Andrey Petrov (andrey.petrov@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13374
-gerrit
commit be2570c5e31d4c2f0ef8aa060cc8325d7512ee4b Author: Zhao, Lijian lijian.zhao@intel.com Date: Tue Dec 1 09:14:20 2015 -0800
soc/apollolake/acpi: Fill ACPI HPET table
HPET table is required to report integrated HPET timer to kernel. Without HPET table added,Linux kernel will panic when loading timer driver.
Change-Id: I7368bc29f4e03d5882dcfc4a770fa7bfbc6c26a0 Signed-off-by: Zhao, Lijian lijian.zhao@intel.com --- src/soc/intel/apollolake/acpi.c | 7 +++++++ src/soc/intel/apollolake/include/soc/acpi.h | 24 ++++++++++++++++++++++++ src/soc/intel/apollolake/lpc.c | 2 ++ 3 files changed, 33 insertions(+)
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c index d7249c2..b468745 100644 --- a/src/soc/intel/apollolake/acpi.c +++ b/src/soc/intel/apollolake/acpi.c @@ -20,3 +20,10 @@ unsigned long acpi_fill_madt(unsigned long current) { return 0; } + +unsigned long southbridge_write_acpi_tables(device_t device, + unsigned long current, + struct acpi_rsdp *rsdp) +{ + return acpi_write_hpet(device, current, rsdp); +} diff --git a/src/soc/intel/apollolake/include/soc/acpi.h b/src/soc/intel/apollolake/include/soc/acpi.h new file mode 100644 index 0000000..b57e083 --- /dev/null +++ b/src/soc/intel/apollolake/include/soc/acpi.h @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corp. + * (Written by Lance Zhao lijian.zhao@intel.com for Intel Corp.) + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _SOC_APOLLOLAKE_ACPI_H_ +#define _SOC_APOLLOLAKE_ACPI_H_ + +#include <arch/acpi.h> + +/* Zero value won't be programmed again in FADT table. */ +void soc_fill_common_fadt(acpi_fadt_t * fadt); + +unsigned long southbridge_write_acpi_tables(device_t device, + unsigned long current, struct acpi_rsdp *rsdp); + +#endif /* _SOC_APOLLOLAKE_ACPI_H_ */ diff --git a/src/soc/intel/apollolake/lpc.c b/src/soc/intel/apollolake/lpc.c index 06f1a85..c4aca69 100644 --- a/src/soc/intel/apollolake/lpc.c +++ b/src/soc/intel/apollolake/lpc.c @@ -13,6 +13,7 @@ #include <device/device.h> #include <device/pci.h> #include <device/pci_ids.h> +#include <soc/acpi.h>
static void soc_lpc_add_io_resources(device_t dev) { @@ -38,6 +39,7 @@ static struct device_operations device_ops = { .read_resources = &soc_lpc_read_resources, .set_resources = &pci_dev_set_resources, .enable_resources = &pci_dev_enable_resources, + .write_acpi_tables = southbridge_write_acpi_tables, };
static const struct pci_driver soc_lpc __pci_driver = {