diff options
Diffstat (limited to 'drivers/mtd/nand/gpmi-nand/gpmi-nand.h')
| -rw-r--r-- | drivers/mtd/nand/gpmi-nand/gpmi-nand.h | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h index 4e49a1f5fa27..f92616b99871 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h @@ -1,7 +1,7 @@ /* * Freescale GPMI NAND Flash Driver * - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. + * Copyright (C) 2010-2016 Freescale Semiconductor, Inc. * Copyright (C) 2008 Embedded Alley Solutions, Inc. * * This program is free software; you can redistribute it and/or modify @@ -39,9 +39,9 @@ struct resources { * @page_size: The size, in bytes, of a physical page, including * both data and OOB. * @metadata_size: The size, in bytes, of the metadata. - * @ecc_chunk_size: The size, in bytes, of a single ECC chunk. Note - * the first chunk in the page includes both data and - * metadata, so it's a bit larger than this value. + * @ecc_chunk0_size: The size, in bytes, of a first ECC chunk. + * @ecc_chunkn_size: The size, in bytes, of a single ECC chunk after + * the first chunk in the page. * @ecc_chunk_count: The number of ECC chunks in the page, * @payload_size: The size, in bytes, of the payload buffer. * @auxiliary_size: The size, in bytes, of the auxiliary buffer. @@ -51,19 +51,23 @@ struct resources { * which the underlying physical block mark appears. * @block_mark_bit_offset: The bit offset into the ECC-based page view at * which the underlying physical block mark appears. + * @ecc_for_meta: The flag to indicate if there is a dedicate ecc + * for meta. */ struct bch_geometry { unsigned int gf_len; unsigned int ecc_strength; unsigned int page_size; unsigned int metadata_size; - unsigned int ecc_chunk_size; + unsigned int ecc_chunk0_size; + unsigned int ecc_chunkn_size; unsigned int ecc_chunk_count; unsigned int payload_size; unsigned int auxiliary_size; unsigned int auxiliary_status_offset; unsigned int block_mark_byte_offset; unsigned int block_mark_bit_offset; + unsigned int ecc_for_meta; /* ECC for meta data */ }; /** @@ -123,7 +127,12 @@ enum gpmi_type { IS_MX23, IS_MX28, IS_MX6Q, - IS_MX6SX + IS_MX6QP, + IS_MX6SX, + IS_MX7D, + IS_MX6UL, + IS_MX6ULL, + IS_MX8QXP, }; struct gpmi_devdata { @@ -189,6 +198,8 @@ struct gpmi_nand_data { dma_addr_t auxiliary_phys; void *raw_buffer; + /* legacy bch geometry flag */ + bool legacy_bch_geometry; /* DMA channels */ #define DMA_CHANS 8 @@ -275,10 +286,12 @@ extern int start_dma_with_bch_irq(struct gpmi_nand_data *, struct dma_async_tx_descriptor *); /* GPMI-NAND helper function library */ +extern int __gpmi_enable_clk(struct gpmi_nand_data *, bool v); extern int gpmi_init(struct gpmi_nand_data *); extern int gpmi_extra_init(struct gpmi_nand_data *); extern void gpmi_clear_bch(struct gpmi_nand_data *); extern void gpmi_dump_info(struct gpmi_nand_data *); +extern int bch_create_debugfs(struct gpmi_nand_data *); extern int bch_set_geometry(struct gpmi_nand_data *); extern int gpmi_is_ready(struct gpmi_nand_data *, unsigned chip); extern int gpmi_send_command(struct gpmi_nand_data *); @@ -304,7 +317,15 @@ void gpmi_copy_bits(u8 *dst, size_t dst_bit_off, #define GPMI_IS_MX23(x) ((x)->devdata->type == IS_MX23) #define GPMI_IS_MX28(x) ((x)->devdata->type == IS_MX28) #define GPMI_IS_MX6Q(x) ((x)->devdata->type == IS_MX6Q) +#define GPMI_IS_MX6QP(x) ((x)->devdata->type == IS_MX6QP) #define GPMI_IS_MX6SX(x) ((x)->devdata->type == IS_MX6SX) - -#define GPMI_IS_MX6(x) (GPMI_IS_MX6Q(x) || GPMI_IS_MX6SX(x)) +#define GPMI_IS_MX7D(x) ((x)->devdata->type == IS_MX7D) +#define GPMI_IS_MX6UL(x) ((x)->devdata->type == IS_MX6UL) +#define GPMI_IS_MX6ULL(x) ((x)->devdata->type == IS_MX6ULL) +#define GPMI_IS_MX8QXP(x) ((x)->devdata->type == IS_MX8QXP) + +#define GPMI_IS_MX6(x) (GPMI_IS_MX6Q(x) || GPMI_IS_MX6QP(x)\ + || GPMI_IS_MX6SX(x) || GPMI_IS_MX6UL(x) || GPMI_IS_MX6ULL(x)) +#define GPMI_IS_MX7(x) (GPMI_IS_MX7D(x)) +#define GPMI_IS_MX8(x) (GPMI_IS_MX8QXP(x)) #endif |