diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/sysdev/grackle.c')
-rw-r--r-- | ANDROID_3.4.5/arch/powerpc/sysdev/grackle.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/sysdev/grackle.c b/ANDROID_3.4.5/arch/powerpc/sysdev/grackle.c deleted file mode 100644 index 08abe91a..00000000 --- a/ANDROID_3.4.5/arch/powerpc/sysdev/grackle.c +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Functions for setting up and using a MPC106 northbridge - * Extracted from arch/powerpc/platforms/powermac/pci.c. - * - * Copyright (C) 2003 Benjamin Herrenschmuidt (benh@kernel.crashing.org) - * Copyright (C) 1997 Paul Mackerras (paulus@samba.org) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/init.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; - - 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, 0); - if (of_machine_is_compatible("PowerMac1,1")) - 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 -} |