Tim.Wang的博客

1.https://community.nxp.com/docs/DOC-3437770110xxxxxx 00100000102.FB: ucmd echo “start flash spi by tim”FB: ucmd sf probe ${spi_bus}FB[-t 60000]: ucmd sf erase 0 +0x100000FB: ucmd setenv fastboot_buffer ${loadaddr}FB: ucmd setenv spi_uboot 0x0FB

echo mem > /sys/power/state会A53+M4都会休眠。按on/off可以唤醒。如果需要M4通过rpmsg唤醒A53， 需要打patch. 参考https://community.nxp.com/docs/DOC-345901参考 unittest下程序。fdt_file=fsl-imx8mm-evk-m4.dtbm4image=imx8mm_m4_TCM_rpmsg_lite_str_echo_rtos.binrun_m4_tcm=fatload mmc 0:...

IMX8MM 设备树GPIO和中断SAI2_RXFS UART1_TXD 0x1B0 0x418 0x000 0x4 0x0（1）0x1B0 mux_reg：mux控制寄存器偏移地址 IOMUXC_SW_MUX_CTL_PAD_SAI2_RXFS 100 ALT4 — Select signal UART1_TX（2）0x418 conf_reg：pad控制寄存器偏移地...