[U-Boot] [PATCH 1/2 V2] PXA: Add MMC driver using the generic MMC framework

Igor Grinberg grinberg at compulab.co.il
Wed Nov 2 09:48:33 CET 2011


On 11/02/11 00:58, Marek Vasut wrote:
> Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> ---
>  arch/arm/include/asm/arch-pxa/regs-mmc.h |  154 +++++++++++
>  drivers/mmc/Makefile                     |    1 +
>  drivers/mmc/pxa_mmc_gen.c                |  442 ++++++++++++++++++++++++++++++
>  3 files changed, 597 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/include/asm/arch-pxa/regs-mmc.h
>  create mode 100644 drivers/mmc/pxa_mmc_gen.c
> 
> V2: Squash CMD(x) and use #define[space]

[...]

> 
> diff --git a/arch/arm/include/asm/arch-pxa/regs-mmc.h b/arch/arm/include/asm/arch-pxa/regs-mmc.h
> new file mode 100644
> index 0000000..6b7dfd3
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-pxa/regs-mmc.h

[...]

> +
> +/* MMC_STRPCL */
> +#define MMC_STRPCL_STOP_CLK		(1 << 0)
> +#define MMC_STRPCL_START_CLK		(1 << 1)
> +
> +/* MMC_STAT */
> +#define MMC_STAT_END_CMD_RES		(1 << 13)
> +#define MMC_STAT_PRG_DONE		(1 << 12)
> +#define MMC_STAT_DATA_TRAN_DONE		(1 << 11)
> +#define MMC_STAT_CLK_EN			(1 << 8)
> +#define MMC_STAT_RECV_FIFO_FULL		(1 << 7)
> +#define MMC_STAT_XMIT_FIFO_EMPTY	(1 << 6)
> +#define MMC_STAT_RES_CRC_ERROR		(1 << 5)
> +#define MMC_STAT_SPI_READ_ERROR_TOKEN   (1 << 4)

You have 3 spaces here while all other lines use tab.

> +#define MMC_STAT_CRC_READ_ERROR		(1 << 3)
> +#define MMC_STAT_CRC_WRITE_ERROR	(1 << 2)
> +#define MMC_STAT_TIME_OUT_RESPONSE	(1 << 1)
> +#define MMC_STAT_READ_TIME_OUT		(1 << 0)
> +
> +/* MMC_CLKRT */
> +#define MMC_CLKRT_20MHZ			0
> +#define MMC_CLKRT_10MHZ			1
> +#define MMC_CLKRT_5MHZ			2
> +#define MMC_CLKRT_2_5MHZ		3
> +#define MMC_CLKRT_1_25MHZ		4
> +#define MMC_CLKRT_0_625MHZ		5
> +#define MMC_CLKRT_0_3125MHZ		6
> +
> +/* MMC_SPI */
> +#define MMC_SPI_EN			(1 << 0)
> +#define MMC_SPI_CS_EN			(1 << 2)
> +#define MMC_SPI_CS_ADDRESS		(1 << 3)
> +#define MMC_SPI_CRC_ON			(1 << 1)
> +
> +/* MMC_CMDAT */
> +#define MMC_CMDAT_SD_4DAT		(1 << 8)
> +#define MMC_CMDAT_MMC_DMA_EN		(1 << 7)
> +#define MMC_CMDAT_INIT			(1 << 6)
> +#define MMC_CMDAT_BUSY			(1 << 5)
> +#define MMC_CMDAT_BCR			(MMC_CMDAT_BUSY | MMC_CMDAT_INIT)
> +#define MMC_CMDAT_STREAM		(1 << 4)
> +#define MMC_CMDAT_WRITE			(1 << 3)
> +#define MMC_CMDAT_DATA_EN		(1 << 2)
> +#define MMC_CMDAT_R0			0
> +#define MMC_CMDAT_R1			1
> +#define MMC_CMDAT_R2			2
> +#define MMC_CMDAT_R3			3
> +
> +/* MMC_RESTO */
> +#define MMC_RES_TO_MAX_MASK		0x7f
> +
> +/* MMC_RDTO */
> +#define MMC_READ_TO_MAX_MASK		0xffff
> +
> +/* MMC_BLKLEN */
> +#define MMC_BLK_LEN_MAX_MASK		0x3ff
> +
> +/* MMC_PRTBUF */
> +#define MMC_PRTBUF_BUF_PART_FULL	(1 << 0)
> +
> +/* MMC_I_MASK */
> +#define MMC_I_MASK_TXFIFO_WR_REQ	(1 << 6)
> +#define MMC_I_MASK_RXFIFO_RD_REQ	(1 << 5)
> +#define MMC_I_MASK_CLK_IS_OFF		(1 << 4)
> +#define MMC_I_MASK_STOP_CMD		(1 << 3)
> +#define MMC_I_MASK_END_CMD_RES		(1 << 2)
> +#define MMC_I_MASK_PRG_DONE		(1 << 1)
> +#define MMC_I_MASK_DATA_TRAN_DONE       (1 << 0)

spaces instead before the parenthesis

[...]


-- 
Regards,
Igor.


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