--- /dev/null
+/*
+ * (C) Copyright 2005
+ * 2N Telekomunikace, a.s. <www.2n.cz>
+ * Ladislav Michl <michl@2n.cz>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef _NAND_H_
+#define _NAND_H_
+
+#include <config.h>
+
+/*
+ * All boards using a given driver must convert to self-init
+ * at the same time, so do it here. When all drivers are
+ * converted, this will go away.
+ */
+#ifdef CONFIG_SPL_BUILD
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#else
+#if defined(CONFIG_NAND_FSL_ELBC) || defined(CONFIG_NAND_ATMEL)\
+ || defined(CONFIG_NAND_FSL_IFC)
+#define CONFIG_SYS_NAND_SELF_INIT
+#endif
+#endif
+
+extern void nand_init(void);
+
+#include <linux/compat.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+
+#ifdef CONFIG_SYS_NAND_SELF_INIT
+void board_nand_init(void);
+int nand_register(int devnum);
+#else
+extern int board_nand_init(struct nand_chip *nand);
+#endif
+
+typedef struct mtd_info nand_info_t;
+
+extern int nand_curr_device;
+extern nand_info_t nand_info[];
+
+static inline int nand_read(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
+{
+ return mtd_read(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_write(nand_info_t *info, loff_t ofs, size_t *len, u_char *buf)
+{
+ return mtd_write(info, ofs, *len, (size_t *)len, buf);
+}
+
+static inline int nand_block_isbad(nand_info_t *info, loff_t ofs)
+{
+ return mtd_block_isbad(info, ofs);
+}
+
+static inline int nand_erase(nand_info_t *info, loff_t off, size_t size)
+{
+ struct erase_info instr;
+
+ instr.mtd = info;
+ instr.addr = off;
+ instr.len = size;
+ instr.callback = 0;
+
+ return mtd_erase(info, &instr);
+}
+
+
+/*****************************************************************************
+ * declarations from nand_util.c
+ ****************************************************************************/
+
+struct nand_write_options {
+ u_char *buffer; /* memory block containing image to write */
+ ulong length; /* number of bytes to write */
+ ulong offset; /* start address in NAND */
+ int quiet; /* don't display progress messages */
+ int autoplace; /* if true use auto oob layout */
+ int forcejffs2; /* force jffs2 oob layout */
+ int forceyaffs; /* force yaffs oob layout */
+ int noecc; /* write without ecc */
+ int writeoob; /* image contains oob data */
+ int pad; /* pad to page size */
+ int blockalign; /* 1|2|4 set multiple of eraseblocks
+ * to align to */
+};
+
+typedef struct nand_write_options nand_write_options_t;
+typedef struct mtd_oob_ops mtd_oob_ops_t;
+
+struct nand_read_options {
+ u_char *buffer; /* memory block in which read image is written*/
+ ulong length; /* number of bytes to read */
+ ulong offset; /* start address in NAND */
+ int quiet; /* don't display progress messages */
+ int readoob; /* put oob data in image */
+};
+
+typedef struct nand_read_options nand_read_options_t;
+
+struct nand_erase_options {
+ loff_t length; /* number of bytes to erase */
+ loff_t offset; /* first address in NAND to erase */
+ int quiet; /* don't display progress messages */
+ int jffs2; /* if true: format for jffs2 usage
+ * (write appropriate cleanmarker blocks) */
+ int scrub; /* if true, really clean NAND by erasing
+ * bad blocks (UNSAFE) */
+
+ /* Don't include skipped bad blocks in size to be erased */
+ int spread;
+ /* maximum size that actual may be in order to not exceed the buf */
+ loff_t lim;
+};
+
+typedef struct nand_erase_options nand_erase_options_t;
+
+int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ size_t *actual, loff_t lim, u_char *buffer);
+
+#define WITH_YAFFS_OOB (1 << 0) /* whether write with yaffs format. This flag
+ * is a 'mode' meaning it cannot be mixed with
+ * other flags */
+#define WITH_DROP_FFS (1 << 1) /* drop trailing all-0xff pages */
+
+int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
+ size_t *actual, loff_t lim, u_char *buffer, int flags);
+int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
+int nand_torture(nand_info_t *nand, loff_t offset);
+
+#define NAND_LOCK_STATUS_TIGHT 0x01
+#define NAND_LOCK_STATUS_UNLOCK 0x04
+
+int nand_lock(nand_info_t *meminfo, int tight);
+int nand_unlock(nand_info_t *meminfo, loff_t start, size_t length,
+ int allexcept);
+int nand_get_lock_status(nand_info_t *meminfo, loff_t offset);
+
+int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst);
+void nand_deselect(void);
+
+#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
+void board_nand_select_device(struct nand_chip *nand, int chip);
+#endif
+
+__attribute__((noreturn)) void nand_boot(void);
+
+#endif
+
+#ifdef CONFIG_ENV_OFFSET_OOB
+#define ENV_OOB_MARKER 0x30425645 /*"EVB0" in little-endian -- offset is stored
+ as block number*/
+#define ENV_OOB_MARKER_OLD 0x30564e45 /*"ENV0" in little-endian -- offset is
+ stored as byte number */
+#define ENV_OFFSET_SIZE 8
+int get_nand_env_oob(nand_info_t *nand, unsigned long *result);
+#endif
Code Review / kvmfornfv.git / blobdiff