2019-05-27 14:55:01 +08:00
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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2015-03-09 22:29:04 +08:00
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/*
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* JZ4780 NAND/external memory controller (NEMC)
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*
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* Copyright (c) 2015 Imagination Technologies
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* Author: Alex Smith <alex@alex-smith.me.uk>
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*/
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#ifndef __LINUX_JZ4780_NEMC_H__
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#define __LINUX_JZ4780_NEMC_H__
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#include <linux/types.h>
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struct device;
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/*
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* Number of NEMC banks. Note that there are actually 6, but they are numbered
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* from 1.
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*/
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#define JZ4780_NEMC_NUM_BANKS 7
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/**
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* enum jz4780_nemc_bank_type - device types which can be connected to a bank
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* @JZ4780_NEMC_BANK_SRAM: SRAM
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* @JZ4780_NEMC_BANK_NAND: NAND
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*/
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enum jz4780_nemc_bank_type {
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JZ4780_NEMC_BANK_SRAM,
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JZ4780_NEMC_BANK_NAND,
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};
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extern unsigned int jz4780_nemc_num_banks(struct device *dev);
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extern void jz4780_nemc_set_type(struct device *dev, unsigned int bank,
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enum jz4780_nemc_bank_type type);
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extern void jz4780_nemc_assert(struct device *dev, unsigned int bank,
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bool assert);
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#endif /* __LINUX_JZ4780_NEMC_H__ */
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