summaryrefslogtreecommitdiff
path: root/common/init_rom.c
diff options
context:
space:
mode:
Diffstat (limited to 'common/init_rom.c')
-rw-r--r--common/init_rom.c69
1 files changed, 0 insertions, 69 deletions
diff --git a/common/init_rom.c b/common/init_rom.c
deleted file mode 100644
index 320849c008..0000000000
--- a/common/init_rom.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-/* Init ROM module for Chrome EC */
-
-#include "builtin/assert.h"
-#include "common.h"
-#include "init_rom.h"
-#include "flash.h"
-#include "stdbool.h"
-#include "stddef.h"
-
-const void *init_rom_map(const void *addr, int size)
-{
- const char *src;
- uintptr_t offset;
-
- /*
- * When CONFIG_CHIP_INIT_ROM_REGION isn't enabled, .init_rom objects
- * are linked into the .rodata section and directly addressable.
- * Return the caller's pointer.
- */
- if (!IS_ENABLED(CONFIG_CHIP_INIT_ROM_REGION))
- return addr;
-
- /*
- * When flash isn't memory mapped, caller's must use init_rom_copy()
- * to copy .init_rom data into RAM.
- */
- if (!IS_ENABLED(CONFIG_MAPPED_STORAGE))
- return NULL;
-
- /*
- * Safe pointer conversion - needed for host tests which can have
- * 64-bit pointers.
- */
- offset = (uintptr_t)addr;
-
- ASSERT(offset <= __INT_MAX__);
-
- /*
- * Convert flash offset to memory mapped address
- */
- if (crec_flash_dataptr((int)offset, size, 1, &src) < 0)
- return NULL;
-
- /* Once the flash offset is validated, lock the flash for the caller */
- crec_flash_lock_mapped_storage(1);
-
- return src;
-}
-
-/*
- * The addr and size parameters are provided for forward compatibility if
- * the flash API is extended to support locking less than the entire flash.
- */
-void init_rom_unmap(const void *addr, int size)
-{
- if (IS_ENABLED(CONFIG_CHIP_INIT_ROM_REGION))
- crec_flash_lock_mapped_storage(0);
-}
-
-int init_rom_copy(int offset, int size, char *data)
-{
- return crec_flash_read(offset, size, data);
-}
-