1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * JZ4780 NAND/external memory controller (NEMC)
5 * Copyright (c) 2015 Imagination Technologies
6 * Author: Alex Smith <alex@alex-smith.me.uk>
9 #ifndef __LINUX_JZ4780_NEMC_H__
10 #define __LINUX_JZ4780_NEMC_H__
12 #include <linux/types.h>
17 * Number of NEMC banks. Note that there are actually 6, but they are numbered
20 #define JZ4780_NEMC_NUM_BANKS 7
23 * enum jz4780_nemc_bank_type - device types which can be connected to a bank
24 * @JZ4780_NEMC_BANK_SRAM: SRAM
25 * @JZ4780_NEMC_BANK_NAND: NAND
27 enum jz4780_nemc_bank_type {
28 JZ4780_NEMC_BANK_SRAM,
29 JZ4780_NEMC_BANK_NAND,
32 extern unsigned int jz4780_nemc_num_banks(struct device *dev);
34 extern void jz4780_nemc_set_type(struct device *dev, unsigned int bank,
35 enum jz4780_nemc_bank_type type);
36 extern void jz4780_nemc_assert(struct device *dev, unsigned int bank,
39 #endif /* __LINUX_JZ4780_NEMC_H__ */