/* * Copyright (C) 2014 Freescale Semiconductor, Inc. * * Author: Ye Li * * 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 "../common/pfuze.h" #include #include #include DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ 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_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_22K_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) #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ PAD_CTL_SPEED_HIGH | \ PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST) #define I2C_PMIC 1 #define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ PAD_CTL_SRE_FAST) #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) /*Define for building port exp gpio, pin starts from 0*/ #define PORTEXP_IO_NR(chip, pin) \ ((chip << 5) + pin) /*Get the chip addr from a ioexp gpio*/ #define PORTEXP_IO_TO_CHIP(gpio_nr) \ (gpio_nr >> 5) /*Get the pin number from a ioexp gpio*/ #define PORTEXP_IO_TO_PIN(gpio_nr) \ (gpio_nr & 0x1f) #define CPU_PER_RST_B PORTEXP_IO_NR(0x30, 4) #define STEER_ENET PORTEXP_IO_NR(0x32, 2) static int port_exp_direction_output(unsigned gpio, int value) { int ret; i2c_set_bus_num(2); ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio)); if (ret) return ret; ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio), (1 << PORTEXP_IO_TO_PIN(gpio)), (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio))); if (ret) return ret; ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio), (1 << PORTEXP_IO_TO_PIN(gpio)), (value << PORTEXP_IO_TO_PIN(gpio))); if (ret) return ret; return 0; } int dram_init(void) { gd->ram_size = PHYS_SDRAM_SIZE; return 0; } static iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), }; static iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA0__USDHC3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA1__USDHC3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA2__USDHC3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA3__USDHC3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA4__USDHC3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA5__USDHC3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA6__USDHC3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA7__USDHC3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), /* CD pin */ MX6_PAD_USB_H_DATA__GPIO7_IO_10 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RST_B, used for power reset cycle */ MX6_PAD_KEY_COL1__GPIO2_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const usdhc4_pads[] = { MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA0__USDHC4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA1__USDHC4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA2__USDHC4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA3__USDHC4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA4__USDHC4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA5__USDHC4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA6__USDHC4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DATA7__USDHC4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), /* CD pin */ MX6_PAD_USB_H_STROBE__GPIO7_IO_11 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const fec2_pads[] = { MX6_PAD_ENET1_MDC__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET1_MDIO__ENET2_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_RX_CTL__ENET2_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_RD0__ENET2_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_RD1__ENET2_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_RD2__ENET2_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_RD3__ENET2_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_RXC__ENET2_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX6_PAD_RGMII2_TX_CTL__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_TD0__ENET2_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_TD1__ENET2_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_TD2__ENET2_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_TD3__ENET2_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII2_TXC__ENET2_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), }; static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } static int setup_fec(void) { struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0); return enable_fec_anatop_clock(1, ENET_125MHZ); } int board_eth_init(bd_t *bis) { int ret; imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); setup_fec(); ret = fecmxc_initialize_multi(bis, 1, CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); if (ret) printf("FEC%d MXC: %s:failed\n", 1, __func__); return ret; } int board_phy_config(struct phy_device *phydev) { /* * Enable 1.8V(SEL_1P5_1P8_POS_REG) on * Phy control debug reg 0 */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); /* rgmii tx clock delay enable */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C2 for PMIC */ struct i2c_pads_info i2c_pad_info2 = { .scl = { .i2c_mode = MX6_PAD_GPIO1_IO02__I2C2_SCL | PC, .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO_2 | PC, .gp = IMX_GPIO_NR(1, 2), }, .sda = { .i2c_mode = MX6_PAD_GPIO1_IO03__I2C2_SDA | PC, .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO_3 | PC, .gp = IMX_GPIO_NR(1, 3), }, }; /* I2C3 for IO Expander */ struct i2c_pads_info i2c_pad_info3 = { .scl = { .i2c_mode = MX6_PAD_KEY_COL4__I2C3_SCL | PC, .gpio_mode = MX6_PAD_KEY_COL4__GPIO2_IO_14 | PC, .gp = IMX_GPIO_NR(2, 14), }, .sda = { .i2c_mode = MX6_PAD_KEY_ROW4__I2C3_SDA | PC, .gpio_mode = MX6_PAD_KEY_ROW4__GPIO2_IO_19 | PC, .gp = IMX_GPIO_NR(2, 19), }, }; int power_init_board(void) { struct pmic *p; p = pfuze_common_init(I2C_PMIC); if (!p) return -ENODEV; return 0; } #ifdef CONFIG_USB_EHCI_MX6 #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) static iomux_v3_cfg_t const usb_otg_pads[] = { /* OGT1 */ MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL), /* OTG2 */ MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) }; static void setup_usb(void) { imx_iomux_v3_setup_multiple_pads(usb_otg_pads, ARRAY_SIZE(usb_otg_pads)); } int board_usb_phy_mode(int port) { if (port == 1) return USB_INIT_HOST; else return usb_phy_mode(port); } int board_ehci_hcd_init(int port) { u32 *usbnc_usb_ctrl; if (port > 1) return -EINVAL; usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + port * 4); /* Set Power polarity */ setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); return 0; } #endif int board_early_init_f(void) { setup_iomux_uart(); return 0; } static struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC3_BASE_ADDR}, {USDHC4_BASE_ADDR}, }; #define USDHC3_CD_GPIO IMX_GPIO_NR(7, 10) #define USDHC3_RST_GPIO IMX_GPIO_NR(2, 11) #define USDHC4_CD_GPIO IMX_GPIO_NR(7, 11) 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 USDHC3_BASE_ADDR: ret = !gpio_get_value(USDHC3_CD_GPIO); break; case USDHC4_BASE_ADDR: ret = !gpio_get_value(USDHC4_CD_GPIO); break; } return ret; } int board_mmc_init(bd_t *bis) { int i, ret; /* * According to the board_mmc_init() the following map is done: * (U-Boot device node) (Physical Port) * mmc0 USDHC3 * mmc1 USDHC4 */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { case 0: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); gpio_direction_input(USDHC3_CD_GPIO); /* This starts a power cycle for UHS-I. Need to set steer to B0 to A*/ gpio_direction_output(USDHC3_RST_GPIO, 0); udelay(1000); /* need 1ms at least */ gpio_direction_output(USDHC3_RST_GPIO, 1); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); gpio_direction_input(USDHC4_CD_GPIO); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); break; default: printf("Warning: you configured more USDHC controllers" "(%d) than supported by the board\n", i + 1); return -EINVAL; } ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); if (ret) { printf("Warning: failed to initialize mmc dev %d\n", i); return ret; } } return 0; } #ifdef CONFIG_FSL_QSPI #define QSPI_PAD_CTRL1 \ (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \ PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm) static iomux_v3_cfg_t const quadspi_pads[] = { MX6_PAD_QSPI1A_SS0_B__QSPI1_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1A_SCLK__QSPI1_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1A_DATA0__QSPI1_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1A_DATA1__QSPI1_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1A_DATA2__QSPI1_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1A_DATA3__QSPI1_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_SS0_B__QSPI1_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_SCLK__QSPI1_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_DATA0__QSPI1_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_DATA1__QSPI1_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_DATA2__QSPI1_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), MX6_PAD_QSPI1B_DATA3__QSPI1_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1), }; int board_qspi_init(void) { /* Set the iomux */ imx_iomux_v3_setup_multiple_pads(quadspi_pads, ARRAY_SIZE(quadspi_pads)); /* Set the clock */ enable_qspi_clk(0); return 0; } #endif #ifdef CONFIG_NAND_MXS iomux_v3_cfg_t gpmi_pads[] = { MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), }; static void setup_gpmi_nand(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; /* config gpmi nand iomux */ imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) | MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) | MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3))); /* enable apbh clock gating */ setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); } #endif int board_init(void) { /* Address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; #ifdef CONFIG_SYS_I2C_MXC setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); #endif /* Reset CPU_PER_RST_B signal for enet phy and PCIE */ port_exp_direction_output(CPU_PER_RST_B, 0); udelay(500); port_exp_direction_output(CPU_PER_RST_B, 1); /* Set steering signal to L for selecting B0 */ port_exp_direction_output(STEER_ENET, 0); #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif #ifdef CONFIG_FSL_QSPI board_qspi_init(); #endif #ifdef CONFIG_NAND_MXS setup_gpmi_nand(); #endif return 0; } #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { {"sda", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)}, {"sdb", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)}, {"nand", MAKE_CFGVAL(0x82, 0x00, 0x00, 0x00)}, {NULL, 0}, }; #endif int board_late_init(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif return 0; } int checkboard(void) { puts("Board: MX6SX SABRE AUTO\n"); return 0; }