Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / nios2-epcs.h

diff --git a/qemu/roms/u-boot/include/nios2-epcs.h b/qemu/roms/u-boot/include/nios2-epcs.h
new file mode 100644 (file)
index 0000000..8c8f238
--- /dev/null
+++ b/qemu/roms/u-boot/include/nios2-epcs.h
@@ -0,0 +1,60 @@
+/*
+ * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
+ * Scott McNutt <smcnutt@psyent.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*************************************************************************
+ * Altera Nios-II EPCS Controller Core interfaces
+ ************************************************************************/
+
+#ifndef __NIOS2_EPCS_H__
+#define __NIOS2_EPCS_H__
+
+typedef struct epcs_devinfo_t {
+       const char      *name;          /* Device name */
+       unsigned char   id;             /* Device silicon id */
+       unsigned char   size;           /* Total size log2(bytes)*/
+       unsigned char   num_sects;      /* Number of sectors */
+       unsigned char   sz_sect;        /* Sector size log2(bytes) */
+       unsigned char   sz_page;        /* Page size log2(bytes) */
+       unsigned char   prot_mask;      /* Protection mask */
+}epcs_devinfo_t;
+
+/* Resets the epcs controller -- to prevent (potential) soft-reset
+ * problems when booting from the epcs controller
+ */
+extern int epcs_reset (void);
+
+/* Returns the devinfo struct if EPCS device is found;
+ * NULL otherwise.
+ */
+extern epcs_devinfo_t *epcs_dev_find (void);
+
+/* Returns the number of bytes used by config data.
+ * Negative on error.
+ */
+extern int epcs_cfgsz (void);
+
+/* Erase sectors 'start' to 'end' - return zero on success
+ */
+extern int epcs_erase (unsigned start, unsigned end);
+
+/* Read 'cnt' bytes from device offset 'off' into buf at 'addr'
+ * Zero return on success
+ */
+extern int epcs_read (ulong addr, ulong off, ulong cnt);
+
+/* Write 'cnt' bytes to device offset 'off' from buf at 'addr'.
+ * Zero return on success
+ */
+extern int epcs_write (ulong addr, ulong off, ulong cnt);
+
+/* Verify 'cnt' bytes at device offset 'off' comparing with buf
+ * at 'addr'. On failure, write first invalid offset to *err.
+ * Zero return on success
+ */
+extern int epcs_verify (ulong addr, ulong off, ulong cnt, ulong *err);
+
+#endif /* __NIOS2_EPCS_H__ */