| /* |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #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 <device/pci_def.h> |
| #include "SBPLATFORM.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 */ |
| RWPMIO(SB_PMIOA_REG24, AccWidthUint8, ~(BIT0), BIT0); |
| |
| gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 0xD00; /* IoMux Register */ |
| |
| *(gpio_reg + 0x6) = 0x1; /* Int_vga_en */ |
| *(gpio_reg + 170) = 0x1; /* gpio_gate */ |
| |
| gpio_reg = (volatile u8 *)ACPI_MMIO_BASE + 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 0; |
| } |
| |
| |
| /************************************************* |
| * enable the dedicated function in A785E-I board. |
| * This function called early than rs780_enable. |
| *************************************************/ |
| static void mainboard_enable(device_t dev) |
| { |
| printk(BIOS_INFO, "Mainboard A785E-I Enable. dev=0x%p\n", dev); |
| |
| set_pcie_dereset(); |
| enable_int_gfx(); |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |