Viewing file:  jz4780-nemc.h (976 B) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* JZ4780 NAND/external memory controller (NEMC)
*
* Copyright (c) 2015 Imagination Technologies
* Author: Alex Smith <alex@alex-smith.me.uk>
*/
#ifndef __LINUX_JZ4780_NEMC_H__
#define __LINUX_JZ4780_NEMC_H__
#include <linux/types.h>
struct device;
/*
* Number of NEMC banks. Note that there are actually 6, but they are numbered
* from 1.
*/
#define JZ4780_NEMC_NUM_BANKS 7
/**
* enum jz4780_nemc_bank_type - device types which can be connected to a bank
* @JZ4780_NEMC_BANK_SRAM: SRAM
* @JZ4780_NEMC_BANK_NAND: NAND
*/
enum jz4780_nemc_bank_type {
JZ4780_NEMC_BANK_SRAM,
JZ4780_NEMC_BANK_NAND,
};
extern unsigned int jz4780_nemc_num_banks(struct device *dev);
extern void jz4780_nemc_set_type(struct device *dev, unsigned int bank,
enum jz4780_nemc_bank_type type);
extern void jz4780_nemc_assert(struct device *dev, unsigned int bank,
bool assert);
#endif /* __LINUX_JZ4780_NEMC_H__ */
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