2 * ARM Versatile Platform/Application Baseboard System emulation.
4 * Copyright (c) 2005-2006 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licenced under the GPL.
13 /* Primary interrupt controller. */
15 typedef struct vpb_sic_state
17 arm_pic_handler handler;
26 static void vpb_sic_update(vpb_sic_state *s)
30 flags = s->level & s->mask;
31 pic_set_irq_new(s->parent, s->irq, flags != 0);
34 static void vpb_sic_update_pic(vpb_sic_state *s)
39 for (i = 21; i <= 30; i++) {
41 if (!(s->pic_enable & mask))
43 pic_set_irq_new(s->parent, i, (s->level & mask) != 0);
47 static void vpb_sic_set_irq(void *opaque, int irq, int level)
49 vpb_sic_state *s = (vpb_sic_state *)opaque;
51 s->level |= 1u << irq;
53 s->level &= ~(1u << irq);
54 if (s->pic_enable & (1u << irq))
55 pic_set_irq_new(s->parent, irq, level);
59 static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
61 vpb_sic_state *s = (vpb_sic_state *)opaque;
64 switch (offset >> 2) {
66 return s->level & s->mask;
73 case 8: /* PICENABLE */
76 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
81 static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
84 vpb_sic_state *s = (vpb_sic_state *)opaque;
87 switch (offset >> 2) {
94 case 4: /* SOFTINTSET */
98 case 5: /* SOFTINTCLR */
102 case 8: /* PICENSET */
103 s->pic_enable |= (value & 0x7fe00000);
104 vpb_sic_update_pic(s);
106 case 9: /* PICENCLR */
107 s->pic_enable &= ~value;
108 vpb_sic_update_pic(s);
111 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
117 static CPUReadMemoryFunc *vpb_sic_readfn[] = {
123 static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
129 static vpb_sic_state *vpb_sic_init(uint32_t base, void *parent, int irq)
134 s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
137 s->handler = vpb_sic_set_irq;
141 iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
143 cpu_register_physical_memory(base, 0x00000fff, 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 void versatile_init(int ram_size, int vga_ram_size, int boot_device,
155 DisplayState *ds, const char **fd_filename, int snapshot,
156 const char *kernel_filename, const char *kernel_cmdline,
157 const char *initrd_filename, int board_id)
169 cpu_arm_set_model(env, ARM_CPUID_ARM926);
170 /* ??? RAM shoud repeat to fill physical memory space. */
171 /* SDRAM at address zero. */
172 cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
174 arm_sysctl_init(0x10000000, 0x41007004);
175 pic = arm_pic_init_cpu(env);
176 pic = pl190_init(0x10140000, pic, ARM_PIC_CPU_IRQ, ARM_PIC_CPU_FIQ);
177 sic = vpb_sic_init(0x10003000, pic, 31);
178 pl050_init(0x10006000, sic, 3, 0);
179 pl050_init(0x10007000, sic, 4, 1);
181 pci_bus = pci_vpb_init(sic, 27, 0);
182 /* The Versatile PCI bridge does not provide access to PCI IO space,
183 so many of the qemu PCI devices are not useable. */
184 for(n = 0; n < nb_nics; n++) {
187 nd->model = done_smc ? "rtl8139" : "smc91c111";
188 if (strcmp(nd->model, "smc91c111") == 0) {
189 smc91c111_init(nd, 0x10010000, sic, 25);
191 pci_nic_init(pci_bus, nd, -1);
195 usb_ohci_init(pci_bus, 3, -1);
197 scsi_hba = lsi_scsi_init(pci_bus, -1);
198 for (n = 0; n < MAX_DISKS; n++) {
200 lsi_scsi_attach(scsi_hba, bs_table[n], n);
204 pl011_init(0x101f1000, pic, 12, serial_hds[0]);
205 pl011_init(0x101f2000, pic, 13, serial_hds[1]);
206 pl011_init(0x101f3000, pic, 14, serial_hds[2]);
207 pl011_init(0x10009000, sic, 6, serial_hds[3]);
209 pl080_init(0x10130000, pic, 17, 8);
210 sp804_init(0x101e2000, pic, 4);
211 sp804_init(0x101e3000, pic, 5);
213 /* The versatile/PB actually has a modified Color LCD controller
214 that includes hardware cursor support from the PL111. */
215 pl110_init(ds, 0x10120000, pic, 16, 1);
217 /* Memory map for Versatile/PB: */
218 /* 0x10000000 System registers. */
219 /* 0x10001000 PCI controller config registers. */
220 /* 0x10002000 Serial bus interface. */
221 /* 0x10003000 Secondary interrupt controller. */
222 /* 0x10004000 AACI (audio). */
223 /* 0x10005000 MMCI0. */
224 /* 0x10006000 KMI0 (keyboard). */
225 /* 0x10007000 KMI1 (mouse). */
226 /* 0x10008000 Character LCD Interface. */
227 /* 0x10009000 UART3. */
228 /* 0x1000a000 Smart card 1. */
229 /* 0x1000b000 MMCI1. */
230 /* 0x10010000 Ethernet. */
231 /* 0x10020000 USB. */
232 /* 0x10100000 SSMC. */
233 /* 0x10110000 MPMC. */
234 /* 0x10120000 CLCD Controller. */
235 /* 0x10130000 DMA Controller. */
236 /* 0x10140000 Vectored interrupt controller. */
237 /* 0x101d0000 AHB Monitor Interface. */
238 /* 0x101e0000 System Controller. */
239 /* 0x101e1000 Watchdog Interface. */
240 /* 0x101e2000 Timer 0/1. */
241 /* 0x101e3000 Timer 2/3. */
242 /* 0x101e4000 GPIO port 0. */
243 /* 0x101e5000 GPIO port 1. */
244 /* 0x101e6000 GPIO port 2. */
245 /* 0x101e7000 GPIO port 3. */
246 /* 0x101e8000 RTC. */
247 /* 0x101f0000 Smart card 0. */
248 /* 0x101f1000 UART0. */
249 /* 0x101f2000 UART1. */
250 /* 0x101f3000 UART2. */
251 /* 0x101f4000 SSPI. */
253 arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
254 initrd_filename, board_id);
257 static void vpb_init(int ram_size, int vga_ram_size, int boot_device,
258 DisplayState *ds, const char **fd_filename, int snapshot,
259 const char *kernel_filename, const char *kernel_cmdline,
260 const char *initrd_filename, const char *cpu_model)
262 versatile_init(ram_size, vga_ram_size, boot_device,
263 ds, fd_filename, snapshot,
264 kernel_filename, kernel_cmdline,
265 initrd_filename, 0x183);
268 static void vab_init(int ram_size, int vga_ram_size, int boot_device,
269 DisplayState *ds, const char **fd_filename, int snapshot,
270 const char *kernel_filename, const char *kernel_cmdline,
271 const char *initrd_filename, const char *cpu_model)
273 versatile_init(ram_size, vga_ram_size, boot_device,
274 ds, fd_filename, snapshot,
275 kernel_filename, kernel_cmdline,
276 initrd_filename, 0x25e);
279 QEMUMachine versatilepb_machine = {
281 "ARM Versatile/PB (ARM926EJ-S)",
285 QEMUMachine versatileab_machine = {
287 "ARM Versatile/AB (ARM926EJ-S)",