110 lines
3.1 KiB
C
Executable File
110 lines
3.1 KiB
C
Executable File
/*
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* Copyright (c) LOTUS. All rights reserved.
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*/
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#ifndef __FMC100_H__
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#define __FMC100_H__
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#include <nand.h>
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#include <linux/lotus/fmc_common.h>
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#include <linux/lotus/nfc_common.h>
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#include "fmc_spi_ids.h"
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#include <cpu_func.h>
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/*****************************************************************************/
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/* These macroes are for debug only, reg option is slower then dma option */
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#undef FMC100_SPI_NAND_SUPPORT_REG_READ
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#undef FMC100_SPI_NAND_SUPPORT_REG_WRITE
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/*****************************************************************************/
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#define REG_CNT_HIGH_BLOCK_NUM_SHIFT 10
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#define REG_CNT_BLOCK_NUM_MASK 0x3ff
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#define REG_CNT_BLOCK_NUM_SHIFT 22
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#define REG_CNT_PAGE_NUM_MASK 0x3f
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#define REG_CNT_PAGE_NUM_SHIFT 16
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#define REG_CNT_WRAP_MASK 0xf
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#define REG_CNT_WRAP_SHIFT 12
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#define REG_CNT_ECC_OFFSET_MASK 0xfff
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#define REG_CNT_ECC_8BIT_OFFSET 1054
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#define REG_CNT_ECC_16BIT_OFFSET 1056
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#define REG_CNT_ECC_24BIT_OFFSET 1082
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#define ERR_STR_DRIVER "Driver does not support this configure "
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#define ERR_STR_CHECK "Please make sure the hardware configuration is correct"
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/*****************************************************************************/
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#define SPI_NAND_MAX_PAGESIZE 4096
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#define SPI_NAND_MAX_OOBSIZE 256
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#define FMC100_BUFFER_LEN (SPI_NAND_MAX_PAGESIZE + SPI_NAND_MAX_OOBSIZE)
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#define FMC100_ADDR_CYCLE_MASK 0x2
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/*****************************************************************************/
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struct fmc_host {
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struct mtd_info *mtd;
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struct nand_chip *chip;
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struct fmc_spi spi[CONFIG_SPI_NAND_MAX_CHIP_NUM];
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struct fmc_cmd_op cmd_op;
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void __iomem *iobase;
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void __iomem *regbase;
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unsigned int fmc_cfg;
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unsigned int fmc_cfg_ecc0;
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unsigned int offset;
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struct device *dev;
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/* This is maybe an un-aligment address, only for malloc or free */
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char *buforg;
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char *buffer;
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unsigned long dma_buffer;
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unsigned long dma_oob;
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unsigned int addr_cycle;
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unsigned int addr_value[2]; /* 2 addr */
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unsigned int cache_addr_value[2]; /* 2 addr */
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unsigned int column;
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unsigned int block_page_mask;
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unsigned int ecctype;
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unsigned int pagesize;
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unsigned int oobsize;
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int add_partition;
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/* BOOTROM read two bytes to detect the bad block flag */
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#define FMC_BAD_BLOCK_POS 0
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unsigned char *bbm; /* nand bad block mark */
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unsigned short *epm; /* nand empty page mark */
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unsigned int uc_er;
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void (*send_cmd_pageprog)(struct fmc_host *host);
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void (*send_cmd_status)(struct fmc_host *host);
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void (*send_cmd_readstart)(struct fmc_host *host);
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void (*send_cmd_erase)(struct fmc_host *host);
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void (*send_cmd_readid)(struct fmc_host *host);
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void (*send_cmd_reset)(struct fmc_host *host);
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void (*set_system_clock)(struct spi_op *op, int clk_en);
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};
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void fmc100_ecc0_switch(struct fmc_host *host, unsigned char op);
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int fmc100_host_init(struct fmc_host *host);
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void fmc100_spi_nand_init(struct fmc_host *host);
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void fmc_spi_nand_ids_register(void);
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char spi_nand_feature_op(struct fmc_spi* const spi, unsigned char op,
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unsigned char addr, unsigned int* const val);
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#endif /* End of __FMC100_H__ */
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