修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
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@@ -103,6 +103,14 @@
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 	u32 ctrl1n;
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 };
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+#define GPMI_MAX_TRANSFERS	8
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+
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+struct gpmi_transfer {
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+	u8 cmdbuf[8];
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+	struct scatterlist sgl;
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+	enum dma_data_direction direction;
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+};
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+
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 struct gpmi_nand_data {
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 	/* Devdata */
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 	const struct gpmi_devdata *devdata;
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@@ -126,24 +134,17 @@
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 	struct boot_rom_geometry rom_geometry;
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 	/* MTD / NAND */
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+	struct nand_controller	base;
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 	struct nand_chip	nand;
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-	/* General-use Variables */
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-	int			current_chip;
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-	unsigned int		command_length;
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+	struct gpmi_transfer	transfers[GPMI_MAX_TRANSFERS];
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+	int			ntransfers;
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-	struct scatterlist	cmd_sgl;
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-	char			*cmd_buffer;
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+	bool			bch;
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+	uint32_t		bch_flashlayout0;
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+	uint32_t		bch_flashlayout1;
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-	struct scatterlist	data_sgl;
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 	char			*data_buffer_dma;
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-
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-	void			*page_buffer_virt;
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-	dma_addr_t		page_buffer_phys;
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-	unsigned int		page_buffer_size;
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-
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-	void			*payload_virt;
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-	dma_addr_t		payload_phys;
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 	void			*auxiliary_virt;
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 	dma_addr_t		auxiliary_phys;
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@@ -154,44 +155,7 @@
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 #define DMA_CHANS		8
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 	struct dma_chan		*dma_chans[DMA_CHANS];
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 	struct completion	dma_done;
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-
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-	/* private */
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-	void			*private;
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 };
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-
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-/* Common Services */
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-int common_nfc_set_geometry(struct gpmi_nand_data *);
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-struct dma_chan *get_dma_chan(struct gpmi_nand_data *);
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-bool prepare_data_dma(struct gpmi_nand_data *, const void *buf, int len,
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-		      enum dma_data_direction dr);
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-int start_dma_without_bch_irq(struct gpmi_nand_data *,
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-			      struct dma_async_tx_descriptor *);
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-int start_dma_with_bch_irq(struct gpmi_nand_data *,
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-			   struct dma_async_tx_descriptor *);
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-
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-/* GPMI-NAND helper function library */
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-int gpmi_init(struct gpmi_nand_data *);
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-void gpmi_clear_bch(struct gpmi_nand_data *);
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-void gpmi_dump_info(struct gpmi_nand_data *);
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-int bch_set_geometry(struct gpmi_nand_data *);
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-int gpmi_is_ready(struct gpmi_nand_data *, unsigned chip);
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-int gpmi_send_command(struct gpmi_nand_data *);
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-int gpmi_enable_clk(struct gpmi_nand_data *this);
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-int gpmi_disable_clk(struct gpmi_nand_data *this);
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-int gpmi_setup_data_interface(struct mtd_info *mtd, int chipnr,
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-			      const struct nand_data_interface *conf);
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-void gpmi_nfc_apply_timings(struct gpmi_nand_data *this);
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-int gpmi_read_data(struct gpmi_nand_data *, void *buf, int len);
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-int gpmi_send_data(struct gpmi_nand_data *, const void *buf, int len);
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-
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-int gpmi_send_page(struct gpmi_nand_data *,
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-		   dma_addr_t payload, dma_addr_t auxiliary);
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-int gpmi_read_page(struct gpmi_nand_data *,
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-		   dma_addr_t payload, dma_addr_t auxiliary);
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-
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-void gpmi_copy_bits(u8 *dst, size_t dst_bit_off,
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-		    const u8 *src, size_t src_bit_off,
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-		    size_t nbits);
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 /* BCH : Status Block Completion Codes */
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 #define STATUS_GOOD		0x00
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@@ -207,4 +171,5 @@
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 #define GPMI_IS_MX6(x)		(GPMI_IS_MX6Q(x) || GPMI_IS_MX6SX(x) || \
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 				 GPMI_IS_MX7D(x))
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+#define GPMI_IS_MXS(x)		(GPMI_IS_MX23(x) || GPMI_IS_MX28(x))
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 #endif