Annotation of qemu/hw/unin_pci.c, revision 1.1.1.7

1.1       root        1: /*
                      2:  * QEMU Uninorth PCI host (for all Mac99 and newer machines)
                      3:  *
                      4:  * Copyright (c) 2006 Fabrice Bellard
1.1.1.3   root        5:  *
1.1       root        6:  * Permission is hereby granted, free of charge, to any person obtaining a copy
                      7:  * of this software and associated documentation files (the "Software"), to deal
                      8:  * in the Software without restriction, including without limitation the rights
                      9:  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
                     10:  * copies of the Software, and to permit persons to whom the Software is
                     11:  * furnished to do so, subject to the following conditions:
                     12:  *
                     13:  * The above copyright notice and this permission notice shall be included in
                     14:  * all copies or substantial portions of the Software.
                     15:  *
                     16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
                     17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
                     19:  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
                     20:  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
                     21:  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
                     22:  * THE SOFTWARE.
                     23:  */
1.1.1.3   root       24: #include "hw.h"
                     25: #include "ppc_mac.h"
                     26: #include "pci.h"
1.1.1.7 ! root       27: #include "pci_host.h"
1.1.1.3   root       28: 
1.1.1.4   root       29: /* debug UniNorth */
                     30: //#define DEBUG_UNIN
                     31: 
                     32: #ifdef DEBUG_UNIN
1.1.1.5   root       33: #define UNIN_DPRINTF(fmt, ...)                                  \
                     34:     do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
1.1.1.4   root       35: #else
1.1.1.5   root       36: #define UNIN_DPRINTF(fmt, ...)
1.1.1.4   root       37: #endif
                     38: 
1.1.1.7 ! root       39: typedef struct UNINState {
        !            40:     SysBusDevice busdev;
        !            41:     PCIHostState host_state;
        !            42: } UNINState;
1.1       root       43: 
1.1.1.7 ! root       44: /* Don't know if this matches real hardware, but it agrees with OHW.  */
        !            45: static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
1.1       root       46: {
1.1.1.7 ! root       47:     return (irq_num + (pci_dev->devfn >> 3)) & 3;
1.1       root       48: }
                     49: 
1.1.1.7 ! root       50: static void pci_unin_set_irq(void *opaque, int irq_num, int level)
1.1       root       51: {
1.1.1.7 ! root       52:     qemu_irq *pic = opaque;
1.1       root       53: 
1.1.1.7 ! root       54:     qemu_set_irq(pic[irq_num + 8], level);
1.1       root       55: }
                     56: 
1.1.1.7 ! root       57: static void pci_unin_save(QEMUFile* f, void *opaque)
1.1       root       58: {
1.1.1.7 ! root       59:     PCIDevice *d = opaque;
1.1       root       60: 
1.1.1.7 ! root       61:     pci_device_save(d, f);
1.1       root       62: }
                     63: 
1.1.1.7 ! root       64: static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
1.1       root       65: {
1.1.1.7 ! root       66:     PCIDevice *d = opaque;
1.1       root       67: 
1.1.1.7 ! root       68:     if (version_id != 1)
        !            69:         return -EINVAL;
1.1       root       70: 
1.1.1.7 ! root       71:     return pci_device_load(d, f);
        !            72: }
1.1       root       73: 
1.1.1.7 ! root       74: static void pci_unin_reset(void *opaque)
1.1       root       75: {
1.1.1.2   root       76: }
                     77: 
1.1.1.7 ! root       78: static int pci_unin_main_init_device(SysBusDevice *dev)
1.1.1.2   root       79: {
1.1.1.7 ! root       80:     UNINState *s;
        !            81:     int pci_mem_config, pci_mem_data;
        !            82: 
        !            83:     /* Use values found on a real PowerMac */
        !            84:     /* Uninorth main bus */
        !            85:     s = FROM_SYSBUS(UNINState, dev);
        !            86: 
        !            87:     pci_mem_config = pci_host_conf_register_mmio(&s->host_state);
        !            88:     pci_mem_data = pci_host_data_register_mmio(&s->host_state);
        !            89:     sysbus_init_mmio(dev, 0x1000, pci_mem_config);
        !            90:     sysbus_init_mmio(dev, 0x1000, pci_mem_data);
        !            91: 
        !            92:     register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, &s->host_state);
        !            93:     qemu_register_reset(pci_unin_reset, &s->host_state);
        !            94:     return 0;
1.1       root       95: }
                     96: 
1.1.1.7 ! root       97: static int pci_dec_21154_init_device(SysBusDevice *dev)
1.1.1.4   root       98: {
1.1.1.7 ! root       99:     UNINState *s;
        !           100:     int pci_mem_config, pci_mem_data;
1.1.1.4   root      101: 
1.1.1.7 ! root      102:     /* Uninorth bridge */
        !           103:     s = FROM_SYSBUS(UNINState, dev);
        !           104: 
        !           105:     // XXX: s = &pci_bridge[2];
        !           106:     pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
        !           107:     pci_mem_data = pci_host_data_register_mmio(&s->host_state);
        !           108:     sysbus_init_mmio(dev, 0x1000, pci_mem_config);
        !           109:     sysbus_init_mmio(dev, 0x1000, pci_mem_data);
        !           110:     return 0;
1.1.1.4   root      111: }
                    112: 
1.1.1.7 ! root      113: static int pci_unin_agp_init_device(SysBusDevice *dev)
1.1.1.4   root      114: {
1.1.1.7 ! root      115:     UNINState *s;
        !           116:     int pci_mem_config, pci_mem_data;
1.1.1.4   root      117: 
1.1.1.7 ! root      118:     /* Uninorth AGP bus */
        !           119:     s = FROM_SYSBUS(UNINState, dev);
1.1.1.4   root      120: 
1.1.1.7 ! root      121:     pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
        !           122:     pci_mem_data = pci_host_data_register_mmio(&s->host_state);
        !           123:     sysbus_init_mmio(dev, 0x1000, pci_mem_config);
        !           124:     sysbus_init_mmio(dev, 0x1000, pci_mem_data);
        !           125:     return 0;
1.1.1.4   root      126: }
                    127: 
1.1.1.7 ! root      128: static int pci_unin_internal_init_device(SysBusDevice *dev)
1.1.1.4   root      129: {
1.1.1.7 ! root      130:     UNINState *s;
        !           131:     int pci_mem_config, pci_mem_data;
        !           132: 
        !           133:     /* Uninorth internal bus */
        !           134:     s = FROM_SYSBUS(UNINState, dev);
        !           135: 
        !           136:     pci_mem_config = pci_host_conf_register_mmio_noswap(&s->host_state);
        !           137:     pci_mem_data = pci_host_data_register_mmio(&s->host_state);
        !           138:     sysbus_init_mmio(dev, 0x1000, pci_mem_config);
        !           139:     sysbus_init_mmio(dev, 0x1000, pci_mem_data);
        !           140:     return 0;
1.1.1.4   root      141: }
                    142: 
1.1.1.3   root      143: PCIBus *pci_pmac_init(qemu_irq *pic)
1.1       root      144: {
1.1.1.7 ! root      145:     DeviceState *dev;
        !           146:     SysBusDevice *s;
        !           147:     UNINState *d;
1.1       root      148: 
                    149:     /* Use values found on a real PowerMac */
                    150:     /* Uninorth main bus */
1.1.1.7 ! root      151:     dev = qdev_create(NULL, "uni-north");
        !           152:     qdev_init_nofail(dev);
        !           153:     s = sysbus_from_qdev(dev);
        !           154:     d = FROM_SYSBUS(UNINState, s);
        !           155:     d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
        !           156:                                          pci_unin_set_irq, pci_unin_map_irq,
        !           157:                                          pic, 11 << 3, 4);
        !           158: 
        !           159: #if 0
        !           160:     pci_create_simple(d->host_state.bus, 11 << 3, "uni-north");
        !           161: #endif
        !           162: 
        !           163:     sysbus_mmio_map(s, 0, 0xf2800000);
        !           164:     sysbus_mmio_map(s, 1, 0xf2c00000);
        !           165: 
        !           166:     /* DEC 21154 bridge */
        !           167: #if 0
        !           168:     /* XXX: not activated as PPC BIOS doesn't handle multiple buses properly */
        !           169:     pci_create_simple(d->host_state.bus, 12 << 3, "dec-21154");
        !           170: #endif
        !           171: 
        !           172:     /* Uninorth AGP bus */
        !           173:     pci_create_simple(d->host_state.bus, 11 << 3, "uni-north-agp");
        !           174:     dev = qdev_create(NULL, "uni-north-agp");
        !           175:     qdev_init_nofail(dev);
        !           176:     s = sysbus_from_qdev(dev);
        !           177:     sysbus_mmio_map(s, 0, 0xf0800000);
        !           178:     sysbus_mmio_map(s, 1, 0xf0c00000);
        !           179: 
        !           180:     /* Uninorth internal bus */
        !           181: #if 0
        !           182:     /* XXX: not needed for now */
        !           183:     pci_create_simple(d->host_state.bus, 14 << 3, "uni-north-pci");
        !           184:     dev = qdev_create(NULL, "uni-north-pci");
        !           185:     qdev_init_nofail(dev);
        !           186:     s = sysbus_from_qdev(dev);
        !           187:     sysbus_mmio_map(s, 0, 0xf4800000);
        !           188:     sysbus_mmio_map(s, 1, 0xf4c00000);
        !           189: #endif
        !           190: 
        !           191:     return d->host_state.bus;
        !           192: }
        !           193: 
        !           194: static int unin_main_pci_host_init(PCIDevice *d)
        !           195: {
1.1.1.4   root      196:     pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
                    197:     pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
1.1       root      198:     d->config[0x08] = 0x00; // revision
1.1.1.4   root      199:     pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
1.1       root      200:     d->config[0x0C] = 0x08; // cache_line_size
                    201:     d->config[0x0D] = 0x10; // latency_timer
1.1.1.5   root      202:     d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1       root      203:     d->config[0x34] = 0x00; // capabilities_pointer
1.1.1.7 ! root      204:     return 0;
        !           205: }
1.1       root      206: 
1.1.1.7 ! root      207: static int dec_21154_pci_host_init(PCIDevice *d)
        !           208: {
1.1       root      209:     /* pci-to-pci bridge */
1.1.1.4   root      210:     pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
                    211:     pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
1.1       root      212:     d->config[0x08] = 0x05; // revision
1.1.1.4   root      213:     pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
1.1       root      214:     d->config[0x0C] = 0x08; // cache_line_size
                    215:     d->config[0x0D] = 0x20; // latency_timer
1.1.1.5   root      216:     d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
1.1       root      217: 
                    218:     d->config[0x18] = 0x01; // primary_bus
                    219:     d->config[0x19] = 0x02; // secondary_bus
                    220:     d->config[0x1A] = 0x02; // subordinate_bus
                    221:     d->config[0x1B] = 0x20; // secondary_latency_timer
                    222:     d->config[0x1C] = 0x11; // io_base
                    223:     d->config[0x1D] = 0x01; // io_limit
                    224:     d->config[0x20] = 0x00; // memory_base
                    225:     d->config[0x21] = 0x80;
                    226:     d->config[0x22] = 0x00; // memory_limit
                    227:     d->config[0x23] = 0x80;
                    228:     d->config[0x24] = 0x01; // prefetchable_memory_base
                    229:     d->config[0x25] = 0x80;
                    230:     d->config[0x26] = 0xF1; // prefectchable_memory_limit
                    231:     d->config[0x27] = 0x7F;
                    232:     // d->config[0x34] = 0xdc // capabilities_pointer
1.1.1.7 ! root      233:     return 0;
        !           234: }
1.1       root      235: 
1.1.1.7 ! root      236: static int unin_agp_pci_host_init(PCIDevice *d)
        !           237: {
1.1.1.4   root      238:     pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
                    239:     pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
1.1       root      240:     d->config[0x08] = 0x00; // revision
1.1.1.4   root      241:     pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
1.1       root      242:     d->config[0x0C] = 0x08; // cache_line_size
                    243:     d->config[0x0D] = 0x10; // latency_timer
1.1.1.5   root      244:     d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1       root      245:     //    d->config[0x34] = 0x80; // capabilities_pointer
1.1.1.7 ! root      246:     return 0;
        !           247: }
1.1       root      248: 
1.1.1.7 ! root      249: static int unin_internal_pci_host_init(PCIDevice *d)
        !           250: {
1.1.1.4   root      251:     pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
                    252:     pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
1.1       root      253:     d->config[0x08] = 0x00; // revision
1.1.1.4   root      254:     pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
1.1       root      255:     d->config[0x0C] = 0x08; // cache_line_size
                    256:     d->config[0x0D] = 0x10; // latency_timer
1.1.1.5   root      257:     d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1       root      258:     d->config[0x34] = 0x00; // capabilities_pointer
1.1.1.7 ! root      259:     return 0;
        !           260: }
        !           261: 
        !           262: static PCIDeviceInfo unin_main_pci_host_info = {
        !           263:     .qdev.name = "uni-north",
        !           264:     .qdev.size = sizeof(PCIDevice),
        !           265:     .init      = unin_main_pci_host_init,
        !           266: };
        !           267: 
        !           268: static PCIDeviceInfo dec_21154_pci_host_info = {
        !           269:     .qdev.name = "dec-21154",
        !           270:     .qdev.size = sizeof(PCIDevice),
        !           271:     .init      = dec_21154_pci_host_init,
        !           272: };
        !           273: 
        !           274: static PCIDeviceInfo unin_agp_pci_host_info = {
        !           275:     .qdev.name = "uni-north-agp",
        !           276:     .qdev.size = sizeof(PCIDevice),
        !           277:     .init      = unin_agp_pci_host_init,
        !           278: };
1.1.1.4   root      279: 
1.1.1.7 ! root      280: static PCIDeviceInfo unin_internal_pci_host_info = {
        !           281:     .qdev.name = "uni-north-pci",
        !           282:     .qdev.size = sizeof(PCIDevice),
        !           283:     .init      = unin_internal_pci_host_init,
        !           284: };
        !           285: 
        !           286: static void unin_register_devices(void)
        !           287: {
        !           288:     sysbus_register_dev("uni-north", sizeof(UNINState),
        !           289:                         pci_unin_main_init_device);
        !           290:     pci_qdev_register(&unin_main_pci_host_info);
        !           291:     sysbus_register_dev("dec-21154", sizeof(UNINState),
        !           292:                         pci_dec_21154_init_device);
        !           293:     pci_qdev_register(&dec_21154_pci_host_info);
        !           294:     sysbus_register_dev("uni-north-agp", sizeof(UNINState),
        !           295:                         pci_unin_agp_init_device);
        !           296:     pci_qdev_register(&unin_agp_pci_host_info);
        !           297:     sysbus_register_dev("uni-north-pci", sizeof(UNINState),
        !           298:                         pci_unin_internal_init_device);
        !           299:     pci_qdev_register(&unin_internal_pci_host_info);
1.1       root      300: }
1.1.1.7 ! root      301: 
        !           302: device_init(unin_register_devices)

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