diff options
Diffstat (limited to 'src/cpu/amd/pi/amd_late_init.c')
-rw-r--r-- | src/cpu/amd/pi/amd_late_init.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/cpu/amd/pi/amd_late_init.c b/src/cpu/amd/pi/amd_late_init.c new file mode 100644 index 0000000000..efb1667d8c --- /dev/null +++ b/src/cpu/amd/pi/amd_late_init.c @@ -0,0 +1,60 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 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 <arch/acpi.h> +#include <bootstate.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pci_def.h> +#include <device/pci_ops.h> + +#include <agesawrapper.h> +#include <northbridge/amd/pi/agesawrapper_call.h> + +static void agesawrapper_post_device(void *unused) +{ + if (acpi_is_wakeup_s3()) + return; + + AGESAWRAPPER(amdinitlate); + +#if (1) /* NORTHBRIDGE_00730F01 */ + device_t dev; + u32 value; + dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */ + pci_write_config32(dev, 0xF8, 0); + pci_write_config32(dev, 0xFC, 5); /* TODO: move it to dsdt.asl */ + + /* disable No Snoop */ + dev = dev_find_slot(0, PCI_DEVFN(1, 1)); + value = pci_read_config32(dev, 0x60); + value &= ~(1 << 11); + pci_write_config32(dev, 0x60, value); +#endif + + if (!acpi_s3_resume_allowed()) + return; + + AGESAWRAPPER(amdS3Save); +} + +BOOT_STATE_INIT_ENTRIES(agesa_bscb) = { + BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT, + agesawrapper_post_device, NULL), +}; |