From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 51FC0332EA8 for ; Fri, 17 Oct 2025 11:42:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760701366; cv=none; b=XRpuErK/VeyHMBB0kA+KWmT2lSAxbkdBMEEbcWAuzzeaNHkzaiAfRKtNt6Jr8jDDN0MgzoSMuiEravsPyXhVMnZJzgdeXhppfyxlF56CJWx/1+VzYSALGpLy4a5OIXNEe7H66aNcmZNJL0p4CWwf432FzoIdWxDKmvYvl6aFEjA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760701366; c=relaxed/simple; bh=t6i1B2krwl1c9mzIngvGk2XlK6LF/1iB+CVQxfWJasE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=rnajGRg0y4HEslSLt0Tiq1Zs3lIpaS5K3J+xAf66j5L8u5luCElW3fgD/7OiKV4ZMUtc/JZIJu/ry7MiNyl/FMJkwCKx/pd2g282vOYkA8rXBc7f4FcVL1709Dz5mN9ks8Bx67rPg33RLd/x5oIcMMvr7Uz28oFcOdm58nbbvvQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=aKPb+ZpV; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="aKPb+ZpV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; s=k1; bh=zWQPorf99Hlq9Z Z1yOv2MxprEKjeiEs9Q60oJtHn5A8=; b=aKPb+ZpVeVLttqgGuW3YjswVpfoCtI xAExIXtnJysYf6HY+nIqKc7+SqyZHPJH0cfmRMieLaH1m+cUVSbF1JRjw4/u/Pz8 gGTig09Q/S2WbxGlJS6ll+8BWbu7xptqFMgR5nsadEUFEByCTos9yiAJcYK2rv2J 7eX9JqRQ/kLLkP/k3d5R6FV1G0jnwWLBPy/O1cBlqB9v0F308YMUy87Uw+QjspXC PnKSFo4lKVYKqCGFsNx0r4sgpAJR1O6ar9MGsE8Jrt3t2M3dxTo0uWx2wyxG/YUp xlJ6+XZL9mmURZCJsC0RCsi/IV8n7208NqaAgqz17ef4PSKW5/gpIa6A== Received: (qmail 15432 invoked from network); 17 Oct 2025 13:42:42 +0200 Received: by mail.zeus03.de with UTF8SMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 17 Oct 2025 13:42:42 +0200 X-UD-Smtp-Session: l3s3148p1@ulE5O1lBerogAwDPXwQHAL/S9V79e5yL From: Wolfram Sang To: linux-renesas-soc@vger.kernel.org Cc: Wolfram Sang , Geert Uytterhoeven , Magnus Damm Subject: [PATCH] soc: renesas: rcar-rst: keep RESBAR2S in default state Date: Fri, 17 Oct 2025 13:42:34 +0200 Message-ID: <20251017114234.2968-2-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Unlike Gen2, Gen4 has bit 15 of WDTRSTCR register also used. Keep it in the default state for the V3U firmware workaround. Signed-off-by: Wolfram Sang --- drivers/soc/renesas/rcar-rst.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c index 7ba02f3a4a4f..0541990901fc 100644 --- a/drivers/soc/renesas/rcar-rst.c +++ b/drivers/soc/renesas/rcar-rst.c @@ -12,6 +12,7 @@ #define WDTRSTCR_RESET 0xA55A0002 #define WDTRSTCR 0x0054 +#define GEN4_WDTRSTCR_RESET 0xA55A8002 #define GEN4_WDTRSTCR 0x0010 #define CR7BAR 0x0070 @@ -30,7 +31,7 @@ static int rcar_rst_enable_wdt_reset(void __iomem *base) static int rcar_rst_v3u_enable_wdt_reset(void __iomem *base) { - iowrite32(WDTRSTCR_RESET, base + GEN4_WDTRSTCR); + iowrite32(GEN4_WDTRSTCR_RESET, base + GEN4_WDTRSTCR); return 0; } -- 2.47.2