Hello All,
I am working on IMX6 based processor which have 5 UART pins/port coming out of it. There are 4 nodes in /dev folder for serial ports i.e ttymxc1,ttymxc2,ttymxc3,ttymxc4 and i want to know which node is mapped with which hardware UART. I have console enabled on ttymxc1 through which i can see logs. I want to perform read and write on serial port by using node other than ttymxc1 i.e from ttymxc2,ttymxc3,ttymxc4.
I have found something during boots as give below
1.378111] mxc_sdc_fb mxc_sdc_fb.0: register mxc display driver lcd
[ 1.463018] Console: switching to colour frame buffer device 30x20
[ 1.513646] imx-sdma imx-sdma: loaded firmware 1.1
[ 1.530828] imx-sdma imx-sdma: initialized
[ 1.539131] Serial: IMX driver
[ 1.542435] imx-uart.1: ttymxc1 at MMIO 0x21e8000 (irq = 59) is a IMX
[ 1.548934] console [ttymxc1] enabled, bootconsole disabled
[ 1.548934] console [ttymxc1] enabled, bootconsole disabled
[ 1.560731] imx-uart.2: ttymxc2 at MMIO 0x21ec000 (irq = 60) is a IMX
[ 1.567762] imx-uart.3: ttymxc3 at MMIO 0x21f0000 (irq = 61) is a IMX
[ 1.574861] imx-uart.4: ttymxc4 at MMIO 0x21f4000 (irq = 62) is a IMX
[ 1.593302] loop: module loaded
[ 1.596531] at24 0-0050: 256 byte at24 EEPROM, writable, 16 bytes/write
[ 1.603253] at24 0-0051: 256 byte at24 EEPROM, writable, 16 bytes/write
[ 1.609969] at24 1-0050: 256 byte at24 EEPROM, writable, 16 bytes/write
[ 1.616626] at24 1-0051: 256 byte at24 EEPROM, writable, 16 bytes/write
Help me asap.
Thanks
Jai Prakash