diff options
Diffstat (limited to 'arch/powerpc/sysdev/grackle.c')
| -rw-r--r-- | arch/powerpc/sysdev/grackle.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/powerpc/sysdev/grackle.c b/arch/powerpc/sysdev/grackle.c index aaba0b809032..7dce8278b71e 100644 --- a/arch/powerpc/sysdev/grackle.c +++ b/arch/powerpc/sysdev/grackle.c @@ -9,33 +9,17 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> +#include <linux/of.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/pci-bridge.h> #include <asm/grackle.h> #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; @@ -56,7 +40,4 @@ void __init setup_grackle(struct pci_controller *hose) pci_add_flags(PCI_REASSIGN_ALL_BUS); if (of_machine_is_compatible("AAPL,PowerBook1998")) grackle_set_loop_snoop(hose, 1); -#if 0 /* Disabled for now, HW problems ??? */ - grackle_set_stg(hose, 1); -#endif } |