board/ge/bx50v3/bx50v3.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright 2015 Timesys Corporation
   4  * Copyright 2015 General Electric Company
   5  * Copyright 2012 Freescale Semiconductor, Inc.
   6  */
   7
   8 #include <asm/arch/clock.h>
   9 #include <asm/arch/imx-regs.h>
  10 #include <asm/arch/iomux.h>
  11 #include <asm/arch/mx6-pins.h>
  12 #include <linux/errno.h>
  13 #include <asm/gpio.h>
  14 #include <asm/mach-imx/mxc_i2c.h>
  15 #include <asm/mach-imx/iomux-v3.h>
  16 #include <asm/mach-imx/boot_mode.h>
  17 #include <asm/mach-imx/video.h>
  18 #include <mmc.h>
  19 #include <fsl_esdhc.h>
  20 #include <miiphy.h>
  21 #include <net.h>
  22 #include <netdev.h>
  23 #include <asm/arch/mxc_hdmi.h>
  24 #include <asm/arch/crm_regs.h>
  25 #include <asm/io.h>
  26 #include <asm/arch/sys_proto.h>
  27 #include <i2c.h>
  28 #include <input.h>
  29 #include <pwm.h>
  30 #include <stdlib.h>
  31 #include "../common/ge_common.h"
  32 #include "../common/vpd_reader.h"
  33 #include "../../../drivers/net/e1000.h"
  34 DECLARE_GLOBAL_DATA_PTR;
  35
  36 struct vpd_cache;
  37
  38 static int confidx = 3;  /* Default to b850v3. */
  39 static struct vpd_cache vpd;
  40
  41 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP |      \
  42         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
  43         PAD_CTL_HYS)
  44
  45 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                   \
  46         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |                 \
  47         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  48
  49 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                    \
  50         PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
  51         PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
  52
  53 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \
  54         PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
  55
  56 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
  57         PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
  58
  59 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  60         PAD_CTL_SPEED_HIGH   | PAD_CTL_SRE_FAST)
  61
  62 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
  63                       PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  64
  65 #define I2C_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                    \
  66         PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
  67         PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  68
  69 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
  70
  71 int dram_init(void)
  72 {
  73         gd->ram_size = imx_ddr_size();
  74
  75         return 0;
  76 }
  77
  78 static iomux_v3_cfg_t const uart3_pads[] = {
  79         MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  80         MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
  81         MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  82         MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  83 };
  84
  85 static iomux_v3_cfg_t const uart4_pads[] = {
  86         MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  87         MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
  88 };
  89
  90 static iomux_v3_cfg_t const enet_pads[] = {
  91         MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
  92         MX6_PAD_ENET_MDC__ENET_MDC   | MUX_PAD_CTRL(ENET_PAD_CTRL),
  93         MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
  94         MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  95         MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  96         MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  97         MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
  98         MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
  99         MX6_PAD_ENET_REF_CLK__ENET_TX_CLK  | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
 100         MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 101         MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 102         MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 103         MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 104         MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 105         MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 106         /* AR8033 PHY Reset */
 107         MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
 108 };
 109
 110 static void setup_iomux_enet(void)
 111 {
 112         imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
 113
 114         /* Reset AR8033 PHY */
 115         gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
 116         mdelay(10);
 117         gpio_set_value(IMX_GPIO_NR(1, 28), 1);
 118         mdelay(1);
 119 }
 120
 121 static iomux_v3_cfg_t const usdhc2_pads[] = {
 122         MX6_PAD_SD2_CLK__SD2_CLK        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 123         MX6_PAD_SD2_CMD__SD2_CMD        | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 124         MX6_PAD_SD2_DAT0__SD2_DATA0     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 125         MX6_PAD_SD2_DAT1__SD2_DATA1     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 126         MX6_PAD_SD2_DAT2__SD2_DATA2     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 127         MX6_PAD_SD2_DAT3__SD2_DATA3     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 128         MX6_PAD_GPIO_4__GPIO1_IO04      | MUX_PAD_CTRL(NO_PAD_CTRL),
 129 };
 130
 131 static iomux_v3_cfg_t const usdhc3_pads[] = {
 132         MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 133         MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 134         MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 135         MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 136         MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 137         MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 138         MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 139         MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 140         MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 141         MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 142         MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 143 };
 144
 145 static iomux_v3_cfg_t const usdhc4_pads[] = {
 146         MX6_PAD_SD4_CLK__SD4_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 147         MX6_PAD_SD4_CMD__SD4_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 148         MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 149         MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 150         MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 151         MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 152         MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 153         MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 154         MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 155         MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
 156         MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
 157         MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
 158 };
 159
 160 static iomux_v3_cfg_t const ecspi1_pads[] = {
 161         MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
 162         MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
 163         MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
 164         MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
 165 };
 166
 167 static struct i2c_pads_info i2c_pad_info1 = {
 168         .scl = {
 169                 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
 170                 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
 171                 .gp = IMX_GPIO_NR(5, 27)
 172         },
 173         .sda = {
 174                 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
 175                 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
 176                 .gp = IMX_GPIO_NR(5, 26)
 177         }
 178 };
 179
 180 static struct i2c_pads_info i2c_pad_info2 = {
 181         .scl = {
 182                 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
 183                 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
 184                 .gp = IMX_GPIO_NR(4, 12)
 185         },
 186         .sda = {
 187                 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
 188                 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
 189                 .gp = IMX_GPIO_NR(4, 13)
 190         }
 191 };
 192
 193 static struct i2c_pads_info i2c_pad_info3 = {
 194         .scl = {
 195                 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
 196                 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
 197                 .gp = IMX_GPIO_NR(1, 3)
 198         },
 199         .sda = {
 200                 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
 201                 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
 202                 .gp = IMX_GPIO_NR(1, 6)
 203         }
 204 };
 205
 206 #ifdef CONFIG_MXC_SPI
 207 int board_spi_cs_gpio(unsigned bus, unsigned cs)
 208 {
 209         return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
 210 }
 211
 212 static void setup_spi(void)
 213 {
 214         imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
 215 }
 216 #endif
 217
 218 static iomux_v3_cfg_t const pcie_pads[] = {
 219         MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
 220         MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
 221 };
 222
 223 static void setup_pcie(void)
 224 {
 225         imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
 226 }
 227
 228 static void setup_iomux_uart(void)
 229 {
 230         imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
 231         imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
 232 }
 233
 234 #ifdef CONFIG_FSL_ESDHC
 235 struct fsl_esdhc_cfg usdhc_cfg[3] = {
 236         {USDHC2_BASE_ADDR},
 237         {USDHC3_BASE_ADDR},
 238         {USDHC4_BASE_ADDR},
 239 };
 240
 241 #define USDHC2_CD_GPIO  IMX_GPIO_NR(1, 4)
 242 #define USDHC4_CD_GPIO  IMX_GPIO_NR(6, 11)
 243
 244 int board_mmc_getcd(struct mmc *mmc)
 245 {
 246         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 247         int ret = 0;
 248
 249         switch (cfg->esdhc_base) {
 250         case USDHC2_BASE_ADDR:
 251                 ret = !gpio_get_value(USDHC2_CD_GPIO);
 252                 break;
 253         case USDHC3_BASE_ADDR:
 254                 ret = 1; /* eMMC is always present */
 255                 break;
 256         case USDHC4_BASE_ADDR:
 257                 ret = !gpio_get_value(USDHC4_CD_GPIO);
 258                 break;
 259         }
 260
 261         return ret;
 262 }
 263
 264 int board_mmc_init(bd_t *bis)
 265 {
 266         int ret;
 267         int i;
 268
 269         for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
 270                 switch (i) {
 271                 case 0:
 272                         imx_iomux_v3_setup_multiple_pads(
 273                                 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
 274                         gpio_direction_input(USDHC2_CD_GPIO);
 275                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
 276                         break;
 277                 case 1:
 278                         imx_iomux_v3_setup_multiple_pads(
 279                                 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
 280                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 281                         break;
 282                 case 2:
 283                         imx_iomux_v3_setup_multiple_pads(
 284                                 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
 285                         gpio_direction_input(USDHC4_CD_GPIO);
 286                         usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 287                         break;
 288                 default:
 289                         printf("Warning: you configured more USDHC controllers\n"
 290                                "(%d) then supported by the board (%d)\n",
 291                                i + 1, CONFIG_SYS_FSL_USDHC_NUM);
 292                         return -EINVAL;
 293                 }
 294
 295                 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
 296                 if (ret)
 297                         return ret;
 298         }
 299
 300         return 0;
 301 }
 302 #endif
 303
 304 static int mx6_rgmii_rework(struct phy_device *phydev)
 305 {
 306         /* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
 307         /* set device address 0x7 */
 308         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 309         /* offset 0x8016: CLK_25M Clock Select */
 310         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 311         /* enable register write, no post increment, address 0x7 */
 312         phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
 313         /* set to 125 MHz from local PLL source */
 314         phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
 315
 316         /* rgmii tx clock delay enable */
 317         /* set debug port address: SerDes Test and System Mode Control */
 318         phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
 319         /* enable rgmii tx clock delay */
 320         /* set the reserved bits to avoid board specific voltage peak issue*/
 321         phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
 322
 323         return 0;
 324 }
 325
 326 int board_phy_config(struct phy_device *phydev)
 327 {
 328         mx6_rgmii_rework(phydev);
 329
 330         if (phydev->drv->config)
 331                 phydev->drv->config(phydev);
 332
 333         return 0;
 334 }
 335
 336 #if defined(CONFIG_VIDEO_IPUV3)
 337 static iomux_v3_cfg_t const backlight_pads[] = {
 338         /* Power for LVDS Display */
 339         MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
 340 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
 341         /* Backlight enable for LVDS display */
 342         MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
 343 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
 344         /* backlight PWM brightness control */
 345         MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
 346 };
 347
 348 static void do_enable_hdmi(struct display_info_t const *dev)
 349 {
 350         imx_enable_hdmi_phy();
 351 }
 352
 353 int board_cfb_skip(void)
 354 {
 355         gpio_direction_output(LVDS_POWER_GP, 1);
 356
 357         return 0;
 358 }
 359
 360 static int is_b850v3(void)
 361 {
 362         return confidx == 3;
 363 }
 364
 365 static int detect_lcd(struct display_info_t const *dev)
 366 {
 367         return !is_b850v3();
 368 }
 369
 370 struct display_info_t const displays[] = {{
 371         .bus    = -1,
 372         .addr   = -1,
 373         .pixfmt = IPU_PIX_FMT_RGB24,
 374         .detect = detect_lcd,
 375         .enable = NULL,
 376         .mode   = {
 377                 .name           = "G121X1-L03",
 378                 .refresh        = 60,
 379                 .xres           = 1024,
 380                 .yres           = 768,
 381                 .pixclock       = 15385,
 382                 .left_margin    = 20,
 383                 .right_margin   = 300,
 384                 .upper_margin   = 30,
 385                 .lower_margin   = 8,
 386                 .hsync_len      = 1,
 387                 .vsync_len      = 1,
 388                 .sync           = FB_SYNC_EXT,
 389                 .vmode          = FB_VMODE_NONINTERLACED
 390 } }, {
 391         .bus    = -1,
 392         .addr   = 3,
 393         .pixfmt = IPU_PIX_FMT_RGB24,
 394         .detect = detect_hdmi,
 395         .enable = do_enable_hdmi,
 396         .mode   = {
 397                 .name           = "HDMI",
 398                 .refresh        = 60,
 399                 .xres           = 1024,
 400                 .yres           = 768,
 401                 .pixclock       = 15385,
 402                 .left_margin    = 220,
 403                 .right_margin   = 40,
 404                 .upper_margin   = 21,
 405                 .lower_margin   = 7,
 406                 .hsync_len      = 60,
 407                 .vsync_len      = 10,
 408                 .sync           = FB_SYNC_EXT,
 409                 .vmode          = FB_VMODE_NONINTERLACED
 410 } } };
 411 size_t display_count = ARRAY_SIZE(displays);
 412
 413 static void enable_videopll(void)
 414 {
 415         struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 416         s32 timeout = 100000;
 417
 418         setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 419
 420         /* PLL_VIDEO  455MHz (24MHz * (37+11/12) / 2)
 421          *   |
 422          * PLL5
 423          *   |
 424          * CS2CDR[LDB_DI0_CLK_SEL]
 425          *   |
 426          *   +----> LDB_DI0_SERIAL_CLK_ROOT
 427          *   |
 428          *   +--> CSCMR2[LDB_DI0_IPU_DIV] --> LDB_DI0_IPU  455 / 7 = 65 MHz
 429          */
 430
 431         clrsetbits_le32(&ccm->analog_pll_video,
 432                         BM_ANADIG_PLL_VIDEO_DIV_SELECT |
 433                         BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
 434                         BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
 435                         BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1));
 436
 437         writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
 438         writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
 439
 440         clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
 441
 442         while (timeout--)
 443                 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
 444                         break;
 445
 446         if (timeout < 0)
 447                 printf("Warning: video pll lock timeout!\n");
 448
 449         clrsetbits_le32(&ccm->analog_pll_video,
 450                         BM_ANADIG_PLL_VIDEO_BYPASS,
 451                         BM_ANADIG_PLL_VIDEO_ENABLE);
 452 }
 453
 454 static void setup_display_b850v3(void)
 455 {
 456         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 457         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 458
 459         enable_videopll();
 460
 461         /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 462         setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 463
 464         imx_setup_hdmi();
 465
 466         /* Set LDB_DI0 as clock source for IPU_DI0 */
 467         clrsetbits_le32(&mxc_ccm->chsccdr,
 468                         MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 469                         (CHSCCDR_CLK_SEL_LDB_DI0 <<
 470                          MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 471
 472         /* Turn on IPU LDB DI0 clocks */
 473         setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 474
 475         enable_ipu_clock();
 476
 477         writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 478                IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
 479                IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 480                IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
 481                IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
 482                IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 483                IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 484                IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
 485                IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
 486                IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
 487                &iomux->gpr[2]);
 488
 489         clrbits_le32(&iomux->gpr[3],
 490                      IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
 491                      IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
 492                      IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
 493 }
 494
 495 static void setup_display_bx50v3(void)
 496 {
 497         struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 498         struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
 499
 500         enable_videopll();
 501
 502         /* When a reset/reboot is performed the display power needs to be turned
 503          * off for atleast 500ms. The boot time is ~300ms, we need to wait for
 504          * an additional 200ms here. Unfortunately we use external PMIC for
 505          * doing the reset, so can not differentiate between POR vs soft reset
 506          */
 507         mdelay(200);
 508
 509         /* IPU1 DI0 clock is 455MHz / 7 = 65MHz */
 510         setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
 511
 512         /* Set LDB_DI0 as clock source for IPU_DI0 */
 513         clrsetbits_le32(&mxc_ccm->chsccdr,
 514                         MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
 515                         (CHSCCDR_CLK_SEL_LDB_DI0 <<
 516                         MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
 517
 518         /* Turn on IPU LDB DI0 clocks */
 519         setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
 520
 521         enable_ipu_clock();
 522
 523         writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
 524                IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
 525                IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
 526                IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
 527                IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
 528                &iomux->gpr[2]);
 529
 530         clrsetbits_le32(&iomux->gpr[3],
 531                         IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
 532                        (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
 533                         IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
 534
 535         /* backlights off until needed */
 536         imx_iomux_v3_setup_multiple_pads(backlight_pads,
 537                                          ARRAY_SIZE(backlight_pads));
 538         gpio_direction_input(LVDS_POWER_GP);
 539         gpio_direction_input(LVDS_BACKLIGHT_GP);
 540 }
 541 #endif /* CONFIG_VIDEO_IPUV3 */
 542
 543 /*
 544  * Do not overwrite the console
 545  * Use always serial for U-Boot console
 546  */
 547 int overwrite_console(void)
 548 {
 549         return 1;
 550 }
 551
 552 #define VPD_TYPE_INVALID 0x00
 553 #define VPD_BLOCK_NETWORK 0x20
 554 #define VPD_BLOCK_HWID 0x44
 555 #define VPD_PRODUCT_B850 1
 556 #define VPD_PRODUCT_B650 2
 557 #define VPD_PRODUCT_B450 3
 558 #define VPD_HAS_MAC1 0x1
 559 #define VPD_HAS_MAC2 0x2
 560 #define VPD_MAC_ADDRESS_LENGTH 6
 561
 562 struct vpd_cache {
 563         u8 product_id;
 564         u8 has;
 565         unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
 566         unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
 567 };
 568
 569 /*
 570  * Extracts MAC and product information from the VPD.
 571  */
 572 static int vpd_callback(void *userdata, u8 id, u8 version, u8 type,
 573                         size_t size, u8 const *data)
 574 {
 575         struct vpd_cache *vpd = (struct vpd_cache *)userdata;
 576
 577         if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
 578             size >= 1) {
 579                 vpd->product_id = data[0];
 580         } else if (id == VPD_BLOCK_NETWORK && version == 1 &&
 581                    type != VPD_TYPE_INVALID) {
 582                 if (size >= 6) {
 583                         vpd->has |= VPD_HAS_MAC1;
 584                         memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
 585                 }
 586                 if (size >= 12) {
 587                         vpd->has |= VPD_HAS_MAC2;
 588                         memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
 589                 }
 590         }
 591
 592         return 0;
 593 }
 594
 595 static void process_vpd(struct vpd_cache *vpd)
 596 {
 597         int fec_index = -1;
 598         int i210_index = -1;
 599
 600         switch (vpd->product_id) {
 601         case VPD_PRODUCT_B450:
 602                 env_set("confidx", "1");
 603                 i210_index = 0;
 604                 fec_index = 1;
 605                 break;
 606         case VPD_PRODUCT_B650:
 607                 env_set("confidx", "2");
 608                 i210_index = 0;
 609                 fec_index = 1;
 610                 break;
 611         case VPD_PRODUCT_B850:
 612                 env_set("confidx", "3");
 613                 i210_index = 1;
 614                 fec_index = 2;
 615                 break;
 616         }
 617
 618         if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
 619                 eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
 620
 621         if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
 622                 eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
 623 }
 624
 625 static int read_vpd(void)
 626 {
 627         int res;
 628         static const int size = CONFIG_SYS_VPD_EEPROM_SIZE;
 629         uint8_t *data;
 630         unsigned int current_i2c_bus = i2c_get_bus_num();
 631
 632         res = i2c_set_bus_num(CONFIG_SYS_VPD_EEPROM_I2C_BUS);
 633         if (res < 0)
 634                 return res;
 635
 636         data = (uint8_t *)malloc(size);
 637         if (!data)
 638                 return -ENOMEM;
 639
 640         res = i2c_read(CONFIG_SYS_VPD_EEPROM_I2C_ADDR, 0,
 641                        CONFIG_SYS_VPD_EEPROM_I2C_ADDR_LEN, data, size);
 642
 643         if (res == 0) {
 644                 memset(&vpd, 0, sizeof(vpd));
 645                 vpd_reader(size, data, &vpd, vpd_callback);
 646         }
 647
 648         free(data);
 649
 650         i2c_set_bus_num(current_i2c_bus);
 651         return res;
 652 }
 653
 654 int board_eth_init(bd_t *bis)
 655 {
 656         setup_iomux_enet();
 657         setup_pcie();
 658
 659         e1000_initialize(bis);
 660
 661         return cpu_eth_init(bis);
 662 }
 663
 664 static iomux_v3_cfg_t const misc_pads[] = {
 665         MX6_PAD_KEY_ROW2__GPIO4_IO11    | MUX_PAD_CTRL(NO_PAD_CTRL),
 666         MX6_PAD_EIM_A25__GPIO5_IO02     | MUX_PAD_CTRL(NC_PAD_CTRL),
 667         MX6_PAD_EIM_CS0__GPIO2_IO23     | MUX_PAD_CTRL(NC_PAD_CTRL),
 668         MX6_PAD_EIM_CS1__GPIO2_IO24     | MUX_PAD_CTRL(NC_PAD_CTRL),
 669         MX6_PAD_EIM_OE__GPIO2_IO25      | MUX_PAD_CTRL(NC_PAD_CTRL),
 670         MX6_PAD_EIM_BCLK__GPIO6_IO31    | MUX_PAD_CTRL(NC_PAD_CTRL),
 671         MX6_PAD_GPIO_1__GPIO1_IO01      | MUX_PAD_CTRL(NC_PAD_CTRL),
 672         MX6_PAD_GPIO_9__WDOG1_B         | MUX_PAD_CTRL(NC_PAD_CTRL),
 673 };
 674 #define SUS_S3_OUT      IMX_GPIO_NR(4, 11)
 675 #define WIFI_EN IMX_GPIO_NR(6, 14)
 676
 677 int board_early_init_f(void)
 678 {
 679         imx_iomux_v3_setup_multiple_pads(misc_pads,
 680                                          ARRAY_SIZE(misc_pads));
 681
 682         setup_iomux_uart();
 683
 684 #if defined(CONFIG_VIDEO_IPUV3)
 685         /* Set LDB clock to Video PLL */
 686         select_ldb_di_clock_source(MXC_PLL5_CLK);
 687 #endif
 688         return 0;
 689 }
 690
 691 static void set_confidx(const struct vpd_cache* vpd)
 692 {
 693         switch (vpd->product_id) {
 694         case VPD_PRODUCT_B450:
 695                 confidx = 1;
 696                 break;
 697         case VPD_PRODUCT_B650:
 698                 confidx = 2;
 699                 break;
 700         case VPD_PRODUCT_B850:
 701                 confidx = 3;
 702                 break;
 703         }
 704 }
 705
 706 int board_init(void)
 707 {
 708         setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
 709         setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
 710         setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
 711
 712         read_vpd();
 713
 714         set_confidx(&vpd);
 715
 716         gpio_direction_output(SUS_S3_OUT, 1);
 717         gpio_direction_output(WIFI_EN, 1);
 718 #if defined(CONFIG_VIDEO_IPUV3)
 719         if (is_b850v3())
 720                 setup_display_b850v3();
 721         else
 722                 setup_display_bx50v3();
 723 #endif
 724         /* address of boot parameters */
 725         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 726
 727 #ifdef CONFIG_MXC_SPI
 728         setup_spi();
 729 #endif
 730         return 0;
 731 }
 732
 733 #ifdef CONFIG_CMD_BMODE
 734 static const struct boot_mode board_boot_modes[] = {
 735         /* 4 bit bus width */
 736         {"sd2",  MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
 737         {"sd3",  MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
 738         {NULL,   0},
 739 };
 740 #endif
 741
 742 void pmic_init(void)
 743 {
 744 #define I2C_PMIC                0x2
 745 #define DA9063_I2C_ADDR         0x58
 746 #define DA9063_REG_BCORE2_CFG   0x9D
 747 #define DA9063_REG_BCORE1_CFG   0x9E
 748 #define DA9063_REG_BPRO_CFG     0x9F
 749 #define DA9063_REG_BIO_CFG      0xA0
 750 #define DA9063_REG_BMEM_CFG     0xA1
 751 #define DA9063_REG_BPERI_CFG    0xA2
 752 #define DA9063_BUCK_MODE_MASK   0xC0
 753 #define DA9063_BUCK_MODE_MANUAL 0x00
 754 #define DA9063_BUCK_MODE_SLEEP  0x40
 755 #define DA9063_BUCK_MODE_SYNC   0x80
 756 #define DA9063_BUCK_MODE_AUTO   0xC0
 757
 758         uchar val;
 759
 760         i2c_set_bus_num(I2C_PMIC);
 761
 762         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 763         val &= ~DA9063_BUCK_MODE_MASK;
 764         val |= DA9063_BUCK_MODE_SYNC;
 765         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
 766
 767         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 768         val &= ~DA9063_BUCK_MODE_MASK;
 769         val |= DA9063_BUCK_MODE_SYNC;
 770         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
 771
 772         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 773         val &= ~DA9063_BUCK_MODE_MASK;
 774         val |= DA9063_BUCK_MODE_SYNC;
 775         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
 776
 777         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 778         val &= ~DA9063_BUCK_MODE_MASK;
 779         val |= DA9063_BUCK_MODE_SYNC;
 780         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
 781
 782         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 783         val &= ~DA9063_BUCK_MODE_MASK;
 784         val |= DA9063_BUCK_MODE_SYNC;
 785         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
 786
 787         i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 788         val &= ~DA9063_BUCK_MODE_MASK;
 789         val |= DA9063_BUCK_MODE_SYNC;
 790         i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
 791 }
 792
 793 int board_late_init(void)
 794 {
 795         process_vpd(&vpd);
 796
 797 #ifdef CONFIG_CMD_BMODE
 798         add_board_boot_modes(board_boot_modes);
 799 #endif
 800
 801         if (is_b850v3())
 802                 env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
 803         else
 804                 env_set("videoargs", "video=LVDS-1:1024x768@65");
 805
 806         /* board specific pmic init */
 807         pmic_init();
 808
 809         check_time();
 810
 811         return 0;
 812 }
 813
 814 /*
 815  * Removes the 'eth[0-9]*addr' environment variable with the given index
 816  *
 817  * @param index [in] the index of the eth_device whose variable is to be removed
 818  */
 819 static void remove_ethaddr_env_var(int index)
 820 {
 821         char env_var_name[9];
 822
 823         sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
 824         env_set(env_var_name, NULL);
 825 }
 826
 827 int last_stage_init(void)
 828 {
 829         int i;
 830
 831         /*
 832          * Remove first three ethaddr which may have been created by
 833          * function process_vpd().
 834          */
 835         for (i = 0; i < 3; ++i)
 836                 remove_ethaddr_env_var(i);
 837
 838         return 0;
 839 }
 840
 841 int checkboard(void)
 842 {
 843         printf("BOARD: %s\n", CONFIG_BOARD_NAME);
 844         return 0;
 845 }
 846
 847 static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 848 {
 849 #ifdef CONFIG_VIDEO_IPUV3
 850         /* We need at least 200ms between power on and backlight on
 851          * as per specifications from CHI MEI */
 852         mdelay(250);
 853
 854         /* enable backlight PWM 1 */
 855         pwm_init(0, 0, 0);
 856
 857         /* duty cycle 5000000ns, period: 5000000ns */
 858         pwm_config(0, 5000000, 5000000);
 859
 860         /* Backlight Power */
 861         gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
 862
 863         pwm_enable(0);
 864 #endif
 865
 866         return 0;
 867 }
 868
 869 U_BOOT_CMD(
 870        bx50_backlight_enable, 1,      1,      do_backlight_enable,
 871        "enable Bx50 backlight",
 872        ""
 873 );