Merge tag 'seabios-20211203-pull-request' of git://git.kraxel.org/qemu into staging
[qemu.git] / hw / arm / realview.c
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 "cpu.h"
13 #include "hw/sysbus.h"
14 #include "hw/arm/boot.h"
15 #include "hw/arm/primecell.h"
16 #include "hw/net/lan9118.h"
17 #include "hw/net/smc91c111.h"
18 #include "hw/pci/pci.h"
19 #include "net/net.h"
20 #include "sysemu/sysemu.h"
21 #include "hw/boards.h"
22 #include "hw/i2c/i2c.h"
23 #include "qemu/error-report.h"
24 #include "hw/char/pl011.h"
25 #include "hw/cpu/a9mpcore.h"
26 #include "hw/intc/realview_gic.h"
27 #include "hw/irq.h"
28 #include "hw/i2c/arm_sbcon_i2c.h"
29 #include "hw/sd/sd.h"
30
31 #define SMP_BOOT_ADDR 0xe0000000
32 #define SMP_BOOTREG_ADDR 0x10000030
33
34 /* Board init. */
35
36 static struct arm_boot_info realview_binfo = {
37 .smp_loader_start = SMP_BOOT_ADDR,
38 .smp_bootreg_addr = SMP_BOOTREG_ADDR,
39 };
40
41 /* The following two lists must be consistent. */
42 enum realview_board_type {
43 BOARD_EB,
44 BOARD_EB_MPCORE,
45 BOARD_PB_A8,
46 BOARD_PBX_A9,
47 };
48
49 static const int realview_board_id[] = {
50 0x33b,
51 0x33b,
52 0x769,
53 0x76d
54 };
55
56 static void realview_init(MachineState *machine,
57 enum realview_board_type board_type)
58 {
59 ARMCPU *cpu = NULL;
60 CPUARMState *env;
61 MemoryRegion *sysmem = get_system_memory();
62 MemoryRegion *ram_lo;
63 MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
64 MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
65 MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
66 DeviceState *dev, *sysctl, *gpio2, *pl041;
67 SysBusDevice *busdev;
68 qemu_irq pic[64];
69 qemu_irq mmc_irq[2];
70 PCIBus *pci_bus = NULL;
71 NICInfo *nd;
72 DriveInfo *dinfo;
73 I2CBus *i2c;
74 int n;
75 unsigned int smp_cpus = machine->smp.cpus;
76 int done_nic = 0;
77 qemu_irq cpu_irq[4];
78 int is_mpcore = 0;
79 int is_pb = 0;
80 uint32_t proc_id = 0;
81 uint32_t sys_id;
82 ram_addr_t low_ram_size;
83 ram_addr_t ram_size = machine->ram_size;
84 hwaddr periphbase = 0;
85
86 switch (board_type) {
87 case BOARD_EB:
88 break;
89 case BOARD_EB_MPCORE:
90 is_mpcore = 1;
91 periphbase = 0x10100000;
92 break;
93 case BOARD_PB_A8:
94 is_pb = 1;
95 break;
96 case BOARD_PBX_A9:
97 is_mpcore = 1;
98 is_pb = 1;
99 periphbase = 0x1f000000;
100 break;
101 }
102
103 for (n = 0; n < smp_cpus; n++) {
104 Object *cpuobj = object_new(machine->cpu_type);
105
106 /* By default A9,A15 and ARM1176 CPUs have EL3 enabled. This board
107 * does not currently support EL3 so the CPU EL3 property is disabled
108 * before realization.
109 */
110 if (object_property_find(cpuobj, "has_el3")) {
111 object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
112 }
113
114 if (is_pb && is_mpcore) {
115 object_property_set_int(cpuobj, "reset-cbar", periphbase,
116 &error_fatal);
117 }
118
119 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
120
121 cpu_irq[n] = qdev_get_gpio_in(DEVICE(cpuobj), ARM_CPU_IRQ);
122 }
123 cpu = ARM_CPU(first_cpu);
124 env = &cpu->env;
125 if (arm_feature(env, ARM_FEATURE_V7)) {
126 if (is_mpcore) {
127 proc_id = 0x0c000000;
128 } else {
129 proc_id = 0x0e000000;
130 }
131 } else if (arm_feature(env, ARM_FEATURE_V6K)) {
132 proc_id = 0x06000000;
133 } else if (arm_feature(env, ARM_FEATURE_V6)) {
134 proc_id = 0x04000000;
135 } else {
136 proc_id = 0x02000000;
137 }
138
139 if (is_pb && ram_size > 0x20000000) {
140 /* Core tile RAM. */
141 ram_lo = g_new(MemoryRegion, 1);
142 low_ram_size = ram_size - 0x20000000;
143 ram_size = 0x20000000;
144 memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size,
145 &error_fatal);
146 memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
147 }
148
149 memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size,
150 &error_fatal);
151 low_ram_size = ram_size;
152 if (low_ram_size > 0x10000000)
153 low_ram_size = 0x10000000;
154 /* SDRAM at address zero. */
155 memory_region_init_alias(ram_alias, NULL, "realview.alias",
156 ram_hi, 0, low_ram_size);
157 memory_region_add_subregion(sysmem, 0, ram_alias);
158 if (is_pb) {
159 /* And again at a high address. */
160 memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
161 } else {
162 ram_size = low_ram_size;
163 }
164
165 sys_id = is_pb ? 0x01780500 : 0xc1400400;
166 sysctl = qdev_new("realview_sysctl");
167 qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
168 qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
169 sysbus_realize_and_unref(SYS_BUS_DEVICE(sysctl), &error_fatal);
170 sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, 0x10000000);
171
172 if (is_mpcore) {
173 dev = qdev_new(is_pb ? TYPE_A9MPCORE_PRIV : "realview_mpcore");
174 qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
175 busdev = SYS_BUS_DEVICE(dev);
176 sysbus_realize_and_unref(busdev, &error_fatal);
177 sysbus_mmio_map(busdev, 0, periphbase);
178 for (n = 0; n < smp_cpus; n++) {
179 sysbus_connect_irq(busdev, n, cpu_irq[n]);
180 }
181 sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
182 /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
183 realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
184 } else {
185 uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
186 /* For now just create the nIRQ GIC, and ignore the others. */
187 dev = sysbus_create_simple(TYPE_REALVIEW_GIC, gic_addr, cpu_irq[0]);
188 }
189 for (n = 0; n < 64; n++) {
190 pic[n] = qdev_get_gpio_in(dev, n);
191 }
192
193 pl041 = qdev_new("pl041");
194 qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
195 sysbus_realize_and_unref(SYS_BUS_DEVICE(pl041), &error_fatal);
196 sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, 0x10004000);
197 sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[19]);
198
199 sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
200 sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
201
202 pl011_create(0x10009000, pic[12], serial_hd(0));
203 pl011_create(0x1000a000, pic[13], serial_hd(1));
204 pl011_create(0x1000b000, pic[14], serial_hd(2));
205 pl011_create(0x1000c000, pic[15], serial_hd(3));
206
207 /* DMA controller is optional, apparently. */
208 dev = qdev_new("pl081");
209 object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem),
210 &error_fatal);
211 busdev = SYS_BUS_DEVICE(dev);
212 sysbus_realize_and_unref(busdev, &error_fatal);
213 sysbus_mmio_map(busdev, 0, 0x10030000);
214 sysbus_connect_irq(busdev, 0, pic[24]);
215
216 sysbus_create_simple("sp804", 0x10011000, pic[4]);
217 sysbus_create_simple("sp804", 0x10012000, pic[5]);
218
219 sysbus_create_simple("pl061", 0x10013000, pic[6]);
220 sysbus_create_simple("pl061", 0x10014000, pic[7]);
221 gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
222
223 sysbus_create_simple("pl111", 0x10020000, pic[23]);
224
225 dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
226 /* Wire up MMC card detect and read-only signals. These have
227 * to go to both the PL061 GPIO and the sysctl register.
228 * Note that the PL181 orders these lines (readonly,inserted)
229 * and the PL061 has them the other way about. Also the card
230 * detect line is inverted.
231 */
232 mmc_irq[0] = qemu_irq_split(
233 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
234 qdev_get_gpio_in(gpio2, 1));
235 mmc_irq[1] = qemu_irq_split(
236 qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
237 qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
238 qdev_connect_gpio_out_named(dev, "card-read-only", 0, mmc_irq[0]);
239 qdev_connect_gpio_out_named(dev, "card-inserted", 0, mmc_irq[1]);
240 dinfo = drive_get_next(IF_SD);
241 if (dinfo) {
242 DeviceState *card;
243
244 card = qdev_new(TYPE_SD_CARD);
245 qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
246 &error_fatal);
247 qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
248 &error_fatal);
249 }
250
251 sysbus_create_simple("pl031", 0x10017000, pic[10]);
252
253 if (!is_pb) {
254 dev = qdev_new("realview_pci");
255 busdev = SYS_BUS_DEVICE(dev);
256 sysbus_realize_and_unref(busdev, &error_fatal);
257 sysbus_mmio_map(busdev, 0, 0x10019000); /* PCI controller registers */
258 sysbus_mmio_map(busdev, 1, 0x60000000); /* PCI self-config */
259 sysbus_mmio_map(busdev, 2, 0x61000000); /* PCI config */
260 sysbus_mmio_map(busdev, 3, 0x62000000); /* PCI I/O */
261 sysbus_mmio_map(busdev, 4, 0x63000000); /* PCI memory window 1 */
262 sysbus_mmio_map(busdev, 5, 0x64000000); /* PCI memory window 2 */
263 sysbus_mmio_map(busdev, 6, 0x68000000); /* PCI memory window 3 */
264 sysbus_connect_irq(busdev, 0, pic[48]);
265 sysbus_connect_irq(busdev, 1, pic[49]);
266 sysbus_connect_irq(busdev, 2, pic[50]);
267 sysbus_connect_irq(busdev, 3, pic[51]);
268 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
269 if (machine_usb(machine)) {
270 pci_create_simple(pci_bus, -1, "pci-ohci");
271 }
272 n = drive_get_max_bus(IF_SCSI);
273 while (n >= 0) {
274 dev = DEVICE(pci_create_simple(pci_bus, -1, "lsi53c895a"));
275 lsi53c8xx_handle_legacy_cmdline(dev);
276 n--;
277 }
278 }
279 for(n = 0; n < nb_nics; n++) {
280 nd = &nd_table[n];
281
282 if (!done_nic && (!nd->model ||
283 strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
284 if (is_pb) {
285 lan9118_init(nd, 0x4e000000, pic[28]);
286 } else {
287 smc91c111_init(nd, 0x4e000000, pic[28]);
288 }
289 done_nic = 1;
290 } else {
291 if (pci_bus) {
292 pci_nic_init_nofail(nd, pci_bus, "rtl8139", NULL);
293 }
294 }
295 }
296
297 dev = sysbus_create_simple(TYPE_VERSATILE_I2C, 0x10002000, NULL);
298 i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
299 i2c_slave_create_simple(i2c, "ds1338", 0x68);
300
301 /* Memory map for RealView Emulation Baseboard: */
302 /* 0x10000000 System registers. */
303 /* 0x10001000 System controller. */
304 /* 0x10002000 Two-Wire Serial Bus. */
305 /* 0x10003000 Reserved. */
306 /* 0x10004000 AACI. */
307 /* 0x10005000 MCI. */
308 /* 0x10006000 KMI0. */
309 /* 0x10007000 KMI1. */
310 /* 0x10008000 Character LCD. (EB) */
311 /* 0x10009000 UART0. */
312 /* 0x1000a000 UART1. */
313 /* 0x1000b000 UART2. */
314 /* 0x1000c000 UART3. */
315 /* 0x1000d000 SSPI. */
316 /* 0x1000e000 SCI. */
317 /* 0x1000f000 Reserved. */
318 /* 0x10010000 Watchdog. */
319 /* 0x10011000 Timer 0+1. */
320 /* 0x10012000 Timer 2+3. */
321 /* 0x10013000 GPIO 0. */
322 /* 0x10014000 GPIO 1. */
323 /* 0x10015000 GPIO 2. */
324 /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */
325 /* 0x10017000 RTC. */
326 /* 0x10018000 DMC. */
327 /* 0x10019000 PCI controller config. */
328 /* 0x10020000 CLCD. */
329 /* 0x10030000 DMA Controller. */
330 /* 0x10040000 GIC1. (EB) */
331 /* 0x10050000 GIC2. (EB) */
332 /* 0x10060000 GIC3. (EB) */
333 /* 0x10070000 GIC4. (EB) */
334 /* 0x10080000 SMC. */
335 /* 0x1e000000 GIC1. (PB) */
336 /* 0x1e001000 GIC2. (PB) */
337 /* 0x1e002000 GIC3. (PB) */
338 /* 0x1e003000 GIC4. (PB) */
339 /* 0x40000000 NOR flash. */
340 /* 0x44000000 DoC flash. */
341 /* 0x48000000 SRAM. */
342 /* 0x4c000000 Configuration flash. */
343 /* 0x4e000000 Ethernet. */
344 /* 0x4f000000 USB. */
345 /* 0x50000000 PISMO. */
346 /* 0x54000000 PISMO. */
347 /* 0x58000000 PISMO. */
348 /* 0x5c000000 PISMO. */
349 /* 0x60000000 PCI. */
350 /* 0x60000000 PCI Self Config. */
351 /* 0x61000000 PCI Config. */
352 /* 0x62000000 PCI IO. */
353 /* 0x63000000 PCI mem 0. */
354 /* 0x64000000 PCI mem 1. */
355 /* 0x68000000 PCI mem 2. */
356
357 /* ??? Hack to map an additional page of ram for the secondary CPU
358 startup code. I guess this works on real hardware because the
359 BootROM happens to be in ROM/flash or in memory that isn't clobbered
360 until after Linux boots the secondary CPUs. */
361 memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000,
362 &error_fatal);
363 memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
364
365 realview_binfo.ram_size = ram_size;
366 realview_binfo.nb_cpus = smp_cpus;
367 realview_binfo.board_id = realview_board_id[board_type];
368 realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
369 arm_load_kernel(ARM_CPU(first_cpu), machine, &realview_binfo);
370 }
371
372 static void realview_eb_init(MachineState *machine)
373 {
374 realview_init(machine, BOARD_EB);
375 }
376
377 static void realview_eb_mpcore_init(MachineState *machine)
378 {
379 realview_init(machine, BOARD_EB_MPCORE);
380 }
381
382 static void realview_pb_a8_init(MachineState *machine)
383 {
384 realview_init(machine, BOARD_PB_A8);
385 }
386
387 static void realview_pbx_a9_init(MachineState *machine)
388 {
389 realview_init(machine, BOARD_PBX_A9);
390 }
391
392 static void realview_eb_class_init(ObjectClass *oc, void *data)
393 {
394 MachineClass *mc = MACHINE_CLASS(oc);
395
396 mc->desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)";
397 mc->init = realview_eb_init;
398 mc->block_default_type = IF_SCSI;
399 mc->ignore_memory_transaction_failures = true;
400 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
401 }
402
403 static const TypeInfo realview_eb_type = {
404 .name = MACHINE_TYPE_NAME("realview-eb"),
405 .parent = TYPE_MACHINE,
406 .class_init = realview_eb_class_init,
407 };
408
409 static void realview_eb_mpcore_class_init(ObjectClass *oc, void *data)
410 {
411 MachineClass *mc = MACHINE_CLASS(oc);
412
413 mc->desc = "ARM RealView Emulation Baseboard (ARM11MPCore)";
414 mc->init = realview_eb_mpcore_init;
415 mc->block_default_type = IF_SCSI;
416 mc->max_cpus = 4;
417 mc->ignore_memory_transaction_failures = true;
418 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm11mpcore");
419 }
420
421 static const TypeInfo realview_eb_mpcore_type = {
422 .name = MACHINE_TYPE_NAME("realview-eb-mpcore"),
423 .parent = TYPE_MACHINE,
424 .class_init = realview_eb_mpcore_class_init,
425 };
426
427 static void realview_pb_a8_class_init(ObjectClass *oc, void *data)
428 {
429 MachineClass *mc = MACHINE_CLASS(oc);
430
431 mc->desc = "ARM RealView Platform Baseboard for Cortex-A8";
432 mc->init = realview_pb_a8_init;
433 mc->ignore_memory_transaction_failures = true;
434 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a8");
435 }
436
437 static const TypeInfo realview_pb_a8_type = {
438 .name = MACHINE_TYPE_NAME("realview-pb-a8"),
439 .parent = TYPE_MACHINE,
440 .class_init = realview_pb_a8_class_init,
441 };
442
443 static void realview_pbx_a9_class_init(ObjectClass *oc, void *data)
444 {
445 MachineClass *mc = MACHINE_CLASS(oc);
446
447 mc->desc = "ARM RealView Platform Baseboard Explore for Cortex-A9";
448 mc->init = realview_pbx_a9_init;
449 mc->max_cpus = 4;
450 mc->ignore_memory_transaction_failures = true;
451 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
452 }
453
454 static const TypeInfo realview_pbx_a9_type = {
455 .name = MACHINE_TYPE_NAME("realview-pbx-a9"),
456 .parent = TYPE_MACHINE,
457 .class_init = realview_pbx_a9_class_init,
458 };
459
460 static void realview_machine_init(void)
461 {
462 type_register_static(&realview_eb_type);
463 type_register_static(&realview_eb_mpcore_type);
464 type_register_static(&realview_pb_a8_type);
465 type_register_static(&realview_pbx_a9_type);
466 }
467
468 type_init(realview_machine_init)