diff options
Diffstat (limited to 'drivers/pci_indirect.c')
| -rw-r--r-- | drivers/pci_indirect.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/pci_indirect.c b/drivers/pci_indirect.c deleted file mode 100644 index a8220fb..0000000 --- a/drivers/pci_indirect.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Support for indirect PCI bridges. - * - * Copyright (C) 1998 Gabriel Paubert. - * - * 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 <common.h> - -#ifdef CONFIG_PCI -#if (!defined(__I386__) && !defined(CONFIG_IXDP425)) - -#include <asm/processor.h> -#include <asm/io.h> -#include <pci.h> - -#define cfg_read(val, addr, type, op) *val = op((type)(addr)) -#define cfg_write(val, addr, type, op) op((type *)(addr), (val)) - -#ifdef CONFIG_IXP425 -extern unsigned char in_8 (volatile unsigned *addr); -extern unsigned short in_le16 (volatile unsigned *addr); -extern unsigned in_le32 (volatile unsigned *addr); -extern void out_8 (volatile unsigned *addr, char val); -extern void out_le16 (volatile unsigned *addr, unsigned short val); -extern void out_le32 (volatile unsigned *addr, unsigned int val); -#endif /* CONFIG_IXP425 */ - -#if defined(CONFIG_MPC8260) -#define INDIRECT_PCI_OP(rw, size, type, op, mask) \ -static int \ -indirect_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - u32 b, d,f; \ - b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ - b = b - hose->first_busno; \ - dev = PCI_BDF(b, d, f); \ - out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ - sync(); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - return 0; \ -} -#elif defined(CONFIG_E500) || defined(CONFIG_MPC86xx) -#define INDIRECT_PCI_OP(rw, size, type, op, mask) \ -static int \ -indirect_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - u32 b, d,f; \ - b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ - b = b - hose->first_busno; \ - dev = PCI_BDF(b, d, f); \ - *(hose->cfg_addr) = dev | (offset & 0xfc) | ((offset & 0xf00) << 16) | 0x80000000; \ - sync(); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - return 0; \ -} -#elif defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SPE) -#define INDIRECT_PCI_OP(rw, size, type, op, mask) \ -static int \ -indirect_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - u32 b, d,f; \ - b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ - b = b - hose->first_busno; \ - dev = PCI_BDF(b, d, f); \ - if (PCI_BUS(dev) > 0) \ - out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000001); \ - else \ - out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - return 0; \ -} -#else -#define INDIRECT_PCI_OP(rw, size, type, op, mask) \ -static int \ -indirect_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - u32 b, d,f; \ - b = PCI_BUS(dev); d = PCI_DEV(dev); f = PCI_FUNC(dev); \ - b = b - hose->first_busno; \ - dev = PCI_BDF(b, d, f); \ - out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - return 0; \ -} -#endif - -#define INDIRECT_PCI_OP_ERRATA6(rw, size, type, op, mask) \ -static int \ -indirect_##rw##_config_##size(struct pci_controller *hose, \ - pci_dev_t dev, int offset, type val) \ -{ \ - unsigned int msr = mfmsr(); \ - mtmsr(msr & ~(MSR_EE | MSR_CE)); \ - out_le32(hose->cfg_addr, dev | (offset & 0xfc) | 0x80000000); \ - cfg_##rw(val, hose->cfg_data + (offset & mask), type, op); \ - out_le32(hose->cfg_addr, 0x00000000); \ - mtmsr(msr); \ - return 0; \ -} - -INDIRECT_PCI_OP(read, byte, u8 *, in_8, 3) -INDIRECT_PCI_OP(read, word, u16 *, in_le16, 2) -INDIRECT_PCI_OP(read, dword, u32 *, in_le32, 0) -#ifdef CONFIG_405GP -INDIRECT_PCI_OP_ERRATA6(write, byte, u8, out_8, 3) -INDIRECT_PCI_OP_ERRATA6(write, word, u16, out_le16, 2) -INDIRECT_PCI_OP_ERRATA6(write, dword, u32, out_le32, 0) -#else -INDIRECT_PCI_OP(write, byte, u8, out_8, 3) -INDIRECT_PCI_OP(write, word, u16, out_le16, 2) -INDIRECT_PCI_OP(write, dword, u32, out_le32, 0) -#endif - -void pci_setup_indirect(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data) -{ - pci_set_ops(hose, - indirect_read_config_byte, - indirect_read_config_word, - indirect_read_config_dword, - indirect_write_config_byte, - indirect_write_config_word, - indirect_write_config_dword); - - hose->cfg_addr = (unsigned int *) cfg_addr; - hose->cfg_data = (unsigned char *) cfg_data; -} - -#endif /* !__I386__ && !CONFIG_IXDP425 */ -#endif /* CONFIG_PCI */ |