On Fri, May 27, 2011 at 12:26:20PM +0500, Muhammad Waseem wrote: >I have developed a simple polling based serial device driver for PC's serial >port (COM1: 0x3F8) which works fine. Now I want to implement the same on >UART # 1 of PPC440EPx (Sequoia board). > >By changing the base address 0x3F8 to UART# 1 base address (0xEF600400) in >Sequoia it does not work and return all the registers contents >from 0xEF600400 to 0xEF600407 as 0xFF. > >Whereas existing ttyS1 driver works for UART# 1. > >How can I access the UART# 1 registers in a custom serial driver under >kernel space.
If you post your driver code, we can review it. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
