added testbios for V2

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1624 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/vgabios/pci-userspace.h

@@ -0,0 +1,55 @@
+#include "pci.h"
+
+typedef unsigned long pciaddr_t;
+typedef u8 byte;
+typedef u16 word;
+
+struct pci_dev {
+	struct pci_dev *next;	/* Next device in the chain */
+	word bus;		/* Higher byte can select host bridges */
+	byte dev, func;		/* Device and function */
+
+	/* These fields are set by pci_fill_info() */
+	int known_fields;	/* Set of info fields already known */
+	word vendor_id, device_id;	/* Identity of the device */
+	int irq;		/* IRQ number */
+	pciaddr_t base_addr[6];	/* Base addresses */
+	pciaddr_t size[6];	/* Region sizes */
+	pciaddr_t rom_base_addr;	/* Expansion ROM base address */
+	pciaddr_t rom_size;	/* Expansion ROM size */
+
+	/* Fields used internally: */
+	void *access;
+	void *methods;
+	byte *cache;		/* Cached information */
+	int cache_len;
+	int hdrtype;		/* Direct methods: header type */
+	void *aux;		/* Auxillary data */
+};
+
+
+struct pci_filter {
+	int bus, slot, func;	/* -1 = ANY */
+	int vendor, device;
+};
+
+
+#define PCITAG struct pci_filter *
+#define pciVideoPtr struct pci_dev *
+
+extern int pciNumBuses;
+
+int pciInit(void);
+int pciExit(void);
+
+
+PCITAG findPci(unsigned short bx);
+u32 pciSlotBX(pciVideoPtr pvp);
+
+void pciWriteLong(PCITAG tag, u32 idx, u32 data);
+void pciWriteWord(PCITAG tag, u32 idx, u16 data);
+void pciWriteByte(PCITAG tag, u32 idx, u8 data);
+
+u32 pciReadLong(PCITAG tag, u32 idx);
+u16 pciReadWord(PCITAG tag, u32 idx);
+u8 pciReadByte(PCITAG tag, u32 idx);