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"
20 /* Primary interrupt controller. */
22 typedef struct vpb_sic_state
32 static void vpb_sic_update(vpb_sic_state *s)
36 flags = s->level & s->mask;
37 qemu_set_irq(s->parent[s->irq], flags != 0);
40 static void vpb_sic_update_pic(vpb_sic_state *s)
45 for (i = 21; i <= 30; i++) {
47 if (!(s->pic_enable & mask))
49 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
53 static void vpb_sic_set_irq(void *opaque, int irq, int level)
55 vpb_sic_state *s = (vpb_sic_state *)opaque;
57 s->level |= 1u << irq;
59 s->level &= ~(1u << irq);
60 if (s->pic_enable & (1u << irq))
61 qemu_set_irq(s->parent[irq], level);
65 static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
67 vpb_sic_state *s = (vpb_sic_state *)opaque;
69 switch (offset >> 2) {
71 return s->level & s->mask;
78 case 8: /* PICENABLE */
81 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
86 static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
89 vpb_sic_state *s = (vpb_sic_state *)opaque;
91 switch (offset >> 2) {
98 case 4: /* SOFTINTSET */
102 case 5: /* SOFTINTCLR */
106 case 8: /* PICENSET */
107 s->pic_enable |= (value & 0x7fe00000);
108 vpb_sic_update_pic(s);
110 case 9: /* PICENCLR */
111 s->pic_enable &= ~value;
112 vpb_sic_update_pic(s);
115 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
121 static CPUReadMemoryFunc * const vpb_sic_readfn[] = {
127 static CPUWriteMemoryFunc * const vpb_sic_writefn[] = {
133 static int vpb_sic_init(SysBusDevice *dev)
135 vpb_sic_state *s = FROM_SYSBUS(vpb_sic_state, dev);
139 qdev_init_gpio_in(&dev->qdev, vpb_sic_set_irq, 32);
140 for (i = 0; i < 32; i++) {
141 sysbus_init_irq(dev, &s->parent[i]);
144 iomemtype = cpu_register_io_memory(vpb_sic_readfn,
146 sysbus_init_mmio(dev, 0x1000, iomemtype);
147 /* ??? Save/restore. */
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. */
157 static struct arm_boot_info versatile_binfo;
159 static void versatile_init(ram_addr_t ram_size,
160 const char *boot_device,
161 const char *kernel_filename, const char *kernel_cmdline,
162 const char *initrd_filename, const char *cpu_model,
166 ram_addr_t ram_offset;
177 cpu_model = "arm926";
178 env = cpu_init(cpu_model);
180 fprintf(stderr, "Unable to find CPU definition\n");
183 ram_offset = qemu_ram_alloc(ram_size);
184 /* ??? RAM should repeat to fill physical memory space. */
185 /* SDRAM at address zero. */
186 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
188 arm_sysctl_init(0x10000000, 0x41007004, 0x02000000);
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++) {
193 pic[n] = qdev_get_gpio_in(dev, n);
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]);
198 sic[n] = qdev_get_gpio_in(dev, n);
201 sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
202 sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
204 dev = sysbus_create_varargs("versatile_pci", 0x40000000,
205 sic[27], sic[28], sic[29], sic[30], NULL);
206 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
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++) {
213 if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
214 smc91c111_init(nd, 0x10010000, sic[25]);
217 pci_nic_init_nofail(nd, "rtl8139", NULL);
221 usb_ohci_init_pci(pci_bus, -1);
223 n = drive_get_max_bus(IF_SCSI);
225 pci_create_simple(pci_bus, -1, "lsi53c895a");
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]);
234 sysbus_create_simple("pl080", 0x10130000, pic[17]);
235 sysbus_create_simple("sp804", 0x101e2000, pic[4]);
236 sysbus_create_simple("sp804", 0x101e3000, pic[5]);
238 /* The versatile/PB actually has a modified Color LCD controller
239 that includes hardware cursor support from the PL111. */
240 sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
242 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
243 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
245 /* Add PL031 Real Time Clock. */
246 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
248 /* Memory map for Versatile/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). */
254 /* 0x10005000 MMCI0. */
255 /* 0x10006000 KMI0 (keyboard). */
256 /* 0x10007000 KMI1 (mouse). */
257 /* 0x10008000 Character LCD Interface. */
258 /* 0x10009000 UART3. */
259 /* 0x1000a000 Smart card 1. */
260 /* 0x1000b000 MMCI1. */
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. */
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);
292 static void vpb_init(ram_addr_t ram_size,
293 const char *boot_device,
294 const char *kernel_filename, const char *kernel_cmdline,
295 const char *initrd_filename, const char *cpu_model)
297 versatile_init(ram_size,
299 kernel_filename, kernel_cmdline,
300 initrd_filename, cpu_model, 0x183);
303 static void vab_init(ram_addr_t ram_size,
304 const char *boot_device,
305 const char *kernel_filename, const char *kernel_cmdline,
306 const char *initrd_filename, const char *cpu_model)
308 versatile_init(ram_size,
310 kernel_filename, kernel_cmdline,
311 initrd_filename, cpu_model, 0x25e);
314 static QEMUMachine versatilepb_machine = {
315 .name = "versatilepb",
316 .desc = "ARM Versatile/PB (ARM926EJ-S)",
321 static QEMUMachine versatileab_machine = {
322 .name = "versatileab",
323 .desc = "ARM Versatile/AB (ARM926EJ-S)",
328 static void versatile_machine_init(void)
330 qemu_register_machine(&versatilepb_machine);
331 qemu_register_machine(&versatileab_machine);
334 machine_init(versatile_machine_init);
336 static void versatilepb_register_devices(void)
338 sysbus_register_dev("versatilepb_sic", sizeof(vpb_sic_state),
342 device_init(versatilepb_register_devices)