ARMv7 support.
[qemu/mini2440.git] / hw / versatilepb.c
blob4e8e76e26e13576db9169c7ce8cb57c9356e644a
1 /*
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.
8 */
10 #include "vl.h"
11 #include "arm_pic.h"
13 /* Primary interrupt controller. */
15 typedef struct vpb_sic_state
17 uint32_t base;
18 uint32_t level;
19 uint32_t mask;
20 uint32_t pic_enable;
21 qemu_irq *parent;
22 int irq;
23 } vpb_sic_state;
25 static void vpb_sic_update(vpb_sic_state *s)
27 uint32_t flags;
29 flags = s->level & s->mask;
30 qemu_set_irq(s->parent[s->irq], flags != 0);
33 static void vpb_sic_update_pic(vpb_sic_state *s)
35 int i;
36 uint32_t mask;
38 for (i = 21; i <= 30; i++) {
39 mask = 1u << i;
40 if (!(s->pic_enable & mask))
41 continue;
42 qemu_set_irq(s->parent[i], (s->level & mask) != 0);
46 static void vpb_sic_set_irq(void *opaque, int irq, int level)
48 vpb_sic_state *s = (vpb_sic_state *)opaque;
49 if (level)
50 s->level |= 1u << irq;
51 else
52 s->level &= ~(1u << irq);
53 if (s->pic_enable & (1u << irq))
54 qemu_set_irq(s->parent[irq], level);
55 vpb_sic_update(s);
58 static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
60 vpb_sic_state *s = (vpb_sic_state *)opaque;
62 offset -= s->base;
63 switch (offset >> 2) {
64 case 0: /* STATUS */
65 return s->level & s->mask;
66 case 1: /* RAWSTAT */
67 return s->level;
68 case 2: /* ENABLE */
69 return s->mask;
70 case 4: /* SOFTINT */
71 return s->level & 1;
72 case 8: /* PICENABLE */
73 return s->pic_enable;
74 default:
75 printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
76 return 0;
80 static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
81 uint32_t value)
83 vpb_sic_state *s = (vpb_sic_state *)opaque;
84 offset -= s->base;
86 switch (offset >> 2) {
87 case 2: /* ENSET */
88 s->mask |= value;
89 break;
90 case 3: /* ENCLR */
91 s->mask &= ~value;
92 break;
93 case 4: /* SOFTINTSET */
94 if (value)
95 s->mask |= 1;
96 break;
97 case 5: /* SOFTINTCLR */
98 if (value)
99 s->mask &= ~1u;
100 break;
101 case 8: /* PICENSET */
102 s->pic_enable |= (value & 0x7fe00000);
103 vpb_sic_update_pic(s);
104 break;
105 case 9: /* PICENCLR */
106 s->pic_enable &= ~value;
107 vpb_sic_update_pic(s);
108 break;
109 default:
110 printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
111 return;
113 vpb_sic_update(s);
116 static CPUReadMemoryFunc *vpb_sic_readfn[] = {
117 vpb_sic_read,
118 vpb_sic_read,
119 vpb_sic_read
122 static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
123 vpb_sic_write,
124 vpb_sic_write,
125 vpb_sic_write
128 static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq)
130 vpb_sic_state *s;
131 qemu_irq *qi;
132 int iomemtype;
134 s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
135 if (!s)
136 return NULL;
137 qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
138 s->base = base;
139 s->parent = parent;
140 s->irq = irq;
141 iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
142 vpb_sic_writefn, s);
143 cpu_register_physical_memory(base, 0x00001000, iomemtype);
144 /* ??? Save/restore. */
145 return qi;
148 /* Board init. */
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,
155 const char *boot_device, DisplayState *ds,
156 const char **fd_filename, int snapshot,
157 const char *kernel_filename, const char *kernel_cmdline,
158 const char *initrd_filename, const char *cpu_model,
159 int board_id)
161 CPUState *env;
162 qemu_irq *pic;
163 qemu_irq *sic;
164 void *scsi_hba;
165 PCIBus *pci_bus;
166 NICInfo *nd;
167 int n;
168 int done_smc = 0;
170 if (!cpu_model)
171 cpu_model = "arm926";
172 env = cpu_init(cpu_model);
173 if (!env) {
174 fprintf(stderr, "Unable to find CPU definition\n");
175 exit(1);
177 /* ??? RAM shoud repeat to fill physical memory space. */
178 /* SDRAM at address zero. */
179 cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
181 arm_sysctl_init(0x10000000, 0x41007004);
182 pic = arm_pic_init_cpu(env);
183 pic = pl190_init(0x10140000, pic[0], pic[1]);
184 sic = vpb_sic_init(0x10003000, pic, 31);
185 pl050_init(0x10006000, sic[3], 0);
186 pl050_init(0x10007000, sic[4], 1);
188 pci_bus = pci_vpb_init(sic, 27, 0);
189 /* The Versatile PCI bridge does not provide access to PCI IO space,
190 so many of the qemu PCI devices are not useable. */
191 for(n = 0; n < nb_nics; n++) {
192 nd = &nd_table[n];
193 if (!nd->model)
194 nd->model = done_smc ? "rtl8139" : "smc91c111";
195 if (strcmp(nd->model, "smc91c111") == 0) {
196 smc91c111_init(nd, 0x10010000, sic[25]);
197 } else {
198 pci_nic_init(pci_bus, nd, -1);
201 if (usb_enabled) {
202 usb_ohci_init_pci(pci_bus, 3, -1);
204 scsi_hba = lsi_scsi_init(pci_bus, -1);
205 for (n = 0; n < MAX_DISKS; n++) {
206 if (bs_table[n]) {
207 lsi_scsi_attach(scsi_hba, bs_table[n], n);
211 pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM);
212 pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM);
213 pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM);
214 pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM);
216 pl080_init(0x10130000, pic[17], 8);
217 sp804_init(0x101e2000, pic[4]);
218 sp804_init(0x101e3000, pic[5]);
220 /* The versatile/PB actually has a modified Color LCD controller
221 that includes hardware cursor support from the PL111. */
222 pl110_init(ds, 0x10120000, pic[16], 1);
224 pl181_init(0x10005000, sd_bdrv, sic[22], sic[1]);
225 #if 0
226 /* Disabled because there's no way of specifying a block device. */
227 pl181_init(0x1000b000, NULL, sic, 23, 2);
228 #endif
230 /* Add PL031 Real Time Clock. */
231 pl031_init(0x101e8000,pic[10]);
233 /* Memory map for Versatile/PB: */
234 /* 0x10000000 System registers. */
235 /* 0x10001000 PCI controller config registers. */
236 /* 0x10002000 Serial bus interface. */
237 /* 0x10003000 Secondary interrupt controller. */
238 /* 0x10004000 AACI (audio). */
239 /* 0x10005000 MMCI0. */
240 /* 0x10006000 KMI0 (keyboard). */
241 /* 0x10007000 KMI1 (mouse). */
242 /* 0x10008000 Character LCD Interface. */
243 /* 0x10009000 UART3. */
244 /* 0x1000a000 Smart card 1. */
245 /* 0x1000b000 MMCI1. */
246 /* 0x10010000 Ethernet. */
247 /* 0x10020000 USB. */
248 /* 0x10100000 SSMC. */
249 /* 0x10110000 MPMC. */
250 /* 0x10120000 CLCD Controller. */
251 /* 0x10130000 DMA Controller. */
252 /* 0x10140000 Vectored interrupt controller. */
253 /* 0x101d0000 AHB Monitor Interface. */
254 /* 0x101e0000 System Controller. */
255 /* 0x101e1000 Watchdog Interface. */
256 /* 0x101e2000 Timer 0/1. */
257 /* 0x101e3000 Timer 2/3. */
258 /* 0x101e4000 GPIO port 0. */
259 /* 0x101e5000 GPIO port 1. */
260 /* 0x101e6000 GPIO port 2. */
261 /* 0x101e7000 GPIO port 3. */
262 /* 0x101e8000 RTC. */
263 /* 0x101f0000 Smart card 0. */
264 /* 0x101f1000 UART0. */
265 /* 0x101f2000 UART1. */
266 /* 0x101f3000 UART2. */
267 /* 0x101f4000 SSPI. */
269 arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
270 initrd_filename, board_id, 0x0);
273 static void vpb_init(int ram_size, int vga_ram_size, const char *boot_device,
274 DisplayState *ds, const char **fd_filename, int snapshot,
275 const char *kernel_filename, const char *kernel_cmdline,
276 const char *initrd_filename, const char *cpu_model)
278 versatile_init(ram_size, vga_ram_size, boot_device,
279 ds, fd_filename, snapshot,
280 kernel_filename, kernel_cmdline,
281 initrd_filename, cpu_model, 0x183);
284 static void vab_init(int ram_size, int vga_ram_size, const char *boot_device,
285 DisplayState *ds, const char **fd_filename, int snapshot,
286 const char *kernel_filename, const char *kernel_cmdline,
287 const char *initrd_filename, const char *cpu_model)
289 versatile_init(ram_size, vga_ram_size, boot_device,
290 ds, fd_filename, snapshot,
291 kernel_filename, kernel_cmdline,
292 initrd_filename, cpu_model, 0x25e);
295 QEMUMachine versatilepb_machine = {
296 "versatilepb",
297 "ARM Versatile/PB (ARM926EJ-S)",
298 vpb_init,
301 QEMUMachine versatileab_machine = {
302 "versatileab",
303 "ARM Versatile/AB (ARM926EJ-S)",
304 vab_init,