|  | // SPDX-License-Identifier: GPL-2.0+ | 
|  | /* | 
|  | * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de> | 
|  | */ | 
|  |  | 
|  | #include <asm/arch/clock.h> | 
|  | #include <asm/arch/iomux.h> | 
|  | #include <asm/arch/imx-regs.h> | 
|  | #include <asm/arch/crm_regs.h> | 
|  | #include <asm/arch/mx6ul_pins.h> | 
|  | #include <asm/arch/mx6-pins.h> | 
|  | #include <asm/arch/sys_proto.h> | 
|  | #include <asm/gpio.h> | 
|  | #include <asm/mach-imx/iomux-v3.h> | 
|  | #include <asm/mach-imx/boot_mode.h> | 
|  | #include <asm/mach-imx/mxc_i2c.h> | 
|  | #include <asm/io.h> | 
|  | #include <common.h> | 
|  | #include <fsl_esdhc.h> | 
|  | #include <i2c.h> | 
|  | #include <miiphy.h> | 
|  | #include <mmc.h> | 
|  | #include <netdev.h> | 
|  | #include <usb.h> | 
|  | #include <usb/ehci-ci.h> | 
|  |  | 
|  | 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 MDIO_PAD_CTRL  (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE |     \ | 
|  | PAD_CTL_DSE_48ohm   | PAD_CTL_SRE_FAST | PAD_CTL_ODE) | 
|  |  | 
|  | #define ENET_CLK_PAD_CTRL  (PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST) | 
|  |  | 
|  | #define ENET_RX_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |          \ | 
|  | PAD_CTL_SPEED_HIGH   | PAD_CTL_SRE_FAST) | 
|  |  | 
|  | #define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\ | 
|  | PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |		\ | 
|  | PAD_CTL_DSE_80ohm | PAD_CTL_HYS |			\ | 
|  | PAD_CTL_SRE_FAST) | 
|  |  | 
|  | #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) | 
|  |  | 
|  | static struct i2c_pads_info i2c_pad_info1 = { | 
|  | .scl = { | 
|  | .i2c_mode =  MX6_PAD_GPIO1_IO02__I2C1_SCL | PC, | 
|  | .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 2), | 
|  | }, | 
|  | .sda = { | 
|  | .i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC, | 
|  | .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 3), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct i2c_pads_info i2c_pad_info2 = { | 
|  | .scl = { | 
|  | .i2c_mode =  MX6_PAD_GPIO1_IO00__I2C2_SCL | PC, | 
|  | .gpio_mode = MX6_PAD_GPIO1_IO00__GPIO1_IO00 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 0), | 
|  | }, | 
|  | .sda = { | 
|  | .i2c_mode = MX6_PAD_GPIO1_IO01__I2C2_SDA | PC, | 
|  | .gpio_mode = MX6_PAD_GPIO1_IO01__GPIO1_IO01 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 1), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct i2c_pads_info i2c_pad_info4 = { | 
|  | .scl = { | 
|  | .i2c_mode =  MX6_PAD_UART2_TX_DATA__I2C4_SCL | PC, | 
|  | .gpio_mode = MX6_PAD_UART2_TX_DATA__GPIO1_IO20 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 20), | 
|  | }, | 
|  | .sda = { | 
|  | .i2c_mode = MX6_PAD_UART2_RX_DATA__I2C4_SDA | PC, | 
|  | .gpio_mode = MX6_PAD_UART2_RX_DATA__GPIO1_IO21 | PC, | 
|  | .gp = IMX_GPIO_NR(1, 21), | 
|  | }, | 
|  | }; | 
|  |  | 
|  | int dram_init(void) | 
|  | { | 
|  | gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static iomux_v3_cfg_t const uart1_pads[] = { | 
|  | MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_UART1_CTS_B__UART1_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_UART1_RTS_B__UART1_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static iomux_v3_cfg_t const uart4_pads[] = { | 
|  | MX6_PAD_UART4_TX_DATA__UART4_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_UART4_RX_DATA__UART4_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static iomux_v3_cfg_t const uart5_pads[] = { | 
|  | MX6_PAD_GPIO1_IO04__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_GPIO1_IO05__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_GPIO1_IO09__UART5_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_GPIO1_IO08__UART5_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static iomux_v3_cfg_t const uart7_pads[] = { | 
|  | MX6_PAD_ENET2_RX_EN__UART7_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_ENET2_TX_DATA0__UART7_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static iomux_v3_cfg_t const uart8_pads[] = { | 
|  | MX6_PAD_LCD_DATA20__UART8_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | MX6_PAD_LCD_DATA21__UART8_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static void setup_iomux_uart(void) | 
|  | { | 
|  | imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); | 
|  | imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); | 
|  | imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); | 
|  | imx_iomux_v3_setup_multiple_pads(uart7_pads, ARRAY_SIZE(uart7_pads)); | 
|  | imx_iomux_v3_setup_multiple_pads(uart8_pads, ARRAY_SIZE(uart8_pads)); | 
|  | } | 
|  |  | 
|  | /* eMMC on USDHC2 */ | 
|  | static iomux_v3_cfg_t const usdhc2_pads[] = { | 
|  | MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  | MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), | 
|  |  | 
|  | /* | 
|  | * RST_B | 
|  | */ | 
|  | MX6_PAD_NAND_ALE__USDHC2_RESET_B | MUX_PAD_CTRL(NO_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | static struct fsl_esdhc_cfg usdhc_cfg = { | 
|  | .esdhc_base = USDHC2_BASE_ADDR, | 
|  | .max_bus_width = 8, | 
|  | }; | 
|  |  | 
|  | #define USDHC2_PWR_GPIO	IMX_GPIO_NR(1, 9) | 
|  |  | 
|  | int board_mmc_getcd(struct mmc *mmc) | 
|  | { | 
|  | /* eMMC is always present */ | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | int board_mmc_init(bd_t *bis) | 
|  | { | 
|  | imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); | 
|  |  | 
|  | usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); | 
|  |  | 
|  | return fsl_esdhc_initialize(bis, &usdhc_cfg); | 
|  | } | 
|  |  | 
|  | #define USB_OTHERREGS_OFFSET	0x800 | 
|  | #define UCTRL_PWR_POL		(1 << 9) | 
|  |  | 
|  | static iomux_v3_cfg_t const usb_otg_pads[] = { | 
|  | /* OTG1 */ | 
|  | MX6_PAD_SD1_CMD__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), | 
|  | MX6_PAD_SD1_DATA0__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTGID_PAD_CTRL), | 
|  | /* OTG2 */ | 
|  | MX6_PAD_SD1_DATA1__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), | 
|  | MX6_PAD_SD1_DATA3__ANATOP_OTG2_ID | MUX_PAD_CTRL(OTGID_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; | 
|  | } | 
|  |  | 
|  | static iomux_v3_cfg_t const fec1_pads[] = { | 
|  | MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL), | 
|  | MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), | 
|  | MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  | MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), | 
|  |  | 
|  | /* ENET1 reset */ | 
|  | MX6_PAD_CSI_MCLK__GPIO4_IO17 | MUX_PAD_CTRL(NO_PAD_CTRL), | 
|  | /* ENET1 interrupt */ | 
|  | MX6_PAD_CSI_PIXCLK__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL), | 
|  | }; | 
|  |  | 
|  | #define ENET_PHY_RESET_GPIO IMX_GPIO_NR(4, 17) | 
|  |  | 
|  | int board_eth_init(bd_t *bis) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); | 
|  |  | 
|  | /* Reset LAN8742 PHY */ | 
|  | ret = gpio_request(ENET_PHY_RESET_GPIO, "phy-reset"); | 
|  | if (!ret) | 
|  | gpio_direction_output(ENET_PHY_RESET_GPIO , 0); | 
|  | mdelay(10); | 
|  | gpio_set_value(ENET_PHY_RESET_GPIO, 1); | 
|  | mdelay(10); | 
|  |  | 
|  | return cpu_eth_init(bis); | 
|  | } | 
|  |  | 
|  | static int setup_fec(int fec_id) | 
|  | { | 
|  | struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; | 
|  | int ret; | 
|  |  | 
|  | /* | 
|  | * Use 50M anatop loopback REF_CLK1 for ENET1, | 
|  | * clear gpr1[13], set gpr1[17]. | 
|  | */ | 
|  | clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, | 
|  | IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK); | 
|  |  | 
|  | ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | enable_enet_clk(1); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int board_phy_config(struct phy_device *phydev) | 
|  | { | 
|  | if (phydev->drv->config) | 
|  | phydev->drv->config(phydev); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int board_early_init_f(void) | 
|  | { | 
|  | setup_iomux_uart(); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int board_init(void) | 
|  | { | 
|  | /* Address of boot parameters */ | 
|  | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | 
|  |  | 
|  | setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); | 
|  | setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); | 
|  | setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4); | 
|  |  | 
|  | setup_fec(CONFIG_FEC_ENET_DEV); | 
|  |  | 
|  | setup_usb(); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct boot_mode board_boot_modes[] = { | 
|  | /* 8 bit bus width */ | 
|  | {"emmc", MAKE_CFGVAL(0x60, 0x28, 0x00, 0x00)}, | 
|  | { NULL, 0 }, | 
|  | }; | 
|  |  | 
|  | int board_late_init(void) | 
|  | { | 
|  | add_board_boot_modes(board_boot_modes); | 
|  | env_set("board_name", "xpress"); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int checkboard(void) | 
|  | { | 
|  | puts("Board: CCV-EVA xPress\n"); | 
|  |  | 
|  | return 0; | 
|  | } |