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cb4的新版子,系统是官方的Lubuntu-desktop-1.0的镜像,卡固件。
串口0 启动就喷乱码,启动Lubuntu 后发现串口初始化失败:dmesg log记录如下:
[ 0.419706] mainkey name : s_uart0, pin count : 2
[ 1.392222] sunxi_uart_init()1446 - Sunxi Uart driver init ...
[ 1.392421] sw_uart_get_devinfo()1430 - uart0 fetch uart_regulator from sysconfig failed
[ 1.392662] sw_uart_get_devinfo()1430 - uart2 fetch uart_regulator from sysconfig failed
[ 1.392902] sw_uart_get_devinfo()1430 - uart4 fetch uart_regulator from sysconfig failed
[ 1.393138] sw_uart_get_devinfo()1430 - uart5 fetch uart_regulator from sysconfig failed
[ 1.394760] uart0: ttyS0 at MMIO 0x7000000 (irq = 32) is a SUNXI
[ 6.206769] uart2: ttyS2 at MMIO 0x7000800 (irq = 34) is a SUNXI
[ 6.220028] uart4: ttyS4 at MMIO 0x7001000 (irq = 36) is a SUNXI
[ 6.233036] uart5: ttyS5 at MMIO 0x7001400 (irq = 37) is a SUNXI
串口线是pl2303的usb转ttl,win7下短接自发自收正常。
从来没有正常过一次串口,nand android启动 uart0也是乱码。想看下uboot信息都看不了。
哪位高手指教下,是不是板子串口是坏的?9月份才买的。。。如果是坏的,就醉了。
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