2 * ARM Versatile Platform/Application Baseboard System emulation.
4 * Copyright (c) 2005-2007 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licenced under the GPL.
12 #include "primecell.h"
21 /* Primary interrupt controller. */
23 typedef struct vpb_sic_state
33 static void vpb_sic_update(vpb_sic_state *s)
37 flags = s->level & s->mask;
38 qemu_set_irq(s->parent[s->irq], flags != 0);
41 static void vpb_sic_update_pic(vpb_sic_state *s)
46 for (i = 21; i <= 30; i++) {
48 if (!(s->pic_enable & mask))
50 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
54 static void vpb_sic_set_irq(void *opaque, int irq, int level)
56 vpb_sic_state *s = (vpb_sic_state *)opaque;
58 s->level |= 1u << irq;
60 s->level &= ~(1u << irq);
61 if (s->pic_enable & (1u << irq))
62 qemu_set_irq(s->parent[irq], level);
66 static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
68 vpb_sic_state *s = (vpb_sic_state *)opaque;
70 switch (offset >> 2) {
72 return s->level & s->mask;
79 case 8: /* PICENABLE */
82 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
87 static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
90 vpb_sic_state *s = (vpb_sic_state *)opaque;
92 switch (offset >> 2) {
99 case 4: /* SOFTINTSET */
103 case 5: /* SOFTINTCLR */
107 case 8: /* PICENSET */
108 s->pic_enable |= (value & 0x7fe00000);
109 vpb_sic_update_pic(s);
111 case 9: /* PICENCLR */
112 s->pic_enable &= ~value;
113 vpb_sic_update_pic(s);
116 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
122 static CPUReadMemoryFunc * const vpb_sic_readfn[] = {
128 static CPUWriteMemoryFunc * const vpb_sic_writefn[] = {
134 static int vpb_sic_init(SysBusDevice *dev)
136 vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
140 qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32);
141 for (i = 0; i < 32; i++) {
142 sysbus_init_irq(dev, &s->parent[i]);
145 iomemtype = cpu_register_io_memory(vpb_sic_readfn,
147 DEVICE_NATIVE_ENDIAN);
148 sysbus_init_mmio(dev, 0x1000, iomemtype);
149 /* ??? Save/restore. */
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. */
159 static struct arm_boot_info versatile_binfo;
161 static void versatile_init(ram_addr_t ram_size,
162 const char *boot_device,
163 const char *kernel_filename, const char *kernel_cmdline,
164 const char *initrd_filename, const char *cpu_model,
168 ram_addr_t ram_offset;
179 cpu_model = "arm926";
180 env = cpu_init(cpu_model);
182 fprintf(stderr, "Unable to find CPU definition\n");
185 ram_offset = qemu_ram_alloc(NULL, "versatile.ram", ram_size);
186 /* ??? RAM should repeat to fill physical memory space. */
187 /* SDRAM at address zero. */
188 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
190 arm_sysctl_init(0x10000000, 0x41007004, 0x02000000);
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++) {
195 pic[n] = qdev_get_gpio_in(dev, n);
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]);
200 sic[n] = qdev_get_gpio_in(dev, n);
203 sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
204 sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
206 dev = sysbus_create_varargs("versatile_pci", 0x40000000,
207 sic[27], sic[28], sic[29], sic[30], NULL);
208 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
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++) {
215 if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
216 smc91c111_init(nd, 0x10010000, sic[25]);
219 pci_nic_init_nofail(nd, "rtl8139", NULL);
223 usb_ohci_init_pci(pci_bus, -1);
225 n = drive_get_max_bus(IF_SCSI);
227 pci_create_simple(pci_bus, -1, "lsi53c895a");
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]);
236 sysbus_create_simple("pl080", 0x10130000, pic[17]);
237 sysbus_create_simple("sp804", 0x101e2000, pic[4]);
238 sysbus_create_simple("sp804", 0x101e3000, pic[5]);
240 /* The versatile/PB actually has a modified Color LCD controller
241 that includes hardware cursor support from the PL111. */
242 sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
244 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
245 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
247 /* Add PL031 Real Time Clock. */
248 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
250 /* Memory map for Versatile/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). */
256 /* 0x10005000 MMCI0. */
257 /* 0x10006000 KMI0 (keyboard). */
258 /* 0x10007000 KMI1 (mouse). */
259 /* 0x10008000 Character LCD Interface. */
260 /* 0x10009000 UART3. */
261 /* 0x1000a000 Smart card 1. */
262 /* 0x1000b000 MMCI1. */
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. */
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);
294 static void vpb_init(ram_addr_t ram_size,
295 const char *boot_device,
296 const char *kernel_filename, const char *kernel_cmdline,
297 const char *initrd_filename, const char *cpu_model)
299 versatile_init(ram_size,
301 kernel_filename, kernel_cmdline,
302 initrd_filename, cpu_model, 0x183);
305 static void vab_init(ram_addr_t ram_size,
306 const char *boot_device,
307 const char *kernel_filename, const char *kernel_cmdline,
308 const char *initrd_filename, const char *cpu_model)
310 versatile_init(ram_size,
312 kernel_filename, kernel_cmdline,
313 initrd_filename, cpu_model, 0x25e);
316 static QEMUMachine versatilepb_machine = {
317 .name = "versatilepb",
318 .desc = "ARM Versatile/PB (ARM926EJ-S)",
323 static QEMUMachine versatileab_machine = {
324 .name = "versatileab",
325 .desc = "ARM Versatile/AB (ARM926EJ-S)",
330 static void versatile_machine_init(void)
332 qemu_register_machine(&versatilepb_machine);
333 qemu_register_machine(&versatileab_machine);
336 machine_init(versatile_machine_init);
338 static void versatilepb_register_devices(void)
340 sysbus_register_dev("versatilepb_sic", sizeof(vpb_sic_state),
344 device_init(versatilepb_register_devices)