GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
21813 changed files with 4413081 additions and 0 deletions
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) LOTUS. All rights reserved.
+ */
+
+#ifndef __FMC100_H__
+#define __FMC100_H__
+
+#include <nand.h>
+#include <linux/lotus/fmc_common.h>
+#include <linux/lotus/nfc_common.h>
+#include "fmc_spi_ids.h"
+#include <cpu_func.h>
+/*****************************************************************************/
+/* These macroes are for debug only, reg option is slower then dma option */
+#undef FMC100_SPI_NAND_SUPPORT_REG_READ
+#undef FMC100_SPI_NAND_SUPPORT_REG_WRITE
+
+/*****************************************************************************/
+#define REG_CNT_HIGH_BLOCK_NUM_SHIFT        10
+
+#define REG_CNT_BLOCK_NUM_MASK          0x3ff
+#define REG_CNT_BLOCK_NUM_SHIFT         22
+
+#define REG_CNT_PAGE_NUM_MASK           0x3f
+#define REG_CNT_PAGE_NUM_SHIFT          16
+
+#define REG_CNT_WRAP_MASK           0xf
+#define REG_CNT_WRAP_SHIFT          12
+
+#define REG_CNT_ECC_OFFSET_MASK         0xfff
+#define REG_CNT_ECC_8BIT_OFFSET         1054
+#define REG_CNT_ECC_16BIT_OFFSET        1056
+#define REG_CNT_ECC_24BIT_OFFSET        1082
+
+#define ERR_STR_DRIVER "Driver does not support this configure "
+#define ERR_STR_CHECK "Please make sure the hardware configuration is correct"
+
+/*****************************************************************************/
+#define SPI_NAND_MAX_PAGESIZE           4096
+#define SPI_NAND_MAX_OOBSIZE            256
+
+#define FMC100_BUFFER_LEN (SPI_NAND_MAX_PAGESIZE + SPI_NAND_MAX_OOBSIZE)
+
+#define FMC100_ADDR_CYCLE_MASK        0x2
+
+/*****************************************************************************/
+struct fmc_host {
+	struct mtd_info *mtd;
+	struct nand_chip *chip;
+	struct fmc_spi spi[CONFIG_SPI_NAND_MAX_CHIP_NUM];
+	struct fmc_cmd_op cmd_op;
+
+	void __iomem *iobase;
+	void __iomem *regbase;
+
+	unsigned int fmc_cfg;
+	unsigned int fmc_cfg_ecc0;
+
+	unsigned int offset;
+
+	struct device *dev;
+
+	/* This is maybe an un-aligment address, only for malloc or free */
+	char *buforg;
+	char *buffer;
+
+	unsigned long dma_buffer;
+	unsigned long dma_oob;
+
+	unsigned int addr_cycle;
+	unsigned int addr_value[2]; /* 2 addr */
+	unsigned int cache_addr_value[2]; /* 2 addr */
+
+	unsigned int column;
+	unsigned int block_page_mask;
+
+	unsigned int ecctype;
+	unsigned int pagesize;
+	unsigned int oobsize;
+
+	int add_partition;
+
+	/* BOOTROM read two bytes to detect the bad block flag */
+#define FMC_BAD_BLOCK_POS     0
+	unsigned char *bbm; /* nand bad block mark */
+	unsigned short *epm;    /* nand empty page mark */
+
+	unsigned int uc_er;
+
+	void (*send_cmd_pageprog)(struct fmc_host *host);
+	void (*send_cmd_status)(struct fmc_host *host);
+	void (*send_cmd_readstart)(struct fmc_host *host);
+	void (*send_cmd_erase)(struct fmc_host *host);
+	void (*send_cmd_readid)(struct fmc_host *host);
+	void (*send_cmd_reset)(struct fmc_host *host);
+	void (*set_system_clock)(struct spi_op *op, int clk_en);
+};
+
+void fmc100_ecc0_switch(struct fmc_host *host, unsigned char op);
+
+int fmc100_host_init(struct fmc_host *host);
+
+void fmc100_spi_nand_init(struct fmc_host *host);
+
+void fmc_spi_nand_ids_register(void);
+char spi_nand_feature_op(struct fmc_spi* const spi, unsigned char op,
+				unsigned char addr, unsigned int* const val);
+
+#endif /* End of __FMC100_H__ */