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| 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 | u-boot-imx-1d6d5f9674348e7ef0395c4bc873dc8d09a252ce.zip u-boot-imx-1d6d5f9674348e7ef0395c4bc873dc8d09a252ce.tar.gz u-boot-imx-1d6d5f9674348e7ef0395c4bc873dc8d09a252ce.tar.bz2 | |
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 9473d10..9d6db65 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 c26b720..560d512 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 |