GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)
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if TARGET_IMX8QM_MEK
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config SYS_BOARD
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default "imx8qm_mek"
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config SYS_VENDOR
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default "freescale"
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config SYS_CONFIG_NAME
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default "imx8qm_mek"
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source "board/freescale/common/Kconfig"
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endif
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i.MX8QM MEK BOARD
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M: Peng Fan <peng.fan@nxp.com>
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S: Maintained
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F: board/freescale/imx8qm_mek/
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F: include/configs/imx8qm_mek.h
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F: configs/imx8qm_mek_defconfig
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#
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# Copyright 2018 NXP
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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obj-y += imx8qm_mek.o
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obj-$(CONFIG_SPL_BUILD) += spl.o
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U-Boot for the NXP i.MX8QM EVK board
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Quick Start
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===========
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- Build the ARM Trusted firmware binary
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- Get scfw_tcm.bin and ahab-container.img
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- Build U-Boot
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- Flash the binary into the SD card
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- Boot
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Get and Build the ARM Trusted firmware
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======================================
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$ git clone https://source.codeaurora.org/external/imx/imx-atf
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$ cd imx-atf/
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$ git checkout origin/imx_4.14.78_1.0.0_ga -b imx_4.14.78_1.0.0_ga
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$ make PLAT=imx8qm bl31
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Get scfw_tcm.bin and ahab-container.img
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==============================
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx-sc-firmware-1.1.bin
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$ chmod +x imx-sc-firmware-1.1.bin
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$ ./imx-sc-firmware-1.1.bin
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$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
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$ chmod +x firmware-imx-8.0.bin
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$ ./firmware-imx-8.0.bin
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Copy the following binaries to U-Boot folder:
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$ cp imx-atf/build/imx8qm/release/bl31.bin .
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$ cp u-boot/u-boot.bin .
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Copy the following firmwares U-Boot folder :
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$ cp firmware-imx-7.6/firmware/seco/ahab-container.img .
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$ cp imx-sc-firmware-0.7/mx8qm-mek-scfw-tcm.bin .
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Build U-Boot
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============
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$ make imx8qm_mek_defconfig
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$ make flash.bin
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Flash the binary into the SD card
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=================================
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Burn the flash.bin binary to SD card offset 32KB:
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$ sudo dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32
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Boot
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====
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Set Boot switch SW2: 1100.
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2018 NXP
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*/
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#include <common.h>
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#include <env.h>
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#include <errno.h>
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#include <init.h>
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#include <linux/libfdt.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/sci/sci.h>
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#include <asm/arch/imx8-pins.h>
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#include <asm/arch/iomux.h>
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#include <asm/arch/sys_proto.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | \
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(SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) | \
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(SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | \
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(SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
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static iomux_cfg_t uart0_pads[] = {
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SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
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}
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int board_early_init_f(void)
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{
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sc_pm_clock_rate_t rate = SC_80MHZ;
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int ret;
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/* Set UART0 clock root to 80 MHz */
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ret = sc_pm_setup_uart(SC_R_UART_0, rate);
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if (ret)
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return ret;
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setup_iomux_uart();
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sc_pm_set_resource_power_mode(-1, SC_R_GPIO_5, SC_PM_PW_MODE_ON);
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return 0;
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}
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#if IS_ENABLED(CONFIG_DM_GPIO)
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static void board_gpio_init(void)
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{
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/* TODO */
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}
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#else
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static inline void board_gpio_init(void) {}
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#endif
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#if IS_ENABLED(CONFIG_FEC_MXC)
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#include <miiphy.h>
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int board_phy_config(struct phy_device *phydev)
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{
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#endif
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int checkboard(void)
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{
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puts("Board: iMX8QM MEK\n");
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build_info();
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print_bootinfo();
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return 0;
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}
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int board_init(void)
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{
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/* Power up base board */
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sc_pm_set_resource_power_mode(-1, SC_R_BOARD_R1, SC_PM_PW_MODE_ON);
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board_gpio_init();
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return 0;
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}
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void detail_board_ddr_info(void)
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{
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puts("\nDDR ");
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}
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/*
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* Board specific reset that is system reset.
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*/
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void reset_cpu(ulong addr)
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{
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/* TODO */
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}
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#ifdef CONFIG_OF_BOARD_SETUP
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int ft_board_setup(void *blob, bd_t *bd)
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{
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return 0;
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}
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#endif
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int board_mmc_get_env_dev(int devno)
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{
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return devno;
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}
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int board_late_init(void)
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{
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#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
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env_set("board_name", "MEK");
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env_set("board_rev", "iMX8QM");
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#endif
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return 0;
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}
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2018 NXP
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*/
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#define __ASSEMBLY__
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/* Boot from SD, sector size 0x400 */
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BOOT_FROM SD 0x400
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/* SoC type IMX8QM */
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SOC_TYPE IMX8QM
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/* Append seco container image */
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APPEND mx8qm-ahab-container.img
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/* Create the 2nd container */
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CONTAINER
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/* Add scfw image with exec attribute */
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IMAGE SCU mx8qm-mek-scfw-tcm.bin
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/* Add ATF image with exec attribute */
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IMAGE A35 spl/u-boot-spl.bin 0x00100000
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/*
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* Copyright 2018 NXP
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <spl.h>
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#include <dm/uclass.h>
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#include <dm/device.h>
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#include <dm/uclass-internal.h>
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#include <dm/device-internal.h>
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#include <dm/lists.h>
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DECLARE_GLOBAL_DATA_PTR;
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void spl_board_init(void)
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{
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struct udevice *dev;
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uclass_find_first_device(UCLASS_MISC, &dev);
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for (; dev; uclass_find_next_device(&dev)) {
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if (device_probe(dev))
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continue;
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}
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arch_cpu_init();
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board_early_init_f();
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timer_init();
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preloader_console_init();
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puts("Normal Boot\n");
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}
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#ifdef CONFIG_SPL_LOAD_FIT
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int board_fit_config_name_match(const char *name)
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{
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/* Just empty function now - can't decide what to choose */
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debug("%s: %s\n", __func__, name);
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return 0;
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}
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#endif
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void board_init_f(ulong dummy)
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{
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/* Clear global data */
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memset((void *)gd, 0, sizeof(gd_t));
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/* Clear the BSS. */
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memset(__bss_start, 0, __bss_end - __bss_start);
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board_init_r(NULL, 0);
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}
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@@ -0,0 +1,13 @@
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright 2019 NXP
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*/
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#define __ASSEMBLY__
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/* This file is to create a container image could be loaded by SPL */
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BOOT_FROM SD 0x400
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SOC_TYPE IMX8QM
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CONTAINER
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IMAGE A35 bl31.bin 0x80000000
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IMAGE A35 u-boot.bin CONFIG_SYS_TEXT_BASE
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