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Commit | Line | Data |
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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 | * | |
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 "net.h" | |
15 | #include "sysemu.h" | |
16 | #include "pci.h" | |
18e08a55 | 17 | #include "usb-ohci.h" |
87ecb68b | 18 | #include "boards.h" |
cdbdb648 | 19 | |
cdbdb648 PB |
20 | /* Primary interrupt controller. */ |
21 | ||
22 | typedef struct vpb_sic_state | |
23 | { | |
3950f18b | 24 | SysBusDevice busdev; |
cdbdb648 PB |
25 | uint32_t level; |
26 | uint32_t mask; | |
27 | uint32_t pic_enable; | |
97aff481 | 28 | qemu_irq parent[32]; |
cdbdb648 PB |
29 | int irq; |
30 | } vpb_sic_state; | |
31 | ||
32 | static void vpb_sic_update(vpb_sic_state *s) | |
33 | { | |
34 | uint32_t flags; | |
35 | ||
36 | flags = s->level & s->mask; | |
d537cf6c | 37 | qemu_set_irq(s->parent[s->irq], flags != 0); |
cdbdb648 PB |
38 | } |
39 | ||
40 | static void vpb_sic_update_pic(vpb_sic_state *s) | |
41 | { | |
42 | int i; | |
43 | uint32_t mask; | |
44 | ||
45 | for (i = 21; i <= 30; i++) { | |
46 | mask = 1u << i; | |
47 | if (!(s->pic_enable & mask)) | |
48 | continue; | |
d537cf6c | 49 | qemu_set_irq(s->parent[i], (s->level & mask) != 0); |
cdbdb648 PB |
50 | } |
51 | } | |
52 | ||
53 | static void vpb_sic_set_irq(void *opaque, int irq, int level) | |
54 | { | |
55 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
56 | if (level) | |
57 | s->level |= 1u << irq; | |
58 | else | |
59 | s->level &= ~(1u << irq); | |
60 | if (s->pic_enable & (1u << irq)) | |
d537cf6c | 61 | qemu_set_irq(s->parent[irq], level); |
cdbdb648 PB |
62 | vpb_sic_update(s); |
63 | } | |
64 | ||
c227f099 | 65 | static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset) |
cdbdb648 PB |
66 | { |
67 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
68 | ||
cdbdb648 PB |
69 | switch (offset >> 2) { |
70 | case 0: /* STATUS */ | |
71 | return s->level & s->mask; | |
72 | case 1: /* RAWSTAT */ | |
73 | return s->level; | |
74 | case 2: /* ENABLE */ | |
75 | return s->mask; | |
76 | case 4: /* SOFTINT */ | |
77 | return s->level & 1; | |
78 | case 8: /* PICENABLE */ | |
79 | return s->pic_enable; | |
80 | default: | |
e69954b9 | 81 | printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset); |
cdbdb648 PB |
82 | return 0; |
83 | } | |
84 | } | |
85 | ||
c227f099 | 86 | static void vpb_sic_write(void *opaque, target_phys_addr_t offset, |
cdbdb648 PB |
87 | uint32_t value) |
88 | { | |
89 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
cdbdb648 PB |
90 | |
91 | switch (offset >> 2) { | |
92 | case 2: /* ENSET */ | |
93 | s->mask |= value; | |
94 | break; | |
95 | case 3: /* ENCLR */ | |
96 | s->mask &= ~value; | |
97 | break; | |
98 | case 4: /* SOFTINTSET */ | |
99 | if (value) | |
100 | s->mask |= 1; | |
101 | break; | |
102 | case 5: /* SOFTINTCLR */ | |
103 | if (value) | |
104 | s->mask &= ~1u; | |
105 | break; | |
106 | case 8: /* PICENSET */ | |
107 | s->pic_enable |= (value & 0x7fe00000); | |
108 | vpb_sic_update_pic(s); | |
109 | break; | |
110 | case 9: /* PICENCLR */ | |
111 | s->pic_enable &= ~value; | |
112 | vpb_sic_update_pic(s); | |
113 | break; | |
114 | default: | |
e69954b9 | 115 | printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); |
cdbdb648 PB |
116 | return; |
117 | } | |
118 | vpb_sic_update(s); | |
119 | } | |
120 | ||
d60efc6b | 121 | static CPUReadMemoryFunc * const vpb_sic_readfn[] = { |
cdbdb648 PB |
122 | vpb_sic_read, |
123 | vpb_sic_read, | |
124 | vpb_sic_read | |
125 | }; | |
126 | ||
d60efc6b | 127 | static CPUWriteMemoryFunc * const vpb_sic_writefn[] = { |
cdbdb648 PB |
128 | vpb_sic_write, |
129 | vpb_sic_write, | |
130 | vpb_sic_write | |
131 | }; | |
132 | ||
81a322d4 | 133 | static int vpb_sic_init(SysBusDevice *dev) |
cdbdb648 | 134 | { |
3950f18b | 135 | vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev); |
cdbdb648 | 136 | int iomemtype; |
97aff481 | 137 | int i; |
cdbdb648 | 138 | |
067a3ddc | 139 | qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32); |
97aff481 | 140 | for (i = 0; i < 32; i++) { |
3950f18b | 141 | sysbus_init_irq(dev, &s->parent[i]); |
97aff481 | 142 | } |
3950f18b | 143 | s->irq = 31; |
1eed09cb | 144 | iomemtype = cpu_register_io_memory(vpb_sic_readfn, |
cdbdb648 | 145 | vpb_sic_writefn, s); |
3950f18b | 146 | sysbus_init_mmio(dev, 0x1000, iomemtype); |
cdbdb648 | 147 | /* ??? Save/restore. */ |
81a322d4 | 148 | return 0; |
cdbdb648 PB |
149 | } |
150 | ||
151 | /* Board init. */ | |
152 | ||
16406950 PB |
153 | /* The AB and PB boards both use the same core, just with different |
154 | peripherans and expansion busses. For now we emulate a subset of the | |
155 | PB peripherals and just change the board ID. */ | |
cdbdb648 | 156 | |
f93eb9ff AZ |
157 | static struct arm_boot_info versatile_binfo; |
158 | ||
c227f099 | 159 | static void versatile_init(ram_addr_t ram_size, |
3023f332 | 160 | const char *boot_device, |
cdbdb648 | 161 | const char *kernel_filename, const char *kernel_cmdline, |
3371d272 PB |
162 | const char *initrd_filename, const char *cpu_model, |
163 | int board_id) | |
cdbdb648 PB |
164 | { |
165 | CPUState *env; | |
c227f099 | 166 | ram_addr_t ram_offset; |
97aff481 PB |
167 | qemu_irq *cpu_pic; |
168 | qemu_irq pic[32]; | |
3950f18b | 169 | qemu_irq sic[32]; |
97aff481 | 170 | DeviceState *dev; |
502a5395 PB |
171 | PCIBus *pci_bus; |
172 | NICInfo *nd; | |
173 | int n; | |
174 | int done_smc = 0; | |
cdbdb648 | 175 | |
3371d272 PB |
176 | if (!cpu_model) |
177 | cpu_model = "arm926"; | |
aaed909a FB |
178 | env = cpu_init(cpu_model); |
179 | if (!env) { | |
180 | fprintf(stderr, "Unable to find CPU definition\n"); | |
181 | exit(1); | |
182 | } | |
1724f049 | 183 | ram_offset = qemu_ram_alloc(NULL, "versatile.ram", ram_size); |
1235fc06 | 184 | /* ??? RAM should repeat to fill physical memory space. */ |
cdbdb648 | 185 | /* SDRAM at address zero. */ |
7ffab4d7 | 186 | cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM); |
cdbdb648 | 187 | |
26e92f65 | 188 | arm_sysctl_init(0x10000000, 0x41007004, 0x02000000); |
97aff481 PB |
189 | cpu_pic = arm_pic_init_cpu(env); |
190 | dev = sysbus_create_varargs("pl190", 0x10140000, | |
191 | cpu_pic[0], cpu_pic[1], NULL); | |
192 | for (n = 0; n < 32; n++) { | |
067a3ddc | 193 | pic[n] = qdev_get_gpio_in(dev, n); |
97aff481 | 194 | } |
3950f18b PB |
195 | dev = sysbus_create_simple("versatilepb_sic", 0x10003000, NULL); |
196 | for (n = 0; n < 32; n++) { | |
197 | sysbus_connect_irq(sysbus_from_qdev(dev), n, pic[n]); | |
067a3ddc | 198 | sic[n] = qdev_get_gpio_in(dev, n); |
3950f18b | 199 | } |
86394e96 PB |
200 | |
201 | sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]); | |
202 | sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]); | |
cdbdb648 | 203 | |
0027b06d PB |
204 | dev = sysbus_create_varargs("versatile_pci", 0x40000000, |
205 | sic[27], sic[28], sic[29], sic[30], NULL); | |
02e2da45 | 206 | pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci"); |
0027b06d | 207 | |
502a5395 PB |
208 | /* The Versatile PCI bridge does not provide access to PCI IO space, |
209 | so many of the qemu PCI devices are not useable. */ | |
210 | for(n = 0; n < nb_nics; n++) { | |
211 | nd = &nd_table[n]; | |
0ae18cee AL |
212 | |
213 | if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) { | |
d537cf6c | 214 | smc91c111_init(nd, 0x10010000, sic[25]); |
0ae18cee | 215 | done_smc = 1; |
cdbdb648 | 216 | } else { |
07caea31 | 217 | pci_nic_init_nofail(nd, "rtl8139", NULL); |
cdbdb648 PB |
218 | } |
219 | } | |
0d92ed30 | 220 | if (usb_enabled) { |
a67ba3b6 | 221 | usb_ohci_init_pci(pci_bus, -1); |
0d92ed30 | 222 | } |
9be5dafe PB |
223 | n = drive_get_max_bus(IF_SCSI); |
224 | while (n >= 0) { | |
225 | pci_create_simple(pci_bus, -1, "lsi53c895a"); | |
226 | n--; | |
7d8406be | 227 | } |
cdbdb648 | 228 | |
a7d518a6 PB |
229 | sysbus_create_simple("pl011", 0x101f1000, pic[12]); |
230 | sysbus_create_simple("pl011", 0x101f2000, pic[13]); | |
231 | sysbus_create_simple("pl011", 0x101f3000, pic[14]); | |
232 | sysbus_create_simple("pl011", 0x10009000, sic[6]); | |
cdbdb648 | 233 | |
b4496b13 | 234 | sysbus_create_simple("pl080", 0x10130000, pic[17]); |
6a824ec3 PB |
235 | sysbus_create_simple("sp804", 0x101e2000, pic[4]); |
236 | sysbus_create_simple("sp804", 0x101e3000, pic[5]); | |
cdbdb648 PB |
237 | |
238 | /* The versatile/PB actually has a modified Color LCD controller | |
239 | that includes hardware cursor support from the PL111. */ | |
2e9bdce5 | 240 | sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]); |
cdbdb648 | 241 | |
aa9311d8 PB |
242 | sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL); |
243 | sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL); | |
a1bb27b1 | 244 | |
7e1543c2 | 245 | /* Add PL031 Real Time Clock. */ |
a63bdb31 | 246 | sysbus_create_simple("pl031", 0x101e8000, pic[10]); |
7e1543c2 | 247 | |
16406950 | 248 | /* Memory map for Versatile/PB: */ |
cdbdb648 PB |
249 | /* 0x10000000 System registers. */ |
250 | /* 0x10001000 PCI controller config registers. */ | |
251 | /* 0x10002000 Serial bus interface. */ | |
252 | /* 0x10003000 Secondary interrupt controller. */ | |
253 | /* 0x10004000 AACI (audio). */ | |
a1bb27b1 | 254 | /* 0x10005000 MMCI0. */ |
cdbdb648 PB |
255 | /* 0x10006000 KMI0 (keyboard). */ |
256 | /* 0x10007000 KMI1 (mouse). */ | |
257 | /* 0x10008000 Character LCD Interface. */ | |
258 | /* 0x10009000 UART3. */ | |
259 | /* 0x1000a000 Smart card 1. */ | |
a1bb27b1 | 260 | /* 0x1000b000 MMCI1. */ |
cdbdb648 PB |
261 | /* 0x10010000 Ethernet. */ |
262 | /* 0x10020000 USB. */ | |
263 | /* 0x10100000 SSMC. */ | |
264 | /* 0x10110000 MPMC. */ | |
265 | /* 0x10120000 CLCD Controller. */ | |
266 | /* 0x10130000 DMA Controller. */ | |
267 | /* 0x10140000 Vectored interrupt controller. */ | |
268 | /* 0x101d0000 AHB Monitor Interface. */ | |
269 | /* 0x101e0000 System Controller. */ | |
270 | /* 0x101e1000 Watchdog Interface. */ | |
271 | /* 0x101e2000 Timer 0/1. */ | |
272 | /* 0x101e3000 Timer 2/3. */ | |
273 | /* 0x101e4000 GPIO port 0. */ | |
274 | /* 0x101e5000 GPIO port 1. */ | |
275 | /* 0x101e6000 GPIO port 2. */ | |
276 | /* 0x101e7000 GPIO port 3. */ | |
277 | /* 0x101e8000 RTC. */ | |
278 | /* 0x101f0000 Smart card 0. */ | |
279 | /* 0x101f1000 UART0. */ | |
280 | /* 0x101f2000 UART1. */ | |
281 | /* 0x101f3000 UART2. */ | |
282 | /* 0x101f4000 SSPI. */ | |
283 | ||
f93eb9ff AZ |
284 | versatile_binfo.ram_size = ram_size; |
285 | versatile_binfo.kernel_filename = kernel_filename; | |
286 | versatile_binfo.kernel_cmdline = kernel_cmdline; | |
287 | versatile_binfo.initrd_filename = initrd_filename; | |
288 | versatile_binfo.board_id = board_id; | |
289 | arm_load_kernel(env, &versatile_binfo); | |
16406950 PB |
290 | } |
291 | ||
c227f099 | 292 | static void vpb_init(ram_addr_t ram_size, |
3023f332 | 293 | const char *boot_device, |
16406950 | 294 | const char *kernel_filename, const char *kernel_cmdline, |
94fc95cd | 295 | const char *initrd_filename, const char *cpu_model) |
16406950 | 296 | { |
fbe1b595 | 297 | versatile_init(ram_size, |
3023f332 | 298 | boot_device, |
16406950 | 299 | kernel_filename, kernel_cmdline, |
3371d272 | 300 | initrd_filename, cpu_model, 0x183); |
16406950 PB |
301 | } |
302 | ||
c227f099 | 303 | static void vab_init(ram_addr_t ram_size, |
3023f332 | 304 | const char *boot_device, |
16406950 | 305 | const char *kernel_filename, const char *kernel_cmdline, |
94fc95cd | 306 | const char *initrd_filename, const char *cpu_model) |
16406950 | 307 | { |
fbe1b595 | 308 | versatile_init(ram_size, |
3023f332 | 309 | boot_device, |
16406950 | 310 | kernel_filename, kernel_cmdline, |
3371d272 | 311 | initrd_filename, cpu_model, 0x25e); |
cdbdb648 PB |
312 | } |
313 | ||
f80f9ec9 | 314 | static QEMUMachine versatilepb_machine = { |
c9b1ae2c BS |
315 | .name = "versatilepb", |
316 | .desc = "ARM Versatile/PB (ARM926EJ-S)", | |
317 | .init = vpb_init, | |
318 | .use_scsi = 1, | |
cdbdb648 | 319 | }; |
16406950 | 320 | |
f80f9ec9 | 321 | static QEMUMachine versatileab_machine = { |
c9b1ae2c BS |
322 | .name = "versatileab", |
323 | .desc = "ARM Versatile/AB (ARM926EJ-S)", | |
324 | .init = vab_init, | |
325 | .use_scsi = 1, | |
16406950 | 326 | }; |
3950f18b | 327 | |
f80f9ec9 AL |
328 | static void versatile_machine_init(void) |
329 | { | |
330 | qemu_register_machine(&versatilepb_machine); | |
331 | qemu_register_machine(&versatileab_machine); | |
332 | } | |
333 | ||
334 | machine_init(versatile_machine_init); | |
335 | ||
3950f18b PB |
336 | static void versatilepb_register_devices(void) |
337 | { | |
338 | sysbus_register_dev("versatilepb_sic", sizeof(vpb_sic_state), | |
339 | vpb_sic_init); | |
340 | } | |
341 | ||
342 | device_init(versatilepb_register_devices) |