uboot/board/compulab/cm_fx6/cm_fx6.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Board functions for Compulab CM-FX6 board
   4 *
   5 * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
   6 *
   7 * Author: Nikita Kiryanov <nikita@compulab.co.il>
   8 */
   9
  10#include <common.h>
  11#include <ahci.h>
  12#include <dm.h>
  13#include <dwc_ahsata.h>
  14#include <environment.h>
  15#include <fsl_esdhc.h>
  16#include <miiphy.h>
  17#include <mtd_node.h>
  18#include <netdev.h>
  19#include <errno.h>
  20#include <usb.h>
  21#include <fdt_support.h>
  22#include <sata.h>
  23#include <splash.h>
  24#include <asm/arch/crm_regs.h>
  25#include <asm/arch/sys_proto.h>
  26#include <asm/arch/iomux.h>
  27#include <asm/arch/mxc_hdmi.h>
  28#include <asm/mach-imx/mxc_i2c.h>
  29#include <asm/mach-imx/sata.h>
  30#include <asm/mach-imx/video.h>
  31#include <asm/io.h>
  32#include <asm/gpio.h>
  33#include <dm/platform_data/serial_mxc.h>
  34#include <dm/device-internal.h>
  35#include <jffs2/load_kernel.h>
  36#include "common.h"
  37#include "../common/eeprom.h"
  38#include "../common/common.h"
  39
  40DECLARE_GLOBAL_DATA_PTR;
  41
  42#ifdef CONFIG_SPLASH_SCREEN
  43static struct splash_location cm_fx6_splash_locations[] = {
  44        {
  45                .name = "sf",
  46                .storage = SPLASH_STORAGE_SF,
  47                .flags = SPLASH_STORAGE_RAW,
  48                .offset = 0x100000,
  49        },
  50        {
  51                .name = "mmc_fs",
  52                .storage = SPLASH_STORAGE_MMC,
  53                .flags = SPLASH_STORAGE_FS,
  54                .devpart = "2:1",
  55        },
  56        {
  57                .name = "usb_fs",
  58                .storage = SPLASH_STORAGE_USB,
  59                .flags = SPLASH_STORAGE_FS,
  60                .devpart = "0:1",
  61        },
  62        {
  63                .name = "sata_fs",
  64                .storage = SPLASH_STORAGE_SATA,
  65                .flags = SPLASH_STORAGE_FS,
  66                .devpart = "0:1",
  67        },
  68};
  69
  70int splash_screen_prepare(void)
  71{
  72        return splash_source_load(cm_fx6_splash_locations,
  73                                  ARRAY_SIZE(cm_fx6_splash_locations));
  74}
  75#endif
  76
  77#ifdef CONFIG_IMX_HDMI
  78static void cm_fx6_enable_hdmi(struct display_info_t const *dev)
  79{
  80        struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  81        imx_setup_hdmi();
  82        setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
  83        imx_enable_hdmi_phy();
  84}
  85
  86static struct display_info_t preset_hdmi_1024X768 = {
  87        .bus    = -1,
  88        .addr   = 0,
  89        .pixfmt = IPU_PIX_FMT_RGB24,
  90        .enable = cm_fx6_enable_hdmi,
  91        .mode   = {
  92                .name           = "HDMI",
  93                .refresh        = 60,
  94                .xres           = 1024,
  95                .yres           = 768,
  96                .pixclock       = 40385,
  97                .left_margin    = 220,
  98                .right_margin   = 40,
  99                .upper_margin   = 21,
 100                .lower_margin   = 7,
 101                .hsync_len      = 60,
 102                .vsync_len      = 10,
 103                .sync           = FB_SYNC_EXT,
 104                .vmode          = FB_VMODE_NONINTERLACED,
 105        }
 106};
 107
 108static void cm_fx6_setup_display(void)
 109{
 110        struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
 111
 112        enable_ipu_clock();
 113        clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
 114}
 115
 116int board_video_skip(void)
 117{
 118        int ret;
 119        struct display_info_t *preset;
 120        char const *panel = env_get("displaytype");
 121
 122        if (!panel) /* Also accept panel for backward compatibility */
 123                panel = env_get("panel");
 124
 125        if (!panel)
 126                return -ENOENT;
 127
 128        if (!strcmp(panel, "HDMI"))
 129                preset = &preset_hdmi_1024X768;
 130        else
 131                return -EINVAL;
 132
 133        ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt);
 134        if (ret) {
 135                printf("Can't init display %s: %d\n", preset->mode.name, ret);
 136                return ret;
 137        }
 138
 139        preset->enable(preset);
 140        printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres,
 141               preset->mode.yres);
 142
 143        return 0;
 144}
 145#else
 146static inline void cm_fx6_setup_display(void) {}
 147#endif /* CONFIG_VIDEO_IPUV3 */
 148
 149#ifdef CONFIG_DWC_AHSATA
 150static int cm_fx6_issd_gpios[] = {
 151        /* The order of the GPIOs in the array is important! */
 152        CM_FX6_SATA_LDO_EN,
 153        CM_FX6_SATA_PHY_SLP,
 154        CM_FX6_SATA_NRSTDLY,
 155        CM_FX6_SATA_PWREN,
 156        CM_FX6_SATA_NSTANDBY1,
 157        CM_FX6_SATA_NSTANDBY2,
 158};
 159
 160static void cm_fx6_sata_power(int on)
 161{
 162        int i;
 163
 164        if (!on) { /* tell the iSSD that the power will be removed */
 165                gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1);
 166                mdelay(10);
 167        }
 168
 169        for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
 170                gpio_direction_output(cm_fx6_issd_gpios[i], on);
 171                udelay(100);
 172        }
 173
 174        if (!on) /* for compatibility lower the power loss interrupt */
 175                gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
 176}
 177
 178static iomux_v3_cfg_t const sata_pads[] = {
 179        /* SATA PWR */
 180        IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
 181        IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 182        IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 183        IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 184        /* SATA CTRL */
 185        IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30  | MUX_PAD_CTRL(NO_PAD_CTRL)),
 186        IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 187        IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 188        IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 189        IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 190};
 191
 192static int cm_fx6_setup_issd(void)
 193{
 194        int ret, i;
 195
 196        SETUP_IOMUX_PADS(sata_pads);
 197
 198        for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
 199                ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
 200                if (ret)
 201                        return ret;
 202        }
 203
 204        ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
 205        if (ret)
 206                return ret;
 207
 208        return 0;
 209}
 210
 211#define CM_FX6_SATA_INIT_RETRIES        10
 212
 213#else
 214static int cm_fx6_setup_issd(void) { return 0; }
 215#endif
 216
 217#ifdef CONFIG_SYS_I2C_MXC
 218#define I2C_PAD_CTRL    (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 219                        PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
 220                        PAD_CTL_ODE | PAD_CTL_SRE_FAST)
 221
 222I2C_PADS(i2c0_pads,
 223         PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 224         PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 225         IMX_GPIO_NR(3, 21),
 226         PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 227         PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 228         IMX_GPIO_NR(3, 28));
 229
 230I2C_PADS(i2c1_pads,
 231         PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 232         PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 233         IMX_GPIO_NR(4, 12),
 234         PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 235         PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 236         IMX_GPIO_NR(4, 13));
 237
 238I2C_PADS(i2c2_pads,
 239         PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 240         PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 241         IMX_GPIO_NR(1, 3),
 242         PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 243         PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 244         IMX_GPIO_NR(1, 6));
 245
 246
 247static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
 248{
 249        int ret;
 250
 251        ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
 252        if (ret)
 253                printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
 254
 255        return ret;
 256}
 257
 258static int cm_fx6_setup_i2c(void)
 259{
 260        int ret = 0, err;
 261
 262        /* i2c<x>_pads are wierd macro variables; we can't use an array */
 263        err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads));
 264        if (err)
 265                ret = err;
 266        err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
 267        if (err)
 268                ret = err;
 269        err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
 270        if (err)
 271                ret = err;
 272
 273        return ret;
 274}
 275#else
 276static int cm_fx6_setup_i2c(void) { return 0; }
 277#endif
 278
 279#ifdef CONFIG_USB_EHCI_MX6
 280#define WEAK_PULLDOWN   (PAD_CTL_PUS_100K_DOWN |                \
 281                        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
 282                        PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
 283#define MX6_USBNC_BASEADDR      0x2184800
 284#define USBNC_USB_H1_PWR_POL    (1 << 9)
 285
 286static int cm_fx6_setup_usb_host(void)
 287{
 288        int err;
 289
 290        err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
 291        if (err)
 292                return err;
 293
 294        SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
 295        SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
 296
 297        return 0;
 298}
 299
 300static int cm_fx6_setup_usb_otg(void)
 301{
 302        int err;
 303        struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 304
 305        err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
 306        if (err) {
 307                printf("USB OTG pwr gpio request failed: %d\n", err);
 308                return err;
 309        }
 310
 311        SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
 312        SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID |
 313                                                MUX_PAD_CTRL(WEAK_PULLDOWN));
 314        clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK);
 315        /* disable ext. charger detect, or it'll affect signal quality at dp. */
 316        return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
 317}
 318
 319int board_usb_phy_mode(int port)
 320{
 321        return USB_INIT_HOST;
 322}
 323
 324int board_ehci_hcd_init(int port)
 325{
 326        int ret;
 327        u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
 328
 329        /* Only 1 host controller in use. port 0 is OTG & needs no attention */
 330        if (port != 1)
 331                return 0;
 332
 333        /* Set PWR polarity to match power switch's enable polarity */
 334        setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
 335        ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
 336        if (ret)
 337                return ret;
 338
 339        udelay(10);
 340        ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
 341        if (ret)
 342                return ret;
 343
 344        mdelay(1);
 345
 346        return 0;
 347}
 348
 349int board_ehci_power(int port, int on)
 350{
 351        if (port == 0)
 352                return gpio_direction_output(SB_FX6_USB_OTG_PWR, on);
 353
 354        return 0;
 355}
 356#else
 357static int cm_fx6_setup_usb_otg(void) { return 0; }
 358static int cm_fx6_setup_usb_host(void) { return 0; }
 359#endif
 360
 361#ifdef CONFIG_FEC_MXC
 362#define ENET_PAD_CTRL           (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 363                                 PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 364
 365static int mx6_rgmii_rework(struct phy_device *phydev)
 366{
 367        unsigned short val;
 368
 369        /* Ar8031 phy SmartEEE feature cause link status generates glitch,
 370         * which cause ethernet link down/up issue, so disable SmartEEE
 371         */
 372        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3);
 373        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d);
 374        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003);
 375        val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 376        val &= ~(0x1 << 8);
 377        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 378
 379        /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
 380        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 381        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 382        phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 383
 384        val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 385        val &= 0xffe3;
 386        val |= 0x18;
 387        phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 388
 389        /* introduce tx clock delay */
 390        phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 391        val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 392        val |= 0x0100;
 393        phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
 394
 395        return 0;
 396}
 397
 398int board_phy_config(struct phy_device *phydev)
 399{
 400        mx6_rgmii_rework(phydev);
 401
 402        if (phydev->drv->config)
 403                return phydev->drv->config(phydev);
 404
 405        return 0;
 406}
 407
 408static iomux_v3_cfg_t const enet_pads[] = {
 409        IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 410        IOMUX_PADS(PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 411        IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 412        IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 413        IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 414        IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 415        IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 416        IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 417        IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 418        IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 419        IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 420        IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 421        IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 422        IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 423        IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)),
 424        IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK  |
 425                                                MUX_PAD_CTRL(ENET_PAD_CTRL)),
 426        IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
 427                                                MUX_PAD_CTRL(ENET_PAD_CTRL)),
 428        IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
 429                                                MUX_PAD_CTRL(ENET_PAD_CTRL)),
 430};
 431
 432static int handle_mac_address(char *env_var, uint eeprom_bus)
 433{
 434        unsigned char enetaddr[6];
 435        int rc;
 436
 437        rc = eth_env_get_enetaddr(env_var, enetaddr);
 438        if (rc)
 439                return 0;
 440
 441        rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus);
 442        if (rc)
 443                return rc;
 444
 445        if (!is_valid_ethaddr(enetaddr))
 446                return -1;
 447
 448        return eth_env_set_enetaddr(env_var, enetaddr);
 449}
 450
 451#define SB_FX6_I2C_EEPROM_BUS   0
 452#define NO_MAC_ADDR             "No MAC address found for %s\n"
 453int board_eth_init(bd_t *bis)
 454{
 455        int err;
 456
 457        if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS))
 458                printf(NO_MAC_ADDR, "primary NIC");
 459
 460        if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS))
 461                printf(NO_MAC_ADDR, "secondary NIC");
 462
 463        SETUP_IOMUX_PADS(enet_pads);
 464        /* phy reset */
 465        err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
 466        if (err)
 467                printf("Etnernet NRST gpio request failed: %d\n", err);
 468        gpio_direction_output(CM_FX6_ENET_NRST, 0);
 469        udelay(500);
 470        gpio_set_value(CM_FX6_ENET_NRST, 1);
 471        enable_enet_clk(1);
 472        return cpu_eth_init(bis);
 473}
 474#endif
 475
 476#ifdef CONFIG_NAND_MXS
 477static iomux_v3_cfg_t const nand_pads[] = {
 478        IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
 479        IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
 480        IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 481        IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
 482        IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 483        IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 484        IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 485        IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 486        IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 487        IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 488        IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 489        IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 490        IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
 491        IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
 492};
 493
 494static void cm_fx6_setup_gpmi_nand(void)
 495{
 496        SETUP_IOMUX_PADS(nand_pads);
 497        /* Enable clock roots */
 498        enable_usdhc_clk(1, 3);
 499        enable_usdhc_clk(1, 4);
 500
 501        setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) |
 502                          MXC_CCM_CS2CDR_ENFC_CLK_PRED(1)   |
 503                          MXC_CCM_CS2CDR_ENFC_CLK_SEL(0));
 504}
 505#else
 506static void cm_fx6_setup_gpmi_nand(void) {}
 507#endif
 508
 509#ifdef CONFIG_MXC_SPI
 510int cm_fx6_setup_ecspi(void)
 511{
 512        cm_fx6_set_ecspi_iomux();
 513        return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
 514}
 515#else
 516int cm_fx6_setup_ecspi(void) { return 0; }
 517#endif
 518
 519#ifdef CONFIG_OF_BOARD_SETUP
 520#define USDHC3_PATH     "/soc/aips-bus@02100000/usdhc@02198000/"
 521
 522static const struct node_info nodes[] = {
 523        /*
 524         * Both entries target the same flash chip. The st,m25p compatible
 525         * is used in the vendor device trees, while upstream uses (the
 526         * documented) jedec,spi-nor compatible.
 527         */
 528        { "st,m25p",    MTD_DEV_TYPE_NOR,       },
 529        { "jedec,spi-nor",      MTD_DEV_TYPE_NOR,       },
 530};
 531
 532int ft_board_setup(void *blob, bd_t *bd)
 533{
 534        u32 baseboard_rev;
 535        int nodeoffset;
 536        uint8_t enetaddr[6];
 537        char baseboard_name[16];
 538        int err;
 539
 540        fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */
 541
 542        /* MAC addr */
 543        if (eth_env_get_enetaddr("ethaddr", enetaddr)) {
 544                fdt_find_and_setprop(blob,
 545                                     "/soc/aips-bus@02100000/ethernet@02188000",
 546                                     "local-mac-address", enetaddr, 6, 1);
 547        }
 548
 549        if (eth_env_get_enetaddr("eth1addr", enetaddr)) {
 550                fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address",
 551                                     enetaddr, 6, 1);
 552        }
 553
 554        fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 555
 556        baseboard_rev = cl_eeprom_get_board_rev(0);
 557        err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
 558        if (err || baseboard_rev == 0)
 559                return 0; /* Assume not an early revision SB-FX6m baseboard */
 560
 561        if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) {
 562                nodeoffset = fdt_path_offset(blob, USDHC3_PATH);
 563                fdt_delprop(blob, nodeoffset, "cd-gpios");
 564                fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd",
 565                                     NULL, 0, 1);
 566                fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend",
 567                                     NULL, 0, 1);
 568        }
 569
 570        return 0;
 571}
 572#endif
 573
 574int board_init(void)
 575{
 576        int ret;
 577
 578        gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 579        cm_fx6_setup_gpmi_nand();
 580
 581        ret = cm_fx6_setup_ecspi();
 582        if (ret)
 583                printf("Warning: ECSPI setup failed: %d\n", ret);
 584
 585        ret = cm_fx6_setup_usb_otg();
 586        if (ret)
 587                printf("Warning: USB OTG setup failed: %d\n", ret);
 588
 589        ret = cm_fx6_setup_usb_host();
 590        if (ret)
 591                printf("Warning: USB host setup failed: %d\n", ret);
 592
 593        /*
 594         * cm-fx6 may have iSSD not assembled and in this case it has
 595         * bypasses for a (m)SATA socket on the baseboard. The socketed
 596         * device is not controlled by those GPIOs. So just print a warning
 597         * if the setup fails.
 598         */
 599        ret = cm_fx6_setup_issd();
 600        if (ret)
 601                printf("Warning: iSSD setup failed: %d\n", ret);
 602
 603        /* Warn on failure but do not abort boot */
 604        ret = cm_fx6_setup_i2c();
 605        if (ret)
 606                printf("Warning: I2C setup failed: %d\n", ret);
 607
 608        cm_fx6_setup_display();
 609
 610        /* This should be done in the MMC driver when MX6 has a clock driver */
 611#ifdef CONFIG_FSL_ESDHC
 612        if (IS_ENABLED(CONFIG_BLK)) {
 613                int i;
 614
 615                cm_fx6_set_usdhc_iomux();
 616                for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++)
 617                        enable_usdhc_clk(1, i);
 618        }
 619#endif
 620
 621        return 0;
 622}
 623
 624int board_late_init(void)
 625{
 626#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 627        char baseboard_name[16];
 628        int err;
 629
 630        if (is_mx6dq())
 631                env_set("board_rev", "MX6Q");
 632        else if (is_mx6dl())
 633                env_set("board_rev", "MX6DL");
 634
 635        err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
 636        if (err)
 637                return 0;
 638
 639        if (!strncmp("SB-FX6m", baseboard_name, 7))
 640                env_set("board_name", "Utilite");
 641#endif
 642        return 0;
 643}
 644
 645int checkboard(void)
 646{
 647        puts("Board: CM-FX6\n");
 648        return 0;
 649}
 650
 651int misc_init_r(void)
 652{
 653        cl_print_pcb_info();
 654
 655        return 0;
 656}
 657
 658int dram_init_banksize(void)
 659{
 660        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 661        gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 662
 663        switch (gd->ram_size) {
 664        case 0x10000000: /* DDR_16BIT_256MB */
 665                gd->bd->bi_dram[0].size = 0x10000000;
 666                gd->bd->bi_dram[1].size = 0;
 667                break;
 668        case 0x20000000: /* DDR_32BIT_512MB */
 669                gd->bd->bi_dram[0].size = 0x20000000;
 670                gd->bd->bi_dram[1].size = 0;
 671                break;
 672        case 0x40000000:
 673                if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */
 674                        gd->bd->bi_dram[0].size = 0x20000000;
 675                        gd->bd->bi_dram[1].size = 0x20000000;
 676                } else { /* DDR_64BIT_1GB */
 677                        gd->bd->bi_dram[0].size = 0x40000000;
 678                        gd->bd->bi_dram[1].size = 0;
 679                }
 680                break;
 681        case 0x80000000: /* DDR_64BIT_2GB */
 682                gd->bd->bi_dram[0].size = 0x40000000;
 683                gd->bd->bi_dram[1].size = 0x40000000;
 684                break;
 685        case 0xEFF00000: /* DDR_64BIT_4GB */
 686                gd->bd->bi_dram[0].size = 0x70000000;
 687                gd->bd->bi_dram[1].size = 0x7FF00000;
 688                break;
 689        }
 690
 691        return 0;
 692}
 693
 694int dram_init(void)
 695{
 696        gd->ram_size = imx_ddr_size();
 697        switch (gd->ram_size) {
 698        case 0x10000000:
 699        case 0x20000000:
 700        case 0x40000000:
 701        case 0x80000000:
 702                break;
 703        case 0xF0000000:
 704                gd->ram_size -= 0x100000;
 705                break;
 706        default:
 707                printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size);
 708                return -1;
 709        }
 710
 711        return 0;
 712}
 713
 714u32 get_board_rev(void)
 715{
 716        return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
 717}
 718
 719static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
 720        .reg = (struct mxc_uart *)UART4_BASE,
 721};
 722
 723U_BOOT_DEVICE(cm_fx6_serial) = {
 724        .name   = "serial_mxc",
 725        .platdata = &cm_fx6_mxc_serial_plat,
 726};
 727
 728#if CONFIG_IS_ENABLED(AHCI)
 729static int sata_imx_probe(struct udevice *dev)
 730{
 731        int i, err;
 732
 733        /* Make sure this gpio has logical 0 value */
 734        gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
 735        udelay(100);
 736        cm_fx6_sata_power(1);
 737
 738        for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
 739                err = setup_sata();
 740                if (err) {
 741                        printf("SATA setup failed: %d\n", err);
 742                        return err;
 743                }
 744
 745                udelay(100);
 746
 747                err = dwc_ahsata_probe(dev);
 748                if (!err)
 749                        break;
 750
 751                /* There is no device on the SATA port */
 752                if (sata_dm_port_status(0, 0) == 0)
 753                        break;
 754
 755                /* There's a device, but link not established. Retry */
 756                device_remove(dev, DM_REMOVE_NORMAL);
 757        }
 758
 759        return 0;
 760}
 761
 762static int sata_imx_remove(struct udevice *dev)
 763{
 764        cm_fx6_sata_power(0);
 765        mdelay(250);
 766
 767        return 0;
 768}
 769
 770struct ahci_ops sata_imx_ops = {
 771        .port_status = dwc_ahsata_port_status,
 772        .reset  = dwc_ahsata_bus_reset,
 773        .scan   = dwc_ahsata_scan,
 774};
 775
 776static const struct udevice_id sata_imx_ids[] = {
 777        { .compatible = "fsl,imx6q-ahci" },
 778        { }
 779};
 780
 781U_BOOT_DRIVER(sata_imx) = {
 782        .name           = "dwc_ahci",
 783        .id             = UCLASS_AHCI,
 784        .of_match       = sata_imx_ids,
 785        .ops            = &sata_imx_ops,
 786        .probe          = sata_imx_probe,
 787        .remove         = sata_imx_remove,  /* reset bus to stop it */
 788};
 789#endif /* AHCI */
 790