44 строки
1.2 KiB
C
44 строки
1.2 KiB
C
|
/*
|
||
|
|
* JZ4780 NAND/external memory controller (NEMC)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2015 Imagination Technologies
|
||
|
|
* Author: Alex Smith <alex@alex-smith.me.uk>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the
|
||
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||
|
|
* option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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__ */
|