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Sun, 3 May 2020 13:57:03 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 01/13] thermal: imx_scu_thermal: Update driver for i.MX8QM thermal sensor Date: Sun, 3 May 2020 22:19:45 +0800 Message-Id: <20200503141957.14635-2-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:00 +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: df6823c9-2bc8-4cd8-9042-08d7ef69db79 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:361; 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Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/thermal/imx_scu_thermal.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/thermal/imx_scu_thermal.c b/drivers/thermal/imx_scu_thermal.c index 7e17377b69..da13121a09 100644 --- a/drivers/thermal/imx_scu_thermal.c +++ b/drivers/thermal/imx_scu_thermal.c @@ -179,12 +179,20 @@ static int imx_sc_thermal_ofdata_to_platdata(struct udevice *dev) return 0; } +static const sc_rsrc_t imx8qm_sensor_rsrc[] = { + SC_R_A53, SC_R_A72, SC_R_GPU_0_PID0, SC_R_GPU_1_PID0, + SC_R_DRC_0, SC_R_DRC_1, SC_R_VPU_PID0, SC_R_PMIC_0, + SC_R_PMIC_1, SC_R_PMIC_2, +}; + static const sc_rsrc_t imx8qxp_sensor_rsrc[] = { SC_R_SYSTEM, SC_R_DRC_0, SC_R_PMIC_0, SC_R_PMIC_1, SC_R_PMIC_2, }; static const struct udevice_id imx_sc_thermal_ids[] = { + { .compatible = "nxp,imx8qm-sc-tsens", .data = + (ulong)&imx8qm_sensor_rsrc, }, { .compatible = "nxp,imx8qxp-sc-tsens", .data = (ulong)&imx8qxp_sensor_rsrc, }, { } From patchwork Sun May 3 14:19:46 2020 Content-Type: text/plain; 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Sun, 3 May 2020 13:57:06 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan , Ye Li Subject: [PATCH 02/13] thermal: Add thermal driver for i.MX8M Date: Sun, 3 May 2020 22:19:46 +0800 Message-Id: <20200503141957.14635-3-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:03 +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: eed86851-1b86-41ca-58f8-08d7ef69dd17 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:201; 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Users need to provide the tmu node and sensors nodes in DTB. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/thermal/Kconfig | 9 ++ drivers/thermal/Makefile | 1 + drivers/thermal/imx_tmu.c | 325 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 335 insertions(+) create mode 100644 drivers/thermal/imx_tmu.c diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index bdf8dc6fef..97d4163e8e 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -26,6 +26,15 @@ config IMX_SCU_THERMAL boot is hold to the cool device to throttle CPUs when the passive trip is crossed +config IMX_TMU + bool "Thermal Management Unit driver for NXP i.MX8M" + depends on ARCH_IMX8M + help + Support for Temperature sensors on NXP i.MX8M. + It supports one critical trip point and one passive trip point. + The boot is hold to the cool device to throttle CPUs when the + passive trip is crossed + config TI_DRA7_THERMAL bool "Temperature sensor driver for TI dra7xx SOCs" help diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index ef2929d180..15fe847d9f 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_DM_THERMAL) += thermal-uclass.o obj-$(CONFIG_IMX_THERMAL) += imx_thermal.o obj-$(CONFIG_IMX_SCU_THERMAL) += imx_scu_thermal.o obj-$(CONFIG_TI_DRA7_THERMAL) += ti-bandgap.o +obj-$(CONFIG_IMX_TMU) += imx_tmu.o diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c new file mode 100644 index 0000000000..f496ce03b6 --- /dev/null +++ b/drivers/thermal/imx_tmu.c @@ -0,0 +1,325 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2017~2020 NXP + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#define SITES_MAX 16 + +#define TMR_DISABLE 0x0 +#define TMR_ME 0x80000000 +#define TMR_ALPF 0x0c000000 +#define TMTMIR_DEFAULT 0x00000002 +#define TIER_DISABLE 0x0 + +/* + * i.MX TMU Registers + */ +struct imx_tmu_site_regs { + u32 tritsr; /* Immediate Temperature Site Register */ + u32 tratsr; /* Average Temperature Site Register */ + u8 res0[0x8]; +}; + +struct imx_tmu_regs { + u32 tmr; /* Mode Register */ + u32 tsr; /* Status Register */ + u32 tmtmir; /* Temperature measurement interval Register */ + u8 res0[0x14]; + u32 tier; /* Interrupt Enable Register */ + u32 tidr; /* Interrupt Detect Register */ + u32 tiscr; /* Interrupt Site Capture Register */ + u32 ticscr; /* Interrupt Critical Site Capture Register */ + u8 res1[0x10]; + u32 tmhtcrh; /* High Temperature Capture Register */ + u32 tmhtcrl; /* Low Temperature Capture Register */ + u8 res2[0x8]; + u32 tmhtitr; /* High Temperature Immediate Threshold */ + u32 tmhtatr; /* High Temperature Average Threshold */ + u32 tmhtactr; /* High Temperature Average Crit Threshold */ + u8 res3[0x24]; + u32 ttcfgr; /* Temperature Configuration Register */ + u32 tscfgr; /* Sensor Configuration Register */ + u8 res4[0x78]; + struct imx_tmu_site_regs site[SITES_MAX]; + u8 res5[0x9f8]; + u32 ipbrr0; /* IP Block Revision Register 0 */ + u32 ipbrr1; /* IP Block Revision Register 1 */ + u8 res6[0x310]; + u32 ttr0cr; /* Temperature Range 0 Control Register */ + u32 ttr1cr; /* Temperature Range 1 Control Register */ + u32 ttr2cr; /* Temperature Range 2 Control Register */ + u32 ttr3cr; /* Temperature Range 3 Control Register */ +}; + +struct imx_tmu_plat { + int critical; + int alert; + int polling_delay; + int id; + bool zone_node; + struct imx_tmu_regs *regs; +}; + +static int read_temperature(struct udevice *dev, int *temp) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + u32 val; + + do { + val = readl(&pdata->regs->site[pdata->id].tritsr); + } while (!(val & 0x80000000)); + + *temp = (val & 0xff) * 1000; + + return 0; +} + +int imx_tmu_get_temp(struct udevice *dev, int *temp) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + int cpu_tmp = 0; + int ret; + + ret = read_temperature(dev, &cpu_tmp); + if (ret) + return ret; + + while (cpu_tmp >= pdata->alert) { + printf("CPU Temperature (%dC) has beyond alert (%dC), close to critical (%dC)", cpu_tmp, pdata->alert, pdata->critical); + puts(" waiting...\n"); + mdelay(pdata->polling_delay); + ret = read_temperature(dev, &cpu_tmp); + if (ret) + return ret; + } + + *temp = cpu_tmp / 1000; + + return 0; +} + +static const struct dm_thermal_ops imx_tmu_ops = { + .get_temp = imx_tmu_get_temp, +}; + +static int imx_tmu_calibration(struct udevice *dev) +{ + int i, val, len, ret; + u32 range[4]; + const fdt32_t *calibration; + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + + debug("%s\n", __func__); + + ret = dev_read_u32_array(dev, "fsl,tmu-range", range, 4); + if (ret) { + printf("TMU: missing calibration range, ret = %d.\n", ret); + return ret; + } + + /* Init temperature range registers */ + writel(range[0], &pdata->regs->ttr0cr); + writel(range[1], &pdata->regs->ttr1cr); + writel(range[2], &pdata->regs->ttr2cr); + writel(range[3], &pdata->regs->ttr3cr); + + calibration = dev_read_prop(dev, "fsl,tmu-calibration", &len); + if (!calibration || len % 8) { + printf("TMU: invalid calibration data.\n"); + return -ENODEV; + } + + for (i = 0; i < len; i += 8, calibration += 2) { + val = fdt32_to_cpu(*calibration); + writel(val, &pdata->regs->ttcfgr); + val = fdt32_to_cpu(*(calibration + 1)); + writel(val, &pdata->regs->tscfgr); + } + + return 0; +} + +static void imx_tmu_init(struct imx_tmu_plat *pdata) +{ + debug("%s\n", __func__); + + /* Disable monitoring */ + writel(TMR_DISABLE, &pdata->regs->tmr); + + /* Disable interrupt, using polling instead */ + writel(TIER_DISABLE, &pdata->regs->tier); + + /* Set update_interval */ + writel(TMTMIR_DEFAULT, &pdata->regs->tmtmir); +} + +static int imx_tmu_enable_msite(struct udevice *dev) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + u32 reg; + + debug("%s\n", __func__); + + if (!pdata->regs) + return -EIO; + + /* Clear the ME before setting MSITE and ALPF*/ + reg = readl(&pdata->regs->tmr); + reg &= ~TMR_ME; + writel(reg, &pdata->regs->tmr); + + reg |= 1 << (15 - pdata->id); + reg |= TMR_ALPF; + writel(reg, &pdata->regs->tmr); + + /* Enable ME */ + reg |= TMR_ME; + writel(reg, &pdata->regs->tmr); + + return 0; +} + +static int imx_tmu_bind(struct udevice *dev) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + int ret; + ofnode node, offset; + const char *name; + const void *prop; + + debug("%s dev name %s\n", __func__, dev->name); + + prop = dev_read_prop(dev, "compatible", NULL); + if (!prop) + return 0; + + pdata->zone_node = 1; + + node = ofnode_path("/thermal-zones"); + ofnode_for_each_subnode(offset, node) { + /* Bind the subnode to this driver */ + name = ofnode_get_name(offset); + + ret = device_bind_with_driver_data(dev, dev->driver, name, + dev->driver_data, offset, + NULL); + if (ret) + printf("Error binding driver '%s': %d\n", + dev->driver->name, ret); + } + + return 0; +} + +static int imx_tmu_parse_fdt(struct udevice *dev) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev), *p_parent_data; + struct ofnode_phandle_args args; + ofnode trips_np; + int ret; + + debug("%s dev name %s\n", __func__, dev->name); + + if (pdata->zone_node) { + pdata->regs = (struct imx_tmu_regs *)dev_read_addr_ptr(dev); + + if (!pdata->regs) + return -EINVAL; + return 0; + } + + p_parent_data = dev_get_platdata(dev->parent); + if (p_parent_data->zone_node) + pdata->regs = p_parent_data->regs; + + ret = dev_read_phandle_with_args(dev, "thermal-sensors", + "#thermal-sensor-cells", + 0, 0, &args); + if (ret) + return ret; + + if (!ofnode_equal(args.node, dev_ofnode(dev->parent))) + return -EFAULT; + + if (args.args_count >= 1) + pdata->id = args.args[0]; + else + pdata->id = 0; + + debug("args.args_count %d, id %d\n", args.args_count, pdata->id); + + pdata->polling_delay = dev_read_u32_default(dev, "polling-delay", 1000); + + trips_np = ofnode_path("/thermal-zones/cpu-thermal/trips"); + ofnode_for_each_subnode(trips_np, trips_np) { + const char *type; + + type = ofnode_get_property(trips_np, "type", NULL); + if (!type) + continue; + if (!strcmp(type, "critical")) + pdata->critical = ofnode_read_u32_default(trips_np, "temperature", 85); + else if (strcmp(type, "passive") == 0) + pdata->alert = ofnode_read_u32_default(trips_np, "temperature", 80); + else + continue; + } + + debug("id %d polling_delay %d, critical %d, alert %d\n", + pdata->id, pdata->polling_delay, pdata->critical, pdata->alert); + + return 0; +} + +static int imx_tmu_probe(struct udevice *dev) +{ + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + int ret; + + ret = imx_tmu_parse_fdt(dev); + if (ret) { + printf("Error in parsing TMU FDT %d\n", ret); + return ret; + } + + if (pdata->zone_node) { + imx_tmu_init(pdata); + imx_tmu_calibration(dev); + } else { + imx_tmu_enable_msite(dev); + } + + return 0; +} + +static const struct udevice_id imx_tmu_ids[] = { + { .compatible = "fsl,imx8mq-tmu", }, + { } +}; + +U_BOOT_DRIVER(imx_tmu) = { + .name = "imx_tmu", + .id = UCLASS_THERMAL, + .ops = &imx_tmu_ops, + .of_match = imx_tmu_ids, + .bind = imx_tmu_bind, + .probe = imx_tmu_probe, + .platdata_auto_alloc_size = sizeof(struct imx_tmu_plat), + .flags = DM_FLAG_PRE_RELOC, +}; From patchwork Sun May 3 14:19:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281974 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256 header.s=selector2 header.b=gwnC0l+S; 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Sun, 3 May 2020 13:57:08 +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 03/13] thermal: imx_tmu: Add support for thermal sensor on iMX8MM Date: Sun, 3 May 2020 22:19:47 +0800 Message-Id: <20200503141957.14635-4-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:06 +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: 6aca41ac-a0f7-4d9d-7652-08d7ef69de7d X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:335; 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So the Temperature Sensor Monitoring Unit (TMU) has some change accordingly. We use version 2 in TMU driver to represent the new TMU, so the one driver can service for both i.MX8MQ/M. Signed-off-by: Peng Fan --- drivers/thermal/imx_tmu.c | 113 +++++++++++++++++++++++++++++++++++----------- 1 file changed, 86 insertions(+), 27 deletions(-) diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c index f496ce03b6..df0b35b7ba 100644 --- a/drivers/thermal/imx_tmu.c +++ b/drivers/thermal/imx_tmu.c @@ -20,6 +20,7 @@ DECLARE_GLOBAL_DATA_PTR; #define SITES_MAX 16 +#define FLAGS_VER2 0x1 #define TMR_DISABLE 0x0 #define TMR_ME 0x80000000 @@ -27,6 +28,8 @@ DECLARE_GLOBAL_DATA_PTR; #define TMTMIR_DEFAULT 0x00000002 #define TIER_DISABLE 0x0 +#define TER_EN 0x80000000 +#define TER_ADC_PD 0x40000000 /* * i.MX TMU Registers */ @@ -67,22 +70,47 @@ struct imx_tmu_regs { u32 ttr3cr; /* Temperature Range 3 Control Register */ }; +struct imx_tmu_regs_v2 { + u32 ter; /* TMU enable Register */ + u32 tsr; /* Status Register */ + u32 tier; /* Interrupt enable register */ + u32 tidr; /* Interrupt detect register */ + u32 tmhtitr; /* Monitor high temperature immediate threshold register */ + u32 tmhtatr; /* Monitor high temperature average threshold register */ + u32 tmhtactr; /* TMU monitor high temperature average critical threshold register */ + u32 tscr; /* Sensor value capture register */ + u32 tritsr; /* Report immediate temperature site register 0 */ + u32 tratsr; /* Report average temperature site register 0 */ + u32 tasr; /* Amplifier setting register */ + u32 ttmc; /* Test MUX control */ + u32 tcaliv; +}; + +union tmu_regs { + struct imx_tmu_regs regs_v1; + struct imx_tmu_regs_v2 regs_v2; +}; + struct imx_tmu_plat { int critical; int alert; int polling_delay; int id; bool zone_node; - struct imx_tmu_regs *regs; + union tmu_regs *regs; }; static int read_temperature(struct udevice *dev, int *temp) { struct imx_tmu_plat *pdata = dev_get_platdata(dev); + ulong drv_data = dev_get_driver_data(dev); u32 val; do { - val = readl(&pdata->regs->site[pdata->id].tritsr); + if (drv_data & FLAGS_VER2) { + val = readl(&pdata->regs->regs_v2.tritsr); + else + val = readl(&pdata->regs->regs_v1.site[pdata->id].tritsr); } while (!(val & 0x80000000)); *temp = (val & 0xff) * 1000; @@ -124,9 +152,13 @@ static int imx_tmu_calibration(struct udevice *dev) u32 range[4]; const fdt32_t *calibration; struct imx_tmu_plat *pdata = dev_get_platdata(dev); + ulong drv_data = dev_get_driver_data(dev); debug("%s\n", __func__); + if (drv_data & FLAGS_VER2) + return 0; + ret = dev_read_u32_array(dev, "fsl,tmu-range", range, 4); if (ret) { printf("TMU: missing calibration range, ret = %d.\n", ret); @@ -134,10 +166,10 @@ static int imx_tmu_calibration(struct udevice *dev) } /* Init temperature range registers */ - writel(range[0], &pdata->regs->ttr0cr); - writel(range[1], &pdata->regs->ttr1cr); - writel(range[2], &pdata->regs->ttr2cr); - writel(range[3], &pdata->regs->ttr3cr); + writel(range[0], &pdata->regs->regs_v1.ttr0cr); + writel(range[1], &pdata->regs->regs_v1.ttr1cr); + writel(range[2], &pdata->regs->regs_v1.ttr2cr); + writel(range[3], &pdata->regs->regs_v1.ttr3cr); calibration = dev_read_prop(dev, "fsl,tmu-calibration", &len); if (!calibration || len % 8) { @@ -147,31 +179,43 @@ static int imx_tmu_calibration(struct udevice *dev) for (i = 0; i < len; i += 8, calibration += 2) { val = fdt32_to_cpu(*calibration); - writel(val, &pdata->regs->ttcfgr); + writel(val, &pdata->regs->regs_v1.ttcfgr); val = fdt32_to_cpu(*(calibration + 1)); - writel(val, &pdata->regs->tscfgr); + writel(val, &pdata->regs->regs_v1.tscfgr); } return 0; } -static void imx_tmu_init(struct imx_tmu_plat *pdata) +static void imx_tmu_init(struct udevice *dev) { + struct imx_tmu_plat *pdata = dev_get_platdata(dev); + ulong drv_data = dev_get_driver_data(dev); + debug("%s\n", __func__); - /* Disable monitoring */ - writel(TMR_DISABLE, &pdata->regs->tmr); + if (drv_data & FLAGS_VER2) { + /* Disable monitoring */ + writel(0x0, &pdata->regs->regs_v2.ter); + + /* Disable interrupt, using polling instead */ + writel(0x0, &pdata->regs->regs_v2.tier); + } else { + /* Disable monitoring */ + writel(TMR_DISABLE, &pdata->regs->regs_v1.tmr); - /* Disable interrupt, using polling instead */ - writel(TIER_DISABLE, &pdata->regs->tier); + /* Disable interrupt, using polling instead */ + writel(TIER_DISABLE, &pdata->regs->regs_v1.tier); - /* Set update_interval */ - writel(TMTMIR_DEFAULT, &pdata->regs->tmtmir); + /* Set update_interval */ + writel(TMTMIR_DEFAULT, &pdata->regs->regs_v1.tmtmir); + } } static int imx_tmu_enable_msite(struct udevice *dev) { struct imx_tmu_plat *pdata = dev_get_platdata(dev); + ulong drv_data = dev_get_driver_data(dev); u32 reg; debug("%s\n", __func__); @@ -179,18 +223,32 @@ static int imx_tmu_enable_msite(struct udevice *dev) if (!pdata->regs) return -EIO; - /* Clear the ME before setting MSITE and ALPF*/ - reg = readl(&pdata->regs->tmr); - reg &= ~TMR_ME; - writel(reg, &pdata->regs->tmr); + if (drv_data & FLAGS_VER2) { + reg = readl(&pdata->regs->regs_v2.ter); + reg &= ~TER_EN; + writel(reg, &pdata->regs->regs_v2.ter); - reg |= 1 << (15 - pdata->id); - reg |= TMR_ALPF; - writel(reg, &pdata->regs->tmr); + reg &= ~TER_ALPF; + reg |= 0x1; + writel(reg, &pdata->regs->regs_v2.ter); - /* Enable ME */ - reg |= TMR_ME; - writel(reg, &pdata->regs->tmr); + /* Enable monitor */ + reg |= TER_EN; + writel(reg, &pdata->regs->regs_v2.ter); + } else { + /* Clear the ME before setting MSITE and ALPF*/ + reg = readl(&pdata->regs->regs_v1.tmr); + reg &= ~TMR_ME; + writel(reg, &pdata->regs->regs_v1.tmr); + + reg |= 1 << (15 - pdata->id); + reg |= TMR_ALPF; + writel(reg, &pdata->regs->regs_v1.tmr); + + /* Enable ME */ + reg |= TMR_ME; + writel(reg, &pdata->regs->regs_v1.tmr); + } return 0; } @@ -237,7 +295,7 @@ static int imx_tmu_parse_fdt(struct udevice *dev) debug("%s dev name %s\n", __func__, dev->name); if (pdata->zone_node) { - pdata->regs = (struct imx_tmu_regs *)dev_read_addr_ptr(dev); + pdata->regs = (union tmu_regs *)dev_read_addr_ptr(dev); if (!pdata->regs) return -EINVAL; @@ -299,7 +357,7 @@ static int imx_tmu_probe(struct udevice *dev) } if (pdata->zone_node) { - imx_tmu_init(pdata); + imx_tmu_init(dev); imx_tmu_calibration(dev); } else { imx_tmu_enable_msite(dev); @@ -310,6 +368,7 @@ static int imx_tmu_probe(struct udevice *dev) static const struct udevice_id imx_tmu_ids[] = { { .compatible = "fsl,imx8mq-tmu", }, + { .compatible = "fsl,imx8mm-tmu", .data = FLAGS_VER2, }, { } }; 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Sun, 3 May 2020 13:57:10 +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 04/13] thermal: imx_tmu: support TMU arch level initialization Date: Sun, 3 May 2020 22:19:48 +0800 Message-Id: <20200503141957.14635-5-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:08 +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: 7adff5a6-7fe6-4412-eeae-08d7ef69dfe6 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1443; 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So add a interface for arch level initialization. Signed-off-by: Peng Fan --- drivers/thermal/imx_tmu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c index df0b35b7ba..049f32c39e 100644 --- a/drivers/thermal/imx_tmu.c +++ b/drivers/thermal/imx_tmu.c @@ -187,6 +187,10 @@ static int imx_tmu_calibration(struct udevice *dev) return 0; } +void __weak imx_tmu_arch_init(void *reg_base) +{ +} + static void imx_tmu_init(struct udevice *dev) { struct imx_tmu_plat *pdata = dev_get_platdata(dev); @@ -210,6 +214,8 @@ static void imx_tmu_init(struct udevice *dev) /* Set update_interval */ writel(TMTMIR_DEFAULT, &pdata->regs->regs_v1.tmtmir); } + + imx_tmu_arch_init((void *)pdata->regs); } static int imx_tmu_enable_msite(struct udevice *dev) From patchwork Sun May 3 14:19:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281977 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Sun, 3 May 2020 13:57:13 +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 05/13] thermal: imx_tmu: Fix for temperature out of range Date: Sun, 3 May 2020 22:19:49 +0800 Message-Id: <20200503141957.14635-6-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:11 +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: a244bf37-46a7-46ce-bd99-08d7ef69e155 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6790; 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So the polling loop won't go out. Change the codes to retry 10 times with 100ms interval for the Valid bit. If the timeout, we give a warning for the invalid data. Modifed from Ye's NXP patch Signed-off-by: Peng Fan --- drivers/thermal/imx_tmu.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c index 049f32c39e..2a08d5085c 100644 --- a/drivers/thermal/imx_tmu.c +++ b/drivers/thermal/imx_tmu.c @@ -105,15 +105,22 @@ static int read_temperature(struct udevice *dev, int *temp) struct imx_tmu_plat *pdata = dev_get_platdata(dev); ulong drv_data = dev_get_driver_data(dev); u32 val; + u32 retry = 10; do { - if (drv_data & FLAGS_VER2) { + mdelay(100); + retry--; + + if (drv_data & FLAGS_VER2) val = readl(&pdata->regs->regs_v2.tritsr); else val = readl(&pdata->regs->regs_v1.site[pdata->id].tritsr); - } while (!(val & 0x80000000)); + } while (!(val & 0x80000000) && retry > 0); - *temp = (val & 0xff) * 1000; + if (retry > 0) + *temp = (val & 0xff) * 1000; + else + return -EINVAL; return 0; } From patchwork Sun May 3 14:19:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281978 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Sun, 3 May 2020 13:57:15 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan , Ye Li Subject: [PATCH 06/13] thermal: imx_tmu: Check the TEMP range for iMX8MM Date: Sun, 3 May 2020 22:19:50 +0800 Message-Id: <20200503141957.14635-7-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:13 +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: 1966e869-30ff-4b33-52c2-08d7ef69e2e7 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; 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So checking this flag is not reliable. Per IC suggestion, change to read the TEMP/AVG_TEMP directly and check whether it in valid range 10-125C. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/thermal/imx_tmu.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c index 2a08d5085c..c577b0bd6c 100644 --- a/drivers/thermal/imx_tmu.c +++ b/drivers/thermal/imx_tmu.c @@ -106,16 +106,24 @@ static int read_temperature(struct udevice *dev, int *temp) ulong drv_data = dev_get_driver_data(dev); u32 val; u32 retry = 10; + u32 valid = 0; do { mdelay(100); retry--; - if (drv_data & FLAGS_VER2) + if (drv_data & FLAGS_VER2) { val = readl(&pdata->regs->regs_v2.tritsr); - else + /* + * Check if TEMP is in valid range, the V bit in TRITSR + * only reflects the RAW uncalibrated data + */ + valid = ((val & 0xff) < 10 || (val & 0xff) > 125) ? 0 : 1; + } else { val = readl(&pdata->regs->regs_v1.site[pdata->id].tritsr); - } while (!(val & 0x80000000) && retry > 0); + valid = val & 0x80000000; + } + } while (!valid && retry > 0); if (retry > 0) *temp = (val & 0xff) * 1000; 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Sun, 3 May 2020 13:57:18 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Peng Fan , Ye Li Subject: [PATCH 07/13] thermal: imx_tmu: support i.MX8MP Date: Sun, 3 May 2020 22:19:51 +0800 Message-Id: <20200503141957.14635-8-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:15 +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: 0148c3db-7d17-4d3c-02c5-08d7ef69e464 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:372; 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Still uses default 1p HW calibration at 25C and loads calibration parameters from fuse. Signed-off-by: Ye Li Signed-off-by: Peng Fan --- drivers/thermal/imx_tmu.c | 76 ++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 69 insertions(+), 7 deletions(-) diff --git a/drivers/thermal/imx_tmu.c b/drivers/thermal/imx_tmu.c index c577b0bd6c..4ca22089b8 100644 --- a/drivers/thermal/imx_tmu.c +++ b/drivers/thermal/imx_tmu.c @@ -21,6 +21,7 @@ DECLARE_GLOBAL_DATA_PTR; #define SITES_MAX 16 #define FLAGS_VER2 0x1 +#define FLAGS_VER3 0x2 #define TMR_DISABLE 0x0 #define TMR_ME 0x80000000 @@ -30,6 +31,8 @@ DECLARE_GLOBAL_DATA_PTR; #define TER_EN 0x80000000 #define TER_ADC_PD 0x40000000 +#define TER_ALPF 0x3 + /* * i.MX TMU Registers */ @@ -86,9 +89,29 @@ struct imx_tmu_regs_v2 { u32 tcaliv; }; +struct imx_tmu_regs_v3 { + u32 ter; /* TMU enable Register */ + u32 tps; /* Status Register */ + u32 tier; /* Interrupt enable register */ + u32 tidr; /* Interrupt detect register */ + u32 tmhtitr; /* Monitor high temperature immediate threshold register */ + u32 tmhtatr; /* Monitor high temperature average threshold register */ + u32 tmhtactr; /* TMU monitor high temperature average critical threshold register */ + u32 tscr; /* Sensor value capture register */ + u32 tritsr; /* Report immediate temperature site register 0 */ + u32 tratsr; /* Report average temperature site register 0 */ + u32 tasr; /* Amplifier setting register */ + u32 ttmc; /* Test MUX control */ + u32 tcaliv0; + u32 tcaliv1; + u32 tcaliv_m40; + u32 trim; +}; + union tmu_regs { struct imx_tmu_regs regs_v1; struct imx_tmu_regs_v2 regs_v2; + struct imx_tmu_regs_v3 regs_v3; }; struct imx_tmu_plat { @@ -112,7 +135,10 @@ static int read_temperature(struct udevice *dev, int *temp) mdelay(100); retry--; - if (drv_data & FLAGS_VER2) { + if (drv_data & FLAGS_VER3) { + val = readl(&pdata->regs->regs_v3.tritsr); + valid = val & (1 << (30 + pdata->id)); + } else if (drv_data & FLAGS_VER2) { val = readl(&pdata->regs->regs_v2.tritsr); /* * Check if TEMP is in valid range, the V bit in TRITSR @@ -125,10 +151,23 @@ static int read_temperature(struct udevice *dev, int *temp) } } while (!valid && retry > 0); - if (retry > 0) - *temp = (val & 0xff) * 1000; - else + if (retry > 0) { + if (drv_data & FLAGS_VER3) { + val = (val >> (pdata->id * 16)) & 0xff; + if (val & 0x80) /* Negative */ + val = (~(val & 0x7f) + 1); + + *temp = val; + if (*temp < -40 || *temp > 125) /* Check the range */ + return -EINVAL; + + *temp *= 1000; + } else { + *temp = (val & 0xff) * 1000; + } + } else { return -EINVAL; + } return 0; } @@ -171,7 +210,7 @@ static int imx_tmu_calibration(struct udevice *dev) debug("%s\n", __func__); - if (drv_data & FLAGS_VER2) + if (drv_data & (FLAGS_VER2 | FLAGS_VER3)) return 0; ret = dev_read_u32_array(dev, "fsl,tmu-range", range, 4); @@ -213,7 +252,14 @@ static void imx_tmu_init(struct udevice *dev) debug("%s\n", __func__); - if (drv_data & FLAGS_VER2) { + if (drv_data & FLAGS_VER3) { + /* Disable monitoring */ + writel(0x0, &pdata->regs->regs_v3.ter); + + /* Disable interrupt, using polling instead */ + writel(0x0, &pdata->regs->regs_v3.tier); + + } else if (drv_data & FLAGS_VER2) { /* Disable monitoring */ writel(0x0, &pdata->regs->regs_v2.ter); @@ -244,7 +290,22 @@ static int imx_tmu_enable_msite(struct udevice *dev) if (!pdata->regs) return -EIO; - if (drv_data & FLAGS_VER2) { + if (drv_data & FLAGS_VER3) { + reg = readl(&pdata->regs->regs_v3.ter); + reg &= ~TER_EN; + writel(reg, &pdata->regs->regs_v3.ter); + + writel(pdata->id << 30, &pdata->regs->regs_v3.tps); + + reg &= ~TER_ALPF; + reg |= 0x1; + reg &= ~TER_ADC_PD; + writel(reg, &pdata->regs->regs_v3.ter); + + /* Enable monitor */ + reg |= TER_EN; + writel(reg, &pdata->regs->regs_v3.ter); + } else if (drv_data & FLAGS_VER2) { reg = readl(&pdata->regs->regs_v2.ter); reg &= ~TER_EN; writel(reg, &pdata->regs->regs_v2.ter); @@ -390,6 +451,7 @@ static int imx_tmu_probe(struct udevice *dev) static const struct udevice_id imx_tmu_ids[] = { { .compatible = "fsl,imx8mq-tmu", }, { .compatible = "fsl,imx8mm-tmu", .data = FLAGS_VER2, }, + { .compatible = "fsl,imx8mp-tmu", .data = FLAGS_VER3, }, { } }; From patchwork Sun May 3 14:19:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281980 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Sun, 3 May 2020 13:57:20 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 08/13] imx8mm: Load fuse for TMU TCALIV and TASR Date: Sun, 3 May 2020 22:19:52 +0800 Message-Id: <20200503141957.14635-9-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:18 +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: 958c9661-2be4-45c8-9433-08d7ef69e5e5 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1728; 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HW won't do this, it expect SW loads them before using TMU. Reviewed-by: Bai Ping Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 28 +++++++++++++++++++++++++++- 1 file changed, 27 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 7fcbd53f30..6567936f4b 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright 2017 NXP + * Copyright 2017-2019 NXP * * Peng Fan */ @@ -400,3 +400,29 @@ void reset_cpu(ulong addr) } } #endif + +void imx_tmu_arch_init(void *reg_base) +{ + if (is_imx8mm()) { + /* Load TCALIV and TASR from fuses */ + struct ocotp_regs *ocotp = + (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[3]; + struct fuse_bank3_regs *fuse = + (struct fuse_bank3_regs *)bank->fuse_regs; + + u32 tca_rt, tca_hr, tca_en; + u32 buf_vref, buf_slope; + + tca_rt = fuse->ana0 & 0xFF; + tca_hr = (fuse->ana0 & 0xFF00) >> 8; + tca_en = (fuse->ana0 & 0x2000000) >> 25; + + buf_vref = (fuse->ana0 & 0x1F00000) >> 20; + buf_slope = (fuse->ana0 & 0xF0000) >> 16; + + writel(buf_vref | (buf_slope << 16), (ulong)reg_base + 0x28); + writel((tca_en << 31) | (tca_hr << 16) | tca_rt, + (ulong)reg_base + 0x30); + } +} From patchwork Sun May 3 14:19:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281981 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256 header.s=selector2 header.b=PJ2SKDaG; 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Sun, 3 May 2020 13:57:23 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 09/13] imx: i.MX8MN: Enable loading TASR and TCALIV from fuse Date: Sun, 3 May 2020 22:19:53 +0800 Message-Id: <20200503141957.14635-10-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:21 +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: 8b4d5451-9b1a-440a-ecf6-08d7ef69e76e X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1443; 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Otherwise the calibration is not exact. Reviewed-by: Anson Huang Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 6567936f4b..1f42455aa0 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -403,7 +403,7 @@ void reset_cpu(ulong addr) void imx_tmu_arch_init(void *reg_base) { - if (is_imx8mm()) { + if (is_imx8mm() || is_imx8mn()) { /* Load TCALIV and TASR from fuses */ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; From patchwork Sun May 3 14:19:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281982 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Sun, 3 May 2020 13:57:26 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 10/13] imx: load calibration parameters from fuse for i.MX8MP Date: Sun, 3 May 2020 22:19:54 +0800 Message-Id: <20200503141957.14635-11-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:23 +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: 6d7210d3-8fa4-41c4-2ad2-08d7ef69e90d X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2582; 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The driver still uses default 1p HW calibration at 25C and loads calibration parameters from fuse. Reviewed-by: Peng Fan Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 45 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 1f42455aa0..adb444b240 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -425,4 +425,49 @@ void imx_tmu_arch_init(void *reg_base) writel((tca_en << 31) | (tca_hr << 16) | tca_rt, (ulong)reg_base + 0x30); } +#ifdef CONFIG_IMX8MP + /* Load TCALIV0/1/m40 and TRIM from fuses */ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[38]; + struct fuse_bank38_regs *fuse = + (struct fuse_bank38_regs *)bank->fuse_regs; + struct fuse_bank *bank2 = &ocotp->bank[39]; + struct fuse_bank39_regs *fuse2 = + (struct fuse_bank39_regs *)bank2->fuse_regs; + u32 buf_vref, buf_slope, bjt_cur, vlsb, bgr; + u32 reg; + u32 tca40[2], tca25[2], tca105[2]; + + /* For blank sample */ + if (!fuse->ana_trim2 && !fuse->ana_trim3 && + !fuse->ana_trim4 && !fuse2->ana_trim5) { + /* Use a default 25C binary codes */ + tca25[0] = 1596; + writel(tca25[0], (ulong)reg_base + 0x30); + return; + } + + buf_vref = (fuse->ana_trim2 & 0xc0) >> 6; + buf_slope = (fuse->ana_trim2 & 0xF00) >> 8; + bjt_cur = (fuse->ana_trim2 & 0xF000) >> 12; + bgr = (fuse->ana_trim2 & 0xF0000) >> 16; + vlsb = (fuse->ana_trim2 & 0xF00000) >> 20; + writel(buf_vref | (buf_slope << 16), (ulong)reg_base + 0x28); + + reg = (bgr << 28) | (bjt_cur << 20) | (vlsb << 12) | (1 << 7); + writel(reg, (ulong)reg_base + 0x3c); + + tca40[0] = (fuse->ana_trim3 & 0xFFF0000) >> 16; + tca25[0] = (fuse->ana_trim3 & 0xF0000000) >> 28; + tca25[0] |= ((fuse->ana_trim4 & 0xFF) << 4); + tca105[0] = (fuse->ana_trim4 & 0xFFF00) >> 8; + tca40[1] = (fuse->ana_trim4 & 0xFFF00000) >> 20; + tca25[1] = fuse2->ana_trim5 & 0xFFF; + tca105[1] = (fuse2->ana_trim5 & 0xFFF000) >> 12; + + /* use 25c for 1p calibration */ + writel(tca25[0] | (tca105[0] << 16), (ulong)reg_base + 0x30); + writel(tca25[1] | (tca105[1] << 16), (ulong)reg_base + 0x34); + writel(tca40[0] | (tca40[1] << 16), (ulong)reg_base + 0x38); 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Sun, 3 May 2020 13:57:28 +0000 From: Peng Fan To: sbabic@denx.de, festevam@gmail.com Cc: uboot-imx@nxp.com, u-boot@lists.denx.de, Ye Li , Peng Fan Subject: [PATCH 11/13] imx8mp: Set default SNSR25C for TMU probe1 Date: Sun, 3 May 2020 22:19:55 +0800 Message-Id: <20200503141957.14635-12-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:26 +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: 7439c1b6-56e1-457a-7705-08d7ef69ea8a X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:389; 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However, kernel enables two probes. So it also needs to set default SNSR25C of TCALIV1 for blank samples. Reviewed-by: Peng Fan Signed-off-by: Ye Li Signed-off-by: Peng Fan --- arch/arm/mach-imx/imx8m/soc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index adb444b240..c1e0f01f90 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -443,7 +443,9 @@ void imx_tmu_arch_init(void *reg_base) !fuse->ana_trim4 && !fuse2->ana_trim5) { /* Use a default 25C binary codes */ tca25[0] = 1596; + tca25[1] = 1596; writel(tca25[0], (ulong)reg_base + 0x30); + writel(tca25[1], (ulong)reg_base + 0x34); return; } From patchwork Sun May 3 14:19:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281984 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; 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Sun, 3 May 2020 13:57:31 +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 12/13] imx: regs: add more fuse bank structure Date: Sun, 3 May 2020 22:19:56 +0800 Message-Id: <20200503141957.14635-13-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:28 +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: b7006d35-c22c-4159-0d92-08d7ef69ebf8 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2089; 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Signed-off-by: Peng Fan --- arch/arm/include/asm/arch-imx8m/imx-regs.h | 41 +++++++++++++++++++++++++----- 1 file changed, 34 insertions(+), 7 deletions(-) diff --git a/arch/arm/include/asm/arch-imx8m/imx-regs.h b/arch/arm/include/asm/arch-imx8m/imx-regs.h index 62640d996e..3cfa169c97 100644 --- a/arch/arm/include/asm/arch-imx8m/imx-regs.h +++ b/arch/arm/include/asm/arch-imx8m/imx-regs.h @@ -137,6 +137,40 @@ struct fuse_bank1_regs { u32 rsvd3[3]; }; +struct fuse_bank3_regs { + u32 mem_trim0; + u32 rsvd0[3]; + u32 mem_trim1; + u32 rsvd1[3]; + u32 mem_trim2; + u32 rsvd2[3]; + u32 ana0; + u32 rsvd3[3]; +}; + +struct fuse_bank9_regs { + u32 mac_addr0; + u32 rsvd0[3]; + u32 mac_addr1; + u32 rsvd1[11]; +}; + +struct fuse_bank38_regs { + u32 ana_trim1; /* trim0 is at 0xD70, bank 37*/ + u32 rsvd0[3]; + u32 ana_trim2; + u32 rsvd1[3]; + u32 ana_trim3; + u32 rsvd2[3]; + u32 ana_trim4; + u32 rsvd3[3]; +}; + +struct fuse_bank39_regs { + u32 ana_trim5; + u32 rsvd[15]; +}; + #ifdef CONFIG_IMX8MQ struct anamix_pll { u32 audio_pll1_cfg0; @@ -227,13 +261,6 @@ struct anamix_pll { }; #endif -struct fuse_bank9_regs { - u32 mac_addr0; - u32 rsvd0[3]; - u32 mac_addr1; - u32 rsvd1[11]; -}; - /* System Reset Controller (SRC) */ struct src { u32 scr; From patchwork Sun May 3 14:19:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1281985 X-Patchwork-Delegate: sbabic@denx.de Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.a=rsa-sha256 header.s=selector2 header.b=gyq7HC3W; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49FSKm5cnhz9sRY for ; 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Sun, 3 May 2020 13:57:33 +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 13/13] imx: cpu: support tmu Date: Sun, 3 May 2020 22:19:57 +0800 Message-Id: <20200503141957.14635-14-peng.fan@nxp.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200503141957.14635-1-peng.fan@nxp.com> References: <20200503141957.14635-1-peng.fan@nxp.com> X-ClientProxiedBy: SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) 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 SG2PR01CA0107.apcprd01.prod.exchangelabs.com (2603:1096:3:15::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19 via Frontend Transport; Sun, 3 May 2020 13:57:31 +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: 0d3e018c-a39d-4823-5a78-08d7ef69ed63 X-MS-TrafficTypeDiagnostic: DB6PR0402MB2808:|DB6PR0402MB2808: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:346; 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-#if defined(CONFIG_IMX_THERMAL) +#if defined(CONFIG_IMX_THERMAL) || defined(CONFIG_IMX_TMU) struct udevice *thermal_dev; int cpu_tmp, minc, maxc, ret; @@ -177,7 +177,7 @@ int print_cpuinfo(void) mxc_get_clock(MXC_ARM_CLK) / 1000000); #endif -#if defined(CONFIG_IMX_THERMAL) +#if defined(CONFIG_IMX_THERMAL) || defined(CONFIG_IMX_TMU) puts("CPU: "); switch (get_cpu_temp_grade(&minc, &maxc)) { case TEMP_AUTOMOTIVE: