board/compulab/cm_fx6/cm_fx6.c

   1 /*
   2  * Board functions for Compulab CM-FX6 board
   3  *
   4  * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
   5  *
   6  * Author: Nikita Kiryanov <nikita@compulab.co.il>
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <dm.h>
  13 #include <fsl_esdhc.h>
  14 #include <miiphy.h>
  15 #include <mtd_node.h>
  16 #include <netdev.h>
  17 #include <errno.h>
  18 #include <usb.h>
  19 #include <fdt_support.h>
  20 #include <sata.h>
  21 #include <splash.h>
  22 #include <asm/arch/crm_regs.h>
  23 #include <asm/arch/sys_proto.h>
  24 #include <asm/arch/iomux.h>
  25 #include <asm/arch/mxc_hdmi.h>
  26 #include <asm/mach-imx/mxc_i2c.h>
  27 #include <asm/mach-imx/sata.h>
  28 #include <asm/mach-imx/video.h>
  29 #include <asm/io.h>
  30 #include <asm/gpio.h>
  31 #include <dm/platform_data/serial_mxc.h>
  32 #include <jffs2/load_kernel.h>
  33 #include "common.h"
  34 #include "../common/eeprom.h"
  35 #include "../common/common.h"
  36
  37 DECLARE_GLOBAL_DATA_PTR;
  38
  39 #ifdef CONFIG_SPLASH_SCREEN
  40 static struct splash_location cm_fx6_splash_locations[] = {
  41         {
  42                 .name = "sf",
  43                 .storage = SPLASH_STORAGE_SF,
  44                 .flags = SPLASH_STORAGE_RAW,
  45                 .offset = 0x100000,
  46         },
  47         {
  48                 .name = "mmc_fs",
  49                 .storage = SPLASH_STORAGE_MMC,
  50                 .flags = SPLASH_STORAGE_FS,
  51                 .devpart = "2:1",
  52         },
  53         {
  54                 .name = "usb_fs",
  55                 .storage = SPLASH_STORAGE_USB,
  56                 .flags = SPLASH_STORAGE_FS,
  57                 .devpart = "0:1",
  58         },
  59         {
  60                 .name = "sata_fs",
  61                 .storage = SPLASH_STORAGE_SATA,
  62                 .flags = SPLASH_STORAGE_FS,
  63                 .devpart = "0:1",
  64         },
  65 };
  66
  67 int splash_screen_prepare(void)
  68 {
  69         return splash_source_load(cm_fx6_splash_locations,
  70                                   ARRAY_SIZE(cm_fx6_splash_locations));
  71 }
  72 #endif
  73
  74 #ifdef CONFIG_IMX_HDMI
  75 static void cm_fx6_enable_hdmi(struct display_info_t const *dev)
  76 {
  77         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  78         imx_setup_hdmi();
  79         setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
  80         imx_enable_hdmi_phy();
  81 }
  82
  83 static struct display_info_t preset_hdmi_1024X768 = {
  84         .bus    = -1,
  85         .addr   = 0,
  86         .pixfmt = IPU_PIX_FMT_RGB24,
  87         .enable = cm_fx6_enable_hdmi,
  88         .mode   = {
  89                 .name           = "HDMI",
  90                 .refresh        = 60,
  91                 .xres           = 1024,
  92                 .yres           = 768,
  93                 .pixclock       = 40385,
  94                 .left_margin    = 220,
  95                 .right_margin   = 40,
  96                 .upper_margin   = 21,
  97                 .lower_margin   = 7,
  98                 .hsync_len      = 60,
  99                 .vsync_len      = 10,
 100                 .sync           = FB_SYNC_EXT,
 101                 .vmode          = FB_VMODE_NONINTERLACED,
 102         }
 103 };
 104
 105 static void cm_fx6_setup_display(void)
 106 {
 107         struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
 108
 109         enable_ipu_clock();
 110         clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK);
 111 }
 112
 113 int board_video_skip(void)
 114 {
 115         int ret;
 116         struct display_info_t *preset;
 117         char const *panel = env_get("displaytype");
 118
 119         if (!panel) /* Also accept panel for backward compatibility */
 120                 panel = env_get("panel");
 121
 122         if (!panel)
 123                 return -ENOENT;
 124
 125         if (!strcmp(panel, "HDMI"))
 126                 preset = &preset_hdmi_1024X768;
 127         else
 128                 return -EINVAL;
 129
 130         ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt);
 131         if (ret) {
 132                 printf("Can't init display %s: %d\n", preset->mode.name, ret);
 133                 return ret;
 134         }
 135
 136         preset->enable(preset);
 137         printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres,
 138                preset->mode.yres);
 139
 140         return 0;
 141 }
 142 #else
 143 static inline void cm_fx6_setup_display(void) {}
 144 #endif /* CONFIG_VIDEO_IPUV3 */
 145
 146 #ifdef CONFIG_DWC_AHSATA
 147 static int cm_fx6_issd_gpios[] = {
 148         /* The order of the GPIOs in the array is important! */
 149         CM_FX6_SATA_LDO_EN,
 150         CM_FX6_SATA_PHY_SLP,
 151         CM_FX6_SATA_NRSTDLY,
 152         CM_FX6_SATA_PWREN,
 153         CM_FX6_SATA_NSTANDBY1,
 154         CM_FX6_SATA_NSTANDBY2,
 155 };
 156
 157 static void cm_fx6_sata_power(int on)
 158 {
 159         int i;
 160
 161         if (!on) { /* tell the iSSD that the power will be removed */
 162                 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1);
 163                 mdelay(10);
 164         }
 165
 166         for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
 167                 gpio_direction_output(cm_fx6_issd_gpios[i], on);
 168                 udelay(100);
 169         }
 170
 171         if (!on) /* for compatibility lower the power loss interrupt */
 172                 gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
 173 }
 174
 175 static iomux_v3_cfg_t const sata_pads[] = {
 176         /* SATA PWR */
 177         IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
 178         IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 179         IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 180         IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 181         /* SATA CTRL */
 182         IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30  | MUX_PAD_CTRL(NO_PAD_CTRL)),
 183         IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 184         IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 185         IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 186         IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 187 };
 188
 189 static int cm_fx6_setup_issd(void)
 190 {
 191         int ret, i;
 192
 193         SETUP_IOMUX_PADS(sata_pads);
 194
 195         for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) {
 196                 ret = gpio_request(cm_fx6_issd_gpios[i], "sata");
 197                 if (ret)
 198                         return ret;
 199         }
 200
 201         ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int");
 202         if (ret)
 203                 return ret;
 204
 205         return 0;
 206 }
 207
 208 #define CM_FX6_SATA_INIT_RETRIES        10
 209 int sata_initialize(void)
 210 {
 211         int err, i;
 212
 213         /* Make sure this gpio has logical 0 value */
 214         gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0);
 215         udelay(100);
 216         cm_fx6_sata_power(1);
 217
 218         for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) {
 219                 err = setup_sata();
 220                 if (err) {
 221                         printf("SATA setup failed: %d\n", err);
 222                         return err;
 223                 }
 224
 225                 udelay(100);
 226
 227                 err = __sata_initialize();
 228                 if (!err)
 229                         break;
 230
 231                 /* There is no device on the SATA port */
 232                 if (sata_port_status(0, 0) == 0)
 233                         break;
 234
 235                 /* There's a device, but link not established. Retry */
 236         }
 237
 238         return err;
 239 }
 240
 241 int sata_stop(void)
 242 {
 243         __sata_stop();
 244         cm_fx6_sata_power(0);
 245         mdelay(250);
 246
 247         return 0;
 248 }
 249 #else
 250 static int cm_fx6_setup_issd(void) { return 0; }
 251 #endif
 252
 253 #ifdef CONFIG_SYS_I2C_MXC
 254 #define I2C_PAD_CTRL    (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 255                         PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
 256                         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
 257
 258 I2C_PADS(i2c0_pads,
 259          PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 260          PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 261          IMX_GPIO_NR(3, 21),
 262          PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 263          PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 264          IMX_GPIO_NR(3, 28));
 265
 266 I2C_PADS(i2c1_pads,
 267          PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 268          PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 269          IMX_GPIO_NR(4, 12),
 270          PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 271          PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 272          IMX_GPIO_NR(4, 13));
 273
 274 I2C_PADS(i2c2_pads,
 275          PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL),
 276          PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 277          IMX_GPIO_NR(1, 3),
 278          PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL),
 279          PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL),
 280          IMX_GPIO_NR(1, 6));
 281
 282
 283 static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads)
 284 {
 285         int ret;
 286
 287         ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads);
 288         if (ret)
 289                 printf("Warning: I2C%d setup failed: %d\n", busnum, ret);
 290
 291         return ret;
 292 }
 293
 294 static int cm_fx6_setup_i2c(void)
 295 {
 296         int ret = 0, err;
 297
 298         /* i2c<x>_pads are wierd macro variables; we can't use an array */
 299         err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads));
 300         if (err)
 301                 ret = err;
 302         err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads));
 303         if (err)
 304                 ret = err;
 305         err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads));
 306         if (err)
 307                 ret = err;
 308
 309         return ret;
 310 }
 311 #else
 312 static int cm_fx6_setup_i2c(void) { return 0; }
 313 #endif
 314
 315 #ifdef CONFIG_USB_EHCI_MX6
 316 #define WEAK_PULLDOWN   (PAD_CTL_PUS_100K_DOWN |                \
 317                         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
 318                         PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
 319 #define MX6_USBNC_BASEADDR      0x2184800
 320 #define USBNC_USB_H1_PWR_POL    (1 << 9)
 321
 322 static int cm_fx6_setup_usb_host(void)
 323 {
 324         int err;
 325
 326         err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
 327         if (err)
 328                 return err;
 329
 330         SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
 331         SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
 332
 333         return 0;
 334 }
 335
 336 static int cm_fx6_setup_usb_otg(void)
 337 {
 338         int err;
 339         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 340
 341         err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
 342         if (err) {
 343                 printf("USB OTG pwr gpio request failed: %d\n", err);
 344                 return err;
 345         }
 346
 347         SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
 348         SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID |
 349                                                 MUX_PAD_CTRL(WEAK_PULLDOWN));
 350         clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK);
 351         /* disable ext. charger detect, or it'll affect signal quality at dp. */
 352         return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
 353 }
 354
 355 int board_usb_phy_mode(int port)
 356 {
 357         return USB_INIT_HOST;
 358 }
 359
 360 int board_ehci_hcd_init(int port)
 361 {
 362         int ret;
 363         u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);
 364
 365         /* Only 1 host controller in use. port 0 is OTG & needs no attention */
 366         if (port != 1)
 367                 return 0;
 368
 369         /* Set PWR polarity to match power switch's enable polarity */
 370         setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
 371         ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
 372         if (ret)
 373                 return ret;
 374
 375         udelay(10);
 376         ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
 377         if (ret)
 378                 return ret;
 379
 380         mdelay(1);
 381
 382         return 0;
 383 }
 384
 385 int board_ehci_power(int port, int on)
 386 {
 387         if (port == 0)
 388                 return gpio_direction_output(SB_FX6_USB_OTG_PWR, on);
 389
 390         return 0;
 391 }
 392 #else
 393 static int cm_fx6_setup_usb_otg(void) { return 0; }
 394 static int cm_fx6_setup_usb_host(void) { return 0; }
 395 #endif
 396
 397 #ifdef CONFIG_FEC_MXC
 398 #define ENET_PAD_CTRL           (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
 399                                  PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 400
 401 static int mx6_rgmii_rework(struct phy_device *phydev)
 402 {
 403         unsigned short val;
 404
 405         /* Ar8031 phy SmartEEE feature cause link status generates glitch,
 406          * which cause ethernet link down/up issue, so disable SmartEEE
 407          */
 408         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3);
 409         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d);
 410         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003);
 411         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 412         val &= ~(0x1 << 8);
 413         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 414
 415         /* To enable AR8031 ouput a 125MHz clk from CLK_25M */
 416         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 417         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 418         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 419
 420         val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 421         val &= 0xffe3;
 422         val |= 0x18;
 423         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
 424
 425         /* introduce tx clock delay */
 426         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 427         val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 428         val |= 0x0100;
 429         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
 430
 431         return 0;
 432 }
 433
 434 int board_phy_config(struct phy_device *phydev)
 435 {
 436         mx6_rgmii_rework(phydev);
 437
 438         if (phydev->drv->config)
 439                 return phydev->drv->config(phydev);
 440
 441         return 0;
 442 }
 443
 444 static iomux_v3_cfg_t const enet_pads[] = {
 445         IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 446         IOMUX_PADS(PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 447         IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 448         IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 449         IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 450         IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 451         IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 452         IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 453         IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 454         IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 455         IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 456         IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
 457         IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 458         IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2    | MUX_PAD_CTRL(NO_PAD_CTRL)),
 459         IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)),
 460         IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK  |
 461                                                 MUX_PAD_CTRL(ENET_PAD_CTRL)),
 462         IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
 463                                                 MUX_PAD_CTRL(ENET_PAD_CTRL)),
 464         IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
 465                                                 MUX_PAD_CTRL(ENET_PAD_CTRL)),
 466 };
 467
 468 static int handle_mac_address(char *env_var, uint eeprom_bus)
 469 {
 470         unsigned char enetaddr[6];
 471         int rc;
 472
 473         rc = eth_getenv_enetaddr(env_var, enetaddr);
 474         if (rc)
 475                 return 0;
 476
 477         rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus);
 478         if (rc)
 479                 return rc;
 480
 481         if (!is_valid_ethaddr(enetaddr))
 482                 return -1;
 483
 484         return eth_env_set_enetaddr(env_var, enetaddr);
 485 }
 486
 487 #define SB_FX6_I2C_EEPROM_BUS   0
 488 #define NO_MAC_ADDR             "No MAC address found for %s\n"
 489 int board_eth_init(bd_t *bis)
 490 {
 491         int err;
 492
 493         if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS))
 494                 printf(NO_MAC_ADDR, "primary NIC");
 495
 496         if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS))
 497                 printf(NO_MAC_ADDR, "secondary NIC");
 498
 499         SETUP_IOMUX_PADS(enet_pads);
 500         /* phy reset */
 501         err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst");
 502         if (err)
 503                 printf("Etnernet NRST gpio request failed: %d\n", err);
 504         gpio_direction_output(CM_FX6_ENET_NRST, 0);
 505         udelay(500);
 506         gpio_set_value(CM_FX6_ENET_NRST, 1);
 507         enable_enet_clk(1);
 508         return cpu_eth_init(bis);
 509 }
 510 #endif
 511
 512 #ifdef CONFIG_NAND_MXS
 513 static iomux_v3_cfg_t const nand_pads[] = {
 514         IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
 515         IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE     | MUX_PAD_CTRL(NO_PAD_CTRL)),
 516         IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 517         IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
 518         IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 519         IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 520         IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 521         IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 522         IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 523         IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 524         IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 525         IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07   | MUX_PAD_CTRL(NO_PAD_CTRL)),
 526         IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
 527         IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B      | MUX_PAD_CTRL(NO_PAD_CTRL)),
 528 };
 529
 530 static void cm_fx6_setup_gpmi_nand(void)
 531 {
 532         SETUP_IOMUX_PADS(nand_pads);
 533         /* Enable clock roots */
 534         enable_usdhc_clk(1, 3);
 535         enable_usdhc_clk(1, 4);
 536
 537         setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) |
 538                           MXC_CCM_CS2CDR_ENFC_CLK_PRED(1)   |
 539                           MXC_CCM_CS2CDR_ENFC_CLK_SEL(0));
 540 }
 541 #else
 542 static void cm_fx6_setup_gpmi_nand(void) {}
 543 #endif
 544
 545 #ifdef CONFIG_FSL_ESDHC
 546 static struct fsl_esdhc_cfg usdhc_cfg[3] = {
 547         {USDHC1_BASE_ADDR},
 548         {USDHC2_BASE_ADDR},
 549         {USDHC3_BASE_ADDR},
 550 };
 551
 552 static enum mxc_clock usdhc_clk[3] = {
 553         MXC_ESDHC_CLK,
 554         MXC_ESDHC2_CLK,
 555         MXC_ESDHC3_CLK,
 556 };
 557
 558 int board_mmc_init(bd_t *bis)
 559 {
 560         int i;
 561
 562         cm_fx6_set_usdhc_iomux();
 563         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 564                 usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]);
 565                 usdhc_cfg[i].max_bus_width = 4;
 566                 fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 567                 enable_usdhc_clk(1, i);
 568         }
 569
 570         return 0;
 571 }
 572 #endif
 573
 574 #ifdef CONFIG_MXC_SPI
 575 int cm_fx6_setup_ecspi(void)
 576 {
 577         cm_fx6_set_ecspi_iomux();
 578         return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0");
 579 }
 580 #else
 581 int cm_fx6_setup_ecspi(void) { return 0; }
 582 #endif
 583
 584 #ifdef CONFIG_OF_BOARD_SETUP
 585 #define USDHC3_PATH     "/soc/aips-bus@02100000/usdhc@02198000/"
 586
 587 struct node_info nodes[] = {
 588         /*
 589          * Both entries target the same flash chip. The st,m25p compatible
 590          * is used in the vendor device trees, while upstream uses (the
 591          * documented) jedec,spi-nor compatible.
 592          */
 593         { "st,m25p",    MTD_DEV_TYPE_NOR,       },
 594         { "jedec,spi-nor",      MTD_DEV_TYPE_NOR,       },
 595 };
 596
 597 int ft_board_setup(void *blob, bd_t *bd)
 598 {
 599         u32 baseboard_rev;
 600         int nodeoffset;
 601         uint8_t enetaddr[6];
 602         char baseboard_name[16];
 603         int err;
 604
 605         fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */
 606
 607         /* MAC addr */
 608         if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
 609                 fdt_find_and_setprop(blob,
 610                                      "/soc/aips-bus@02100000/ethernet@02188000",
 611                                      "local-mac-address", enetaddr, 6, 1);
 612         }
 613
 614         if (eth_getenv_enetaddr("eth1addr", enetaddr)) {
 615                 fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address",
 616                                      enetaddr, 6, 1);
 617         }
 618
 619         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 620
 621         baseboard_rev = cl_eeprom_get_board_rev(0);
 622         err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0);
 623         if (err || baseboard_rev == 0)
 624                 return 0; /* Assume not an early revision SB-FX6m baseboard */
 625
 626         if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) {
 627                 nodeoffset = fdt_path_offset(blob, USDHC3_PATH);
 628                 fdt_delprop(blob, nodeoffset, "cd-gpios");
 629                 fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd",
 630                                      NULL, 0, 1);
 631                 fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend",
 632                                      NULL, 0, 1);
 633         }
 634
 635         return 0;
 636 }
 637 #endif
 638
 639 int board_init(void)
 640 {
 641         int ret;
 642
 643         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
 644         cm_fx6_setup_gpmi_nand();
 645
 646         ret = cm_fx6_setup_ecspi();
 647         if (ret)
 648                 printf("Warning: ECSPI setup failed: %d\n", ret);
 649
 650         ret = cm_fx6_setup_usb_otg();
 651         if (ret)
 652                 printf("Warning: USB OTG setup failed: %d\n", ret);
 653
 654         ret = cm_fx6_setup_usb_host();
 655         if (ret)
 656                 printf("Warning: USB host setup failed: %d\n", ret);
 657
 658         /*
 659          * cm-fx6 may have iSSD not assembled and in this case it has
 660          * bypasses for a (m)SATA socket on the baseboard. The socketed
 661          * device is not controlled by those GPIOs. So just print a warning
 662          * if the setup fails.
 663          */
 664         ret = cm_fx6_setup_issd();
 665         if (ret)
 666                 printf("Warning: iSSD setup failed: %d\n", ret);
 667
 668         /* Warn on failure but do not abort boot */
 669         ret = cm_fx6_setup_i2c();
 670         if (ret)
 671                 printf("Warning: I2C setup failed: %d\n", ret);
 672
 673         cm_fx6_setup_display();
 674
 675         return 0;
 676 }
 677
 678 int checkboard(void)
 679 {
 680         puts("Board: CM-FX6\n");
 681         return 0;
 682 }
 683
 684 int misc_init_r(void)
 685 {
 686         cl_print_pcb_info();
 687
 688         return 0;
 689 }
 690
 691 int dram_init_banksize(void)
 692 {
 693         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 694         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
 695
 696         switch (gd->ram_size) {
 697         case 0x10000000: /* DDR_16BIT_256MB */
 698                 gd->bd->bi_dram[0].size = 0x10000000;
 699                 gd->bd->bi_dram[1].size = 0;
 700                 break;
 701         case 0x20000000: /* DDR_32BIT_512MB */
 702                 gd->bd->bi_dram[0].size = 0x20000000;
 703                 gd->bd->bi_dram[1].size = 0;
 704                 break;
 705         case 0x40000000:
 706                 if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */
 707                         gd->bd->bi_dram[0].size = 0x20000000;
 708                         gd->bd->bi_dram[1].size = 0x20000000;
 709                 } else { /* DDR_64BIT_1GB */
 710                         gd->bd->bi_dram[0].size = 0x40000000;
 711                         gd->bd->bi_dram[1].size = 0;
 712                 }
 713                 break;
 714         case 0x80000000: /* DDR_64BIT_2GB */
 715                 gd->bd->bi_dram[0].size = 0x40000000;
 716                 gd->bd->bi_dram[1].size = 0x40000000;
 717                 break;
 718         case 0xEFF00000: /* DDR_64BIT_4GB */
 719                 gd->bd->bi_dram[0].size = 0x70000000;
 720                 gd->bd->bi_dram[1].size = 0x7FF00000;
 721                 break;
 722         }
 723
 724         return 0;
 725 }
 726
 727 int dram_init(void)
 728 {
 729         gd->ram_size = imx_ddr_size();
 730         switch (gd->ram_size) {
 731         case 0x10000000:
 732         case 0x20000000:
 733         case 0x40000000:
 734         case 0x80000000:
 735                 break;
 736         case 0xF0000000:
 737                 gd->ram_size -= 0x100000;
 738                 break;
 739         default:
 740                 printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size);
 741                 return -1;
 742         }
 743
 744         return 0;
 745 }
 746
 747 u32 get_board_rev(void)
 748 {
 749         return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS);
 750 }
 751
 752 static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = {
 753         .reg = (struct mxc_uart *)UART4_BASE,
 754 };
 755
 756 U_BOOT_DEVICE(cm_fx6_serial) = {
 757         .name   = "serial_mxc",
 758         .platdata = &cm_fx6_mxc_serial_plat,
 759 };