| /* |
| * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #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/imx-common/iomux-v3.h> |
| #include <asm/imx-common/boot_mode.h> |
| #include <asm/imx-common/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-fsl.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), |
| }; |
| |
| 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 uart8_pads[] = { |
| MX6_PAD_ENET2_TX_DATA1__UART8_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_ENET2_TX_EN__UART8_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_ENET2_TX_CLK__UART8_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_ENET2_RX_ER__UART8_DCE_RTS | 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(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); |
| setenv("board_name", "xpress"); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: CCV-EVA xPress\n"); |
| |
| return 0; |
| } |