Hi, Paul, Rudolf, Thank you for the information. I will investigate this part. :D
Andrew 2013/10/28 Rudolf Marek <[email protected]>: > Hi, > > If Andrew wants to use the fixed address it is better to marked the fixed IO > address in the I/O allocator as used. Like in VIA vt8237 for ACPI IO base: > > static void vt8237r_read_resources(device_t dev) > { > struct resource *res; > > pci_dev_read_resources(dev); > > /* Fixed ACPI Base IO Base*/ > res = new_resource(dev, 0x88); > res->base = VT8237R_ACPI_IO_BASE; > res->size = 128; > res->limit = 0xffffUL; > res->flags = IORESOURCE_IO | IORESOURCE_FIXED | IORESOURCE_RESERVE | > IORESOURCE_STORED | IORESOURCE_ASSIGNED; > } > > But I see this dmp southbrige bypassed the I/O allocator by reserving it > whole for southbridge. > > If no PCI or I/O devices will ever connect this is probably OK, although I > would prefer to use above construct to add "fixed" I/O resources. > > I did not have time to study the code/chipset in the detail, if someone can > check that it would be great. > > Thanks > Rudolf > > > > > > > -- > coreboot mailing list: [email protected] > http://www.coreboot.org/mailman/listinfo/coreboot -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
