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"
19 /* Primary interrupt controller. */
21 typedef struct vpb_sic_state
30 static void vpb_sic_update(vpb_sic_state *s)
34 flags = s->level & s->mask;
35 qemu_set_irq(s->parent[s->irq], flags != 0);
38 static void vpb_sic_update_pic(vpb_sic_state *s)
43 for (i = 21; i <= 30; i++) {
45 if (!(s->pic_enable & mask))
47 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
51 static void vpb_sic_set_irq(void *opaque, int irq, int level)
53 vpb_sic_state *s = (vpb_sic_state *)opaque;
55 s->level |= 1u << irq;
57 s->level &= ~(1u << irq);
58 if (s->pic_enable & (1u << irq))
59 qemu_set_irq(s->parent[irq], level);
63 static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
65 vpb_sic_state *s = (vpb_sic_state *)opaque;
67 switch (offset >> 2) {
69 return s->level & s->mask;
76 case 8: /* PICENABLE */
79 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
84 static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
87 vpb_sic_state *s = (vpb_sic_state *)opaque;
89 switch (offset >> 2) {
96 case 4: /* SOFTINTSET */
100 case 5: /* SOFTINTCLR */
104 case 8: /* PICENSET */
105 s->pic_enable |= (value & 0x7fe00000);
106 vpb_sic_update_pic(s);
108 case 9: /* PICENCLR */
109 s->pic_enable &= ~value;
110 vpb_sic_update_pic(s);
113 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
119 static CPUReadMemoryFunc *vpb_sic_readfn[] = {
125 static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
131 static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq)
137 s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
138 qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
141 iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
143 cpu_register_physical_memory(base, 0x00001000, iomemtype);
144 /* ??? Save/restore. */
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. */
154 static struct arm_boot_info versatile_binfo;
156 static void versatile_init(ram_addr_t ram_size,
157 const char *boot_device,
158 const char *kernel_filename, const char *kernel_cmdline,
159 const char *initrd_filename, const char *cpu_model,
163 ram_addr_t ram_offset;
172 cpu_model = "arm926";
173 env = cpu_init(cpu_model);
175 fprintf(stderr, "Unable to find CPU definition\n");
178 ram_offset = qemu_ram_alloc(ram_size);
179 /* ??? RAM should repeat to fill physical memory space. */
180 /* SDRAM at address zero. */
181 cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
183 arm_sysctl_init(0x10000000, 0x41007004);
184 pic = arm_pic_init_cpu(env);
185 pic = pl190_init(0x10140000, pic[0], pic[1]);
186 sic = vpb_sic_init(0x10003000, pic, 31);
188 sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
189 sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
191 pci_bus = pci_vpb_init(sic, 27, 0);
192 /* The Versatile PCI bridge does not provide access to PCI IO space,
193 so many of the qemu PCI devices are not useable. */
194 for(n = 0; n < nb_nics; n++) {
197 if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
198 smc91c111_init(nd, 0x10010000, sic[25]);
201 pci_nic_init(pci_bus, nd, -1, "rtl8139");
205 usb_ohci_init_pci(pci_bus, 3, -1);
207 n = drive_get_max_bus(IF_SCSI);
209 pci_create_simple(pci_bus, -1, "lsi53c895a");
213 sysbus_create_simple("pl011", 0x101f1000, pic[12]);
214 sysbus_create_simple("pl011", 0x101f2000, pic[13]);
215 sysbus_create_simple("pl011", 0x101f3000, pic[14]);
216 sysbus_create_simple("pl011", 0x10009000, sic[6]);
218 pl080_init(0x10130000, pic[17], 8);
219 sp804_init(0x101e2000, pic[4]);
220 sp804_init(0x101e3000, pic[5]);
222 /* The versatile/PB actually has a modified Color LCD controller
223 that includes hardware cursor support from the PL111. */
224 sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
226 sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
227 sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
229 /* Add PL031 Real Time Clock. */
230 sysbus_create_simple("pl031", 0x101e8000, pic[10]);
232 /* Memory map for Versatile/PB: */
233 /* 0x10000000 System registers. */
234 /* 0x10001000 PCI controller config registers. */
235 /* 0x10002000 Serial bus interface. */
236 /* 0x10003000 Secondary interrupt controller. */
237 /* 0x10004000 AACI (audio). */
238 /* 0x10005000 MMCI0. */
239 /* 0x10006000 KMI0 (keyboard). */
240 /* 0x10007000 KMI1 (mouse). */
241 /* 0x10008000 Character LCD Interface. */
242 /* 0x10009000 UART3. */
243 /* 0x1000a000 Smart card 1. */
244 /* 0x1000b000 MMCI1. */
245 /* 0x10010000 Ethernet. */
246 /* 0x10020000 USB. */
247 /* 0x10100000 SSMC. */
248 /* 0x10110000 MPMC. */
249 /* 0x10120000 CLCD Controller. */
250 /* 0x10130000 DMA Controller. */
251 /* 0x10140000 Vectored interrupt controller. */
252 /* 0x101d0000 AHB Monitor Interface. */
253 /* 0x101e0000 System Controller. */
254 /* 0x101e1000 Watchdog Interface. */
255 /* 0x101e2000 Timer 0/1. */
256 /* 0x101e3000 Timer 2/3. */
257 /* 0x101e4000 GPIO port 0. */
258 /* 0x101e5000 GPIO port 1. */
259 /* 0x101e6000 GPIO port 2. */
260 /* 0x101e7000 GPIO port 3. */
261 /* 0x101e8000 RTC. */
262 /* 0x101f0000 Smart card 0. */
263 /* 0x101f1000 UART0. */
264 /* 0x101f2000 UART1. */
265 /* 0x101f3000 UART2. */
266 /* 0x101f4000 SSPI. */
268 versatile_binfo.ram_size = ram_size;
269 versatile_binfo.kernel_filename = kernel_filename;
270 versatile_binfo.kernel_cmdline = kernel_cmdline;
271 versatile_binfo.initrd_filename = initrd_filename;
272 versatile_binfo.board_id = board_id;
273 arm_load_kernel(env, &versatile_binfo);
276 static void vpb_init(ram_addr_t ram_size,
277 const char *boot_device,
278 const char *kernel_filename, const char *kernel_cmdline,
279 const char *initrd_filename, const char *cpu_model)
281 versatile_init(ram_size,
283 kernel_filename, kernel_cmdline,
284 initrd_filename, cpu_model, 0x183);
287 static void vab_init(ram_addr_t ram_size,
288 const char *boot_device,
289 const char *kernel_filename, const char *kernel_cmdline,
290 const char *initrd_filename, const char *cpu_model)
292 versatile_init(ram_size,
294 kernel_filename, kernel_cmdline,
295 initrd_filename, cpu_model, 0x25e);
298 QEMUMachine versatilepb_machine = {
299 .name = "versatilepb",
300 .desc = "ARM Versatile/PB (ARM926EJ-S)",
305 QEMUMachine versatileab_machine = {
306 .name = "versatileab",
307 .desc = "ARM Versatile/AB (ARM926EJ-S)",