It works after I changed bd->bi_busfreq = 66 in embed_config.c . It even clear my UART baud rate confusion.
Thanks. Bo -----Original Message----- From: Allen Curtis [mailto:[EMAIL PROTECTED] Sent: Thursday, October 10, 2002 9:07 AM To: Yu Bo-BOYU1; linuxppc-embedded at lists.linuxppc.org Subject: RE: 8260 core/bus/cpm clock If you are using EST8260 as your board type, then you are using the embedded boot loader. Look in embed_config.c > It is vxWorks bootrom. I could not (don't know) pass boot line > into linux. This is the default boot line. > > # cat /proc/cmdline > root=/dev/nfs rw ip=auto > > Bo > > > -----Original Message----- > From: Allen Curtis [mailto:acurtis at onz.com] > Sent: Thursday, October 10, 2002 9:02 AM > To: Yu Bo-BOYU1; linuxppc-embedded at lists.linuxppc.org > Subject: RE: 8260 core/bus/cpm clock > > > > After dumping cpu information, > > > > # cat /proc/cpuinfo > > cpu : 82xx > > core clock : 132 MHz > > CPM clock : 66 MHz > > bus clock : 33 MHz > > revision : 1.1 (pvr 0081 0101) > > bogomips : 54.88 > > > > I found this is NOT correct for the custom board. It should be > > 66/133/166MHZ. However > > I did not find any configurable entry in "make xconfig". > > What is your bootloader? Some loaders pass this information to > the kernel at > boot. > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
