Add M16C info

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1483 7fd9a85b-ad96-42d3-883c-3090e2eb8679

2 files changed, 84 insertions, 4 deletions

diff --git a/nuttx/configs/skp16c26/include/board.h b/nuttx/configs/skp16c26/include/board.h
index de04e1e194..5f694f5dee 100644
--- a/nuttx/configs/skp16c26/include/board.h
+++ b/nuttx/configs/skp16c26/include/board.h
@@ -44,11 +44,54 @@
 #ifndef __ASSEMBLY__
 # include <sys/types.h>
 #endif
+#include "sfr262.h"  		/* M16C/26 special function register definitions */
+#include "skp_lcd.h"  		/* SKP LCD function definitions */
 
 /************************************************************************************
  * Definitions
  ************************************************************************************/
 
+/* Xin Freq */
+
+#define	XIN_FREQ	20e6	/* 20MHz */
+
+/* Switches */
+
+#define	S1 		p8_3 
+#define S2 		p8_2 
+#define S3 		p8_1 
+#define S1_DDR		pd8_3
+#define S2_DDR		pd8_2
+#define S3_DDR		pd8_1
+
+/* LEDs */
+#define	RED_LED		p8_0
+#define	YLW_LED		p7_4
+#define	GRN_LED		p7_2
+
+#define	RED_DDR 	pd8_0		// LED port direction register
+#define	YLW_DDR 	pd7_4
+#define	GRN_DDR 	pd7_2
+
+/********************************************************************************/
+/* Macro Definitions 															*/
+/********************************************************************************/
+
+#define LED_ON      	0
+#define LED_OFF     	1
+
+#define ENABLE_IRQ   	{_asm(" FSET I");}
+#define DISABLE_IRQ		{_asm(" FCLR I");}
+
+/* Use these macros for switch inputs */
+
+#define ENABLE_SWITCHES {S1_DDR = 0; S2_DDR = 0; S3_DDR = 0;}
+
+/* Use these macros to control the LEDs */
+
+#define LED(led, state) ((led) = !state)
+#define ENABLE_LEDS {RED_LED = LED_OFF; YLW_LED = LED_OFF; GRN_LED = LED_OFF; RED_DDR = 1; YLW_DDR = 1; GRN_DDR = 1; }
+
 /************************************************************************************
  * Inline Functions
  ************************************************************************************/
diff --git a/nuttx/configs/skp16c26/ostest/ld.script b/nuttx/configs/skp16c26/ostest/ld.script
index 63cfeccdbe..6474929170 100644
--- a/nuttx/configs/skp16c26/ostest/ld.script
+++ b/nuttx/configs/skp16c26/ostest/ld.script
@@ -37,9 +37,12 @@ OUTPUT_ARCH(m32c)
 ENTRY(_stext)
 SECTIONS
 {
-	/* The OS entry point is here */
+	/* Flash memory begins at address 0xf0000 for the M20262F8 part and
+	 * ends at address 0xfffff (all parts).  The program entry point is
+	 * the first address in flash
+	 */
 
-	. = 0x00008000;
+	. = 0xf0000;
 	.text : {
 		_stext = ABSOLUTE(.);
 		*(.text)
@@ -52,8 +55,42 @@ SECTIONS
 		_etext = ABSOLUTE(.);
 	}
 
-	_eronly = ABSOLUTE(.);		/* See below                    */
-	. = ALIGN(4096);
+	_eronly = ABSOLUTE(.);		/* End of read-only values      */
+					/* .data will be relocated from */
+					/* this address                 */
+
+	/* The "variable" vector table will be fixed at the following address */
+
+	. = 0xffd00
+	.varvect : {
+		_svarvect = ABSOLUTE(.);
+		*(.varvect)
+		_evarvect = ABSOLUTE(.);
+	}
+
+	/* Followed by the special page/fixed vector table. */
+
+	. = 0xffe00
+	.specpg : {
+		_sspecpg = ABSOLUTE(.);
+		*(.specpg)
+		_especpg = ABSOLUTE(.);
+	}
+
+	. = 0xfffdc
+	.fixvect : {
+		_sfixvect = ABSOLUTE(.);
+		*(.fixvect)
+		_efixvect = ABSOLUTE(.);
+	}
+
+	/* Internal RAM begins at address 0x00400 (all parts) and ends at
+	 * address 0x00bff (M20262F6 and M20262F8 parts).  With the RAM
+	 * region, used is .data followed by .bss.  The remainder of RAM
+	 * carved up by the start-up code into stacks and heaps.
+	 */
+
+	. = 0x00400;
 
 	.data : {
 		_sdata = ABSOLUTE(.);