From 42c9324644bae179338238f933f5d0a776601d38 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 30 Nov 2010 01:55:22 +0000
Subject: [PATCH] Debuggin SPI-based MicroSD card

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3147 42af7a65-404d-4744-a932-0658087f49c3
---
 arch/arm/src/lpc17xx/lpc17_ssp.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/arch/arm/src/lpc17xx/lpc17_ssp.c b/arch/arm/src/lpc17xx/lpc17_ssp.c
index a148fe8c99..e0331f09ea 100755
--- a/arch/arm/src/lpc17xx/lpc17_ssp.c
+++ b/arch/arm/src/lpc17xx/lpc17_ssp.c
@@ -65,20 +65,21 @@
  * Definitions
  ****************************************************************************/
 
-/* Enables debug output from this file (needs CONFIG_DEBUG too) */
+/* The following enable debug output from this file (needs CONFIG_DEBUG too).
+ * 
+ * CONFIG_SSP_DEBUG - Define to enable basic SSP debug
+ * CONFIG_SSP_VERBOSE - Define to enable verbose SSP debug
+ */
 
-#undef SSP_DEBUG     /* Define to enable debug */
-#undef SSP_VERBOSE   /* Define to enable verbose debug */
-
-#ifdef SSP_DEBUG
+#ifdef CONFIG_SSP_DEBUG
 #  define sspdbg  lldbg
-#  ifdef SSP_VERBOSE
+#  ifdef CONFIG_SSP_VERBOSE
 #    define spivdbg lldbg
 #  else
 #    define spivdbg(x...)
 #  endif
 #else
-#  undef SSP_VERBOSE
+#  undef CONFIG_SSP_VERBOSE
 #  define sspdbg(x...)
 #  define spivdbg(x...)
 #endif
@@ -96,6 +97,10 @@
  * use the CCLK undivided to get the SSP_CLOCK.
  */
 
+#if LPC17_CCLK > 100000000
+#  error "CCLK <= 100,000,000 assumed"
+#endif
+
 #define SSP_PCLKSET_DIV    SYSCON_PCLKSEL_CCLK
 #define SSP_CLOCK          LPC17_CCLK