/* * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. * Based on mx6qsabrelite.c file * Copyright (C) 2013, Adeneo Embedded * Leo Sartre, * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |\ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE | PAD_CTL_SRE_FAST) #define SPI_PAD_CTRL (PAD_CTL_HYS | \ PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #define MX6Q_QMX6_PFUZE_MUX IMX_GPIO_NR(6, 9) #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS) int dram_init(void) { gd->ram_size = imx_ddr_size(); return 0; } static iomux_v3_cfg_t const uart2_pads[] = { IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), }; static iomux_v3_cfg_t const usdhc2_pads[] = { IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), }; static iomux_v3_cfg_t const usdhc3_pads[] = { IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)), }; static iomux_v3_cfg_t const usdhc4_pads[] = { IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t const usb_otg_pads[] = { IOMUX_PADS(PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t enet_pads_ksz9031[] = { IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t enet_pads_final_ksz9031[] = { IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), }; static iomux_v3_cfg_t enet_pads_ar8035[] = { IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), }; static iomux_v3_cfg_t const ecspi1_pads[] = { IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) struct i2c_pads_info mx6q_i2c_pad_info1 = { .scl = { .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC, .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC, .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC, .gp = IMX_GPIO_NR(4, 13) } }; struct i2c_pads_info mx6dl_i2c_pad_info1 = { .scl = { .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC, .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC, .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC, .gp = IMX_GPIO_NR(4, 13) } }; #define I2C_PMIC 1 /* I2C2 port is used to connect to the PMIC */ struct interface_level { char *name; uchar value; }; static struct interface_level mipi_levels[] = { {"0V0", 0x00}, {"2V5", 0x17}, }; /* setup board specific PMIC */ int power_init_board(void) { struct pmic *p; u32 id1, id2, i; int ret; char const *lv_mipi; /* configure I2C multiplexer */ gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1); power_pfuze100_init(I2C_PMIC); p = pmic_get("PFUZE100"); if (!p) return -EINVAL; ret = pmic_probe(p); if (ret) return ret; pmic_reg_read(p, PFUZE100_DEVICEID, &id1); pmic_reg_read(p, PFUZE100_REVID, &id2); printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2); if (id2 >= 0x20) return 0; /* set level of MIPI if specified */ lv_mipi = getenv("lv_mipi"); if (lv_mipi) return 0; for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) { if (!strcmp(mipi_levels[i].name, lv_mipi)) { printf("set MIPI level %s\n", mipi_levels[i].name); ret = pmic_reg_write(p, PFUZE100_VGEN4VOL, mipi_levels[i].value); if (ret) return ret; } } return 0; } int board_eth_init(bd_t *bis) { struct phy_device *phydev; struct mii_dev *bus; unsigned short id1, id2; int ret; /* check whether KSZ9031 or AR8035 has to be configured */ SETUP_IOMUX_PADS(enet_pads_ar8035); /* phy reset */ gpio_direction_output(IMX_GPIO_NR(3, 23), 0); udelay(2000); gpio_set_value(IMX_GPIO_NR(3, 23), 1); udelay(500); bus = fec_get_miibus(IMX_FEC_BASE, -1); if (!bus) return -EINVAL; phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); if (!phydev) { printf("Error: phy device not found.\n"); ret = -ENODEV; goto free_bus; } /* get the PHY id */ id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2); id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3); if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) { /* re-configure for Micrel KSZ9031 */ printf("configure Micrel KSZ9031 Ethernet Phy at address %d\n", phydev->addr); /* phy reset: gpio3-23 */ gpio_set_value(IMX_GPIO_NR(3, 23), 0); gpio_set_value(IMX_GPIO_NR(6, 30), (phydev->addr >> 2)); gpio_set_value(IMX_GPIO_NR(6, 25), 1); gpio_set_value(IMX_GPIO_NR(6, 27), 1); gpio_set_value(IMX_GPIO_NR(6, 28), 1); gpio_set_value(IMX_GPIO_NR(6, 29), 1); SETUP_IOMUX_PADS(enet_pads_ksz9031); gpio_set_value(IMX_GPIO_NR(6, 24), 1); udelay(500); gpio_set_value(IMX_GPIO_NR(3, 23), 1); SETUP_IOMUX_PADS(enet_pads_final_ksz9031); } else if ((id1 == 0x004d) && (id2 == 0xd072)) { /* configure Atheros AR8035 - actually nothing to do */ printf("configure Atheros AR8035 Ethernet Phy at address %d\n", phydev->addr); } else { printf("Unknown Ethernet-Phy: 0x%04x 0x%04x\n", id1, id2); ret = -EINVAL; goto free_phydev; } ret = fec_probe(bis, -1, IMX_FEC_BASE, bus, phydev); if (ret) goto free_phydev; return 0; free_phydev: free(phydev); free_bus: free(bus); return ret; } int mx6_rgmii_rework(struct phy_device *phydev) { unsigned short id1, id2; unsigned short val; /* check whether KSZ9031 or AR8035 has to be configured */ id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2); id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3); if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) { /* finalize phy configuration for Micrel KSZ9031 */ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 4); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x0000); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 5); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_REG); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 6); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0xFFFF); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 8); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3FFF); /* fix KSZ9031 link up issue */ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x0); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x4); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x6); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_REG); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x1A80); } if ((id1 == 0x004d) && (id2 == 0xd072)) { /* enable AR8035 ouput a 125MHz clk from CLK_25M */ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x7); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_DATA_POST_INC_RW | 0x16); phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC | 0x7); val = phy_read(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA); val &= 0xfe63; val |= 0x18; phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, val); /* introduce tx clock delay */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); val |= 0x0100; phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); /* disable hibernation */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0xb); val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3c40); } return 0; } int board_phy_config(struct phy_device *phydev) { mx6_rgmii_rework(phydev); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } static void setup_iomux_uart(void) { SETUP_IOMUX_PADS(uart2_pads); } #ifdef CONFIG_MXC_SPI static void setup_spi(void) { SETUP_IOMUX_PADS(ecspi1_pads); gpio_direction_output(IMX_GPIO_NR(3, 19), 0); } #endif #ifdef CONFIG_FSL_ESDHC static struct fsl_esdhc_cfg usdhc_cfg[] = { {USDHC2_BASE_ADDR}, {USDHC3_BASE_ADDR}, {USDHC4_BASE_ADDR}, }; int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; int ret = 0; switch (cfg->esdhc_base) { case USDHC2_BASE_ADDR: gpio_direction_input(IMX_GPIO_NR(1, 4)); ret = !gpio_get_value(IMX_GPIO_NR(1, 4)); break; case USDHC3_BASE_ADDR: ret = 1; /* eMMC is always present */ break; case USDHC4_BASE_ADDR: gpio_direction_input(IMX_GPIO_NR(2, 6)); ret = !gpio_get_value(IMX_GPIO_NR(2, 6)); break; default: printf("Bad USDHC interface\n"); } return ret; } int board_mmc_init(bd_t *bis) { #ifndef CONFIG_SPL_BUILD s32 status = 0; int i; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); SETUP_IOMUX_PADS(usdhc2_pads); SETUP_IOMUX_PADS(usdhc3_pads); SETUP_IOMUX_PADS(usdhc4_pads); for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) { status = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); if (status) return status; } return 0; #else SETUP_IOMUX_PADS(usdhc4_pads); usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); #endif } #endif int board_ehci_hcd_init(int port) { switch (port) { case 0: SETUP_IOMUX_PADS(usb_otg_pads); /* * set daisy chain for otg_pin_id on 6q. * for 6dl, this bit is reserved */ imx_iomux_set_gpr_register(1, 13, 1, 1); break; case 1: /* nothing to do */ break; default: printf("Invalid USB port: %d\n", port); return -EINVAL; } return 0; } int board_ehci_power(int port, int on) { switch (port) { case 0: break; case 1: gpio_direction_output(IMX_GPIO_NR(5, 5), on); break; default: printf("Invalid USB port: %d\n", port); return -EINVAL; } return 0; } struct display_info_t { int bus; int addr; int pixfmt; int (*detect)(struct display_info_t const *dev); void (*enable)(struct display_info_t const *dev); struct fb_videomode mode; }; static void disable_lvds(struct display_info_t const *dev) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK | IOMUXC_GPR2_LVDS_CH1_MODE_MASK); } static void do_enable_hdmi(struct display_info_t const *dev) { disable_lvds(dev); imx_enable_hdmi_phy(); } static struct display_info_t const displays[] = { { .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB666, .detect = NULL, .enable = NULL, .mode = { .name = "Hannstar-XGA", .refresh = 60, .xres = 1024, .yres = 768, .pixclock = 15385, .left_margin = 220, .right_margin = 40, .upper_margin = 21, .lower_margin = 7, .hsync_len = 60, .vsync_len = 10, .sync = FB_SYNC_EXT, .vmode = FB_VMODE_NONINTERLACED } }, { .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB24, .detect = NULL, .enable = do_enable_hdmi, .mode = { .name = "HDMI", .refresh = 60, .xres = 1024, .yres = 768, .pixclock = 15385, .left_margin = 220, .right_margin = 40, .upper_margin = 21, .lower_margin = 7, .hsync_len = 60, .vsync_len = 10, .sync = FB_SYNC_EXT, .vmode = FB_VMODE_NONINTERLACED } } }; int board_video_skip(void) { int i; int ret; char const *panel = getenv("panel"); if (!panel) { for (i = 0; i < ARRAY_SIZE(displays); i++) { struct display_info_t const *dev = displays + i; if (dev->detect && dev->detect(dev)) { panel = dev->mode.name; printf("auto-detected panel %s\n", panel); break; } } if (!panel) { panel = displays[0].mode.name; printf("No panel detected: default to %s\n", panel); i = 0; } } else { for (i = 0; i < ARRAY_SIZE(displays); i++) { if (!strcmp(panel, displays[i].mode.name)) break; } } if (i < ARRAY_SIZE(displays)) { ret = ipuv3_fb_init(&displays[i].mode, 0, displays[i].pixfmt); if (!ret) { if (displays[i].enable) displays[i].enable(displays + i); printf("Display: %s (%ux%u)\n", displays[i].mode.name, displays[i].mode.xres, displays[i].mode.yres); } else printf("LCD %s cannot be configured: %d\n", displays[i].mode.name, ret); } else { printf("unsupported panel %s\n", panel); return -EINVAL; } return 0; } static void setup_display(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; int reg; enable_ipu_clock(); imx_setup_hdmi(); /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK); /* set LDB0, LDB1 clk select to 011/011 */ reg = readl(&mxc_ccm->cs2cdr); reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->cs2cdr); setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV); setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET | CHSCCDR_CLK_SEL_LDB_DI0 << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; writel(reg, &iomux->gpr[2]); reg = readl(&iomux->gpr[3]); reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); writel(reg, &iomux->gpr[3]); } /* * Do not overwrite the console * Use always serial for U-Boot console */ int overwrite_console(void) { return 1; } static bool is_mx6q(void) { if (is_cpu_type(MXC_CPU_MX6Q) || is_cpu_type(MXC_CPU_MX6D)) return true; else return false; } int board_early_init_f(void) { setup_iomux_uart(); setup_display(); #ifdef CONFIG_MXC_SPI setup_spi(); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; if (is_mx6q()) setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1); else setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1); #ifdef CONFIG_CMD_SATA setup_sata(); #endif return 0; } int checkboard(void) { char *type = "unknown"; if (is_cpu_type(MXC_CPU_MX6Q)) type = "Quad"; else if (is_cpu_type(MXC_CPU_MX6D)) type = "Dual"; else if (is_cpu_type(MXC_CPU_MX6DL)) type = "Dual-Lite"; else if (is_cpu_type(MXC_CPU_MX6SOLO)) type = "Solo"; printf("Board: conga-QMX6 %s\n", type); return 0; } #ifdef CONFIG_MXC_SPI int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -EINVAL; } #endif #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ {"mmc0", MAKE_CFGVAL(0x50, 0x20, 0x00, 0x00)}, {"mmc1", MAKE_CFGVAL(0x50, 0x38, 0x00, 0x00)}, {NULL, 0}, }; #endif int misc_init_r(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif return 0; } int board_late_init(void) { #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG if (is_mx6q()) setenv("board_rev", "MX6Q"); else setenv("board_rev", "MX6DL"); #endif return 0; } #ifdef CONFIG_SPL_BUILD #include #include #include #include #include const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = { .dram_sdclk_0 = 0x00000030, .dram_sdclk_1 = 0x00000030, .dram_cas = 0x00000030, .dram_ras = 0x00000030, .dram_reset = 0x00000030, .dram_sdcke0 = 0x00003000, .dram_sdcke1 = 0x00003000, .dram_sdba2 = 0x00000000, .dram_sdodt0 = 0x00000030, .dram_sdodt1 = 0x00000030, .dram_sdqs0 = 0x00000030, .dram_sdqs1 = 0x00000030, .dram_sdqs2 = 0x00000030, .dram_sdqs3 = 0x00000030, .dram_sdqs4 = 0x00000030, .dram_sdqs5 = 0x00000030, .dram_sdqs6 = 0x00000030, .dram_sdqs7 = 0x00000030, .dram_dqm0 = 0x00000030, .dram_dqm1 = 0x00000030, .dram_dqm2 = 0x00000030, .dram_dqm3 = 0x00000030, .dram_dqm4 = 0x00000030, .dram_dqm5 = 0x00000030, .dram_dqm6 = 0x00000030, .dram_dqm7 = 0x00000030, }; static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs = { .dram_sdclk_0 = 0x00000030, .dram_sdclk_1 = 0x00000030, .dram_cas = 0x00000030, .dram_ras = 0x00000030, .dram_reset = 0x00000030, .dram_sdcke0 = 0x00003000, .dram_sdcke1 = 0x00003000, .dram_sdba2 = 0x00000000, .dram_sdodt0 = 0x00000030, .dram_sdodt1 = 0x00000030, .dram_sdqs0 = 0x00000030, .dram_sdqs1 = 0x00000030, .dram_sdqs2 = 0x00000030, .dram_sdqs3 = 0x00000030, .dram_sdqs4 = 0x00000030, .dram_sdqs5 = 0x00000030, .dram_sdqs6 = 0x00000030, .dram_sdqs7 = 0x00000030, .dram_dqm0 = 0x00000030, .dram_dqm1 = 0x00000030, .dram_dqm2 = 0x00000030, .dram_dqm3 = 0x00000030, .dram_dqm4 = 0x00000030, .dram_dqm5 = 0x00000030, .dram_dqm6 = 0x00000030, .dram_dqm7 = 0x00000030, }; const struct mx6dq_iomux_grp_regs mx6q_grp_ioregs = { .grp_ddr_type = 0x000C0000, .grp_ddrmode_ctl = 0x00020000, .grp_ddrpke = 0x00000000, .grp_addds = 0x00000030, .grp_ctlds = 0x00000030, .grp_ddrmode = 0x00020000, .grp_b0ds = 0x00000030, .grp_b1ds = 0x00000030, .grp_b2ds = 0x00000030, .grp_b3ds = 0x00000030, .grp_b4ds = 0x00000030, .grp_b5ds = 0x00000030, .grp_b6ds = 0x00000030, .grp_b7ds = 0x00000030, }; static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { .grp_ddr_type = 0x000c0000, .grp_ddrmode_ctl = 0x00020000, .grp_ddrpke = 0x00000000, .grp_addds = 0x00000030, .grp_ctlds = 0x00000030, .grp_ddrmode = 0x00020000, .grp_b0ds = 0x00000030, .grp_b1ds = 0x00000030, .grp_b2ds = 0x00000030, .grp_b3ds = 0x00000030, .grp_b4ds = 0x00000030, .grp_b5ds = 0x00000030, .grp_b6ds = 0x00000030, .grp_b7ds = 0x00000030, }; const struct mx6_mmdc_calibration mx6q_mmcd_calib = { .p0_mpwldectrl0 = 0x0016001A, .p0_mpwldectrl1 = 0x0023001C, .p1_mpwldectrl0 = 0x0028003A, .p1_mpwldectrl1 = 0x001F002C, .p0_mpdgctrl0 = 0x43440354, .p0_mpdgctrl1 = 0x033C033C, .p1_mpdgctrl0 = 0x43300368, .p1_mpdgctrl1 = 0x03500330, .p0_mprddlctl = 0x3228242E, .p1_mprddlctl = 0x2C2C2636, .p0_mpwrdlctl = 0x36323A38, .p1_mpwrdlctl = 0x42324440, }; const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = { .p0_mpwldectrl0 = 0x00080016, .p0_mpwldectrl1 = 0x001D0016, .p1_mpwldectrl0 = 0x0018002C, .p1_mpwldectrl1 = 0x000D001D, .p0_mpdgctrl0 = 0x43200334, .p0_mpdgctrl1 = 0x0320031C, .p1_mpdgctrl0 = 0x0344034C, .p1_mpdgctrl1 = 0x03380314, .p0_mprddlctl = 0x3E36383A, .p1_mprddlctl = 0x38363240, .p0_mpwrdlctl = 0x36364238, .p1_mpwrdlctl = 0x4230423E, }; static const struct mx6_mmdc_calibration mx6s_mmcd_calib = { .p0_mpwldectrl0 = 0x00480049, .p0_mpwldectrl1 = 0x00410044, .p0_mpdgctrl0 = 0x42480248, .p0_mpdgctrl1 = 0x023C023C, .p0_mprddlctl = 0x40424644, .p0_mpwrdlctl = 0x34323034, }; const struct mx6_mmdc_calibration mx6dl_mmcd_calib = { .p0_mpwldectrl0 = 0x0043004B, .p0_mpwldectrl1 = 0x003A003E, .p1_mpwldectrl0 = 0x0047004F, .p1_mpwldectrl1 = 0x004E0061, .p0_mpdgctrl0 = 0x42500250, .p0_mpdgctrl1 = 0x0238023C, .p1_mpdgctrl0 = 0x42640264, .p1_mpdgctrl1 = 0x02500258, .p0_mprddlctl = 0x40424846, .p1_mprddlctl = 0x46484842, .p0_mpwrdlctl = 0x38382C30, .p1_mpwrdlctl = 0x34343430, }; static struct mx6_ddr3_cfg mem_ddr_2g = { .mem_speed = 1600, .density = 2, .width = 16, .banks = 8, .rowaddr = 14, .coladdr = 10, .pagesz = 2, .trcd = 1310, .trcmin = 4875, .trasmin = 3500, }; static struct mx6_ddr3_cfg mem_ddr_4g = { .mem_speed = 1600, .density = 4, .width = 16, .banks = 8, .rowaddr = 15, .coladdr = 10, .pagesz = 2, .trcd = 1310, .trcmin = 4875, .trasmin = 3500, }; static void ccgr_init(void) { struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; writel(0x00C03F3F, &ccm->CCGR0); writel(0x0030FC03, &ccm->CCGR1); writel(0x0FFFC000, &ccm->CCGR2); writel(0x3FF00000, &ccm->CCGR3); writel(0x00FFF300, &ccm->CCGR4); writel(0x0F0000C3, &ccm->CCGR5); writel(0x000003FF, &ccm->CCGR6); } static void gpr_init(void) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; /* enable AXI cache for VDOA/VPU/IPU */ writel(0xF00000CF, &iomux->gpr[4]); /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ writel(0x007F007F, &iomux->gpr[6]); writel(0x007F007F, &iomux->gpr[7]); } /* Define a minimal structure so that the part number can be read via SPL */ struct mfgdata { unsigned char tsize; /* size of checksummed part in bytes */ unsigned char ckcnt; /* checksum corrected byte */ unsigned char cksum; /* decimal serial number, packed BCD */ unsigned char serial[6]; /* part number, right justified, ASCII */ unsigned char pn[16]; }; static void conv_ascii(unsigned char *dst, unsigned char *src, int len) { int remain = len; unsigned char *sptr = src; unsigned char *dptr = dst; while (remain) { if (*sptr) { *dptr = *sptr; dptr++; } sptr++; remain--; } *dptr = 0x0; } #define CFG_MFG_ADDR_OFFSET (spi->size - SZ_16K) static bool is_2gb(void) { struct spi_flash *spi; int ret; char buf[sizeof(struct mfgdata)]; struct mfgdata *data = (struct mfgdata *)buf; unsigned char outbuf[32]; spi = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS, CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE); ret = spi_flash_read(spi, CFG_MFG_ADDR_OFFSET, sizeof(struct mfgdata), buf); if (ret) return false; /* Congatec Part Numbers 104 and 105 have 2GiB of RAM */ conv_ascii(outbuf, data->pn, sizeof(data->pn)); if (!memcmp(outbuf, "016104", 6) || !memcmp(outbuf, "016105", 6)) return true; else return false; } static void spl_dram_init(int width) { struct mx6_ddr_sysinfo sysinfo = { /* width of data bus:0=16,1=32,2=64 */ .dsize = width / 32, /* config for full 4GB range so that get_mem_size() works */ .cs_density = 32, /* 32Gb per CS */ /* single chip select */ .ncs = 1, .cs1_mirror = 0, .rtt_wr = 2, .rtt_nom = 2, .walat = 0, .ralat = 5, .mif3_mode = 3, .bi_on = 1, .sde_to_rst = 0x0d, .rst_to_cke = 0x20, }; if (is_cpu_type(MXC_CPU_MX6Q) && is_2gb()) { mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g); return; } if (is_mx6q()) { mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6q_mmcd_calib, &mem_ddr_2g); } else if (is_cpu_type(MXC_CPU_MX6SOLO)) { sysinfo.walat = 1; mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6s_mmcd_calib, &mem_ddr_4g); } else if (is_cpu_type(MXC_CPU_MX6DL)) { sysinfo.walat = 1; mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6dl_mmcd_calib, &mem_ddr_2g); } } void board_init_f(ulong dummy) { /* setup AIPS and disable watchdog */ arch_cpu_init(); ccgr_init(); gpr_init(); /* iomux and setup of i2c */ board_early_init_f(); /* setup GP timer */ timer_init(); /* UART clocks enabled and gd valid - init serial console */ preloader_console_init(); /* Needed for malloc() to work in SPL prior to board_init_r() */ spl_init(); /* DDR initialization */ if (is_cpu_type(MXC_CPU_MX6SOLO)) spl_dram_init(32); else spl_dram_init(64); /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); /* load/boot image from boot device */ board_init_r(NULL, 0); } #endif