Initial support for Nuttx on TI Calypso platform:

  Memory initialization
  Switch lights in ostest example

Now, nuttx.bin should build and run on your phone. No console output yet but
turns on backlight of compal E99 and off when ostest has finished.

2 files changed, 83 insertions, 1 deletions

diff --git a/nuttx/arch/arm/src/calypso/calypso_heap.c b/nuttx/arch/arm/src/calypso/calypso_heap.c
new file mode 100644
index 0000000000..d35a76f0d2
--- /dev/null
+++ b/nuttx/arch/arm/src/calypso/calypso_heap.c
@@ -0,0 +1,81 @@
+/****************************************************************************
+ * calypso_heap.c
+ * Initialize memory interfaces of Calypso MCU
+ *
+ *   Copyright (C) 2011 Stefan Richter <ichgeh@l--putt.de>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <arch/board/board.h>
+
+#include <arch/calypso/clock.h>
+#include <arch/calypso/timer.h>
+
+#include "up_arch.h"
+#include "up_internal.h"
+
+/****************************************************************************
+ * Name: up_addregion
+ *
+ * Description:
+ *   This function is called right after basics are initialized and right
+ *   before IRQ system setup.
+ *
+ ****************************************************************************/
+
+void up_addregion(void)
+{
+	/* Disable watchdog in first non-common function */
+	wdog_enable(0);
+  
+	// XXX: change to initialization of extern memory with save defaults
+	/* Configure memory interface */
+	calypso_mem_cfg(CALYPSO_nCS0, 3, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS1, 3, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS2, 5, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS3, 5, CALYPSO_MEM_16bit, 1);
+	calypso_mem_cfg(CALYPSO_CS4, 0, CALYPSO_MEM_8bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS6, 0, CALYPSO_MEM_32bit, 1);
+	calypso_mem_cfg(CALYPSO_nCS7, 0, CALYPSO_MEM_32bit, 0);
+
+	/* Set VTCXO_DIV2 = 1, configure PLL for 104 MHz and give ARM half of that */
+	calypso_clock_set(2, CALYPSO_PLL13_104_MHZ, ARM_MCLK_DIV_2);
+
+	/* Configure the RHEA bridge with some sane default values */
+	calypso_rhea_cfg(0, 0, 0xff, 0, 1, 0, 0);
+}
diff --git a/nuttx/arch/arm/src/common/up_internal.h b/nuttx/arch/arm/src/common/up_internal.h
index 803a6563db..21c34e2943 100644
--- a/nuttx/arch/arm/src/common/up_internal.h
+++ b/nuttx/arch/arm/src/common/up_internal.h
@@ -64,9 +64,10 @@
 #if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
 #  undef CONFIG_USE_SERIALDRIVER
 #  undef CONFIG_USE_EARLYSERIALINIT
+
 #elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
 #  define CONFIG_USE_SERIALDRIVER 1
-#  define CONFIG_USE_EARLYSERIALINIT 1
+#  undef CONFIG_USE_EARLYSERIALINIT
 #endif
 
 /* Check if an interrupt stack size is configured */