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Wed, 21 Apr 2021 02:36:14 +0000 From: peng.fan@oss.nxp.com To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan Subject: [PATCH V5 5/8] remoteproc: imx_rproc: initial support for mutilple start/stop method Date: Wed, 21 Apr 2021 10:20:19 +0800 Message-Id: <1618971622-30539-6-git-send-email-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1618971622-30539-1-git-send-email-peng.fan@oss.nxp.com> References: <1618971622-30539-1-git-send-email-peng.fan@oss.nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK2PR02CA0204.apcprd02.prod.outlook.com (2603:1096:201:20::16) 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 HK2PR02CA0204.apcprd02.prod.outlook.com (2603:1096:201:20::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.4065.20 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4fcc3924-277e-40cd-b120-08d9046e3813 X-MS-Exchange-CrossTenant-AuthSource: DB6PR0402MB2760.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Apr 2021 02:36:08.4983 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mPqc83FQ1x/p+HcGlg62BmaNfa1xxQjHZKwVsjLMxhtu/UfijM21f9vIQ6D9iVSIdvFVZVyL2dSv8n9FgZpI+A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB8313 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org From: Peng Fan Add three methods IMX_RPROC_NONE(no need start/stop), IMX_RPROC_MMIO (start/stop through mmio) and IMX_RPROC_SMC(start/stop through ARM SMCCC). The current SoCs supported are all using IMX_RPROC_MMIO. Signed-off-by: Peng Fan Reviewed-by: Mathieu Poirier --- drivers/remoteproc/imx_rproc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index 06dac92e98e6..6289aeae95b6 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -74,6 +74,15 @@ struct imx_rproc_att { int flags; }; +/* Remote core start/stop method */ +enum imx_rproc_method { + IMX_RPROC_NONE, + /* Through syscon regmap */ + IMX_RPROC_MMIO, + /* Through ARM SMCCC */ + IMX_RPROC_SMC, +}; + struct imx_rproc_dcfg { u32 src_reg; u32 src_mask; @@ -81,6 +90,7 @@ struct imx_rproc_dcfg { u32 src_stop; const struct imx_rproc_att *att; size_t att_size; + enum imx_rproc_method method; }; struct imx_rproc { @@ -183,6 +193,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx8mq = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx8mq, .att_size = ARRAY_SIZE(imx_rproc_att_imx8mq), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { @@ -192,6 +203,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx7d = { .src_stop = IMX7D_M4_STOP, .att = imx_rproc_att_imx7d, .att_size = ARRAY_SIZE(imx_rproc_att_imx7d), + .method = IMX_RPROC_MMIO, }; static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { @@ -201,6 +213,7 @@ static const struct imx_rproc_dcfg imx_rproc_cfg_imx6sx = { .src_stop = IMX6SX_M4_STOP, .att = imx_rproc_att_imx6sx, .att_size = ARRAY_SIZE(imx_rproc_att_imx6sx), + .method = IMX_RPROC_MMIO, }; static int imx_rproc_start(struct rproc *rproc)