+/* pci-raw.c
+ * Raw PCI implementation
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
#include <io.h>
#include <stdint.h>
#include <pci.h>
static void __pci_config(int bus, int slot, int fn, int addr)
{
- outl(0xCF8, 0x80000000ULL | (bus << 16) | (slot << 11) | (fn << 8) | addr);
+ outl(0xCF8, 0x80000000ULL | (bus << 16) | (slot << 11) | (fn << 8) | (addr & ~3));
}
void pci_write32(int bus, int slot, int fn, int addr, uint32_t data)
uint16_t pci_read16(int bus, int slot, int fn, int addr)
{
__pci_config(bus, slot, fn, addr);
- return inw(0xCFC);
+ return inw(0xCFC + (addr & 2));
}
uint8_t pci_read8(int bus, int slot, int fn, int addr)
{
__pci_config(bus, slot, fn, addr);
- return inb(0xCFC);
+ return inb(0xCFC + (addr & 3));
}