2002-11-18 09:14:45 +09:00
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/*
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* Support for type PCI configuration cycles.
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* based on pci_indirect.c
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*
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* Copyright (C) 2002 Daniel Engstr<EFBFBD>m, Omicron Ceti AB, daniel@omicron.se.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <pci.h>
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2002-11-22 08:11:29 +09:00
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#define cfg_read(val, addr, op) *val = op((int)(addr))
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#define cfg_write(val, addr, op) op((val), (int)(addr))
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2002-11-18 09:14:45 +09:00
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2008-05-20 23:00:29 +09:00
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#define TYPE1_PCI_OP(rw, size, type, op, mask) \
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static int \
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type1_##rw##_config_##size(struct pci_controller *hose, \
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pci_dev_t dev, int offset, type val) \
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{ \
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outl(dev | (offset & 0xfc) | 0x80000000, (int)hose->cfg_addr); \
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cfg_##rw(val, hose->cfg_data + (offset & mask), op); \
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return 0; \
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2002-11-18 09:14:45 +09:00
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}
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TYPE1_PCI_OP(read, byte, u8 *, inb, 3)
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TYPE1_PCI_OP(read, word, u16 *, inw, 2)
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TYPE1_PCI_OP(read, dword, u32 *, inl, 0)
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TYPE1_PCI_OP(write, byte, u8, outb, 3)
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TYPE1_PCI_OP(write, word, u16, outw, 2)
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TYPE1_PCI_OP(write, dword, u32, outl, 0)
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void pci_setup_type1(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data)
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{
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pci_set_ops(hose,
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type1_read_config_byte,
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type1_read_config_word,
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type1_read_config_dword,
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type1_write_config_byte,
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type1_write_config_word,
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type1_write_config_dword);
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hose->cfg_addr = (unsigned int *) cfg_addr;
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hose->cfg_data = (unsigned char *) cfg_data;
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}
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