On Thu, 2005-01-13 at 20:26, YhLu wrote: > No, Top to down will more worse. > > 1. I thank Northbridge PCI_DEV(0, 0x18, 0)... should be initial before > CPU.... > 2. In tree apic cluster is after pci_domain..... >
The northbridge .init is 0. The .init of apic initialize the CPU. So I don't think a top down dev_initialize() would make it worse. The only problem is how do we do a non-recursive broad first tree traversal? Ollie > YH > > -----Original Message----- > From: Li-Ta Lo [mailto:[EMAIL PROTECTED] > Sent: Thursday, January 13, 2005 7:11 PM > To: YhLu > Cc: Sagiv Yefet; LinuxBIOS > Subject: RE: Running with VGA > > On Thu, 2005-01-13 at 20:00, YhLu wrote: > > I would change dev_initalize to following > > void dev_initialize(void) > > { > > struct device *dev; > > > > printk_info("Initializing devices...\n"); > > #if CONFIG_CONSOLE_VGA == 1 > > for (dev = all_devices; dev; dev = dev->next) { > > if (dev->enabled && !dev->initialized && > > dev->ops && dev->ops->init) > > { > > if( dev->on_mainboard && (dev->rom_address!=0)) > > continue; > > printk_debug("%s init\n", dev_path(dev)); > > dev->initialized = 1; > > dev->ops->init(dev); > > } > > } > > #endif > > for (dev = all_devices; dev; dev = dev->next) { > > if (dev->enabled && !dev->initialized && > > dev->ops && dev->ops->init) > > { > > printk_debug("%s init\n", dev_path(dev)); > > dev->initialized = 1; > > dev->ops->init(dev); > > } > > } > > printk_info("Devices initialized\n"); > > } > > > > If we really have to do that, I think we should change the init order > to "top to down" instead of "first to last" in the device tree. > > Ollie > > > -----Original Message----- > > From: YhLu > > Sent: Thursday, January 13, 2005 6:51 PM > > To: Li-Ta Lo > > Cc: Sagiv Yefet; LinuxBIOS > > Subject: RE: Running with VGA > > > > It seems after if after cpu init do the onboard vga init, it will work. > > > > The CPU init only do the init ECC and clear that after 1M. ... Werid! And > it > > is not wiped out after power off. > > > > > > YH > > > > -----Original Message----- > > From: Li-Ta Lo [mailto:[EMAIL PROTECTED] > > Sent: Thursday, January 13, 2005 3:15 PM > > To: YhLu > > Cc: Sagiv Yefet; LinuxBIOS > > Subject: RE: Running with VGA > > > > On Thu, 2005-01-13 at 16:23, YhLu wrote: > > > S2892 has onboard atirage xl > > > S2895 has no onboard. > > > > > > > With exactly the same chip and BIOS? Then probably the order > > of calling device::init() does matter. > > > > Ollie > > > > > -----Original Message----- > > > From: Li-Ta Lo [mailto:[EMAIL PROTECTED] > > > Sent: Thursday, January 13, 2005 3:10 PM > > > To: YhLu > > > Cc: Sagiv Yefet; LinuxBIOS > > > Subject: RE: Running with VGA > > > > > > On Thu, 2005-01-13 at 15:45, YhLu wrote: > > > > No, no problem. > > > > > > > > Same addon card (ati rage xl) (pci) on S2895 works well. > > > > > > > > > > I am confused. Are you using S2895 or S2892? And is the rage xl > > > on board or as an addon card? > > > > > > Ollie > > > > > _______________________________________________ > > Linuxbios mailing list > > Linuxbios@clustermatic.org > > http://www.clustermatic.org/mailman/listinfo/linuxbios _______________________________________________ Linuxbios mailing list Linuxbios@clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios