CVS: blob/src/diag lcd.c,1.3,1.4

[Stefan E. <se...@us...>]

Update of /cvsroot/blob/blob/src/diag
In directory usw-pr-cvs1:/tmp/cvs-serv12326

Modified Files:
	lcd.c 
Log Message:
- lcd_controller_enable() separated to _setup() and _enable()
- Debugging output
- bugfixes in test pattern code


Index: lcd.c
===================================================================
RCS file: /cvsroot/blob/blob/src/diag/lcd.c,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -d -r1.3 -r1.4
--- lcd.c	2001/10/09 19:24:54	1.3
+++ lcd.c	2001/10/15 15:02:40	1.4
@@ -47,6 +47,12 @@
 #define SET(reg,bit)	((reg) |= (1<<(bit)))
 #define CLR(reg,bit)	((reg) &= ~(1<<(bit)))
 
+#define LCD_DEBUG 1
+
+#define OUTHEX( val ) SerialOutputString( #val"=0x" ); \
+	SerialOutputHex( val ); \
+	SerialOutputByte( '\n' );
+
 /**********************************************************************
  * program globals
  */
@@ -56,6 +62,7 @@
  */
 
 u16 *lcd_palette = (u16*)(LCD_PALETTE_DMA_ADR);
+u32 *lcd_vram = (u32*)(LCD_VIDEORAM_START);
 
 /**********************************************************************
  * Prototypes
@@ -87,7 +94,7 @@
 	return 0;
 }
 
-int WEAK_SYM lcd_controller_enable( void )
+int WEAK_SYM lcd_controller_setup( void )
 {
 	lcd_palette[0] &= 0xcfff;
 	lcd_palette[0] |= 2<<16;	// 8 bpp
@@ -99,6 +106,11 @@
 	LCCR0 = LCD_LCCR0 & ~LCCR0_LEN;
 	DBAR1 = (u32 *)LCD_PALETTE_DMA_ADR;
 	DBAR2 = (u32 *)LCD_VIDEORAM_DMA_ADR;
+	return 0;
+}
+
+int WEAK_SYM lcd_controller_enable( void )
+{
 	LCCR0 |= LCCR0_LEN;
 	return 0;
 }
@@ -154,6 +166,24 @@
 	int x,y;
 	char c;
 
+#if LCD_DEBUG
+	OUTHEX( LCD_LCCR0 );
+	OUTHEX( LCD_LCCR1 );
+	OUTHEX( LCD_LCCR2 );
+	OUTHEX( LCD_LCCR3 );
+	OUTHEX( LCD_BPP );
+	OUTHEX( LCD_COLS );
+	OUTHEX( LCD_ROWS );
+	OUTHEX( LCD_PALETTE_ENTRIES );
+	OUTHEX( LCD_PALETTE_SIZE );
+	OUTHEX( LCD_RAM_BASE );
+	OUTHEX( LCD_VIDEORAM_SIZE );
+	OUTHEX( LCD_VIDEORAM_START );
+	OUTHEX( LCD_VIDEORAM_END );
+	OUTHEX( LCD_VIDEORAM_DMA_ADR );
+	OUTHEX( LCD_PALETTE_DMA_ADR );
+#endif
+
 	SerialOutputString( "LCD: power up ..." );
 	ret = lcd_power_up();
 	if ( ret != 0 )		return ret;
@@ -164,13 +194,16 @@
 	if ( ret != 0 )		return ret;
 	SerialOutputString( "done\n" );
 
+	SerialOutputString( "LCD: controller setup ..." );
+	ret = lcd_controller_setup();
+	if ( ret != 0 )		return ret;
+	SerialOutputString( "done\n" );
 
 	SerialOutputString( "LCD: palette setup ..." );
 	ret = lcd_palette_setup();
 	if ( ret != 0 )		return ret;
 	SerialOutputString( "done\n" );
 
-
 	SerialOutputString( "LCD: controller enable ..." );
 	ret = lcd_controller_enable();
 	if ( ret != 0 )		return ret;
@@ -186,9 +219,14 @@
 	SerialOutputString( "LCD: vertical lines test pattern ..." );
 	for ( y=0; y<LCD_ROWS; y++ ) {
 		for ( x=0; x<(LCD_COLS>>2); x++ ) {
-			MEM( LCD_VIDEORAM_START + (y*LCD_ROWS) + (x<<2) ) = 0xF0F0F0F0;
+			if ( x%2 == 0 ) {
+				lcd_vram[y*(LCD_COLS>>2) + x ] = 0xffffffff;
+			} else {
+				lcd_vram[y*(LCD_COLS>>2) + x ] = 0x00000000;
+			}
 		}
 	}
+
 	SerialOutputString( "done\n" );
 
 	SerialOutputString( "LCD: press any key to proceed\n" );