| /* 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__ */ |
