From 15184e081acf576d6e9f1125df92001b2c5b7a02 Mon Sep 17 00:00:00 2001 From: Felix Durairaj Date: Mon, 23 Nov 2015 14:07:40 -0800 Subject: [PATCH] soc/braswell: Add method for Wifi regulatory domain Get the WRDD domain code from VPD and put it in global nvs. WRDD method in wifi.asl returns this value from global nvs. This wifi.asl should be included in dsdt.asl under the root port where wifi module resides. Original-Reviewed-on: https://chromium-review.googlesource.com/314373 Original-Reviewed-by: Aaron Durbin Original-Reviewed-by: Pratikkumar V Prajapati Original-Commit-Queue: Hannah Williams Change-Id: I809d28f10e80681471a785e604df102fb943a983 Signed-off-by: fdurairx Signed-off-by: Hannah Williams Reviewed-on: https://review.coreboot.org/12745 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/soc/intel/braswell/acpi.c | 8 +++++ src/soc/intel/braswell/acpi/globalnvs.asl | 1 + src/soc/intel/braswell/include/soc/nvs.h | 2 +- src/soc/intel/common/acpi/wifi.asl | 42 +++++++++++++++++++++++ 4 files changed, 52 insertions(+), 1 deletion(-) create mode 100644 src/soc/intel/common/acpi/wifi.asl diff --git a/src/soc/intel/braswell/acpi.c b/src/soc/intel/braswell/acpi.c index f7c37481d8..0e866a5857 100644 --- a/src/soc/intel/braswell/acpi.c +++ b/src/soc/intel/braswell/acpi.c @@ -44,6 +44,7 @@ #include #include #include +#include #define MWAIT_RES(state, sub_state) \ { \ @@ -523,6 +524,13 @@ void southcluster_inject_dsdt(device_t device) if (gnvs) { acpi_create_gnvs(gnvs); + /* Fill in the Wifi Region id */ + if (IS_ENABLED(CONFIG_HAVE_REGULATORY_DOMAIN)) { + gnvs->cid1 = wifi_regulatory_domain(); + } else { + + gnvs->cid1 = WRDD_DEFAULT_REGULATORY_DOMAIN; + } acpi_save_gnvs((unsigned long)gnvs); /* And tell SMI about it */ smm_setup_structures(gnvs, NULL, NULL); diff --git a/src/soc/intel/braswell/acpi/globalnvs.asl b/src/soc/intel/braswell/acpi/globalnvs.asl index 54ebb2c285..e7fb2ce255 100644 --- a/src/soc/intel/braswell/acpi/globalnvs.asl +++ b/src/soc/intel/braswell/acpi/globalnvs.asl @@ -51,6 +51,7 @@ Field (GNVS, ByteAcc, NoLock, Preserve) PM1I, 32, /* 0x15 - System Wake Source - PM1 Index */ GPEI, 32, /* 0x19 - GPE Wake Source */ BDID, 8, /* 0x1d - Board ID */ + CID1, 16, /* 0x1A - Wifi Domain Type */ /* Device Config */ Offset (0x20), diff --git a/src/soc/intel/braswell/include/soc/nvs.h b/src/soc/intel/braswell/include/soc/nvs.h index aafaef5a93..d3dfd28320 100644 --- a/src/soc/intel/braswell/include/soc/nvs.h +++ b/src/soc/intel/braswell/include/soc/nvs.h @@ -44,7 +44,7 @@ typedef struct { u32 pm1i; /* 0x15 - System Wake Source - PM1 Index */ u32 gpei; /* 0x19 - GPE Wake Source */ u8 bdid; /* 0x1d - Board ID */ - u8 rsvd1[2]; + u16 cid1; /* 0x1a - Wifi Country Identifier */ /* Device Config */ u8 s5u0; /* 0x20 - Enable USB0 in S5 */ diff --git a/src/soc/intel/common/acpi/wifi.asl b/src/soc/intel/common/acpi/wifi.asl new file mode 100644 index 0000000000..e7537a1a95 --- /dev/null +++ b/src/soc/intel/common/acpi/wifi.asl @@ -0,0 +1,42 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011 Google Inc. + * Copyright (C) 2015 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; 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. + */ + +Device (WIFI) +{ + Name (_ADR, Zero) + OperationRegion(WIXX, PCI_Config, 0x00, 0x10) + Name (WRDX, Package() + { + // Revision + 0, + Package() + { + // DomainType, 0x7:WiFi + 0x00000007, + // Default Regulatory Domain Country identifier + 0x4150, + } + }) + Method(WRDD,0,Serialized) + { + Store(\CID1,Index (DeRefOf (Index (WRDX, 1)), 1)) // Country identifier + + Return(WRDX) + } + +} +