Rene Herman wrote: > On 21-08-08 11:31, Welch, Martyn (GE EntSol, Intelligent Platforms) > wrote: > >> Rajat Jain wrote: > >>> OK. But who does it in an embedded environment (PPC for eg) where >>> there is no POST software. The first piece of code that gets >>> executed is U-boot and then the kernel. So who writes the LINE >>> value into the config space? >> >> U-boot does. There is a fairly standardised way to connect PCI >> interrupt lines, especially for PCI slots where various cards can be >> plugged in: > > How peculiar, a boot loader doing hardware programming... On the PowerPC architecture u-boot acts as the equivalent of BIOS and a bootloader on the x86 architecture. Martyn -- Martyn Welch MEng MPhil MIET Principal Software Engineer GE Fanuc Intelligent Platforms Tove Valley Business Park, Towcester, Northants, NN12 6PF, United Kingdom Telephone: +44 (0) 1327 359444 Direct Dial: +44 (0) 1327 322748 Fax: +44 (0) 1327 322800 email: martyn.welch@xxxxxxxxxxx web: www.gefanuc.com GE Fanuc Intelligent Platforms Ltd, registered in England and Wales (3828642) at 100 Barbirolli Square, Manchester, M2 3AB, VAT GB 729 849 476 GE Fanuc Intelligent Platforms Confidential and Proprietary. If you have received this message in error please notify us immediately and permanently remove it from your system and destroy any printed hardcopies. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
