diff mbox

[U-Boot,4/5] MX28: m28evk: Align SSP clock speed

Message ID 1345601849-23474-4-git-send-email-marex@denx.de
State Accepted
Commit 1d6d5f9674348e7ef0395c4bc873dc8d09a252ce
Delegated to: Stefano Babic
Headers show

Commit Message

Marek Vasut Aug. 22, 2012, 2:17 a.m. UTC 
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 mbox

Patch

diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
index 74da3ea..255c139 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 b3ac316..2b16d69 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -255,11 +255,11 @@ 
 #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