root / hw / integratorcp.c @ 7fc2f2c0
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1 | 5fafdf24 | ths | /*
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2 | b5ff1b31 | bellard | * ARM Integrator CP System emulation.
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3 | b5ff1b31 | bellard | *
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4 | a1bb27b1 | pbrook | * Copyright (c) 2005-2007 CodeSourcery.
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5 | b5ff1b31 | bellard | * Written by Paul Brook
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6 | b5ff1b31 | bellard | *
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7 | b5ff1b31 | bellard | * This code is licenced under the GPL
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8 | b5ff1b31 | bellard | */
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9 | b5ff1b31 | bellard | |
10 | 2e9bdce5 | Paul Brook | #include "sysbus.h" |
11 | 87ecb68b | pbrook | #include "primecell.h" |
12 | 87ecb68b | pbrook | #include "devices.h" |
13 | 87ecb68b | pbrook | #include "sysemu.h" |
14 | 87ecb68b | pbrook | #include "boards.h" |
15 | 87ecb68b | pbrook | #include "arm-misc.h" |
16 | 87ecb68b | pbrook | #include "net.h" |
17 | b5ff1b31 | bellard | |
18 | b5ff1b31 | bellard | typedef struct { |
19 | a7086888 | Paul Brook | SysBusDevice busdev; |
20 | ee6847d1 | Gerd Hoffmann | uint32_t memsz; |
21 | b5ff1b31 | bellard | uint32_t flash_offset; |
22 | b5ff1b31 | bellard | uint32_t cm_osc; |
23 | b5ff1b31 | bellard | uint32_t cm_ctrl; |
24 | b5ff1b31 | bellard | uint32_t cm_lock; |
25 | b5ff1b31 | bellard | uint32_t cm_auxosc; |
26 | b5ff1b31 | bellard | uint32_t cm_sdram; |
27 | b5ff1b31 | bellard | uint32_t cm_init; |
28 | b5ff1b31 | bellard | uint32_t cm_flags; |
29 | b5ff1b31 | bellard | uint32_t cm_nvflags; |
30 | b5ff1b31 | bellard | uint32_t int_level; |
31 | b5ff1b31 | bellard | uint32_t irq_enabled; |
32 | b5ff1b31 | bellard | uint32_t fiq_enabled; |
33 | b5ff1b31 | bellard | } integratorcm_state; |
34 | b5ff1b31 | bellard | |
35 | b5ff1b31 | bellard | static uint8_t integrator_spd[128] = { |
36 | b5ff1b31 | bellard | 128, 8, 4, 11, 9, 1, 64, 0, 2, 0xa0, 0xa0, 0, 0, 8, 0, 1, |
37 | b5ff1b31 | bellard | 0xe, 4, 0x1c, 1, 2, 0x20, 0xc0, 0, 0, 0, 0, 0x30, 0x28, 0x30, 0x28, 0x40 |
38 | b5ff1b31 | bellard | }; |
39 | b5ff1b31 | bellard | |
40 | b5ff1b31 | bellard | static uint32_t integratorcm_read(void *opaque, target_phys_addr_t offset) |
41 | b5ff1b31 | bellard | { |
42 | b5ff1b31 | bellard | integratorcm_state *s = (integratorcm_state *)opaque; |
43 | b5ff1b31 | bellard | if (offset >= 0x100 && offset < 0x200) { |
44 | b5ff1b31 | bellard | /* CM_SPD */
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45 | b5ff1b31 | bellard | if (offset >= 0x180) |
46 | b5ff1b31 | bellard | return 0; |
47 | b5ff1b31 | bellard | return integrator_spd[offset >> 2]; |
48 | b5ff1b31 | bellard | } |
49 | b5ff1b31 | bellard | switch (offset >> 2) { |
50 | b5ff1b31 | bellard | case 0: /* CM_ID */ |
51 | b5ff1b31 | bellard | return 0x411a3001; |
52 | b5ff1b31 | bellard | case 1: /* CM_PROC */ |
53 | b5ff1b31 | bellard | return 0; |
54 | b5ff1b31 | bellard | case 2: /* CM_OSC */ |
55 | b5ff1b31 | bellard | return s->cm_osc;
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56 | b5ff1b31 | bellard | case 3: /* CM_CTRL */ |
57 | b5ff1b31 | bellard | return s->cm_ctrl;
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58 | b5ff1b31 | bellard | case 4: /* CM_STAT */ |
59 | b5ff1b31 | bellard | return 0x00100000; |
60 | b5ff1b31 | bellard | case 5: /* CM_LOCK */ |
61 | b5ff1b31 | bellard | if (s->cm_lock == 0xa05f) { |
62 | b5ff1b31 | bellard | return 0x1a05f; |
63 | b5ff1b31 | bellard | } else {
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64 | b5ff1b31 | bellard | return s->cm_lock;
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65 | b5ff1b31 | bellard | } |
66 | b5ff1b31 | bellard | case 6: /* CM_LMBUSCNT */ |
67 | b5ff1b31 | bellard | /* ??? High frequency timer. */
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68 | 2ac71179 | Paul Brook | hw_error("integratorcm_read: CM_LMBUSCNT");
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69 | b5ff1b31 | bellard | case 7: /* CM_AUXOSC */ |
70 | b5ff1b31 | bellard | return s->cm_auxosc;
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71 | b5ff1b31 | bellard | case 8: /* CM_SDRAM */ |
72 | b5ff1b31 | bellard | return s->cm_sdram;
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73 | b5ff1b31 | bellard | case 9: /* CM_INIT */ |
74 | b5ff1b31 | bellard | return s->cm_init;
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75 | b5ff1b31 | bellard | case 10: /* CM_REFCT */ |
76 | b5ff1b31 | bellard | /* ??? High frequency timer. */
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77 | 2ac71179 | Paul Brook | hw_error("integratorcm_read: CM_REFCT");
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78 | b5ff1b31 | bellard | case 12: /* CM_FLAGS */ |
79 | b5ff1b31 | bellard | return s->cm_flags;
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80 | b5ff1b31 | bellard | case 14: /* CM_NVFLAGS */ |
81 | b5ff1b31 | bellard | return s->cm_nvflags;
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82 | b5ff1b31 | bellard | case 16: /* CM_IRQ_STAT */ |
83 | b5ff1b31 | bellard | return s->int_level & s->irq_enabled;
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84 | b5ff1b31 | bellard | case 17: /* CM_IRQ_RSTAT */ |
85 | b5ff1b31 | bellard | return s->int_level;
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86 | b5ff1b31 | bellard | case 18: /* CM_IRQ_ENSET */ |
87 | b5ff1b31 | bellard | return s->irq_enabled;
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88 | b5ff1b31 | bellard | case 20: /* CM_SOFT_INTSET */ |
89 | b5ff1b31 | bellard | return s->int_level & 1; |
90 | b5ff1b31 | bellard | case 24: /* CM_FIQ_STAT */ |
91 | b5ff1b31 | bellard | return s->int_level & s->fiq_enabled;
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92 | b5ff1b31 | bellard | case 25: /* CM_FIQ_RSTAT */ |
93 | b5ff1b31 | bellard | return s->int_level;
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94 | b5ff1b31 | bellard | case 26: /* CM_FIQ_ENSET */ |
95 | b5ff1b31 | bellard | return s->fiq_enabled;
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96 | b5ff1b31 | bellard | case 32: /* CM_VOLTAGE_CTL0 */ |
97 | b5ff1b31 | bellard | case 33: /* CM_VOLTAGE_CTL1 */ |
98 | b5ff1b31 | bellard | case 34: /* CM_VOLTAGE_CTL2 */ |
99 | b5ff1b31 | bellard | case 35: /* CM_VOLTAGE_CTL3 */ |
100 | b5ff1b31 | bellard | /* ??? Voltage control unimplemented. */
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101 | b5ff1b31 | bellard | return 0; |
102 | b5ff1b31 | bellard | default:
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103 | 2ac71179 | Paul Brook | hw_error("integratorcm_read: Unimplemented offset 0x%x\n",
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104 | 2ac71179 | Paul Brook | (int)offset);
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105 | b5ff1b31 | bellard | return 0; |
106 | b5ff1b31 | bellard | } |
107 | b5ff1b31 | bellard | } |
108 | b5ff1b31 | bellard | |
109 | b5ff1b31 | bellard | static void integratorcm_do_remap(integratorcm_state *s, int flash) |
110 | b5ff1b31 | bellard | { |
111 | b5ff1b31 | bellard | if (flash) {
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112 | b5ff1b31 | bellard | cpu_register_physical_memory(0, 0x100000, IO_MEM_RAM); |
113 | b5ff1b31 | bellard | } else {
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114 | b5ff1b31 | bellard | cpu_register_physical_memory(0, 0x100000, s->flash_offset | IO_MEM_RAM); |
115 | b5ff1b31 | bellard | } |
116 | b5ff1b31 | bellard | //??? tlb_flush (cpu_single_env, 1);
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117 | b5ff1b31 | bellard | } |
118 | b5ff1b31 | bellard | |
119 | b5ff1b31 | bellard | static void integratorcm_set_ctrl(integratorcm_state *s, uint32_t value) |
120 | b5ff1b31 | bellard | { |
121 | b5ff1b31 | bellard | if (value & 8) { |
122 | 2ac71179 | Paul Brook | hw_error("Board reset\n");
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123 | b5ff1b31 | bellard | } |
124 | b5ff1b31 | bellard | if ((s->cm_init ^ value) & 4) { |
125 | b5ff1b31 | bellard | integratorcm_do_remap(s, (value & 4) == 0); |
126 | b5ff1b31 | bellard | } |
127 | b5ff1b31 | bellard | if ((s->cm_init ^ value) & 1) { |
128 | b5ff1b31 | bellard | printf("Green LED %s\n", (value & 1) ? "on" : "off"); |
129 | b5ff1b31 | bellard | } |
130 | b5ff1b31 | bellard | s->cm_init = (s->cm_init & ~ 5) | (value ^ 5); |
131 | b5ff1b31 | bellard | } |
132 | b5ff1b31 | bellard | |
133 | b5ff1b31 | bellard | static void integratorcm_update(integratorcm_state *s) |
134 | b5ff1b31 | bellard | { |
135 | b5ff1b31 | bellard | /* ??? The CPU irq/fiq is raised when either the core module or base PIC
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136 | b5ff1b31 | bellard | are active. */
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137 | b5ff1b31 | bellard | if (s->int_level & (s->irq_enabled | s->fiq_enabled))
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138 | 2ac71179 | Paul Brook | hw_error("Core module interrupt\n");
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139 | b5ff1b31 | bellard | } |
140 | b5ff1b31 | bellard | |
141 | b5ff1b31 | bellard | static void integratorcm_write(void *opaque, target_phys_addr_t offset, |
142 | b5ff1b31 | bellard | uint32_t value) |
143 | b5ff1b31 | bellard | { |
144 | b5ff1b31 | bellard | integratorcm_state *s = (integratorcm_state *)opaque; |
145 | b5ff1b31 | bellard | switch (offset >> 2) { |
146 | b5ff1b31 | bellard | case 2: /* CM_OSC */ |
147 | b5ff1b31 | bellard | if (s->cm_lock == 0xa05f) |
148 | b5ff1b31 | bellard | s->cm_osc = value; |
149 | b5ff1b31 | bellard | break;
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150 | b5ff1b31 | bellard | case 3: /* CM_CTRL */ |
151 | b5ff1b31 | bellard | integratorcm_set_ctrl(s, value); |
152 | b5ff1b31 | bellard | break;
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153 | b5ff1b31 | bellard | case 5: /* CM_LOCK */ |
154 | b5ff1b31 | bellard | s->cm_lock = value & 0xffff;
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155 | b5ff1b31 | bellard | break;
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156 | b5ff1b31 | bellard | case 7: /* CM_AUXOSC */ |
157 | b5ff1b31 | bellard | if (s->cm_lock == 0xa05f) |
158 | b5ff1b31 | bellard | s->cm_auxosc = value; |
159 | b5ff1b31 | bellard | break;
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160 | b5ff1b31 | bellard | case 8: /* CM_SDRAM */ |
161 | b5ff1b31 | bellard | s->cm_sdram = value; |
162 | b5ff1b31 | bellard | break;
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163 | b5ff1b31 | bellard | case 9: /* CM_INIT */ |
164 | b5ff1b31 | bellard | /* ??? This can change the memory bus frequency. */
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165 | b5ff1b31 | bellard | s->cm_init = value; |
166 | b5ff1b31 | bellard | break;
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167 | b5ff1b31 | bellard | case 12: /* CM_FLAGSS */ |
168 | b5ff1b31 | bellard | s->cm_flags |= value; |
169 | b5ff1b31 | bellard | break;
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170 | b5ff1b31 | bellard | case 13: /* CM_FLAGSC */ |
171 | b5ff1b31 | bellard | s->cm_flags &= ~value; |
172 | b5ff1b31 | bellard | break;
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173 | b5ff1b31 | bellard | case 14: /* CM_NVFLAGSS */ |
174 | b5ff1b31 | bellard | s->cm_nvflags |= value; |
175 | b5ff1b31 | bellard | break;
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176 | b5ff1b31 | bellard | case 15: /* CM_NVFLAGSS */ |
177 | b5ff1b31 | bellard | s->cm_nvflags &= ~value; |
178 | b5ff1b31 | bellard | break;
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179 | b5ff1b31 | bellard | case 18: /* CM_IRQ_ENSET */ |
180 | b5ff1b31 | bellard | s->irq_enabled |= value; |
181 | b5ff1b31 | bellard | integratorcm_update(s); |
182 | b5ff1b31 | bellard | break;
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183 | b5ff1b31 | bellard | case 19: /* CM_IRQ_ENCLR */ |
184 | b5ff1b31 | bellard | s->irq_enabled &= ~value; |
185 | b5ff1b31 | bellard | integratorcm_update(s); |
186 | b5ff1b31 | bellard | break;
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187 | b5ff1b31 | bellard | case 20: /* CM_SOFT_INTSET */ |
188 | b5ff1b31 | bellard | s->int_level |= (value & 1);
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189 | b5ff1b31 | bellard | integratorcm_update(s); |
190 | b5ff1b31 | bellard | break;
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191 | b5ff1b31 | bellard | case 21: /* CM_SOFT_INTCLR */ |
192 | b5ff1b31 | bellard | s->int_level &= ~(value & 1);
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193 | b5ff1b31 | bellard | integratorcm_update(s); |
194 | b5ff1b31 | bellard | break;
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195 | b5ff1b31 | bellard | case 26: /* CM_FIQ_ENSET */ |
196 | b5ff1b31 | bellard | s->fiq_enabled |= value; |
197 | b5ff1b31 | bellard | integratorcm_update(s); |
198 | b5ff1b31 | bellard | break;
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199 | b5ff1b31 | bellard | case 27: /* CM_FIQ_ENCLR */ |
200 | b5ff1b31 | bellard | s->fiq_enabled &= ~value; |
201 | b5ff1b31 | bellard | integratorcm_update(s); |
202 | b5ff1b31 | bellard | break;
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203 | b5ff1b31 | bellard | case 32: /* CM_VOLTAGE_CTL0 */ |
204 | b5ff1b31 | bellard | case 33: /* CM_VOLTAGE_CTL1 */ |
205 | b5ff1b31 | bellard | case 34: /* CM_VOLTAGE_CTL2 */ |
206 | b5ff1b31 | bellard | case 35: /* CM_VOLTAGE_CTL3 */ |
207 | b5ff1b31 | bellard | /* ??? Voltage control unimplemented. */
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208 | b5ff1b31 | bellard | break;
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209 | b5ff1b31 | bellard | default:
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210 | 2ac71179 | Paul Brook | hw_error("integratorcm_write: Unimplemented offset 0x%x\n",
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211 | 2ac71179 | Paul Brook | (int)offset);
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212 | b5ff1b31 | bellard | break;
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213 | b5ff1b31 | bellard | } |
214 | b5ff1b31 | bellard | } |
215 | b5ff1b31 | bellard | |
216 | b5ff1b31 | bellard | /* Integrator/CM control registers. */
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217 | b5ff1b31 | bellard | |
218 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const integratorcm_readfn[] = { |
219 | b5ff1b31 | bellard | integratorcm_read, |
220 | b5ff1b31 | bellard | integratorcm_read, |
221 | b5ff1b31 | bellard | integratorcm_read |
222 | b5ff1b31 | bellard | }; |
223 | b5ff1b31 | bellard | |
224 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const integratorcm_writefn[] = { |
225 | b5ff1b31 | bellard | integratorcm_write, |
226 | b5ff1b31 | bellard | integratorcm_write, |
227 | b5ff1b31 | bellard | integratorcm_write |
228 | b5ff1b31 | bellard | }; |
229 | b5ff1b31 | bellard | |
230 | 81a322d4 | Gerd Hoffmann | static int integratorcm_init(SysBusDevice *dev) |
231 | b5ff1b31 | bellard | { |
232 | b5ff1b31 | bellard | int iomemtype;
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233 | a7086888 | Paul Brook | integratorcm_state *s = FROM_SYSBUS(integratorcm_state, dev); |
234 | b5ff1b31 | bellard | |
235 | b5ff1b31 | bellard | s->cm_osc = 0x01000048;
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236 | b5ff1b31 | bellard | /* ??? What should the high bits of this value be? */
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237 | b5ff1b31 | bellard | s->cm_auxosc = 0x0007feff;
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238 | b5ff1b31 | bellard | s->cm_sdram = 0x00011122;
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239 | ee6847d1 | Gerd Hoffmann | if (s->memsz >= 256) { |
240 | b5ff1b31 | bellard | integrator_spd[31] = 64; |
241 | b5ff1b31 | bellard | s->cm_sdram |= 0x10;
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242 | ee6847d1 | Gerd Hoffmann | } else if (s->memsz >= 128) { |
243 | b5ff1b31 | bellard | integrator_spd[31] = 32; |
244 | b5ff1b31 | bellard | s->cm_sdram |= 0x0c;
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245 | ee6847d1 | Gerd Hoffmann | } else if (s->memsz >= 64) { |
246 | b5ff1b31 | bellard | integrator_spd[31] = 16; |
247 | b5ff1b31 | bellard | s->cm_sdram |= 0x08;
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248 | ee6847d1 | Gerd Hoffmann | } else if (s->memsz >= 32) { |
249 | b5ff1b31 | bellard | integrator_spd[31] = 4; |
250 | b5ff1b31 | bellard | s->cm_sdram |= 0x04;
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251 | b5ff1b31 | bellard | } else {
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252 | b5ff1b31 | bellard | integrator_spd[31] = 2; |
253 | b5ff1b31 | bellard | } |
254 | b5ff1b31 | bellard | memcpy(integrator_spd + 73, "QEMU-MEMORY", 11); |
255 | b5ff1b31 | bellard | s->cm_init = 0x00000112;
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256 | 7fb4fdcf | balrog | s->flash_offset = qemu_ram_alloc(0x100000);
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257 | b5ff1b31 | bellard | |
258 | 1eed09cb | Avi Kivity | iomemtype = cpu_register_io_memory(integratorcm_readfn, |
259 | b5ff1b31 | bellard | integratorcm_writefn, s); |
260 | a7086888 | Paul Brook | sysbus_init_mmio(dev, 0x00800000, iomemtype);
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261 | b5ff1b31 | bellard | integratorcm_do_remap(s, 1);
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262 | b5ff1b31 | bellard | /* ??? Save/restore. */
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263 | 81a322d4 | Gerd Hoffmann | return 0; |
264 | b5ff1b31 | bellard | } |
265 | b5ff1b31 | bellard | |
266 | b5ff1b31 | bellard | /* Integrator/CP hardware emulation. */
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267 | b5ff1b31 | bellard | /* Primary interrupt controller. */
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268 | b5ff1b31 | bellard | |
269 | b5ff1b31 | bellard | typedef struct icp_pic_state |
270 | b5ff1b31 | bellard | { |
271 | a7086888 | Paul Brook | SysBusDevice busdev; |
272 | b5ff1b31 | bellard | uint32_t level; |
273 | b5ff1b31 | bellard | uint32_t irq_enabled; |
274 | b5ff1b31 | bellard | uint32_t fiq_enabled; |
275 | d537cf6c | pbrook | qemu_irq parent_irq; |
276 | d537cf6c | pbrook | qemu_irq parent_fiq; |
277 | b5ff1b31 | bellard | } icp_pic_state; |
278 | b5ff1b31 | bellard | |
279 | b5ff1b31 | bellard | static void icp_pic_update(icp_pic_state *s) |
280 | b5ff1b31 | bellard | { |
281 | cdbdb648 | pbrook | uint32_t flags; |
282 | b5ff1b31 | bellard | |
283 | d537cf6c | pbrook | flags = (s->level & s->irq_enabled); |
284 | d537cf6c | pbrook | qemu_set_irq(s->parent_irq, flags != 0);
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285 | d537cf6c | pbrook | flags = (s->level & s->fiq_enabled); |
286 | d537cf6c | pbrook | qemu_set_irq(s->parent_fiq, flags != 0);
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287 | b5ff1b31 | bellard | } |
288 | b5ff1b31 | bellard | |
289 | cdbdb648 | pbrook | static void icp_pic_set_irq(void *opaque, int irq, int level) |
290 | b5ff1b31 | bellard | { |
291 | 80337b66 | bellard | icp_pic_state *s = (icp_pic_state *)opaque; |
292 | b5ff1b31 | bellard | if (level)
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293 | 80337b66 | bellard | s->level |= 1 << irq;
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294 | b5ff1b31 | bellard | else
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295 | 80337b66 | bellard | s->level &= ~(1 << irq);
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296 | b5ff1b31 | bellard | icp_pic_update(s); |
297 | b5ff1b31 | bellard | } |
298 | b5ff1b31 | bellard | |
299 | b5ff1b31 | bellard | static uint32_t icp_pic_read(void *opaque, target_phys_addr_t offset) |
300 | b5ff1b31 | bellard | { |
301 | b5ff1b31 | bellard | icp_pic_state *s = (icp_pic_state *)opaque; |
302 | b5ff1b31 | bellard | |
303 | b5ff1b31 | bellard | switch (offset >> 2) { |
304 | b5ff1b31 | bellard | case 0: /* IRQ_STATUS */ |
305 | b5ff1b31 | bellard | return s->level & s->irq_enabled;
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306 | b5ff1b31 | bellard | case 1: /* IRQ_RAWSTAT */ |
307 | b5ff1b31 | bellard | return s->level;
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308 | b5ff1b31 | bellard | case 2: /* IRQ_ENABLESET */ |
309 | b5ff1b31 | bellard | return s->irq_enabled;
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310 | b5ff1b31 | bellard | case 4: /* INT_SOFTSET */ |
311 | b5ff1b31 | bellard | return s->level & 1; |
312 | b5ff1b31 | bellard | case 8: /* FRQ_STATUS */ |
313 | b5ff1b31 | bellard | return s->level & s->fiq_enabled;
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314 | b5ff1b31 | bellard | case 9: /* FRQ_RAWSTAT */ |
315 | b5ff1b31 | bellard | return s->level;
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316 | b5ff1b31 | bellard | case 10: /* FRQ_ENABLESET */ |
317 | b5ff1b31 | bellard | return s->fiq_enabled;
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318 | b5ff1b31 | bellard | case 3: /* IRQ_ENABLECLR */ |
319 | b5ff1b31 | bellard | case 5: /* INT_SOFTCLR */ |
320 | b5ff1b31 | bellard | case 11: /* FRQ_ENABLECLR */ |
321 | b5ff1b31 | bellard | default:
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322 | 29bfb117 | pbrook | printf ("icp_pic_read: Bad register offset 0x%x\n", (int)offset); |
323 | b5ff1b31 | bellard | return 0; |
324 | b5ff1b31 | bellard | } |
325 | b5ff1b31 | bellard | } |
326 | b5ff1b31 | bellard | |
327 | b5ff1b31 | bellard | static void icp_pic_write(void *opaque, target_phys_addr_t offset, |
328 | b5ff1b31 | bellard | uint32_t value) |
329 | b5ff1b31 | bellard | { |
330 | b5ff1b31 | bellard | icp_pic_state *s = (icp_pic_state *)opaque; |
331 | b5ff1b31 | bellard | |
332 | b5ff1b31 | bellard | switch (offset >> 2) { |
333 | b5ff1b31 | bellard | case 2: /* IRQ_ENABLESET */ |
334 | b5ff1b31 | bellard | s->irq_enabled |= value; |
335 | b5ff1b31 | bellard | break;
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336 | b5ff1b31 | bellard | case 3: /* IRQ_ENABLECLR */ |
337 | b5ff1b31 | bellard | s->irq_enabled &= ~value; |
338 | b5ff1b31 | bellard | break;
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339 | b5ff1b31 | bellard | case 4: /* INT_SOFTSET */ |
340 | b5ff1b31 | bellard | if (value & 1) |
341 | d537cf6c | pbrook | icp_pic_set_irq(s, 0, 1); |
342 | b5ff1b31 | bellard | break;
|
343 | b5ff1b31 | bellard | case 5: /* INT_SOFTCLR */ |
344 | b5ff1b31 | bellard | if (value & 1) |
345 | d537cf6c | pbrook | icp_pic_set_irq(s, 0, 0); |
346 | b5ff1b31 | bellard | break;
|
347 | b5ff1b31 | bellard | case 10: /* FRQ_ENABLESET */ |
348 | b5ff1b31 | bellard | s->fiq_enabled |= value; |
349 | b5ff1b31 | bellard | break;
|
350 | b5ff1b31 | bellard | case 11: /* FRQ_ENABLECLR */ |
351 | b5ff1b31 | bellard | s->fiq_enabled &= ~value; |
352 | b5ff1b31 | bellard | break;
|
353 | b5ff1b31 | bellard | case 0: /* IRQ_STATUS */ |
354 | b5ff1b31 | bellard | case 1: /* IRQ_RAWSTAT */ |
355 | b5ff1b31 | bellard | case 8: /* FRQ_STATUS */ |
356 | b5ff1b31 | bellard | case 9: /* FRQ_RAWSTAT */ |
357 | b5ff1b31 | bellard | default:
|
358 | 29bfb117 | pbrook | printf ("icp_pic_write: Bad register offset 0x%x\n", (int)offset); |
359 | b5ff1b31 | bellard | return;
|
360 | b5ff1b31 | bellard | } |
361 | b5ff1b31 | bellard | icp_pic_update(s); |
362 | b5ff1b31 | bellard | } |
363 | b5ff1b31 | bellard | |
364 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const icp_pic_readfn[] = { |
365 | b5ff1b31 | bellard | icp_pic_read, |
366 | b5ff1b31 | bellard | icp_pic_read, |
367 | b5ff1b31 | bellard | icp_pic_read |
368 | b5ff1b31 | bellard | }; |
369 | b5ff1b31 | bellard | |
370 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const icp_pic_writefn[] = { |
371 | b5ff1b31 | bellard | icp_pic_write, |
372 | b5ff1b31 | bellard | icp_pic_write, |
373 | b5ff1b31 | bellard | icp_pic_write |
374 | b5ff1b31 | bellard | }; |
375 | b5ff1b31 | bellard | |
376 | 81a322d4 | Gerd Hoffmann | static int icp_pic_init(SysBusDevice *dev) |
377 | b5ff1b31 | bellard | { |
378 | a7086888 | Paul Brook | icp_pic_state *s = FROM_SYSBUS(icp_pic_state, dev); |
379 | b5ff1b31 | bellard | int iomemtype;
|
380 | b5ff1b31 | bellard | |
381 | 067a3ddc | Paul Brook | qdev_init_gpio_in(&dev->qdev, icp_pic_set_irq, 32);
|
382 | a7086888 | Paul Brook | sysbus_init_irq(dev, &s->parent_irq); |
383 | a7086888 | Paul Brook | sysbus_init_irq(dev, &s->parent_fiq); |
384 | 1eed09cb | Avi Kivity | iomemtype = cpu_register_io_memory(icp_pic_readfn, |
385 | b5ff1b31 | bellard | icp_pic_writefn, s); |
386 | a7086888 | Paul Brook | sysbus_init_mmio(dev, 0x00800000, iomemtype);
|
387 | 81a322d4 | Gerd Hoffmann | return 0; |
388 | b5ff1b31 | bellard | } |
389 | b5ff1b31 | bellard | |
390 | b5ff1b31 | bellard | /* CP control registers. */
|
391 | b5ff1b31 | bellard | static uint32_t icp_control_read(void *opaque, target_phys_addr_t offset) |
392 | b5ff1b31 | bellard | { |
393 | b5ff1b31 | bellard | switch (offset >> 2) { |
394 | b5ff1b31 | bellard | case 0: /* CP_IDFIELD */ |
395 | b5ff1b31 | bellard | return 0x41034003; |
396 | b5ff1b31 | bellard | case 1: /* CP_FLASHPROG */ |
397 | b5ff1b31 | bellard | return 0; |
398 | b5ff1b31 | bellard | case 2: /* CP_INTREG */ |
399 | b5ff1b31 | bellard | return 0; |
400 | b5ff1b31 | bellard | case 3: /* CP_DECODE */ |
401 | b5ff1b31 | bellard | return 0x11; |
402 | b5ff1b31 | bellard | default:
|
403 | 2ac71179 | Paul Brook | hw_error("icp_control_read: Bad offset %x\n", (int)offset); |
404 | b5ff1b31 | bellard | return 0; |
405 | b5ff1b31 | bellard | } |
406 | b5ff1b31 | bellard | } |
407 | b5ff1b31 | bellard | |
408 | b5ff1b31 | bellard | static void icp_control_write(void *opaque, target_phys_addr_t offset, |
409 | b5ff1b31 | bellard | uint32_t value) |
410 | b5ff1b31 | bellard | { |
411 | b5ff1b31 | bellard | switch (offset >> 2) { |
412 | b5ff1b31 | bellard | case 1: /* CP_FLASHPROG */ |
413 | b5ff1b31 | bellard | case 2: /* CP_INTREG */ |
414 | b5ff1b31 | bellard | case 3: /* CP_DECODE */ |
415 | b5ff1b31 | bellard | /* Nothing interesting implemented yet. */
|
416 | b5ff1b31 | bellard | break;
|
417 | b5ff1b31 | bellard | default:
|
418 | 2ac71179 | Paul Brook | hw_error("icp_control_write: Bad offset %x\n", (int)offset); |
419 | b5ff1b31 | bellard | } |
420 | b5ff1b31 | bellard | } |
421 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const icp_control_readfn[] = { |
422 | b5ff1b31 | bellard | icp_control_read, |
423 | b5ff1b31 | bellard | icp_control_read, |
424 | b5ff1b31 | bellard | icp_control_read |
425 | b5ff1b31 | bellard | }; |
426 | b5ff1b31 | bellard | |
427 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const icp_control_writefn[] = { |
428 | b5ff1b31 | bellard | icp_control_write, |
429 | b5ff1b31 | bellard | icp_control_write, |
430 | b5ff1b31 | bellard | icp_control_write |
431 | b5ff1b31 | bellard | }; |
432 | b5ff1b31 | bellard | |
433 | b5ff1b31 | bellard | static void icp_control_init(uint32_t base) |
434 | b5ff1b31 | bellard | { |
435 | b5ff1b31 | bellard | int iomemtype;
|
436 | b5ff1b31 | bellard | |
437 | 1eed09cb | Avi Kivity | iomemtype = cpu_register_io_memory(icp_control_readfn, |
438 | 8da3ff18 | pbrook | icp_control_writefn, NULL);
|
439 | 187337f8 | pbrook | cpu_register_physical_memory(base, 0x00800000, iomemtype);
|
440 | b5ff1b31 | bellard | /* ??? Save/restore. */
|
441 | b5ff1b31 | bellard | } |
442 | b5ff1b31 | bellard | |
443 | b5ff1b31 | bellard | |
444 | b5ff1b31 | bellard | /* Board init. */
|
445 | b5ff1b31 | bellard | |
446 | f93eb9ff | balrog | static struct arm_boot_info integrator_binfo = { |
447 | f93eb9ff | balrog | .loader_start = 0x0,
|
448 | f93eb9ff | balrog | .board_id = 0x113,
|
449 | f93eb9ff | balrog | }; |
450 | f93eb9ff | balrog | |
451 | fbe1b595 | Paul Brook | static void integratorcp_init(ram_addr_t ram_size, |
452 | 3023f332 | aliguori | const char *boot_device, |
453 | b5ff1b31 | bellard | const char *kernel_filename, const char *kernel_cmdline, |
454 | 3371d272 | pbrook | const char *initrd_filename, const char *cpu_model) |
455 | b5ff1b31 | bellard | { |
456 | b5ff1b31 | bellard | CPUState *env; |
457 | 7ffab4d7 | pbrook | ram_addr_t ram_offset; |
458 | a7086888 | Paul Brook | qemu_irq pic[32];
|
459 | d537cf6c | pbrook | qemu_irq *cpu_pic; |
460 | a7086888 | Paul Brook | DeviceState *dev; |
461 | a7086888 | Paul Brook | int i;
|
462 | b5ff1b31 | bellard | |
463 | 3371d272 | pbrook | if (!cpu_model)
|
464 | 3371d272 | pbrook | cpu_model = "arm926";
|
465 | aaed909a | bellard | env = cpu_init(cpu_model); |
466 | aaed909a | bellard | if (!env) {
|
467 | aaed909a | bellard | fprintf(stderr, "Unable to find CPU definition\n");
|
468 | aaed909a | bellard | exit(1);
|
469 | aaed909a | bellard | } |
470 | 7fb4fdcf | balrog | ram_offset = qemu_ram_alloc(ram_size); |
471 | b5ff1b31 | bellard | /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash. */
|
472 | 1235fc06 | ths | /* ??? RAM should repeat to fill physical memory space. */
|
473 | b5ff1b31 | bellard | /* SDRAM at address zero*/
|
474 | 7fb4fdcf | balrog | cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
|
475 | b5ff1b31 | bellard | /* And again at address 0x80000000 */
|
476 | 7fb4fdcf | balrog | cpu_register_physical_memory(0x80000000, ram_size, ram_offset | IO_MEM_RAM);
|
477 | b5ff1b31 | bellard | |
478 | a7086888 | Paul Brook | dev = qdev_create(NULL, "integrator_core"); |
479 | ee6847d1 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "memsz", ram_size >> 20); |
480 | a7086888 | Paul Brook | qdev_init(dev); |
481 | a7086888 | Paul Brook | sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000); |
482 | a7086888 | Paul Brook | |
483 | cdbdb648 | pbrook | cpu_pic = arm_pic_init_cpu(env); |
484 | a7086888 | Paul Brook | dev = sysbus_create_varargs("integrator_pic", 0x14000000, |
485 | a7086888 | Paul Brook | cpu_pic[ARM_PIC_CPU_IRQ], |
486 | a7086888 | Paul Brook | cpu_pic[ARM_PIC_CPU_FIQ], NULL);
|
487 | a7086888 | Paul Brook | for (i = 0; i < 32; i++) { |
488 | 067a3ddc | Paul Brook | pic[i] = qdev_get_gpio_in(dev, i); |
489 | a7086888 | Paul Brook | } |
490 | 6a824ec3 | Paul Brook | sysbus_create_simple("integrator_pic", 0xca000000, pic[26]); |
491 | 6a824ec3 | Paul Brook | sysbus_create_varargs("integrator_pit", 0x13000000, |
492 | 6a824ec3 | Paul Brook | pic[5], pic[6], pic[7], NULL); |
493 | a63bdb31 | Paul Brook | sysbus_create_simple("pl031", 0x15000000, pic[8]); |
494 | a7d518a6 | Paul Brook | sysbus_create_simple("pl011", 0x16000000, pic[1]); |
495 | a7d518a6 | Paul Brook | sysbus_create_simple("pl011", 0x17000000, pic[2]); |
496 | b5ff1b31 | bellard | icp_control_init(0xcb000000);
|
497 | 86394e96 | Paul Brook | sysbus_create_simple("pl050_keyboard", 0x18000000, pic[3]); |
498 | 86394e96 | Paul Brook | sysbus_create_simple("pl050_mouse", 0x19000000, pic[4]); |
499 | aa9311d8 | Paul Brook | sysbus_create_varargs("pl181", 0x1c000000, pic[23], pic[24], NULL); |
500 | 0ae18cee | aliguori | if (nd_table[0].vlan) |
501 | 0ae18cee | aliguori | smc91c111_init(&nd_table[0], 0xc8000000, pic[27]); |
502 | 2e9bdce5 | Paul Brook | |
503 | 2e9bdce5 | Paul Brook | sysbus_create_simple("pl110", 0xc0000000, pic[22]); |
504 | b5ff1b31 | bellard | |
505 | f93eb9ff | balrog | integrator_binfo.ram_size = ram_size; |
506 | f93eb9ff | balrog | integrator_binfo.kernel_filename = kernel_filename; |
507 | f93eb9ff | balrog | integrator_binfo.kernel_cmdline = kernel_cmdline; |
508 | f93eb9ff | balrog | integrator_binfo.initrd_filename = initrd_filename; |
509 | f93eb9ff | balrog | arm_load_kernel(env, &integrator_binfo); |
510 | b5ff1b31 | bellard | } |
511 | b5ff1b31 | bellard | |
512 | f80f9ec9 | Anthony Liguori | static QEMUMachine integratorcp_machine = {
|
513 | 4b32e168 | aliguori | .name = "integratorcp",
|
514 | 4b32e168 | aliguori | .desc = "ARM Integrator/CP (ARM926EJ-S)",
|
515 | 4b32e168 | aliguori | .init = integratorcp_init, |
516 | 0c257437 | Anthony Liguori | .is_default = 1,
|
517 | b5ff1b31 | bellard | }; |
518 | a7086888 | Paul Brook | |
519 | f80f9ec9 | Anthony Liguori | static void integratorcp_machine_init(void) |
520 | f80f9ec9 | Anthony Liguori | { |
521 | f80f9ec9 | Anthony Liguori | qemu_register_machine(&integratorcp_machine); |
522 | f80f9ec9 | Anthony Liguori | } |
523 | f80f9ec9 | Anthony Liguori | |
524 | f80f9ec9 | Anthony Liguori | machine_init(integratorcp_machine_init); |
525 | f80f9ec9 | Anthony Liguori | |
526 | ee6847d1 | Gerd Hoffmann | static SysBusDeviceInfo core_info = {
|
527 | ee6847d1 | Gerd Hoffmann | .init = integratorcm_init, |
528 | ee6847d1 | Gerd Hoffmann | .qdev.name = "integrator_core",
|
529 | ee6847d1 | Gerd Hoffmann | .qdev.size = sizeof(integratorcm_state),
|
530 | ee6847d1 | Gerd Hoffmann | .qdev.props = (Property[]) { |
531 | bb36f66a | Gerd Hoffmann | DEFINE_PROP_UINT32("memsz", integratorcm_state, memsz, 0), |
532 | bb36f66a | Gerd Hoffmann | DEFINE_PROP_END_OF_LIST(), |
533 | ee6847d1 | Gerd Hoffmann | } |
534 | ee6847d1 | Gerd Hoffmann | }; |
535 | ee6847d1 | Gerd Hoffmann | |
536 | a7086888 | Paul Brook | static void integratorcp_register_devices(void) |
537 | a7086888 | Paul Brook | { |
538 | a7086888 | Paul Brook | sysbus_register_dev("integrator_pic", sizeof(icp_pic_state), icp_pic_init); |
539 | ee6847d1 | Gerd Hoffmann | sysbus_register_withprop(&core_info); |
540 | a7086888 | Paul Brook | } |
541 | a7086888 | Paul Brook | |
542 | a7086888 | Paul Brook | device_init(integratorcp_register_devices) |