imx: support for conga-QMX8 board
Add i.MX8QM qmx8 congatec board support
U-Boot 2021.07-rc3-00528-gc9a966d9dd (May 31 2021 - 15:21:25 +0200)
CPU: NXP i.MX8QM RevB A53 at 1200 MHz
Model: Congatec QMX8 Qseven series
Board: conga-QMX8
Build: SCFW 494c97f3, SECO-FW d63fdb21, ATF 09c5cc9
Boot: SD2
DRAM: 6 GiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
Loading Environment from MMC... OK
In: serial@5a060000
Out: serial@5a060000
Err: serial@5a060000
switch to partitions #0, OK
mmc2 is current device
Net:
Error: ethernet@5b040000 address not set.
No ethernet found.
Hit any key to stop autoboot: 0
Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Ye Li <ye.li@nxp.com>
Cc: uboot-imx <uboot-imx@nxp.com>
diff --git a/board/congatec/cgtqmx8/cgtqmx8.c b/board/congatec/cgtqmx8/cgtqmx8.c
new file mode 100644
index 0000000..fb0cf09
--- /dev/null
+++ b/board/congatec/cgtqmx8/cgtqmx8.c
@@ -0,0 +1,460 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 congatec AG
+ * Copyright (C) 2019 Oliver Graute <oliver.graute@kococonnector.com>
+ */
+#include <common.h>
+#include <errno.h>
+#include <linux/libfdt.h>
+#include <fsl_esdhc.h>
+#include <init.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 <usb.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/delay.h>
+#include <power-domain.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define ESDHC_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 ESDHC_CLK_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))
+
+#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 FSPI_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 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 I2C_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
+ (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
+ (SC_PAD_28FDSOI_DSE_DV_LOW << 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),
+};
+
+void board_late_mmc_env_init(void);
+void init_clk_usdhc(u32 index);
+int fsl_esdhc_initialize(struct bd_info *bis, struct fsl_esdhc_cfg *cfg);
+
+static void setup_iomux_uart(void)
+{
+ imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
+}
+
+int board_early_init_f(void)
+{
+ /* sc_ipc_t ipcHndl = 0; */
+ sc_err_t scierr = 0;
+
+ /* When start u-boot in XEN VM, directly return */
+ /* if (IS_ENABLED(CONFIG_XEN)) */
+ /* return 0; */
+
+ /* ipcHndl = gd->arch.ipc_channel_handle; */
+
+ /* Power up UART0, this is very early while power domain is not working */
+ scierr = sc_pm_set_resource_power_mode(-1, SC_R_UART_0, SC_PM_PW_MODE_ON);
+ if (scierr != SC_ERR_NONE)
+ return 0;
+
+ /* Set UART0 clock root to 80 MHz */
+ sc_pm_clock_rate_t rate = 80000000;
+
+ scierr = sc_pm_set_clock_rate(-1, SC_R_UART_0, 2, &rate);
+ if (scierr != SC_ERR_NONE)
+ return 0;
+
+ /* Enable UART0 clock root */
+ scierr = sc_pm_clock_enable(-1, SC_R_UART_0, 2, true, false);
+ if (scierr != SC_ERR_NONE)
+ return 0;
+
+ setup_iomux_uart();
+
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_FSL_ESDHC_IMX)
+
+#define USDHC1_CD_GPIO IMX_GPIO_NR(5, 22)
+#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 12)
+
+static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
+ {USDHC1_BASE_ADDR, 0, 8},
+ {USDHC2_BASE_ADDR, 0, 4},
+ {USDHC3_BASE_ADDR, 0, 4},
+};
+
+static iomux_cfg_t emmc0[] = {
+ SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
+ SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+};
+
+static iomux_cfg_t usdhc1_sd[] = {
+ SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
+ SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA6 | MUX_MODE_ALT(2) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_DATA7 | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+};
+
+static iomux_cfg_t usdhc2_sd[] = {
+ SC_P_USDHC2_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
+ SC_P_USDHC2_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_WP | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+ SC_P_USDHC2_CD_B | MUX_MODE_ALT(3) | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+};
+
+int board_mmc_init(struct bd_info *bis)
+{
+ int i, ret;
+ struct power_domain pd;
+
+ /*
+ * According to the board_mmc_init() the following map is done:
+ * (U-Boot device node) (Physical Port)
+ * mmc0 (onboard eMMC) USDHC1
+ * mmc1 (external SD card) USDHC2
+ * mmc2 (onboard µSD) USDHC3
+ */
+ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+ switch (i) {
+ case 0:
+ /* onboard eMMC */
+ if (!imx8_power_domain_lookup_name("conn_sdhc0", &pd))
+ power_domain_on(&pd);
+
+ imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
+ init_clk_usdhc(0);
+ usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ break;
+ case 1:
+ /* external SD card */
+ if (!imx8_power_domain_lookup_name("conn_sdhc1", &pd))
+ power_domain_on(&pd);
+
+ imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd));
+ init_clk_usdhc(1);
+ usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ gpio_request(USDHC1_CD_GPIO, "sd1_cd");
+ gpio_direction_input(USDHC1_CD_GPIO);
+ break;
+ case 2:
+ /* onboard µSD */
+ if (!imx8_power_domain_lookup_name("conn_sdhc2", &pd))
+ power_domain_on(&pd);
+
+ imx8_iomux_setup_multiple_pads(usdhc2_sd, ARRAY_SIZE(usdhc2_sd));
+ init_clk_usdhc(2);
+ usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ gpio_request(USDHC2_CD_GPIO, "sd2_cd");
+ gpio_direction_input(USDHC2_CD_GPIO);
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) than supported by the board\n", i + 1);
+ return 0;
+ }
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ if (ret) {
+ printf("Warning: failed to initialize mmc dev %d\n", i);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+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 USDHC1_BASE_ADDR:
+ ret = 1;
+ break;
+ case USDHC2_BASE_ADDR:
+ ret = !gpio_get_value(USDHC1_CD_GPIO);
+ break;
+ case USDHC3_BASE_ADDR:
+ ret = !gpio_get_value(USDHC2_CD_GPIO);
+ break;
+ }
+
+ return ret;
+}
+
+#endif /* CONFIG_FSL_ESDHC_IMX */
+
+#if (IS_ENABLED(CONFIG_FEC_MXC))
+
+#include <miiphy.h>
+
+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),
+ 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)
+{
+ imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
+}
+
+static void enet_device_phy_reset(void)
+{
+ gpio_set_value(FEC0_RESET, 0);
+ udelay(50);
+ gpio_set_value(FEC0_RESET, 1);
+
+ /* The board has a long delay for this reset to become stable */
+ mdelay(200);
+}
+
+int board_eth_init(struct bd_info *bis)
+{
+ setup_iomux_fec();
+
+ return 0;
+}
+
+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;
+}
+
+static int setup_fec(void)
+{
+ /* Reset ENET PHY */
+ enet_device_phy_reset();
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_MXC_GPIO
+
+#define LVDS_ENABLE IMX_GPIO_NR(1, 6)
+#define BKL_ENABLE IMX_GPIO_NR(1, 7)
+
+static iomux_cfg_t board_gpios[] = {
+ SC_P_LVDS0_I2C0_SCL | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+ SC_P_LVDS0_I2C0_SDA | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+ SC_P_ESAI1_FST | MUX_MODE_ALT(3) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+};
+
+static void board_gpio_init(void)
+{
+ imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios));
+
+ /* enable LVDS */
+ gpio_request(LVDS_ENABLE, "lvds_enable");
+ gpio_direction_output(LVDS_ENABLE, 1);
+
+ /* enable backlight */
+ gpio_request(BKL_ENABLE, "bkl_enable");
+ gpio_direction_output(BKL_ENABLE, 1);
+
+ /* ethernet reset */
+ gpio_request(FEC0_RESET, "enet0_reset");
+ gpio_direction_output(FEC0_RESET, 1);
+}
+#endif
+
+int checkboard(void)
+{
+ puts("Board: conga-QMX8\n");
+
+ build_info();
+ print_bootinfo();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ if (IS_ENABLED(CONFIG_XEN))
+ return 0;
+
+#ifdef CONFIG_MXC_GPIO
+ board_gpio_init();
+#endif
+
+#if (IS_ENABLED(CONFIG_FEC_MXC))
+ setup_fec();
+#endif
+
+ return 0;
+}
+
+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, struct bd_info *bd)
+{
+ return 0;
+}
+#endif
+
+int board_mmc_get_env_dev(int devno)
+{
+ /* Use EMMC */
+ if (IS_ENABLED(CONFIG_XEN))
+ return 0;
+
+ return devno;
+}
+
+int mmc_map_to_kernel_blk(int dev_no)
+{
+ /* Use EMMC */
+ if (IS_ENABLED(CONFIG_XEN))
+ return 0;
+
+ return dev_no;
+}
+
+extern u32 _end_ofs;
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ env_set("board_name", "QMX8");
+ env_set("board_rev", "iMX8QM");
+#endif
+
+ env_set("sec_boot", "no");
+#ifdef CONFIG_AHAB_BOOT
+ env_set("sec_boot", "yes");
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+ board_late_mmc_env_init();
+#endif
+
+#ifdef IMX_LOAD_HDMI_FIMRWARE
+ char *end_of_uboot;
+ char command[256];
+
+ end_of_uboot = (char *)(ulong)(CONFIG_SYS_TEXT_BASE + _end_ofs
+ + fdt_totalsize(gd->fdt_blob));
+ end_of_uboot += 9;
+
+ /* load hdmitxfw.bin and hdmirxfw.bin*/
+ memcpy(IMX_HDMI_FIRMWARE_LOAD_ADDR, end_of_uboot,
+ IMX_HDMITX_FIRMWARE_SIZE + IMX_HDMIRX_FIRMWARE_SIZE);
+
+ sprintf(command, "hdp load 0x%x", IMX_HDMI_FIRMWARE_LOAD_ADDR);
+ run_command(command, 0);
+
+ sprintf(command, "hdprx load 0x%x",
+ IMX_HDMI_FIRMWARE_LOAD_ADDR + IMX_HDMITX_FIRMWARE_SIZE);
+ run_command(command, 0);
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_FSL_FASTBOOT
+#ifdef CONFIG_ANDROID_RECOVERY
+int is_recovery_key_pressing(void)
+{
+ return 0; /*TODO*/
+}
+#endif /*CONFIG_ANDROID_RECOVERY*/
+#endif /*CONFIG_FSL_FASTBOOT*/
+
+/* Only Enable USB3 resources currently */
+int board_usb_init(int index, enum usb_init_type init)
+{
+ return 0;
+}