Das U-Boot: Universal Boot Loader

diff --git a/include/fpga.h b/include/fpga.h
new file mode 100644 (file)
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--- /dev/null
+++ b/include/fpga.h
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+/*
+ * (C) Copyright 2002
+ * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <linux/types.h>               /* for ulong typedef */
+
+#ifndef _FPGA_H_
+#define _FPGA_H_
+
+#ifndef CONFIG_MAX_FPGA_DEVICES
+#define CONFIG_MAX_FPGA_DEVICES                5
+#endif
+
+/* these probably belong somewhere else */
+#ifndef FALSE
+#define FALSE  (0)
+#endif
+#ifndef TRUE
+#define TRUE   (!FALSE)
+#endif
+
+/* CONFIG_FPGA bit assignments */
+#define CFG_FPGA_MAN(x)        (x)
+#define CFG_FPGA_DEV(x)        ((x) << 8 )
+#define CFG_FPGA_IF(x) ((x) << 16 )
+
+/* FPGA Manufacturer bits in CONFIG_FPGA */
+#define CFG_FPGA_XILINX                CFG_FPGA_MAN( 0x1 )
+#define CFG_FPGA_ALTERA                        CFG_FPGA_MAN( 0x2 )
+
+
+/* fpga_xxxx function return value definitions */
+#define FPGA_SUCCESS         0
+#define FPGA_FAIL           -1
+
+/* device numbers must be non-negative */
+#define FPGA_INVALID_DEVICE -1
+
+/* root data type defintions */
+typedef enum {                 /* typedef fpga_type */
+       fpga_min_type,             /* range check value */
+    fpga_xilinx,               /* Xilinx Family) */
+    fpga_altera,               /* unimplemented */
+    fpga_undefined             /* invalid range check value */
+} fpga_type;                   /* end, typedef fpga_type */
+
+typedef struct {               /* typedef fpga_desc */
+    fpga_type   devtype;       /* switch value to select sub-functions */
+    void *      devdesc;       /* real device descriptor */
+} fpga_desc;                   /* end, typedef fpga_desc */
+
+
+/* root function definitions */
+extern void fpga_init( ulong reloc_off );
+extern int fpga_add( fpga_type devtype, void *desc );
+extern const int fpga_count( void );
+extern int fpga_load( int devnum, void *buf, size_t bsize );
+extern int fpga_dump( int devnum, void *buf, size_t bsize );
+extern int fpga_info( int devnum );
+
+#endif /* _FPGA_H_ */