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/* Copyright 2015 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.
*/
#ifndef __CROS_EC_CONFIG_FLASH_LAYOUT_H
#define __CROS_EC_CONFIG_FLASH_LAYOUT_H
/* Mem-mapped, No external SPI for ISH */
#undef CONFIG_EXTERNAL_STORAGE
#define CONFIG_MAPPED_STORAGE
#undef CONFIG_FLASH_PSTATE
#undef CONFIG_SPI_FLASH
#ifdef CHIP_VARIANT_ISH5P4
#define CONFIG_ISH_BOOT_START 0xFF200000
#else
#define CONFIG_ISH_BOOT_START 0xFF000000
#endif
/*****************************************************************************/
/* The following macros are not applicable for ISH, however the build fails if
* they are not defined. Ideally, there should be an option in EC build to
* turn off SPI and flash, making these unnecessary.
*/
#define CONFIG_MAPPED_STORAGE_BASE 0x0
#define CONFIG_EC_PROTECTED_STORAGE_OFF (CONFIG_FLASH_SIZE_BYTES - 0x20000)
#define CONFIG_EC_PROTECTED_STORAGE_SIZE 0x20000
#define CONFIG_EC_WRITABLE_STORAGE_OFF (CONFIG_FLASH_SIZE_BYTES - 0x40000)
#define CONFIG_EC_WRITABLE_STORAGE_SIZE 0x20000
/* Unused for ISH - loader is external to ISH FW */
#define CONFIG_LOADER_MEM_OFF 0
#define CONFIG_LOADER_SIZE 0xC00
/* RO/RW images - not relevant for ISH
*/
#define CONFIG_RO_MEM_OFF (CONFIG_LOADER_MEM_OFF + \
CONFIG_LOADER_SIZE)
#define CONFIG_RO_SIZE (97 * 1024)
#define CONFIG_RW_MEM_OFF CONFIG_RO_MEM_OFF
#define CONFIG_RW_SIZE CONFIG_RO_SIZE
/*****************************************************************************/
/* Not relevant for ISH */
#define CONFIG_BOOT_HEADER_STORAGE_OFF 0
#define CONFIG_BOOT_HEADER_STORAGE_SIZE 0x240
#define CONFIG_LOADER_STORAGE_OFF (CONFIG_BOOT_HEADER_STORAGE_OFF + \
CONFIG_BOOT_HEADER_STORAGE_SIZE)
/* RO image immediately follows the loader image */
#define CONFIG_RO_STORAGE_OFF (CONFIG_LOADER_STORAGE_OFF + \
CONFIG_LOADER_SIZE)
/* RW image starts at the beginning of SPI */
#define CONFIG_RW_STORAGE_OFF 0
#endif /* __CROS_EC_CONFIG_FLASH_LAYOUT_H */
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