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5fafdf24 1/*
16406950 2 * ARM Versatile Platform/Application Baseboard System emulation.
cdbdb648 3 *
a1bb27b1 4 * Copyright (c) 2005-2007 CodeSourcery.
cdbdb648
PB
5 * Written by Paul Brook
6 *
8e31bf38 7 * This code is licensed under the GPL.
cdbdb648
PB
8 */
9
2e9bdce5 10#include "sysbus.h"
87ecb68b
PB
11#include "arm-misc.h"
12#include "primecell.h"
13#include "devices.h"
14#include "net.h"
15#include "sysemu.h"
16#include "pci.h"
18e08a55 17#include "usb-ohci.h"
87ecb68b 18#include "boards.h"
2446333c 19#include "blockdev.h"
cdbdb648 20
cdbdb648
PB
21/* Primary interrupt controller. */
22
23typedef struct vpb_sic_state
24{
3950f18b 25 SysBusDevice busdev;
cdbdb648
PB
26 uint32_t level;
27 uint32_t mask;
28 uint32_t pic_enable;
97aff481 29 qemu_irq parent[32];
cdbdb648
PB
30 int irq;
31} vpb_sic_state;
32
a796d0ac
PM
33static const VMStateDescription vmstate_vpb_sic = {
34 .name = "versatilepb_sic",
35 .version_id = 1,
36 .minimum_version_id = 1,
37 .fields = (VMStateField[]) {
38 VMSTATE_UINT32(level, vpb_sic_state),
39 VMSTATE_UINT32(mask, vpb_sic_state),
40 VMSTATE_UINT32(pic_enable, vpb_sic_state),
41 VMSTATE_END_OF_LIST()
42 }
43};
44
cdbdb648
PB
45static void vpb_sic_update(vpb_sic_state *s)
46{
47 uint32_t flags;
48
49 flags = s->level & s->mask;
d537cf6c 50 qemu_set_irq(s->parent[s->irq], flags != 0);
cdbdb648
PB
51}
52
53static void vpb_sic_update_pic(vpb_sic_state *s)
54{
55 int i;
56 uint32_t mask;
57
58 for (i = 21; i <= 30; i++) {
59 mask = 1u << i;
60 if (!(s->pic_enable & mask))
61 continue;
d537cf6c 62 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
cdbdb648
PB
63 }
64}
65
66static void vpb_sic_set_irq(void *opaque, int irq, int level)
67{
68 vpb_sic_state *s = (vpb_sic_state *)opaque;
69 if (level)
70 s->level |= 1u << irq;
71 else
72 s->level &= ~(1u << irq);
73 if (s->pic_enable & (1u << irq))
d537cf6c 74 qemu_set_irq(s->parent[irq], level);
cdbdb648
PB
75 vpb_sic_update(s);
76}
77
c227f099 78static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
cdbdb648
PB
79{
80 vpb_sic_state *s = (vpb_sic_state *)opaque;
81
cdbdb648
PB
82 switch (offset >> 2) {
83 case 0: /* STATUS */
84 return s->level & s->mask;
85 case 1: /* RAWSTAT */
86 return s->level;
87 case 2: /* ENABLE */
88 return s->mask;
89 case 4: /* SOFTINT */
90 return s->level & 1;
91 case 8: /* PICENABLE */
92 return s->pic_enable;
93 default:
e69954b9 94 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
cdbdb648
PB
95 return 0;
96 }
97}
98
c227f099 99static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
cdbdb648
PB
100 uint32_t value)
101{
102 vpb_sic_state *s = (vpb_sic_state *)opaque;
cdbdb648
PB
103
104 switch (offset >> 2) {
105 case 2: /* ENSET */
106 s->mask |= value;
107 break;
108 case 3: /* ENCLR */
109 s->mask &= ~value;
110 break;
111 case 4: /* SOFTINTSET */
112 if (value)
113 s->mask |= 1;
114 break;
115 case 5: /* SOFTINTCLR */
116 if (value)
117 s->mask &= ~1u;
118 break;
119 case 8: /* PICENSET */
120 s->pic_enable |= (value & 0x7fe00000);
121 vpb_sic_update_pic(s);
122 break;
123 case 9: /* PICENCLR */
124 s->pic_enable &= ~value;
125 vpb_sic_update_pic(s);
126 break;
127 default:
e69954b9 128 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
cdbdb648
PB
129 return;
130 }
131 vpb_sic_update(s);
132}
133
d60efc6b 134static CPUReadMemoryFunc * const vpb_sic_readfn[] = {
cdbdb648
PB
135 vpb_sic_read,
136 vpb_sic_read,
137 vpb_sic_read
138};
139
d60efc6b 140static CPUWriteMemoryFunc * const vpb_sic_writefn[] = {
cdbdb648
PB
141 vpb_sic_write,
142 vpb_sic_write,
143 vpb_sic_write
144};
145
81a322d4 146static int vpb_sic_init(SysBusDevice *dev)
cdbdb648 147{
3950f18b 148 vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
cdbdb648 149 int iomemtype;
97aff481 150 int i;
cdbdb648 151
067a3ddc 152 qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32);
97aff481 153 for (i = 0; i < 32; i++) {
3950f18b 154 sysbus_init_irq(dev, &s->parent[i]);
97aff481 155 }
3950f18b 156 s->irq = 31;
1eed09cb 157 iomemtype = cpu_register_io_memory(vpb_sic_readfn,
2507c12a
AG
158 vpb_sic_writefn, s,
159 DEVICE_NATIVE_ENDIAN);
3950f18b 160 sysbus_init_mmio(dev, 0x1000, iomemtype);
81a322d4 161 return 0;
cdbdb648
PB
162}
163
164/* Board init. */
165
16406950
PB
166/* The AB and PB boards both use the same core, just with different
167 peripherans and expansion busses. For now we emulate a subset of the
168 PB peripherals and just change the board ID. */
cdbdb648 169
f93eb9ff
AZ
170static struct arm_boot_info versatile_binfo;
171
c227f099 172static void versatile_init(ram_addr_t ram_size,
3023f332 173 const char *boot_device,
cdbdb648 174 const char *kernel_filename, const char *kernel_cmdline,
3371d272
PB
175 const char *initrd_filename, const char *cpu_model,
176 int board_id)
cdbdb648
PB
177{
178 CPUState *env;
c227f099 179 ram_addr_t ram_offset;
97aff481
PB
180 qemu_irq *cpu_pic;
181 qemu_irq pic[32];
3950f18b 182 qemu_irq sic[32];
242ea2c6 183 DeviceState *dev, *sysctl;
7d6e771f 184 SysBusDevice *busdev;
d028d02d 185 DeviceState *pl041;
502a5395
PB
186 PCIBus *pci_bus;
187 NICInfo *nd;
188 int n;
189 int done_smc = 0;
cdbdb648 190
3371d272
PB
191 if (!cpu_model)
192 cpu_model = "arm926";
aaed909a
FB
193 env = cpu_init(cpu_model);
194 if (!env) {
195 fprintf(stderr, "Unable to find CPU definition\n");
196 exit(1);
197 }
1724f049 198 ram_offset = qemu_ram_alloc(NULL, "versatile.ram", ram_size);
1235fc06 199 /* ??? RAM should repeat to fill physical memory space. */
cdbdb648 200 /* SDRAM at address zero. */
7ffab4d7 201 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
cdbdb648 202
242ea2c6
PM
203 sysctl = qdev_create(NULL, "realview_sysctl");
204 qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
205 qdev_init_nofail(sysctl);
206 qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000);
207 sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
208
97aff481
PB
209 cpu_pic = arm_pic_init_cpu(env);
210 dev = sysbus_create_varargs("pl190", 0x10140000,
211 cpu_pic[0], cpu_pic[1], NULL);
212 for (n = 0; n < 32; n++) {
067a3ddc 213 pic[n] = qdev_get_gpio_in(dev, n);
97aff481 214 }
3950f18b
PB
215 dev = sysbus_create_simple("versatilepb_sic", 0x10003000, NULL);
216 for (n = 0; n < 32; n++) {
217 sysbus_connect_irq(sysbus_from_qdev(dev), n, pic[n]);
067a3ddc 218 sic[n] = qdev_get_gpio_in(dev, n);
3950f18b 219 }
86394e96
PB
220
221 sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
222 sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
cdbdb648 223
7d6e771f
PM
224 dev = qdev_create(NULL, "versatile_pci");
225 busdev = sysbus_from_qdev(dev);
226 qdev_init_nofail(dev);
227 sysbus_mmio_map(busdev, 0, 0x41000000); /* PCI self-config */
228 sysbus_mmio_map(busdev, 1, 0x42000000); /* PCI config */
229 sysbus_connect_irq(busdev, 0, sic[27]);
230 sysbus_connect_irq(busdev, 1, sic[28]);
231 sysbus_connect_irq(busdev, 2, sic[29]);
232 sysbus_connect_irq(busdev, 3, sic[30]);
02e2da45 233 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
0027b06d 234
502a5395
PB
235 /* The Versatile PCI bridge does not provide access to PCI IO space,
236 so many of the qemu PCI devices are not useable. */
237 for(n = 0; n < nb_nics; n++) {
238 nd = &nd_table[n];
0ae18cee 239
e6b3c8ca 240 if (!done_smc && (!nd->model || strcmp(nd->model, "smc91c111") == 0)) {
d537cf6c 241 smc91c111_init(nd, 0x10010000, sic[25]);
0ae18cee 242 done_smc = 1;
cdbdb648 243 } else {
07caea31 244 pci_nic_init_nofail(nd, "rtl8139", NULL);
cdbdb648
PB
245 }
246 }
0d92ed30 247 if (usb_enabled) {
a67ba3b6 248 usb_ohci_init_pci(pci_bus, -1);
0d92ed30 249 }
9be5dafe
PB
250 n = drive_get_max_bus(IF_SCSI);
251 while (n >= 0) {
252 pci_create_simple(pci_bus, -1, "lsi53c895a");
253 n--;
7d8406be 254 }
cdbdb648 255
a7d518a6
PB
256 sysbus_create_simple("pl011", 0x101f1000, pic[12]);
257 sysbus_create_simple("pl011", 0x101f2000, pic[13]);
258 sysbus_create_simple("pl011", 0x101f3000, pic[14]);
259 sysbus_create_simple("pl011", 0x10009000, sic[6]);
cdbdb648 260
b4496b13 261 sysbus_create_simple("pl080", 0x10130000, pic[17]);
6a824ec3
PB
262 sysbus_create_simple("sp804", 0x101e2000, pic[4]);
263 sysbus_create_simple("sp804", 0x101e3000, pic[5]);
cdbdb648
PB
264
265 /* The versatile/PB actually has a modified Color LCD controller
266 that includes hardware cursor support from the PL111. */
242ea2c6
PM
267 dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
268 /* Wire up the mux control signals from the SYS_CLCD register */
269 qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0));
cdbdb648 270
aa9311d8
PB
271 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
272 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
a1bb27b1 273
7e1543c2 274 /* Add PL031 Real Time Clock. */
a63bdb31 275 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
7e1543c2 276
d028d02d
MS
277 /* Add PL041 AACI Interface to the LM4549 codec */
278 pl041 = qdev_create(NULL, "pl041");
279 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
280 qdev_init_nofail(pl041);
281 sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000);
282 sysbus_connect_irq(sysbus_from_qdev(pl041), 0, sic[24]);
283
16406950 284 /* Memory map for Versatile/PB: */
cdbdb648
PB
285 /* 0x10000000 System registers. */
286 /* 0x10001000 PCI controller config registers. */
287 /* 0x10002000 Serial bus interface. */
288 /* 0x10003000 Secondary interrupt controller. */
289 /* 0x10004000 AACI (audio). */
a1bb27b1 290 /* 0x10005000 MMCI0. */
cdbdb648
PB
291 /* 0x10006000 KMI0 (keyboard). */
292 /* 0x10007000 KMI1 (mouse). */
293 /* 0x10008000 Character LCD Interface. */
294 /* 0x10009000 UART3. */
295 /* 0x1000a000 Smart card 1. */
a1bb27b1 296 /* 0x1000b000 MMCI1. */
cdbdb648
PB
297 /* 0x10010000 Ethernet. */
298 /* 0x10020000 USB. */
299 /* 0x10100000 SSMC. */
300 /* 0x10110000 MPMC. */
301 /* 0x10120000 CLCD Controller. */
302 /* 0x10130000 DMA Controller. */
303 /* 0x10140000 Vectored interrupt controller. */
304 /* 0x101d0000 AHB Monitor Interface. */
305 /* 0x101e0000 System Controller. */
306 /* 0x101e1000 Watchdog Interface. */
307 /* 0x101e2000 Timer 0/1. */
308 /* 0x101e3000 Timer 2/3. */
309 /* 0x101e4000 GPIO port 0. */
310 /* 0x101e5000 GPIO port 1. */
311 /* 0x101e6000 GPIO port 2. */
312 /* 0x101e7000 GPIO port 3. */
313 /* 0x101e8000 RTC. */
314 /* 0x101f0000 Smart card 0. */
315 /* 0x101f1000 UART0. */
316 /* 0x101f2000 UART1. */
317 /* 0x101f3000 UART2. */
318 /* 0x101f4000 SSPI. */
319
f93eb9ff
AZ
320 versatile_binfo.ram_size = ram_size;
321 versatile_binfo.kernel_filename = kernel_filename;
322 versatile_binfo.kernel_cmdline = kernel_cmdline;
323 versatile_binfo.initrd_filename = initrd_filename;
324 versatile_binfo.board_id = board_id;
325 arm_load_kernel(env, &versatile_binfo);
16406950
PB
326}
327
c227f099 328static void vpb_init(ram_addr_t ram_size,
3023f332 329 const char *boot_device,
16406950 330 const char *kernel_filename, const char *kernel_cmdline,
94fc95cd 331 const char *initrd_filename, const char *cpu_model)
16406950 332{
fbe1b595 333 versatile_init(ram_size,
3023f332 334 boot_device,
16406950 335 kernel_filename, kernel_cmdline,
3371d272 336 initrd_filename, cpu_model, 0x183);
16406950
PB
337}
338
c227f099 339static void vab_init(ram_addr_t ram_size,
3023f332 340 const char *boot_device,
16406950 341 const char *kernel_filename, const char *kernel_cmdline,
94fc95cd 342 const char *initrd_filename, const char *cpu_model)
16406950 343{
fbe1b595 344 versatile_init(ram_size,
3023f332 345 boot_device,
16406950 346 kernel_filename, kernel_cmdline,
3371d272 347 initrd_filename, cpu_model, 0x25e);
cdbdb648
PB
348}
349
f80f9ec9 350static QEMUMachine versatilepb_machine = {
c9b1ae2c
BS
351 .name = "versatilepb",
352 .desc = "ARM Versatile/PB (ARM926EJ-S)",
353 .init = vpb_init,
354 .use_scsi = 1,
cdbdb648 355};
16406950 356
f80f9ec9 357static QEMUMachine versatileab_machine = {
c9b1ae2c
BS
358 .name = "versatileab",
359 .desc = "ARM Versatile/AB (ARM926EJ-S)",
360 .init = vab_init,
361 .use_scsi = 1,
16406950 362};
3950f18b 363
f80f9ec9
AL
364static void versatile_machine_init(void)
365{
366 qemu_register_machine(&versatilepb_machine);
367 qemu_register_machine(&versatileab_machine);
368}
369
370machine_init(versatile_machine_init);
371
a796d0ac
PM
372static SysBusDeviceInfo vpb_sic_info = {
373 .init = vpb_sic_init,
374 .qdev.name = "versatilepb_sic",
375 .qdev.size = sizeof(vpb_sic_state),
376 .qdev.vmsd = &vmstate_vpb_sic,
377 .qdev.no_user = 1,
378};
379
3950f18b
PB
380static void versatilepb_register_devices(void)
381{
a796d0ac 382 sysbus_register_withprop(&vpb_sic_info);
3950f18b
PB
383}
384
385device_init(versatilepb_register_devices)