[U-Boot] [PATCH 1/3] omap3_spi: Undo CONFIG_AM33XX D0/D1 change

[Peter Korsgaard]

>>>>> "Tom" == Tom Rini <trini at ti.com> writes:

 Tom> At some point the am335x evm hardware was updated to previosly
 Tom> used in all other designs layout, so remove the now incorrect
 Tom> code.

Could we please just put it under a different symbol,
E.G. CONFIG_OMAP3_SPI_SWAPPED? The board I'm working on uses the same
wiring as the old evm (E.G. transmit on D0 and receive on D1).


 Tom> Signed-off-by: Tom Rini <trini at ti.com>
 Tom> ---
 Tom>  drivers/spi/omap3_spi.c |   10 ----------
 Tom>  1 file changed, 10 deletions(-)

 Tom> diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c
 Tom> index e40a632..47f9e56 100644
 Tom> --- a/drivers/spi/omap3_spi.c
 Tom> +++ b/drivers/spi/omap3_spi.c
 Tom> @@ -173,18 +173,8 @@ int spi_claim_bus(struct spi_slave *slave)
 Tom>  	/* standard 4-wire master mode:	SCK, MOSI/out, MISO/in, nCS
 Tom>  	 * REVISIT: this controller could support SPI_3WIRE mode.
 Tom>  	 */
 Tom> -#ifdef CONFIG_AM33XX
 Tom> -	/*
 Tom> -	 * The reference design on AM33xx has D0 and D1 wired up opposite
 Tom> -	 * of how it has been done on previous platforms.  We assume that
 Tom> -	 * custom hardware will also follow this convention.
 Tom> -	 */
 Tom> -	conf &= OMAP3_MCSPI_CHCONF_DPE0;
 Tom> -	conf |= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1);

The inversion seems wrong. DPE0 should be cleared and IS|DPE1 set.


 Tom> -#else
 Tom>  	conf &= ~(OMAP3_MCSPI_CHCONF_IS|OMAP3_MCSPI_CHCONF_DPE1);
 Tom>  	conf |= OMAP3_MCSPI_CHCONF_DPE0;
 Tom> -#endif
 
 Tom>  	/* wordlength */
 Tom>  	conf &= ~OMAP3_MCSPI_CHCONF_WL_MASK;
 Tom> -- 
 Tom> 1.7.9.5

-- 
Bye, Peter Korsgaard