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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 | ||
87ecb68b PB |
10 | #include "hw.h" |
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" | |
17 | #include "boards.h" | |
cdbdb648 | 18 | |
cdbdb648 PB |
19 | /* Primary interrupt controller. */ |
20 | ||
21 | typedef struct vpb_sic_state | |
22 | { | |
cdbdb648 PB |
23 | uint32_t level; |
24 | uint32_t mask; | |
25 | uint32_t pic_enable; | |
d537cf6c | 26 | qemu_irq *parent; |
cdbdb648 PB |
27 | int irq; |
28 | } vpb_sic_state; | |
29 | ||
30 | static void vpb_sic_update(vpb_sic_state *s) | |
31 | { | |
32 | uint32_t flags; | |
33 | ||
34 | flags = s->level & s->mask; | |
d537cf6c | 35 | qemu_set_irq(s->parent[s->irq], flags != 0); |
cdbdb648 PB |
36 | } |
37 | ||
38 | static void vpb_sic_update_pic(vpb_sic_state *s) | |
39 | { | |
40 | int i; | |
41 | uint32_t mask; | |
42 | ||
43 | for (i = 21; i <= 30; i++) { | |
44 | mask = 1u << i; | |
45 | if (!(s->pic_enable & mask)) | |
46 | continue; | |
d537cf6c | 47 | qemu_set_irq(s->parent[i], (s->level & mask) != 0); |
cdbdb648 PB |
48 | } |
49 | } | |
50 | ||
51 | static void vpb_sic_set_irq(void *opaque, int irq, int level) | |
52 | { | |
53 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
54 | if (level) | |
55 | s->level |= 1u << irq; | |
56 | else | |
57 | s->level &= ~(1u << irq); | |
58 | if (s->pic_enable & (1u << irq)) | |
d537cf6c | 59 | qemu_set_irq(s->parent[irq], level); |
cdbdb648 PB |
60 | vpb_sic_update(s); |
61 | } | |
62 | ||
63 | static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset) | |
64 | { | |
65 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
66 | ||
cdbdb648 PB |
67 | switch (offset >> 2) { |
68 | case 0: /* STATUS */ | |
69 | return s->level & s->mask; | |
70 | case 1: /* RAWSTAT */ | |
71 | return s->level; | |
72 | case 2: /* ENABLE */ | |
73 | return s->mask; | |
74 | case 4: /* SOFTINT */ | |
75 | return s->level & 1; | |
76 | case 8: /* PICENABLE */ | |
77 | return s->pic_enable; | |
78 | default: | |
e69954b9 | 79 | printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset); |
cdbdb648 PB |
80 | return 0; |
81 | } | |
82 | } | |
83 | ||
84 | static void vpb_sic_write(void *opaque, target_phys_addr_t offset, | |
85 | uint32_t value) | |
86 | { | |
87 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
cdbdb648 PB |
88 | |
89 | switch (offset >> 2) { | |
90 | case 2: /* ENSET */ | |
91 | s->mask |= value; | |
92 | break; | |
93 | case 3: /* ENCLR */ | |
94 | s->mask &= ~value; | |
95 | break; | |
96 | case 4: /* SOFTINTSET */ | |
97 | if (value) | |
98 | s->mask |= 1; | |
99 | break; | |
100 | case 5: /* SOFTINTCLR */ | |
101 | if (value) | |
102 | s->mask &= ~1u; | |
103 | break; | |
104 | case 8: /* PICENSET */ | |
105 | s->pic_enable |= (value & 0x7fe00000); | |
106 | vpb_sic_update_pic(s); | |
107 | break; | |
108 | case 9: /* PICENCLR */ | |
109 | s->pic_enable &= ~value; | |
110 | vpb_sic_update_pic(s); | |
111 | break; | |
112 | default: | |
e69954b9 | 113 | printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); |
cdbdb648 PB |
114 | return; |
115 | } | |
116 | vpb_sic_update(s); | |
117 | } | |
118 | ||
119 | static CPUReadMemoryFunc *vpb_sic_readfn[] = { | |
120 | vpb_sic_read, | |
121 | vpb_sic_read, | |
122 | vpb_sic_read | |
123 | }; | |
124 | ||
125 | static CPUWriteMemoryFunc *vpb_sic_writefn[] = { | |
126 | vpb_sic_write, | |
127 | vpb_sic_write, | |
128 | vpb_sic_write | |
129 | }; | |
130 | ||
d537cf6c | 131 | static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq) |
cdbdb648 PB |
132 | { |
133 | vpb_sic_state *s; | |
d537cf6c | 134 | qemu_irq *qi; |
cdbdb648 PB |
135 | int iomemtype; |
136 | ||
137 | s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state)); | |
d537cf6c | 138 | qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32); |
cdbdb648 PB |
139 | s->parent = parent; |
140 | s->irq = irq; | |
141 | iomemtype = cpu_register_io_memory(0, vpb_sic_readfn, | |
142 | vpb_sic_writefn, s); | |
187337f8 | 143 | cpu_register_physical_memory(base, 0x00001000, iomemtype); |
cdbdb648 | 144 | /* ??? Save/restore. */ |
d537cf6c | 145 | return qi; |
cdbdb648 PB |
146 | } |
147 | ||
148 | /* Board init. */ | |
149 | ||
16406950 PB |
150 | /* The AB and PB boards both use the same core, just with different |
151 | peripherans and expansion busses. For now we emulate a subset of the | |
152 | PB peripherals and just change the board ID. */ | |
cdbdb648 | 153 | |
f93eb9ff AZ |
154 | static struct arm_boot_info versatile_binfo; |
155 | ||
fbe1b595 | 156 | static void versatile_init(ram_addr_t ram_size, |
3023f332 | 157 | const char *boot_device, |
cdbdb648 | 158 | const char *kernel_filename, const char *kernel_cmdline, |
3371d272 PB |
159 | const char *initrd_filename, const char *cpu_model, |
160 | int board_id) | |
cdbdb648 PB |
161 | { |
162 | CPUState *env; | |
7ffab4d7 | 163 | ram_addr_t ram_offset; |
d537cf6c PB |
164 | qemu_irq *pic; |
165 | qemu_irq *sic; | |
7d8406be | 166 | void *scsi_hba; |
502a5395 PB |
167 | PCIBus *pci_bus; |
168 | NICInfo *nd; | |
169 | int n; | |
170 | int done_smc = 0; | |
e4bcb14c | 171 | int index; |
cdbdb648 | 172 | |
3371d272 PB |
173 | if (!cpu_model) |
174 | cpu_model = "arm926"; | |
aaed909a FB |
175 | env = cpu_init(cpu_model); |
176 | if (!env) { | |
177 | fprintf(stderr, "Unable to find CPU definition\n"); | |
178 | exit(1); | |
179 | } | |
7ffab4d7 | 180 | ram_offset = qemu_ram_alloc(ram_size); |
1235fc06 | 181 | /* ??? RAM should repeat to fill physical memory space. */ |
cdbdb648 | 182 | /* SDRAM at address zero. */ |
7ffab4d7 | 183 | cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM); |
cdbdb648 | 184 | |
e69954b9 | 185 | arm_sysctl_init(0x10000000, 0x41007004); |
cdbdb648 | 186 | pic = arm_pic_init_cpu(env); |
d537cf6c | 187 | pic = pl190_init(0x10140000, pic[0], pic[1]); |
cdbdb648 | 188 | sic = vpb_sic_init(0x10003000, pic, 31); |
d537cf6c PB |
189 | pl050_init(0x10006000, sic[3], 0); |
190 | pl050_init(0x10007000, sic[4], 1); | |
cdbdb648 | 191 | |
e69954b9 | 192 | pci_bus = pci_vpb_init(sic, 27, 0); |
502a5395 PB |
193 | /* The Versatile PCI bridge does not provide access to PCI IO space, |
194 | so many of the qemu PCI devices are not useable. */ | |
195 | for(n = 0; n < nb_nics; n++) { | |
196 | nd = &nd_table[n]; | |
0ae18cee AL |
197 | |
198 | if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) { | |
d537cf6c | 199 | smc91c111_init(nd, 0x10010000, sic[25]); |
0ae18cee | 200 | done_smc = 1; |
cdbdb648 | 201 | } else { |
cb457d76 | 202 | pci_nic_init(pci_bus, nd, -1, "rtl8139"); |
cdbdb648 PB |
203 | } |
204 | } | |
0d92ed30 | 205 | if (usb_enabled) { |
e24ad6f1 | 206 | usb_ohci_init_pci(pci_bus, 3, -1); |
0d92ed30 | 207 | } |
e4bcb14c TS |
208 | if (drive_get_max_bus(IF_SCSI) > 0) { |
209 | fprintf(stderr, "qemu: too many SCSI bus\n"); | |
210 | exit(1); | |
211 | } | |
7d8406be | 212 | scsi_hba = lsi_scsi_init(pci_bus, -1); |
e4bcb14c TS |
213 | for (n = 0; n < LSI_MAX_DEVS; n++) { |
214 | index = drive_get_index(IF_SCSI, 0, n); | |
215 | if (index == -1) | |
216 | continue; | |
217 | lsi_scsi_attach(scsi_hba, drives_table[index].bdrv, n); | |
7d8406be | 218 | } |
cdbdb648 | 219 | |
9ee6e8bb PB |
220 | pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM); |
221 | pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM); | |
222 | pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM); | |
223 | pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM); | |
cdbdb648 | 224 | |
d537cf6c PB |
225 | pl080_init(0x10130000, pic[17], 8); |
226 | sp804_init(0x101e2000, pic[4]); | |
227 | sp804_init(0x101e3000, pic[5]); | |
cdbdb648 PB |
228 | |
229 | /* The versatile/PB actually has a modified Color LCD controller | |
230 | that includes hardware cursor support from the PL111. */ | |
3023f332 | 231 | pl110_init(0x10120000, pic[16], 1); |
cdbdb648 | 232 | |
e4bcb14c TS |
233 | index = drive_get_index(IF_SD, 0, 0); |
234 | if (index == -1) { | |
235 | fprintf(stderr, "qemu: missing SecureDigital card\n"); | |
236 | exit(1); | |
237 | } | |
238 | ||
239 | pl181_init(0x10005000, drives_table[index].bdrv, sic[22], sic[1]); | |
a1bb27b1 PB |
240 | #if 0 |
241 | /* Disabled because there's no way of specifying a block device. */ | |
242 | pl181_init(0x1000b000, NULL, sic, 23, 2); | |
243 | #endif | |
244 | ||
7e1543c2 PB |
245 | /* Add PL031 Real Time Clock. */ |
246 | pl031_init(0x101e8000,pic[10]); | |
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 | ||
fbe1b595 | 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 | ||
fbe1b595 | 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 | ||
314 | 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 PB |
320 | |
321 | 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 | }; |