From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF837C433E1 for ; Tue, 11 Aug 2020 21:56:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB0E220786 for ; Tue, 11 Aug 2020 21:56:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="SZZwMK09" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726402AbgHKV4a (ORCPT ); Tue, 11 Aug 2020 17:56:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35182 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726115AbgHKV4a (ORCPT ); Tue, 11 Aug 2020 17:56:30 -0400 Received: from mail-pg1-x544.google.com (mail-pg1-x544.google.com [IPv6:2607:f8b0:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB9AFC06174A for ; Tue, 11 Aug 2020 14:56:29 -0700 (PDT) Received: by mail-pg1-x544.google.com with SMTP id m34so7331481pgl.11 for ; Tue, 11 Aug 2020 14:56:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=KSa7Y7IFmVv3mPo6BtUixp64hBItc6LRmW/hEtkBP/8=; b=SZZwMK09c6YE5Th36KUSESm6urzpnMSjJjJf/Auw0TkpUO5rQYH0K8XSkYRhiFT7lY lPISzrK3iNb3gFkzwdeSxMiAK+S23rl53XWiOEBk+G8sUNcqdTmHf/kDM+8N2zTXfNq9 RKlhu7LOX4psFqCzFZFSFQLlV8HrmhWa5WZd0KtFSgW89tSBXb5eqriSZuXY7DBkl97d lGfdxkkJMGPnOZACgA4dv6QRJpyfvTGZ2uwADXfmSdaTcVL3UfpkdmD4usppwBIcuIbq VkZrFWNeZ1flSFT1V4gXvEi1pFBIA/BpeuI1ouWOv1zl9OS3eUysNmq4C7bQ3F5SYRMy NdJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=KSa7Y7IFmVv3mPo6BtUixp64hBItc6LRmW/hEtkBP/8=; b=bgGqF2EUpFhEwgCJN6T7rtNEL4jmUsdVdDgCko/4KokB6739ALKeTXJdiV5zWk8xQs Yfa84MyH42dp3n0QjeypKmhdFk8YAt1su0RWlkELFfAeaqvvA0zR/U4GQzafwFTWUJP0 HgMKhTbk0n1io+xQnwqXlfGj+eCG3vRWXRaE4EdOMT6ze7eTC+K4i/y/3YRf9dnaN9bz r4EMJEXI4/HSngaBHigTW6Rsh+gq7KffXrAWwTNQOA8aoXsLCwkTneyE5KYaousotkSq K3XfSOsVfioDqHBPRcE99reD2K9329fEkJqqP8jYne79gTIL2aHVnAAACSjgeWHuBPm9 tj4A== X-Gm-Message-State: AOAM5336I+FTzCyCEaPODacBS3wJypCDYMir2zC3rDF+rKg8CK70eDrb Dz8xcuJdghTzAchkCVLKHvadQw== X-Google-Smtp-Source: ABdhPJyvL8LIxyAqmktGwUDTb/A1q9zRIJh0/tD9FsMiEl83jMA8jHoq+HMPDX6TYyR0Ax3YuFMwMQ== X-Received: by 2002:a63:db56:: with SMTP id x22mr2400831pgi.339.1597182988687; Tue, 11 Aug 2020 14:56:28 -0700 (PDT) Received: from xps15 (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id t25sm56197pfe.76.2020.08.11.14.56.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2020 14:56:27 -0700 (PDT) Date: Tue, 11 Aug 2020 15:56:25 -0600 From: Mathieu Poirier To: Peng Fan Cc: bjorn.andersson@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: Re: [PATCH 07/10] remoteproc: imx_rproc: add i.MX specific parse fw hook Message-ID: <20200811215625.GC3370567@xps15> References: <20200724080813.24884-1-peng.fan@nxp.com> <20200724080813.24884-8-peng.fan@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200724080813.24884-8-peng.fan@nxp.com> Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org On Fri, Jul 24, 2020 at 04:08:10PM +0800, Peng Fan wrote: > The hook is used to parse memory-regions and load resource table > from the address the remote processor published. > > Signed-off-by: Peng Fan > --- > drivers/remoteproc/imx_rproc.c | 99 +++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 98 insertions(+), 1 deletion(-) > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index c23726091228..43000a992455 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -11,6 +11,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -89,6 +90,7 @@ struct imx_rproc { > const struct imx_rproc_dcfg *dcfg; > struct imx_rproc_mem mem[IMX7D_RPROC_MEM_MAX]; > struct clk *clk; > + void *rsc_va; Where is this used? > }; > > static const struct imx_rproc_att imx_rproc_att_imx7d[] = { > @@ -251,6 +253,101 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > return va; > } > > +static int imx_rproc_mem_alloc(struct rproc *rproc, > + struct rproc_mem_entry *mem) > +{ > + struct device *dev = rproc->dev.parent; > + void *va; > + > + dev_dbg(dev, "map memory: %p+%zx\n", &mem->dma, mem->len); > + va = ioremap_wc(mem->dma, mem->len); > + if (IS_ERR_OR_NULL(va)) { > + dev_err(dev, "Unable to map memory region: %p+%zx\n", > + &mem->dma, mem->len); > + return -ENOMEM; > + } > + > + /* Update memory entry va */ > + mem->va = va; > + > + return 0; > +} > + > +static int imx_rproc_mem_release(struct rproc *rproc, > + struct rproc_mem_entry *mem) > +{ > + dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); > + iounmap(mem->va); > + > + return 0; > +} > + > +static int imx_rproc_parse_memory_regions(struct rproc *rproc) > +{ > + struct imx_rproc *priv = rproc->priv; > + struct device_node *np = priv->dev->of_node; > + struct of_phandle_iterator it; > + struct rproc_mem_entry *mem; > + struct reserved_mem *rmem; > + int index = 0; > + u32 da; > + > + /* Register associated reserved memory regions */ > + of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); > + while (of_phandle_iterator_next(&it) == 0) { > + rmem = of_reserved_mem_lookup(it.node); > + if (!rmem) { > + dev_err(priv->dev, "unable to acquire memory-region\n"); > + return -EINVAL; > + } > + > + /* No need to translate pa to da, i.MX use same map */ > + da = rmem->base; > + > + if (strcmp(it.node->name, "vdev0buffer")) { Are you sure you will _always_ have a single vdev? From the example you have given to Oleksij it doesn't seem to be the case... > + /* Register memory region */ > + mem = rproc_mem_entry_init(priv->dev, NULL, > + (dma_addr_t)rmem->base, > + rmem->size, da, > + imx_rproc_mem_alloc, > + imx_rproc_mem_release, > + it.node->name); > + > + if (mem) > + rproc_coredump_add_segment(rproc, da, > + rmem->size); > + } else { > + /* Register reserved memory for vdev buffer alloc */ > + mem = rproc_of_resm_mem_entry_init(priv->dev, index, > + rmem->size, > + rmem->base, > + it.node->name); > + } > + > + if (!mem) > + return -ENOMEM; > + > + rproc_add_carveout(rproc, mem); > + index++; > + } > + > + return 0; > +} > + > +static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) > +{ > + int ret = imx_rproc_parse_memory_regions(rproc); > + > + if (ret) > + return ret; > + > + ret = rproc_elf_load_rsc_table(rproc, fw); > + if (ret) > + dev_info(&rproc->dev, "No resource table in elf\n"); > + > + return 0; > +} > + > static int imx_rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) > { > struct device *dev = &rproc->dev; > @@ -323,7 +420,7 @@ static const struct rproc_ops imx_rproc_ops = { > .stop = imx_rproc_stop, > .da_to_va = imx_rproc_da_to_va, > .load = imx_rproc_elf_load_segments, > - .parse_fw = rproc_elf_load_rsc_table, > + .parse_fw = imx_rproc_parse_fw, > .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, > .sanity_check = rproc_elf_sanity_check, > .get_boot_addr = rproc_elf_get_boot_addr, > -- > 2.16.4 > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F101CC433E0 for ; Tue, 11 Aug 2020 21:58:08 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BA8ED20774 for ; 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[68.147.8.254]) by smtp.gmail.com with ESMTPSA id t25sm56197pfe.76.2020.08.11.14.56.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2020 14:56:27 -0700 (PDT) Date: Tue, 11 Aug 2020 15:56:25 -0600 From: Mathieu Poirier To: Peng Fan Subject: Re: [PATCH 07/10] remoteproc: imx_rproc: add i.MX specific parse fw hook Message-ID: <20200811215625.GC3370567@xps15> References: <20200724080813.24884-1-peng.fan@nxp.com> <20200724080813.24884-8-peng.fan@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200724080813.24884-8-peng.fan@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200811_175632_181708_E489AD20 X-CRM114-Status: GOOD ( 26.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, festevam@gmail.com, s.hauer@pengutronix.de, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jul 24, 2020 at 04:08:10PM +0800, Peng Fan wrote: > The hook is used to parse memory-regions and load resource table > from the address the remote processor published. > > Signed-off-by: Peng Fan > --- > drivers/remoteproc/imx_rproc.c | 99 +++++++++++++++++++++++++++++++++++++++++- > 1 file changed, 98 insertions(+), 1 deletion(-) > > diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c > index c23726091228..43000a992455 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -11,6 +11,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -89,6 +90,7 @@ struct imx_rproc { > const struct imx_rproc_dcfg *dcfg; > struct imx_rproc_mem mem[IMX7D_RPROC_MEM_MAX]; > struct clk *clk; > + void *rsc_va; Where is this used? > }; > > static const struct imx_rproc_att imx_rproc_att_imx7d[] = { > @@ -251,6 +253,101 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len) > return va; > } > > +static int imx_rproc_mem_alloc(struct rproc *rproc, > + struct rproc_mem_entry *mem) > +{ > + struct device *dev = rproc->dev.parent; > + void *va; > + > + dev_dbg(dev, "map memory: %p+%zx\n", &mem->dma, mem->len); > + va = ioremap_wc(mem->dma, mem->len); > + if (IS_ERR_OR_NULL(va)) { > + dev_err(dev, "Unable to map memory region: %p+%zx\n", > + &mem->dma, mem->len); > + return -ENOMEM; > + } > + > + /* Update memory entry va */ > + mem->va = va; > + > + return 0; > +} > + > +static int imx_rproc_mem_release(struct rproc *rproc, > + struct rproc_mem_entry *mem) > +{ > + dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); > + iounmap(mem->va); > + > + return 0; > +} > + > +static int imx_rproc_parse_memory_regions(struct rproc *rproc) > +{ > + struct imx_rproc *priv = rproc->priv; > + struct device_node *np = priv->dev->of_node; > + struct of_phandle_iterator it; > + struct rproc_mem_entry *mem; > + struct reserved_mem *rmem; > + int index = 0; > + u32 da; > + > + /* Register associated reserved memory regions */ > + of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); > + while (of_phandle_iterator_next(&it) == 0) { > + rmem = of_reserved_mem_lookup(it.node); > + if (!rmem) { > + dev_err(priv->dev, "unable to acquire memory-region\n"); > + return -EINVAL; > + } > + > + /* No need to translate pa to da, i.MX use same map */ > + da = rmem->base; > + > + if (strcmp(it.node->name, "vdev0buffer")) { Are you sure you will _always_ have a single vdev? From the example you have given to Oleksij it doesn't seem to be the case... > + /* Register memory region */ > + mem = rproc_mem_entry_init(priv->dev, NULL, > + (dma_addr_t)rmem->base, > + rmem->size, da, > + imx_rproc_mem_alloc, > + imx_rproc_mem_release, > + it.node->name); > + > + if (mem) > + rproc_coredump_add_segment(rproc, da, > + rmem->size); > + } else { > + /* Register reserved memory for vdev buffer alloc */ > + mem = rproc_of_resm_mem_entry_init(priv->dev, index, > + rmem->size, > + rmem->base, > + it.node->name); > + } > + > + if (!mem) > + return -ENOMEM; > + > + rproc_add_carveout(rproc, mem); > + index++; > + } > + > + return 0; > +} > + > +static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw) > +{ > + int ret = imx_rproc_parse_memory_regions(rproc); > + > + if (ret) > + return ret; > + > + ret = rproc_elf_load_rsc_table(rproc, fw); > + if (ret) > + dev_info(&rproc->dev, "No resource table in elf\n"); > + > + return 0; > +} > + > static int imx_rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw) > { > struct device *dev = &rproc->dev; > @@ -323,7 +420,7 @@ static const struct rproc_ops imx_rproc_ops = { > .stop = imx_rproc_stop, > .da_to_va = imx_rproc_da_to_va, > .load = imx_rproc_elf_load_segments, > - .parse_fw = rproc_elf_load_rsc_table, > + .parse_fw = imx_rproc_parse_fw, > .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table, > .sanity_check = rproc_elf_sanity_check, > .get_boot_addr = rproc_elf_get_boot_addr, > -- > 2.16.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel