sergiotarxz/nuttx
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Add M16C info

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1483 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-02-08 20:30:10 +00:00
parent be7f04f191
commit c5b4c3e2e5
2 changed files with 84 additions and 4 deletions
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43
configs/skp16c26/include/board.h
View File

@ -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
************************************************************************************/

45
configs/skp16c26/ostest/ld.script
View File

@ -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(.);