From patchwork Thu Jul 30 10:51:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Kondratiev X-Patchwork-Id: 6901431 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6E472C05AC for ; Thu, 30 Jul 2015 10:54:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 39FA720574 for ; Thu, 30 Jul 2015 10:54:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D55B2057F for ; Thu, 30 Jul 2015 10:54:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755502AbbG3Kyr (ORCPT ); Thu, 30 Jul 2015 06:54:47 -0400 Received: from sabertooth02.qualcomm.com ([65.197.215.38]:36497 "EHLO sabertooth02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754873AbbG3Kym (ORCPT ); Thu, 30 Jul 2015 06:54:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1438253682; x=1469789682; h=from:cc:to:subject:date:message-id:in-reply-to: references; bh=f27T4uObE1SMQ3rEjSig6cUru18hTIo9qzpEVBOuPrI=; b=w2/zLOfHocQf1nXJGwI7xNMGTsOMt+myXByJCXlsj9RCK1XKW7jFVVZq 92UVd7aKXC0jya1qAl5GeLxqRlSCJ2w+rO4MZvQvqB3Yq/vUNfu3/pRWC vAUb7SB/gxapDBvANM2/YYdvy73KsvPoYpmNDDrn/4pMngAQ3AZFR1Ogd Y=; X-IronPort-AV: E=McAfee;i="5700,7163,7877"; a="94860438" Received: from ironmsg02-r.qualcomm.com ([172.30.46.16]) by sabertooth02.qualcomm.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 30 Jul 2015 03:54:41 -0700 From: Vladimir Kondratiev Cc: Vladimir Kondratiev , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com X-IronPort-AV: E=Sophos;i="5.15,576,1432623600"; d="scan'208";a="523804974" Received: from lx-wigig-72.mea.qualcomm.com ([10.18.134.58]) by ironmsg02-R.qualcomm.com with ESMTP; 30 Jul 2015 03:52:13 -0700 To: Kalle Valo Subject: [PATCH v3 01/19] wil6210: support boot loader struct v0 & v1 Date: Thu, 30 Jul 2015 13:51:49 +0300 Message-Id: <1438253527-3372-2-git-send-email-qca_vkondrat@qca.qualcomm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1438253527-3372-1-git-send-email-qca_vkondrat@qca.qualcomm.com> References: <1438253527-3372-1-git-send-email-qca_vkondrat@qca.qualcomm.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There are 2 versions of boot loader struct: v0 and v1. In the v1, boot loader build version added; as well as RF status. Support both versions. Boot loader structure v1 has RF status; ignore RF error if firmware not going to be loaded; driver can still be used to interact with the HW Signed-off-by: Vladimir Kondratiev --- drivers/net/wireless/ath/wil6210/boot_loader.h | 56 +++++++++++++++++ drivers/net/wireless/ath/wil6210/main.c | 85 ++++++++++++++++++++------ drivers/net/wireless/ath/wil6210/wil6210.h | 10 --- 3 files changed, 124 insertions(+), 27 deletions(-) create mode 100644 drivers/net/wireless/ath/wil6210/boot_loader.h diff --git a/drivers/net/wireless/ath/wil6210/boot_loader.h b/drivers/net/wireless/ath/wil6210/boot_loader.h new file mode 100644 index 0000000..1b4fd40 --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/boot_loader.h @@ -0,0 +1,56 @@ +/* Copyright (c) 2015 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* This file contains the definitions for the boot loader + * for the Qualcomm "Sparrow" 60 Gigabit wireless solution. + */ +#ifndef BOOT_LOADER_EXPORT_H_ +#define BOOT_LOADER_EXPORT_H_ + +struct bl_dedicated_registers_v1 { + __le32 boot_loader_ready; /* 0x880A3C driver will poll + * this Dword until BL will + * set it to 1 (initial value + * should be 0) + */ + __le32 boot_loader_struct_version; /* 0x880A40 BL struct ver. */ + __le16 rf_type; /* 0x880A44 connected RF ID */ + __le16 rf_status; /* 0x880A46 RF status, + * 0 is OK else error + */ + __le32 baseband_type; /* 0x880A48 board type ID */ + u8 mac_address[6]; /* 0x880A4c BL mac address */ + u8 bl_version_major; /* 0x880A52 BL ver. major */ + u8 bl_version_minor; /* 0x880A53 BL ver. minor */ + __le16 bl_version_subminor; /* 0x880A54 BL ver. subminor */ + __le16 bl_version_build; /* 0x880A56 BL ver. build */ +} __packed; + +/* the following struct is the version 0 struct */ + +struct bl_dedicated_registers_v0 { + __le32 boot_loader_ready; /* 0x880A3C driver will poll + * this Dword until BL will + * set it to 1 (initial value + * should be 0) + */ +#define BL_READY (1) /* ready indication */ + __le32 boot_loader_struct_version; /* 0x880A40 BL struct ver. */ + __le32 rf_type; /* 0x880A44 connected RF ID */ + __le32 baseband_type; /* 0x880A48 board type ID */ + u8 mac_address[6]; /* 0x880A4c BL mac address */ +} __packed; + +#endif /* BOOT_LOADER_EXPORT_H_ */ diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 6ca6193..ae0df35 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -21,6 +21,7 @@ #include "wil6210.h" #include "txrx.h" #include "wmi.h" +#include "boot_loader.h" #define WAIT_FOR_DISCONNECT_TIMEOUT_MS 2000 #define WAIT_FOR_DISCONNECT_INTERVAL_MS 10 @@ -565,7 +566,8 @@ static int wil_target_reset(struct wil6210_priv *wil) wil_halt_cpu(wil); /* clear all boot loader "ready" bits */ - W(RGF_USER_BL + offsetof(struct RGF_BL, ready), 0); + W(RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v0, boot_loader_ready), 0); /* Clear Fw Download notification */ C(RGF_USER_USAGE_6, BIT(0)); @@ -607,7 +609,8 @@ static int wil_target_reset(struct wil6210_priv *wil) /* wait until device ready. typical time is 20..80 msec */ do { msleep(RST_DELAY); - x = R(RGF_USER_BL + offsetof(struct RGF_BL, ready)); + x = R(RGF_USER_BL + offsetof(struct bl_dedicated_registers_v0, + boot_loader_ready)); if (x1 != x) { wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", x1, x); x1 = x; @@ -617,7 +620,7 @@ static int wil_target_reset(struct wil6210_priv *wil) x); return -ETIME; } - } while (x != BIT_BL_READY); + } while (x != BL_READY); C(RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); @@ -641,25 +644,71 @@ void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) static int wil_get_bl_info(struct wil6210_priv *wil) { struct net_device *ndev = wil_to_ndev(wil); - struct RGF_BL bl; - - wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), sizeof(bl)); - le32_to_cpus(&bl.ready); - le32_to_cpus(&bl.version); - le32_to_cpus(&bl.rf_type); - le32_to_cpus(&bl.baseband_type); + union { + struct bl_dedicated_registers_v0 bl0; + struct bl_dedicated_registers_v1 bl1; + } bl; + u32 bl_ver; + u8 *mac; + u16 rf_status; + + bl_ver = R(RGF_USER_BL + offsetof(struct bl_dedicated_registers_v0, + boot_loader_struct_version)); + switch (bl_ver) { + case 0: + wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), + sizeof(bl.bl0)); + le32_to_cpus(&bl.bl0.boot_loader_ready); + le32_to_cpus(&bl.bl0.boot_loader_struct_version); + le32_to_cpus(&bl.bl0.rf_type); + le32_to_cpus(&bl.bl0.baseband_type); + mac = bl.bl0.mac_address; + rf_status = 0; /* actually, unknown */ + wil_info(wil, + "Boot Loader struct v%d: MAC = %pM RF = 0x%08x bband = 0x%08x\n", + bl_ver, mac, + bl.bl0.rf_type, bl.bl0.baseband_type); + wil_info(wil, "Boot Loader build unknown for struct v0\n"); + break; + case 1: + wil_memcpy_fromio_32(&bl, wil->csr + HOSTADDR(RGF_USER_BL), + sizeof(bl.bl1)); + le32_to_cpus(&bl.bl1.boot_loader_ready); + le32_to_cpus(&bl.bl1.boot_loader_struct_version); + le16_to_cpus(&bl.bl1.rf_type); + rf_status = le16_to_cpu(bl.bl1.rf_status); + le32_to_cpus(&bl.bl1.baseband_type); + le16_to_cpus(&bl.bl1.bl_version_subminor); + le16_to_cpus(&bl.bl1.bl_version_build); + mac = bl.bl1.mac_address; + wil_info(wil, + "Boot Loader struct v%d: MAC = %pM RF = 0x%04x (status 0x%04x) bband = 0x%08x\n", + bl_ver, mac, + bl.bl1.rf_type, rf_status, + bl.bl1.baseband_type); + wil_info(wil, "Boot Loader build %d.%d.%d.%d\n", + bl.bl1.bl_version_major, bl.bl1.bl_version_minor, + bl.bl1.bl_version_subminor, bl.bl1.bl_version_build); + break; + default: + wil_err(wil, "BL: unsupported struct version 0x%08x\n", bl_ver); + return -EINVAL; + } - if (!is_valid_ether_addr(bl.mac_address)) { - wil_err(wil, "BL: Invalid MAC %pM\n", bl.mac_address); + if (!is_valid_ether_addr(mac)) { + wil_err(wil, "BL: Invalid MAC %pM\n", mac); return -EINVAL; } - ether_addr_copy(ndev->perm_addr, bl.mac_address); + ether_addr_copy(ndev->perm_addr, mac); if (!is_valid_ether_addr(ndev->dev_addr)) - ether_addr_copy(ndev->dev_addr, bl.mac_address); - wil_info(wil, - "Boot Loader: ver = %d MAC = %pM RF = 0x%08x bband = 0x%08x\n", - bl.version, bl.mac_address, bl.rf_type, bl.baseband_type); + ether_addr_copy(ndev->dev_addr, mac); + + if (rf_status) {/* bad RF cable? */ + wil_err(wil, "RF communication error 0x%04x", + rf_status); + return -EAGAIN; + } return 0; } @@ -735,6 +784,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) return rc; rc = wil_get_bl_info(wil); + if (rc == -EAGAIN && !load_fw) /* ignore RF error if not going up */ + rc = 0; if (rc) return rc; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index c63e4a3..b79ba49 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -127,16 +127,6 @@ struct RGF_ICR { u32 IMC; /* Mask Clear, write 1 to clear */ } __packed; -struct RGF_BL { - u32 ready; /* 0x880A3C bit [0] */ -#define BIT_BL_READY BIT(0) - u32 version; /* 0x880A40 version of the BL struct */ - u32 rf_type; /* 0x880A44 ID of the connected RF */ - u32 baseband_type; /* 0x880A48 ID of the baseband */ - u8 mac_address[ETH_ALEN]; /* 0x880A4C permanent MAC */ - u8 pad[2]; -} __packed; - /* registers - FW addresses */ #define RGF_USER_USAGE_1 (0x880004) #define RGF_USER_USAGE_6 (0x880018)