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Index: head/sys/arm/allwinner/aw_sid.h
===================================================================
--- head/sys/arm/allwinner/aw_sid.h
+++ head/sys/arm/allwinner/aw_sid.h
@@ -0,0 +1,34 @@
+/*-
+ * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __AW_SID_H__
+#define __AW_SID_H__
+
+int aw_sid_read_tscalib(uint32_t *, uint32_t *);
+
+#endif /* !__AW_SID_H__ */
Index: head/sys/arm/allwinner/aw_sid.c
===================================================================
--- head/sys/arm/allwinner/aw_sid.c
+++ head/sys/arm/allwinner/aw_sid.c
@@ -0,0 +1,135 @@
+/*-
+ * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Allwinner secure ID controller
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <machine/bus.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/allwinner/aw_sid.h>
+
+#define SID_SRAM 0x200
+#define SID_THERMAL_CALIB0 (SID_SRAM + 0x34)
+#define SID_THERMAL_CALIB1 (SID_SRAM + 0x38)
+
+static struct ofw_compat_data compat_data[] = {
+ { "allwinner,sun8i-a83t-sid", 1 },
+ { NULL, 0 }
+};
+
+struct aw_sid_softc {
+ struct resource *res;
+};
+
+static struct aw_sid_softc *aw_sid_sc;
+
+static struct resource_spec aw_sid_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+#define RD4(sc, reg) bus_read_4((sc)->res, (reg))
+#define WR4(sc, reg, val) bus_write_4((sc)->res, (reg), (val))
+
+static int
+aw_sid_probe(device_t dev)
+{
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
+ return (ENXIO);
+
+ device_set_desc(dev, "Allwinner Secure ID Controller");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+aw_sid_attach(device_t dev)
+{
+ struct aw_sid_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (bus_alloc_resources(dev, aw_sid_spec, &sc->res) != 0) {
+ device_printf(dev, "cannot allocate resources for device\n");
+ return (ENXIO);
+ }
+
+ aw_sid_sc = sc;
+
+ return (0);
+}
+
+int
+aw_sid_read_tscalib(uint32_t *calib0, uint32_t *calib1)
+{
+ struct aw_sid_softc *sc;
+
+ sc = aw_sid_sc;
+ if (sc == NULL)
+ return (ENXIO);
+
+ *calib0 = RD4(sc, SID_THERMAL_CALIB0);
+ *calib1 = RD4(sc, SID_THERMAL_CALIB1);
+
+ return (0);
+}
+
+static device_method_t aw_sid_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, aw_sid_probe),
+ DEVMETHOD(device_attach, aw_sid_attach),
+
+ DEVMETHOD_END
+};
+
+static driver_t aw_sid_driver = {
+ "aw_sid",
+ aw_sid_methods,
+ sizeof(struct aw_sid_softc),
+};
+
+static devclass_t aw_sid_devclass;
+
+EARLY_DRIVER_MODULE(aw_sid, simplebus, aw_sid_driver, aw_sid_devclass, 0, 0,
+ BUS_PASS_RESOURCE + BUS_PASS_ORDER_FIRST);
+MODULE_VERSION(aw_sid, 1);
Index: head/sys/arm/allwinner/aw_thermal.c
===================================================================
--- head/sys/arm/allwinner/aw_thermal.c
+++ head/sys/arm/allwinner/aw_thermal.c
@@ -0,0 +1,232 @@
+/*-
+ * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Allwinner thermal sensor controller
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/rman.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
+#include <sys/module.h>
+#include <machine/bus.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <arm/allwinner/aw_sid.h>
+
+#define THS_CTRL0 0x00
+#define THS_CTRL2 0x40
+#define SENSOR_ACQ1_SHIFT 16
+#define SENSOR2_EN (1 << 2)
+#define SENSOR1_EN (1 << 1)
+#define SENSOR0_EN (1 << 0)
+#define THS_INTC 0x44
+#define THS_INTS 0x48
+#define THS_FILTER 0x70
+#define FILTER_EN (1 << 2)
+#define THS_CALIB0 0x74
+#define THS_CALIB1 0x78
+#define THS_DATA0 0x80
+#define THS_DATA1 0x84
+#define THS_DATA2 0x88
+#define DATA_MASK 0xfff
+
+#define TEMP_BASE 2719
+#define TEMP_MUL 1000
+#define TEMP_DIV 14186
+#define TEMP_TO_K 273
+#define ADC_ACQUIRE_TIME (24 - 1)
+#define SENSOR_ENABLE_ALL (SENSOR0_EN|SENSOR1_EN|SENSOR2_EN)
+
+enum aw_thermal_sensor {
+ THS_SENSOR_CPU_CLUSTER0,
+ THS_SENSOR_CPU_CLUSTER1,
+ THS_SENSOR_GPU,
+ THS_SENSOR_END = -1
+};
+
+struct aw_thermal_sensor_config {
+ enum aw_thermal_sensor sensor;
+ const char *name;
+ const char *desc;
+};
+
+static const struct aw_thermal_sensor_config a83t_sensor_config[] = {
+ { .sensor = THS_SENSOR_CPU_CLUSTER0,
+ .name = "cluster0", .desc = "CPU cluster 0 temperature" },
+ { .sensor = THS_SENSOR_CPU_CLUSTER1,
+ .name = "cluster1", .desc = "CPU cluster 1 temperature" },
+ { .sensor = THS_SENSOR_GPU,
+ .name = "gpu", .desc = "GPU temperature" },
+ { .sensor = THS_SENSOR_END }
+};
+
+static struct ofw_compat_data compat_data[] = {
+ { "allwinner,sun8i-a83t-ts", (uintptr_t)&a83t_sensor_config },
+ { NULL, (uintptr_t)NULL }
+};
+
+#define THS_CONF(d) \
+ (void *)ofw_bus_search_compatible((d), compat_data)->ocd_data
+
+struct aw_thermal_softc {
+ struct resource *res;
+ struct aw_thermal_sensor_config *conf;
+};
+
+static struct resource_spec aw_thermal_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+#define RD4(sc, reg) bus_read_4((sc)->res, (reg))
+#define WR4(sc, reg, val) bus_write_4((sc)->res, (reg), (val))
+
+static int
+aw_thermal_init(struct aw_thermal_softc *sc)
+{
+ uint32_t calib0, calib1;
+ int error;
+
+ /* Read calibration settings from SRAM */
+ error = aw_sid_read_tscalib(&calib0, &calib1);
+ if (error != 0)
+ return (error);
+
+ /* Write calibration settings to thermal controller */
+ WR4(sc, THS_CALIB0, calib0);
+ WR4(sc, THS_CALIB1, calib1);
+
+ /* Configure ADC acquire time (CLK_IN/(N+1)) and enable sensors */
+ WR4(sc, THS_CTRL0, ADC_ACQUIRE_TIME);
+ WR4(sc, THS_CTRL2, (ADC_ACQUIRE_TIME << SENSOR_ACQ1_SHIFT) |
+ SENSOR_ENABLE_ALL);
+
+ /* Disable interrupts */
+ WR4(sc, THS_INTC, 0);
+ WR4(sc, THS_INTS, RD4(sc, THS_INTS));
+
+ /* Enable average filter */
+ WR4(sc, THS_FILTER, RD4(sc, THS_FILTER) | FILTER_EN);
+
+ return (0);
+}
+
+static int
+aw_thermal_gettemp(uint32_t val)
+{
+ int raw;
+
+ raw = val & DATA_MASK;
+ return (((TEMP_BASE - raw) * TEMP_MUL) / TEMP_DIV) + TEMP_TO_K;
+}
+
+static int
+aw_thermal_sysctl(SYSCTL_HANDLER_ARGS)
+{
+ struct aw_thermal_softc *sc;
+ enum aw_thermal_sensor sensor;
+ int val;
+
+ sc = arg1;
+ sensor = arg2;
+
+ val = aw_thermal_gettemp(RD4(sc, THS_DATA0 + (sensor * 4)));
+
+ return sysctl_handle_opaque(oidp, &val, sizeof(val), req);
+}
+
+static int
+aw_thermal_probe(device_t dev)
+{
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (THS_CONF(dev) == NULL)
+ return (ENXIO);
+
+ device_set_desc(dev, "Allwinner Thermal Sensor Controller");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+aw_thermal_attach(device_t dev)
+{
+ struct aw_thermal_softc *sc;
+ int i;
+
+ sc = device_get_softc(dev);
+
+ sc->conf = THS_CONF(dev);
+
+ if (bus_alloc_resources(dev, aw_thermal_spec, &sc->res) != 0) {
+ device_printf(dev, "cannot allocate resources for device\n");
+ return (ENXIO);
+ }
+
+ if (aw_thermal_init(sc) != 0)
+ return (ENXIO);
+
+ for (i = 0; sc->conf[i].sensor != THS_SENSOR_END; i++)
+ SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
+ SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
+ OID_AUTO, sc->conf[i].name,
+ CTLTYPE_INT | CTLFLAG_RD,
+ sc, sc->conf[i].sensor, aw_thermal_sysctl, "IK0",
+ sc->conf[i].desc);
+
+ return (0);
+}
+
+static device_method_t aw_thermal_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, aw_thermal_probe),
+ DEVMETHOD(device_attach, aw_thermal_attach),
+
+ DEVMETHOD_END
+};
+
+static driver_t aw_thermal_driver = {
+ "aw_thermal",
+ aw_thermal_methods,
+ sizeof(struct aw_thermal_softc),
+};
+
+static devclass_t aw_thermal_devclass;
+
+DRIVER_MODULE(aw_thermal, simplebus, aw_thermal_driver, aw_thermal_devclass,
+ 0, 0);
+MODULE_VERSION(aw_thermal, 1);
Index: head/sys/arm/allwinner/files.allwinner
===================================================================
--- head/sys/arm/allwinner/files.allwinner
+++ head/sys/arm/allwinner/files.allwinner
@@ -24,6 +24,8 @@
arm/allwinner/if_emac.c optional emac
arm/allwinner/sunxi_dma_if.m standard
dev/iicbus/twsi/a10_twsi.c optional twsi
+arm/allwinner/aw_sid.c standard
+arm/allwinner/aw_thermal.c standard
#arm/allwinner/console.c standard
arm/allwinner/a10_fb.c optional vt
Index: head/sys/boot/fdt/dts/arm/a83t.dtsi
===================================================================
--- head/sys/boot/fdt/dts/arm/a83t.dtsi
+++ head/sys/boot/fdt/dts/arm/a83t.dtsi
@@ -185,6 +185,18 @@
#address-cells = <1>;
#size-cells = <0>;
};
+
+ sid: eeprom@01c14000 {
+ compatible = "allwinner,sun8i-a83t-sid";
+ reg = <0x01c14000 0x400>;
+ };
+
+ rtp: rtp@01f04000 {
+ compatible = "allwinner,sun8i-a83t-ts";
+ reg = <0x01f04000 0x400>;
+ interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+ #thermal-sensor-cells = <0>;
+ };
};
};

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