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Diffstat (limited to 'chip/stm32/flash-f.h')
-rw-r--r-- | chip/stm32/flash-f.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/chip/stm32/flash-f.h b/chip/stm32/flash-f.h new file mode 100644 index 0000000000..cbbe6ec86f --- /dev/null +++ b/chip/stm32/flash-f.h @@ -0,0 +1,26 @@ +/* Copyright 2019 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_STM32_FLASH_F_H +#define __CROS_EC_STM32_FLASH_F_H + +#include <stdbool.h> + +enum flash_rdp_level { + FLASH_RDP_LEVEL_INVALID = -1, /**< Error occurred. */ + FLASH_RDP_LEVEL_0, /**< No read protection. */ + FLASH_RDP_LEVEL_1, /**< Reading flash is disabled while in + * bootloader mode or JTAG attached. + * Changing to Level 0 from this level + * triggers mass erase. + */ + FLASH_RDP_LEVEL_2, /**< Same as Level 1, but is permanent + * and can never be disabled. + */ +}; + +bool is_flash_rdp_enabled(void); + +#endif /* __CROS_EC_STM32_FLASH_F_H */ |