42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
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/*
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* Copyright (c) 2024 Google Inc
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef INCLUDE_ZEPHYR_DRIVERS_BBRAM_NPCX_H_
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#define INCLUDE_ZEPHYR_DRIVERS_BBRAM_NPCX_H_
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#include <stdint.h>
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#include <zephyr/devicetree.h>
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/** Device config */
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struct bbram_npcx_config {
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/** BBRAM base address */
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uintptr_t base_addr;
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/** BBRAM size (Unit:bytes) */
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int size;
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/** Status register base address */
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uintptr_t status_reg_addr;
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};
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#ifdef CONFIG_BBRAM_NPCX_EMUL
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#define BBRAM_NPCX_DECL_CONFIG(inst) \
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static uint8_t bbram_npcx_emul_buffer_##inst[DT_INST_REG_SIZE_BY_NAME(inst, memory)]; \
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static uint8_t bbram_npcx_emul_status_##inst; \
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static const struct bbram_npcx_config bbram_cfg_##inst = { \
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.base_addr = (uintptr_t)bbram_npcx_emul_buffer_##inst, \
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.size = DT_INST_REG_SIZE_BY_NAME(inst, memory), \
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.status_reg_addr = (uintptr_t)&bbram_npcx_emul_status_##inst, \
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}
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#else
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#define BBRAM_NPCX_DECL_CONFIG(inst) \
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static const struct bbram_npcx_config bbram_cfg_##inst = { \
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.base_addr = DT_INST_REG_ADDR_BY_NAME(inst, memory), \
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.size = DT_INST_REG_SIZE_BY_NAME(inst, memory), \
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.status_reg_addr = DT_INST_REG_ADDR_BY_NAME(inst, status), \
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}
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#endif
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#endif /* INCLUDE_ZEPHYR_DRIVERS_BBRAM_NPCX_H_ */
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