From patchwork Thu Feb 23 07:37:54 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kever Yang X-Patchwork-Id: 731437 X-Patchwork-Delegate: sjg@chromium.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 3vTRSM4VVgz9s65 for ; Thu, 23 Feb 2017 18:58:27 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="jbewLofT"; dkim-atps=neutral Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id A0E5EB3912; Thu, 23 Feb 2017 08:58:24 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id l_h5gKfG92AO; Thu, 23 Feb 2017 08:58:24 +0100 (CET) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 232CBB3916; Thu, 23 Feb 2017 08:57:38 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 19B834B812 for ; Thu, 23 Feb 2017 08:39:55 +0100 (CET) Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lTvOVMTMZ4ik for ; Thu, 23 Feb 2017 08:39:54 +0100 (CET) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-pf0-f193.google.com (mail-pf0-f193.google.com [209.85.192.193]) by theia.denx.de (Postfix) with ESMTPS id 33287B3899 for ; Thu, 23 Feb 2017 08:38:30 +0100 (CET) Received: by mail-pf0-f193.google.com with SMTP id c193so1120548pfb.3 for ; Wed, 22 Feb 2017 23:38:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=oV2JWkGNrIuHih8MXBwEYPnsEb4m9GRG36fnpbpSbCo=; b=jbewLofTRhuyRIS2+hg2QTJeG125Rz4T7K1FxF7qghUfkERsHfseyutK4tQ4DwtcuC 6dDbDhG4B5k6yb7PQHnhygsbcd2bqK4IsvsZBDKjClHh7MOkX53oAj0yI8SNNDzzlH9z aRLUgXLkb7bfiC7EZ8NU5oK8fGqmyN9MlTWFm1kMXWIwNJIdMnMWadL72aD81492pKwz A2QyOj02OZznPPD829no3UQCcE2sYH/RLHdP3zoIw05WbAgI34qV5R+3dDupy4Yu5Hy/ 6UF8cvtpSkNFCUf4la4WSO6n+diw1raGPjP/jlMNwiPOKcaBk6xWaC3UF9FZW3Rn5+yc DUwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=oV2JWkGNrIuHih8MXBwEYPnsEb4m9GRG36fnpbpSbCo=; b=HeZfLp3Y7HkK1hMWV5ccaGEN1Jk5970vQ+Yx7KVOag1vSWseyYLU3vcwylKpGMp2Mz Vdj046GizEE8LQXXl3dvI3JEV/6vxgOts7ZRamud8dKLcITtsmc1Zk/Al/ojTSwhFPoC WI5Y/G4hRRvgM688NoeWmZUcHCLLuxVXsQSn+IH+zaxO/Is3Z2awR8VStmnCZt+Uqhyx YQcqkaDI1WCdkkEyo9s0yorfXN8Inck1bHKeyQcc4Zo+0wy2c0vsrZik6mbQp7VgIWYy 4pxuxfDo6lzY83ectVr3a0p7KyUVopqTs40nh0O5cE0c+dIDobNNX3++Ov+s2hj580Bv KyxA== X-Gm-Message-State: AMke39lfcEBfxBrBVGggQgSWjHABiXSn+BKA9ePDZr53qP/Be0KurOSCSSFt/kgfR6qx5w== X-Received: by 10.99.55.27 with SMTP id e27mr30355161pga.15.1487835505756; Wed, 22 Feb 2017 23:38:25 -0800 (PST) Received: from localhost.localdomain ([103.29.142.67]) by smtp.gmail.com with ESMTPSA id l3sm7737157pgn.10.2017.02.22.23.38.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 22 Feb 2017 23:38:25 -0800 (PST) From: Kever Yang To: sjg@chromium.org Date: Thu, 23 Feb 2017 15:37:54 +0800 Message-Id: <1487835476-22596-6-git-send-email-kever.yang@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1487835476-22596-1-git-send-email-kever.yang@rock-chips.com> References: <1487835476-22596-1-git-send-email-kever.yang@rock-chips.com> Cc: Chris Zankel , Lin huang , hcy@rock-chips.com, u-boot@lists.denx.de, andy.yan@rock-chips.com, william.zhang@rock-chips.com Subject: [U-Boot] [PATCH v3 5/7] rockchip: rk3328: add sysreset driver X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.15 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add rk3328 sysreset driver. Signed-off-by: William Zhang Signed-off-by: Kever Yang Acked-by: Simon Glass --- Changes in v3: None Changes in v2: - fix include header file order drivers/sysreset/Makefile | 1 + drivers/sysreset/sysreset_rk3328.c | 45 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 drivers/sysreset/sysreset_rk3328.c diff --git a/drivers/sysreset/Makefile b/drivers/sysreset/Makefile index 37638a8..12cfa79 100644 --- a/drivers/sysreset/Makefile +++ b/drivers/sysreset/Makefile @@ -10,6 +10,7 @@ ifndef CONFIG_SPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3036) += sysreset_rk3036.o endif obj-$(CONFIG_ROCKCHIP_RK3288) += sysreset_rk3288.o +obj-$(CONFIG_ROCKCHIP_RK3328) += sysreset_rk3328.o obj-$(CONFIG_ROCKCHIP_RK3399) += sysreset_rk3399.o obj-$(CONFIG_SANDBOX) += sysreset_sandbox.o obj-$(CONFIG_ARCH_SNAPDRAGON) += sysreset_snapdragon.o diff --git a/drivers/sysreset/sysreset_rk3328.c b/drivers/sysreset/sysreset_rk3328.c new file mode 100644 index 0000000..7b9af09 --- /dev/null +++ b/drivers/sysreset/sysreset_rk3328.c @@ -0,0 +1,45 @@ +/* + * (C) Copyright 2016 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +int rk3328_sysreset_request(struct udevice *dev, enum sysreset_t type) +{ + struct rk3328_cru *cru = rockchip_get_cru(); + + if (IS_ERR(cru)) + return PTR_ERR(cru); + switch (type) { + case SYSRESET_WARM: + writel(0xeca8, &cru->glb_srst_snd_value); + break; + case SYSRESET_COLD: + writel(0xfdb9, &cru->glb_srst_fst_value); + break; + default: + return -EPROTONOSUPPORT; + } + + return -EINPROGRESS; +} + +static struct sysreset_ops rk3328_sysreset = { + .request = rk3328_sysreset_request, +}; + +U_BOOT_DRIVER(sysreset_rk3328) = { + .name = "rk3328_sysreset", + .id = UCLASS_SYSRESET, + .ops = &rk3328_sysreset, +};