some display testing (doesn't work by now!)

[my-code/arm.git] / betty / display.c

diff --git a/betty/display.c b/betty/display.c
index 210cd17..fad0804 100644 (file)
--- a/betty/display.c
+++ b/betty/display.c
@@ -11,9 +11,44 @@
  * functions
  */
 
+void display_clear_screen(void) {
+
+       u32 cnt;
+
+       DISPLAY_SET_PAGE_ADDR(0);
+       DISPLAY_SET_C_ADDR(0);
+
+       for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+               DISPLAY_DATA=0x00;
+}
+
 void display_init(void) {
 
+       /* configure the ext mem bank interface */
        BCFG1=0x00000c42;
+
+       DISPLAY_SOFT_RESET;
+
+       pause(0xffffff);
+
+       DISPLAY_START_OSCILLATOR;
+
+       DISPLAY_SET_POWER(DISPLAY_V_BOOST|DISPLAY_REGULATOR);
+
+       display_clear_screen();
+
+       DISPLAY_SET_ON;
+}
+
+void display_load_logo(u8 *src) {
+
+       u32 cnt;
+
+       DISPLAY_SET_PAGE_ADDR(0);
+       DISPLAY_SET_C_ADDR(0);
+
+       for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+               DISPLAY_DATA=src[cnt];
 }
 
 void display_bl_init(void) {