From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36615) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erALL-0000rg-QA for qemu-devel@nongnu.org; Wed, 28 Feb 2018 17:37:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1erALH-0008Oq-FF for qemu-devel@nongnu.org; Wed, 28 Feb 2018 17:36:59 -0500 Received: from mail-by2nam01on0058.outbound.protection.outlook.com ([104.47.34.58]:22885 helo=NAM01-BY2-obe.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1erALG-0008Mi-Qs for qemu-devel@nongnu.org; Wed, 28 Feb 2018 17:36:55 -0500 From: Alistair Francis Date: Wed, 28 Feb 2018 14:32:03 -0800 Message-ID: In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH v2 3/5] hw/gpio: Add the xlnx-pmu-iomod-gpo device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, edgar.iglesias@xilinx.com, edgar.iglesias@gmail.com Cc: alistair.francis@xilinx.com, alistair23@gmail.com Signed-off-by: Alistair Francis --- include/hw/gpio/xlnx-pmu-iomod-gp.h | 52 +++++++++++++ hw/gpio/xlnx-pmu-iomod-gp.c | 150 ++++++++++++++++++++++++++++++++++++ hw/gpio/Makefile.objs | 2 + 3 files changed, 204 insertions(+) create mode 100644 include/hw/gpio/xlnx-pmu-iomod-gp.h create mode 100644 hw/gpio/xlnx-pmu-iomod-gp.c diff --git a/include/hw/gpio/xlnx-pmu-iomod-gp.h b/include/hw/gpio/xlnx-pmu-iomod-gp.h new file mode 100644 index 0000000000..0ee162829b --- /dev/null +++ b/include/hw/gpio/xlnx-pmu-iomod-gp.h @@ -0,0 +1,52 @@ +/* + * QEMU model of Xilinx I/O Module GPO + * + * Copyright (c) 2013 Xilinx Inc + * Written by Edgar E. Iglesias + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef HW_XLNX_ZYNQMP_IOMOD_GPIO_H +#define HW_XLNX_ZYNQMP_IOMOD_GPIO_H + +#include "qemu/osdep.h" + +#define TYPE_XLNX_ZYNQMP_IOMOD_GPIO "xlnx.pmu_iomodule_gpio" + +#define XLNX_ZYNQMP_IOMOD_GPIO(obj) \ + OBJECT_CHECK(XlnxPMUIOGPIO, (obj), TYPE_XLNX_ZYNQMP_IOMOD_GPIO) + +#define XLNX_ZYNQMP_IOMOD_GPIO_R_MAX (0x00 + 1) + +typedef struct XlnxPMUIOGPIO { + SysBusDevice parent_obj; + MemoryRegion iomem; + + uint32_t size; + + /* GPO */ + uint32_t init; + qemu_irq outputs[32]; + + uint32_t regs[XLNX_ZYNQMP_IOMOD_GPIO_R_MAX]; + RegisterInfo regs_info[XLNX_ZYNQMP_IOMOD_GPIO_R_MAX]; +} XlnxPMUIOGPIO; + +#endif /* HW_XLNX_ZYNQMP_IOMOD_GPIO_H */ diff --git a/hw/gpio/xlnx-pmu-iomod-gp.c b/hw/gpio/xlnx-pmu-iomod-gp.c new file mode 100644 index 0000000000..0e45a89b44 --- /dev/null +++ b/hw/gpio/xlnx-pmu-iomod-gp.c @@ -0,0 +1,150 @@ +/* + * QEMU model of Xilinx I/O Module GPO + * + * Copyright (c) 2013 Xilinx Inc + * Written by Edgar E. Iglesias + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/sysbus.h" +#include "hw/register.h" +#include "qemu/log.h" +#include "hw/gpio/xlnx-pmu-iomod-gp.h" + +#ifndef XLNX_ZYNQMP_IOMOD_GPIO_DEBUG +#define XLNX_ZYNQMP_IOMOD_GPIO_DEBUG 0 +#endif + +REG32(GPO0, 0x00) + +static void xlnx_iomod_gpio_gpo0_prew(RegisterInfo *reg, uint64_t value) +{ + XlnxPMUIOGPIO *s = XLNX_ZYNQMP_IOMOD_GPIO(reg->opaque); + unsigned int i; + + for (i = 0; i < s->size; i++) { + bool flag = !!(value & (1 << i)); + qemu_set_irq(s->outputs[i], flag); + } +} + +static uint64_t xlnx_iomod_gpio_gpo0_postr(RegisterInfo *reg, uint64_t value) +{ + return 0; +} + +static const RegisterAccessInfo xlnx_iomod_gpio_regs_info[] = { + { .name = "GPO0", .addr = A_GPO0, + .post_write = xlnx_iomod_gpio_gpo0_prew, + .post_read = xlnx_iomod_gpio_gpo0_postr, + } +}; + +static void xlnx_iomod_gpio_reset(DeviceState *dev) +{ + XlnxPMUIOGPIO *s = XLNX_ZYNQMP_IOMOD_GPIO(dev); + int i; + + for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) { + register_reset(&s->regs_info[i]); + } + + xlnx_iomod_gpio_gpo0_prew(&s->regs_info[R_GPO0], s->init); +} + +static const MemoryRegionOps xlnx_iomod_gpio_ops = { + .read = register_read_memory, + .write = register_write_memory, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static void xlnx_iomod_gpio_realize(DeviceState *dev, Error **errp) +{ + XlnxPMUIOGPIO *s = XLNX_ZYNQMP_IOMOD_GPIO(dev); + + assert(s->size <= 32); + qdev_init_gpio_out(dev, s->outputs, s->size); +} + +static void xlnx_iomod_gpio_init(Object *obj) +{ + XlnxPMUIOGPIO *s = XLNX_ZYNQMP_IOMOD_GPIO(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + RegisterInfoArray *reg_array; + + memory_region_init(&s->iomem, obj, TYPE_XLNX_ZYNQMP_IOMOD_GPIO, + XLNX_ZYNQMP_IOMOD_GPIO_R_MAX * 4); + reg_array = + register_init_block32(DEVICE(obj), xlnx_iomod_gpio_regs_info, + ARRAY_SIZE(xlnx_iomod_gpio_regs_info), + s->regs_info, s->regs, + &xlnx_iomod_gpio_ops, + XLNX_ZYNQMP_IOMOD_GPIO_DEBUG, + XLNX_ZYNQMP_IOMOD_GPIO_R_MAX * 4); + memory_region_add_subregion(&s->iomem, + 0x0, + ®_array->mem); + sysbus_init_mmio(sbd, &s->iomem); +} + +static const VMStateDescription vmstate_xlnx_iomod_gpio = { + .name = TYPE_XLNX_ZYNQMP_IOMOD_GPIO, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_END_OF_LIST(), + } +}; + +static Property xlnx_iomod_gpio_properties[] = { + DEFINE_PROP_UINT32("size", XlnxPMUIOGPIO, size, 0), + DEFINE_PROP_UINT32("gpo-init", XlnxPMUIOGPIO, init, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void xlnx_iomod_gpio_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = xlnx_iomod_gpio_reset; + dc->realize = xlnx_iomod_gpio_realize; + dc->props = xlnx_iomod_gpio_properties; + dc->vmsd = &vmstate_xlnx_iomod_gpio; +} + +static const TypeInfo xlnx_iomod_gpio_info = { + .name = TYPE_XLNX_ZYNQMP_IOMOD_GPIO, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(XlnxPMUIOGPIO), + .class_init = xlnx_iomod_gpio_class_init, + .instance_init = xlnx_iomod_gpio_init, +}; + +static void xlnx_iomod_gpio_register_types(void) +{ + type_register_static(&xlnx_iomod_gpio_info); +} + +type_init(xlnx_iomod_gpio_register_types) diff --git a/hw/gpio/Makefile.objs b/hw/gpio/Makefile.objs index fa0a72e6d0..4cefadee85 100644 --- a/hw/gpio/Makefile.objs +++ b/hw/gpio/Makefile.objs @@ -8,3 +8,5 @@ common-obj-$(CONFIG_GPIO_KEY) += gpio_key.o obj-$(CONFIG_OMAP) += omap_gpio.o obj-$(CONFIG_IMX) += imx_gpio.o obj-$(CONFIG_RASPI) += bcm2835_gpio.o + +obj-$(CONFIG_XLNX_ZYNQMP) += xlnx-pmu-iomod-gp.o -- 2.14.1