| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2017 NXP Semiconductors |
| */ |
| |
| #include <asm/arch/clock.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/mx7-pins.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/gpio.h> |
| #include <asm/mach-imx/iomux-v3.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 <power/pmic.h> |
| #include <power/pfuze3000_pmic.h> |
| #include "../../freescale/common/pfuze.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ |
| PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) |
| |
| #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ |
| PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) |
| |
| #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) |
| #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM) |
| |
| #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) |
| |
| #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ |
| PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) |
| |
| #ifdef CONFIG_SYS_I2C_MXC |
| #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) |
| /* I2C4 for PMIC */ |
| static struct i2c_pads_info i2c_pad_info4 = { |
| .scl = { |
| .i2c_mode = MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL | PC, |
| .gpio_mode = MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 | PC, |
| .gp = IMX_GPIO_NR(6, 16), |
| }, |
| .sda = { |
| .i2c_mode = MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA | PC, |
| .gpio_mode = MX7D_PAD_SAI1_RX_BCLK__GPIO6_IO17 | PC, |
| .gp = IMX_GPIO_NR(6, 17), |
| }, |
| }; |
| #endif |
| |
| int dram_init(void) |
| { |
| gd->ram_size = PHYS_SDRAM_SIZE; |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_POWER |
| #define I2C_PMIC 3 |
| int power_init_board(void) |
| { |
| struct pmic *p; |
| int ret; |
| unsigned int reg, rev_id; |
| |
| ret = power_pfuze3000_init(I2C_PMIC); |
| if (ret) |
| return ret; |
| |
| p = pmic_get("PFUZE3000"); |
| ret = pmic_probe(p); |
| if (ret) |
| return ret; |
| |
| pmic_reg_read(p, PFUZE3000_DEVICEID, ®); |
| pmic_reg_read(p, PFUZE3000_REVID, &rev_id); |
| printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); |
| |
| /* disable Low Power Mode during standby mode */ |
| pmic_reg_read(p, PFUZE3000_LDOGCTL, ®); |
| reg |= 0x1; |
| pmic_reg_write(p, PFUZE3000_LDOGCTL, reg); |
| |
| /* SW1A/1B mode set to APS/APS */ |
| reg = 0x8; |
| pmic_reg_write(p, PFUZE3000_SW1AMODE, reg); |
| pmic_reg_write(p, PFUZE3000_SW1BMODE, reg); |
| |
| /* SW1A/1B standby voltage set to 1.025V */ |
| reg = 0xd; |
| pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg); |
| pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg); |
| |
| /* decrease SW1B normal voltage to 0.975V */ |
| pmic_reg_read(p, PFUZE3000_SW1BVOLT, ®); |
| reg &= ~0x1f; |
| reg |= PFUZE3000_SW1AB_SETP(975); |
| pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg); |
| |
| return 0; |
| } |
| #endif |
| |
| static iomux_v3_cfg_t const wdog_pads[] = { |
| MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const uart5_pads[] = { |
| MX7D_PAD_I2C4_SCL__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX7D_PAD_I2C4_SDA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc3_emmc_pads[] = { |
| MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX7D_PAD_GPIO1_IO14__GPIO1_IO14 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| |
| #ifdef CONFIG_FEC_MXC |
| static iomux_v3_cfg_t const fec1_pads[] = { |
| MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), |
| MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), |
| MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX7D_PAD_SD3_STROBE__GPIO6_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| #define FEC1_RST_GPIO IMX_GPIO_NR(6, 11) |
| |
| static void setup_iomux_fec(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); |
| |
| gpio_direction_output(FEC1_RST_GPIO, 0); |
| udelay(500); |
| gpio_set_value(FEC1_RST_GPIO, 1); |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| setup_iomux_fec(); |
| |
| return fecmxc_initialize_multi(bis, 0, |
| CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); |
| } |
| |
| static int setup_fec(void) |
| { |
| struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs |
| = (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; |
| |
| /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17] */ |
| clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], |
| (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | |
| IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); |
| |
| return set_clk_enet(ENET_125MHZ); |
| } |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| unsigned short val; |
| |
| /* To enable AR8035 ouput a 125MHz clk from CLK_25M */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); |
| |
| val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); |
| val &= 0xffe7; |
| val |= 0x18; |
| phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 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); |
| |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| #endif |
| |
| static void setup_iomux_uart(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); |
| } |
| |
| static struct fsl_esdhc_cfg usdhc_cfg[1] = { |
| {USDHC3_BASE_ADDR}, |
| }; |
| |
| int board_mmc_getcd(struct mmc *mmc) |
| { |
| /* Assume uSDHC3 emmc is always present */ |
| return 1; |
| } |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads)); |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| |
| return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); |
| } |
| |
| int board_early_init_f(void) |
| { |
| setup_iomux_uart(); |
| |
| #ifdef CONFIG_SYS_I2C_MXC |
| setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4); |
| #endif |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| /* address of boot parameters */ |
| gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| |
| #ifdef CONFIG_FEC_MXC |
| setup_fec(); |
| #endif |
| |
| return 0; |
| } |
| |
| int board_late_init(void) |
| { |
| struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; |
| |
| imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); |
| |
| set_wdog_reset(wdog); |
| |
| /* |
| * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), |
| * since we use PMIC_PWRON to reset the board. |
| */ |
| clrsetbits_le16(&wdog->wcr, 0, 0x10); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: i.MX7D PICOSOM\n"); |
| |
| return 0; |
| } |
| |
| int board_usb_phy_mode(int port) |
| { |
| return USB_INIT_DEVICE; |
| } |