日志信息如下:
root@am335x-evm:~# dmesg | grep tty[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048 rootfstype=ubifs rootwait=1[ 0.459543] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 88, base_baud = 3000000) is a OMAP UART0[ 1.134043] console [ttyO0] enabled[ 1.144560] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 89, base_baud = 3000000) is a OMAP UART1[ 1.160910] 481a8000.serial: ttyO4 at MMIO 0x481a8000 (irq = 61, base_baud = 3000000) is a OMAP UART4[ 1.207870] (hci_tty): inside hci_tty_init[ 1.212637] (hci_tty): allocated 249, 0
日志信息如下:
root@am335x-evm:~# dmesg | grep tty[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=ubi0:rootfs rw ubi.mtd=NAND.file-system,2048 rootfstype=ubifs rootwait=1[ 0.459543] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 88, base_baud = 3000000) is a OMAP UART0[ 1.134043] console [ttyO0] enabled[ 1.144560] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 89, base_baud = 3000000) is a OMAP UART1[ 1.160910] 481a8000.serial: ttyO4 at MMIO 0x481a8000 (irq = 61, base_baud = 3000000) is a OMAP UART4[ 1.207870] (hci_tty): inside hci_tty_init[ 1.212637] (hci_tty): allocated 249, 0
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