From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54181) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ys1kG-0005PR-JH for qemu-devel@nongnu.org; Tue, 12 May 2015 00:24:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ys1kC-0006rB-3Z for qemu-devel@nongnu.org; Tue, 12 May 2015 00:24:40 -0400 Received: from mail-pd0-f179.google.com ([209.85.192.179]:36457) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ys1kB-0006r4-Rr for qemu-devel@nongnu.org; Tue, 12 May 2015 00:24:35 -0400 Received: by pdea3 with SMTP id a3so168591993pde.3 for ; Mon, 11 May 2015 21:24:35 -0700 (PDT) From: shannon.zhao@linaro.org Date: Tue, 12 May 2015 12:24:11 +0800 Message-Id: <1431404656-7180-3-git-send-email-shannon.zhao@linaro.org> In-Reply-To: <1431404656-7180-1-git-send-email-shannon.zhao@linaro.org> References: <1431404656-7180-1-git-send-email-shannon.zhao@linaro.org> Subject: [Qemu-devel] [PATCH 2/7] hw/arm/virt-acpi-build: Add GPIO controller in ACPI DSDT table List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, peter.maydell@linaro.org, imammedo@redhat.com, mst@redhat.com, pbonzini@redhat.com, wei@redhat.com, arnd@arndb.de, christoffer.dall@linaro.org Cc: hangaohuai@huawei.com, peter.huangpeng@huawei.com, zhaoshenglong@huawei.com From: Shannon Zhao Add GPIO controller in ACPI DSDT table. It can be used for gpio event. Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao --- hw/arm/virt-acpi-build.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index b3f27d0..e505c16 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -301,6 +301,24 @@ static void acpi_dsdt_add_pci(Aml *scope, VirtAcpiPcieInfo *info, int pcie_irq) aml_append(scope, dev); } +static void acpi_dsdt_add_gpio(Aml *scope, const MemMapEntry *gpio_memmap, + int gpio_irq) +{ + Aml *dev = aml_device("GPO0"); + aml_append(dev, aml_name_decl("_HID", aml_string("LNRO0009"))); + aml_append(dev, aml_name_decl("_ADR", aml_int(0))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + Aml *crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(gpio_memmap->base, + gpio_memmap->size, aml_ReadWrite)); + aml_append(crs, + aml_interrupt(aml_consumer, aml_edge, aml_active_high, + aml_exclusive, aml_not_wake_capable, gpio_irq + 32)); + aml_append(dev, aml_name_decl("_CRS", crs)); + aml_append(scope, dev); +} + /* RSDP */ static GArray * build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt) @@ -456,6 +474,7 @@ build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO], irqmap[VIRT_MMIO], NUM_VIRTIO_TRANSPORTS); acpi_dsdt_add_pci(scope, guest_info->pcie_info, irqmap[VIRT_PCIE]); + acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO], irqmap[VIRT_GPIO]); aml_append(dsdt, scope); -- 2.1.0