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/* Copyright 2021 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_FLASH_CHIP_H
#define __CROS_EC_FLASH_CHIP_H
/*
* One page program instruction allows maximum 256 bytes (a page) of data
* to be programmed.
*/
#define CONFIG_FLASH_WRITE_IDEAL_SIZE 256
/* Minimum write size */
#define CONFIG_FLASH_WRITE_SIZE \
DT_PROP(DT_INST(0, soc_nv_flash), write_block_size)
/* Erase bank size */
#define CONFIG_FLASH_ERASE_SIZE \
DT_PROP(DT_INST(0, soc_nv_flash), erase_block_size)
/* Protect bank size */
#define CONFIG_FLASH_BANK_SIZE CONFIG_FLASH_ERASE_SIZE
#define CONFIG_RO_STORAGE_OFF 0x0
#define CONFIG_RW_STORAGE_OFF 0x0
/*
* 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
#define CONFIG_FW_PSTATE_OFF \
(CONFIG_RO_STORAGE_OFF + CONFIG_RO_SIZE - CONFIG_FW_PSTATE_SIZE)
#endif /* __CROS_EC_FLASH_CHIP_H */
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