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mtd: nand: mxs_nand: move structs into header file
Move structs into header file so we can use a separate compile unit for device tree support. Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
This commit is contained in:
Stefan Agner
Stefano Babic
parent
502bdc6b4f
commit
68748340c8
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@ -13,12 +13,11 @@
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*/
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#include <common.h>
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#include <linux/mtd/mtd.h>
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#include <dm.h>
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#include <linux/mtd/rawnand.h>
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#include <linux/sizes.h>
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#include <linux/types.h>
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#include <malloc.h>
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#include <nand.h>
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#include <linux/errno.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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@ -26,7 +25,6 @@
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#include <asm/mach-imx/regs-bch.h>
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#include <asm/mach-imx/regs-gpmi.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/mach-imx/dma.h>
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#include "mxs_nand.h"
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#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
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@ -47,61 +45,6 @@
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#define MXS_NAND_BCH_TIMEOUT 10000
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/**
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* @gf_len: The length of Galois Field. (e.g., 13 or 14)
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* @ecc_strength: A number that describes the strength of the ECC
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* algorithm.
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* @ecc_chunk_size: The size, in bytes, of a single ECC chunk. Note
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* the first chunk in the page includes both data and
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* metadata, so it's a bit larger than this value.
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* @ecc_chunk_count: The number of ECC chunks in the page,
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* @block_mark_byte_offset: The byte offset in the ECC-based page view at
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* which the underlying physical block mark appears.
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* @block_mark_bit_offset: The bit offset into the ECC-based page view at
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* which the underlying physical block mark appears.
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*/
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struct bch_geometry {
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unsigned int gf_len;
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unsigned int ecc_strength;
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unsigned int ecc_chunk_size;
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unsigned int ecc_chunk_count;
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unsigned int block_mark_byte_offset;
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unsigned int block_mark_bit_offset;
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};
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struct mxs_nand_info {
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struct nand_chip chip;
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unsigned int max_ecc_strength_supported;
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bool use_minimum_ecc;
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int cur_chip;
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uint32_t cmd_queue_len;
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uint32_t data_buf_size;
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struct bch_geometry bch_geometry;
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uint8_t *cmd_buf;
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uint8_t *data_buf;
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uint8_t *oob_buf;
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uint8_t marking_block_bad;
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uint8_t raw_oob_mode;
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struct mxs_gpmi_regs *gpmi_regs;
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struct mxs_bch_regs *bch_regs;
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/* Functions with altered behaviour */
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int (*hooked_read_oob)(struct mtd_info *mtd,
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loff_t from, struct mtd_oob_ops *ops);
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int (*hooked_write_oob)(struct mtd_info *mtd,
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loff_t to, struct mtd_oob_ops *ops);
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int (*hooked_block_markbad)(struct mtd_info *mtd,
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loff_t ofs);
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/* DMA descriptors */
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struct mxs_dma_desc **desc;
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uint32_t desc_index;
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};
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struct nand_ecclayout fake_ecc_layout;
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/*
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@ -1233,7 +1176,7 @@ int mxs_nand_init_spl(struct nand_chip *nand)
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return 0;
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}
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int mxs_nand_init(struct mxs_nand_info *nand_info)
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int mxs_nand_init_ctrl(struct mxs_nand_info *nand_info)
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{
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struct mtd_info *mtd;
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struct nand_chip *nand;
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@ -1328,7 +1271,7 @@ void board_nand_init(void)
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nand_info->use_minimum_ecc = true;
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#endif
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if (mxs_nand_init(nand_info) < 0)
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if (mxs_nand_init_ctrl(nand_info) < 0)
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goto err;
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return;
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@ -7,5 +7,67 @@
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* Stefan Agner <stefan.agner@toradex.com>
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*/
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#include <linux/mtd/mtd.h>
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#include <asm/cache.h>
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#include <nand.h>
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#include <asm/mach-imx/dma.h>
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/**
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* @gf_len: The length of Galois Field. (e.g., 13 or 14)
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* @ecc_strength: A number that describes the strength of the ECC
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* algorithm.
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* @ecc_chunk_size: The size, in bytes, of a single ECC chunk. Note
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* the first chunk in the page includes both data and
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* metadata, so it's a bit larger than this value.
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* @ecc_chunk_count: The number of ECC chunks in the page,
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* @block_mark_byte_offset: The byte offset in the ECC-based page view at
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* which the underlying physical block mark appears.
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* @block_mark_bit_offset: The bit offset into the ECC-based page view at
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* which the underlying physical block mark appears.
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*/
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struct bch_geometry {
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unsigned int gf_len;
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unsigned int ecc_strength;
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unsigned int ecc_chunk_size;
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unsigned int ecc_chunk_count;
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unsigned int block_mark_byte_offset;
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unsigned int block_mark_bit_offset;
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};
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struct mxs_nand_info {
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struct nand_chip chip;
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struct udevice *dev;
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unsigned int max_ecc_strength_supported;
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bool use_minimum_ecc;
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int cur_chip;
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uint32_t cmd_queue_len;
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uint32_t data_buf_size;
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struct bch_geometry bch_geometry;
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uint8_t *cmd_buf;
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uint8_t *data_buf;
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uint8_t *oob_buf;
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uint8_t marking_block_bad;
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uint8_t raw_oob_mode;
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struct mxs_gpmi_regs *gpmi_regs;
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struct mxs_bch_regs *bch_regs;
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/* Functions with altered behaviour */
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int (*hooked_read_oob)(struct mtd_info *mtd,
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loff_t from, struct mtd_oob_ops *ops);
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int (*hooked_write_oob)(struct mtd_info *mtd,
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loff_t to, struct mtd_oob_ops *ops);
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int (*hooked_block_markbad)(struct mtd_info *mtd,
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loff_t ofs);
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/* DMA descriptors */
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struct mxs_dma_desc **desc;
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uint32_t desc_index;
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};
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int mxs_nand_init_ctrl(struct mxs_nand_info *nand_info);
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int mxs_nand_init_spl(struct nand_chip *nand);
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int mxs_nand_setup_ecc(struct mtd_info *mtd);
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