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Initialize VGA from PCI configuration (Laurent Vivier)

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git-svn-id: svn://coreboot.org/openbios/openbios-devel@281 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Blue Swirl
2008-12-05 18:31:27 +00:00
parent ce3424579b
commit e338f06ba1
9 changed files with 34 additions and 67 deletions
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18
modules/console.c
View File

@@ -150,24 +150,10 @@ rec_char( int ch, int x, int y )
static void
scroll1( void )
{
osi_fb_info_t fb;
int i, x, offs, size, *dest, *src;
openbios_GetFBInfo( &fb );
int x;
offs = fb.rb * FONT_ADJ_HEIGHT;
size = (fb.h * fb.rb - offs)/16;
dest = (int*)fb.mphys;
src = (int*)(fb.mphys + offs);
video_scroll( FONT_ADJ_HEIGHT );
for( i=0; i<size; i++ ) {
dest[0] = src[0];
dest[1] = src[1];
dest[2] = src[2];
dest[3] = src[3];
dest += 4;
src += 4;
}
for( x=0; x<cons.w; x++ )
cons.buf[(cons.h-1)*cons.w + x] = 0;
draw_line(cons.h-1);

34
modules/video.c
View File

@@ -184,6 +184,25 @@ set_color( int ind, ulong color )
#endif
}
void
video_scroll( int height )
{
int i, offs, size, *dest, *src;
offs = video.fb.rb * height;
size = (video.fb.h * video.fb.rb - offs)/16;
dest = (int*)video.fb.mphys;
src = (int*)(video.fb.mphys + offs);
for( i=0; i<size; i++ ) {
dest[0] = src[0];
dest[1] = src[1];
dest[2] = src[2];
dest[3] = src[3];
dest += 4;
src += 4;
}
}
/************************************************************************/
/* OF methods */
@@ -280,15 +299,16 @@ NODE_METHODS( video ) = {
/************************************************************************/
void
init_video( void )
init_video( unsigned long fb, int width, int height, int depth, int rb )
{
int i, s, size;
phandle_t ph=0;
if( openbios_GetFBInfo(&video.fb) ) {
printk("init_video: No video display\n");
return;
}
video.fb.mphys = fb;
video.fb.w = width;
video.fb.h = height;
video.fb.depth = depth;
video.fb.rb = rb;
while( (ph=dt_iterate_type(ph, "display")) ) {
set_property( ph, "width", (char*)&video.fb.w, 4 );
set_property( ph, "height", (char*)&video.fb.h, 4 );
@@ -308,7 +328,7 @@ init_video( void )
ofmem_claim_virt( video.fb.mphys, size, 0 );
ofmem_map( video.fb.mphys, video.fb.mphys, size, -1 );
#endif
for( i=0; i<256; i++ )
set_color( i, i * 0x010101 );