1 files changed, 0 insertions, 96 deletions
diff --git a/src/drivers/storage/bouncebuf.h b/src/drivers/storage/bouncebuf.h
deleted file mode 100644
index deea4f8636..0000000000
--- a/src/drivers/storage/bouncebuf.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Generic bounce buffer implementation
- *
- * Copyright (C) 2012 Marek Vasut <marex@denx.de>
- * Copyright 2013 Google Inc.  All rights reserved.
- *
- * 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.
- */
-
-#ifndef __DRIVERS_STORAGE_BOUNCEBUF_H__
-#define __DRIVERS_STORAGE_BOUNCEBUF_H__
-
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-/*
- * GEN_BB_READ -- Data are read from the buffer eg. by DMA hardware.
- * The source buffer is copied into the bounce buffer (if unaligned, otherwise
- * the source buffer is used directly) upon start() call, then the operation
- * requiring the aligned transfer happens, then the bounce buffer is lost upon
- * stop() call.
- */
-#define GEN_BB_READ	(1 << 0)
-/*
- * GEN_BB_WRITE -- Data are written into the buffer eg. by DMA hardware.
- * The source buffer starts in an undefined state upon start() call, then the
- * operation requiring the aligned transfer happens, then the bounce buffer is
- * copied into the destination buffer (if unaligned, otherwise destination
- * buffer is used directly) upon stop() call.
- */
-#define GEN_BB_WRITE	(1 << 1)
-/*
- * GEN_BB_RW -- Data are read and written into the buffer eg. by DMA hardware.
- * The source buffer is copied into the bounce buffer (if unaligned, otherwise
- * the source buffer is used directly) upon start() call, then the  operation
- * requiring the aligned transfer happens, then the bounce buffer is  copied
- * into the destination buffer (if unaligned, otherwise destination buffer is
- * used directly) upon stop() call.
- */
-#define GEN_BB_RW	(GEN_BB_READ | GEN_BB_WRITE)
-
-struct bounce_buffer {
-	/* Copy of data parameter passed to start() */
-	void *user_buffer;
-	/*
-	 * DMA-aligned buffer. This field is always set to the value that
-	 * should be used for DMA; either equal to .user_buffer, or to a
-	 * freshly allocated aligned buffer.
-	 */
-	void *bounce_buffer;
-	/* Copy of len parameter passed to start() */
-	size_t len;
-	/* DMA-aligned buffer length */
-	size_t len_aligned;
-	/* Copy of flags parameter passed to start() */
-	unsigned int flags;
-};
-
-/**
- * bounce_buffer_start() -- Start the bounce buffer session
- * state:	stores state passed between bounce_buffer_{start,stop}
- * data:	pointer to buffer to be aligned
- * len:		length of the buffer
- * flags:	flags describing the transaction, see above.
- */
-int bounce_buffer_start(struct bounce_buffer *state, void *data,
-			size_t len, unsigned int flags);
-/**
- * bounce_buffer_stop() -- Finish the bounce buffer session
- * state:	stores state passed between bounce_buffer_{start,stop}
- */
-int bounce_buffer_stop(struct bounce_buffer *state);
-
-// TODO(hungte) Eliminate the alignment stuff below and replace them with a
-// better and centralized way to handler non-cache/aligned memory.
-// Helper macros for alignment.
-#define DMA_MINALIGN (64)
-#define ROUND(a, b) (((a) + (b) - 1) & ~((b) - 1))
-#define ALLOC_CACHE_ALIGN_BUFFER(type, name, size)                   \
-	char __##name[ROUND(size * sizeof(type), DMA_MINALIGN) +     \
-		      DMA_MINALIGN - 1];                             \
-	type *name = (type *) ALIGN((uintptr_t)__##name, DMA_MINALIGN)
-#ifndef ARCH_DMA_MINALIGN
-#define ARCH_DMA_MINALIGN (DMA_MINALIGN)
-#endif
-
-#endif // __DRIVERS_STORAGE_BOUNCEBUF_H__