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>

1 files changed, 1 insertions, 44 deletions

diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index ebe22a2267d2..8f818d092e2b 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 @@ static void __init fixup_nec_usb2(void)
 	}
 }
 
-#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)
 {