1 files changed, 0 insertions, 177 deletions
diff --git a/chip/host/flash.c b/chip/host/flash.c
deleted file mode 100644
index 75212737e0..0000000000
--- a/chip/host/flash.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/* Copyright 2013 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.
- */
-
-/* Flash module for emulator */
-
-#include <stdio.h>
-
-#include "common.h"
-#include "config_chip.h"
-#include "flash.h"
-#include "persistence.h"
-#include "util.h"
-
-/* This needs to be aligned to the erase bank size for NVCTR. */
-__aligned(CONFIG_FLASH_ERASE_SIZE) char __host_flash[CONFIG_FLASH_SIZE_BYTES];
-uint8_t __host_flash_protect[PHYSICAL_BANKS];
-
-/* Override this function to make flash erase/write operation fail */
-test_mockable int flash_pre_op(void)
-{
-	return EC_SUCCESS;
-}
-
-static int flash_check_protect(int offset, int size)
-{
-	int first_bank = offset / CONFIG_FLASH_BANK_SIZE;
-	int last_bank = DIV_ROUND_UP(offset + size,
-				     CONFIG_FLASH_BANK_SIZE);
-	int bank;
-
-	for (bank = first_bank; bank < last_bank; ++bank)
-		if (__host_flash_protect[bank])
-			return 1;
-	return 0;
-}
-
-static void flash_set_persistent(void)
-{
-	FILE *f = get_persistent_storage("flash", "wb");
-	int sz;
-
-	ASSERT(f != NULL);
-
-	sz = fwrite(__host_flash, sizeof(__host_flash), 1, f);
-	ASSERT(sz == 1);
-
-	release_persistent_storage(f);
-}
-
-static void flash_get_persistent(void)
-{
-	FILE *f = get_persistent_storage("flash", "rb");
-	int sz;
-
-	if (f == NULL) {
-		fprintf(stderr,
-			"No flash storage found. Initializing to 0xff.\n");
-		memset(__host_flash, 0xff, sizeof(__host_flash));
-		return;
-	}
-
-	sz = fread(__host_flash, sizeof(__host_flash), 1, f);
-	ASSERT(sz == 1);
-
-	release_persistent_storage(f);
-}
-
-int crec_flash_physical_write(int offset, int size, const char *data)
-{
-	ASSERT((size & (CONFIG_FLASH_WRITE_SIZE - 1)) == 0);
-
-	if (flash_pre_op() != EC_SUCCESS)
-		return EC_ERROR_UNKNOWN;
-
-	if (flash_check_protect(offset, size))
-		return EC_ERROR_ACCESS_DENIED;
-
-	memcpy(__host_flash + offset, data, size);
-	flash_set_persistent();
-
-	return EC_SUCCESS;
-}
-
-int crec_flash_physical_erase(int offset, int size)
-{
-	ASSERT((size & (CONFIG_FLASH_ERASE_SIZE - 1)) == 0);
-
-	if (flash_pre_op() != EC_SUCCESS)
-		return EC_ERROR_UNKNOWN;
-
-	if (flash_check_protect(offset, size))
-		return EC_ERROR_ACCESS_DENIED;
-
-	memset(__host_flash + offset, 0xff, size);
-	flash_set_persistent();
-
-	return EC_SUCCESS;
-}
-
-int crec_flash_physical_get_protect(int bank)
-{
-	return __host_flash_protect[bank];
-}
-
-uint32_t crec_flash_physical_get_protect_flags(void)
-{
-	int i;
-	uint32_t flags = EC_FLASH_PROTECT_ALL_NOW;
-
-	for (i = 0; i < PHYSICAL_BANKS; ++i)
-		if (__host_flash_protect[i] == 0)
-			flags = 0;
-
-	return flags;
-}
-
-int crec_flash_physical_protect_now(int all)
-{
-	memset(__host_flash_protect, 1, all ? PHYSICAL_BANKS : WP_BANK_COUNT);
-	return EC_SUCCESS;
-}
-
-uint32_t crec_flash_physical_get_valid_flags(void)
-{
-	return EC_FLASH_PROTECT_RO_AT_BOOT |
-	       EC_FLASH_PROTECT_RO_NOW |
-	       EC_FLASH_PROTECT_ALL_NOW;
-}
-
-uint32_t crec_flash_physical_get_writable_flags(uint32_t cur_flags)
-{
-	uint32_t ret = 0;
-
-	/* If RO protection isn't enabled, its at-boot state can be changed. */
-	if (!(cur_flags & EC_FLASH_PROTECT_RO_NOW))
-		ret |= EC_FLASH_PROTECT_RO_AT_BOOT;
-
-	/*
-	 * If entire flash isn't protected at this boot, it can be enabled if
-	 * the WP GPIO is asserted.
-	 */
-	if (!(cur_flags & EC_FLASH_PROTECT_ALL_NOW) &&
-	    (cur_flags & EC_FLASH_PROTECT_GPIO_ASSERTED))
-		ret |= EC_FLASH_PROTECT_ALL_NOW;
-
-	return ret;
-}
-
-int crec_flash_pre_init(void)
-{
-	uint32_t prot_flags;
-
-	flash_get_persistent();
-
-	prot_flags = crec_flash_get_protect();
-
-	if (prot_flags & EC_FLASH_PROTECT_GPIO_ASSERTED) {
-		/*
-		 * Write protect is asserted.  If we want RO flash protected,
-		 * protect it now.
-		 */
-		if ((prot_flags & EC_FLASH_PROTECT_RO_AT_BOOT) &&
-		    !(prot_flags & EC_FLASH_PROTECT_RO_NOW)) {
-			int rv = crec_flash_set_protect(EC_FLASH_PROTECT_RO_NOW,
-						   EC_FLASH_PROTECT_RO_NOW);
-			if (rv)
-				return rv;
-
-			/* Re-read flags */
-			prot_flags = crec_flash_get_protect();
-		}
-	}
-
-	return EC_SUCCESS;
-}