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VGA for Sparc64

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Added 8x16 font, low-level VGA register programming and mode switching
functions from LinuxBIOS.

Fixed incorrect VGA_BASE.



git-svn-id: svn://coreboot.org/openbios/openbios-devel@69 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Stefan Reinauer
2006-07-18 21:48:00 +00:00
parent e492087dbe
commit 7c2a631397
9 changed files with 5526 additions and 3 deletions
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18
arch/sparc64/console.c
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@@ -8,6 +8,7 @@
#include "openbios/config.h"
#include "openbios/kernel.h"
#include "openbios.h"
#include "video_subr.h"
#ifdef CONFIG_DEBUG_CONSOLE
@@ -122,7 +123,8 @@ static void serial_cls(void)
#define ATTRIBUTE 7 /* The attribute of an character. */
#define APB_MEM_BASE 0x1ff00000000ULL
#define VGA_BASE (APB_MEM_BASE + 0x4b8000ULL) /* The video memory address. */
#define VGA_BASE (APB_MEM_BASE + 0x4a0000ULL) /* Beginning of video memory address. */
#define TEXT_BASE (VGA_BASE + 0x18000ULL) /* The text memory address. */
/* VGA Index and Data Registers */
#define VGA_REG_INDEX 0x03D4 /* VGA index register */
@@ -137,7 +139,7 @@ static void serial_cls(void)
/* Save the X and Y position. */
static int xpos, ypos;
/* Point to the video memory. */
static volatile unsigned char *video = (unsigned char *) VGA_BASE;
static unsigned char *video = (unsigned char *) TEXT_BASE;
static void video_initcursor(void)
{
@@ -236,9 +238,19 @@ static void video_cls(void)
video_poscursor(xpos, ypos);
}
#ifdef CONFIG_DRIVER_VGA
#include "../../modules/font_8x16.c"
#endif
void video_init(void)
{
video=(unsigned char *)VGA_BASE;
video=(unsigned char *)TEXT_BASE;
#ifdef CONFIG_DRIVER_VGA
vga_load_regs();
vga_font_load((unsigned char *)VGA_BASE, fontdata_8x16, 16, 256);
vga_set_amode();
#endif
}
/*