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05e254862f
There are different DDR parameter settings for different board revisions. Add a new interface to get the PCB revision to determine which DT should be selected at runtime. Signed-off-by: Zong Li <zong.li@sifive.com> Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
15 lines
277 B
C
15 lines
277 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2021 SiFive, Inc.
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*
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* Zong Li <zong.li@sifve.com>
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*/
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#ifndef _ASM_RISCV_EEPROM_H
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#define _ASM_RISCV_EEPROM_H
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#define PCB_REVISION_REV3 0x3
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u8 get_pcb_revision_from_eeprom(void);
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#endif /* _ASM_RISCV_EEPROM_H */
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