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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=fgDcU1+oW2fdsmRYSzA1iVZIhvNfGHQmRRDgjGCVILY=; b=YLP084S/c2NiRMgDHwSMMdMzcxEGX561SLrLVOFmSZgPs1eB/L7Q5Ikhi4/r5ESwYe einQ7FGeI1rrJ62sz+TMid0/a+uwbyQvgDvfxhB2glN+G+6XmYFTL86v/A6Byb2ezYLk WdH5AzutBIBpBGMHbu2xTpSOgVV7hK/AZFX3CBOYZcmBrA2Vpu2Ah2PsWEiUTduk8sr6 YyFXwrmWBMkUeoTnrUBU03BGvDDWvzUcZuLyrsPLAaaTUw3WFgcnDP6LdLyZyPpMohmC UWr/YC75hgQhBSsPEuImXtGt5yRIuBSBqWrywBR9zdU/DBZpYJGLLVGlB/JIE7gGBqRV WKSQ== X-Gm-Message-State: AOAM531leFMuDyTAnmrkQxUNiHsGXHqg4hnk9/h7LKVjb3Wq60H8PtBS ofGC3XbHDaKym9EsfEj6ZKc3WqKkmUWr X-Google-Smtp-Source: ABdhPJzrnWMwRRK57Q5VAbPJn0pCX1fnZeJ9HQg3zGBuhiUBKMRNDFguMlUZZwjTydDnOzvzLGAv5hLAYEFL X-Received: from tzungbi-z840.tpe.corp.google.com ([2401:fa00:1:b:725a:fff:fe41:c6a5]) (user=tzungbi job=sendgmr) by 2002:a25:f20a:: with SMTP id i10mr33399723ybe.37.1607922664156; Sun, 13 Dec 2020 21:11:04 -0800 (PST) Date: Mon, 14 Dec 2020 13:10:47 +0800 Message-Id: <20201214051047.859110-1-tzungbi@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.29.2.684.gfbc64c5ab5-goog Subject: [PATCH] remoteproc/mediatek: enable MPU for all memory regions in MT8192 SCP From: Tzung-Bi Shih To: ohad@wizery.com, bjorn.andersson@linaro.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201214_001110_301686_AB8B4140 X-CRM114-Status: GOOD ( 10.81 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: matthias.bgg@gmail.com, linux-mediatek@lists.infradead.org, linux-remoteproc@vger.kernel.org, tzungbi@google.com Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Enables MPU for all memory regions in MT8192 SCP. Signed-off-by: Tzung-Bi Shih --- drivers/remoteproc/mtk_common.h | 1 + drivers/remoteproc/mtk_scp.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 94bc54b224ee..5f7cd2336cef 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -47,6 +47,7 @@ #define MT8192_CORE0_SW_RSTN_CLR 0x10000 #define MT8192_CORE0_SW_RSTN_SET 0x10004 +#define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 #define MT8192_CORE0_WDT_CFG 0x10034 #define SCP_FW_VER_LEN 32 diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index f025aba67abc..130c0b9511df 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -369,6 +369,9 @@ static int mt8192_scp_before_load(struct mtk_scp *scp) mt8192_power_on_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); mt8192_power_on_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); + /* enable MPU for all memory regions */ + writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); + return 0; }