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5fafdf24 | 1 | /* |
e69954b9 PB |
2 | * ARM RealView Baseboard System emulation. |
3 | * | |
a1bb27b1 | 4 | * Copyright (c) 2006-2007 CodeSourcery. |
e69954b9 PB |
5 | * Written by Paul Brook |
6 | * | |
7 | * This code is licenced under the GPL. | |
8 | */ | |
9 | ||
2e9bdce5 | 10 | #include "sysbus.h" |
87ecb68b PB |
11 | #include "arm-misc.h" |
12 | #include "primecell.h" | |
13 | #include "devices.h" | |
14 | #include "pci.h" | |
18e08a55 | 15 | #include "usb-ohci.h" |
87ecb68b PB |
16 | #include "net.h" |
17 | #include "sysemu.h" | |
18 | #include "boards.h" | |
eee48504 PB |
19 | #include "bitbang_i2c.h" |
20 | #include "sysbus.h" | |
2446333c | 21 | #include "blockdev.h" |
e69954b9 | 22 | |
0ef849d7 | 23 | #define SMP_BOOT_ADDR 0xe0000000 |
eee48504 PB |
24 | |
25 | typedef struct { | |
26 | SysBusDevice busdev; | |
27 | bitbang_i2c_interface *bitbang; | |
28 | int out; | |
29 | int in; | |
30 | } RealViewI2CState; | |
31 | ||
32 | static uint32_t realview_i2c_read(void *opaque, target_phys_addr_t offset) | |
33 | { | |
34 | RealViewI2CState *s = (RealViewI2CState *)opaque; | |
35 | ||
36 | if (offset == 0) { | |
37 | return (s->out & 1) | (s->in << 1); | |
38 | } else { | |
39 | hw_error("realview_i2c_read: Bad offset 0x%x\n", (int)offset); | |
40 | return -1; | |
41 | } | |
42 | } | |
43 | ||
44 | static void realview_i2c_write(void *opaque, target_phys_addr_t offset, | |
45 | uint32_t value) | |
46 | { | |
47 | RealViewI2CState *s = (RealViewI2CState *)opaque; | |
48 | ||
49 | switch (offset) { | |
50 | case 0: | |
51 | s->out |= value & 3; | |
52 | break; | |
53 | case 4: | |
54 | s->out &= ~value; | |
55 | break; | |
56 | default: | |
57 | hw_error("realview_i2c_write: Bad offset 0x%x\n", (int)offset); | |
58 | } | |
59 | bitbang_i2c_set(s->bitbang, BITBANG_I2C_SCL, (s->out & 1) != 0); | |
60 | s->in = bitbang_i2c_set(s->bitbang, BITBANG_I2C_SDA, (s->out & 2) != 0); | |
61 | } | |
62 | ||
63 | static CPUReadMemoryFunc * const realview_i2c_readfn[] = { | |
64 | realview_i2c_read, | |
65 | realview_i2c_read, | |
66 | realview_i2c_read | |
67 | }; | |
68 | ||
69 | static CPUWriteMemoryFunc * const realview_i2c_writefn[] = { | |
70 | realview_i2c_write, | |
71 | realview_i2c_write, | |
72 | realview_i2c_write | |
73 | }; | |
74 | ||
75 | static int realview_i2c_init(SysBusDevice *dev) | |
76 | { | |
77 | RealViewI2CState *s = FROM_SYSBUS(RealViewI2CState, dev); | |
78 | i2c_bus *bus; | |
79 | int iomemtype; | |
80 | ||
81 | bus = i2c_init_bus(&dev->qdev, "i2c"); | |
82 | s->bitbang = bitbang_i2c_init(bus); | |
83 | iomemtype = cpu_register_io_memory(realview_i2c_readfn, | |
84 | realview_i2c_writefn, s); | |
85 | sysbus_init_mmio(dev, 0x1000, iomemtype); | |
86 | return 0; | |
87 | } | |
88 | ||
89 | static SysBusDeviceInfo realview_i2c_info = { | |
90 | .init = realview_i2c_init, | |
91 | .qdev.name = "realview_i2c", | |
92 | .qdev.size = sizeof(RealViewI2CState), | |
93 | }; | |
94 | ||
95 | static void realview_register_devices(void) | |
96 | { | |
97 | sysbus_register_withprop(&realview_i2c_info); | |
98 | } | |
99 | ||
e69954b9 PB |
100 | /* Board init. */ |
101 | ||
f93eb9ff | 102 | static struct arm_boot_info realview_binfo = { |
0ef849d7 | 103 | .smp_loader_start = SMP_BOOT_ADDR, |
f93eb9ff AZ |
104 | }; |
105 | ||
be0f204a PB |
106 | static void secondary_cpu_reset(void *opaque) |
107 | { | |
108 | CPUState *env = opaque; | |
109 | ||
110 | cpu_reset(env); | |
111 | /* Set entry point for secondary CPUs. This assumes we're using | |
112 | the init code from arm_boot.c. Real hardware resets all CPUs | |
113 | the same. */ | |
0ef849d7 | 114 | env->regs[15] = SMP_BOOT_ADDR; |
be0f204a PB |
115 | } |
116 | ||
f7c70325 | 117 | /* The following two lists must be consistent. */ |
c988bfad PB |
118 | enum realview_board_type { |
119 | BOARD_EB, | |
0ef849d7 | 120 | BOARD_EB_MPCORE, |
f7c70325 PB |
121 | BOARD_PB_A8, |
122 | BOARD_PBX_A9, | |
123 | }; | |
124 | ||
d05ac8fa | 125 | static const int realview_board_id[] = { |
f7c70325 PB |
126 | 0x33b, |
127 | 0x33b, | |
128 | 0x769, | |
129 | 0x76d | |
c988bfad PB |
130 | }; |
131 | ||
c227f099 | 132 | static void realview_init(ram_addr_t ram_size, |
3023f332 | 133 | const char *boot_device, |
e69954b9 | 134 | const char *kernel_filename, const char *kernel_cmdline, |
c988bfad PB |
135 | const char *initrd_filename, const char *cpu_model, |
136 | enum realview_board_type board_type) | |
e69954b9 | 137 | { |
c988bfad | 138 | CPUState *env = NULL; |
c227f099 | 139 | ram_addr_t ram_offset; |
0027b06d | 140 | DeviceState *dev; |
c988bfad | 141 | SysBusDevice *busdev; |
fe7e8758 PB |
142 | qemu_irq *irqp; |
143 | qemu_irq pic[64]; | |
e69954b9 PB |
144 | PCIBus *pci_bus; |
145 | NICInfo *nd; | |
eee48504 | 146 | i2c_bus *i2c; |
e69954b9 | 147 | int n; |
0ef849d7 | 148 | int done_nic = 0; |
9ee6e8bb | 149 | qemu_irq cpu_irq[4]; |
f7c70325 PB |
150 | int is_mpcore = 0; |
151 | int is_pb = 0; | |
26e92f65 | 152 | uint32_t proc_id = 0; |
0ef849d7 PB |
153 | uint32_t sys_id; |
154 | ram_addr_t low_ram_size; | |
e69954b9 | 155 | |
f7c70325 PB |
156 | switch (board_type) { |
157 | case BOARD_EB: | |
158 | break; | |
159 | case BOARD_EB_MPCORE: | |
160 | is_mpcore = 1; | |
161 | break; | |
162 | case BOARD_PB_A8: | |
163 | is_pb = 1; | |
164 | break; | |
165 | case BOARD_PBX_A9: | |
166 | is_mpcore = 1; | |
167 | is_pb = 1; | |
168 | break; | |
169 | } | |
c988bfad | 170 | for (n = 0; n < smp_cpus; n++) { |
9ee6e8bb PB |
171 | env = cpu_init(cpu_model); |
172 | if (!env) { | |
173 | fprintf(stderr, "Unable to find CPU definition\n"); | |
174 | exit(1); | |
175 | } | |
fe7e8758 PB |
176 | irqp = arm_pic_init_cpu(env); |
177 | cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; | |
9ee6e8bb | 178 | if (n > 0) { |
be0f204a | 179 | qemu_register_reset(secondary_cpu_reset, env); |
9ee6e8bb | 180 | } |
aaed909a | 181 | } |
26e92f65 | 182 | if (arm_feature(env, ARM_FEATURE_V7)) { |
f7c70325 PB |
183 | if (is_mpcore) { |
184 | proc_id = 0x0c000000; | |
185 | } else { | |
186 | proc_id = 0x0e000000; | |
187 | } | |
26e92f65 PB |
188 | } else if (arm_feature(env, ARM_FEATURE_V6K)) { |
189 | proc_id = 0x06000000; | |
190 | } else if (arm_feature(env, ARM_FEATURE_V6)) { | |
191 | proc_id = 0x04000000; | |
192 | } else { | |
193 | proc_id = 0x02000000; | |
194 | } | |
aaed909a | 195 | |
21a88941 PB |
196 | if (is_pb && ram_size > 0x20000000) { |
197 | /* Core tile RAM. */ | |
198 | low_ram_size = ram_size - 0x20000000; | |
199 | ram_size = 0x20000000; | |
1724f049 | 200 | ram_offset = qemu_ram_alloc(NULL, "realview.lowmem", low_ram_size); |
21a88941 PB |
201 | cpu_register_physical_memory(0x20000000, low_ram_size, |
202 | ram_offset | IO_MEM_RAM); | |
203 | } | |
204 | ||
1724f049 | 205 | ram_offset = qemu_ram_alloc(NULL, "realview.highmem", ram_size); |
0ef849d7 PB |
206 | low_ram_size = ram_size; |
207 | if (low_ram_size > 0x10000000) | |
208 | low_ram_size = 0x10000000; | |
e69954b9 | 209 | /* SDRAM at address zero. */ |
0ef849d7 PB |
210 | cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM); |
211 | if (is_pb) { | |
212 | /* And again at a high address. */ | |
213 | cpu_register_physical_memory(0x70000000, ram_size, | |
214 | ram_offset | IO_MEM_RAM); | |
215 | } else { | |
216 | ram_size = low_ram_size; | |
217 | } | |
e69954b9 | 218 | |
0ef849d7 PB |
219 | sys_id = is_pb ? 0x01780500 : 0xc1400400; |
220 | arm_sysctl_init(0x10000000, sys_id, proc_id); | |
9ee6e8bb | 221 | |
c988bfad | 222 | if (is_mpcore) { |
f7c70325 | 223 | dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore"); |
c988bfad PB |
224 | qdev_prop_set_uint32(dev, "num-cpu", smp_cpus); |
225 | qdev_init_nofail(dev); | |
226 | busdev = sysbus_from_qdev(dev); | |
f7c70325 PB |
227 | if (is_pb) { |
228 | realview_binfo.smp_priv_base = 0x1f000000; | |
229 | } else { | |
230 | realview_binfo.smp_priv_base = 0x10100000; | |
231 | } | |
232 | sysbus_mmio_map(busdev, 0, realview_binfo.smp_priv_base); | |
c988bfad PB |
233 | for (n = 0; n < smp_cpus; n++) { |
234 | sysbus_connect_irq(busdev, n, cpu_irq[n]); | |
235 | } | |
9ee6e8bb | 236 | } else { |
0ef849d7 PB |
237 | uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000; |
238 | /* For now just create the nIRQ GIC, and ignore the others. */ | |
239 | dev = sysbus_create_simple("realview_gic", gic_addr, cpu_irq[0]); | |
fe7e8758 PB |
240 | } |
241 | for (n = 0; n < 64; n++) { | |
067a3ddc | 242 | pic[n] = qdev_get_gpio_in(dev, n); |
9ee6e8bb PB |
243 | } |
244 | ||
86394e96 PB |
245 | sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]); |
246 | sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]); | |
e69954b9 | 247 | |
a7d518a6 PB |
248 | sysbus_create_simple("pl011", 0x10009000, pic[12]); |
249 | sysbus_create_simple("pl011", 0x1000a000, pic[13]); | |
250 | sysbus_create_simple("pl011", 0x1000b000, pic[14]); | |
251 | sysbus_create_simple("pl011", 0x1000c000, pic[15]); | |
e69954b9 PB |
252 | |
253 | /* DMA controller is optional, apparently. */ | |
b4496b13 | 254 | sysbus_create_simple("pl081", 0x10030000, pic[24]); |
e69954b9 | 255 | |
6a824ec3 PB |
256 | sysbus_create_simple("sp804", 0x10011000, pic[4]); |
257 | sysbus_create_simple("sp804", 0x10012000, pic[5]); | |
e69954b9 | 258 | |
2e9bdce5 | 259 | sysbus_create_simple("pl110_versatile", 0x10020000, pic[23]); |
e69954b9 | 260 | |
aa9311d8 | 261 | sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL); |
a1bb27b1 | 262 | |
a63bdb31 | 263 | sysbus_create_simple("pl031", 0x10017000, pic[10]); |
7e1543c2 | 264 | |
0ef849d7 PB |
265 | if (!is_pb) { |
266 | dev = sysbus_create_varargs("realview_pci", 0x60000000, | |
267 | pic[48], pic[49], pic[50], pic[51], NULL); | |
268 | pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); | |
269 | if (usb_enabled) { | |
a67ba3b6 | 270 | usb_ohci_init_pci(pci_bus, -1); |
0ef849d7 PB |
271 | } |
272 | n = drive_get_max_bus(IF_SCSI); | |
273 | while (n >= 0) { | |
274 | pci_create_simple(pci_bus, -1, "lsi53c895a"); | |
275 | n--; | |
276 | } | |
e69954b9 PB |
277 | } |
278 | for(n = 0; n < nb_nics; n++) { | |
279 | nd = &nd_table[n]; | |
0ae18cee | 280 | |
0ef849d7 PB |
281 | if ((!nd->model && !done_nic) |
282 | || strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0) { | |
283 | if (is_pb) { | |
284 | lan9118_init(nd, 0x4e000000, pic[28]); | |
285 | } else { | |
286 | smc91c111_init(nd, 0x4e000000, pic[28]); | |
287 | } | |
288 | done_nic = 1; | |
e69954b9 | 289 | } else { |
07caea31 | 290 | pci_nic_init_nofail(nd, "rtl8139", NULL); |
e69954b9 PB |
291 | } |
292 | } | |
293 | ||
eee48504 PB |
294 | dev = sysbus_create_simple("realview_i2c", 0x10002000, NULL); |
295 | i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c"); | |
296 | i2c_create_slave(i2c, "ds1338", 0x68); | |
297 | ||
e69954b9 PB |
298 | /* Memory map for RealView Emulation Baseboard: */ |
299 | /* 0x10000000 System registers. */ | |
300 | /* 0x10001000 System controller. */ | |
eee48504 | 301 | /* 0x10002000 Two-Wire Serial Bus. */ |
e69954b9 PB |
302 | /* 0x10003000 Reserved. */ |
303 | /* 0x10004000 AACI. */ | |
304 | /* 0x10005000 MCI. */ | |
305 | /* 0x10006000 KMI0. */ | |
306 | /* 0x10007000 KMI1. */ | |
0ef849d7 | 307 | /* 0x10008000 Character LCD. (EB) */ |
e69954b9 PB |
308 | /* 0x10009000 UART0. */ |
309 | /* 0x1000a000 UART1. */ | |
310 | /* 0x1000b000 UART2. */ | |
311 | /* 0x1000c000 UART3. */ | |
312 | /* 0x1000d000 SSPI. */ | |
313 | /* 0x1000e000 SCI. */ | |
314 | /* 0x1000f000 Reserved. */ | |
315 | /* 0x10010000 Watchdog. */ | |
316 | /* 0x10011000 Timer 0+1. */ | |
317 | /* 0x10012000 Timer 2+3. */ | |
318 | /* 0x10013000 GPIO 0. */ | |
319 | /* 0x10014000 GPIO 1. */ | |
320 | /* 0x10015000 GPIO 2. */ | |
0ef849d7 | 321 | /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */ |
7e1543c2 | 322 | /* 0x10017000 RTC. */ |
e69954b9 PB |
323 | /* 0x10018000 DMC. */ |
324 | /* 0x10019000 PCI controller config. */ | |
325 | /* 0x10020000 CLCD. */ | |
326 | /* 0x10030000 DMA Controller. */ | |
0ef849d7 PB |
327 | /* 0x10040000 GIC1. (EB) */ |
328 | /* 0x10050000 GIC2. (EB) */ | |
329 | /* 0x10060000 GIC3. (EB) */ | |
330 | /* 0x10070000 GIC4. (EB) */ | |
e69954b9 | 331 | /* 0x10080000 SMC. */ |
0ef849d7 PB |
332 | /* 0x1e000000 GIC1. (PB) */ |
333 | /* 0x1e001000 GIC2. (PB) */ | |
334 | /* 0x1e002000 GIC3. (PB) */ | |
335 | /* 0x1e003000 GIC4. (PB) */ | |
e69954b9 PB |
336 | /* 0x40000000 NOR flash. */ |
337 | /* 0x44000000 DoC flash. */ | |
338 | /* 0x48000000 SRAM. */ | |
339 | /* 0x4c000000 Configuration flash. */ | |
340 | /* 0x4e000000 Ethernet. */ | |
341 | /* 0x4f000000 USB. */ | |
342 | /* 0x50000000 PISMO. */ | |
343 | /* 0x54000000 PISMO. */ | |
344 | /* 0x58000000 PISMO. */ | |
345 | /* 0x5c000000 PISMO. */ | |
346 | /* 0x60000000 PCI. */ | |
347 | /* 0x61000000 PCI Self Config. */ | |
348 | /* 0x62000000 PCI Config. */ | |
349 | /* 0x63000000 PCI IO. */ | |
350 | /* 0x64000000 PCI mem 0. */ | |
351 | /* 0x68000000 PCI mem 1. */ | |
352 | /* 0x6c000000 PCI mem 2. */ | |
353 | ||
7ffab4d7 PB |
354 | /* ??? Hack to map an additional page of ram for the secondary CPU |
355 | startup code. I guess this works on real hardware because the | |
356 | BootROM happens to be in ROM/flash or in memory that isn't clobbered | |
357 | until after Linux boots the secondary CPUs. */ | |
1724f049 | 358 | ram_offset = qemu_ram_alloc(NULL, "realview.hack", 0x1000); |
0ef849d7 PB |
359 | cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000, |
360 | ram_offset | IO_MEM_RAM); | |
7ffab4d7 | 361 | |
f93eb9ff AZ |
362 | realview_binfo.ram_size = ram_size; |
363 | realview_binfo.kernel_filename = kernel_filename; | |
364 | realview_binfo.kernel_cmdline = kernel_cmdline; | |
365 | realview_binfo.initrd_filename = initrd_filename; | |
c988bfad | 366 | realview_binfo.nb_cpus = smp_cpus; |
f7c70325 | 367 | realview_binfo.board_id = realview_board_id[board_type]; |
21a88941 | 368 | realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0); |
f93eb9ff | 369 | arm_load_kernel(first_cpu, &realview_binfo); |
e69954b9 PB |
370 | } |
371 | ||
c988bfad PB |
372 | static void realview_eb_init(ram_addr_t ram_size, |
373 | const char *boot_device, | |
374 | const char *kernel_filename, const char *kernel_cmdline, | |
375 | const char *initrd_filename, const char *cpu_model) | |
376 | { | |
377 | if (!cpu_model) { | |
378 | cpu_model = "arm926"; | |
379 | } | |
380 | realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, | |
381 | initrd_filename, cpu_model, BOARD_EB); | |
382 | } | |
383 | ||
384 | static void realview_eb_mpcore_init(ram_addr_t ram_size, | |
385 | const char *boot_device, | |
386 | const char *kernel_filename, const char *kernel_cmdline, | |
387 | const char *initrd_filename, const char *cpu_model) | |
388 | { | |
389 | if (!cpu_model) { | |
390 | cpu_model = "arm11mpcore"; | |
391 | } | |
392 | realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, | |
393 | initrd_filename, cpu_model, BOARD_EB_MPCORE); | |
394 | } | |
395 | ||
0ef849d7 PB |
396 | static void realview_pb_a8_init(ram_addr_t ram_size, |
397 | const char *boot_device, | |
398 | const char *kernel_filename, const char *kernel_cmdline, | |
399 | const char *initrd_filename, const char *cpu_model) | |
400 | { | |
401 | if (!cpu_model) { | |
402 | cpu_model = "cortex-a8"; | |
403 | } | |
404 | realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, | |
405 | initrd_filename, cpu_model, BOARD_PB_A8); | |
406 | } | |
407 | ||
f7c70325 PB |
408 | static void realview_pbx_a9_init(ram_addr_t ram_size, |
409 | const char *boot_device, | |
410 | const char *kernel_filename, const char *kernel_cmdline, | |
411 | const char *initrd_filename, const char *cpu_model) | |
412 | { | |
413 | if (!cpu_model) { | |
414 | cpu_model = "cortex-a9"; | |
415 | } | |
416 | realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline, | |
417 | initrd_filename, cpu_model, BOARD_PBX_A9); | |
418 | } | |
419 | ||
c988bfad PB |
420 | static QEMUMachine realview_eb_machine = { |
421 | .name = "realview-eb", | |
c9b1ae2c | 422 | .desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)", |
c988bfad PB |
423 | .init = realview_eb_init, |
424 | .use_scsi = 1, | |
425 | }; | |
426 | ||
427 | static QEMUMachine realview_eb_mpcore_machine = { | |
428 | .name = "realview-eb-mpcore", | |
429 | .desc = "ARM RealView Emulation Baseboard (ARM11MPCore)", | |
430 | .init = realview_eb_mpcore_init, | |
c9b1ae2c | 431 | .use_scsi = 1, |
c988bfad | 432 | .max_cpus = 4, |
e69954b9 | 433 | }; |
f80f9ec9 | 434 | |
0ef849d7 PB |
435 | static QEMUMachine realview_pb_a8_machine = { |
436 | .name = "realview-pb-a8", | |
437 | .desc = "ARM RealView Platform Baseboard for Cortex-A8", | |
438 | .init = realview_pb_a8_init, | |
f7c70325 PB |
439 | }; |
440 | ||
441 | static QEMUMachine realview_pbx_a9_machine = { | |
442 | .name = "realview-pbx-a9", | |
443 | .desc = "ARM RealView Platform Baseboard Explore for Cortex-A9", | |
444 | .init = realview_pbx_a9_init, | |
0ef849d7 | 445 | .use_scsi = 1, |
f7c70325 | 446 | .max_cpus = 4, |
0ef849d7 PB |
447 | }; |
448 | ||
f80f9ec9 AL |
449 | static void realview_machine_init(void) |
450 | { | |
c988bfad PB |
451 | qemu_register_machine(&realview_eb_machine); |
452 | qemu_register_machine(&realview_eb_mpcore_machine); | |
0ef849d7 | 453 | qemu_register_machine(&realview_pb_a8_machine); |
f7c70325 | 454 | qemu_register_machine(&realview_pbx_a9_machine); |
f80f9ec9 AL |
455 | } |
456 | ||
457 | machine_init(realview_machine_init); | |
eee48504 | 458 | device_init(realview_register_devices) |