1 files changed, 89 insertions, 0 deletions
diff --git a/roms/seabios/vgasrc/geodevga.h b/roms/seabios/vgasrc/geodevga.h
new file mode 100644
index 000000000..c99f54bb1
--- /dev/null
+++ b/roms/seabios/vgasrc/geodevga.h
@@ -0,0 +1,89 @@
+// Geode GX2/LX VGA functions
+//
+// Copyright (C) 2009 Chris Kindt
+//
+// Written for Google Summer of Code 2009 for the coreboot project
+//
+// This file may be distributed under the terms of the GNU LGPLv3 license.
+
+#ifndef  GEODEVGA_H
+#define  GEODEVGA_H
+
+#define VRC_INDEX                       0xAC1C  // Index register
+#define VRC_DATA                        0xAC1E  // Data register
+#define VR_UNLOCK                       0xFC53  // Virtual register unlock code
+
+// Graphics-specific registers:
+#define OEM_BAR0                        0x50
+#define OEM_BAR1                        0x54
+#define OEM_BAR2                        0x58
+#define OEM_BAR3                        0x5C
+
+#define DC_LOCK_LOCK                    0x00000000
+#define DC_LOCK_UNLOCK                  0x00004758
+
+/* LX MSRs */
+#define MSR_GLIU0                       (1 << 28)
+#define MSR_GLIU0_BASE4                 (MSR_GLIU0 + 0x23)  /* LX */
+#define GLIU0_P2D_BM_4                  (MSR_GLIU0 + 0x24)  /* GX2 */
+#define GLIU0_P2D_RO                    (MSR_GLIU0 + 0x29)
+#define GLIU0_IOD_BM_0                  (MSR_GLIU0 + 0xE0)
+#define GLIU0_IOD_BM_1                  (MSR_GLIU0 + 0xE1)
+#define DC_SPARE                        0x80000011
+#define VP_MSR_CONFIG_GX2               0xc0002001  /* GX2 */
+#define VP_MSR_CONFIG_LX                0x48002001  /* LX */
+#define VP_MSR_PADSEL                   0x48002011
+
+#define VP_MSR_PADSEL_TFT_SEL_LOW       0xDFFFFFFF
+#define VP_MSR_PADSEL_TFT_SEL_HIGH      0x0000003F
+
+/* VP_MSR_CONFIG bits */
+#define VP_MSR_CONFIG_FMT_CRT           (0)
+#define VP_MSR_CONFIG_FMT_FP            (1 << 3)
+#define VP_MSR_CONFIG_FPC               (1 << 15)
+#define VP_MSR_CONFIG_FMT               ((1 << 3) | (1 << 4) | (1 << 5))
+
+
+/* DC REG OFFSET */
+#define DC_UNLOCK                       0x0
+#define DC_GENERAL_CFG                  0x4
+#define DC_DISPLAY_CFG                  0x8
+#define DC_FB_ST_OFFSET                 0x10
+#define DC_CB_ST_OFFSET                 0x14
+#define DC_CURS_ST_OFFSET               0x18
+#define DC_GLIU0_MEM_OFFSET             0x84
+
+/* VP REG OFFSET */
+#define VP_VCFG                         0x0
+#define VP_DCFG                         0x8
+#define VP_MISC                         0x50
+
+/* FP REG OFFSET */
+#define FP_PT1                          0x00
+#define FP_PT2                          0x08
+#define FP_PM                           0x10
+
+
+/* DC bits */
+#define DC_GENERAL_CFG_VGAE             (1 << 7)
+#define DC_DISPLAY_CFG_GDEN             (1 << 3)
+#define DC_DISPLAY_CFG_TRUP             (1 << 6)
+
+/* VP bits */
+#define VP_DCFG_CRT_EN                  (1 << 0)
+#define VP_DCFG_HSYNC_EN                (1 << 1)
+#define VP_DCFG_VSYNC_EN                (1 << 2)
+#define VP_DCFG_DAC_BL_EN               (1 << 3)
+#define VP_DCFG_CRT_SKEW                (1 << 16)
+#define VP_DCFG_BYP_BOTH                (1 << 0)
+
+/* FP bits */
+#define FP_PM_P                         (1 << 24)       /* panel power ctl */
+#define FP_PT2_SCRC                     (1 << 27)       /* panel shift clock retrace activity ctl  */
+
+/* Mask */
+#define DC_CFG_MSK                      0xf000a6
+
+int geodevga_setup();
+
+#endif