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Diffstat (limited to 'firmware')
-rwxr-xr-xfirmware/drivers/lcd.S54
-rw-r--r--firmware/export/lcd.h1
2 files changed, 54 insertions, 1 deletions
diff --git a/firmware/drivers/lcd.S b/firmware/drivers/lcd.S
index 3ab993c1d0..c082637f3e 100755
--- a/firmware/drivers/lcd.S
+++ b/firmware/drivers/lcd.S
@@ -19,8 +19,9 @@
19 ****************************************************************************/ 19 ****************************************************************************/
20 20
21#include "config.h" 21#include "config.h"
22#include "sh7034.h" 22#include "cpu.h"
23 23
24#if CONFIG_CPU == SH7034
24#define LCDR (PBDR_ADDR+1) 25#define LCDR (PBDR_ADDR+1)
25 26
26#ifdef HAVE_LCD_CHARCELLS 27#ifdef HAVE_LCD_CHARCELLS
@@ -304,4 +305,55 @@ _lcd_write_data:
304 305
305.end: 306.end:
306 .size _lcd_write_command,.end-_lcd_write_command 307 .size _lcd_write_command,.end-_lcd_write_command
308#elif CONFIG_CPU == MCF5249
309 .section .icode,"ax",@progbits
310
311 .align 2
312 .global lcd_write_command
313 .type lcd_write_command,@function
314
315lcd_write_command:
316 move.l (4,%sp),%d0
317 lea MBAR2,%a1
318 move.l #~8,%d1
319 and.l %d1,(0xb4,%a1)
320 move.w %d0,0xf0000000
321 rts
322
323 .align 2
324 .global lcd_write_command_ex
325 .type lcd_write_command_ex,@function
307 326
327lcd_write_command_ex:
328 lea MBAR2,%a1
329
330 move.l (4,%sp),%d0 /* Command */
331
332 move.l #~8,%d1 /* Set A0 = 0 */
333 and.l %d1,(0xb4,%a1)
334 move.w %d0,0xf0000000 /* Write to LCD */
335
336 move.l (8,%sp),%d0 /* Data */
337
338 not.l %d1 /* Set A0 = 1 */
339 or.l %d1,(0xb4,%a1)
340 move.w %d0,0xf0000000 /* Write to LCD */
341 rts
342
343 .align 2
344 .global lcd_write_data
345 .type lcd_write_data,@function
346
347lcd_write_data:
348 move.l (4,%sp),%a0 /* Data pointer */
349 move.l (8,%sp),%d0 /* Length */
350 lea MBAR2,%a1
351 moveq #8,%d1
352 or.l %d1,(0xb4,%a1)
353.loop:
354 move.b (%a0)+,%d1
355 move.w %d1,0xf0000000
356 subq.l #1,%d0
357 bne .loop
358 rts
359#endif
diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h
index b78474719a..6809aaf4ae 100644
--- a/firmware/export/lcd.h
+++ b/firmware/export/lcd.h
@@ -44,6 +44,7 @@ extern void lcd_scroll_speed( int speed );
44extern void lcd_scroll_delay( int ms ); 44extern void lcd_scroll_delay( int ms );
45extern void lcd_set_contrast(int val); 45extern void lcd_set_contrast(int val);
46extern void lcd_write_command( int byte ); 46extern void lcd_write_command( int byte );
47extern void lcd_write_command_ex( int cmd, unsigned char data );
47extern void lcd_write_data( const unsigned char* p_bytes, int count ); 48extern void lcd_write_data( const unsigned char* p_bytes, int count );
48extern int lcd_default_contrast(void); 49extern int lcd_default_contrast(void);
49 50