diff options
Diffstat (limited to 'src/northbridge/amd/gx2/grphinit.c')
-rw-r--r-- | src/northbridge/amd/gx2/grphinit.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/northbridge/amd/gx2/grphinit.c b/src/northbridge/amd/gx2/grphinit.c deleted file mode 100644 index 5f1c88e11a..0000000000 --- a/src/northbridge/amd/gx2/grphinit.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007 Advanced Micro Devices, Inc. - * Copyright (C) 2012 Nils Jacobs - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <arch/io.h> -#include <stdint.h> -#include <cpu/amd/vr.h> -#include <console/console.h> -#include <cpu/amd/gx2def.h> -#include <cpu/x86/msr.h> -#include <stdlib.h> - -void geodegx2_vga_msr_init(void); -void graphics_init(void); - -struct msrinit { - u32 msrnum; - msr_t msr; -}; - -static const struct msrinit geodegx2_vga_msr[] = { - /* Enable the GLIU Memory routing to the memory A0000-BFFFF - * PDID1 : Port 4, GLIU0 - * PBASE : 0x000A0 - * PMASK : 0xFFFE0 - */ - {.msrnum = GLIU0_P2D_BM_4, {.lo = 0x0a0fffe0, .hi = 0x80000000}}, -}; - -void geodegx2_vga_msr_init(void) -{ - int i; - for (i = 0; i < ARRAY_SIZE(geodegx2_vga_msr); i++) - wrmsr(geodegx2_vga_msr[i].msrnum, geodegx2_vga_msr[i].msr); -} - - -/* This function mirrors the Graphics_Init routine in GeodeROM. */ -void graphics_init(void) -{ - uint16_t wClassIndex, wData, res; - - /* SoftVG initialization */ - printk(BIOS_DEBUG, "Graphics init...\n"); - - geodegx2_vga_msr_init(); - - /* Call SoftVG with the main configuration parameters. */ - /* NOTE: SoftVG expects the memory size to be given in 512 KB blocks */ - - wClassIndex = (VRC_VG << 8) + VG_CONFIG; - - /* - * Graphics Driver Enabled (13) 0, NO (lets BIOS controls the GP) - * External Monochrome Card Support(12) 0, NO - * Controller Priority Select(11) 1, Primary - * Display Select(10:8) 0x0, CRT - * Graphics Memory Size(7:1) CONFIG_VIDEO_MB >> 1, - * defined in devicetree.cb - * PLL Reference Clock Bypass(0) 0, Default - */ - - /* Video RAM has to be given in 512KB chunks - * the value is read @ 7:1 (value in 7:0 looks like /2) - * so we can add the real value in megabytes - */ - - wData = VG_CFG_PRIORITY | VG_CFG_DSCRT | ((CONFIG_VIDEO_MB * 2) & VG_MEM_MASK); - vrWrite(wClassIndex, wData); - - res = vrRead(wClassIndex); - printk(BIOS_DEBUG, "VRC_VG value: 0x%04x\n", res); -} |