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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 base; |
24 | uint32_t level; | |
25 | uint32_t mask; | |
26 | uint32_t pic_enable; | |
d537cf6c | 27 | qemu_irq *parent; |
cdbdb648 PB |
28 | int irq; |
29 | } vpb_sic_state; | |
30 | ||
31 | static void vpb_sic_update(vpb_sic_state *s) | |
32 | { | |
33 | uint32_t flags; | |
34 | ||
35 | flags = s->level & s->mask; | |
d537cf6c | 36 | qemu_set_irq(s->parent[s->irq], flags != 0); |
cdbdb648 PB |
37 | } |
38 | ||
39 | static void vpb_sic_update_pic(vpb_sic_state *s) | |
40 | { | |
41 | int i; | |
42 | uint32_t mask; | |
43 | ||
44 | for (i = 21; i <= 30; i++) { | |
45 | mask = 1u << i; | |
46 | if (!(s->pic_enable & mask)) | |
47 | continue; | |
d537cf6c | 48 | qemu_set_irq(s->parent[i], (s->level & mask) != 0); |
cdbdb648 PB |
49 | } |
50 | } | |
51 | ||
52 | static void vpb_sic_set_irq(void *opaque, int irq, int level) | |
53 | { | |
54 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
55 | if (level) | |
56 | s->level |= 1u << irq; | |
57 | else | |
58 | s->level &= ~(1u << irq); | |
59 | if (s->pic_enable & (1u << irq)) | |
d537cf6c | 60 | qemu_set_irq(s->parent[irq], level); |
cdbdb648 PB |
61 | vpb_sic_update(s); |
62 | } | |
63 | ||
64 | static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset) | |
65 | { | |
66 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
67 | ||
68 | offset -= s->base; | |
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 | ||
86 | static void vpb_sic_write(void *opaque, target_phys_addr_t offset, | |
87 | uint32_t value) | |
88 | { | |
89 | vpb_sic_state *s = (vpb_sic_state *)opaque; | |
90 | offset -= s->base; | |
91 | ||
92 | switch (offset >> 2) { | |
93 | case 2: /* ENSET */ | |
94 | s->mask |= value; | |
95 | break; | |
96 | case 3: /* ENCLR */ | |
97 | s->mask &= ~value; | |
98 | break; | |
99 | case 4: /* SOFTINTSET */ | |
100 | if (value) | |
101 | s->mask |= 1; | |
102 | break; | |
103 | case 5: /* SOFTINTCLR */ | |
104 | if (value) | |
105 | s->mask &= ~1u; | |
106 | break; | |
107 | case 8: /* PICENSET */ | |
108 | s->pic_enable |= (value & 0x7fe00000); | |
109 | vpb_sic_update_pic(s); | |
110 | break; | |
111 | case 9: /* PICENCLR */ | |
112 | s->pic_enable &= ~value; | |
113 | vpb_sic_update_pic(s); | |
114 | break; | |
115 | default: | |
e69954b9 | 116 | printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset); |
cdbdb648 PB |
117 | return; |
118 | } | |
119 | vpb_sic_update(s); | |
120 | } | |
121 | ||
122 | static CPUReadMemoryFunc *vpb_sic_readfn[] = { | |
123 | vpb_sic_read, | |
124 | vpb_sic_read, | |
125 | vpb_sic_read | |
126 | }; | |
127 | ||
128 | static CPUWriteMemoryFunc *vpb_sic_writefn[] = { | |
129 | vpb_sic_write, | |
130 | vpb_sic_write, | |
131 | vpb_sic_write | |
132 | }; | |
133 | ||
d537cf6c | 134 | static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq) |
cdbdb648 PB |
135 | { |
136 | vpb_sic_state *s; | |
d537cf6c | 137 | qemu_irq *qi; |
cdbdb648 PB |
138 | int iomemtype; |
139 | ||
140 | s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state)); | |
141 | if (!s) | |
142 | return NULL; | |
d537cf6c | 143 | qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32); |
cdbdb648 PB |
144 | s->base = base; |
145 | s->parent = parent; | |
146 | s->irq = irq; | |
147 | iomemtype = cpu_register_io_memory(0, vpb_sic_readfn, | |
148 | vpb_sic_writefn, s); | |
187337f8 | 149 | cpu_register_physical_memory(base, 0x00001000, iomemtype); |
cdbdb648 | 150 | /* ??? Save/restore. */ |
d537cf6c | 151 | return qi; |
cdbdb648 PB |
152 | } |
153 | ||
154 | /* Board init. */ | |
155 | ||
16406950 PB |
156 | /* The AB and PB boards both use the same core, just with different |
157 | peripherans and expansion busses. For now we emulate a subset of the | |
158 | PB peripherals and just change the board ID. */ | |
cdbdb648 | 159 | |
f93eb9ff AZ |
160 | static struct arm_boot_info versatile_binfo; |
161 | ||
6ac0e82d AZ |
162 | static void versatile_init(int ram_size, int vga_ram_size, |
163 | const char *boot_device, DisplayState *ds, | |
cdbdb648 | 164 | const char *kernel_filename, const char *kernel_cmdline, |
3371d272 PB |
165 | const char *initrd_filename, const char *cpu_model, |
166 | int board_id) | |
cdbdb648 PB |
167 | { |
168 | CPUState *env; | |
d537cf6c PB |
169 | qemu_irq *pic; |
170 | qemu_irq *sic; | |
7d8406be | 171 | void *scsi_hba; |
502a5395 PB |
172 | PCIBus *pci_bus; |
173 | NICInfo *nd; | |
174 | int n; | |
175 | int done_smc = 0; | |
e4bcb14c | 176 | int index; |
cdbdb648 | 177 | |
3371d272 PB |
178 | if (!cpu_model) |
179 | cpu_model = "arm926"; | |
aaed909a FB |
180 | env = cpu_init(cpu_model); |
181 | if (!env) { | |
182 | fprintf(stderr, "Unable to find CPU definition\n"); | |
183 | exit(1); | |
184 | } | |
cdbdb648 PB |
185 | /* ??? RAM shoud repeat to fill physical memory space. */ |
186 | /* SDRAM at address zero. */ | |
187 | cpu_register_physical_memory(0, ram_size, IO_MEM_RAM); | |
188 | ||
e69954b9 | 189 | arm_sysctl_init(0x10000000, 0x41007004); |
cdbdb648 | 190 | pic = arm_pic_init_cpu(env); |
d537cf6c | 191 | pic = pl190_init(0x10140000, pic[0], pic[1]); |
cdbdb648 | 192 | sic = vpb_sic_init(0x10003000, pic, 31); |
d537cf6c PB |
193 | pl050_init(0x10006000, sic[3], 0); |
194 | pl050_init(0x10007000, sic[4], 1); | |
cdbdb648 | 195 | |
e69954b9 | 196 | pci_bus = pci_vpb_init(sic, 27, 0); |
502a5395 PB |
197 | /* The Versatile PCI bridge does not provide access to PCI IO space, |
198 | so many of the qemu PCI devices are not useable. */ | |
199 | for(n = 0; n < nb_nics; n++) { | |
200 | nd = &nd_table[n]; | |
201 | if (!nd->model) | |
202 | nd->model = done_smc ? "rtl8139" : "smc91c111"; | |
203 | if (strcmp(nd->model, "smc91c111") == 0) { | |
d537cf6c | 204 | smc91c111_init(nd, 0x10010000, sic[25]); |
cdbdb648 | 205 | } else { |
abcebc7e | 206 | pci_nic_init(pci_bus, nd, -1); |
cdbdb648 PB |
207 | } |
208 | } | |
0d92ed30 | 209 | if (usb_enabled) { |
e24ad6f1 | 210 | usb_ohci_init_pci(pci_bus, 3, -1); |
0d92ed30 | 211 | } |
e4bcb14c TS |
212 | if (drive_get_max_bus(IF_SCSI) > 0) { |
213 | fprintf(stderr, "qemu: too many SCSI bus\n"); | |
214 | exit(1); | |
215 | } | |
7d8406be | 216 | scsi_hba = lsi_scsi_init(pci_bus, -1); |
e4bcb14c TS |
217 | for (n = 0; n < LSI_MAX_DEVS; n++) { |
218 | index = drive_get_index(IF_SCSI, 0, n); | |
219 | if (index == -1) | |
220 | continue; | |
221 | lsi_scsi_attach(scsi_hba, drives_table[index].bdrv, n); | |
7d8406be | 222 | } |
cdbdb648 | 223 | |
9ee6e8bb PB |
224 | pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM); |
225 | pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM); | |
226 | pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM); | |
227 | pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM); | |
cdbdb648 | 228 | |
d537cf6c PB |
229 | pl080_init(0x10130000, pic[17], 8); |
230 | sp804_init(0x101e2000, pic[4]); | |
231 | sp804_init(0x101e3000, pic[5]); | |
cdbdb648 PB |
232 | |
233 | /* The versatile/PB actually has a modified Color LCD controller | |
234 | that includes hardware cursor support from the PL111. */ | |
d537cf6c | 235 | pl110_init(ds, 0x10120000, pic[16], 1); |
cdbdb648 | 236 | |
e4bcb14c TS |
237 | index = drive_get_index(IF_SD, 0, 0); |
238 | if (index == -1) { | |
239 | fprintf(stderr, "qemu: missing SecureDigital card\n"); | |
240 | exit(1); | |
241 | } | |
242 | ||
243 | pl181_init(0x10005000, drives_table[index].bdrv, sic[22], sic[1]); | |
a1bb27b1 PB |
244 | #if 0 |
245 | /* Disabled because there's no way of specifying a block device. */ | |
246 | pl181_init(0x1000b000, NULL, sic, 23, 2); | |
247 | #endif | |
248 | ||
7e1543c2 PB |
249 | /* Add PL031 Real Time Clock. */ |
250 | pl031_init(0x101e8000,pic[10]); | |
251 | ||
16406950 | 252 | /* Memory map for Versatile/PB: */ |
cdbdb648 PB |
253 | /* 0x10000000 System registers. */ |
254 | /* 0x10001000 PCI controller config registers. */ | |
255 | /* 0x10002000 Serial bus interface. */ | |
256 | /* 0x10003000 Secondary interrupt controller. */ | |
257 | /* 0x10004000 AACI (audio). */ | |
a1bb27b1 | 258 | /* 0x10005000 MMCI0. */ |
cdbdb648 PB |
259 | /* 0x10006000 KMI0 (keyboard). */ |
260 | /* 0x10007000 KMI1 (mouse). */ | |
261 | /* 0x10008000 Character LCD Interface. */ | |
262 | /* 0x10009000 UART3. */ | |
263 | /* 0x1000a000 Smart card 1. */ | |
a1bb27b1 | 264 | /* 0x1000b000 MMCI1. */ |
cdbdb648 PB |
265 | /* 0x10010000 Ethernet. */ |
266 | /* 0x10020000 USB. */ | |
267 | /* 0x10100000 SSMC. */ | |
268 | /* 0x10110000 MPMC. */ | |
269 | /* 0x10120000 CLCD Controller. */ | |
270 | /* 0x10130000 DMA Controller. */ | |
271 | /* 0x10140000 Vectored interrupt controller. */ | |
272 | /* 0x101d0000 AHB Monitor Interface. */ | |
273 | /* 0x101e0000 System Controller. */ | |
274 | /* 0x101e1000 Watchdog Interface. */ | |
275 | /* 0x101e2000 Timer 0/1. */ | |
276 | /* 0x101e3000 Timer 2/3. */ | |
277 | /* 0x101e4000 GPIO port 0. */ | |
278 | /* 0x101e5000 GPIO port 1. */ | |
279 | /* 0x101e6000 GPIO port 2. */ | |
280 | /* 0x101e7000 GPIO port 3. */ | |
281 | /* 0x101e8000 RTC. */ | |
282 | /* 0x101f0000 Smart card 0. */ | |
283 | /* 0x101f1000 UART0. */ | |
284 | /* 0x101f2000 UART1. */ | |
285 | /* 0x101f3000 UART2. */ | |
286 | /* 0x101f4000 SSPI. */ | |
287 | ||
f93eb9ff AZ |
288 | versatile_binfo.ram_size = ram_size; |
289 | versatile_binfo.kernel_filename = kernel_filename; | |
290 | versatile_binfo.kernel_cmdline = kernel_cmdline; | |
291 | versatile_binfo.initrd_filename = initrd_filename; | |
292 | versatile_binfo.board_id = board_id; | |
293 | arm_load_kernel(env, &versatile_binfo); | |
16406950 PB |
294 | } |
295 | ||
b881c2c6 BS |
296 | static void vpb_init(int ram_size, int vga_ram_size, |
297 | const char *boot_device, DisplayState *ds, | |
16406950 | 298 | const char *kernel_filename, const char *kernel_cmdline, |
94fc95cd | 299 | const char *initrd_filename, const char *cpu_model) |
16406950 | 300 | { |
b881c2c6 BS |
301 | versatile_init(ram_size, vga_ram_size, |
302 | boot_device, ds, | |
16406950 | 303 | kernel_filename, kernel_cmdline, |
3371d272 | 304 | initrd_filename, cpu_model, 0x183); |
16406950 PB |
305 | } |
306 | ||
b881c2c6 BS |
307 | static void vab_init(int ram_size, int vga_ram_size, |
308 | const char *boot_device, DisplayState *ds, | |
16406950 | 309 | const char *kernel_filename, const char *kernel_cmdline, |
94fc95cd | 310 | const char *initrd_filename, const char *cpu_model) |
16406950 | 311 | { |
b881c2c6 BS |
312 | versatile_init(ram_size, vga_ram_size, |
313 | boot_device, ds, | |
16406950 | 314 | kernel_filename, kernel_cmdline, |
3371d272 | 315 | initrd_filename, cpu_model, 0x25e); |
cdbdb648 PB |
316 | } |
317 | ||
318 | QEMUMachine versatilepb_machine = { | |
319 | "versatilepb", | |
320 | "ARM Versatile/PB (ARM926EJ-S)", | |
321 | vpb_init, | |
322 | }; | |
16406950 PB |
323 | |
324 | QEMUMachine versatileab_machine = { | |
325 | "versatileab", | |
326 | "ARM Versatile/AB (ARM926EJ-S)", | |
327 | vab_init, | |
328 | }; |