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Tue, 12 Jan 2021 09:49:57 +0000 From: peng.fan@nxp.com To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, paul@crapouillou.net, matthias.bgg@gmail.com, agross@kernel.org, patrice.chotard@st.com, Peng Fan Subject: [PATCH V6 07/10] remoteproc: imx_rproc: add i.MX specific parse fw hook Date: Tue, 12 Jan 2021 17:39:16 +0800 Message-Id: <1610444359-1857-8-git-send-email-peng.fan@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1610444359-1857-1-git-send-email-peng.fan@nxp.com> References: <1610444359-1857-1-git-send-email-peng.fan@nxp.com> Content-Type: text/plain X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR06CA0212.apcprd06.prod.outlook.com (2603:1096:4:68::20) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0212.apcprd06.prod.outlook.com (2603:1096:4:68::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3742.6 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?us-ascii?Q?C+gu+02x4hoBVEMox+nhgWk4GmFyy7unwCejdZ/PxK0auGWB+M+L1oDN4d94?= =?us-ascii?Q?diDRuDg30mmJmVKyduNpDaCN8rn5245TGw0Dc7ip0GNlgTB18k5M7ewb90tM?= =?us-ascii?Q?xc8/FndfNlroVRzJi021V72SayUi7Po4KC8OZrWVlAaXC6R/AFIedoAL89sb?= =?us-ascii?Q?wVPl1A1bAKEN9Ja5groajHeuje1rIVIC7aU1rN73FE6mErEpdRozZzrimb6H?= =?us-ascii?Q?pw/Llqh8Q886lJwjriz5208x44nC+MpDkQdlM20Nzyg/0IC/rayYQ5/0kZm+?= =?us-ascii?Q?nI1nufRX3zaUSKlFD5MxspNeo7sInAe3tFje1YTProygiqqsFu67cgxmHDaa?= =?us-ascii?Q?wNShg/DLW75H9BQVqvk+xD0Gm0tQP5wkqLjFfGHuc1Sxmd9rvy9FbNw121pv?= =?us-ascii?Q?XI4MuK6+DYyWyA8ldL+nKgFKC7drBHmHrns2P0GvdS0UiAQYtlvm6P716WoG?= =?us-ascii?Q?pUXF11rzBupZN6erdKzJNZ1K8Imm7xtKXNMnQX8wU/PRh/8ILTJwcNvXD4pP?= =?us-ascii?Q?IieH7PeOzchtsNClIV9PUo6Mru+t1byoCC5yslhNPET3bmafjuqeBZSpUZi3?= =?us-ascii?Q?cLUQxZhzM4k+vL7u86fvRGkpB20dGC0O7c2CruzDPefmruMSp5zJ3UYUrIDi?= =?us-ascii?Q?oDsdL1twPZ+TTALsvCiF/FZwB6N7I4WXb3ND1drlofySs/wNU6TgzdTpIz93?= =?us-ascii?Q?S8RgygYNbPNlJstT/TmxphRT/LAcMtqmliiw9NMnD6qs6MKkjzYLT+pFOFhI?= =?us-ascii?Q?+hNV2XIpFghwj5TeLJkjH44HYC6wOntC9zXsMeKiKkk46aCPzorCFGxTR/Ve?= =?us-ascii?Q?nHh9EGYUx4/FTF5fsgWCzBrgEbTbGqkhQiQLIVzIZhN74cXhhvtmQQ7gEjm+?= =?us-ascii?Q?8fWC/fbIkrudvy9AF5xzqKMmcsr0pxgTOdE3gVIPZiXITfqGjKBGCezm7Reb?= =?us-ascii?Q?uVwmc5YVAli2gWeoKQloJ9RNMWsHNloN5MafyCiIA5ssyuJgoHPLYN5Kh0ch?= =?us-ascii?Q?35Gx?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2021 09:49:57.0911 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: dcc5a1ae-b278-4bc5-1e21-08d8b6df6b93 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: iYB72ZzE8ts0Wew5wmtJVQgAHJa5PI2ad61g0b04w6VispUjzJAybiOCxhpGOBmyODFlmTiOkRvaZlAhqqO7UQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0402MB3658 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Peng Fan The hook is used to parse memory-regions and load resource table from the address the remote processor published. Signed-off-by: Peng Fan Reviewed-by: Richard Zhu Reviewed-by: Mathieu Poirier --- drivers/remoteproc/imx_rproc.c | 93 ++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 47fc1d06be6a..3c0075dc1787 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -241,10 +242,102 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *i 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; + u32 da; + + /* Register associated reserved memory regions */ + of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); + while (of_phandle_iterator_next(&it) == 0) { + /* + * Ignore the first memory region which will be used vdev buffer. + * No need to do extra handlings, rproc_add_virtio_dev will handle it. + */ + if (!strcmp(it.node->name, "vdevbuffer")) + continue; + + 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; + + /* 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 + return -ENOMEM; + + rproc_add_carveout(rproc, mem); + } + + 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 const struct rproc_ops imx_rproc_ops = { .start = imx_rproc_start, .stop = imx_rproc_stop, .da_to_va = imx_rproc_da_to_va, + .load = rproc_elf_load_segments, + .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, }; static int imx_rproc_addr_init(struct imx_rproc *priv, -- 2.28.0 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 0369AC433E0 for ; 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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 From: Peng Fan The hook is used to parse memory-regions and load resource table from the address the remote processor published. Signed-off-by: Peng Fan Reviewed-by: Richard Zhu Reviewed-by: Mathieu Poirier --- drivers/remoteproc/imx_rproc.c | 93 ++++++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 47fc1d06be6a..3c0075dc1787 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -241,10 +242,102 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *i 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; + u32 da; + + /* Register associated reserved memory regions */ + of_phandle_iterator_init(&it, np, "memory-region", NULL, 0); + while (of_phandle_iterator_next(&it) == 0) { + /* + * Ignore the first memory region which will be used vdev buffer. + * No need to do extra handlings, rproc_add_virtio_dev will handle it. + */ + if (!strcmp(it.node->name, "vdevbuffer")) + continue; + + 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; + + /* 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 + return -ENOMEM; + + rproc_add_carveout(rproc, mem); + } + + 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 const struct rproc_ops imx_rproc_ops = { .start = imx_rproc_start, .stop = imx_rproc_stop, .da_to_va = imx_rproc_da_to_va, + .load = rproc_elf_load_segments, + .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, }; static int imx_rproc_addr_init(struct imx_rproc *priv, -- 2.28.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel