diff options
Diffstat (limited to 'src/northbridge/intel/common/gma_opregion.c')
| -rw-r--r-- | src/northbridge/intel/common/gma_opregion.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/northbridge/intel/common/gma_opregion.c b/src/northbridge/intel/common/gma_opregion.c deleted file mode 100644 index 43e7c16d3f..0000000000 --- a/src/northbridge/intel/common/gma_opregion.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2017 Patrick Rudolph <siro@das-labor.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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 <types.h> -#include <string.h> -#include <console/console.h> -#include <arch/acpi.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <drivers/intel/gma/intel_bios.h> -#include "gma_opregion.h" - -static void *get_intel_vbios(void) -{ - /* This should probably be looking at CBFS or we should always - * deploy the VBIOS on Intel systems, even if we don't run it - * in coreboot (e.g. SeaBIOS only scenarios). - */ - u8 *vbios = (u8 *)0xc0000; - - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios + - oprom->pcir_offset); - - printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n", - oprom->signature, pcir->vendor, pcir->classcode[0], - pcir->classcode[1], pcir->classcode[2]); - - - if ((oprom->signature == OPROM_SIGNATURE) && - (pcir->vendor == PCI_VENDOR_ID_INTEL) && - (pcir->classcode[0] == 0x00) && - (pcir->classcode[1] == 0x00) && - (pcir->classcode[2] == 0x03)) - return (void *)vbios; - - return NULL; -} - -static enum cb_err init_opregion_vbt(igd_opregion_t *opregion) -{ - void *vbios; - vbios = get_intel_vbios(); - if (!vbios) { - printk(BIOS_DEBUG, "VBIOS not found.\n"); - return CB_ERR; - } - - printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios); - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios + - oprom->vbt_offset); - - if (read32(vbt->hdr_signature) != VBT_SIGNATURE) { - printk(BIOS_DEBUG, "VBT not found!\n"); - return CB_ERR; - } - - memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4); - memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ? - vbt->hdr_vbt_size : 7168); - - return CB_SUCCESS; -} - -/* Initialize IGD OpRegion, called from ACPI code and OS drivers */ -enum cb_err init_igd_opregion(igd_opregion_t *opregion) -{ - enum cb_err ret; - - memset((void *)opregion, 0, sizeof(igd_opregion_t)); - - // FIXME if IGD is disabled, we should exit here. - - memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE, - sizeof(opregion->header.signature)); - - /* 8kb */ - opregion->header.size = sizeof(igd_opregion_t) / 1024; - opregion->header.version = IGD_OPREGION_VERSION; - - // FIXME We just assume we're mobile for now - opregion->header.mailboxes = MAILBOXES_MOBILE; - - // TODO Initialize Mailbox 1 - - // TODO Initialize Mailbox 3 - opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; - opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; - opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e - opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS; - opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000; - opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19; - opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433; - opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c; - opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866; - opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f; - opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99; - opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2; - opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc; - opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5; - opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff; - - ret = init_opregion_vbt(opregion); - if (ret != CB_SUCCESS) - return ret; - - /* Write ASLS PCI register and prepare SWSCI register. */ - intel_gma_opregion_register((uintptr_t)opregion); - - return CB_SUCCESS; -} |