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/* Copyright (c) 2014 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_STD_FLASH_H
#define __CROS_EC_CONFIG_STD_FLASH_H
/* RO firmware must start at beginning of flash */
#define CONFIG_FW_RO_OFF 0
/*
* The EC uses the one bank of flash to emulate a SPI-like write protect
* register with persistent state.
*/
#define CONFIG_FW_PSTATE_SIZE CONFIG_FLASH_BANK_SIZE
#ifdef CONFIG_PSTATE_AT_END
/* PSTATE is at end of flash */
#define CONFIG_FW_RO_SIZE CONFIG_FW_IMAGE_SIZE
#define CONFIG_FW_PSTATE_OFF (CONFIG_FLASH_PHYSICAL_SIZE \
- CONFIG_FW_PSTATE_SIZE)
/* Don't claim PSTATE is part of flash */
#define CONFIG_FLASH_SIZE CONFIG_FW_PSTATE_OFF
#else
/* PSTATE immediately follows RO, in the first half of flash */
#define CONFIG_FW_RO_SIZE (CONFIG_FW_IMAGE_SIZE \
- CONFIG_FW_PSTATE_SIZE)
#define CONFIG_FW_PSTATE_OFF CONFIG_FW_RO_SIZE
#define CONFIG_FLASH_SIZE CONFIG_FLASH_PHYSICAL_SIZE
#endif
/* Either way, RW firmware is one firmware image offset from the start */
#define CONFIG_FW_RW_OFF CONFIG_FW_IMAGE_SIZE
#define CONFIG_FW_RW_SIZE CONFIG_FW_IMAGE_SIZE
/* TODO(crosbug.com/p/23796): why 2 sets of configs with the same numbers? */
#define CONFIG_FW_WP_RO_OFF CONFIG_FW_RO_OFF
#define CONFIG_FW_WP_RO_SIZE CONFIG_FW_RO_SIZE
#endif /* __CROS_EC_CONFIG_STD_FLASH_H */
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