From patchwork Tue Jul 9 07:25:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pi-Hsun Shih X-Patchwork-Id: 11036545 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A644013B1 for ; Tue, 9 Jul 2019 07:27:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8BB98286AA for ; Tue, 9 Jul 2019 07:27:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7E100285BA; Tue, 9 Jul 2019 07:27:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0C891286D6 for ; Tue, 9 Jul 2019 07:27:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fkn4bqqy2kw84R9ZPAAPG1l5kyErXQfHQc1rPOVpSpw=; b=HZzFmYRgi7TCvI Dd0Xwz4hRZ3HI2yO85PbHzx5etpUwp9nfSnmx5hQ9YXfxh++xWim6LM/H0WhM4WAdYoDmYb94iGoL 9jWYnfwZ4g+uZOkOZHJg7f8Zo6pyiPcwEy9wKLow+hC1S3UFgGWBIE8A1JLg/Ojt5mMQ+ATgYqat0 FFoOVqt2OYsCZoyU7yrjeQ6VbGHnhttMd3XJ1HBmsKYJXWby/RWfxAHBamd1W3G3VtSbXZ3ER7Mrk OO+JvQVVvl/mHhbCjHFyhymqLcBl7/EFm8lNyJQ1NVIk/IxG9K5hN3QwQAXBnuhdUxUv6BdayhnY5 mMGQ1Yzxh9mzb1h5pb7Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hkkX4-0007qe-G9; Tue, 09 Jul 2019 07:27:22 +0000 Received: from mail-pg1-x543.google.com ([2607:f8b0:4864:20::543]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hkkW6-000713-C2 for linux-arm-kernel@lists.infradead.org; Tue, 09 Jul 2019 07:26:26 +0000 Received: by mail-pg1-x543.google.com with SMTP id m4so9000109pgk.0 for ; Tue, 09 Jul 2019 00:26:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=kDm33LlUdrMo6gFn/4JDsHhLY06uoHh8tmnAA8K/bdA=; b=ngXc4HMpLWpfA6EwT1TZqkc+jqAf4XDue+cqaEa0XqSeQt/I7AW0kuNfNGYT0vgQfm 24IG5HTuvrMNWSm2H0hz61DwrtyyHvbmpPTUrxUeCyEr1fcuDBq8cgVo87ARwII3JUzn KZ1PlpLypc3FScF+mDW/l0Zaxlir3D5QMDpCE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=kDm33LlUdrMo6gFn/4JDsHhLY06uoHh8tmnAA8K/bdA=; b=WW6aPZaTbjDLP3AlZPOlWP6y7kH6gwlj9pgACV6H1VkculebxStdDZPuZSVsk8jhDP 7DM1cVWdb7s1s/diEzZUtMBKie3qcNn4GPdcM7NLPuYEs9PJj+rvPmoMtmwNgRV7IeKB AzXZGrKEQZiTKlaHXoU6Lc0BcQ7za3j1ZP5sM89JNZosXisW80DA4sSntBfqdL3DnqRE ojzsYe/2Z3/5WCutMz02ZbeGptmu2smw1OLeX7vUsVyMqox4zbrxe7WJ6WliXTfKW55u mlXf6Ae8v1ApOStZERf+H3vnxoWWuI37qsGYababv9ZxJEHAZOxZxImPcgqNG2h9conG XrCA== X-Gm-Message-State: APjAAAUu4mZaC97MksBA1jJlF8easzd5lPb8gk6AnYcKrLzClGTTxpzb urI+pX9D7vdGCWOcmoD8jxVS8g== X-Google-Smtp-Source: APXvYqwv1Qh8/qoHBpIzltk0kzqL1evNERu+ncHmZdzStKvqq25k2eRbB1sQb0XtHlFAqsxqjCotgQ== X-Received: by 2002:a63:e20a:: with SMTP id q10mr28238657pgh.24.1562657181249; Tue, 09 Jul 2019 00:26:21 -0700 (PDT) Received: from pihsun-z840.tpe.corp.google.com ([2401:fa00:1:10:7889:7a43:f899:134c]) by smtp.googlemail.com with ESMTPSA id 81sm12738135pfx.111.2019.07.09.00.26.19 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 09 Jul 2019 00:26:20 -0700 (PDT) From: Pi-Hsun Shih To: Subject: [PATCH v13 3/5] remoteproc: mt8183: add reserved memory manager API Date: Tue, 9 Jul 2019 15:25:27 +0800 Message-Id: <20190709072547.217957-4-pihsun@chromium.org> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog In-Reply-To: <20190709072547.217957-1-pihsun@chromium.org> References: <20190709072547.217957-1-pihsun@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190709_002622_651330_18ED04DC X-CRM114-Status: GOOD ( 12.92 ) 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: Ohad Ben-Cohen , Nicolas Boichat , Erin Lo , "open list:REMOTE PROCESSOR REMOTEPROC SUBSYSTEM" , open list , Bjorn Andersson , "moderated list:ARM/Mediatek SoC support" , Pi-Hsun Shih , Matthias Brugger , "moderated list:ARM/Mediatek SoC support" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Erin Lo Add memory table mapping API for other driver to lookup reserved physical and virtual memory Signed-off-by: Erin Lo Signed-off-by: Pi-Hsun Shih --- Changes from v12: - Reformat a line to fit 80 character width. Changes from v11: - No change. Changes from v10: - Fix some type mismatch warnings when printing debug messages. Changes from v9: - No change. Changes from v8: - Add more reserved regions for camera ISP. Changes from v7, v6, v5: - No change. Changes from v4: - New patch. --- drivers/remoteproc/mtk_scp.c | 136 ++++++++++++++++++++++++++ include/linux/platform_data/mtk_scp.h | 24 +++++ 2 files changed, 160 insertions(+) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 4713574d1aa2..dec271f69423 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -358,6 +358,138 @@ void *scp_mapping_dm_addr(struct platform_device *pdev, u32 mem_addr) } EXPORT_SYMBOL_GPL(scp_mapping_dm_addr); +#if SCP_RESERVED_MEM +phys_addr_t scp_mem_base_phys; +phys_addr_t scp_mem_base_virt; +phys_addr_t scp_mem_size; + +static struct scp_reserve_mblock scp_reserve_mblock[] = { + { + .num = SCP_ISP_MEM_ID, + .start_phys = 0x0, + .start_virt = 0x0, + .size = 0x200000, /*2MB*/ + }, + { + .num = SCP_ISP_MEM2_ID, + .start_phys = 0x0, + .start_virt = 0x0, + .size = 0x800000, /*8MB*/ + }, + { + .num = SCP_DIP_MEM_ID, + .start_phys = 0x0, + .start_virt = 0x0, + .size = 0x900000, /*9MB*/ + }, + { + .num = SCP_MDP_MEM_ID, + .start_phys = 0x0, + .start_virt = 0x0, + .size = 0x600000, /*6MB*/ + }, + { + .num = SCP_FD_MEM_ID, + .start_phys = 0x0, + .start_virt = 0x0, + .size = 0x100000, /*1MB*/ + }, +}; + +static int scp_reserve_mem_init(struct mtk_scp *scp) +{ + enum scp_reserve_mem_id_t id; + phys_addr_t accumlate_memory_size = 0; + + scp_mem_base_phys = (phys_addr_t) (scp->phys_addr + MAX_CODE_SIZE); + scp_mem_size = (phys_addr_t) (scp->dram_size - MAX_CODE_SIZE); + + dev_info(scp->dev, + "phys:0x%llx - 0x%llx (0x%llx)\n", + (unsigned long long)scp_mem_base_phys, + (unsigned long long)(scp_mem_base_phys + scp_mem_size), + (unsigned long long)scp_mem_size); + accumlate_memory_size = 0; + for (id = 0; id < SCP_NUMS_MEM_ID; id++) { + scp_reserve_mblock[id].start_phys = + scp_mem_base_phys + accumlate_memory_size; + accumlate_memory_size += scp_reserve_mblock[id].size; + dev_info( + scp->dev, + "[reserve_mem:%d]: phys:0x%llx - 0x%llx (0x%llx)\n", id, + (unsigned long long)scp_reserve_mblock[id].start_phys, + (unsigned long long)(scp_reserve_mblock[id].start_phys + + scp_reserve_mblock[id].size), + (unsigned long long)scp_reserve_mblock[id].size); + } + return 0; +} + +static int scp_reserve_memory_ioremap(struct mtk_scp *scp) +{ + enum scp_reserve_mem_id_t id; + phys_addr_t accumlate_memory_size = 0; + + scp_mem_base_virt = (phys_addr_t)(size_t)ioremap_wc(scp_mem_base_phys, + scp_mem_size); + + dev_info(scp->dev, + "virt:0x%llx - 0x%llx (0x%llx)\n", + (unsigned long long)scp_mem_base_virt, + (unsigned long long)(scp_mem_base_virt + scp_mem_size), + (unsigned long long)scp_mem_size); + for (id = 0; id < SCP_NUMS_MEM_ID; id++) { + scp_reserve_mblock[id].start_virt = + scp_mem_base_virt + accumlate_memory_size; + accumlate_memory_size += scp_reserve_mblock[id].size; + } + /* the reserved memory should be larger then expected memory + * or scp_reserve_mblock does not match dts + */ + WARN_ON(accumlate_memory_size > scp_mem_size); +#ifdef DEBUG + for (id = 0; id < NUMS_MEM_ID; id++) { + dev_info(scp->dev, + "[mem_reserve-%d] phys:0x%llx,virt:0x%llx,size:0x%llx\n", + id, + scp_get_reserve_mem_phys(id), + scp_get_reserve_mem_virt(id), + scp_get_reserve_mem_size(id)); + } +#endif + return 0; +} +phys_addr_t scp_get_reserve_mem_phys(enum scp_reserve_mem_id_t id) +{ + if (id >= SCP_NUMS_MEM_ID) { + pr_err("[SCP] no reserve memory for %d", id); + return 0; + } else + return scp_reserve_mblock[id].start_phys; +} +EXPORT_SYMBOL_GPL(scp_get_reserve_mem_phys); + +phys_addr_t scp_get_reserve_mem_virt(enum scp_reserve_mem_id_t id) +{ + if (id >= SCP_NUMS_MEM_ID) { + pr_err("[SCP] no reserve memory for %d", id); + return 0; + } else + return scp_reserve_mblock[id].start_virt; +} +EXPORT_SYMBOL_GPL(scp_get_reserve_mem_virt); + +phys_addr_t scp_get_reserve_mem_size(enum scp_reserve_mem_id_t id) +{ + if (id >= SCP_NUMS_MEM_ID) { + pr_err("[SCP] no reserve memory for %d", id); + return 0; + } else + return scp_reserve_mblock[id].size; +} +EXPORT_SYMBOL_GPL(scp_get_reserve_mem_size); +#endif + static int scp_map_memory_region(struct mtk_scp *scp) { struct device_node *node; @@ -385,6 +517,10 @@ static int scp_map_memory_region(struct mtk_scp *scp) return -EBUSY; } +#if SCP_RESERVED_MEM + scp_reserve_mem_init(scp); + scp_reserve_memory_ioremap(scp); +#endif return 0; } diff --git a/include/linux/platform_data/mtk_scp.h b/include/linux/platform_data/mtk_scp.h index b81ac5c7d320..96e56fdd0917 100644 --- a/include/linux/platform_data/mtk_scp.h +++ b/include/linux/platform_data/mtk_scp.h @@ -138,4 +138,28 @@ unsigned int scp_get_venc_hw_capa(struct platform_device *pdev); void *scp_mapping_dm_addr(struct platform_device *pdev, u32 mem_addr); +#define SCP_RESERVED_MEM (1) +#if SCP_RESERVED_MEM +/* scp reserve memory ID definition*/ +enum scp_reserve_mem_id_t { + SCP_ISP_MEM_ID, + SCP_ISP_MEM2_ID, + SCP_MDP_MEM_ID, + SCP_DIP_MEM_ID, + SCP_FD_MEM_ID, + SCP_NUMS_MEM_ID, +}; + +struct scp_reserve_mblock { + enum scp_reserve_mem_id_t num; + u64 start_phys; + u64 start_virt; + u64 size; +}; + +extern phys_addr_t scp_get_reserve_mem_phys(enum scp_reserve_mem_id_t id); +extern phys_addr_t scp_get_reserve_mem_virt(enum scp_reserve_mem_id_t id); +extern phys_addr_t scp_get_reserve_mem_size(enum scp_reserve_mem_id_t id); +#endif + #endif /* _MTK_SCP_H */