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26 lines
811 B
26 lines
811 B
# Copyright (c) 2021 Google Inc |
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# SPDX-License-Identifier: Apache-2.0 |
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config BBRAM_NPCX |
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bool "Nuvoton NPCX embedded controller (EC) Battery-backed RAM drivers" |
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default y |
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depends on DT_HAS_NUVOTON_NPCX_BBRAM_ENABLED |
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help |
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This option enables the BBRAM driver for NPCX family of processors. |
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config BBRAM_NPCX_EMUL |
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bool "Emulator for the NPCX BBRAM driver" |
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default y |
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depends on BBRAM_NPCX |
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depends on EMUL |
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help |
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Enable the emulator for the NPCX BBRAM. |
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config BBRAM_NPCX_STATUS_REG_WRITE_WORKAROUND |
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bool |
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default y if SOC_SERIES_NPCX4 |
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help |
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Workaround the issue documented in NPCX49nF errata rev1_5, No.2.30. |
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A write operation to the BKUP_STS register might disable write to all |
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the Battery-Backed RAM. The workaround is to read the BKUP_STS |
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register after every write to this register.
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