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Diffstat (limited to 'chip/stm32/bkpdata.h')
-rw-r--r-- | chip/stm32/bkpdata.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/chip/stm32/bkpdata.h b/chip/stm32/bkpdata.h deleted file mode 100644 index 14bd3517cc..0000000000 --- a/chip/stm32/bkpdata.h +++ /dev/null @@ -1,61 +0,0 @@ -/* Copyright 2020 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. - */ - -/* Backup data functionality */ - -#ifndef __CROS_EC_BKPDATA_H -#define __CROS_EC_BKPDATA_H - -#include "common.h" -#include "registers.h" -#include "system.h" /* enum system_bbram_idx */ - -/* We use 16-bit BKP / BBRAM entries. */ -#define STM32_BKP_ENTRIES (STM32_BKP_BYTES / 2) - -enum bkpdata_index { - BKPDATA_INDEX_SCRATCHPAD, /* General-purpose scratchpad */ - BKPDATA_INDEX_SAVED_RESET_FLAGS, /* Saved reset flags */ - BKPDATA_INDEX_SAVED_RESET_FLAGS_2, /* Saved reset flags (cont) */ -#ifdef CONFIG_SOFTWARE_PANIC - BKPDATA_INDEX_SAVED_PANIC_REASON, /* Saved panic reason */ - BKPDATA_INDEX_SAVED_PANIC_INFO, /* Saved panic data */ - BKPDATA_INDEX_SAVED_PANIC_EXCEPTION, /* Saved panic exception code */ -#endif -#ifdef CONFIG_USB_PD_DUAL_ROLE - BKPDATA_INDEX_PD0, /* USB-PD saved port0 state */ - BKPDATA_INDEX_PD1, /* USB-PD saved port1 state */ - BKPDATA_INDEX_PD2, /* USB-PD saved port2 state */ -#endif -#ifdef CONFIG_SOFTWARE_PANIC - /** - * Saving the panic flags in case that AP thinks the panic is new - * after a hard reset. - */ - BKPDATA_INDEX_SAVED_PANIC_FLAGS, /* Saved panic flags */ -#endif - BKPDATA_COUNT -}; -BUILD_ASSERT(STM32_BKP_ENTRIES >= BKPDATA_COUNT); - -/** - * Read backup register at specified index. - * - * @return The value of the register or 0 if invalid index. - */ -uint16_t bkpdata_read(enum bkpdata_index index); - -/** - * Write hibernate register at specified index. - * - * @return nonzero if error. - */ -int bkpdata_write(enum bkpdata_index index, uint16_t value); - -int bkpdata_index_lookup(enum system_bbram_idx idx, int *msb); -uint32_t bkpdata_read_reset_flags(void); -void bkpdata_write_reset_flags(uint32_t save_flags); - -#endif /* __CROS_EC_BKPDATA_H */ |