diff options
| author | Marek Vasut <marex@denx.de> | 2012-08-21 16:17:28 +0000 | 
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:29 +0200 | 
| commit | 1d6d5f9674348e7ef0395c4bc873dc8d09a252ce (patch) | |
| tree | 36706da727eeb07c29ef43b0a950b58e446d40b8 | |
| parent | 2c4321444a3783fc0eccf133f682be06580e7e17 (diff) | |
| download | olio-uboot-2014.01-1d6d5f9674348e7ef0395c4bc873dc8d09a252ce.tar.xz olio-uboot-2014.01-1d6d5f9674348e7ef0395c4bc873dc8d09a252ce.zip | |
MX28: m28evk: Align SSP clock speed
Align the SSP clock speed with oscilator to achieve
higher transfer stability.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>
| -rw-r--r-- | board/denx/m28evk/m28evk.c | 4 | ||||
| -rw-r--r-- | include/configs/m28evk.h | 4 | 
2 files changed, 4 insertions, 4 deletions
| diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c index 9473d10d5..9d6db65f1 100644 --- a/board/denx/m28evk/m28evk.c +++ b/board/denx/m28evk/m28evk.c @@ -49,8 +49,8 @@ int board_early_init_f(void)  	/* SSP0 clock at 96MHz */  	mx28_set_sspclk(MXC_SSPCLK0, 96000, 0); -	/* SSP2 clock at 96MHz */ -	mx28_set_sspclk(MXC_SSPCLK2, 96000, 0); +	/* SSP2 clock at 160MHz */ +	mx28_set_sspclk(MXC_SSPCLK2, 160000, 0);  #ifdef	CONFIG_CMD_USB  	mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT); diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h index c26b720b9..560d5122a 100644 --- a/include/configs/m28evk.h +++ b/include/configs/m28evk.h @@ -253,11 +253,11 @@  #define	CONFIG_SPI_FLASH_STMICRO  #define	CONFIG_SF_DEFAULT_CS		2  #define	CONFIG_SF_DEFAULT_MODE		SPI_MODE_0 -#define	CONFIG_SF_DEFAULT_SPEED		24000000 +#define	CONFIG_SF_DEFAULT_SPEED		40000000  #define	CONFIG_ENV_SPI_CS		0  #define	CONFIG_ENV_SPI_BUS		2 -#define	CONFIG_ENV_SPI_MAX_HZ		24000000 +#define	CONFIG_ENV_SPI_MAX_HZ		40000000  #define	CONFIG_ENV_SPI_MODE		SPI_MODE_0  #endif  #endif |