]> git.proxmox.com Git - qemu.git/blame - hw/versatilepb.c
pl190: Implement save/restore
[qemu.git] / hw / versatilepb.c
CommitLineData
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"
2446333c 19#include "blockdev.h"
cdbdb648 20
cdbdb648
PB
21/* Primary interrupt controller. */
22
23typedef struct vpb_sic_state
24{
3950f18b 25 SysBusDevice busdev;
cdbdb648
PB
26 uint32_t level;
27 uint32_t mask;
28 uint32_t pic_enable;
97aff481 29 qemu_irq parent[32];
cdbdb648
PB
30 int irq;
31} vpb_sic_state;
32
33static void vpb_sic_update(vpb_sic_state *s)
34{
35 uint32_t flags;
36
37 flags = s->level & s->mask;
d537cf6c 38 qemu_set_irq(s->parent[s->irq], flags != 0);
cdbdb648
PB
39}
40
41static void vpb_sic_update_pic(vpb_sic_state *s)
42{
43 int i;
44 uint32_t mask;
45
46 for (i = 21; i <= 30; i++) {
47 mask = 1u << i;
48 if (!(s->pic_enable & mask))
49 continue;
d537cf6c 50 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
cdbdb648
PB
51 }
52}
53
54static void vpb_sic_set_irq(void *opaque, int irq, int level)
55{
56 vpb_sic_state *s = (vpb_sic_state *)opaque;
57 if (level)
58 s->level |= 1u << irq;
59 else
60 s->level &= ~(1u << irq);
61 if (s->pic_enable & (1u << irq))
d537cf6c 62 qemu_set_irq(s->parent[irq], level);
cdbdb648
PB
63 vpb_sic_update(s);
64}
65
c227f099 66static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
cdbdb648
PB
67{
68 vpb_sic_state *s = (vpb_sic_state *)opaque;
69
cdbdb648
PB
70 switch (offset >> 2) {
71 case 0: /* STATUS */
72 return s->level & s->mask;
73 case 1: /* RAWSTAT */
74 return s->level;
75 case 2: /* ENABLE */
76 return s->mask;
77 case 4: /* SOFTINT */
78 return s->level & 1;
79 case 8: /* PICENABLE */
80 return s->pic_enable;
81 default:
e69954b9 82 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
cdbdb648
PB
83 return 0;
84 }
85}
86
c227f099 87static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
cdbdb648
PB
88 uint32_t value)
89{
90 vpb_sic_state *s = (vpb_sic_state *)opaque;
cdbdb648
PB
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
d60efc6b 122static CPUReadMemoryFunc * const vpb_sic_readfn[] = {
cdbdb648
PB
123 vpb_sic_read,
124 vpb_sic_read,
125 vpb_sic_read
126};
127
d60efc6b 128static CPUWriteMemoryFunc * const vpb_sic_writefn[] = {
cdbdb648
PB
129 vpb_sic_write,
130 vpb_sic_write,
131 vpb_sic_write
132};
133
81a322d4 134static int vpb_sic_init(SysBusDevice *dev)
cdbdb648 135{
3950f18b 136 vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
cdbdb648 137 int iomemtype;
97aff481 138 int i;
cdbdb648 139
067a3ddc 140 qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32);
97aff481 141 for (i = 0; i < 32; i++) {
3950f18b 142 sysbus_init_irq(dev, &s->parent[i]);
97aff481 143 }
3950f18b 144 s->irq = 31;
1eed09cb 145 iomemtype = cpu_register_io_memory(vpb_sic_readfn,
2507c12a
AG
146 vpb_sic_writefn, s,
147 DEVICE_NATIVE_ENDIAN);
3950f18b 148 sysbus_init_mmio(dev, 0x1000, iomemtype);
cdbdb648 149 /* ??? Save/restore. */
81a322d4 150 return 0;
cdbdb648
PB
151}
152
153/* Board init. */
154
16406950
PB
155/* The AB and PB boards both use the same core, just with different
156 peripherans and expansion busses. For now we emulate a subset of the
157 PB peripherals and just change the board ID. */
cdbdb648 158
f93eb9ff
AZ
159static struct arm_boot_info versatile_binfo;
160
c227f099 161static void versatile_init(ram_addr_t ram_size,
3023f332 162 const char *boot_device,
cdbdb648 163 const char *kernel_filename, const char *kernel_cmdline,
3371d272
PB
164 const char *initrd_filename, const char *cpu_model,
165 int board_id)
cdbdb648
PB
166{
167 CPUState *env;
c227f099 168 ram_addr_t ram_offset;
97aff481
PB
169 qemu_irq *cpu_pic;
170 qemu_irq pic[32];
3950f18b 171 qemu_irq sic[32];
97aff481 172 DeviceState *dev;
502a5395
PB
173 PCIBus *pci_bus;
174 NICInfo *nd;
175 int n;
176 int done_smc = 0;
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 }
1724f049 185 ram_offset = qemu_ram_alloc(NULL, "versatile.ram", ram_size);
1235fc06 186 /* ??? RAM should repeat to fill physical memory space. */
cdbdb648 187 /* SDRAM at address zero. */
7ffab4d7 188 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
cdbdb648 189
26e92f65 190 arm_sysctl_init(0x10000000, 0x41007004, 0x02000000);
97aff481
PB
191 cpu_pic = arm_pic_init_cpu(env);
192 dev = sysbus_create_varargs("pl190", 0x10140000,
193 cpu_pic[0], cpu_pic[1], NULL);
194 for (n = 0; n < 32; n++) {
067a3ddc 195 pic[n] = qdev_get_gpio_in(dev, n);
97aff481 196 }
3950f18b
PB
197 dev = sysbus_create_simple("versatilepb_sic", 0x10003000, NULL);
198 for (n = 0; n < 32; n++) {
199 sysbus_connect_irq(sysbus_from_qdev(dev), n, pic[n]);
067a3ddc 200 sic[n] = qdev_get_gpio_in(dev, n);
3950f18b 201 }
86394e96
PB
202
203 sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
204 sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
cdbdb648 205
0027b06d
PB
206 dev = sysbus_create_varargs("versatile_pci", 0x40000000,
207 sic[27], sic[28], sic[29], sic[30], NULL);
02e2da45 208 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
0027b06d 209
502a5395
PB
210 /* The Versatile PCI bridge does not provide access to PCI IO space,
211 so many of the qemu PCI devices are not useable. */
212 for(n = 0; n < nb_nics; n++) {
213 nd = &nd_table[n];
0ae18cee
AL
214
215 if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
d537cf6c 216 smc91c111_init(nd, 0x10010000, sic[25]);
0ae18cee 217 done_smc = 1;
cdbdb648 218 } else {
07caea31 219 pci_nic_init_nofail(nd, "rtl8139", NULL);
cdbdb648
PB
220 }
221 }
0d92ed30 222 if (usb_enabled) {
a67ba3b6 223 usb_ohci_init_pci(pci_bus, -1);
0d92ed30 224 }
9be5dafe
PB
225 n = drive_get_max_bus(IF_SCSI);
226 while (n >= 0) {
227 pci_create_simple(pci_bus, -1, "lsi53c895a");
228 n--;
7d8406be 229 }
cdbdb648 230
a7d518a6
PB
231 sysbus_create_simple("pl011", 0x101f1000, pic[12]);
232 sysbus_create_simple("pl011", 0x101f2000, pic[13]);
233 sysbus_create_simple("pl011", 0x101f3000, pic[14]);
234 sysbus_create_simple("pl011", 0x10009000, sic[6]);
cdbdb648 235
b4496b13 236 sysbus_create_simple("pl080", 0x10130000, pic[17]);
6a824ec3
PB
237 sysbus_create_simple("sp804", 0x101e2000, pic[4]);
238 sysbus_create_simple("sp804", 0x101e3000, pic[5]);
cdbdb648
PB
239
240 /* The versatile/PB actually has a modified Color LCD controller
241 that includes hardware cursor support from the PL111. */
2e9bdce5 242 sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
cdbdb648 243
aa9311d8
PB
244 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
245 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
a1bb27b1 246
7e1543c2 247 /* Add PL031 Real Time Clock. */
a63bdb31 248 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
7e1543c2 249
16406950 250 /* Memory map for Versatile/PB: */
cdbdb648
PB
251 /* 0x10000000 System registers. */
252 /* 0x10001000 PCI controller config registers. */
253 /* 0x10002000 Serial bus interface. */
254 /* 0x10003000 Secondary interrupt controller. */
255 /* 0x10004000 AACI (audio). */
a1bb27b1 256 /* 0x10005000 MMCI0. */
cdbdb648
PB
257 /* 0x10006000 KMI0 (keyboard). */
258 /* 0x10007000 KMI1 (mouse). */
259 /* 0x10008000 Character LCD Interface. */
260 /* 0x10009000 UART3. */
261 /* 0x1000a000 Smart card 1. */
a1bb27b1 262 /* 0x1000b000 MMCI1. */
cdbdb648
PB
263 /* 0x10010000 Ethernet. */
264 /* 0x10020000 USB. */
265 /* 0x10100000 SSMC. */
266 /* 0x10110000 MPMC. */
267 /* 0x10120000 CLCD Controller. */
268 /* 0x10130000 DMA Controller. */
269 /* 0x10140000 Vectored interrupt controller. */
270 /* 0x101d0000 AHB Monitor Interface. */
271 /* 0x101e0000 System Controller. */
272 /* 0x101e1000 Watchdog Interface. */
273 /* 0x101e2000 Timer 0/1. */
274 /* 0x101e3000 Timer 2/3. */
275 /* 0x101e4000 GPIO port 0. */
276 /* 0x101e5000 GPIO port 1. */
277 /* 0x101e6000 GPIO port 2. */
278 /* 0x101e7000 GPIO port 3. */
279 /* 0x101e8000 RTC. */
280 /* 0x101f0000 Smart card 0. */
281 /* 0x101f1000 UART0. */
282 /* 0x101f2000 UART1. */
283 /* 0x101f3000 UART2. */
284 /* 0x101f4000 SSPI. */
285
f93eb9ff
AZ
286 versatile_binfo.ram_size = ram_size;
287 versatile_binfo.kernel_filename = kernel_filename;
288 versatile_binfo.kernel_cmdline = kernel_cmdline;
289 versatile_binfo.initrd_filename = initrd_filename;
290 versatile_binfo.board_id = board_id;
291 arm_load_kernel(env, &versatile_binfo);
16406950
PB
292}
293
c227f099 294static void vpb_init(ram_addr_t ram_size,
3023f332 295 const char *boot_device,
16406950 296 const char *kernel_filename, const char *kernel_cmdline,
94fc95cd 297 const char *initrd_filename, const char *cpu_model)
16406950 298{
fbe1b595 299 versatile_init(ram_size,
3023f332 300 boot_device,
16406950 301 kernel_filename, kernel_cmdline,
3371d272 302 initrd_filename, cpu_model, 0x183);
16406950
PB
303}
304
c227f099 305static void vab_init(ram_addr_t ram_size,
3023f332 306 const char *boot_device,
16406950 307 const char *kernel_filename, const char *kernel_cmdline,
94fc95cd 308 const char *initrd_filename, const char *cpu_model)
16406950 309{
fbe1b595 310 versatile_init(ram_size,
3023f332 311 boot_device,
16406950 312 kernel_filename, kernel_cmdline,
3371d272 313 initrd_filename, cpu_model, 0x25e);
cdbdb648
PB
314}
315
f80f9ec9 316static QEMUMachine versatilepb_machine = {
c9b1ae2c
BS
317 .name = "versatilepb",
318 .desc = "ARM Versatile/PB (ARM926EJ-S)",
319 .init = vpb_init,
320 .use_scsi = 1,
cdbdb648 321};
16406950 322
f80f9ec9 323static QEMUMachine versatileab_machine = {
c9b1ae2c
BS
324 .name = "versatileab",
325 .desc = "ARM Versatile/AB (ARM926EJ-S)",
326 .init = vab_init,
327 .use_scsi = 1,
16406950 328};
3950f18b 329
f80f9ec9
AL
330static void versatile_machine_init(void)
331{
332 qemu_register_machine(&versatilepb_machine);
333 qemu_register_machine(&versatileab_machine);
334}
335
336machine_init(versatile_machine_init);
337
3950f18b
PB
338static void versatilepb_register_devices(void)
339{
340 sysbus_register_dev("versatilepb_sic", sizeof(vpb_sic_state),
341 vpb_sic_init);
342}
343
344device_init(versatilepb_register_devices)