129        MX6_PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 130        MX6_PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 131        MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 132        MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 133        MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 134        MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 135        MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 136        MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 137        MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 138        MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
 139        MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
 140};
 141#endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
 142
 143int mx6_rgmii_rework(struct phy_device *phydev)
 144{
 145        int tmp;
 146
 147        switch (ksz9xx1_phy_get_id(phydev) & MII_KSZ9x31_SILICON_REV_MASK) {
 148        case PHY_ID_KSZ9131:
 149                /* read rxc dll control - devaddr = 0x02, register = 0x4c */
 150                tmp = ksz9031_phy_extended_read(phydev, 0x02,
 151                                           MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
 152                                           MII_KSZ9031_MOD_DATA_NO_POST_INC);
 153                /* disable rxdll bypass (enable 2ns skew delay on RXC) */
 154                tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
 155                /* rxc data pad skew 2ns - devaddr = 0x02, register = 0x4c */
 156                ksz9031_phy_extended_write(phydev, 0x02,
 157                                           MII_KSZ9131_EXT_RGMII_2NS_SKEW_RXDLL,
 158                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 159                                           tmp);
 160                /* read txc dll control - devaddr = 0x02, register = 0x4d */
 161                tmp = ksz9031_phy_extended_read(phydev, 0x02,
 162                                           MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
 163                                           MII_KSZ9031_MOD_DATA_NO_POST_INC);
 164                /* disable rxdll bypass (enable 2ns skew delay on TXC) */
 165                tmp &= ~MII_KSZ9131_RXTXDLL_BYPASS;
 166                /* txc data pad skew 2ns - devaddr = 0x02, register = 0x4d */
 167                ksz9031_phy_extended_write(phydev, 0x02,
 168                                           MII_KSZ9131_EXT_RGMII_2NS_SKEW_TXDLL,
 169                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 170                                           tmp);
 171
 172                /* control data pad skew - devaddr = 0x02, register = 0x04 */
 173                ksz9031_phy_extended_write(phydev, 0x02,
 174                                           MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
 175                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 176                                           0x007d);
 177                /* rx data pad skew - devaddr = 0x02, register = 0x05 */
 178                ksz9031_phy_extended_write(phydev, 0x02,
 179                                           MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
 180                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 181                                           0x7777);
 182                /* tx data pad skew - devaddr = 0x02, register = 0x05 */
 183                ksz9031_phy_extended_write(phydev, 0x02,
 184                                           MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
 185                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 186                                           0xdddd);
 187                /* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
 188                ksz9031_phy_extended_write(phydev, 0x02,
 189                                           MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
 190                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 191                                           0x0007);
 192                break;
 193        case PHY_ID_KSZ9031:
 194        default:
 195                /* control data pad skew - devaddr = 0x02, register = 0x04 */
 196                ksz9031_phy_extended_write(phydev, 0x02,
 197                                           MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
 198                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 199                                           0x0000);
 200                /* rx data pad skew - devaddr = 0x02, register = 0x05 */
 201                ksz9031_phy_extended_write(phydev, 0x02,
 202                                           MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
 203                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 204                                           0x0000);
 205                /* tx data pad skew - devaddr = 0x02, register = 0x05 */
 206                ksz9031_phy_extended_write(phydev, 0x02,
 207                                           MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
 208                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 209                                           0x0000);
 210                /* gtx and rx clock pad skew - devaddr = 0x02,register = 0x08 */
 211                ksz9031_phy_extended_write(phydev, 0x02,
 212                                           MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
 213                                           MII_KSZ9031_MOD_DATA_NO_POST_INC,
 214                                           0x03FF);
 215                break;
 216        }
 217
 218        return 0;
 219}
 220
 221iomux_v3_cfg_t const enet_pads[] = {
 222        MX6_PAD_ENET_MDIO__ENET_MDIO            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 223        MX6_PAD_ENET_MDC__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
 224        MX6_PAD_RGMII_TXC__RGMII_TXC            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 225        MX6_PAD_RGMII_TD0__RGMII_TD0            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 226        MX6_PAD_RGMII_TD1__RGMII_TD1            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 227        MX6_PAD_RGMII_TD2__RGMII_TD2            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 228        MX6_PAD_RGMII_TD3__RGMII_TD3            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 229        MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
 230        MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
 231        MX6_PAD_RGMII_RXC__RGMII_RXC            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 232        MX6_PAD_RGMII_RD0__RGMII_RD0            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 233        MX6_PAD_RGMII_RD1__RGMII_RD1            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 234        MX6_PAD_RGMII_RD2__RGMII_RD2            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 235        MX6_PAD_RGMII_RD3__RGMII_RD3            | MUX_PAD_CTRL(ENET_PAD_CTRL),
 236        MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
 237        /* KSZ9031 PHY Reset */
 238        MX6_PAD_ENET_CRS_DV__GPIO1_IO25         | MUX_PAD_CTRL(NO_PAD_CTRL) |
 239                                                  MUX_MODE_SION,
 240#       define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25)
 241};
 242
 243/* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */
 244iomux_v3_cfg_t const gpio_pads[] = {
 245        /* Apalis GPIO1 - GPIO8 */
 246        MX6_PAD_NANDF_D4__GPIO2_IO04    | MUX_PAD_CTRL(WEAK_PULLUP) |
 247                                          MUX_MODE_SION,
 248        MX6_PAD_NANDF_D5__GPIO2_IO05    | MUX_PAD_CTRL(WEAK_PULLUP) |
 249                                          MUX_MODE_SION,
 250        MX6_PAD_NANDF_D6__GPIO2_IO06    | MUX_PAD_CTRL(WEAK_PULLUP) |
 251                                          MUX_MODE_SION,
 252        MX6_PAD_NANDF_D7__GPIO2_IO07    | MUX_PAD_CTRL(WEAK_PULLUP) |
 253                                          MUX_MODE_SION,
 254        MX6_PAD_NANDF_RB0__GPIO6_IO10   | MUX_PAD_CTRL(WEAK_PULLUP) |
 255                                          MUX_MODE_SION,
 256        MX6_PAD_NANDF_WP_B__GPIO6_IO09  | MUX_PAD_CTRL(WEAK_PULLUP) |
 257                                          MUX_MODE_SION,
 258        MX6_PAD_GPIO_2__GPIO1_IO02      | MUX_PAD_CTRL(WEAK_PULLDOWN) |
 259                                          MUX_MODE_SION,
 260        MX6_PAD_GPIO_6__GPIO1_IO06      | MUX_PAD_CTRL(WEAK_PULLUP) |
 261                                          MUX_MODE_SION,
 262        MX6_PAD_GPIO_4__GPIO1_IO04      | MUX_PAD_CTRL(WEAK_PULLUP) |
 263                                          MUX_MODE_SION,
 264};
 265
 266static void setup_iomux_gpio(void)
 267{
 268        imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
 269}
 270
 271iomux_v3_cfg_t const usb_pads[] = {
 272        /* USBH_EN */
 273        MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
 274#       define GPIO_USBH_EN IMX_GPIO_NR(1, 0)
 275        /* USB_VBUS_DET */
 276        MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
 277#       define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28)
 278        /* USBO1_ID */
 279        MX6_PAD_ENET_RX_ER__USB_OTG_ID  | MUX_PAD_CTRL(WEAK_PULLUP),
 280        /* USBO1_EN */
 281        MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
 282#       define GPIO_USBO_EN IMX_GPIO_NR(3, 22)
 283};
 284
 285/*
 286 * UARTs are used in DTE mode, switch the mode on all UARTs before
 287 * any pinmuxing connects a (DCE) output to a transceiver output.
 288 */
 289#define UCR3            0x88    /* FIFO Control Register */
 290#define UCR3_RI         BIT(8)  /* RIDELT DTE mode */
 291#define UCR3_DCD        BIT(9)  /* DCDDELT DTE mode */
 292#define UFCR            0x90    /* FIFO Control Register */
 293#define UFCR_DCEDTE     BIT(6)  /* DCE=0 */
 294
 295static void setup_dtemode_uart(void)
 296{
 297        setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
 298        setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
 299        setbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
 300        setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
 301
 302        clrbits_le32((u32 *)(UART1_BASE + UCR3), UCR3_DCD | UCR3_RI);
 303        clrbits_le32((u32 *)(UART2_BASE + UCR3), UCR3_DCD | UCR3_RI);
 304        clrbits_le32((u32 *)(UART4_BASE + UCR3), UCR3_DCD | UCR3_RI);
 305        clrbits_le32((u32 *)(UART5_BASE + UCR3), UCR3_DCD | UCR3_RI);
 306}
 307static void setup_dcemode_uart(void)
 308{
 309        clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
 310        clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
 311        clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
 312        clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
 313}
 314
 315static void setup_iomux_dte_uart(void)
 316{
 317        setup_dtemode_uart();
 318        imx_iomux_v3_setup_multiple_pads(uart1_pads_dte,
 319                                         ARRAY_SIZE(uart1_pads_dte));
 320}
 321static void setup_iomux_dce_uart(void)
 322{
 323        setup_dcemode_uart();
 324        imx_iomux_v3_setup_multiple_pads(uart1_pads_dce,
 325                                         ARRAY_SIZE(uart1_pads_dce));
 326}
 327
 328#ifdef CONFIG_USB_EHCI_MX6
 329int board_ehci_hcd_init(int port)
 330{
 331        imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
 332        return 0;
 333}
 334#endif
 335
 336#if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
 337/* use the following sequence: eMMC, MMC1, SD1 */
 338struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
 339        {USDHC3_BASE_ADDR},
 340        {USDHC1_BASE_ADDR},
 341        {USDHC2_BASE_ADDR},
 342};
 343
 344int board_mmc_getcd(struct mmc *mmc)
 345{
 346        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 347        int ret = true; /* default: assume inserted */
 348
 349        switch (cfg->esdhc_base) {
 350        case USDHC1_BASE_ADDR:
 351                gpio_request(GPIO_MMC_CD, "MMC_CD");
 352                gpio_direction_input(GPIO_MMC_CD);
 353                ret = !gpio_get_value(GPIO_MMC_CD);
 354                break;
 355        case USDHC2_BASE_ADDR:
 356                gpio_request(GPIO_MMC_CD, "SD_CD");
 357                gpio_direction_input(GPIO_SD_CD);
 358                ret = !gpio_get_value(GPIO_SD_CD);
 359                break;
 360        }
 361
 362        return ret;
 363}
 364
 365int board_mmc_init(struct bd_info *bis)
 366{
 367        struct src *psrc = (struct src *)SRC_BASE_ADDR;
 368        unsigned reg = readl(&psrc->sbmr1) >> 11;
 369        /*
 370         * Upon reading BOOT_CFG register the following map is done:
 371         * Bit 11 and 12 of BOOT_CFG register can determine the current
 372         * mmc port
 373         * 0x1                  SD1
 374         * 0x2                  SD2
 375         * 0x3                  SD4
 376         */
 377
 378        switch (reg & 0x3) {
 379        case 0x0:
 380                imx_iomux_v3_setup_multiple_pads(
 381                        usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
 382                usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
 383                usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
 384                gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 385                break;
 386        case 0x1:
 387                imx_iomux_v3_setup_multiple_pads(
 388                        usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 389                usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
 390                usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 391                gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 392                break;
 393        case 0x2:
 394                imx_iomux_v3_setup_multiple_pads(
 395                        usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 396                usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
 397                usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 398                gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
 399                break;
 400        default:
 401                puts("MMC boot device not available");
 402        }
 403
 404        return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
 405}
 406#endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
 407
 408int board_phy_config(struct phy_device *phydev)
 409{
 410        mx6_rgmii_rework(phydev);
 411        if (phydev->drv->config)
 412                phydev->drv->config(phydev);
 413
 414        return 0;
 415}
 416
 417static iomux_v3_cfg_t const pwr_intb_pads[] = {
 418        /*
 419         * the bootrom sets the iomux to vselect, potentially connecting
 420         * two outputs. Set this back to GPIO
 421         */
 422        MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)
 423};
 424
 425#if defined(CONFIG_VIDEO_IPUV3)
 426
 427static iomux_v3_cfg_t const backlight_pads[] = {
 428        /* Backlight on RGB connector: J15 */
 429        MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) |
 430                                       MUX_MODE_SION,
 431#define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13)
 432        /* additional CPU pin on BKL_PWM, keep in tristate */
 433        MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE),
 434        /* Backlight PWM, used as GPIO in U-Boot */
 435        MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL) |
 436                                       MUX_MODE_SION,
 437#define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10)
 438        /* buffer output enable 0: buffer enabled */
 439        MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
 440#define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2)
 441        /* PSAVE# integrated VDAC */
 442        MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL) |
 443                                       MUX_MODE_SION,
 444#define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31)
 445};
 446
 447static iomux_v3_cfg_t const rgb_pads[] = {
 448        MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB),
 449        MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB),
 450        MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB),
 451        MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB),
 452        MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB),
 453        MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB),
 454        MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB),
 455        MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB),
 456        MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB),
 457        MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB),
 458        MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB),
 459        MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB),
 460        MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB),
 461        MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB),
 462        MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB),
 463        MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB),
 464        MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB),
 465        MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB),
 466        MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB),
 467        MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB),
 468        MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB),
 469        MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB),
 470        MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB),
 471        MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB),
 472        MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB),
 473        MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB),
 474        MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB),
 475        MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB),
 476};
 477
 478static void do_enable_hdmi(struct display_info_t const *dev)
 479{
 480        imx_enable_hdmi_phy();
 481}
 482
 483static void enable_lvds(struct display_info_t const *dev)
 484{
 485        struct iomuxc *iomux = (struct iomuxc *)
 486                                IOMUXC_BASE_ADDR;
 487        u32 reg = readl(&iomux->gpr[2]);
 488        reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
 489        writel(reg, &iomux->gpr[2]);
 490        gpio_direction_output(RGB_BACKLIGHT_GP, 1);
 491        gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
 492        gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
 493}
 494
 495static void enable_rgb(struct display_info_t const *dev)
 496{
 497        imx_iomux_v3_setup_multiple_pads(
 498                rgb_pads,
 499                ARRAY_SIZE(rgb_pads));
 500        gpio_direction_output(RGB_BACKLIGHT_GP, 1);
 501        gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
 502        gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
 503}
 504
 505static int detect_default(struct display_info_t const *dev)
 506{
 507        (void) dev;
 508        return 1;
 509}
 510
 511struct display_info_t const displays[] = {{
 512        .bus    = -1,
 513        .addr   = 0,
 514        .pixfmt = IPU_PIX_FMT_RGB24,
 515        .detect = detect_hdmi,
 516        .enable = do_enable_hdmi,
 517        .mode   = {
 518                .name           = "HDMI",
 519                .refresh        = 60,
 520                .xres           = 1024,
 521                .yres           = 768,
 522                .pixclock       = 15385,
 523                .left_margin    = 220,
 524                .right_margin   = 40,
 525                .upper_margin   = 21,
 526                .lower_margin   = 7,
 527                .hsync_len      = 60,
 528                .vsync_len      = 10,
 529                .sync           = FB_SYNC_EXT,
 530                .vmode          = FB_VMODE_NONINTERLACED
 531} }, {
 532        .bus    = -1,
 533        .addr   = 0,
 534        .di     = 1,
 535        .pixfmt = IPU_PIX_FMT_RGB24,
 536        .detect = detect_default,
 537        .enable = enable_rgb,
 538        .mode   = {
 539                .name           = "vga-rgb",
 540                .refresh        = 60,
 541                .xres           = 640,
 542                .yres           = 480,
 543                .pixclock       = 33000,
 544                .left_margin    = 48,
 545                .right_margin   = 16,
 546                .upper_margin   = 31,
 547                .lower_margin   = 11,
 548                .hsync_len      = 96,
 549                .vsync_len      = 2,
 550                .sync           = 0,
 551                .vmode          = FB_VMODE_NONINTERLACED
 552} }, {
 553        .bus    = -1,
 554        .addr   = 0,
 555        .di     = 1,
 556        .pixfmt = IPU_PIX_FMT_RGB24,
 557        .enable = enable_rgb,
 558        .mode   = {
 559                .name           = "wvga-rgb",
 560                .refresh        = 60,
 561                .xres           = 800,
 562                .yres           = 480,
 563                .pixclock       = 25000,
 564                .left_margin    = 40,
 565                .right_margin   = 88,
 566                .upper_margin   = 33,
 567                .lower_margin   = 10,
 568                .hsync_len      = 128,
 569                .vsync_len      = 2,
 570                .sync           = 0,
 571                .vmode          = FB_VMODE_NONINTERLACED
 572} }, {
 573        .bus    = -1,
 574        .addr   = 0,
 575        .pixfmt = IPU_PIX_FMT_LVDS666,
 576        .enable = enable_lvds,
 577        .mode   = {
 578                .name           = "wsvga-lvds",
 579                .refresh        = 60,
 580                .xres           = 1024,
 581                .yres           = 600,
 582                .pixclock       = 15385,
 583                .left_margin    = 220,
 584                .right_margin   = 40,
 585                .upper_margin   = 21,
 586                .lower_margin   = 7,
 587                .hsync_len      = 60,
 588                .vsync_len      = 10,
 589                .sync           = FB_SYNC_EXT,
 590                .vmode          = FB_VMODE_NONINTERLACED
 591} } };
 592size_t display_count = ARRAY_SIZE(displays);
 593
 594static void setup_display(void)
 595{
 596        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 597        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 598        int reg;
 599
 600        enable_ipu_clock();
 601        imx_setup_hdmi();
 602        /* Turn on LDB0,IPU,IPU DI0 clocks */
 603        reg = __raw_readl(&mxc_ccm->CCGR3);
 604        reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
 605        writel(reg, &mxc_ccm->CCGR3);
 606
 607        /* set LDB0, LDB1 clk select to 011/011 */
 608        reg = readl(&mxc_ccm->cs2cdr);
 609        reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
 610                 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
 611        reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
 612              |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
 613        writel(reg, &mxc_ccm->cs2cdr);
 614
 615        reg = readl(&mxc_ccm->cscmr2);
 616        reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
 617        writel(reg, &mxc_ccm->cscmr2);
 618
 619        reg = readl(&mxc_ccm->chsccdr);
 620        reg |= (CHSCCDR_CLK_SEL_LDB_DI0
 621                <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
 622        writel(reg, &mxc_ccm->chsccdr);
 623
 624        reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
 625             |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
 626             |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
 627             |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
 628             |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
 629             |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
 630             |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
 631             |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
 632             |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
 633        writel(reg, &iomux->gpr[2]);
 634
 635        reg = readl(&iomux->gpr[3]);
 636        reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
 637                        |IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
 638            | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
 639               <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
 640        writel(reg, &iomux->gpr[3]);
 641
 642        /* backlight unconditionally on for now */
 643        imx_iomux_v3_setup_multiple_pads(backlight_pads,
 644                                         ARRAY_SIZE(backlight_pads));
 645        /* use 0 for EDT 7", use 1 for LG fullHD panel */
 646        gpio_request(RGB_BACKLIGHTPWM_GP, "BKL1_PWM");
 647        gpio_request(RGB_BACKLIGHTPWM_OE, "BKL1_PWM_EN");
 648        gpio_request(RGB_BACKLIGHT_GP, "BKL1_ON");
 649        gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
 650        gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
 651        gpio_direction_output(RGB_BACKLIGHT_GP, 1);
 652}
 653
 654/*
 655 * Backlight off before OS handover
 656 */
 657void board_preboot_os(void)
 658{
 659        gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1);
 660        gpio_direction_output(RGB_BACKLIGHT_GP, 0);
 661}
 662#endif /* defined(CONFIG_VIDEO_IPUV3) */
 663
 664int board_early_init_f(void)
 665{
 666        imx_iomux_v3_setup_multiple_pads(pwr_intb_pads,
 667                                         ARRAY_SIZE(pwr_intb_pads));
 668#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
 669        setup_iomux_dte_uart();
 670#else
 671        setup_iomux_dce_uart();
 672#endif
 673        return 0;
 674}
 675
 676/*
 677 * Do not overwrite the console
 678 * Use always serial for U-Boot console
 679 */
 680int overwrite_console(void)
 681{
 682        return 1;
 683}
 684
 685int board_init(void)
 686{
 687        /* address of boot parameters */
 688        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 689
 690#if defined(CONFIG_VIDEO_IPUV3)
 691        setup_display();
 692#endif
 693
 694#ifdef CONFIG_TDX_CMD_IMX_MFGR
 695        (void) pmic_init();
 696#endif
 697
 698#ifdef CONFIG_SATA
 699        setup_sata();
 700#endif
 701
 702        setup_iomux_gpio();
 703
 704        return 0;
 705}
 706
 707#ifdef CONFIG_BOARD_LATE_INIT
 708int board_late_init(void)
 709{
 710#if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
 711        char env_str[256];
 712        u32 rev;
 713
 714        rev = get_board_revision();
 715        snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev);
 716        env_set("board_rev", env_str);
 717
 718#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
 719        if ((rev & 0xfff0) == 0x0100) {
 720                char *fdt_env;
 721
 722                /* reconfigure the UART to DCE mode dynamically if on V1.0 HW */
 723                setup_iomux_dce_uart();
 724
 725                /* if using the default device tree, use version for V1.0 HW */
 726                fdt_env = env_get("fdt_file");
 727                if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) {
 728                        env_set("fdt_file", FDT_FILE_V1_0);
 729                        printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
 730#ifndef CONFIG_ENV_IS_NOWHERE
 731                        env_save();
 732#endif
 733                }
 734        }
 735#endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */
 736#endif /* CONFIG_REVISION_TAG */
 737
 738#ifdef CONFIG_CMD_USB_SDP
 739        if (is_boot_from_usb()) {
 740                printf("Serial Downloader recovery mode, using sdp command\n");
 741                env_set("bootdelay", "0");
 742                env_set("bootcmd", "sdp 0");
 743        }
 744#endif /* CONFIG_CMD_USB_SDP */
 745
 746        return 0;
 747}
 748#endif /* CONFIG_BOARD_LATE_INIT */
 749
 750int checkboard(void)
 751{
 752        char it[] = " IT";
 753        int minc, maxc;
 754
 755        switch (get_cpu_temp_grade(&minc, &maxc)) {
 756        case TEMP_AUTOMOTIVE:
 757        case TEMP_INDUSTRIAL:
 758                break;
 759        case TEMP_EXTCOMMERCIAL:
 760        default:
 761                it[0] = 0;
 762        };
 763        printf("Model: Toradex Apalis iMX6 %s %s%s\n",
 764               is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad",
 765               (gd->ram_size == 0x80000000) ? "2GB" :
 766               (gd->ram_size == 0x40000000) ? "1GB" : "512MB", it);
 767        return 0;
 768}
 769
 770#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
 771int ft_board_setup(void *blob, struct bd_info *bd)
 772{
 773        return ft_common_board_setup(blob, bd);
 774}
 775#endif
 776
 777#ifdef CONFIG_CMD_BMODE
 778static const struct boot_mode board_boot_modes[] = {
 779        /* 4-bit bus width */
 780        {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
 781        {"sd",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 782        {NULL,  0},
 783};
 784#endif
 785
 786int misc_init_r(void)
 787{
 788#ifdef CONFIG_CMD_BMODE
 789        add_board_boot_modes(board_boot_modes);
 790#endif
 791        return 0;
 792}
 793
 794#ifdef CONFIG_LDO_BYPASS_CHECK
 795/* TODO, use external pmic, for now always ldo_enable */
 796void ldo_mode_set(int ldo_bypass)
 797{
 798        return;
 799}
 800#endif
 801
 802#ifdef CONFIG_SPL_BUILD
 803#include <spl.h>
 804#include <linux/libfdt.h>
 805#include "asm/arch/mx6q-ddr.h"
 806#include "asm/arch/iomux.h"
 807#include "asm/arch/crm_regs.h"
 808
 809static int mx6_com_dcd_table[] = {
 810/* ddr-setup.cfg */
 811MX6_IOM_DRAM_SDQS0, 0x00000030,
 812MX6_IOM_DRAM_SDQS1, 0x00000030,
 813MX6_IOM_DRAM_SDQS2, 0x00000030,
 814MX6_IOM_DRAM_SDQS3, 0x00000030,
 815MX6_IOM_DRAM_SDQS4, 0x00000030,
 816MX6_IOM_DRAM_SDQS5, 0x00000030,
 817MX6_IOM_DRAM_SDQS6, 0x00000030,
 818MX6_IOM_DRAM_SDQS7, 0x00000030,
 819
 820MX6_IOM_GRP_B0DS, 0x00000030,
 821MX6_IOM_GRP_B1DS, 0x00000030,
 822MX6_IOM_GRP_B2DS, 0x00000030,
 823MX6_IOM_GRP_B3DS, 0x00000030,
 824MX6_IOM_GRP_B4DS, 0x00000030,
 825MX6_IOM_GRP_B5DS, 0x00000030,
 826MX6_IOM_GRP_B6DS, 0x00000030,
 827MX6_IOM_GRP_B7DS, 0x00000030,
 828MX6_IOM_GRP_ADDDS, 0x00000030,
 829/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
 830MX6_IOM_GRP_CTLDS, 0x00000030,
 831
 832MX6_IOM_DRAM_DQM0, 0x00020030,
 833MX6_IOM_DRAM_DQM1, 0x00020030,
 834MX6_IOM_DRAM_DQM2, 0x00020030,
 835MX6_IOM_DRAM_DQM3, 0x00020030,
 836MX6_IOM_DRAM_DQM4, 0x00020030,
 837MX6_IOM_DRAM_DQM5, 0x00020030,
 838MX6_IOM_DRAM_DQM6, 0x00020030,
 839MX6_IOM_DRAM_DQM7, 0x00020030,
 840
 841MX6_IOM_DRAM_CAS, 0x00020030,
 842MX6_IOM_DRAM_RAS, 0x00020030,
 843MX6_IOM_DRAM_SDCLK_0, 0x00020030,
 844MX6_IOM_DRAM_SDCLK_1, 0x00020030,
 845
 846MX6_IOM_DRAM_RESET, 0x00020030,
 847MX6_IOM_DRAM_SDCKE0, 0x00003000,
 848MX6_IOM_DRAM_SDCKE1, 0x00003000,
 849
 850MX6_IOM_DRAM_SDODT0, 0x00003030,
 851MX6_IOM_DRAM_SDODT1, 0x00003030,
 852
 853/* (differential input) */
 854MX6_IOM_DDRMODE_CTL, 0x00020000,
 855/* (differential input) */
 856MX6_IOM_GRP_DDRMODE, 0x00020000,
 857/* disable ddr pullups */
 858MX6_IOM_GRP_DDRPKE, 0x00000000,
 859MX6_IOM_DRAM_SDBA2, 0x00000000,
 860/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
 861MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
 862
 863/* Read data DQ Byte0-3 delay */
 864MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
 865MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
 866MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
 867MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
 868MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
 869MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
 870MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
 871MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
 872
 873/*
 874 * MDMISC       mirroring       interleaved (row/bank/col)
 875 */
 876MX6_MMDC_P0_MDMISC, 0x00081740,
 877
 878/*
 879 * MDSCR        con_req
 880 */
 881MX6_MMDC_P0_MDSCR, 0x00008000,
 882
 883/* 1066mhz_4x128mx16.cfg */
 884
 885MX6_MMDC_P0_MDPDC, 0x00020036,
 886MX6_MMDC_P0_MDCFG0, 0x555A7954,
 887MX6_MMDC_P0_MDCFG1, 0xDB328F64,
 888MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
 889MX6_MMDC_P0_MDRWD, 0x000026D2,
 890MX6_MMDC_P0_MDOR, 0x005A1023,
 891MX6_MMDC_P0_MDOTC, 0x09555050,
 892MX6_MMDC_P0_MDPDC, 0x00025576,
 893MX6_MMDC_P0_MDASP, 0x00000027,
 894MX6_MMDC_P0_MDCTL, 0x831A0000,
 895MX6_MMDC_P0_MDSCR, 0x04088032,
 896MX6_MMDC_P0_MDSCR, 0x00008033,
 897MX6_MMDC_P0_MDSCR, 0x00428031,
 898MX6_MMDC_P0_MDSCR, 0x19308030,
 899MX6_MMDC_P0_MDSCR, 0x04008040,
 900MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
 901MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
 902MX6_MMDC_P0_MDREF, 0x00005800,
 903MX6_MMDC_P0_MPODTCTRL, 0x00000000,
 904MX6_MMDC_P1_MPODTCTRL, 0x00000000,
 905
 906MX6_MMDC_P0_MPDGCTRL0, 0x432A0338,
 907MX6_MMDC_P0_MPDGCTRL1, 0x03260324,
 908MX6_MMDC_P1_MPDGCTRL0, 0x43340344,
 909MX6_MMDC_P1_MPDGCTRL1, 0x031E027C,
 910
 911MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E,
 912MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37,
 913
 914MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C,
 915MX6_MMDC_P1_MPWRDLCTL, 0x4336453F,
 916
 917MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
 918MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
 919MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
 920MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
 921
 922MX6_MMDC_P0_MPMUR0, 0x00000800,
 923MX6_MMDC_P1_MPMUR0, 0x00000800,
 924MX6_MMDC_P0_MDSCR, 0x00000000,
 925MX6_MMDC_P0_MAPSR, 0x00011006,
 926};
 927
 928static int mx6_it_dcd_table[] = {
 929/* ddr-setup.cfg */
 930MX6_IOM_DRAM_SDQS0, 0x00000030,
 931MX6_IOM_DRAM_SDQS1, 0x00000030,
 932MX6_IOM_DRAM_SDQS2, 0x00000030,
 933MX6_IOM_DRAM_SDQS3, 0x00000030,
 934MX6_IOM_DRAM_SDQS4, 0x00000030,
 935MX6_IOM_DRAM_SDQS5, 0x00000030,
 936MX6_IOM_DRAM_SDQS6, 0x00000030,
 937MX6_IOM_DRAM_SDQS7, 0x00000030,
 938
 939MX6_IOM_GRP_B0DS, 0x00000030,
 940MX6_IOM_GRP_B1DS, 0x00000030,
 941MX6_IOM_GRP_B2DS, 0x00000030,
 942MX6_IOM_GRP_B3DS, 0x00000030,
 943MX6_IOM_GRP_B4DS, 0x00000030,
 944MX6_IOM_GRP_B5DS, 0x00000030,
 945MX6_IOM_GRP_B6DS, 0x00000030,
 946MX6_IOM_GRP_B7DS, 0x00000030,
 947MX6_IOM_GRP_ADDDS, 0x00000030,
 948/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
 949MX6_IOM_GRP_CTLDS, 0x00000030,
 950
 951MX6_IOM_DRAM_DQM0, 0x00020030,
 952MX6_IOM_DRAM_DQM1, 0x00020030,
 953MX6_IOM_DRAM_DQM2, 0x00020030,
 954MX6_IOM_DRAM_DQM3, 0x00020030,
 955MX6_IOM_DRAM_DQM4, 0x00020030,
 956MX6_IOM_DRAM_DQM5, 0x00020030,
 957MX6_IOM_DRAM_DQM6, 0x00020030,
 958MX6_IOM_DRAM_DQM7, 0x00020030,
 959
 960MX6_IOM_DRAM_CAS, 0x00020030,
 961MX6_IOM_DRAM_RAS, 0x00020030,
 962MX6_IOM_DRAM_SDCLK_0, 0x00020030,
 963MX6_IOM_DRAM_SDCLK_1, 0x00020030,
 964
 965MX6_IOM_DRAM_RESET, 0x00020030,
 966MX6_IOM_DRAM_SDCKE0, 0x00003000,
 967MX6_IOM_DRAM_SDCKE1, 0x00003000,
 968
 969MX6_IOM_DRAM_SDODT0, 0x00003030,
 970MX6_IOM_DRAM_SDODT1, 0x00003030,
 971
 972/* (differential input) */
 973MX6_IOM_DDRMODE_CTL, 0x00020000,
 974/* (differential input) */
 975MX6_IOM_GRP_DDRMODE, 0x00020000,
 976/* disable ddr pullups */
 977MX6_IOM_GRP_DDRPKE, 0x00000000,
 978MX6_IOM_DRAM_SDBA2, 0x00000000,
 979/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
 980MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
 981
 982/* Read data DQ Byte0-3 delay */
 983MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
 984MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
 985MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
 986MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
 987MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
 988MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
 989MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
 990MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
 991
 992/*
 993 * MDMISC       mirroring       interleaved (row/bank/col)
 994 */
 995MX6_MMDC_P0_MDMISC, 0x00081740,
 996
 997/*
 998 * MDSCR        con_req
 999 */
1000MX6_MMDC_P0_MDSCR, 0x00008000,
1001
1002/* 1066mhz_4x256mx16.cfg */
1003
1004MX6_MMDC_P0_MDPDC, 0x00020036,
1005MX6_MMDC_P0_MDCFG0, 0x898E78f5,
1006MX6_MMDC_P0_MDCFG1, 0xff328f64,
1007MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
1008MX6_MMDC_P0_MDRWD, 0x000026D2,
1009MX6_MMDC_P0_MDOR, 0x008E1023,
1010MX6_MMDC_P0_MDOTC, 0x09444040,
1011MX6_MMDC_P0_MDPDC, 0x00025576,
1012MX6_MMDC_P0_MDASP, 0x00000047,
1013MX6_MMDC_P0_MDCTL, 0x841A0000,
1014MX6_MMDC_P0_MDSCR, 0x02888032,
1015MX6_MMDC_P0_MDSCR, 0x00008033,
1016MX6_MMDC_P0_MDSCR, 0x00048031,
1017MX6_MMDC_P0_MDSCR, 0x19408030,
1018MX6_MMDC_P0_MDSCR, 0x04008040,
1019MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
1020MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
1021MX6_MMDC_P0_MDREF, 0x00007800,
1022MX6_MMDC_P0_MPODTCTRL, 0x00022227,
1023MX6_MMDC_P1_MPODTCTRL, 0x00022227,
1024
1025MX6_MMDC_P0_MPDGCTRL0, 0x03300338,
1026MX6_MMDC_P0_MPDGCTRL1, 0x03240324,
1027MX6_MMDC_P1_MPDGCTRL0, 0x03440350,
1028MX6_MMDC_P1_MPDGCTRL1, 0x032C0308,
1029
1030MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E,
1031MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46,
1032
1033MX6_MMDC_P0_MPWRDLCTL, 0x403E463E,
1034MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46,
1035
1036MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
1037MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
1038MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
1039MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
1040
1041MX6_MMDC_P0_MPMUR0, 0x00000800,
1042MX6_MMDC_P1_MPMUR0, 0x00000800,
1043MX6_MMDC_P0_MDSCR, 0x00000000,
1044MX6_MMDC_P0_MAPSR, 0x00011006,
1045};
1046
1047static void ccgr_init(void)
1048{
1049        struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
1050
1051        writel(0x00C03F3F, &ccm->CCGR0);
1052        writel(0x0030FC03, &ccm->CCGR1);
1053        writel(0x0FFFFFF3, &ccm->CCGR2);
1054        writel(0x3FF0300F, &ccm->CCGR3);
1055        writel(0x00FFF300, &ccm->CCGR4);
1056        writel(0x0F0000F3, &ccm->CCGR5);
1057        writel(0x000003FF, &ccm->CCGR6);
1058
1059/*
1060 * Setup CCM_CCOSR register as follows:
1061 *
1062 * cko1_en  = 1    --> CKO1 enabled
1063 * cko1_div = 111  --> divide by 8
1064 * cko1_sel = 1011 --> ahb_clk_root
1065 *
1066 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
1067 */
1068        writel(0x000000FB, &ccm->ccosr);
1069}
1070
1071static void ddr_init(int *table, int size)
1072{
1073        int i;
1074
1075        for (i = 0; i < size / 2 ; i++)
1076                writel(table[2 * i + 1], table[2 * i]);
1077}
1078
1079/* Perform DDR DRAM calibration */
1080static void spl_dram_perform_cal(void)
1081{
1082#ifdef CONFIG_MX6_DDRCAL
1083        int err;
1084        struct mx6_ddr_sysinfo ddr_sysinfo = {
1085                .dsize = 2,
1086        };
1087
1088        err = mmdc_do_write_level_calibration(&ddr_sysinfo);
1089        if (err)
1090                printf("error %d from write level calibration\n", err);
1091        err = mmdc_do_dqs_calibration(&ddr_sysinfo);
1092        if (err)
1093                printf("error %d from dqs calibration\n", err);
1094#endif
1095}
1096
1097static void spl_dram_init(void)
1098{
1099        int minc, maxc;
1100
1101        switch (get_cpu_temp_grade(&minc, &maxc)) {
1102        case TEMP_COMMERCIAL:
1103        case TEMP_EXTCOMMERCIAL:
1104                puts("Commercial temperature grade DDR3 timings.\n");
1105                ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table));
1106                break;
1107        case TEMP_INDUSTRIAL:
1108        case TEMP_AUTOMOTIVE:
1109        default:
1110                puts("Industrial temperature grade DDR3 timings.\n");
1111                ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table));
1112                break;
1113        };
1114        udelay(100);
1115        spl_dram_perform_cal();
1116}
1117
1118void board_init_f(ulong dummy)
1119{
1120        /* setup AIPS and disable watchdog */
1121        arch_cpu_init();
1122
1123        ccgr_init();
1124        gpr_init();
1125
1126        /* iomux */
1127        board_early_init_f();
1128
1129        /* setup GP timer */
1130        timer_init();
1131
1132        /* UART clocks enabled and gd valid - init serial console */
1133        preloader_console_init();
1134
1135#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
1136        /* Make sure we use dte mode */
1137        setup_dtemode_uart();
1138#endif
1139
1140        /* DDR initialization */
1141        spl_dram_init();
1142
1143        /* Clear the BSS. */
1144        memset(__bss_start, 0, __bss_end - __bss_start);
1145
1146        /* load/boot image from boot device */
1147        board_init_r(NULL, 0);
1148}
1149
1150#ifdef CONFIG_SPL_LOAD_FIT
1151int board_fit_config_name_match(const char *name)
1152{
1153        if (!strcmp(name, "imx6-apalis"))
1154                return 0;
1155
1156        return -1;
1157}
1158#endif
1159
1160void reset_cpu(void)
1161{
1162}
1163
1164#endif /* CONFIG_SPL_BUILD */
1165
1166static struct mxc_serial_plat mxc_serial_plat = {
1167        .reg = (struct mxc_uart *)UART1_BASE,
1168        .use_dte = true,
1169};
1170
1171U_BOOT_DRVINFO(mxc_serial) = {
1172        .name = "serial_mxc",
1173        .plat = &mxc_serial_plat,
1174};
1175