2 * QEMU IDE Emulation: PCI VIA82C686B support.
4 * Copyright (c) 2003 Fabrice Bellard
5 * Copyright (c) 2006 Openedhand Ltd.
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 #include <hw/ide/pci.h>
36 static uint64_t bmdma_read(void *opaque, target_phys_addr_t addr,
39 BMDMAState *bm = opaque;
43 return ((uint64_t)1 << (size * 8)) - 1;
58 printf("bmdma: readb 0x%02x : 0x%02x\n", addr, val);
63 static void bmdma_write(void *opaque, target_phys_addr_t addr,
64 uint64_t val, unsigned size)
66 BMDMAState *bm = opaque;
73 printf("bmdma: writeb 0x%02x : 0x%02x\n", addr, val);
77 return bmdma_cmd_writeb(bm, val);
79 bm->status = (val & 0x60) | (bm->status & 1) | (bm->status & ~val & 0x06);
85 static MemoryRegionOps via_bmdma_ops = {
90 static void bmdma_setup_bar(PCIIDEState *d)
94 memory_region_init(&d->bmdma_bar, "via-bmdma-container", 16);
95 for(i = 0;i < 2; i++) {
96 BMDMAState *bm = &d->bmdma[i];
98 memory_region_init_io(&bm->extra_io, &via_bmdma_ops, bm,
100 memory_region_add_subregion(&d->bmdma_bar, i * 8, &bm->extra_io);
101 memory_region_init_io(&bm->addr_ioport, &bmdma_addr_ioport_ops, bm,
103 memory_region_add_subregion(&d->bmdma_bar, i * 8 + 4, &bm->addr_ioport);
107 static void via_reset(void *opaque)
109 PCIIDEState *d = opaque;
110 uint8_t *pci_conf = d->dev.config;
113 for (i = 0; i < 2; i++) {
114 ide_bus_reset(&d->bus[i]);
117 pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_WAIT);
118 pci_set_word(pci_conf + PCI_STATUS, PCI_STATUS_FAST_BACK |
119 PCI_STATUS_DEVSEL_MEDIUM);
121 pci_set_long(pci_conf + PCI_BASE_ADDRESS_0, 0x000001f0);
122 pci_set_long(pci_conf + PCI_BASE_ADDRESS_1, 0x000003f4);
123 pci_set_long(pci_conf + PCI_BASE_ADDRESS_2, 0x00000170);
124 pci_set_long(pci_conf + PCI_BASE_ADDRESS_3, 0x00000374);
125 pci_set_long(pci_conf + PCI_BASE_ADDRESS_4, 0x0000cc01); /* BMIBA: 20-23h */
126 pci_set_long(pci_conf + PCI_INTERRUPT_LINE, 0x0000010e);
128 /* IDE chip enable, IDE configuration 1/2, IDE FIFO Configuration*/
129 pci_set_long(pci_conf + 0x40, 0x0a090600);
130 /* IDE misc configuration 1/2/3 */
131 pci_set_long(pci_conf + 0x44, 0x00c00068);
132 /* IDE Timing control */
133 pci_set_long(pci_conf + 0x48, 0xa8a8a8a8);
134 /* IDE Address Setup Time */
135 pci_set_long(pci_conf + 0x4c, 0x000000ff);
136 /* UltraDMA Extended Timing Control*/
137 pci_set_long(pci_conf + 0x50, 0x07070707);
138 /* UltraDMA FIFO Control */
139 pci_set_long(pci_conf + 0x54, 0x00000004);
140 /* IDE primary sector size */
141 pci_set_long(pci_conf + 0x60, 0x00000200);
142 /* IDE secondary sector size */
143 pci_set_long(pci_conf + 0x68, 0x00000200);
145 pci_set_long(pci_conf + 0xc0, 0x00020001);
148 static void vt82c686b_init_ports(PCIIDEState *d) {
149 static const struct {
159 for (i = 0; i < 2; i++) {
160 ide_bus_new(&d->bus[i], &d->dev.qdev, i);
161 ide_init_ioport(&d->bus[i], NULL, port_info[i].iobase,
162 port_info[i].iobase2);
163 ide_init2(&d->bus[i], isa_get_irq(NULL, port_info[i].isairq));
165 bmdma_init(&d->bus[i], &d->bmdma[i], d);
166 d->bmdma[i].bus = &d->bus[i];
167 qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
173 static int vt82c686b_ide_initfn(PCIDevice *dev)
175 PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
176 uint8_t *pci_conf = d->dev.config;
178 pci_config_set_prog_interface(pci_conf, 0x8a); /* legacy ATA mode */
179 pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
181 qemu_register_reset(via_reset, d);
183 pci_register_bar(&d->dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
185 vmstate_register(&dev->qdev, 0, &vmstate_ide_pci, d);
187 vt82c686b_init_ports(d);
192 static int vt82c686b_ide_exitfn(PCIDevice *dev)
194 PCIIDEState *d = DO_UPCAST(PCIIDEState, dev, dev);
197 for (i = 0; i < 2; ++i) {
198 memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].extra_io);
199 memory_region_destroy(&d->bmdma[i].extra_io);
200 memory_region_del_subregion(&d->bmdma_bar, &d->bmdma[i].addr_ioport);
201 memory_region_destroy(&d->bmdma[i].addr_ioport);
203 memory_region_destroy(&d->bmdma_bar);
208 void vt82c686b_ide_init(PCIBus *bus, DriveInfo **hd_table, int devfn)
212 dev = pci_create_simple(bus, devfn, "via-ide");
213 pci_ide_create_devs(dev, hd_table);
216 static void via_ide_class_init(ObjectClass *klass, void *data)
218 DeviceClass *dc = DEVICE_CLASS(klass);
219 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
221 k->init = vt82c686b_ide_initfn;
222 k->exit = vt82c686b_ide_exitfn;
223 k->vendor_id = PCI_VENDOR_ID_VIA;
224 k->device_id = PCI_DEVICE_ID_VIA_IDE;
226 k->class_id = PCI_CLASS_STORAGE_IDE;
230 static TypeInfo via_ide_info = {
232 .parent = TYPE_PCI_DEVICE,
233 .instance_size = sizeof(PCIIDEState),
234 .class_init = via_ide_class_init,
237 static void via_ide_register_types(void)
239 type_register_static(&via_ide_info);
242 type_init(via_ide_register_types)