new file mode 100644
@@ -0,0 +1,74 @@
+/*
+ * BCM2838 PCIe Root Complex emulation
+ *
+ * Copyright (C) 2022 Ovchinnikov Vitalii <vitalii.ovchinnikov@auriga.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "qapi/error.h"
+#include "hw/irq.h"
+#include "hw/pci-host/gpex.h"
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
+#include "qemu/module.h"
+#include "hw/arm/bcm2838_pcie.h"
+#include "trace.h"
+
+/*
+ * RC root part (D0:F0)
+ */
+
+static void bcm2838_pcie_root_reg_reset(PCIDevice *dev)
+{
+ BCM2838PcieRootState *s = BCM2838_PCIE_ROOT(dev);
+ memset(s->regs, 0xFF, sizeof(s->regs));
+}
+
+static void bcm2838_pcie_root_realize(PCIDevice *dev, Error **errp) {
+ bcm2838_pcie_root_reg_reset(dev);
+}
+
+static void bcm2838_pcie_root_init(Object *obj)
+{
+ PCIBridge *br = PCI_BRIDGE(obj);
+ br->bus_name = "pcie.1";
+}
+
+static void bcm2838_pcie_root_class_init(ObjectClass *class, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(class);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS(class);
+ BCM2838PcieRootClass *brpc = BCM2838_PCIE_ROOT_CLASS(class);
+
+ dc->desc = "BCM2711 PCIe Bridge";
+ /*
+ * PCI-facing part of the host bridge, not usable without the host-facing
+ * part, which can't be device_add'ed.
+ */
+ dc->user_creatable = false;
+ k->vendor_id = BCM2838_PCIE_VENDOR_ID;
+ k->device_id = BCM2838_PCIE_DEVICE_ID;
+ k->revision = BCM2838_PCIE_REVISION;
+ brpc->parent_obj.exp_offset = BCM2838_PCIE_EXP_CAP_OFFSET;
+ brpc->parent_obj.aer_offset = BCM2838_PCIE_AER_CAP_OFFSET;
+ brpc->parent_realize = k->realize;
+ k->realize = bcm2838_pcie_root_realize;
+}
+
+static const TypeInfo bcm2838_pcie_root_info = {
+ .name = TYPE_BCM2838_PCIE_ROOT,
+ .parent = TYPE_PCIE_ROOT_PORT,
+ .instance_size = sizeof(BCM2838PcieRootState),
+ .instance_init = bcm2838_pcie_root_init,
+ .class_init = bcm2838_pcie_root_class_init,
+};
+
+static void bcm2838_pcie_register(void)
+{
+ type_register_static(&bcm2838_pcie_root_info);
+}
+
+type_init(bcm2838_pcie_register)
@@ -39,7 +39,10 @@ arm_ss.add(when: 'CONFIG_ALLWINNER_A10', if_true: files('allwinner-a10.c', 'cubi
arm_ss.add(when: 'CONFIG_ALLWINNER_H3', if_true: files('allwinner-h3.c', 'orangepi.c'))
arm_ss.add(when: 'CONFIG_ALLWINNER_R40', if_true: files('allwinner-r40.c', 'bananapi_m2u.c'))
arm_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2836.c', 'raspi.c'))
-arm_ss.add(when: ['CONFIG_RASPI', 'TARGET_AARCH64'], if_true: files('bcm2838.c', 'raspi4b.c'))
+arm_ss.add(when: ['CONFIG_RASPI', 'TARGET_AARCH64'], if_true: files(
+ 'bcm2838.c',
+ 'bcm2838_pcie.c',
+ 'raspi4b.c'))
arm_ss.add(when: 'CONFIG_STM32F100_SOC', if_true: files('stm32f100_soc.c'))
arm_ss.add(when: 'CONFIG_STM32F205_SOC', if_true: files('stm32f205_soc.c'))
arm_ss.add(when: 'CONFIG_STM32F405_SOC', if_true: files('stm32f405_soc.c'))
@@ -55,5 +55,9 @@ smmuv3_notify_flag_add(const char *iommu) "ADD SMMUNotifier node for iommu mr=%s
smmuv3_notify_flag_del(const char *iommu) "DEL SMMUNotifier node for iommu mr=%s"
smmuv3_inv_notifiers_iova(const char *name, uint16_t asid, uint16_t vmid, uint64_t iova, uint8_t tg, uint64_t num_pages) "iommu mr=%s asid=%d vmid=%d iova=0x%"PRIx64" tg=%d num_pages=0x%"PRIx64
+# bcm2838_pcie.c
+bcm2838_pcie_host_read(unsigned int size, uint64_t offset, uint64_t value) "%u bytes @ 0x%04"PRIx64": 0x%016"PRIx64
+bcm2838_pcie_host_write(unsigned int size, uint64_t offset, uint64_t value) "%u bytes @ 0x%04"PRIx64": 0x%016"PRIx64
+
# bcm2838.c
bcm2838_gic_set_irq(int irq, int level) "gic irq:%d lvl:%d"
new file mode 100644
@@ -0,0 +1,53 @@
+/*
+ * BCM2838 PCIe Root Complex emulation
+ *
+ * Copyright (C) 2022 Ovchinnikov Vitalii <vitalii.ovchinnikov@auriga.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef BCM2838_PCIE_H
+#define BCM2838_PCIE_H
+
+#include "exec/hwaddr.h"
+#include "hw/sysbus.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/pcie_host.h"
+#include "hw/pci/pcie_port.h"
+#include "qom/object.h"
+
+#define TYPE_BCM2838_PCIE_ROOT "bcm2838-pcie-root"
+OBJECT_DECLARE_TYPE(BCM2838PcieRootState, BCM2838PcieRootClass,
+ BCM2838_PCIE_ROOT)
+
+#define BCM2838_PCIE_VENDOR_ID 0x14E4
+#define BCM2838_PCIE_DEVICE_ID 0x2711
+#define BCM2838_PCIE_REVISION 20
+
+#define BCM2838_PCIE_REGS_SIZE 0x9310
+#define BCM2838_PCIE_NUM_IRQS 4
+
+#define BCM2838_PCIE_EXP_CAP_OFFSET 0xAC
+#define BCM2838_PCIE_AER_CAP_OFFSET 0x100
+
+#define BCM2838_PCIE_EXT_CFG_DATA 0x8000
+#define BCM2838_PCIE_EXT_CFG_INDEX 0x9000
+
+struct BCM2838PcieRootState {
+ /*< private >*/
+ PCIESlot parent_obj;
+
+ /*< public >*/
+ uint8_t regs[BCM2838_PCIE_REGS_SIZE - PCIE_CONFIG_SPACE_SIZE];
+};
+
+struct BCM2838PcieRootClass {
+ /*< private >*/
+ PCIERootPortClass parent_obj;
+
+ /*< public >*/
+ void (*parent_realize)(PCIDevice *dev, Error **errp);
+};
+
+
+#endif /* BCM2838_PCIE_H */
Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com> --- hw/arm/bcm2838_pcie.c | 74 +++++++++++++++++++++++++++++++++++ hw/arm/meson.build | 5 ++- hw/arm/trace-events | 4 ++ include/hw/arm/bcm2838_pcie.h | 53 +++++++++++++++++++++++++ 4 files changed, 135 insertions(+), 1 deletion(-) create mode 100644 hw/arm/bcm2838_pcie.c create mode 100644 include/hw/arm/bcm2838_pcie.h