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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"
27:
1.1.1.4 root 28: /* debug UniNorth */
29: //#define DEBUG_UNIN
30:
31: #ifdef DEBUG_UNIN
1.1.1.5 ! root 32: #define UNIN_DPRINTF(fmt, ...) \
! 33: do { printf("UNIN: " fmt , ## __VA_ARGS__); } while (0)
1.1.1.4 root 34: #else
1.1.1.5 ! root 35: #define UNIN_DPRINTF(fmt, ...)
1.1.1.4 root 36: #endif
37:
1.1 root 38: typedef target_phys_addr_t pci_addr_t;
39: #include "pci_host.h"
40:
41: typedef PCIHostState UNINState;
42:
43: static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr,
44: uint32_t val)
45: {
46: UNINState *s = opaque;
47:
1.1.1.4 root 48: UNIN_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr, val);
1.1 root 49: #ifdef TARGET_WORDS_BIGENDIAN
50: val = bswap32(val);
51: #endif
52:
1.1.1.4 root 53: s->config_reg = val;
1.1 root 54: }
55:
56: static uint32_t pci_unin_main_config_readl (void *opaque,
57: target_phys_addr_t addr)
58: {
59: UNINState *s = opaque;
60: uint32_t val;
61:
1.1.1.4 root 62: val = s->config_reg;
1.1 root 63: #ifdef TARGET_WORDS_BIGENDIAN
64: val = bswap32(val);
65: #endif
1.1.1.4 root 66: UNIN_DPRINTF("config_readl addr " TARGET_FMT_plx " val %x\n", addr, val);
1.1 root 67:
68: return val;
69: }
70:
71: static CPUWriteMemoryFunc *pci_unin_main_config_write[] = {
72: &pci_unin_main_config_writel,
73: &pci_unin_main_config_writel,
74: &pci_unin_main_config_writel,
75: };
76:
77: static CPUReadMemoryFunc *pci_unin_main_config_read[] = {
78: &pci_unin_main_config_readl,
79: &pci_unin_main_config_readl,
80: &pci_unin_main_config_readl,
81: };
82:
83: static CPUWriteMemoryFunc *pci_unin_main_write[] = {
84: &pci_host_data_writeb,
85: &pci_host_data_writew,
86: &pci_host_data_writel,
87: };
88:
89: static CPUReadMemoryFunc *pci_unin_main_read[] = {
90: &pci_host_data_readb,
91: &pci_host_data_readw,
92: &pci_host_data_readl,
93: };
94:
95: static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
96: uint32_t val)
97: {
98: UNINState *s = opaque;
99:
1.1.1.5 ! root 100: s->config_reg = val;
1.1 root 101: }
102:
103: static uint32_t pci_unin_config_readl (void *opaque,
104: target_phys_addr_t addr)
105: {
106: UNINState *s = opaque;
107:
1.1.1.5 ! root 108: return s->config_reg;
1.1 root 109: }
110:
111: static CPUWriteMemoryFunc *pci_unin_config_write[] = {
112: &pci_unin_config_writel,
113: &pci_unin_config_writel,
114: &pci_unin_config_writel,
115: };
116:
117: static CPUReadMemoryFunc *pci_unin_config_read[] = {
118: &pci_unin_config_readl,
119: &pci_unin_config_readl,
120: &pci_unin_config_readl,
121: };
122:
1.1.1.5 ! root 123: #if 0
1.1 root 124: static CPUWriteMemoryFunc *pci_unin_write[] = {
125: &pci_host_pci_writeb,
126: &pci_host_pci_writew,
127: &pci_host_pci_writel,
128: };
129:
130: static CPUReadMemoryFunc *pci_unin_read[] = {
131: &pci_host_pci_readb,
132: &pci_host_pci_readw,
133: &pci_host_pci_readl,
134: };
135: #endif
136:
1.1.1.2 root 137: /* Don't know if this matches real hardware, but it agrees with OHW. */
138: static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
1.1 root 139: {
1.1.1.2 root 140: return (irq_num + (pci_dev->devfn >> 3)) & 3;
141: }
142:
1.1.1.3 root 143: static void pci_unin_set_irq(qemu_irq *pic, int irq_num, int level)
1.1.1.2 root 144: {
1.1.1.3 root 145: qemu_set_irq(pic[irq_num + 8], level);
1.1 root 146: }
147:
1.1.1.4 root 148: static void pci_unin_save(QEMUFile* f, void *opaque)
149: {
150: PCIDevice *d = opaque;
151:
152: pci_device_save(d, f);
153: }
154:
155: static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
156: {
157: PCIDevice *d = opaque;
158:
159: if (version_id != 1)
160: return -EINVAL;
161:
162: return pci_device_load(d, f);
163: }
164:
165: static void pci_unin_reset(void *opaque)
166: {
167: }
168:
1.1.1.3 root 169: PCIBus *pci_pmac_init(qemu_irq *pic)
1.1 root 170: {
171: UNINState *s;
172: PCIDevice *d;
173: int pci_mem_config, pci_mem_data;
174:
175: /* Use values found on a real PowerMac */
176: /* Uninorth main bus */
177: s = qemu_mallocz(sizeof(UNINState));
1.1.1.5 ! root 178: s->bus = pci_register_bus(NULL, "pci",
! 179: pci_unin_set_irq, pci_unin_map_irq,
1.1.1.2 root 180: pic, 11 << 3, 4);
1.1 root 181:
1.1.1.5 ! root 182: pci_mem_config = cpu_register_io_memory(pci_unin_main_config_read,
1.1 root 183: pci_unin_main_config_write, s);
1.1.1.5 ! root 184: pci_mem_data = cpu_register_io_memory(pci_unin_main_read,
1.1 root 185: pci_unin_main_write, s);
186: cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config);
187: cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data);
1.1.1.3 root 188: d = pci_register_device(s->bus, "Uni-north main", sizeof(PCIDevice),
1.1 root 189: 11 << 3, NULL, NULL);
1.1.1.4 root 190: pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
191: pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
1.1 root 192: d->config[0x08] = 0x00; // revision
1.1.1.4 root 193: pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
1.1 root 194: d->config[0x0C] = 0x08; // cache_line_size
195: d->config[0x0D] = 0x10; // latency_timer
1.1.1.5 ! root 196: d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1 root 197: d->config[0x34] = 0x00; // capabilities_pointer
198:
1.1.1.2 root 199: #if 0 // XXX: not activated as PPC BIOS doesn't handle multiple buses properly
1.1 root 200: /* pci-to-pci bridge */
201: d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3,
202: NULL, NULL);
1.1.1.4 root 203: pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
204: pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
1.1 root 205: d->config[0x08] = 0x05; // revision
1.1.1.4 root 206: pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
1.1 root 207: d->config[0x0C] = 0x08; // cache_line_size
208: d->config[0x0D] = 0x20; // latency_timer
1.1.1.5 ! root 209: d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_BRIDGE; // header_type
1.1 root 210:
211: d->config[0x18] = 0x01; // primary_bus
212: d->config[0x19] = 0x02; // secondary_bus
213: d->config[0x1A] = 0x02; // subordinate_bus
214: d->config[0x1B] = 0x20; // secondary_latency_timer
215: d->config[0x1C] = 0x11; // io_base
216: d->config[0x1D] = 0x01; // io_limit
217: d->config[0x20] = 0x00; // memory_base
218: d->config[0x21] = 0x80;
219: d->config[0x22] = 0x00; // memory_limit
220: d->config[0x23] = 0x80;
221: d->config[0x24] = 0x01; // prefetchable_memory_base
222: d->config[0x25] = 0x80;
223: d->config[0x26] = 0xF1; // prefectchable_memory_limit
224: d->config[0x27] = 0x7F;
225: // d->config[0x34] = 0xdc // capabilities_pointer
226: #endif
1.1.1.5 ! root 227:
1.1 root 228: /* Uninorth AGP bus */
1.1.1.5 ! root 229: pci_mem_config = cpu_register_io_memory(pci_unin_config_read,
1.1 root 230: pci_unin_config_write, s);
1.1.1.5 ! root 231: pci_mem_data = cpu_register_io_memory(pci_unin_main_read,
! 232: pci_unin_main_write, s);
1.1 root 233: cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config);
234: cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data);
235:
1.1.1.5 ! root 236: d = pci_register_device(s->bus, "Uni-north AGP", sizeof(PCIDevice),
! 237: 11 << 3, NULL, NULL);
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
246:
247: #if 0 // XXX: not needed for now
248: /* Uninorth internal bus */
249: s = &pci_bridge[2];
1.1.1.5 ! root 250: pci_mem_config = cpu_register_io_memory(pci_unin_config_read,
1.1 root 251: pci_unin_config_write, s);
1.1.1.5 ! root 252: pci_mem_data = cpu_register_io_memory(pci_unin_read,
1.1 root 253: pci_unin_write, s);
254: cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config);
255: cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data);
256:
257: d = pci_register_device("Uni-north internal", sizeof(PCIDevice),
258: 3, 11 << 3, NULL, NULL);
1.1.1.4 root 259: pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
260: pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
1.1 root 261: d->config[0x08] = 0x00; // revision
1.1.1.4 root 262: pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
1.1 root 263: d->config[0x0C] = 0x08; // cache_line_size
264: d->config[0x0D] = 0x10; // latency_timer
1.1.1.5 ! root 265: d->config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type
1.1 root 266: d->config[0x34] = 0x00; // capabilities_pointer
267: #endif
1.1.1.4 root 268: register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, d);
269: qemu_register_reset(pci_unin_reset, d);
270: pci_unin_reset(d);
271:
1.1 root 272: return s->bus;
273: }
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