1 files changed, 46 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/shared/pci/pcibios.h b/c/src/lib/libbsp/i386/shared/pci/pcibios.h
new file mode 100644
index 0000000000..40bc3c861a
--- /dev/null
+++ b/c/src/lib/libbsp/i386/shared/pci/pcibios.h
@@ -0,0 +1,46 @@
+/*
+ * This software is Copyright (C) 1998 by T.sqware - all rights limited
+ * It is provided in to the public domain "as is", can be freely modified
+ * as far as this copyight notice is kept unchanged, but does not imply
+ * an endorsement by T.sqware of the product in which it is included.
+ */
+
+#ifndef _PCIB_H
+#define _PCIB_H
+
+/* Error codes */
+#define PCIB_ERR_SUCCESS       (0)
+#define PCIB_ERR_UNINITIALIZED (-1)  /* PCI BIOS is not initilized */
+#define PCIB_ERR_NOTPRESENT    (-2)  /* PCI BIOS not present */
+#define PCIB_ERR_NOFUNC        (-3)  /* Function not supported */
+#define PCIB_ERR_BADVENDOR     (-4)  /* Bad Vendor ID */
+#define PCIB_ERR_DEVNOTFOUND   (-5)  /* Device not found */
+#define PCIB_ERR_BADREG        (-6)  /* Bad register number */   
+
+/* 
+ * Make device signature from bus number, device numebr and function 
+ * number
+ */
+#define PCIB_DEVSIG_MAKE(b,d,f) ((b<<8)|(d<<3)|(f))
+
+/*
+ * Extract valrous part from device signature
+ */
+#define PCIB_DEVSIG_BUS(x) (((x)>>8) &0xff)
+#define PCIB_DEVSIG_DEV(x) (((x)>>3) & 0x1f)
+#define PCIB_DEVSIG_FUNC(x) ((x) & 0x7)
+
+int pcib_init(void);
+int pcib_find_by_devid(int vendorId, int devId, int idx, int *sig);
+int pcib_find_by_class(int classCode, int idx, int *sig);
+int pcib_special_cycle(int busNo, int data);
+int pcib_conf_read8(int sig, int off, unsigned char *data);
+int pcib_conf_read16(int sig, int off, unsigned short *data);
+int pcib_conf_read32(int sig, int off, unsigned int *data);
+int pcib_conf_write8(int sig, int off, unsigned int data);
+int pcib_conf_write16(int sig, int off, unsigned int data);
+int pcib_conf_write32(int sig, int off, unsigned int data);
+
+
+#endif /* _PCIB_H */
+