powerpc: Pull out MPC106 (grackle) initialization code into its own file
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>
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index ebe22a2..8f818d0 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -23,6 +23,7 @@
#include <asm/pci-bridge.h>
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
+#include <asm/grackle.h>
#ifdef CONFIG_PPC64
#include <asm/iommu.h>
#include <asm/ppc-pci.h>
@@ -584,50 +585,6 @@
}
}
-#define GRACKLE_CFA(b, d, o) (0x80 | ((b) << 8) | ((d) << 16) \
- | (((o) & ~3) << 24))
-
-#define GRACKLE_PICR1_STG 0x00000040
-#define GRACKLE_PICR1_LOOPSNOOP 0x00000010
-
-/* N.B. this is called before bridges is initialized, so we can't
- use grackle_pcibios_{read,write}_config_dword. */
-static inline void grackle_set_stg(struct pci_controller* bp, int enable)
-{
- unsigned int val;
-
- out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8));
- val = in_le32(bp->cfg_data);
- val = enable? (val | GRACKLE_PICR1_STG) :
- (val & ~GRACKLE_PICR1_STG);
- out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8));
- out_le32(bp->cfg_data, val);
- (void)in_le32(bp->cfg_data);
-}
-
-static inline void grackle_set_loop_snoop(struct pci_controller *bp, int enable)
-{
- unsigned int val;
-
- out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8));
- val = in_le32(bp->cfg_data);
- val = enable? (val | GRACKLE_PICR1_LOOPSNOOP) :
- (val & ~GRACKLE_PICR1_LOOPSNOOP);
- out_be32(bp->cfg_addr, GRACKLE_CFA(0, 0, 0xa8));
- out_le32(bp->cfg_data, val);
- (void)in_le32(bp->cfg_data);
-}
-
-void __init setup_grackle(struct pci_controller *hose)
-{
- setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
- if (machine_is_compatible("AAPL,PowerBook1998"))
- grackle_set_loop_snoop(hose, 1);
-#if 0 /* Disabled for now, HW problems ??? */
- grackle_set_stg(hose, 1);
-#endif
-}
-
static void __init setup_bandit(struct pci_controller *hose,
struct reg_property *addr)
{