From 389e6fc77d7c306f280df1b03e74f86579d4b763 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Sun, 26 Apr 2009 00:25:38 +0000
Subject: spi update

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1739 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/configs/mx1ads/include/board.h | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

(limited to 'nuttx/configs/mx1ads/include/board.h')

diff --git a/nuttx/configs/mx1ads/include/board.h b/nuttx/configs/mx1ads/include/board.h
index 978017b15..30cf72e3a 100644
--- a/nuttx/configs/mx1ads/include/board.h
+++ b/nuttx/configs/mx1ads/include/board.h
@@ -110,8 +110,8 @@
 
 /* PDCR -- Controls peripheral clocks */
 
-#define IMX_PCLKDIV1 5
-#define IMX_PCLKDIV2 5
+#define IMX_PCLKDIV1 0
+#define IMX_PCLKDIV2 0
 #define IMX_PCLKDIV3 0
 
 #define IMX_PCDR_VALUE \
@@ -119,19 +119,21 @@
    (IMX_PCLKDIV2 << PLL_PCDR_PCLKDIV2_SHIFT) |\
    (IMX_PCLKDIV3 << PLL_PCDR_PCLKDIV3_SHIFT))
 
-/* IMX_PERCLK1_FREQ = IMX_SYSPLL_CLK_FREQ / IMX_PCLKDIV1 + 1 */
+/* PERCLK1: UART, Timers, PWM */
 
-#define IMX_PERCLK1_FREQ    16002651
+#define IMX_PERCLK1_FREQ  (IMX_SYSPLL_CLK_FREQ/(IMX_PCLKDIV1+1))
 
-/* IMX_PERCLK2_FREQ = IMX_SYSPLL_CLK_FREQ / IMX_PCLKDIV2 + 1 */
+/* PERCLK2: CSPI, LCD, SD */
 
-#define IMX_PERCLK2_FREQ    16002651
+#define IMX_PERCLK2_FREQ  (IMX_SYSPLL_CLK_FREQ/(IMX_PCLKDIV2+1))
 
-/* IMX_PERCLK2_FREQ = IMX_SYSPLL_CLK_FREQ / IMX_PCLKDIV4 + 1 */
+/* PERCLK3: SSI */
 
-#define IMX_PERCLK2_FREQ    96015910
+#define IMX_PERCLK3_FREQ  (IMX_SYSPLL_CLK_FREQ/(IMX_PCLKDIV3+1))
 
-/* CSCR settings -- Controls HCLK and BCLK and USB clock */
+/* CSCR settings -- Controls HCLK and BCLK and USB clock.
+ * HCLK: SDRAM, CSI, Memory Stick, I2C, DMA
+ */
 
 #define IMX_CSCR_BCLKDIV 1
 #define IMX_CSCR_USBDIV  6
-- 
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