Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU DEC 21154 PCI bridge |
| 3 | * |
| 4 | * Copyright (c) 2006-2007 Fabrice Bellard |
| 5 | * Copyright (c) 2007 Jocelyn Mayer |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
| 25 | |
Peter Maydell | 0d75590 | 2016-01-26 18:16:58 +0000 | [diff] [blame] | 26 | #include "qemu/osdep.h" |
Paolo Bonzini | 47b43a1 | 2013-03-18 17:36:02 +0100 | [diff] [blame] | 27 | #include "dec.h" |
Paolo Bonzini | 83c9f4c | 2013-02-04 15:40:22 +0100 | [diff] [blame] | 28 | #include "hw/sysbus.h" |
Markus Armbruster | 9307d06 | 2020-06-10 07:32:04 +0200 | [diff] [blame] | 29 | #include "qapi/error.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 30 | #include "qemu/module.h" |
Paolo Bonzini | 83c9f4c | 2013-02-04 15:40:22 +0100 | [diff] [blame] | 31 | #include "hw/pci/pci.h" |
| 32 | #include "hw/pci/pci_host.h" |
| 33 | #include "hw/pci/pci_bridge.h" |
| 34 | #include "hw/pci/pci_bus.h" |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 35 | #include "qom/object.h" |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 36 | |
Eduardo Habkost | 8063396 | 2020-09-16 14:25:19 -0400 | [diff] [blame] | 37 | OBJECT_DECLARE_SIMPLE_TYPE(DECState, DEC_21154) |
Andreas Färber | ab61536 | 2012-08-20 19:07:59 +0200 | [diff] [blame] | 38 | |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 39 | struct DECState { |
Andreas Färber | 67c332f | 2012-08-20 19:08:09 +0200 | [diff] [blame] | 40 | PCIHostState parent_obj; |
Eduardo Habkost | db1015e | 2020-09-03 16:43:22 -0400 | [diff] [blame] | 41 | }; |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 42 | |
Blue Swirl | d55380b | 2010-02-07 19:28:32 +0000 | [diff] [blame] | 43 | static int dec_map_irq(PCIDevice *pci_dev, int irq_num) |
| 44 | { |
| 45 | return irq_num; |
| 46 | } |
| 47 | |
Cao jin | 33c28f3 | 2016-01-15 10:23:31 +0800 | [diff] [blame] | 48 | static void dec_pci_bridge_realize(PCIDevice *pci_dev, Error **errp) |
Alex Williamson | 60a0e44 | 2013-03-14 16:01:11 -0600 | [diff] [blame] | 49 | { |
Cao jin | 33c28f3 | 2016-01-15 10:23:31 +0800 | [diff] [blame] | 50 | pci_bridge_initfn(pci_dev, TYPE_PCI_BUS); |
Alex Williamson | 60a0e44 | 2013-03-14 16:01:11 -0600 | [diff] [blame] | 51 | } |
| 52 | |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 53 | static void dec_21154_pci_bridge_class_init(ObjectClass *klass, void *data) |
| 54 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 55 | DeviceClass *dc = DEVICE_CLASS(klass); |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 56 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
| 57 | |
Thomas Huth | ba94971 | 2017-06-13 21:48:49 +0200 | [diff] [blame] | 58 | set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); |
Cao jin | 33c28f3 | 2016-01-15 10:23:31 +0800 | [diff] [blame] | 59 | k->realize = dec_pci_bridge_realize; |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 60 | k->exit = pci_bridge_exitfn; |
| 61 | k->vendor_id = PCI_VENDOR_ID_DEC; |
| 62 | k->device_id = PCI_DEVICE_ID_DEC_21154; |
| 63 | k->config_write = pci_bridge_write_config; |
David Gibson | 91f4c99 | 2019-05-13 16:19:38 +1000 | [diff] [blame] | 64 | k->is_bridge = true; |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 65 | dc->desc = "DEC 21154 PCI-PCI bridge"; |
| 66 | dc->reset = pci_bridge_reset; |
| 67 | dc->vmsd = &vmstate_pci_device; |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 68 | } |
| 69 | |
Andreas Färber | 4240abf | 2012-08-20 19:07:56 +0200 | [diff] [blame] | 70 | static const TypeInfo dec_21154_pci_bridge_info = { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 71 | .name = "dec-21154-p2p-bridge", |
Andreas Färber | f055e96 | 2013-07-11 17:13:43 +0200 | [diff] [blame] | 72 | .parent = TYPE_PCI_BRIDGE, |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 73 | .instance_size = sizeof(PCIBridge), |
| 74 | .class_init = dec_21154_pci_bridge_class_init, |
Eduardo Habkost | fd3b02c | 2017-09-27 16:56:34 -0300 | [diff] [blame] | 75 | .interfaces = (InterfaceInfo[]) { |
| 76 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, |
| 77 | { }, |
| 78 | }, |
Isaku Yamahata | 68f7999 | 2010-07-13 13:01:42 +0900 | [diff] [blame] | 79 | }; |
| 80 | |
Blue Swirl | d55380b | 2010-02-07 19:28:32 +0000 | [diff] [blame] | 81 | PCIBus *pci_dec_21154_init(PCIBus *parent_bus, int devfn) |
| 82 | { |
Isaku Yamahata | 68f7999 | 2010-07-13 13:01:42 +0900 | [diff] [blame] | 83 | PCIDevice *dev; |
| 84 | PCIBridge *br; |
Blue Swirl | d55380b | 2010-02-07 19:28:32 +0000 | [diff] [blame] | 85 | |
Markus Armbruster | 9307d06 | 2020-06-10 07:32:04 +0200 | [diff] [blame] | 86 | dev = pci_new_multifunction(devfn, false, "dec-21154-p2p-bridge"); |
Andreas Färber | f055e96 | 2013-07-11 17:13:43 +0200 | [diff] [blame] | 87 | br = PCI_BRIDGE(dev); |
Isaku Yamahata | 68f7999 | 2010-07-13 13:01:42 +0900 | [diff] [blame] | 88 | pci_bridge_map_irq(br, "DEC 21154 PCI-PCI bridge", dec_map_irq); |
Markus Armbruster | 9307d06 | 2020-06-10 07:32:04 +0200 | [diff] [blame] | 89 | pci_realize_and_unref(dev, parent_bus, &error_fatal); |
Isaku Yamahata | 68f7999 | 2010-07-13 13:01:42 +0900 | [diff] [blame] | 90 | return pci_bridge_get_sec_bus(br); |
Blue Swirl | d55380b | 2010-02-07 19:28:32 +0000 | [diff] [blame] | 91 | } |
| 92 | |
Mao Zhongyi | 9b27555 | 2018-12-13 13:48:00 +0000 | [diff] [blame] | 93 | static void pci_dec_21154_device_realize(DeviceState *dev, Error **errp) |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 94 | { |
Andreas Färber | ab61536 | 2012-08-20 19:07:59 +0200 | [diff] [blame] | 95 | PCIHostState *phb; |
Mao Zhongyi | 9b27555 | 2018-12-13 13:48:00 +0000 | [diff] [blame] | 96 | SysBusDevice *sbd = SYS_BUS_DEVICE(dev); |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 97 | |
Andreas Färber | 8558d94 | 2012-08-20 19:08:08 +0200 | [diff] [blame] | 98 | phb = PCI_HOST_BRIDGE(dev); |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 99 | |
Paolo Bonzini | 40c5dce | 2013-06-06 21:25:08 -0400 | [diff] [blame] | 100 | memory_region_init_io(&phb->conf_mem, OBJECT(dev), &pci_host_conf_le_ops, |
Andreas Färber | ab61536 | 2012-08-20 19:07:59 +0200 | [diff] [blame] | 101 | dev, "pci-conf-idx", 0x1000); |
Paolo Bonzini | 40c5dce | 2013-06-06 21:25:08 -0400 | [diff] [blame] | 102 | memory_region_init_io(&phb->data_mem, OBJECT(dev), &pci_host_data_le_ops, |
Andreas Färber | ab61536 | 2012-08-20 19:07:59 +0200 | [diff] [blame] | 103 | dev, "pci-data-idx", 0x1000); |
Mao Zhongyi | 9b27555 | 2018-12-13 13:48:00 +0000 | [diff] [blame] | 104 | sysbus_init_mmio(sbd, &phb->conf_mem); |
| 105 | sysbus_init_mmio(sbd, &phb->data_mem); |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 106 | } |
| 107 | |
Markus Armbruster | 9af21db | 2015-01-19 15:52:30 +0100 | [diff] [blame] | 108 | static void dec_21154_pci_host_realize(PCIDevice *d, Error **errp) |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 109 | { |
| 110 | /* PCI2PCI bridge same values as PearPC - check this */ |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 111 | } |
| 112 | |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 113 | static void dec_21154_pci_host_class_init(ObjectClass *klass, void *data) |
| 114 | { |
| 115 | PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); |
Markus Armbruster | 08c58f9 | 2013-11-28 17:26:58 +0100 | [diff] [blame] | 116 | DeviceClass *dc = DEVICE_CLASS(klass); |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 117 | |
Thomas Huth | ba94971 | 2017-06-13 21:48:49 +0200 | [diff] [blame] | 118 | set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); |
Markus Armbruster | 9af21db | 2015-01-19 15:52:30 +0100 | [diff] [blame] | 119 | k->realize = dec_21154_pci_host_realize; |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 120 | k->vendor_id = PCI_VENDOR_ID_DEC; |
| 121 | k->device_id = PCI_DEVICE_ID_DEC_21154; |
| 122 | k->revision = 0x02; |
| 123 | k->class_id = PCI_CLASS_BRIDGE_PCI; |
David Gibson | 91f4c99 | 2019-05-13 16:19:38 +1000 | [diff] [blame] | 124 | k->is_bridge = true; |
Markus Armbruster | 08c58f9 | 2013-11-28 17:26:58 +0100 | [diff] [blame] | 125 | /* |
| 126 | * PCI-facing part of the host bridge, not usable without the |
| 127 | * host-facing part, which can't be device_add'ed, yet. |
| 128 | */ |
Eduardo Habkost | e90f2a8 | 2017-05-03 17:35:44 -0300 | [diff] [blame] | 129 | dc->user_creatable = false; |
Anthony Liguori | 40021f0 | 2011-12-04 12:22:06 -0600 | [diff] [blame] | 130 | } |
| 131 | |
Andreas Färber | 4240abf | 2012-08-20 19:07:56 +0200 | [diff] [blame] | 132 | static const TypeInfo dec_21154_pci_host_info = { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 133 | .name = "dec-21154", |
| 134 | .parent = TYPE_PCI_DEVICE, |
| 135 | .instance_size = sizeof(PCIDevice), |
| 136 | .class_init = dec_21154_pci_host_class_init, |
Eduardo Habkost | fd3b02c | 2017-09-27 16:56:34 -0300 | [diff] [blame] | 137 | .interfaces = (InterfaceInfo[]) { |
| 138 | { INTERFACE_CONVENTIONAL_PCI_DEVICE }, |
| 139 | { }, |
| 140 | }, |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 141 | }; |
| 142 | |
Anthony Liguori | 999e12b | 2012-01-24 13:12:29 -0600 | [diff] [blame] | 143 | static void pci_dec_21154_device_class_init(ObjectClass *klass, void *data) |
| 144 | { |
Mao Zhongyi | 9b27555 | 2018-12-13 13:48:00 +0000 | [diff] [blame] | 145 | DeviceClass *dc = DEVICE_CLASS(klass); |
Anthony Liguori | 999e12b | 2012-01-24 13:12:29 -0600 | [diff] [blame] | 146 | |
Mao Zhongyi | 9b27555 | 2018-12-13 13:48:00 +0000 | [diff] [blame] | 147 | dc->realize = pci_dec_21154_device_realize; |
Anthony Liguori | 999e12b | 2012-01-24 13:12:29 -0600 | [diff] [blame] | 148 | } |
| 149 | |
Andreas Färber | 4240abf | 2012-08-20 19:07:56 +0200 | [diff] [blame] | 150 | static const TypeInfo pci_dec_21154_device_info = { |
Andreas Färber | ab61536 | 2012-08-20 19:07:59 +0200 | [diff] [blame] | 151 | .name = TYPE_DEC_21154, |
Andreas Färber | 8558d94 | 2012-08-20 19:08:08 +0200 | [diff] [blame] | 152 | .parent = TYPE_PCI_HOST_BRIDGE, |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 153 | .instance_size = sizeof(DECState), |
| 154 | .class_init = pci_dec_21154_device_class_init, |
Anthony Liguori | 999e12b | 2012-01-24 13:12:29 -0600 | [diff] [blame] | 155 | }; |
| 156 | |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 157 | static void dec_register_types(void) |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 158 | { |
Anthony Liguori | 39bffca | 2011-12-07 21:34:16 -0600 | [diff] [blame] | 159 | type_register_static(&pci_dec_21154_device_info); |
| 160 | type_register_static(&dec_21154_pci_host_info); |
| 161 | type_register_static(&dec_21154_pci_bridge_info); |
Blue Swirl | e1c6bba | 2010-02-05 18:48:36 +0000 | [diff] [blame] | 162 | } |
| 163 | |
Andreas Färber | 83f7d43 | 2012-02-09 15:20:55 +0100 | [diff] [blame] | 164 | type_init(dec_register_types) |