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Fri, 15 Jan 2021 02:11:35 -0800 (PST) Received: from localhost.localdomain ([91.193.178.207]) by smtp.gmail.com with ESMTPSA id a15sm731886lji.105.2021.01.15.02.11.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Jan 2021 02:11:34 -0800 (PST) From: Maxim Uvarov To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCHv7 3/3] arm-virt: add secure pl061 for reset/power down Date: Fri, 15 Jan 2021 13:11:26 +0300 Message-Id: <20210115101126.4259-4-maxim.uvarov@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210115101126.4259-1-maxim.uvarov@linaro.org> References: <20210115101126.4259-1-maxim.uvarov@linaro.org> Received-SPF: pass client-ip=2a00:1450:4864:20::22a; envelope-from=maxim.uvarov@linaro.org; helo=mail-lj1-x22a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, drjones@redhat.com, Maxim Uvarov , Jose.Marinho@arm.com, f4bug@amsat.org, tf-a@lists.trustedfirmware.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add secure pl061 for reset/power down machine from the secure world (Arm Trusted Firmware). Connect it with gpio-pwr driver. Signed-off-by: Maxim Uvarov --- hw/arm/Kconfig | 1 + hw/arm/virt.c | 50 +++++++++++++++++++++++++++++++++++++++++++ include/hw/arm/virt.h | 2 ++ 3 files changed, 53 insertions(+) diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 0a242e4c5d..13cc42dcc8 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -17,6 +17,7 @@ config ARM_VIRT select PL011 # UART select PL031 # RTC select PL061 # GPIO + select GPIO_PWR select PLATFORM_BUS select SMBIOS select VIRTIO_MMIO diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 26bb66e8e1..436ae894c9 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -153,6 +153,7 @@ static const MemMapEntry base_memmap[] = { [VIRT_ACPI_GED] = { 0x09080000, ACPI_GED_EVT_SEL_LEN }, [VIRT_NVDIMM_ACPI] = { 0x09090000, NVDIMM_ACPI_IO_LEN}, [VIRT_PVTIME] = { 0x090a0000, 0x00010000 }, + [VIRT_SECURE_GPIO] = { 0x090b0000, 0x00001000 }, [VIRT_MMIO] = { 0x0a000000, 0x00000200 }, /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size */ [VIRT_PLATFORM_BUS] = { 0x0c000000, 0x02000000 }, @@ -841,6 +842,46 @@ static void create_gpio_keys(const VirtMachineState *vms, "gpios", phandle, 3, 0); } +#define ATF_GPIO_POWEROFF 3 +#define ATF_GPIO_REBOOT 4 + +static void create_gpio_pwr(const VirtMachineState *vms, + DeviceState *pl061_dev, + uint32_t phandle) +{ + DeviceState *gpio_pwr_dev; + + /* gpio-pwr */ + gpio_pwr_dev = sysbus_create_simple("gpio-pwr", -1, NULL); + + /* connect secure pl061 to gpio-pwr */ + qdev_connect_gpio_out(pl061_dev, ATF_GPIO_POWEROFF, + qdev_get_gpio_in_named(gpio_pwr_dev, "reset", 0)); + qdev_connect_gpio_out(pl061_dev, ATF_GPIO_REBOOT, + qdev_get_gpio_in_named(gpio_pwr_dev, "shutdown", 0)); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-pwr"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-pwr", "compatible", "gpio-pwr"); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-pwr", "#size-cells", 0); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-pwr", "#address-cells", 1); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-pwr/poweroff"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-pwr/poweroff", + "label", "GPIO PWR Poweroff"); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-pwr/poweroff", "code", + ATF_GPIO_POWEROFF); + qemu_fdt_setprop_cells(vms->fdt, "/gpio-pwr/poweroff", + "gpios", phandle, 3, 0); + + qemu_fdt_add_subnode(vms->fdt, "/gpio-pwr/reboot"); + qemu_fdt_setprop_string(vms->fdt, "/gpio-pwr/reboot", + "label", "GPIO PWR Reboot"); + qemu_fdt_setprop_cell(vms->fdt, "/gpio-pwr/reboot", "code", + ATF_GPIO_REBOOT); + qemu_fdt_setprop_cells(vms->fdt, "/gpio-pwr/reboot", + "gpios", phandle, 3, 0); +} + static void create_gpio_devices(const VirtMachineState *vms, int gpio, MemoryRegion *mem) { @@ -888,6 +929,8 @@ static void create_gpio_devices(const VirtMachineState *vms, int gpio, /* Child gpio devices */ if (gpio == VIRT_GPIO) { create_gpio_keys(vms, pl061_dev, phandle); + } else { + create_gpio_pwr(vms, pl061_dev, phandle); } } @@ -2020,6 +2063,10 @@ static void machvirt_init(MachineState *machine) create_gpio_devices(vms, VIRT_GPIO, sysmem); } + if (vms->secure && !vmc->no_secure_gpio) { + create_gpio_devices(vms, VIRT_SECURE_GPIO, secure_sysmem); + } + /* connect powerdown request */ vms->powerdown_notifier.notify = virt_powerdown_req; qemu_register_powerdown_notifier(&vms->powerdown_notifier); @@ -2635,8 +2682,11 @@ DEFINE_VIRT_MACHINE_AS_LATEST(6, 0) static void virt_machine_5_2_options(MachineClass *mc) { + VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc)); + virt_machine_6_0_options(mc); compat_props_add(mc->compat_props, hw_compat_5_2, hw_compat_5_2_len); + vmc->no_secure_gpio = true; } DEFINE_VIRT_MACHINE(5, 2) diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index abf54fab49..6f6c85ffcf 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -81,6 +81,7 @@ enum { VIRT_GPIO, VIRT_SECURE_UART, VIRT_SECURE_MEM, + VIRT_SECURE_GPIO, VIRT_PCDIMM_ACPI, VIRT_ACPI_GED, VIRT_NVDIMM_ACPI, @@ -127,6 +128,7 @@ struct VirtMachineClass { bool kvm_no_adjvtime; bool no_kvm_steal_time; bool acpi_expose_flash; + bool no_secure_gpio; }; struct VirtMachineState {