From: Marek Vasut <marex@denx.de>
Date: Tue, 21 Aug 2012 16:17:28 +0000 (+0000)
Subject: MX28: m28evk: Align SSP clock speed
X-Git-Tag: v2025.01-rc5-pxa1908~17395
X-Git-Url: http://git.dujemihanovic.xyz/html/static/gitweb.css?a=commitdiff_plain;h=1d6d5f9674348e7ef0395c4bc873dc8d09a252ce;p=u-boot.git

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>
---

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