44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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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