[PATCH 02/14] ARM: i.MX: xload nand: Use common register defines

Marco Felsch m.felsch at pengutronix.de
Wed Nov 2 01:10:58 PDT 2022


Hi Sascha,

On 22-11-01, Sascha Hauer wrote:
> We have a set of GPMI register defines in include/, so use them for the
> xload driver as well.
> 
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  arch/arm/mach-imx/xload-gpmi-nand.c | 66 ++++++++---------------------
>  1 file changed, 17 insertions(+), 49 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/xload-gpmi-nand.c b/arch/arm/mach-imx/xload-gpmi-nand.c
> index 3a4f331ce6..6ac9af762f 100644
> --- a/arch/arm/mach-imx/xload-gpmi-nand.c
> +++ b/arch/arm/mach-imx/xload-gpmi-nand.c
> @@ -11,6 +11,7 @@
>  #include <mach/xload.h>
>  #include <soc/imx/imx-nand-bcb.h>
>  #include <linux/mtd/rawnand.h>
> +#include <soc/imx/gpmi-nand.h>
>  #include <mach/imx6-regs.h>
>  #include <mach/clock-imx6.h>

missing bitfield.h include.

Also should we say in the commit message that we are using the
FIELD_PREP now by this change?

Regards,
  Marco


>  
> @@ -203,39 +204,6 @@ static int mxs_dma_run(struct mxs_dma_chan *pchan, struct mxs_dma_cmd *pdesc,
>  
>  /* ----------------------------- NAND driver part -------------------------- */
>  
> -#define	GPMI_CTRL0					0x00000000
> -#define	GPMI_CTRL0_RUN					(1 << 29)
> -#define	GPMI_CTRL0_DEV_IRQ_EN				(1 << 28)
> -#define	GPMI_CTRL0_UDMA					(1 << 26)
> -#define	GPMI_CTRL0_COMMAND_MODE_MASK			(0x3 << 24)
> -#define	GPMI_CTRL0_COMMAND_MODE_OFFSET			24
> -#define	GPMI_CTRL0_COMMAND_MODE_WRITE			(0x0 << 24)
> -#define	GPMI_CTRL0_COMMAND_MODE_READ			(0x1 << 24)
> -#define	GPMI_CTRL0_COMMAND_MODE_READ_AND_COMPARE	(0x2 << 24)
> -#define	GPMI_CTRL0_COMMAND_MODE_WAIT_FOR_READY		(0x3 << 24)
> -#define	GPMI_CTRL0_WORD_LENGTH				(1 << 23)
> -#define	GPMI_CTRL0_CS(cs)				((cs) << 20)
> -#define	GPMI_CTRL0_ADDRESS_MASK				(0x7 << 17)
> -#define	GPMI_CTRL0_ADDRESS_OFFSET			17
> -#define	GPMI_CTRL0_ADDRESS_NAND_DATA			(0x0 << 17)
> -#define	GPMI_CTRL0_ADDRESS_NAND_CLE			(0x1 << 17)
> -#define	GPMI_CTRL0_ADDRESS_NAND_ALE			(0x2 << 17)
> -#define	GPMI_CTRL0_ADDRESS_INCREMENT			(1 << 16)
> -#define	GPMI_CTRL0_XFER_COUNT_MASK			0xffff
> -#define	GPMI_CTRL0_XFER_COUNT_OFFSET			0
> -
> -#define	GPMI_ECCCTRL_ECC_CMD_DECODE			(0x0 << 13)
> -#define	GPMI_ECCCTRL_ENABLE_ECC				(1 << 12)
> -#define	GPMI_ECCCTRL_BUFFER_MASK_BCH_PAGE		0x1ff
> -
> -#define	BCH_CTRL					0x00000000
> -#define	BCH_CTRL_COMPLETE_IRQ				(1 << 0)
> -
> -#define	MXS_NAND_DMA_DESCRIPTOR_COUNT			6
> -#define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE			512
> -#define	MXS_NAND_METADATA_SIZE				10
> -#define	MXS_NAND_COMMAND_BUFFER_SIZE			128
> -
>  struct mxs_nand_info {
>  	void __iomem *io_base;
>  	void __iomem *bch_base;
> @@ -352,7 +320,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -372,7 +340,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -386,7 +354,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WAIT_FOR_READY |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA;
>  
>  	if (raw) {
> @@ -398,7 +366,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  			DMACMD_COMMAND_DMA_WRITE;
>  		d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  			GPMI_CTRL0_WORD_LENGTH |
> -			GPMI_CTRL0_CS(info->cs) |
> +			FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  			GPMI_CTRL0_ADDRESS_NAND_DATA |
>  			(writesize + oobsize);
>  		d->address = (dma_addr_t)databuf;
> @@ -408,7 +376,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  		d->data = DMACMD_WAIT4END | DMACMD_PIO_WORDS(6);
>  		d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  			GPMI_CTRL0_WORD_LENGTH |
> -			GPMI_CTRL0_CS(info->cs) |
> +			FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  			GPMI_CTRL0_ADDRESS_NAND_DATA |
>  			(writesize + oobsize);
>  		d->pio_words[1] = 0;
> @@ -426,7 +394,7 @@ static int mxs_nand_read_page(struct mxs_nand_info *info, int writesize,
>  			DMACMD_PIO_WORDS(3);
>  		d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WAIT_FOR_READY |
>  			GPMI_CTRL0_WORD_LENGTH |
> -			GPMI_CTRL0_CS(info->cs) |
> +			FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  			GPMI_CTRL0_ADDRESS_NAND_DATA |
>  			(writesize + oobsize);
>  	}
> @@ -499,7 +467,7 @@ static int mxs_nand_get_read_status(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -512,7 +480,7 @@ static int mxs_nand_get_read_status(struct mxs_nand_info *info, void *databuf)
>  		DMACMD_COMMAND_DMA_WRITE;
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA |
>  		(1);
>  	d->address = (dma_addr_t)databuf;
> @@ -557,7 +525,7 @@ static int mxs_nand_reset(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -629,7 +597,7 @@ static int mxs_nand_get_onfi(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -643,7 +611,7 @@ static int mxs_nand_get_onfi(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WAIT_FOR_READY |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA;
>  
>  	/* Compile DMA descriptor - read. */
> @@ -654,7 +622,7 @@ static int mxs_nand_get_onfi(struct mxs_nand_info *info, void *databuf)
>  		DMACMD_COMMAND_DMA_WRITE;
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA |
>  		(sizeof(struct nand_onfi_params));
>  	d->address = (dma_addr_t)databuf;
> @@ -733,7 +701,7 @@ static int mxs_nand_check_onfi(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -746,7 +714,7 @@ static int mxs_nand_check_onfi(struct mxs_nand_info *info, void *databuf)
>  		DMACMD_COMMAND_DMA_WRITE;
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA |
>  		(sizeof(struct onfi_header));
>  	d->address = (dma_addr_t)databuf;
> @@ -811,7 +779,7 @@ static int mxs_nand_get_readid(struct mxs_nand_info *info, void *databuf)
>  
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_WRITE |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_CLE |
>  		GPMI_CTRL0_ADDRESS_INCREMENT |
>  		cmd_queue_len;
> @@ -824,7 +792,7 @@ static int mxs_nand_get_readid(struct mxs_nand_info *info, void *databuf)
>  		DMACMD_COMMAND_DMA_WRITE;
>  	d->pio_words[0] = GPMI_CTRL0_COMMAND_MODE_READ |
>  		GPMI_CTRL0_WORD_LENGTH |
> -		GPMI_CTRL0_CS(info->cs) |
> +		FIELD_PREP(GPMI_CTRL0_CS, info->cs) |
>  		GPMI_CTRL0_ADDRESS_NAND_DATA |
>  		(sizeof(struct readid_data));
>  	d->address = (dma_addr_t)databuf;
> -- 
> 2.30.2
> 
> 
> 



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