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

Marek Vasut marek.vasut at gmail.com
Wed Nov 2 11:28:50 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

Thanks! I need better old-crap-linting tool now :)
> 
> [...]


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