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qemu: Support textmode gfx init.

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Change-Id: I8b6b14b4fcf8df21d8bbf988d640b1efa013bd7f
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5283
Tested-by: build bot (Jenkins)
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Vladimir Serbinenko
2014-02-22 10:35:45 +01:00
parent 160e9a0224
commit db7d04d1b7
5 changed files with 24 additions and 0 deletions
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10
src/drivers/emulation/qemu/cirrus.c
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@@ -36,9 +36,11 @@
#include <pc80/vga.h>
#include <pc80/vga_io.h>
#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
static int width = CONFIG_DRIVERS_EMULATION_QEMU_BOCHS_XRES;
static int height = CONFIG_DRIVERS_EMULATION_QEMU_BOCHS_YRES;
static u32 addr = 0;
#endif
enum
{
@@ -197,6 +199,7 @@ enum
#define CIRRUS_SR_EXTENDED_MODE_32BPP 0x08
#define CIRRUS_HIDDEN_DAC_888COLOR 0xc5
#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
static void
write_hidden_dac (uint8_t data)
{
@@ -207,9 +210,11 @@ write_hidden_dac (uint8_t data)
inb (0x3c6);
outb (data, 0x3c6);
}
#endif
static void cirrus_init(device_t dev)
{
#if IS_ENABLED(CONFIG_FRAMEBUFFER_KEEP_VESA_MODE)
uint8_t cr_ext, cr_overlay;
unsigned pitch = (width * 4) / VGA_CR_PITCH_DIVISOR;
uint8_t sr_ext = 0, hidden_dac = 0;
@@ -335,6 +340,11 @@ static void cirrus_init(device_t dev)
edid.bytes_per_line = width * 4;
edid.bpp = 32;
set_vbe_mode_info_valid(&edid, addr);
#else
vga_misc_write(0x1);
vga_textmode_init();
#endif
}
static struct device_operations qemu_cirrus_graph_ops = {