/* * This file is part of the coreboot project. * * Copyright (C) 2011 Advanced Micro Devices, Inc. * * 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 <console/console.h> #include <device/device.h> #include <device/pci.h> #include <arch/io.h> #include <cpu/x86/msr.h> #include <cpu/amd/mtrr.h> #include <southbridge/amd/common/amd_defs.h> #include <device/pci_def.h> u8 is_dev3_present(void); void set_pcie_dereset(void); void set_pcie_reset(void); void enable_int_gfx(void); /* GPIO6. */ void enable_int_gfx(void) { volatile u8 *gpio_reg; /* make sure the Acpi MMIO(fed80000) is accessible */ // FIXME: RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0); gpio_reg = (volatile u8 *)AMD_SB_ACPI_MMIO_ADDR + 0xD00; /* IoMux Register */ *(gpio_reg + 0x6) = 0x1; /* Int_vga_en */ *(gpio_reg + 170) = 0x1; /* gpio_gate */ gpio_reg = (volatile u8 *)AMD_SB_ACPI_MMIO_ADDR + 0x100; /* GPIO Registers */ *(gpio_reg + 0x6) = 0x8; *(gpio_reg + 170) = 0x0; } void set_pcie_dereset() { } void set_pcie_reset(void) { } u8 is_dev3_present(void) { return 1; } /************************************************* * enable the dedicated function in EAX-785E board. * This function called early than rs780_enable. *************************************************/ static void mainboard_enable(device_t dev) { printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); set_pcie_dereset(); enable_int_gfx(); } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, };