From patchwork Wed Dec 13 07:18:37 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mario Six X-Patchwork-Id: 847825 X-Patchwork-Delegate: mario.six@gdsys.cc Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 3yxT7q12dLz9s7B for ; Wed, 13 Dec 2017 18:38:15 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id BCE9CC21E3E; Wed, 13 Dec 2017 07:23:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=-0.0 required=5.0 tests=SPF_HELO_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 07477C21DEF; Wed, 13 Dec 2017 07:21:04 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 5849BC21D9F; Wed, 13 Dec 2017 07:20:56 +0000 (UTC) Received: from smtprelay08.ispgateway.de (smtprelay08.ispgateway.de [134.119.228.106]) by lists.denx.de (Postfix) with ESMTPS id C9E8EC21D9F for ; Wed, 13 Dec 2017 07:20:55 +0000 (UTC) Received: from [87.191.40.34] (helo=bob3.testumgebung.local) by smtprelay08.ispgateway.de with esmtpa (Exim 4.89) (envelope-from ) id 1eP1Lb-00073A-8m; Wed, 13 Dec 2017 08:20:55 +0100 From: Mario Six To: U-Boot Mailing List , Wolfgang Denk , Dirk Eibach , Simon Glass , Heiko Schocher , Stefan Roese , Jagan Teki , Joe Hershberger Date: Wed, 13 Dec 2017 08:18:37 +0100 Message-Id: <20171213071946.6181-9-mario.six@gdsys.cc> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171213071946.6181-1-mario.six@gdsys.cc> References: <20171213071946.6181-1-mario.six@gdsys.cc> X-Df-Sender: bWFyaW8uc2l4QGdkc3lzLmNj Subject: [U-Boot] [PATCH v2 09/78] core: Add {ofnode, dev}_translate_address functions X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 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" Reviewed-by: Simon Glass Signed-off-by: Mario Six --- v1 -> v2: None --- drivers/core/ofnode.c | 8 ++++++++ drivers/core/read.c | 5 +++++ include/dm/ofnode.h | 13 +++++++++++++ include/dm/read.h | 17 +++++++++++++++++ 4 files changed, 43 insertions(+) -- 2.13.6 diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index ebcf64d867..0b32f9b085 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -644,3 +644,11 @@ int ofnode_read_resource_byname(ofnode node, const char *name, return ofnode_read_resource(node, index, res); } + +u64 ofnode_translate_address(ofnode node, const fdt32_t *in_addr) +{ + if (ofnode_is_np(node)) + return of_translate_address(ofnode_to_np(node), in_addr); + else + return fdt_translate_address(gd->fdt_blob, ofnode_to_offset(node), in_addr); +} diff --git a/drivers/core/read.c b/drivers/core/read.c index 08955f81fc..19207a3906 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -188,3 +188,8 @@ int dev_read_resource_byname(struct udevice *dev, const char *name, { return ofnode_read_resource_byname(dev_ofnode(dev), name, res); } + +u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr) +{ + return ofnode_translate_address(dev_ofnode(dev), in_addr); +} diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 8b9932a569..c359a60f95 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -652,4 +652,17 @@ int ofnode_read_resource_byname(ofnode node, const char *name, ofnode_valid(node); \ node = ofnode_next_subnode(node)) +/** + * ofnode_translate_address() - Tranlate a device-tree address + * + * Translate an address from the device-tree into a CPU physical address. This + * function walks up the tree and applies the various bus mappings along the + * way. + * + * @ofnode: Device tree node giving the context in which to translate the + * address + * @in_addr: pointer to the address to translate + * @return the translated address; OF_BAD_ADDR on error + */ +u64 ofnode_translate_address(ofnode node, const fdt32_t *in_addr); #endif diff --git a/include/dm/read.h b/include/dm/read.h index d2f47a678f..d88a6c547e 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -410,6 +410,18 @@ int dev_read_resource(struct udevice *dev, uint index, struct resource *res); int dev_read_resource_byname(struct udevice *dev, const char *name, struct resource *res); +/** + * dev_translate_address() - Tranlate a device-tree address + * + * Translate an address from the device-tree into a CPU physical address. This + * function walks up the tree and applies the various bus mappings along the + * way. + * + * @dev: device giving the context in which to translate the address + * @in_addr: pointer to the address to translate + * @return the translated address; OF_BAD_ADDR on error + */ +u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr); #else /* CONFIG_DM_DEV_READ_INLINE is enabled */ static inline int dev_read_u32_default(struct udevice *dev, @@ -582,6 +594,11 @@ static inline int dev_read_resource_byname(struct udevice *dev, return ofnode_read_resource_byname(dev_ofnode(dev), name, res); } +static inline u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr) +{ + return ofnode_translate_address(dev_ofnode(dev), in_addr); +} + #endif /* CONFIG_DM_DEV_READ_INLINE */ /**