From c0907c9e6417cb959dfd9ef6873221536ec91351 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 5 Feb 2013 15:06:20 +0100 Subject: hw: move PCI bridges to hw/pci-* or hw/ARCH Signed-off-by: Paolo Bonzini --- hw/pci-bridge/xio3130_upstream.c | 192 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 hw/pci-bridge/xio3130_upstream.c (limited to 'hw/pci-bridge/xio3130_upstream.c') diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c new file mode 100644 index 0000000000..cd5d97d211 --- /dev/null +++ b/hw/pci-bridge/xio3130_upstream.c @@ -0,0 +1,192 @@ +/* + * xio3130_upstream.c + * TI X3130 pci express upstream port switch + * + * Copyright (c) 2010 Isaku Yamahata + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, see . + */ + +#include "hw/pci/pci_ids.h" +#include "hw/pci/msi.h" +#include "hw/pci/pcie.h" +#include "hw/xio3130_upstream.h" + +#define PCI_DEVICE_ID_TI_XIO3130U 0x8232 /* upstream port */ +#define XIO3130_REVISION 0x2 +#define XIO3130_MSI_OFFSET 0x70 +#define XIO3130_MSI_SUPPORTED_FLAGS PCI_MSI_FLAGS_64BIT +#define XIO3130_MSI_NR_VECTOR 1 +#define XIO3130_SSVID_OFFSET 0x80 +#define XIO3130_SSVID_SVID 0 +#define XIO3130_SSVID_SSID 0 +#define XIO3130_EXP_OFFSET 0x90 +#define XIO3130_AER_OFFSET 0x100 + +static void xio3130_upstream_write_config(PCIDevice *d, uint32_t address, + uint32_t val, int len) +{ + pci_bridge_write_config(d, address, val, len); + pcie_cap_flr_write_config(d, address, val, len); + pcie_aer_write_config(d, address, val, len); +} + +static void xio3130_upstream_reset(DeviceState *qdev) +{ + PCIDevice *d = PCI_DEVICE(qdev); + + pci_bridge_reset(qdev); + pcie_cap_deverr_reset(d); +} + +static int xio3130_upstream_initfn(PCIDevice *d) +{ + PCIBridge* br = DO_UPCAST(PCIBridge, dev, d); + PCIEPort *p = DO_UPCAST(PCIEPort, br, br); + int rc; + + rc = pci_bridge_initfn(d, TYPE_PCIE_BUS); + if (rc < 0) { + return rc; + } + + pcie_port_init_reg(d); + + rc = msi_init(d, XIO3130_MSI_OFFSET, XIO3130_MSI_NR_VECTOR, + XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_64BIT, + XIO3130_MSI_SUPPORTED_FLAGS & PCI_MSI_FLAGS_MASKBIT); + if (rc < 0) { + goto err_bridge; + } + rc = pci_bridge_ssvid_init(d, XIO3130_SSVID_OFFSET, + XIO3130_SSVID_SVID, XIO3130_SSVID_SSID); + if (rc < 0) { + goto err_bridge; + } + rc = pcie_cap_init(d, XIO3130_EXP_OFFSET, PCI_EXP_TYPE_UPSTREAM, + p->port); + if (rc < 0) { + goto err_msi; + } + pcie_cap_flr_init(d); + pcie_cap_deverr_init(d); + rc = pcie_aer_init(d, XIO3130_AER_OFFSET); + if (rc < 0) { + goto err; + } + + return 0; + +err: + pcie_cap_exit(d); +err_msi: + msi_uninit(d); +err_bridge: + pci_bridge_exitfn(d); + return rc; +} + +static void xio3130_upstream_exitfn(PCIDevice *d) +{ + pcie_aer_exit(d); + pcie_cap_exit(d); + msi_uninit(d); + pci_bridge_exitfn(d); +} + +PCIEPort *xio3130_upstream_init(PCIBus *bus, int devfn, bool multifunction, + const char *bus_name, pci_map_irq_fn map_irq, + uint8_t port) +{ + PCIDevice *d; + PCIBridge *br; + DeviceState *qdev; + + d = pci_create_multifunction(bus, devfn, multifunction, "x3130-upstream"); + if (!d) { + return NULL; + } + br = DO_UPCAST(PCIBridge, dev, d); + + qdev = &br->dev.qdev; + pci_bridge_map_irq(br, bus_name, map_irq); + qdev_prop_set_uint8(qdev, "port", port); + qdev_init_nofail(qdev); + + return DO_UPCAST(PCIEPort, br, br); +} + +static const VMStateDescription vmstate_xio3130_upstream = { + .name = "xio3130-express-upstream-port", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_PCIE_DEVICE(br.dev, PCIEPort), + VMSTATE_STRUCT(br.dev.exp.aer_log, PCIEPort, 0, vmstate_pcie_aer_log, + PCIEAERLog), + VMSTATE_END_OF_LIST() + } +}; + +static Property xio3130_upstream_properties[] = { + DEFINE_PROP_UINT8("port", PCIEPort, port, 0), + DEFINE_PROP_UINT16("aer_log_max", PCIEPort, br.dev.exp.aer_log.log_max, + PCIE_AER_LOG_MAX_DEFAULT), + DEFINE_PROP_END_OF_LIST(), +}; + +static void xio3130_upstream_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + + k->is_express = 1; + k->is_bridge = 1; + k->config_write = xio3130_upstream_write_config; + k->init = xio3130_upstream_initfn; + k->exit = xio3130_upstream_exitfn; + k->vendor_id = PCI_VENDOR_ID_TI; + k->device_id = PCI_DEVICE_ID_TI_XIO3130U; + k->revision = XIO3130_REVISION; + dc->desc = "TI X3130 Upstream Port of PCI Express Switch"; + dc->reset = xio3130_upstream_reset; + dc->vmsd = &vmstate_xio3130_upstream; + dc->props = xio3130_upstream_properties; +} + +static const TypeInfo xio3130_upstream_info = { + .name = "x3130-upstream", + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PCIEPort), + .class_init = xio3130_upstream_class_init, +}; + +static void xio3130_upstream_register_types(void) +{ + type_register_static(&xio3130_upstream_info); +} + +type_init(xio3130_upstream_register_types) + + +/* + * Local variables: + * c-indent-level: 4 + * c-basic-offset: 4 + * tab-width: 8 + * indent-tab-mode: nil + * End: + */ -- cgit v1.2.3-55-g7522