1 files changed, 0 insertions, 83 deletions
diff --git a/qemu/roms/u-boot/common/bouncebuf.c b/qemu/roms/u-boot/common/bouncebuf.c
deleted file mode 100644
index 9eece6d75..000000000
--- a/qemu/roms/u-boot/common/bouncebuf.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * Generic bounce buffer implementation
- *
- * Copyright (C) 2012 Marek Vasut <marex@denx.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <errno.h>
-#include <bouncebuf.h>
-
-static int addr_aligned(struct bounce_buffer *state)
-{
-	const ulong align_mask = ARCH_DMA_MINALIGN - 1;
-
-	/* Check if start is aligned */
-	if ((ulong)state->user_buffer & align_mask) {
-		debug("Unaligned buffer address %p\n", state->user_buffer);
-		return 0;
-	}
-
-	/* Check if length is aligned */
-	if (state->len != state->len_aligned) {
-		debug("Unaligned buffer length %d\n", state->len);
-		return 0;
-	}
-
-	/* Aligned */
-	return 1;
-}
-
-int bounce_buffer_start(struct bounce_buffer *state, void *data,
-			size_t len, unsigned int flags)
-{
-	state->user_buffer = data;
-	state->bounce_buffer = data;
-	state->len = len;
-	state->len_aligned = roundup(len, ARCH_DMA_MINALIGN);
-	state->flags = flags;
-
-	if (!addr_aligned(state)) {
-		state->bounce_buffer = memalign(ARCH_DMA_MINALIGN,
-						state->len_aligned);
-		if (!state->bounce_buffer)
-			return -ENOMEM;
-
-		if (state->flags & GEN_BB_READ)
-			memcpy(state->bounce_buffer, state->user_buffer,
-				state->len);
-	}
-
-	/*
-	 * Flush data to RAM so DMA reads can pick it up,
-	 * and any CPU writebacks don't race with DMA writes
-	 */
-	flush_dcache_range((unsigned long)state->bounce_buffer,
-				(unsigned long)(state->bounce_buffer) +
-					state->len_aligned);
-
-	return 0;
-}
-
-int bounce_buffer_stop(struct bounce_buffer *state)
-{
-	if (state->flags & GEN_BB_WRITE) {
-		/* Invalidate cache so that CPU can see any newly DMA'd data */
-		invalidate_dcache_range((unsigned long)state->bounce_buffer,
-					(unsigned long)(state->bounce_buffer) +
-						state->len_aligned);
-	}
-
-	if (state->bounce_buffer == state->user_buffer)
-		return 0;
-
-	if (state->flags & GEN_BB_WRITE)
-		memcpy(state->user_buffer, state->bounce_buffer, state->len);
-
-	free(state->bounce_buffer);
-
-	return 0;
-}