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1 /*
2 * ARM RealView Baseboard System emulation.
3 *
4 * Copyright (c) 2006-2007 CodeSourcery.
5 * Written by Paul Brook
6 *
7 * This code is licensed under the GPL.
8 */
9
10 #include "qemu/osdep.h"
11 #include "qapi/error.h"
12 #include "target/arm/cpu.h"
13 #include "hw/core/sysbus.h"
14 #include "hw/arm/boot.h"
15 #include "hw/arm/machines-qom.h"
16 #include "hw/core/split-irq.h"
17 #include "hw/misc/arm_sysctl.h"
18 #include "hw/net/lan9118.h"
19 #include "hw/net/smc91c111.h"
20 #include "hw/pci/pci.h"
21 #include "hw/core/qdev.h"
22 #include "net/net.h"
23 #include "system/system.h"
24 #include "hw/core/boards.h"
25 #include "hw/i2c/i2c.h"
26 #include "qemu/error-report.h"
27 #include "hw/char/pl011.h"
28 #include "hw/cpu/a9mpcore.h"
29 #include "hw/intc/realview_gic.h"
30 #include "hw/core/irq.h"
31 #include "hw/i2c/arm_sbcon_i2c.h"
32 #include "hw/sd/sd.h"
33 #include "target/arm/cpu-qom.h"
34
35 #define SMP_BOOT_ADDR 0xe0000000
36 #define SMP_BOOTREG_ADDR 0x10000030
37
38 #define GIC_EXT_IRQS 64 /* Realview PBX-A9 development board */
39
40 /* Board init. */
41
42 typedef struct RealViewMachineState {
43 MachineState parent;
44
45 struct arm_boot_info bootinfo;
46 } RealViewMachineState;
47
48 /* The following two lists must be consistent. */
49 enum realview_board_type {
50 BOARD_EB,
51 BOARD_EB_MPCORE,
52 BOARD_PB_A8,
53 BOARD_PBX_A9,
54 };
55
56 static const int realview_board_id[] = {
57 0x33b,
58 0x33b,
59 0x769,
60 0x76d
61 };
62
63 static void split_irq_from_named(DeviceState *src, const char* outname,
64 qemu_irq out1, qemu_irq out2) {
65 DeviceState *splitter = qdev_new(TYPE_SPLIT_IRQ);
66
67 qdev_prop_set_uint32(splitter, "num-lines", 2);
68
69 qdev_realize_and_unref(splitter, NULL, &error_fatal);
70
71 qdev_connect_gpio_out(splitter, 0, out1);
72 qdev_connect_gpio_out(splitter, 1, out2);
73 qdev_connect_gpio_out_named(src, outname, 0,
74 qdev_get_gpio_in(splitter, 0));
75 }
76
77 static void realview_init(MachineState *machine,
78 enum realview_board_type board_type)
79 {
80 /* All realview-* machines embed the same state as their first member */
81 RealViewMachineState *rvms = (RealViewMachineState *)machine;
82 ARMCPU *cpu = NULL;
83 CPUARMState *env;
84 MemoryRegion *sysmem = get_system_memory();
85 MemoryRegion *ram_lo;
86 MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
87 MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
88 MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
89 DeviceState *dev, *sysctl, *gpio2, *pl041;
90 SysBusDevice *busdev;
91 qemu_irq pic[64];
92 PCIBus *pci_bus = NULL;
93 DriveInfo *dinfo;
94 I2CBus *i2c;
95 int n;
96 unsigned int smp_cpus = machine->smp.cpus;
97 qemu_irq cpu_irq[4];
98 int is_mpcore = 0;
99 int is_pb = 0;
100 uint32_t proc_id = 0;
101 uint32_t sys_id;
102 ram_addr_t low_ram_size;
103 ram_addr_t ram_size = machine->ram_size;
104 hwaddr periphbase = 0;
105
106 switch (board_type) {
107 case BOARD_EB:
108 break;
109 case BOARD_EB_MPCORE:
110 is_mpcore = 1;
111 periphbase = 0x10100000;
112 break;
113 case BOARD_PB_A8:
114 is_pb = 1;
115 break;
116 case BOARD_PBX_A9:
117 is_mpcore = 1;
118 is_pb = 1;
119 periphbase = 0x1f000000;
120 break;
121 }
122
123 for (n = 0; n < smp_cpus; n++) {
124 Object *cpuobj = object_new(machine->cpu_type);
125
126 /* By default A9,A15 and ARM1176 CPUs have EL3 enabled. This board
127 * does not currently support EL3 so the CPU EL3 property is disabled
128 * before realization.
129 */
130 if (object_property_find(cpuobj, "has_el3")) {
131 object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
132 }
133
134 if (is_pb && is_mpcore) {
135 object_property_set_int(cpuobj, "reset-cbar", periphbase,
136 &error_fatal);
137 }
138
139 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
140
141 cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ);
142 }
143 cpu = ARM_CPU(first_cpu);
144 env = &cpu->env;
145 if (arm_feature(env, ARM_FEATURE_V7)) {
146 if (is_mpcore) {
147 proc_id = 0x0c000000;
148 } else {
149 proc_id = 0x0e000000;
150 }
151 } else if (arm_feature(env, ARM_FEATURE_V6K)) {
152 proc_id = 0x06000000;
153 } else if (arm_feature(env, ARM_FEATURE_V6)) {
154 proc_id = 0x04000000;
155 } else {
156 proc_id = 0x02000000;
157 }
158
159 if (is_pb && ram_size > 0x20000000) {
160 /* Core tile RAM. */
161 ram_lo = g_new(MemoryRegion, 1);
162 low_ram_size = ram_size - 0x20000000;
163 ram_size = 0x20000000;
164 memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size,
165 &error_fatal);
166 memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
167 }
168
169 memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size,
170 &error_fatal);
171 low_ram_size = ram_size;
172 if (low_ram_size > 0x10000000)
173 low_ram_size = 0x10000000;
174 /* SDRAM at address zero. */
175 memory_region_init_alias(ram_alias, NULL, "realview.alias",
176 ram_hi, 0, low_ram_size);
177 memory_region_add_subregion(sysmem, 0, ram_alias);
178 if (is_pb) {
179 /* And again at a high address. */
180 memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
181 } else {
182 ram_size = low_ram_size;
183 }
184
185 sys_id = is_pb ? 0x01780500 : 0xc1400400;
186 sysctl = qdev_new("realview_sysctl");
187 qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
188 qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
189 sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
190 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
191
192 if (is_mpcore) {
193 if (is_pb) {
194 dev = qdev_new(TYPE_A9MPCORE_PRIV);
195 qdev_prop_set_uint32(dev, "num-irq", GIC_EXT_IRQS + GIC_INTERNAL);
196 } else {
197 dev = qdev_new("realview_mpcore");
198 }
199 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
200 busdev = SYS_BUS_DEVICE(dev);
201 sysbus_realize_and_unref(busdev, &error_fatal);
202 sysbus_mmio_map(busdev, 0, periphbase);
203 for (n = 0; n < smp_cpus; n++) {
204 sysbus_connect_irq(busdev, n, cpu_irq[n]);
205 }
206 sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
207 /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
208 rvms->bootinfo.gic_cpu_if_addr = periphbase + 0x100;
209 } else {
210 uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
211 /* For now just create the nIRQ GIC, and ignore the others. */
212 dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]);
213 }
214 for (n = 0; n < GIC_EXT_IRQS; n++) {
215 pic[n] = qdev_get_gpio_in(dev, n);
216 }
217
218 pl041 = qdev_new("pl041");
219 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
220 if (machine->audiodev) {
221 qdev_prop_set_string(pl041, "audiodev", machine->audiodev);
222 }
223 sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
224 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
225 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
226
227 sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
228 sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
229
230 pl011_create(0x10009000, pic[12], serial_hd(0));
231 pl011_create(0x1000a000, pic[13], serial_hd(1));
232 pl011_create(0x1000b000, pic[14], serial_hd(2));
233 pl011_create(0x1000c000, pic[15], serial_hd(3));
234
235 /* DMA controller is optional, apparently. */
236 dev = qdev_new("pl081");
237 object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem),
238 &error_fatal);
239 busdev = SYS_BUS_DEVICE(dev);
240 sysbus_realize_and_unref(busdev, &error_fatal);
241 sysbus_mmio_map(busdev, 0, 0x10030000);
242 sysbus_connect_irq(busdev, 0, pic[24]);
243
244 sysbus_create_simple("sp804", 0x10011000, pic[4]);
245 sysbus_create_simple("sp804", 0x10012000, pic[5]);
246
247 sysbus_create_simple("pl061", 0x10013000, pic[6]);
248 sysbus_create_simple("pl061", 0x10014000, pic[7]);
249 gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
250
251 dev = qdev_new("pl111");
252 object_property_set_link(OBJECT(dev), "framebuffer-memory",
253 OBJECT(sysmem), &error_fatal);
254 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
255 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0x10020000);
256 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[23]);
257
258 dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
259 /* Wire up MMC card detect and read-only signals. These have
260 * to go to both the PL061 GPIO and the sysctl register.
261 * Note that the PL181 orders these lines (readonly,inserted)
262 * and the PL061 has them the other way about. Also the card
263 * detect line is inverted.
264 */
265 split_irq_from_named(dev, "card-read-only",
266 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
267 qdev_get_gpio_in(gpio2, 1));
268
269 split_irq_from_named(dev, "card-inserted",
270 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
271 qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
272
273 dinfo = drive_get(IF_SD, 0, 0);
274 if (dinfo) {
275 DeviceState *card;
276
277 card = qdev_new(TYPE_SD_CARD);
278 qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
279 &error_fatal);
280 qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
281 &error_fatal);
282 }
283
284 sysbus_create_simple("pl031", 0x10017000, pic[10]);
285
286 if (!is_pb) {
287 dev = qdev_new("realview_pci");
288 busdev = SYS_BUS_DEVICE(dev);
289 sysbus_realize_and_unref(busdev, &error_fatal);
290 sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */
291 sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */
292 sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */
293 sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */
294 sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */
295 sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */
296 sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */
297 sysbus_connect_irq(busdev, 0, pic[48]);
298 sysbus_connect_irq(busdev, 1, pic[49]);
299 sysbus_connect_irq(busdev, 2, pic[50]);
300 sysbus_connect_irq(busdev, 3, pic[51]);
301 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
302 if (machine_usb(machine)) {
303 pci_create_simple(pci_bus, -1, "pci-ohci");
304 }
305 n = drive_get_max_bus(IF_SCSI);
306 while (n >= 0) {
307 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
308 lsi53c8xx_handle_legacy_cmdline(dev);
309 n--;
310 }
311 }
312
313 if (qemu_find_nic_info(is_pb ? "lan9118" : "smc91c111", true, NULL)) {
314 if (is_pb) {
315 lan9118_init(0x4e000000, pic[28]);
316 } else {
317 smc91c111_init(0x4e000000, pic[28]);
318 }
319 }
320
321 if (pci_bus) {
322 pci_init_nic_devices(pci_bus, "rtl8139");
323 }
324
325 dev = sysbus_create_simple(TYPE_ARM_SBCON_I2C, 0x10002000, NULL);
326 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
327 i2c_slave_create_simple(i2c, "ds1338", 0x68);
328
329 /* Memory map for RealView Emulation Baseboard: */
330 /* 0x10000000 System registers. */
331 /* 0x10001000 System controller. */
332 /* 0x10002000 Two-Wire Serial Bus. */
333 /* 0x10003000 Reserved. */
334 /* 0x10004000 AACI. */
335 /* 0x10005000 MCI. */
336 /* 0x10006000 KMI0. */
337 /* 0x10007000 KMI1. */
338 /* 0x10008000 Character LCD. (EB) */
339 /* 0x10009000 UART0. */
340 /* 0x1000a000 UART1. */
341 /* 0x1000b000 UART2. */
342 /* 0x1000c000 UART3. */
343 /* 0x1000d000 SSPI. */
344 /* 0x1000e000 SCI. */
345 /* 0x1000f000 Reserved. */
346 /* 0x10010000 Watchdog. */
347 /* 0x10011000 Timer 0+1. */
348 /* 0x10012000 Timer 2+3. */
349 /* 0x10013000 GPIO 0. */
350 /* 0x10014000 GPIO 1. */
351 /* 0x10015000 GPIO 2. */
352 /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */
353 /* 0x10017000 RTC. */
354 /* 0x10018000 DMC. */
355 /* 0x10019000 PCI controller config. */
356 /* 0x10020000 CLCD. */
357 /* 0x10030000 DMA Controller. */
358 /* 0x10040000 GIC1. (EB) */
359 /* 0x10050000 GIC2. (EB) */
360 /* 0x10060000 GIC3. (EB) */
361 /* 0x10070000 GIC4. (EB) */
362 /* 0x10080000 SMC. */
363 /* 0x1e000000 GIC1. (PB) */
364 /* 0x1e001000 GIC2. (PB) */
365 /* 0x1e002000 GIC3. (PB) */
366 /* 0x1e003000 GIC4. (PB) */
367 /* 0x40000000 NOR flash. */
368 /* 0x44000000 DoC flash. */
369 /* 0x48000000 SRAM. */
370 /* 0x4c000000 Configuration flash. */
371 /* 0x4e000000 Ethernet. */
372 /* 0x4f000000 USB. */
373 /* 0x50000000 PISMO. */
374 /* 0x54000000 PISMO. */
375 /* 0x58000000 PISMO. */
376 /* 0x5c000000 PISMO. */
377 /* 0x60000000 PCI. */
378 /* 0x60000000 PCI Self Config. */
379 /* 0x61000000 PCI Config. */
380 /* 0x62000000 PCI IO. */
381 /* 0x63000000 PCI mem 0. */
382 /* 0x64000000 PCI mem 1. */
383 /* 0x68000000 PCI mem 2. */
384
385 /* ??? Hack to map an additional page of ram for the secondary CPU
386 startup code. I guess this works on real hardware because the
387 BootROM happens to be in ROM/flash or in memory that isn't clobbered
388 until after Linux boots the secondary CPUs. */
389 memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000,
390 &error_fatal);
391 memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
392
393 rvms->bootinfo.smp_loader_start = SMP_BOOT_ADDR;
394 rvms->bootinfo.smp_bootreg_addr = SMP_BOOTREG_ADDR;
395 rvms->bootinfo.ram_size = ram_size;
396 rvms->bootinfo.board_id = realview_board_id[board_type];
397 rvms->bootinfo.loader_start = board_type == BOARD_PB_A8 ? 0x70000000 : 0;
398 arm_load_kernel(cpu, machine, &rvms->bootinfo);
399 }
400
401 static void realview_eb_init(MachineState *machine)
402 {
403 realview_init(machine, BOARD_EB);
404 }
405
406 static void realview_eb_mpcore_init(MachineState *machine)
407 {
408 realview_init(machine, BOARD_EB_MPCORE);
409 }
410
411 static void realview_pb_a8_init(MachineState *machine)
412 {
413 realview_init(machine, BOARD_PB_A8);
414 }
415
416 static void realview_pbx_a9_init(MachineState *machine)
417 {
418 realview_init(machine, BOARD_PBX_A9);
419 }
420
421 static void realview_eb_class_init(ObjectClass *oc, const void *data)
422 {
423 MachineClass *mc = MACHINE_CLASS(oc);
424
425 mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
426 mc->init = realview_eb_init;
427 mc->block_default_type = IF_SCSI;
428 mc->ignore_memory_transaction_failures = true;
429 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
430 mc->auto_create_sdcard = true;
431
432 machine_add_audiodev_property(mc);
433 }
434
435 static const TypeInfo realview_eb_type = {
436 .name = MACHINE_TYPE_NAME("realview-eb"),
437 .parent = TYPE_MACHINE,
438 .class_init = realview_eb_class_init,
439 .instance_size = sizeof(RealViewMachineState),
440 .interfaces = arm_machine_interfaces,
441 };
442
443 static void realview_eb_mpcore_class_init(ObjectClass *oc, const void *data)
444 {
445 MachineClass *mc = MACHINE_CLASS(oc);
446
447 mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
448 mc->init = realview_eb_mpcore_init;
449 mc->block_default_type = IF_SCSI;
450 mc->max_cpus = 4;
451 mc->ignore_memory_transaction_failures = true;
452 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
453 mc->auto_create_sdcard = true;
454
455 machine_add_audiodev_property(mc);
456 }
457
458 static const TypeInfo realview_eb_mpcore_type = {
459 .name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
460 .parent = TYPE_MACHINE,
461 .class_init = realview_eb_mpcore_class_init,
462 .instance_size = sizeof(RealViewMachineState),
463 .interfaces = arm_machine_interfaces,
464 };
465
466 static void realview_pb_a8_class_init(ObjectClass *oc, const void *data)
467 {
468 MachineClass *mc = MACHINE_CLASS(oc);
469
470 mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
471 mc->init = realview_pb_a8_init;
472 mc->ignore_memory_transaction_failures = true;
473 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
474 mc->auto_create_sdcard = true;
475
476 machine_add_audiodev_property(mc);
477 }
478
479 static const TypeInfo realview_pb_a8_type = {
480 .name = MACHINE_TYPE_NAME("realview-pb-a8"),
481 .parent = TYPE_MACHINE,
482 .class_init = realview_pb_a8_class_init,
483 .instance_size = sizeof(RealViewMachineState),
484 .interfaces = arm_machine_interfaces,
485 };
486
487 static void realview_pbx_a9_class_init(ObjectClass *oc, const void *data)
488 {
489 MachineClass *mc = MACHINE_CLASS(oc);
490
491 mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
492 mc->init = realview_pbx_a9_init;
493 mc->max_cpus = 4;
494 mc->ignore_memory_transaction_failures = true;
495 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
496 mc->auto_create_sdcard = true;
497
498 machine_add_audiodev_property(mc);
499 }
500
501 static const TypeInfo realview_pbx_a9_type = {
502 .name = MACHINE_TYPE_NAME("realview-pbx-a9"),
503 .parent = TYPE_MACHINE,
504 .class_init = realview_pbx_a9_class_init,
505 .instance_size = sizeof(RealViewMachineState),
506 .interfaces = arm_machine_interfaces,
507 };
508
509 static void realview_machine_init(void)
510 {
511 type_register_static(&realview_eb_type);
512 type_register_static(&realview_eb_mpcore_type);
513 type_register_static(&realview_pb_a8_type);
514 type_register_static(&realview_pbx_a9_type);
515 }
516
517 type_init(realview_machine_init)