diff options
| author | Adrian Chadd <adrian@FreeBSD.org> | 2026-04-10 22:09:58 +0000 |
|---|---|---|
| committer | Adrian Chadd <adrian@FreeBSD.org> | 2026-04-10 22:12:11 +0000 |
| commit | 4e3fdced7f78c067e048c4d9ec42341c30b7899d (patch) | |
| tree | 9ce7b4aed180235f2b6c3fef3a9d91a9c3a40c79 /sys/dev/qcom_gcc | |
| parent | 87bea33a67cad31661a6fb9ea4c62a5fc266cd98 (diff) | |
Diffstat (limited to 'sys/dev/qcom_gcc')
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_clock.c | 3 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_ipq4018_reset.c | 9 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_main.c | 22 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_msm8916.h | 41 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_msm8916_clock.c | 84 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_msm8916_reset.c | 71 | ||||
| -rw-r--r-- | sys/dev/qcom_gcc/qcom_gcc_var.h | 1 |
7 files changed, 224 insertions, 7 deletions
diff --git a/sys/dev/qcom_gcc/qcom_gcc_clock.c b/sys/dev/qcom_gcc/qcom_gcc_clock.c index c8c10b0c5172..f51b4021a821 100644 --- a/sys/dev/qcom_gcc/qcom_gcc_clock.c +++ b/sys/dev/qcom_gcc/qcom_gcc_clock.c @@ -1,7 +1,7 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * - * Copyright (c) 2025, Adrian Chadd <adrian@FreeBSD.org> + * Copyright (c) 2026 Adrian Chadd <adrian@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,6 +37,7 @@ #include <machine/bus.h> #include <machine/resource.h> #include <sys/bus.h> +#include <sys/rman.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/ofw_bus.h> diff --git a/sys/dev/qcom_gcc/qcom_gcc_ipq4018_reset.c b/sys/dev/qcom_gcc/qcom_gcc_ipq4018_reset.c index f99d1d9ad9f1..127ca944c77e 100644 --- a/sys/dev/qcom_gcc/qcom_gcc_ipq4018_reset.c +++ b/sys/dev/qcom_gcc/qcom_gcc_ipq4018_reset.c @@ -38,6 +38,7 @@ #include <machine/bus.h> #include <machine/resource.h> +#include <sys/rman.h> #include <sys/bus.h> #include <dev/fdt/fdt_common.h> @@ -136,7 +137,8 @@ qcom_gcc_ipq4018_hwreset_assert(device_t dev, intptr_t id, bool reset) sc = device_get_softc(dev); if (id > nitems(gcc_ipq4019_reset_list)) { - device_printf(dev, "%s: invalid id (%d)\n", __func__, id); + device_printf(dev, "%s: invalid id (%d)\n", __func__, + (uint32_t) id); return (EINVAL); } @@ -160,7 +162,8 @@ qcom_gcc_ipq4018_hwreset_is_asserted(device_t dev, intptr_t id, bool *reset) sc = device_get_softc(dev); if (id > nitems(gcc_ipq4019_reset_list)) { - device_printf(dev, "%s: invalid id (%d)\n", __func__, id); + device_printf(dev, "%s: invalid id (%d)\n", __func__, + (uint32_t) id); return (EINVAL); } mtx_lock(&sc->mtx); @@ -171,7 +174,7 @@ qcom_gcc_ipq4018_hwreset_is_asserted(device_t dev, intptr_t id, bool *reset) *reset = false; mtx_unlock(&sc->mtx); - device_printf(dev, "called; id=%d\n", id); + device_printf(dev, "called; id=%d\n", (uint32_t) id); return (0); } diff --git a/sys/dev/qcom_gcc/qcom_gcc_main.c b/sys/dev/qcom_gcc/qcom_gcc_main.c index 3950bd985feb..38f409827541 100644 --- a/sys/dev/qcom_gcc/qcom_gcc_main.c +++ b/sys/dev/qcom_gcc/qcom_gcc_main.c @@ -1,7 +1,7 @@ /*- * SPDX-License-Identifier: BSD-2-Clause * - * Copyright (c) 2025, Adrian Chadd <adrian@FreeBSD.org> + * Copyright (c) 2026 Adrian Chadd <adrian@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -39,6 +39,7 @@ #include <machine/bus.h> #include <machine/resource.h> #include <sys/bus.h> +#include <sys/rman.h> #include <dev/fdt/fdt_common.h> #include <dev/ofw/ofw_bus.h> @@ -51,6 +52,7 @@ #include "qcom_gcc_var.h" #include "qcom_gcc_ipq4018.h" +#include "qcom_gcc_msm8916.h" static int qcom_gcc_modevent(module_t, int, void *); @@ -67,6 +69,8 @@ struct qcom_gcc_chipset_list_entry { static struct qcom_gcc_chipset_list_entry qcom_gcc_chipset_list[] = { { "qcom,gcc-ipq4019", "Qualcomm IPQ4018 Clock/Reset Controller", QCOM_GCC_CHIPSET_IPQ4018 }, + { "qcom,gcc-msm8916", "Qualcomm MSM8916 Clock/Reset Controller", + QCOM_GCC_CHIPSET_MSM8916 }, { NULL, NULL, 0 }, }; @@ -135,6 +139,10 @@ qcom_gcc_attach(device_t dev) qcom_gcc_ipq4018_hwreset_init(sc); mem_sz = 0x60000; break; + case QCOM_GCC_CHIPSET_MSM8916: + qcom_gcc_msm8916_hwreset_init(sc); + mem_sz = 0x0; + break; case QCOM_GCC_CHIPSET_NONE: device_printf(dev, "Invalid chipset (%d)\n", sc->sc_chipset); return (ENXIO); @@ -142,8 +150,13 @@ qcom_gcc_attach(device_t dev) sc->reg_rid = 0; - sc->reg = bus_alloc_resource_anywhere(dev, SYS_RES_MEMORY, - &sc->reg_rid, mem_sz, RF_ACTIVE); + if (mem_sz != 0) + sc->reg = bus_alloc_resource_anywhere(dev, SYS_RES_MEMORY, + &sc->reg_rid, mem_sz, RF_ACTIVE); + else + sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, + &sc->reg_rid, RF_ACTIVE); + if (sc->reg == NULL) { device_printf(dev, "Couldn't allocate memory resource!\n"); return (ENXIO); @@ -163,6 +176,9 @@ qcom_gcc_attach(device_t dev) case QCOM_GCC_CHIPSET_IPQ4018: qcom_gcc_ipq4018_clock_setup(sc); break; + case QCOM_GCC_CHIPSET_MSM8916: + qcom_gcc_msm8916_clock_setup(sc); + break; case QCOM_GCC_CHIPSET_NONE: device_printf(dev, "Invalid chipset (%d)\n", sc->sc_chipset); return (ENXIO); diff --git a/sys/dev/qcom_gcc/qcom_gcc_msm8916.h b/sys/dev/qcom_gcc/qcom_gcc_msm8916.h new file mode 100644 index 000000000000..10758b0744a4 --- /dev/null +++ b/sys/dev/qcom_gcc/qcom_gcc_msm8916.h @@ -0,0 +1,41 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2026 Adrian Chadd <adrian@FreeBSD.org> + * + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + */ + +#ifndef __QCOM_GCC_MSM8916_H__ +#define __QCOM_GCC_MSM8916_H__ + +/* + * reset block + */ +extern void qcom_gcc_msm8916_hwreset_init(struct qcom_gcc_softc *); + +/* + * clock block + */ +extern void qcom_gcc_msm8916_clock_setup(struct qcom_gcc_softc *); + +#endif /* __QCOM_GCC_MSM8916_H__ */ diff --git a/sys/dev/qcom_gcc/qcom_gcc_msm8916_clock.c b/sys/dev/qcom_gcc/qcom_gcc_msm8916_clock.c new file mode 100644 index 000000000000..5c0e4afcc17f --- /dev/null +++ b/sys/dev/qcom_gcc/qcom_gcc_msm8916_clock.c @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2018 Ruslan Bukin <br@bsdpad.com> + * All rights reserved. + * + * This software was developed by BAE Systems, the University of Cambridge + * Computer Laboratory, and Memorial University under DARPA/AFRL contract + * FA8650-15-C-7558 ("CADETS"), as part of the DARPA Transparent Computing + * (TC) research program. + * + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/kthread.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 "qcom_gcc_var.h" +#include "qcom_gcc_msm8916.h" + +#define GCC_QDSS_BCR 0x29000 +#define GCC_QDSS_BCR_BLK_ARES (1 << 0) /* Async software reset. */ +#define GCC_QDSS_CFG_AHB_CBCR 0x29008 +#define AHB_CBCR_CLK_ENABLE (1 << 0) /* AHB clk branch ctrl */ +#define GCC_QDSS_ETR_USB_CBCR 0x29028 +#define ETR_USB_CBCR_CLK_ENABLE (1 << 0) /* ETR USB clk branch ctrl */ +#define GCC_QDSS_DAP_CBCR 0x29084 +#define DAP_CBCR_CLK_ENABLE (1 << 0) /* DAP clk branch ctrl */ + +/* + * Qualcomm Debug Subsystem (QDSS) + * block enabling routine. + */ +static void +qcom_msm8916_qdss_enable(struct qcom_gcc_softc *sc) +{ + + /* Put QDSS block to reset */ + bus_write_4(sc->reg, GCC_QDSS_BCR, GCC_QDSS_BCR_BLK_ARES); + + /* Enable AHB clock branch */ + bus_write_4(sc->reg, GCC_QDSS_CFG_AHB_CBCR, AHB_CBCR_CLK_ENABLE); + + /* Enable DAP clock branch */ + bus_write_4(sc->reg, GCC_QDSS_DAP_CBCR, DAP_CBCR_CLK_ENABLE); + + /* Enable ETR USB clock branch */ + bus_write_4(sc->reg, GCC_QDSS_ETR_USB_CBCR, ETR_USB_CBCR_CLK_ENABLE); + + /* Out of reset */ + bus_write_4(sc->reg, GCC_QDSS_BCR, 0); +} + +void +qcom_gcc_msm8916_clock_setup(struct qcom_gcc_softc *sc) +{ + qcom_msm8916_qdss_enable(sc); +} diff --git a/sys/dev/qcom_gcc/qcom_gcc_msm8916_reset.c b/sys/dev/qcom_gcc/qcom_gcc_msm8916_reset.c new file mode 100644 index 000000000000..c83fd3e981ab --- /dev/null +++ b/sys/dev/qcom_gcc/qcom_gcc_msm8916_reset.c @@ -0,0 +1,71 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2026 Adrian Chadd <adrian@FreeBSD.org> + * + * 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 unmodified, 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. + */ + +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/sglist.h> +#include <sys/random.h> +#include <sys/stdatomic.h> +#include <sys/mutex.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/bus.h> + +#include <dev/fdt/fdt_common.h> +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include <dev/hwreset/hwreset.h> + +#include "hwreset_if.h" + +#include "qcom_gcc_var.h" +#include "qcom_gcc_msm8916.h" + +static int +qcom_gcc_msm8916_hwreset_assert(device_t dev, intptr_t id, bool reset) +{ + device_printf(dev, "%s: invalid id (%d)\n", __func__, (uint32_t) id); + return (EINVAL); +} + +static int +qcom_gcc_msm8916_hwreset_is_asserted(device_t dev, intptr_t id, bool *reset) +{ + device_printf(dev, "%s: invalid id (%d)\n", __func__, (uint32_t) id); + return (EINVAL); +} + +void +qcom_gcc_msm8916_hwreset_init(struct qcom_gcc_softc *sc) +{ + sc->sc_cb.hw_reset_assert = qcom_gcc_msm8916_hwreset_assert; + sc->sc_cb.hw_reset_is_asserted = qcom_gcc_msm8916_hwreset_is_asserted; +} diff --git a/sys/dev/qcom_gcc/qcom_gcc_var.h b/sys/dev/qcom_gcc/qcom_gcc_var.h index 2d4e969e1134..e3796f0d5f0f 100644 --- a/sys/dev/qcom_gcc/qcom_gcc_var.h +++ b/sys/dev/qcom_gcc/qcom_gcc_var.h @@ -31,6 +31,7 @@ typedef enum { QCOM_GCC_CHIPSET_NONE = 0, QCOM_GCC_CHIPSET_IPQ4018 = 1, + QCOM_GCC_CHIPSET_MSM8916 = 2, } qcom_gcc_chipset_t; struct qcom_gcc_reset_entry { |
