| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright 2018 NXP |
| */ |
| |
| #include <common.h> |
| #include <errno.h> |
| #include <linux/libfdt.h> |
| #include <environment.h> |
| #include <fsl_esdhc.h> |
| #include <asm/io.h> |
| #include <asm/gpio.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/sci/sci.h> |
| #include <asm/arch/imx8-pins.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/arch/sys_proto.h> |
| #include <imx8_hsio.h> |
| #include <usb.h> |
| #include <asm/mach-imx/video.h> |
| #include <asm/arch/video_common.h> |
| #include <power-domain.h> |
| #include "../common/tcpc.h" |
| #include <cdns3-uboot.h> |
| #include <asm/arch/lpcg.h> |
| #include <bootm.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define ENET_INPUT_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \ |
| | (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) |
| |
| #define ENET_NORMAL_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \ |
| | (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) |
| |
| #define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | \ |
| (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ |
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ |
| (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) |
| |
| #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \ |
| (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \ |
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \ |
| (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) |
| |
| static iomux_cfg_t uart0_pads[] = { |
| SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_uart(void) |
| { |
| imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads)); |
| } |
| |
| int board_early_init_f(void) |
| { |
| int ret; |
| /* Set UART0 clock root to 80 MHz */ |
| sc_pm_clock_rate_t rate = 80000000; |
| |
| /* Power up UART0 */ |
| ret = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON); |
| if (ret) |
| return ret; |
| |
| ret = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate); |
| if (ret) |
| return ret; |
| |
| /* Enable UART0 clock root */ |
| ret = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false); |
| if (ret) |
| return ret; |
| |
| lpcg_all_clock_on(LPUART_0_LPCG); |
| |
| setup_iomux_uart(); |
| |
| return 0; |
| } |
| |
| #if IS_ENABLED(CONFIG_DM_GPIO) |
| static void board_gpio_init(void) |
| { |
| struct gpio_desc desc; |
| int ret; |
| |
| ret = dm_gpio_lookup_name("gpio@1a_3", &desc); |
| if (ret) |
| return; |
| |
| ret = dm_gpio_request(&desc, "bb_per_rst_b"); |
| if (ret) |
| return; |
| |
| dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); |
| dm_gpio_set_value(&desc, 0); |
| udelay(50); |
| dm_gpio_set_value(&desc, 1); |
| } |
| #else |
| static inline void board_gpio_init(void) {} |
| #endif |
| |
| #if IS_ENABLED(CONFIG_FEC_MXC) |
| #include <miiphy.h> |
| |
| #ifndef CONFIG_DM_ETH |
| static iomux_cfg_t pad_enet1[] = { |
| SC_P_SPDIF0_TX | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_SPDIF0_RX | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ESAI0_TX3_RX2 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ESAI0_TX2_RX3 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ESAI0_TX1 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ESAI0_TX0 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ESAI0_SCKR | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ESAI0_TX4_RX1 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ESAI0_TX5_RX0 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ESAI0_FST | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ESAI0_SCKT | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ESAI0_FSR | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| |
| /* Shared MDIO */ |
| SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| }; |
| |
| static iomux_cfg_t pad_enet0[] = { |
| SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_RXD2 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_RXD3 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_RXC | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL), |
| SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_RGMII_TXD2 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_RGMII_TXD3 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_RGMII_TXC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| |
| /* Shared MDIO */ |
| SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_fec(void) |
| { |
| if (0 == CONFIG_FEC_ENET_DEV) |
| imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0)); |
| else |
| imx8_iomux_setup_multiple_pads(pad_enet1, ARRAY_SIZE(pad_enet1)); |
| } |
| |
| static void enet_device_phy_reset(void) |
| { |
| struct gpio_desc desc; |
| int ret; |
| |
| /* The BB_PER_RST_B will reset the ENET1 PHY */ |
| if (0 == CONFIG_FEC_ENET_DEV) { |
| ret = dm_gpio_lookup_name("gpio@1a_4", &desc); |
| if (ret) |
| return; |
| |
| ret = dm_gpio_request(&desc, "enet0_reset"); |
| if (ret) |
| return; |
| |
| dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); |
| dm_gpio_set_value(&desc, 0); |
| udelay(50); |
| dm_gpio_set_value(&desc, 1); |
| } |
| |
| /* The board has a long delay for this reset to become stable */ |
| mdelay(200); |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| int ret; |
| struct power_domain pd; |
| |
| printf("[%s] %d\n", __func__, __LINE__); |
| |
| /* Reset ENET PHY */ |
| enet_device_phy_reset(); |
| |
| if (CONFIG_FEC_ENET_DEV) { |
| if (!power_domain_lookup_name("conn_enet1", &pd)) |
| power_domain_on(&pd); |
| } else { |
| if (!power_domain_lookup_name("conn_enet0", &pd)) |
| power_domain_on(&pd); |
| } |
| |
| setup_iomux_fec(); |
| |
| ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV, |
| CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); |
| if (ret) |
| printf("FEC1 MXC: %s:failed\n", __func__); |
| |
| return ret; |
| } |
| #endif |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); |
| |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee); |
| 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; |
| } |
| #endif |
| |
| int checkboard(void) |
| { |
| puts("Board: iMX8QXP MEK\n"); |
| |
| print_bootinfo(); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_FSL_HSIO |
| |
| #define PCIE_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT)) |
| static iomux_cfg_t board_pcie_pins[] = { |
| SC_P_PCIE_CTRL0_CLKREQ_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL), |
| SC_P_PCIE_CTRL0_WAKE_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL), |
| SC_P_PCIE_CTRL0_PERST_B | MUX_MODE_ALT(0) | MUX_PAD_CTRL(PCIE_PAD_CTRL), |
| }; |
| |
| static void imx8qxp_hsio_initialize(void) |
| { |
| struct power_domain pd; |
| int ret; |
| |
| if (!power_domain_lookup_name("hsio_pcie1", &pd)) { |
| ret = power_domain_on(&pd); |
| if (ret) |
| printf("hsio_pcie1 Power up failed! (error = %d)\n", ret); |
| } |
| |
| if (!power_domain_lookup_name("hsio_gpio", &pd)) { |
| ret = power_domain_on(&pd); |
| if (ret) |
| printf("hsio_gpio Power up failed! (error = %d)\n", ret); |
| } |
| |
| lpcg_all_clock_on(HSIO_PCIE_X1_LPCG); |
| lpcg_all_clock_on(HSIO_PHY_X1_LPCG); |
| lpcg_all_clock_on(HSIO_PHY_X1_CRR1_LPCG); |
| lpcg_all_clock_on(HSIO_PCIE_X1_CRR3_LPCG); |
| lpcg_all_clock_on(HSIO_MISC_LPCG); |
| lpcg_all_clock_on(HSIO_GPIO_LPCG); |
| |
| imx8_iomux_setup_multiple_pads(board_pcie_pins, ARRAY_SIZE(board_pcie_pins)); |
| } |
| |
| void pci_init_board(void) |
| { |
| imx8qxp_hsio_initialize(); |
| |
| /* test the 1 lane mode of the PCIe A controller */ |
| mx8qxp_pcie_init(); |
| } |
| |
| #endif |
| |
| #ifdef CONFIG_USB |
| |
| #ifdef CONFIG_USB_TCPC |
| #define USB_TYPEC_SEL IMX_GPIO_NR(5, 9) |
| static iomux_cfg_t ss_mux_gpio[] = { |
| SC_P_ENET0_REFCLK_125M_25M | MUX_MODE_ALT(4) | MUX_PAD_CTRL(GPIO_PAD_CTRL), |
| }; |
| |
| struct tcpc_port port; |
| struct tcpc_port_config port_config = { |
| .i2c_bus = 1, |
| .addr = 0x50, |
| .port_type = TYPEC_PORT_DFP, |
| }; |
| |
| void ss_mux_select(enum typec_cc_polarity pol) |
| { |
| if (pol == TYPEC_POLARITY_CC1) |
| gpio_direction_output(USB_TYPEC_SEL, 0); |
| else |
| gpio_direction_output(USB_TYPEC_SEL, 1); |
| } |
| |
| static void setup_typec(void) |
| { |
| int ret; |
| struct gpio_desc typec_en_desc; |
| |
| imx8_iomux_setup_multiple_pads(ss_mux_gpio, ARRAY_SIZE(ss_mux_gpio)); |
| gpio_request(USB_TYPEC_SEL, "typec_sel"); |
| |
| ret = dm_gpio_lookup_name("gpio@1a_7", &typec_en_desc); |
| if (ret) { |
| printf("%s lookup gpio@1a_7 failed ret = %d\n", __func__, ret); |
| return; |
| } |
| |
| ret = dm_gpio_request(&typec_en_desc, "typec_en"); |
| if (ret) { |
| printf("%s request typec_en failed ret = %d\n", __func__, ret); |
| return; |
| } |
| |
| /* Enable SS MUX */ |
| dm_gpio_set_dir_flags(&typec_en_desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); |
| |
| tcpc_init(&port, port_config, &ss_mux_select); |
| } |
| #endif |
| |
| #ifdef CONFIG_USB_CDNS3_GADGET |
| static struct cdns3_device cdns3_device_data = { |
| .none_core_base = 0x5B110000, |
| .xhci_base = 0x5B130000, |
| .dev_base = 0x5B140000, |
| .phy_base = 0x5B160000, |
| .otg_base = 0x5B120000, |
| .dr_mode = USB_DR_MODE_PERIPHERAL, |
| .index = 1, |
| }; |
| |
| int usb_gadget_handle_interrupts(int index) |
| { |
| cdns3_uboot_handle_interrupt(index); |
| return 0; |
| } |
| #endif |
| |
| int board_usb_init(int index, enum usb_init_type init) |
| { |
| int ret = 0; |
| |
| if (index == 1) { |
| if (init == USB_INIT_HOST) { |
| #ifdef CONFIG_USB_TCPC |
| ret = tcpc_setup_dfp_mode(&port); |
| #endif |
| #ifdef CONFIG_USB_CDNS3_GADGET |
| } else { |
| #ifdef CONFIG_SPL_BUILD |
| ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2, SC_PM_PW_MODE_ON); |
| if (ret != SC_ERR_NONE) |
| printf("conn_usb2 Power up failed! (error = %d)\n", ret); |
| |
| ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2_PHY, SC_PM_PW_MODE_ON); |
| if (ret != SC_ERR_NONE) |
| printf("conn_usb2_phy Power up failed! (error = %d)\n", ret); |
| #else |
| struct power_domain pd; |
| int ret; |
| |
| if (!power_domain_lookup_name("conn_usb2_phy", &pd)) { |
| ret = power_domain_on(&pd); |
| if (ret) |
| printf("conn_usb2_phy Power up failed! (error = %d)\n", ret); |
| } |
| |
| /* Power on usb */ |
| if (!power_domain_lookup_name("conn_usb2", &pd)) { |
| ret = power_domain_on(&pd); |
| if (ret) |
| printf("conn_usb2 Power up failed! (error = %d)\n", ret); |
| } |
| #endif |
| |
| #ifdef CONFIG_USB_TCPC |
| ret = tcpc_setup_ufp_mode(&port); |
| printf("%d setufp mode %d\n", index, ret); |
| #endif |
| |
| ret = cdns3_uboot_init(&cdns3_device_data); |
| printf("%d cdns3_uboot_initmode %d\n", index, ret); |
| #endif |
| } |
| } |
| |
| return ret; |
| |
| } |
| |
| int board_usb_cleanup(int index, enum usb_init_type init) |
| { |
| int ret = 0; |
| |
| if (index == 1) { |
| if (init == USB_INIT_HOST) { |
| #ifdef CONFIG_USB_TCPC |
| ret = tcpc_disable_src_vbus(&port); |
| #endif |
| #ifdef CONFIG_USB_CDNS3_GADGET |
| } else { |
| cdns3_uboot_exit(1); |
| |
| #ifdef CONFIG_SPL_BUILD |
| ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2, SC_PM_PW_MODE_OFF); |
| if (ret != SC_ERR_NONE) |
| printf("conn_usb2 Power down failed! (error = %d)\n", ret); |
| |
| ret = sc_pm_set_resource_power_mode(-1, SC_R_USB_2_PHY, SC_PM_PW_MODE_OFF); |
| if (ret != SC_ERR_NONE) |
| printf("conn_usb2_phy Power down failed! (error = %d)\n", ret); |
| #else |
| struct power_domain pd; |
| int ret; |
| |
| /* Power off usb */ |
| if (!power_domain_lookup_name("conn_usb2_phy", &pd)) { |
| ret = power_domain_off(&pd); |
| if (ret) |
| printf("conn_usb2_phy Power down failed! (error = %d)\n", ret); |
| } |
| |
| if (!power_domain_lookup_name("conn_usb2", &pd)) { |
| ret = power_domain_off(&pd); |
| if (ret) |
| printf("conn_usb2 Power down failed! (error = %d)\n", ret); |
| } |
| #endif |
| #endif |
| } |
| } |
| |
| return ret; |
| } |
| #endif |
| |
| int board_init(void) |
| { |
| board_gpio_init(); |
| |
| #if defined(CONFIG_USB) && defined(CONFIG_USB_TCPC) |
| setup_typec(); |
| #endif |
| |
| return 0; |
| } |
| |
| void board_quiesce_devices() |
| { |
| const char *power_on_devices[] = { |
| "dma_lpuart0", |
| |
| /* HIFI DSP boot */ |
| "audio_sai0", |
| "audio_ocram", |
| }; |
| |
| power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices)); |
| } |
| |
| void detail_board_ddr_info(void) |
| { |
| puts("\nDDR "); |
| } |
| |
| /* |
| * Board specific reset that is system reset. |
| */ |
| void reset_cpu(ulong addr) |
| { |
| /* TODO */ |
| } |
| |
| #ifdef CONFIG_OF_BOARD_SETUP |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| return 0; |
| } |
| #endif |
| |
| int board_late_init(void) |
| { |
| char *fdt_file; |
| bool m4_boot; |
| |
| #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
| env_set("board_name", "MEK"); |
| env_set("board_rev", "iMX8QXP"); |
| #endif |
| |
| env_set("sec_boot", "no"); |
| #ifdef CONFIG_AHAB_BOOT |
| env_set("sec_boot", "yes"); |
| #endif |
| |
| fdt_file = env_get("fdt_file"); |
| m4_boot = check_m4_parts_boot(); |
| |
| if (fdt_file && !strcmp(fdt_file, "undefined")) { |
| if (m4_boot) |
| env_set("fdt_file", "fsl-imx8qxp-mek-rpmsg.dtb"); |
| else |
| env_set("fdt_file", "fsl-imx8qxp-mek.dtb"); |
| } |
| |
| #ifdef CONFIG_ENV_IS_IN_MMC |
| board_late_mmc_env_init(); |
| #endif |
| |
| return 0; |
| } |
| |
| #if defined(CONFIG_VIDEO_IMXDPUV1) |
| static void enable_lvds(struct display_info_t const *dev) |
| { |
| struct gpio_desc desc; |
| int ret; |
| |
| /* MIPI_DSI0_EN on IOEXP 0x1a port 6, MIPI_DSI1_EN on IOEXP 0x1d port 7 */ |
| ret = dm_gpio_lookup_name("gpio@1a_6", &desc); |
| if (ret) |
| return; |
| |
| ret = dm_gpio_request(&desc, "lvds0_en"); |
| if (ret) |
| return; |
| |
| dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); |
| |
| display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000)); |
| lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000)); |
| lvds_configure(dev->bus); |
| lvds2hdmi_setup(13); |
| } |
| |
| struct display_info_t const displays[] = {{ |
| .bus = 0, /* LVDS0 */ |
| .addr = 0, /* LVDS0 */ |
| .pixfmt = IMXDPUV1_PIX_FMT_BGRA32, |
| .detect = NULL, |
| .enable = enable_lvds, |
| .mode = { |
| .name = "IT6263", /* 720P60 */ |
| .refresh = 60, |
| .xres = 1280, |
| .yres = 720, |
| .pixclock = 13468, /* 74250000 */ |
| .left_margin = 110, |
| .right_margin = 220, |
| .upper_margin = 5, |
| .lower_margin = 20, |
| .hsync_len = 40, |
| .vsync_len = 5, |
| .sync = FB_SYNC_EXT, |
| .vmode = FB_VMODE_NONINTERLACED |
| } } }; |
| size_t display_count = ARRAY_SIZE(displays); |
| |
| #endif /* CONFIG_VIDEO_IMXDPUV1 */ |
| |