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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>
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2 changed files with 4 additions and 4 deletions
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@ -49,8 +49,8 @@ int board_early_init_f(void)
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/* SSP0 clock at 96MHz */
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mx28_set_sspclk(MXC_SSPCLK0, 96000, 0);
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/* SSP2 clock at 96MHz */
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mx28_set_sspclk(MXC_SSPCLK2, 96000, 0);
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/* SSP2 clock at 160MHz */
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mx28_set_sspclk(MXC_SSPCLK2, 160000, 0);
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#ifdef CONFIG_CMD_USB
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mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT);
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@ -253,11 +253,11 @@
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#define CONFIG_SPI_FLASH_STMICRO
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#define CONFIG_SF_DEFAULT_CS 2
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#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
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#define CONFIG_SF_DEFAULT_SPEED 24000000
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#define CONFIG_SF_DEFAULT_SPEED 40000000
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#define CONFIG_ENV_SPI_CS 0
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#define CONFIG_ENV_SPI_BUS 2
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#define CONFIG_ENV_SPI_MAX_HZ 24000000
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#define CONFIG_ENV_SPI_MAX_HZ 40000000
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#define CONFIG_ENV_SPI_MODE SPI_MODE_0
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#endif
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#endif
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