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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D199AC433EF for ; Tue, 16 Nov 2021 01:13:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCBD660F5A for ; Tue, 16 Nov 2021 01:13:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354296AbhKPBQB (ORCPT ); Mon, 15 Nov 2021 20:16:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:43004 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244471AbhKOTPE (ORCPT ); Mon, 15 Nov 2021 14:15:04 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 92594632B6; Mon, 15 Nov 2021 18:21:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637000473; bh=A6OVzBYof/SjrMJz25bL99VDMk3icOgup9qlFoiyCRg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iPeZlga4POLGjXTzXuaLqC5iyxgDfloSUxgXO8AD4R8NuDZQAR6LGM/ufZVieJ1yM fvfBuPcy6UjQ18xoGOH6dZDO673MUnk1ZneEScQYVtSnyVHoIfUr+WvcMW3tP9tIWr c57heaP2HN5RjJUAwn16xhEyJWDsEs28UxqKo2yE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Bjorn Andersson , Mathieu Poirier , Peng Fan , Dong Aisheng , Sasha Levin Subject: [PATCH 5.14 671/849] remoteproc: imx_rproc: Fix TCM io memory type Date: Mon, 15 Nov 2021 18:02:34 +0100 Message-Id: <20211115165442.963675767@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165419.961798833@linuxfoundation.org> References: <20211115165419.961798833@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dong Aisheng [ Upstream commit 91bb26637353f35241f5472eedf3202ebe13e2e5 ] is_iomem was introduced in the commit 40df0a91b2a5 ("remoteproc: add is_iomem to da_to_va"), but the driver seemed missed to provide the io type correctly. This patch updates remoteproc driver to indicate the TCM on IMX are io memories. Without the change, remoteproc kick will fail. Cc: Bjorn Andersson Cc: Mathieu Poirier Cc: Peng Fan Reviewed-and-tested-by: Peng Fan Fixes: 79806d32d5aa ("remoteproc: imx_rproc: support i.MX8MN/P") Signed-off-by: Dong Aisheng Signed-off-by: Peng Fan stable Link: https://lore.kernel.org/r/20210910090621.3073540-4-peng.fan@oss.nxp.com Signed-off-by: Mathieu Poirier Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/remoteproc/imx_rproc.c | 35 ++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index d88f76f5305eb..71dcc6dd32e40 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -71,6 +71,7 @@ struct imx_rproc_mem { /* att flags */ /* M4 own area. Can be mapped at probe */ #define ATT_OWN BIT(1) +#define ATT_IOMEM BIT(2) /* address translation table */ struct imx_rproc_att { @@ -117,7 +118,7 @@ struct imx_rproc { static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { /* dev addr , sys addr , size , flags */ /* ITCM */ - { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN }, + { 0x00000000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S */ { 0x00180000, 0x00180000, 0x00009000, 0 }, /* OCRAM */ @@ -131,7 +132,7 @@ static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { /* DDR (Code) - alias */ { 0x10000000, 0x40000000, 0x0FFE0000, 0 }, /* DTCM */ - { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S - alias */ { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, /* OCRAM */ @@ -147,7 +148,7 @@ static const struct imx_rproc_att imx_rproc_att_imx8mn[] = { static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* dev addr , sys addr , size , flags */ /* TCML - alias */ - { 0x00000000, 0x007e0000, 0x00020000, 0 }, + { 0x00000000, 0x007e0000, 0x00020000, ATT_IOMEM}, /* OCRAM_S */ { 0x00180000, 0x00180000, 0x00008000, 0 }, /* OCRAM */ @@ -159,9 +160,9 @@ static const struct imx_rproc_att imx_rproc_att_imx8mq[] = { /* DDR (Code) - alias */ { 0x10000000, 0x80000000, 0x0FFE0000, 0 }, /* TCML */ - { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN }, + { 0x1FFE0000, 0x007E0000, 0x00020000, ATT_OWN | ATT_IOMEM}, /* TCMU */ - { 0x20000000, 0x00800000, 0x00020000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00020000, ATT_OWN | ATT_IOMEM}, /* OCRAM_S */ { 0x20180000, 0x00180000, 0x00008000, ATT_OWN }, /* OCRAM */ @@ -199,12 +200,12 @@ static const struct imx_rproc_att imx_rproc_att_imx7d[] = { /* OCRAM_PXP (Code) - alias */ { 0x00940000, 0x00940000, 0x00008000, 0 }, /* TCML (Code) */ - { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN }, + { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* DDR (Code) - alias, first part of DDR (Data) */ { 0x10000000, 0x80000000, 0x0FFF0000, 0 }, /* TCMU (Data) */ - { 0x20000000, 0x00800000, 0x00008000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* OCRAM (Data) */ { 0x20200000, 0x00900000, 0x00020000, 0 }, /* OCRAM_EPDC (Data) */ @@ -218,18 +219,18 @@ static const struct imx_rproc_att imx_rproc_att_imx7d[] = { static const struct imx_rproc_att imx_rproc_att_imx6sx[] = { /* dev addr , sys addr , size , flags */ /* TCML (M4 Boot Code) - alias */ - { 0x00000000, 0x007F8000, 0x00008000, 0 }, + { 0x00000000, 0x007F8000, 0x00008000, ATT_IOMEM }, /* OCRAM_S (Code) */ { 0x00180000, 0x008F8000, 0x00004000, 0 }, /* OCRAM_S (Code) - alias */ { 0x00180000, 0x008FC000, 0x00004000, 0 }, /* TCML (Code) */ - { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN }, + { 0x1FFF8000, 0x007F8000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* DDR (Code) - alias, first part of DDR (Data) */ { 0x10000000, 0x80000000, 0x0FFF8000, 0 }, /* TCMU (Data) */ - { 0x20000000, 0x00800000, 0x00008000, ATT_OWN }, + { 0x20000000, 0x00800000, 0x00008000, ATT_OWN | ATT_IOMEM }, /* OCRAM_S (Data) - alias? */ { 0x208F8000, 0x008F8000, 0x00004000, 0 }, /* DDR (Data) */ @@ -341,7 +342,7 @@ static int imx_rproc_stop(struct rproc *rproc) } static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, - size_t len, u64 *sys) + size_t len, u64 *sys, bool *is_iomem) { const struct imx_rproc_dcfg *dcfg = priv->dcfg; int i; @@ -354,6 +355,8 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da, unsigned int offset = da - att->da; *sys = att->sa + offset; + if (is_iomem) + *is_iomem = att->flags & ATT_IOMEM; return 0; } } @@ -377,7 +380,7 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len, bool *i * On device side we have many aliases, so we need to convert device * address (M4) to system bus address first. */ - if (imx_rproc_da_to_sys(priv, da, len, &sys)) + if (imx_rproc_da_to_sys(priv, da, len, &sys, is_iomem)) return NULL; for (i = 0; i < IMX_RPROC_MEM_MAX; i++) { @@ -553,8 +556,12 @@ static int imx_rproc_addr_init(struct imx_rproc *priv, if (b >= IMX_RPROC_MEM_MAX) break; - priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, - att->sa, att->size); + if (att->flags & ATT_IOMEM) + priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, + att->sa, att->size); + else + priv->mem[b].cpu_addr = devm_ioremap_wc(&pdev->dev, + att->sa, att->size); if (!priv->mem[b].cpu_addr) { dev_err(dev, "failed to remap %#x bytes from %#x\n", att->size, att->sa); return -ENOMEM; -- 2.33.0