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This adds to the 32 bits PCI code some flags, replacing the old pci_assign_all_busses global, that allow us to control various aspects of the PCI probing, such as whether to re-assign all resources or not, or to not try to assign anything at all. This also adds the flag x86 already has to avoid ISA alignment on bridges that don't have ISA forwarding enabled (no legacy devices on the top level bus) and sets it for PowerMacs. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> 
Benjamin Herrenschmidt
authored and
 Paul Mackerras
commited |
fc3fb71c3e | |
Make it so we do a runtime check to know if we need to write cfg_addr as big or little endian. This is needed if we want to allow 86xx support to co-exist in the same kernel as other 6xx PPCs. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> 
Kumar Gala
commited |
2e56ff206b | |
G3 Blue & White is misconfigured by default so that CardBus controllers in PCI slots don't work. The PCI bridge is programmed to only allow access to bus 1 but not higher busses. The patch forces the PCI busses to be reassigned if a Grackle controller is found and the machine identifies itself as "PowerMac1,1" Signed-off-by: Pavel Roskin <proski@gnu.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org> 
Pavel Roskin
authored and
Paul Mackerras
commited |
a1fdf6940a | |
This is so that the 32-bit CHRP code can use it. The MPC106 initialization code is now in arch/powerpc/sysdev/grackle.c and is controlled by CONFIG_PPC_MPC106. Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras
commited |
830825d6c3 |