Hi, all, But the function init_cpus is called before the three functions: w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); The trace is sent out from the init_cpus.
Best Regards 丰立波 Feng Libo @ AMD Ext: 20906 Mobile Phone: 13683249071 Office Phone: 0086-010-62801406 -----Original Message----- From: Marc Jones [mailto:[EMAIL PROTECTED] Sent: Friday, November 30, 2007 12:47 AM To: Feng, Libo Cc: linuxbios Subject: Re: [LinuxBIOS] Interesting. Feng, Libo wrote: > > Hi, all, > > In our board, we found the trace is sent out: "Issuing SOFT_RESET…" > from the function init_cpus in the file init_cpus.c. But when the > function runs, the serial port is still far to be initialized, how > dose the trace is sent out? > > Best Regards > > 丰立波 Feng Libo @ AMD Ext: 20906 > Mobile Phone: 13683249071 > Office Phone: 0086-010-62801406 > Each mainboard usually has an early uart setup located in auto.c or cache_as_ram_auto.c. For example the Serengeti-Cheetah has the following lines. w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); uart_init(); console_init(); Marc -- Marc Jones Senior Firmware Engineer (970) 226-9684 Office mailto:[EMAIL PROTECTED] http://www.amd.com/embeddedprocessors -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
