From 1d6d5f9674348e7ef0395c4bc873dc8d09a252ce Mon Sep 17 00:00:00 2001 From: Marek Vasut <marex@denx.de> Date: Tue, 21 Aug 2012 16:17:28 +0000 Subject: [PATCH] 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> --- board/denx/m28evk/m28evk.c | 4 ++-- 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 9473d10d56..9d6db65f1f 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 c26b720b9b..560d5122a0 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 -- 2.39.5