/* * Copyright (C) 2016-2017 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de * * 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 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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE | PAD_CTL_SRE_FAST) #define WEIM_NOR_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) #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4) #define ETH_PHY_RESET IMX_GPIO_NR(1, 27) #define ECSPI3_CS0 IMX_GPIO_NR(4, 24) #define ECSPI3_FLWP IMX_GPIO_NR(4, 27) #define NOR_WP IMX_GPIO_NR(1, 1) #define DISPLAY_EN IMX_GPIO_NR(1, 2) int dram_init(void) { gd->ram_size = imx_ddr_size(); return 0; } static iomux_v3_cfg_t const uart1_pads[] = { IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_CSI0_DAT11__UART1_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)), /* Carrier MicroSD Card Detect */ IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_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 enet_pads[] = { 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)), /* KSZ9031 PHY Reset */ IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static void setup_iomux_uart(void) { SETUP_IOMUX_PADS(uart1_pads); } static void setup_iomux_enet(void) { SETUP_IOMUX_PADS(enet_pads); /* Reset KSZ9031 PHY */ gpio_direction_output(ETH_PHY_RESET, 0); mdelay(10); gpio_set_value(ETH_PHY_RESET, 1); udelay(100); } static struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC3_BASE_ADDR}, {USDHC2_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: ret = !gpio_get_value(USDHC2_CD_GPIO); break; case USDHC3_BASE_ADDR: /* * eMMC don't have card detect pin - since it is soldered to the * PCB board */ ret = 1; break; } return ret; } int board_mmc_init(bd_t *bis) { int ret; u32 index = 0; /* * MMC MAP * (U-Boot device node) (Physical Port) * mmc0 Soldered on board eMMC device * mmc1 MicroSD card */ for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: SETUP_IOMUX_PADS(usdhc3_pads); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[0].max_bus_width = 8; break; case 1: SETUP_IOMUX_PADS(usdhc2_pads); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); usdhc_cfg[1].max_bus_width = 4; gpio_direction_input(USDHC2_CD_GPIO); break; default: printf("Warning: More USDHC controllers (%d) than supported (%d)\n", index + 1, CONFIG_SYS_FSL_USDHC_NUM); return -EINVAL; } ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]); if (ret) return ret; } return 0; } static iomux_v3_cfg_t const eimnor_pads[] = { IOMUX_PADS(PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA0__EIM_AD00 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA1__EIM_AD01 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA2__EIM_AD02 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA3__EIM_AD03 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA4__EIM_AD04 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA5__EIM_AD05 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA6__EIM_AD06 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA7__EIM_AD07 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA8__EIM_AD08 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA9__EIM_AD09 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA10__EIM_AD10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA11__EIM_AD11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA12__EIM_AD12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA13__EIM_AD13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA14__EIM_AD14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA15__EIM_AD15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A24__EIM_ADDR24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_A25__EIM_ADDR25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)), IOMUX_PADS(PAD_EIM_OE__EIM_OE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_EIM_RW__EIM_RW | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_EIM_CS0__EIM_CS0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static void eimnor_cs_setup(void) { struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR; /* NOR configuration */ writel(0x00620181, &weim_regs->cs0gcr1); writel(0x00000001, &weim_regs->cs0gcr2); writel(0x0b020000, &weim_regs->cs0rcr1); writel(0x0000b000, &weim_regs->cs0rcr2); writel(0x0804a240, &weim_regs->cs0wcr1); writel(0x00000000, &weim_regs->cs0wcr2); writel(0x00000120, &weim_regs->wcr); writel(0x00000010, &weim_regs->wiar); writel(0x00000000, &weim_regs->ear); set_chipselect_size(CS0_128); } static void setup_eimnor(void) { SETUP_IOMUX_PADS(eimnor_pads); gpio_direction_output(NOR_WP, 1); enable_eim_clk(1); eimnor_cs_setup(); } /* mccmon6 board has SPI Flash is connected to SPI3 */ int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == 2 && cs == 0) ? ECSPI3_CS0 : -1; } static iomux_v3_cfg_t const ecspi3_pads[] = { /* SPI3 */ IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), }; void setup_spi(void) { SETUP_IOMUX_PADS(ecspi3_pads); enable_spi_clk(true, 2); /* set cs0 to high */ gpio_direction_output(ECSPI3_CS0, 1); /* set flwp to high */ gpio_direction_output(ECSPI3_FLWP, 1); } struct i2c_pads_info mx6q_i2c1_pad_info = { .scl = { .i2c_mode = MX6Q_PAD_CSI0_DAT9__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), .gpio_mode = MX6Q_PAD_CSI0_DAT9__GPIO5_IO27 | MUX_PAD_CTRL(I2C_PAD_CTRL), .gp = IMX_GPIO_NR(5, 27) }, .sda = { .i2c_mode = MX6Q_PAD_CSI0_DAT8__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), .gpio_mode = MX6Q_PAD_CSI0_DAT8__GPIO5_IO26 | MUX_PAD_CTRL(I2C_PAD_CTRL), .gp = IMX_GPIO_NR(5, 26) } }; struct i2c_pads_info mx6q_i2c2_pad_info = { .scl = { .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL), .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL), .gp = IMX_GPIO_NR(4, 13) } }; int board_eth_init(bd_t *bis) { setup_iomux_enet(); return cpu_eth_init(bis); } 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; gpio_direction_output(DISPLAY_EN, 1); setup_eimnor(); setup_spi(); setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c1_pad_info); setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info); return 0; } int board_late_init(void) { env_set("board_name", "mccmon6"); return 0; } int checkboard(void) { puts("Board: MCCMON6\n"); return 0; } int board_phy_config(struct phy_device *phydev) { /* * Default setting for GMII Clock Pad Skew Register 0x1EF: * MMD Address 0x2h, Register 0x8h * * GTX_CLK Pad Skew 0xF -> 0.9 nsec skew * RX_CLK Pad Skew 0xF -> 0.9 nsec skew * * Adjustment -> write 0x3FF: * GTX_CLK Pad Skew 0x1F -> 1.8 nsec skew * RX_CLK Pad Skew 0x1F -> 1.8 nsec skew * */ ksz9031_phy_extended_write(phydev, 0x2, MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x3FF); ksz9031_phy_extended_write(phydev, 0x02, MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x00FF); ksz9031_phy_extended_write(phydev, 0x2, MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x3333); ksz9031_phy_extended_write(phydev, 0x2, MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x2052); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } #ifdef CONFIG_SPL_BOARD_INIT void spl_board_init(void) { setup_eimnor(); gpio_direction_output(DISPLAY_EN, 1); } #endif /* CONFIG_SPL_BOARD_INIT */ #ifdef CONFIG_SPL_BUILD void board_boot_order(u32 *spl_boot_list) { switch (spl_boot_device()) { case BOOT_DEVICE_MMC2: case BOOT_DEVICE_MMC1: spl_boot_list[0] = BOOT_DEVICE_MMC2; spl_boot_list[1] = BOOT_DEVICE_MMC1; break; case BOOT_DEVICE_NOR: spl_boot_list[0] = BOOT_DEVICE_NOR; break; } } #endif /* CONFIG_SPL_BUILD */ #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { char s[16]; int ret; /* * We use BOOT_DEVICE_MMC1, but SD card is connected * to MMC2 * * Correct "mapping" is delivered in board defined * board_boot_order() function. * * SD card boot is regarded as a "development" one, * hence we _always_ go through the u-boot. * */ if (spl_boot_device() == BOOT_DEVICE_MMC1) return 1; /* break into full u-boot on 'c' */ if (serial_tstc() && serial_getc() == 'c') return 1; env_init(); ret = env_get_f("boot_os", s, sizeof(s)); if ((ret != -1) && (strcmp(s, "no") == 0)) return 1; /* * Check if SWUpdate recovery needs to be started * * recovery_status = NULL (not set - ret == -1) -> normal operation * * recovery_status = progress or * recovery_status = failed or * recovery_status = -> start SWUpdate * */ ret = env_get_f("recovery_status", s, sizeof(s)); if (ret != -1) return 1; return 0; } #endif /* CONFIG_SPL_OS_BOOT */