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/*
* This file is part of the coreboot project.
*
* Copyright 2015 MediaTek Inc.
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__
#define __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__
#include <cbfs.h>
#include <spi-generic.h>
#include <stdint.h>
#include <soc/addressmap.h>
enum {
SFLASH_POLLINGREG_US = 500000,
SFLASH_WRBUF_SIZE = 128,
SFLASHNAME_LENGTH = 16,
SFLASH_WRITE_IN_PROGRESS = 1,
SFLASH_COMMAND_ENABLE = 0x30,
/* NOR flash controller commands */
SFLASH_RD_TRIGGER = 1 << 0,
SFLASH_READSTATUS = 1 << 1,
SFLASH_PRG_CMD = 1 << 2,
SFLASH_WR_TRIGGER = 1 << 4,
SFLASH_WRITESTATUS = 1 << 5,
SFLASH_AUTOINC = 1 << 7,
/* NOR flash commands */
SFLASH_OP_WREN = 0x6,
SECTOR_ERASE_CMD = 0x20,
SFLASH_UNPROTECTED = 0x0
};
/* register Offset */
struct mt8173_nor_regs {
u32 cmd;
u32 cnt;
u32 rdsr;
u32 rdata;
u32 radr[3];
u32 wdata;
u32 prgdata[6];
u32 shreg[10];
u32 cfg[2];
u32 shreg10;
u32 status[5];
u32 timing;
u32 flash_cfg;
u32 reserved2[3];
u32 sf_time;
u32 reserved3;
u32 diff_addr;
u32 del_sel[2];
u32 intrstus;
u32 intren;
u32 pp_ctl;
u32 cfg3;
u32 chksum_ctl;
u32 chksum;
u32 aaicmd;
u32 wrprot;
u32 radr3;
u32 read_dual;
u32 delsel[3];
};
check_member(mt8173_nor_regs, delsel[2], 0xD8);
static struct mt8173_nor_regs * const mt8173_nor = (void *)SFLASH_REG_BASE;
struct spi_flash *mt8173_nor_flash_probe(struct spi_slave *spi);
#endif /* __SOC_MEDIATEK_MT8173_FLASH_CONTROLLER_H__ */
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