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-rw-r--r--include/pcibios.h62
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diff --git a/include/pcibios.h b/include/pcibios.h
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+++ b/include/pcibios.h
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+/**
+ * @file
+ * @ingroup i386_pcibios
+ * @brief
+ */
+
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup i386_pcibios
+ * @ingroup i386_pci
+ * @brief
+ * @{
+ */
+
+#ifndef _PCIB_H
+#define _PCIB_H
+
+#include <rtems/pci.h>
+
+/** @brief
+ * Make device signature from bus number, device numebr and function
+ * number
+ */
+#define PCIB_DEVSIG_MAKE(b,d,f) ((b<<8)|(d<<3)|(f))
+
+/** @brief
+ * 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)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+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, uint8_t *data);
+int pcib_conf_read16(int sig, int off, uint16_t *data);
+int pcib_conf_read32(int sig, int off, uint32_t *data);
+int pcib_conf_write8(int sig, int off, uint8_t data);
+int pcib_conf_write16(int sig, int off, uint16_t data);
+int pcib_conf_write32(int sig, int off, uint32_t data);
+
+int
+pci_find_device( unsigned short vendorid, unsigned short deviceid,
+ int instance, int *pbus, int *pdev, int *pfun );
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PCIB_H */