uboot/board/freescale/mx7dsabresd/mx7dsabresd.c
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   1/*
   2 * Copyright (C) 2015 Freescale Semiconductor, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <asm/arch/clock.h>
   8#include <asm/arch/imx-regs.h>
   9#include <asm/arch/mx7-pins.h>
  10#include <asm/arch/sys_proto.h>
  11#include <asm/gpio.h>
  12#include <asm/mach-imx/iomux-v3.h>
  13#include <asm/io.h>
  14#include <linux/sizes.h>
  15#include <common.h>
  16#include <fsl_esdhc.h>
  17#include <mmc.h>
  18#include <miiphy.h>
  19#include <netdev.h>
  20#include <power/pmic.h>
  21#include <power/pfuze3000_pmic.h>
  22#include "../common/pfuze.h"
  23#include <i2c.h>
  24#include <asm/mach-imx/mxc_i2c.h>
  25#include <asm/arch/crm_regs.h>
  26
  27DECLARE_GLOBAL_DATA_PTR;
  28
  29#define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | \
  30        PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
  31
  32#define ENET_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
  33#define ENET_PAD_CTRL_MII  (PAD_CTL_DSE_3P3V_32OHM)
  34
  35#define ENET_RX_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
  36
  37#define LCD_PAD_CTRL    (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
  38        PAD_CTL_DSE_3P3V_49OHM)
  39
  40#define QSPI_PAD_CTRL   \
  41        (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
  42
  43#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
  44
  45#define SPI_PAD_CTRL \
  46  (PAD_CTL_HYS | PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_FAST)
  47
  48#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
  49
  50#ifdef CONFIG_MXC_SPI
  51static iomux_v3_cfg_t const ecspi3_pads[] = {
  52    MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
  53    MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
  54    MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
  55    MX7D_PAD_SAI2_TX_DATA__GPIO6_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
  56};
  57
  58int board_spi_cs_gpio(unsigned bus, unsigned cs)
  59{
  60         return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(6, 22)) : -1;
  61}
  62
  63static void setup_spi(void)
  64{
  65         imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads));
  66}
  67#endif
  68
  69int dram_init(void)
  70{
  71        gd->ram_size = PHYS_SDRAM_SIZE;
  72
  73        return 0;
  74}
  75
  76static iomux_v3_cfg_t const wdog_pads[] = {
  77        MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
  78};
  79
  80static iomux_v3_cfg_t const uart1_pads[] = {
  81        MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
  82        MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
  83};
  84
  85#ifdef CONFIG_NAND_MXS
  86static iomux_v3_cfg_t const gpmi_pads[] = {
  87        MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  88        MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  89        MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  90        MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  91        MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  92        MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  93        MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  94        MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
  95        MX7D_PAD_SD3_CLK__NAND_CLE      | MUX_PAD_CTRL(NAND_PAD_CTRL),
  96        MX7D_PAD_SD3_CMD__NAND_ALE      | MUX_PAD_CTRL(NAND_PAD_CTRL),
  97        MX7D_PAD_SD3_STROBE__NAND_RE_B  | MUX_PAD_CTRL(NAND_PAD_CTRL),
  98        MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
  99        MX7D_PAD_SAI1_MCLK__NAND_WP_B   | MUX_PAD_CTRL(NAND_PAD_CTRL),
 100        MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B       | MUX_PAD_CTRL(NAND_PAD_CTRL),
 101        MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B       | MUX_PAD_CTRL(NAND_PAD_CTRL),
 102        MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B       | MUX_PAD_CTRL(NAND_PAD_CTRL),
 103        MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B       | MUX_PAD_CTRL(NAND_PAD_CTRL),
 104        MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL),
 105        MX7D_PAD_SAI1_TX_DATA__NAND_READY_B     | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
 106};
 107
 108static void setup_gpmi_nand(void)
 109{
 110        imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
 111
 112        /* NAND_USDHC_BUS_CLK is set in rom */
 113        set_clk_nand();
 114}
 115#endif
 116
 117#ifdef CONFIG_VIDEO_MXS
 118static iomux_v3_cfg_t const lcd_pads[] = {
 119        MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
 120        MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
 121        MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
 122        MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
 123        MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 124        MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 125        MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 126        MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 127        MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 128        MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 129        MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 130        MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 131        MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 132        MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 133        MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 134        MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 135        MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 136        MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 137        MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 138        MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 139        MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 140        MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 141        MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 142        MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 143        MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 144        MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 145        MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 146        MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
 147
 148        MX7D_PAD_LCD_RESET__GPIO3_IO4   | MUX_PAD_CTRL(LCD_PAD_CTRL),
 149};
 150
 151static iomux_v3_cfg_t const pwm_pads[] = {
 152        /* Use GPIO for Brightness adjustment, duty cycle = period */
 153        MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL),
 154};
 155
 156static int setup_lcd(void)
 157{
 158        imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
 159
 160        imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads));
 161
 162        /* Reset LCD */
 163        gpio_request(IMX_GPIO_NR(3, 4), "lcd reset");
 164        gpio_direction_output(IMX_GPIO_NR(3, 4) , 0);
 165        udelay(500);
 166        gpio_direction_output(IMX_GPIO_NR(3, 4) , 1);
 167
 168        /* Set Brightness to high */
 169        gpio_request(IMX_GPIO_NR(1, 1), "lcd backlight");
 170        gpio_direction_output(IMX_GPIO_NR(1, 1) , 1);
 171
 172        return 0;
 173}
 174#endif
 175
 176#ifdef CONFIG_FEC_MXC
 177static iomux_v3_cfg_t const fec1_pads[] = {
 178        MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 179        MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 180        MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 181        MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 182        MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 183        MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
 184        MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
 185        MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 186        MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 187        MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 188        MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
 189        MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
 190        MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 191        MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
 192};
 193
 194static void setup_iomux_fec(void)
 195{
 196        imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
 197}
 198#endif
 199
 200static void setup_iomux_uart(void)
 201{
 202        imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
 203}
 204
 205int board_mmc_get_env_dev(int devno)
 206{
 207        if (devno == 2)
 208                devno--;
 209
 210        return devno;
 211}
 212
 213int mmc_map_to_kernel_blk(int dev_no)
 214{
 215        if (dev_no == 1)
 216                dev_no++;
 217
 218        return dev_no;
 219}
 220
 221#ifdef CONFIG_FEC_MXC
 222int board_eth_init(bd_t *bis)
 223{
 224        int ret;
 225        unsigned int gpio;
 226
 227        ret = gpio_lookup_name("gpio_spi@0_5", NULL, NULL, &gpio);
 228        if (ret) {
 229                printf("GPIO: 'gpio_spi@0_5' not found\n");
 230                return -ENODEV;
 231        }
 232
 233        ret = gpio_request(gpio, "fec_rst");
 234        if (ret && ret != -EBUSY) {
 235                printf("gpio: requesting pin %u failed\n", gpio);
 236                return ret;
 237        }
 238
 239        gpio_direction_output(gpio, 0);
 240        udelay(500);
 241        gpio_direction_output(gpio, 1);
 242
 243        setup_iomux_fec();
 244
 245        ret = fecmxc_initialize_multi(bis, 0,
 246                CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
 247        if (ret)
 248                printf("FEC1 MXC: %s:failed\n", __func__);
 249
 250        return ret;
 251}
 252
 253static int setup_fec(void)
 254{
 255        struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
 256                = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;
 257
 258        /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/
 259        clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
 260                (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
 261                 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
 262
 263        return set_clk_enet(ENET_125MHZ);
 264}
 265
 266
 267int board_phy_config(struct phy_device *phydev)
 268{
 269        /* enable rgmii rxc skew and phy mode select to RGMII copper */
 270        phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21);
 271        phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8);
 272        phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f);
 273        phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7);
 274
 275        if (phydev->drv->config)
 276                phydev->drv->config(phydev);
 277        return 0;
 278}
 279#endif
 280
 281#ifdef CONFIG_FSL_QSPI
 282static iomux_v3_cfg_t const quadspi_pads[] = {
 283        MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 284        MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 285        MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 286        MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 287        MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK  | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 288        MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL),
 289};
 290
 291int board_qspi_init(void)
 292{
 293        /* Set the iomux */
 294        imx_iomux_v3_setup_multiple_pads(quadspi_pads,
 295                                         ARRAY_SIZE(quadspi_pads));
 296
 297        /* Set the clock */
 298        set_clk_qspi();
 299
 300        return 0;
 301}
 302#endif
 303
 304int board_early_init_f(void)
 305{
 306        setup_iomux_uart();
 307
 308        return 0;
 309}
 310
 311int board_init(void)
 312{
 313        /* address of boot parameters */
 314        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 315
 316#ifdef CONFIG_FEC_MXC
 317        setup_fec();
 318#endif
 319
 320#ifdef CONFIG_NAND_MXS
 321        setup_gpmi_nand();
 322#endif
 323
 324#ifdef CONFIG_VIDEO_MXS
 325        setup_lcd();
 326#endif
 327
 328#ifdef CONFIG_FSL_QSPI
 329        board_qspi_init();
 330#endif
 331
 332#ifdef CONFIG_MXC_SPI
 333       setup_spi();
 334#endif
 335
 336        return 0;
 337}
 338
 339#ifdef CONFIG_DM_PMIC
 340int power_init_board(void)
 341{
 342        struct udevice *dev;
 343        int ret, dev_id, rev_id;
 344
 345        ret = pmic_get("pfuze3000", &dev);
 346        if (ret == -ENODEV)
 347                return 0;
 348        if (ret != 0)
 349                return ret;
 350
 351        dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
 352        rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
 353        printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
 354
 355        pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1);
 356
 357        /*
 358         * Set the voltage of VLDO4 output to 2.8V which feeds
 359         * the MIPI DSI and MIPI CSI inputs.
 360         */
 361        pmic_clrsetbits(dev, PFUZE3000_VLD4CTL, 0xF, 0xA);
 362
 363        return 0;
 364}
 365#endif
 366
 367int board_late_init(void)
 368{
 369        struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
 370
 371        imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
 372
 373        set_wdog_reset(wdog);
 374
 375        /*
 376         * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
 377         * since we use PMIC_PWRON to reset the board.
 378         */
 379        clrsetbits_le16(&wdog->wcr, 0, 0x10);
 380
 381        return 0;
 382}
 383
 384int checkboard(void)
 385{
 386        char *mode;
 387
 388        if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
 389                mode = "secure";
 390        else
 391                mode = "non-secure";
 392
 393        printf("Board: i.MX7D SABRESD in %s mode\n", mode);
 394
 395        return 0;
 396}
 397