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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 11#include "arm-misc.h"
87ecb68b 12#include "devices.h"
1422e32d 13#include "net/net.h"
87ecb68b 14#include "sysemu.h"
a2cb15b0 15#include "pci/pci.h"
b1f05696 16#include "i2c.h"
87ecb68b 17#include "boards.h"
2446333c 18#include "blockdev.h"
022c62cb 19#include "exec/address-spaces.h"
964c695a
EB
20#include "flash.h"
21
22#define VERSATILE_FLASH_ADDR 0x34000000
23#define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
24#define VERSATILE_FLASH_SECT_SIZE (256 * 1024)
cdbdb648 25
cdbdb648
PB
26/* Primary interrupt controller. */
27
28typedef struct vpb_sic_state
29{
3950f18b 30 SysBusDevice busdev;
62ceeb2c 31 MemoryRegion iomem;
cdbdb648
PB
32 uint32_t level;
33 uint32_t mask;
34 uint32_t pic_enable;
97aff481 35 qemu_irq parent[32];
cdbdb648
PB
36 int irq;
37} vpb_sic_state;
38
a796d0ac
PM
39static const VMStateDescription vmstate_vpb_sic = {
40 .name = "versatilepb_sic",
41 .version_id = 1,
42 .minimum_version_id = 1,
43 .fields = (VMStateField[]) {
44 VMSTATE_UINT32(level, vpb_sic_state),
45 VMSTATE_UINT32(mask, vpb_sic_state),
46 VMSTATE_UINT32(pic_enable, vpb_sic_state),
47 VMSTATE_END_OF_LIST()
48 }
49};
50
cdbdb648
PB
51static void vpb_sic_update(vpb_sic_state *s)
52{
53 uint32_t flags;
54
55 flags = s->level & s->mask;
d537cf6c 56 qemu_set_irq(s->parent[s->irq], flags != 0);
cdbdb648
PB
57}
58
59static void vpb_sic_update_pic(vpb_sic_state *s)
60{
61 int i;
62 uint32_t mask;
63
64 for (i = 21; i <= 30; i++) {
65 mask = 1u << i;
66 if (!(s->pic_enable & mask))
67 continue;
d537cf6c 68 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
cdbdb648
PB
69 }
70}
71
72static void vpb_sic_set_irq(void *opaque, int irq, int level)
73{
74 vpb_sic_state *s = (vpb_sic_state *)opaque;
75 if (level)
76 s->level |= 1u << irq;
77 else
78 s->level &= ~(1u << irq);
79 if (s->pic_enable & (1u << irq))
d537cf6c 80 qemu_set_irq(s->parent[irq], level);
cdbdb648
PB
81 vpb_sic_update(s);
82}
83
a8170e5e 84static uint64_t vpb_sic_read(void *opaque, hwaddr offset,
62ceeb2c 85 unsigned size)
cdbdb648
PB
86{
87 vpb_sic_state *s = (vpb_sic_state *)opaque;
88
cdbdb648
PB
89 switch (offset >> 2) {
90 case 0: /* STATUS */
91 return s->level & s->mask;
92 case 1: /* RAWSTAT */
93 return s->level;
94 case 2: /* ENABLE */
95 return s->mask;
96 case 4: /* SOFTINT */
97 return s->level & 1;
98 case 8: /* PICENABLE */
99 return s->pic_enable;
100 default:
e69954b9 101 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
cdbdb648
PB
102 return 0;
103 }
104}
105
a8170e5e 106static void vpb_sic_write(void *opaque, hwaddr offset,
62ceeb2c 107 uint64_t value, unsigned size)
cdbdb648
PB
108{
109 vpb_sic_state *s = (vpb_sic_state *)opaque;
cdbdb648
PB
110
111 switch (offset >> 2) {
112 case 2: /* ENSET */
113 s->mask |= value;
114 break;
115 case 3: /* ENCLR */
116 s->mask &= ~value;
117 break;
118 case 4: /* SOFTINTSET */
119 if (value)
120 s->mask |= 1;
121 break;
122 case 5: /* SOFTINTCLR */
123 if (value)
124 s->mask &= ~1u;
125 break;
126 case 8: /* PICENSET */
127 s->pic_enable |= (value & 0x7fe00000);
128 vpb_sic_update_pic(s);
129 break;
130 case 9: /* PICENCLR */
131 s->pic_enable &= ~value;
132 vpb_sic_update_pic(s);
133 break;
134 default:
e69954b9 135 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
cdbdb648
PB
136 return;
137 }
138 vpb_sic_update(s);
139}
140
62ceeb2c
AK
141static const MemoryRegionOps vpb_sic_ops = {
142 .read = vpb_sic_read,
143 .write = vpb_sic_write,
144 .endianness = DEVICE_NATIVE_ENDIAN,
cdbdb648
PB
145};
146
81a322d4 147static int vpb_sic_init(SysBusDevice *dev)
cdbdb648 148{
3950f18b 149 vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
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;
62ceeb2c 157 memory_region_init_io(&s->iomem, &vpb_sic_ops, s, "vpb-sic", 0x1000);
750ecd44 158 sysbus_init_mmio(dev, &s->iomem);
81a322d4 159 return 0;
cdbdb648
PB
160}
161
162/* Board init. */
163
16406950 164/* The AB and PB boards both use the same core, just with different
370de023 165 peripherals and expansion busses. For now we emulate a subset of the
16406950 166 PB peripherals and just change the board ID. */
cdbdb648 167
f93eb9ff
AZ
168static struct arm_boot_info versatile_binfo;
169
1b523b5b 170static void versatile_init(QEMUMachineInitArgs *args, int board_id)
cdbdb648 171{
20e93374 172 ARMCPU *cpu;
62ceeb2c
AK
173 MemoryRegion *sysmem = get_system_memory();
174 MemoryRegion *ram = g_new(MemoryRegion, 1);
97aff481
PB
175 qemu_irq *cpu_pic;
176 qemu_irq pic[32];
3950f18b 177 qemu_irq sic[32];
242ea2c6 178 DeviceState *dev, *sysctl;
7d6e771f 179 SysBusDevice *busdev;
d028d02d 180 DeviceState *pl041;
502a5395
PB
181 PCIBus *pci_bus;
182 NICInfo *nd;
b1f05696 183 i2c_bus *i2c;
502a5395
PB
184 int n;
185 int done_smc = 0;
964c695a 186 DriveInfo *dinfo;
cdbdb648 187
1b523b5b
PM
188 if (!args->cpu_model) {
189 args->cpu_model = "arm926";
20e93374 190 }
1b523b5b 191 cpu = cpu_arm_init(args->cpu_model);
20e93374 192 if (!cpu) {
aaed909a
FB
193 fprintf(stderr, "Unable to find CPU definition\n");
194 exit(1);
195 }
1b523b5b 196 memory_region_init_ram(ram, "versatile.ram", args->ram_size);
c5705a77 197 vmstate_register_ram_global(ram);
1235fc06 198 /* ??? RAM should repeat to fill physical memory space. */
cdbdb648 199 /* SDRAM at address zero. */
62ceeb2c 200 memory_region_add_subregion(sysmem, 0, ram);
cdbdb648 201
242ea2c6
PM
202 sysctl = qdev_create(NULL, "realview_sysctl");
203 qdev_prop_set_uint32(sysctl, "sys_id", 0x41007004);
242ea2c6 204 qdev_prop_set_uint32(sysctl, "proc_id", 0x02000000);
7a65c8cc 205 qdev_init_nofail(sysctl);
242ea2c6
PM
206 sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
207
4bd74661 208 cpu_pic = arm_pic_init_cpu(cpu);
97aff481 209 dev = sysbus_create_varargs("pl190", 0x10140000,
02cd521f
SW
210 cpu_pic[ARM_PIC_CPU_IRQ],
211 cpu_pic[ARM_PIC_CPU_FIQ], NULL);
97aff481 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 }
094b287f 247 if (usb_enabled(false)) {
afb9a60e 248 pci_create_simple(pci_bus, -1, "pci-ohci");
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 264
853e65e0
JCPV
265 sysbus_create_simple("pl061", 0x101e4000, pic[6]);
266 sysbus_create_simple("pl061", 0x101e5000, pic[7]);
267 sysbus_create_simple("pl061", 0x101e6000, pic[8]);
268 sysbus_create_simple("pl061", 0x101e7000, pic[9]);
269
cdbdb648
PB
270 /* The versatile/PB actually has a modified Color LCD controller
271 that includes hardware cursor support from the PL111. */
242ea2c6
PM
272 dev = sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
273 /* Wire up the mux control signals from the SYS_CLCD register */
274 qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0));
cdbdb648 275
aa9311d8
PB
276 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
277 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
a1bb27b1 278
7e1543c2 279 /* Add PL031 Real Time Clock. */
a63bdb31 280 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
7e1543c2 281
b1f05696
OA
282 dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL);
283 i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
284 i2c_create_slave(i2c, "ds1338", 0x68);
285
d028d02d
MS
286 /* Add PL041 AACI Interface to the LM4549 codec */
287 pl041 = qdev_create(NULL, "pl041");
288 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
289 qdev_init_nofail(pl041);
290 sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000);
291 sysbus_connect_irq(sysbus_from_qdev(pl041), 0, sic[24]);
292
16406950 293 /* Memory map for Versatile/PB: */
cdbdb648
PB
294 /* 0x10000000 System registers. */
295 /* 0x10001000 PCI controller config registers. */
296 /* 0x10002000 Serial bus interface. */
297 /* 0x10003000 Secondary interrupt controller. */
298 /* 0x10004000 AACI (audio). */
a1bb27b1 299 /* 0x10005000 MMCI0. */
cdbdb648
PB
300 /* 0x10006000 KMI0 (keyboard). */
301 /* 0x10007000 KMI1 (mouse). */
302 /* 0x10008000 Character LCD Interface. */
303 /* 0x10009000 UART3. */
304 /* 0x1000a000 Smart card 1. */
a1bb27b1 305 /* 0x1000b000 MMCI1. */
cdbdb648
PB
306 /* 0x10010000 Ethernet. */
307 /* 0x10020000 USB. */
308 /* 0x10100000 SSMC. */
309 /* 0x10110000 MPMC. */
310 /* 0x10120000 CLCD Controller. */
311 /* 0x10130000 DMA Controller. */
312 /* 0x10140000 Vectored interrupt controller. */
313 /* 0x101d0000 AHB Monitor Interface. */
314 /* 0x101e0000 System Controller. */
315 /* 0x101e1000 Watchdog Interface. */
316 /* 0x101e2000 Timer 0/1. */
317 /* 0x101e3000 Timer 2/3. */
318 /* 0x101e4000 GPIO port 0. */
319 /* 0x101e5000 GPIO port 1. */
320 /* 0x101e6000 GPIO port 2. */
321 /* 0x101e7000 GPIO port 3. */
322 /* 0x101e8000 RTC. */
323 /* 0x101f0000 Smart card 0. */
324 /* 0x101f1000 UART0. */
325 /* 0x101f2000 UART1. */
326 /* 0x101f3000 UART2. */
327 /* 0x101f4000 SSPI. */
964c695a
EB
328 /* 0x34000000 NOR Flash */
329
330 dinfo = drive_get(IF_PFLASH, 0, 0);
331 if (!pflash_cfi01_register(VERSATILE_FLASH_ADDR, NULL, "versatile.flash",
332 VERSATILE_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
333 VERSATILE_FLASH_SECT_SIZE,
334 VERSATILE_FLASH_SIZE / VERSATILE_FLASH_SECT_SIZE,
335 4, 0x0089, 0x0018, 0x0000, 0x0, 0)) {
336 fprintf(stderr, "qemu: Error registering flash memory.\n");
337 }
cdbdb648 338
1b523b5b
PM
339 versatile_binfo.ram_size = args->ram_size;
340 versatile_binfo.kernel_filename = args->kernel_filename;
341 versatile_binfo.kernel_cmdline = args->kernel_cmdline;
342 versatile_binfo.initrd_filename = args->initrd_filename;
f93eb9ff 343 versatile_binfo.board_id = board_id;
3aaa8dfa 344 arm_load_kernel(cpu, &versatile_binfo);
16406950
PB
345}
346
5f072e1f 347static void vpb_init(QEMUMachineInitArgs *args)
16406950 348{
1b523b5b 349 versatile_init(args, 0x183);
16406950
PB
350}
351
5f072e1f 352static void vab_init(QEMUMachineInitArgs *args)
16406950 353{
1b523b5b 354 versatile_init(args, 0x25e);
cdbdb648
PB
355}
356
f80f9ec9 357static QEMUMachine versatilepb_machine = {
c9b1ae2c
BS
358 .name = "versatilepb",
359 .desc = "ARM Versatile/PB (ARM926EJ-S)",
360 .init = vpb_init,
2d0d2837 361 .block_default_type = IF_SCSI,
cdbdb648 362};
16406950 363
f80f9ec9 364static QEMUMachine versatileab_machine = {
c9b1ae2c
BS
365 .name = "versatileab",
366 .desc = "ARM Versatile/AB (ARM926EJ-S)",
367 .init = vab_init,
2d0d2837 368 .block_default_type = IF_SCSI,
16406950 369};
3950f18b 370
f80f9ec9
AL
371static void versatile_machine_init(void)
372{
373 qemu_register_machine(&versatilepb_machine);
374 qemu_register_machine(&versatileab_machine);
375}
376
377machine_init(versatile_machine_init);
378
999e12bb
AL
379static void vpb_sic_class_init(ObjectClass *klass, void *data)
380{
39bffca2 381 DeviceClass *dc = DEVICE_CLASS(klass);
999e12bb
AL
382 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
383
384 k->init = vpb_sic_init;
39bffca2
AL
385 dc->no_user = 1;
386 dc->vmsd = &vmstate_vpb_sic;
999e12bb
AL
387}
388
39bffca2
AL
389static TypeInfo vpb_sic_info = {
390 .name = "versatilepb_sic",
391 .parent = TYPE_SYS_BUS_DEVICE,
392 .instance_size = sizeof(vpb_sic_state),
393 .class_init = vpb_sic_class_init,
a796d0ac
PM
394};
395
83f7d43a 396static void versatilepb_register_types(void)
3950f18b 397{
39bffca2 398 type_register_static(&vpb_sic_info);
3950f18b
PB
399}
400
83f7d43a 401type_init(versatilepb_register_types)