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Mon, 11 May 2020 09:25:45 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan Subject: [PATCH 4/6] imx8: fuse: use arm_smccc_smc Date: Mon, 11 May 2020 17:48:35 +0800 Message-Id: <20200511094837.8572-5-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200511094837.8572-1-peng.fan@nxp.com> References: <20200511094837.8572-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0143.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::23) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR01CA0143.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.26 via Frontend Transport; Mon, 11 May 2020 09:25:43 +0000 X-Mailer: git-send-email 2.16.4 X-Originating-IP: [119.31.174.71] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 434ee30e-24ec-4db4-414a-08d7f58d485c X-MS-TrafficTypeDiagnostic: DB6PR0402MB2853:|DB6PR0402MB2853: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:298; 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@@ -36,22 +37,24 @@ int fuse_read(u32 bank, u32 word, u32 *val) int fuse_sense(u32 bank, u32 word, u32 *val) { - unsigned long ret = 0, value = 0; + struct arm_smccc_res res; if (bank != 0) { printf("Invalid bank argument, ONLY bank 0 is supported\n"); return -EINVAL; } - ret = call_imx_sip_ret2(FSL_SIP_OTP_READ, (unsigned long)word, &value, - 0, 0); - *val = (u32)value; + arm_smccc_smc(FSL_SIP_OTP_READ, (unsigned long)word, 0, 0, + 0, 0, 0, 0, &res); + *val = (u32)res.a1; - return ret; + return res.a0; } int fuse_prog(u32 bank, u32 word, u32 val) { + struct arm_smccc_res res; + if (bank != 0) { printf("Invalid bank argument, ONLY bank 0 is supported\n"); return -EINVAL; @@ -78,8 +81,10 @@ int fuse_prog(u32 bank, u32 word, u32 val) } } - return call_imx_sip(FSL_SIP_OTP_WRITE, (unsigned long)word, - (unsigned long)val, 0, 0); + arm_smccc_smc(FSL_SIP_OTP_WRITE, (unsigned long)word, + (unsigned long)val, 0, 0, 0, 0, 0, &res); + + return res.a0; } int fuse_override(u32 bank, u32 word, u32 val)