Remove xlat_helpers.c

lib/aarch64/xlat_helpers.c defines helper functions to build
translation descriptors, but no common code or upstream platform
port uses them. As the rest of the xlat_tables code evolves, there
may be conflicts with these helpers, therefore this code should be
removed.

Change-Id: I9f5be99720f929264818af33db8dada785368711

1 files changed, 0 insertions, 127 deletions

diff --git a/lib/aarch64/xlat_helpers.c b/lib/aarch64/xlat_helpers.c
deleted file mode 100644
index d401ffc4..00000000
--- a/lib/aarch64/xlat_helpers.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * Neither the name of ARM nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <arch.h>
-#include <assert.h>
-
-/*******************************************************************************
- * Helper to create a level 1/2 table descriptor which points to a level 2/3
- * table.
- ******************************************************************************/
-unsigned long create_table_desc(unsigned long *next_table_ptr)
-{
-	unsigned long desc = (unsigned long) next_table_ptr;
-
-	/* Clear the last 12 bits */
-	desc >>= FOUR_KB_SHIFT;
-	desc <<= FOUR_KB_SHIFT;
-
-	desc |= TABLE_DESC;
-
-	return desc;
-}
-
-/*******************************************************************************
- * Helper to create a level 1/2/3 block descriptor which maps the va to addr
- ******************************************************************************/
-unsigned long create_block_desc(unsigned long desc,
-				unsigned long addr,
-				unsigned int level)
-{
-	switch (level) {
-	case LEVEL1:
-		desc |= (addr << FIRST_LEVEL_DESC_N) | BLOCK_DESC;
-		break;
-	case LEVEL2:
-		desc |= (addr << SECOND_LEVEL_DESC_N) | BLOCK_DESC;
-		break;
-	case LEVEL3:
-		desc |= (addr << THIRD_LEVEL_DESC_N) | TABLE_DESC;
-		break;
-	default:
-		assert(0);
-	}
-
-	return desc;
-}
-
-/*******************************************************************************
- * Helper to create a level 1/2/3 block descriptor which maps the va to output_
- * addr with Device nGnRE attributes.
- ******************************************************************************/
-unsigned long create_device_block(unsigned long output_addr,
-				  unsigned int level,
-				  unsigned int ns)
-{
-	unsigned long upper_attrs, lower_attrs, desc;
-
-	lower_attrs = LOWER_ATTRS(ACCESS_FLAG | OSH | AP_RW);
-	lower_attrs |= LOWER_ATTRS(ns | ATTR_DEVICE_INDEX);
-	upper_attrs = UPPER_ATTRS(XN);
-	desc = upper_attrs | lower_attrs;
-
-	return create_block_desc(desc, output_addr, level);
-}
-
-/*******************************************************************************
- * Helper to create a level 1/2/3 block descriptor which maps the va to output_
- * addr with inner-shareable normal wbwa read-only memory attributes.
- ******************************************************************************/
-unsigned long create_romem_block(unsigned long output_addr,
-				 unsigned int level,
-				 unsigned int ns)
-{
-	unsigned long upper_attrs, lower_attrs, desc;
-
-	lower_attrs = LOWER_ATTRS(ACCESS_FLAG | ISH | AP_RO);
-	lower_attrs |= LOWER_ATTRS(ns | ATTR_IWBWA_OWBWA_NTR_INDEX);
-	upper_attrs = UPPER_ATTRS(0ull);
-	desc = upper_attrs | lower_attrs;
-
-	return create_block_desc(desc, output_addr, level);
-}
-
-/*******************************************************************************
- * Helper to create a level 1/2/3 block descriptor which maps the va to output_
- * addr with inner-shareable normal wbwa read-write memory attributes.
- ******************************************************************************/
-unsigned long create_rwmem_block(unsigned long output_addr,
-				 unsigned int level,
-				 unsigned int ns)
-{
-	unsigned long upper_attrs, lower_attrs, desc;
-
-	lower_attrs = LOWER_ATTRS(ACCESS_FLAG | ISH | AP_RW);
-	lower_attrs |= LOWER_ATTRS(ns | ATTR_IWBWA_OWBWA_NTR_INDEX);
-	upper_attrs = UPPER_ATTRS(XN);
-	desc = upper_attrs | lower_attrs;
-
-	return create_block_desc(desc, output_addr, level);
-}