From 604b72dd3c393bf6a7cac59c3a74a2bec4673a80 Mon Sep 17 00:00:00 2001 From: Kinsey Moore Date: Fri, 16 Jun 2023 09:38:03 -0500 Subject: hw/arm/xlnx: Connect secondary CGEM IRQs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The Cadence GEM peripherals as configured for Zynq MPSoC and Versal platforms have two priority queues with separate interrupt sources for each. If the interrupt source for the second priority queue is not connected, they work in polling mode only. This change connects the second interrupt source for platforms where it is available. This patch has been tested using the lwIP stack with a Xilinx-supplied driver from their embeddedsw repository. Signed-off-by: Kinsey Moore Reviewed-by: Francisco Iglesias Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Peter Maydell --- hw/arm/xlnx-versal.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'hw/arm/xlnx-versal.c') diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c index 50cb0606cb..3a1e2e29f1 100644 --- a/hw/arm/xlnx-versal.c +++ b/hw/arm/xlnx-versal.c @@ -258,14 +258,23 @@ static void versal_create_gems(Versal *s, qemu_irq *pic) char *name = g_strdup_printf("gem%d", i); DeviceState *dev; MemoryRegion *mr; + OrIRQState *or_irq; object_initialize_child(OBJECT(s), name, &s->lpd.iou.gem[i], TYPE_CADENCE_GEM); + or_irq = &s->lpd.iou.gem_irq_orgate[i]; + object_initialize_child(OBJECT(s), "gem-irq-orgate[*]", + or_irq, TYPE_OR_IRQ); dev = DEVICE(&s->lpd.iou.gem[i]); qemu_configure_nic_device(dev, true, NULL); object_property_set_int(OBJECT(dev), "phy-addr", 23, &error_abort); object_property_set_int(OBJECT(dev), "num-priority-queues", 2, &error_abort); + object_property_set_int(OBJECT(or_irq), + "num-lines", 2, &error_fatal); + qdev_realize(DEVICE(or_irq), NULL, &error_fatal); + qdev_connect_gpio_out(DEVICE(or_irq), 0, pic[irqs[i]]); + object_property_set_link(OBJECT(dev), "dma", OBJECT(&s->mr_ps), &error_abort); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); @@ -273,7 +282,8 @@ static void versal_create_gems(Versal *s, qemu_irq *pic) mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_add_subregion(&s->mr_ps, addrs[i], mr); - sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[irqs[i]]); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(DEVICE(or_irq), 0)); + sysbus_connect_irq(SYS_BUS_DEVICE(dev), 1, qdev_get_gpio_in(DEVICE(or_irq), 1)); g_free(name); } } -- cgit 1.4.1