]>
Commit | Line | Data |
---|---|---|
0caa7113 EV |
1 | /* |
2 | * Samsung exynos4210 SoC emulation | |
3 | * | |
4 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. | |
5 | * Maksim Kozlov <[email protected]> | |
6 | * Evgeny Voevodin <[email protected]> | |
7 | * Igor Mitsyanko <[email protected]> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
15 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | * for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, see <http://www.gnu.org/licenses/>. | |
21 | * | |
22 | */ | |
23 | ||
83c9f4ca | 24 | #include "hw/boards.h" |
9c17d615 | 25 | #include "sysemu/sysemu.h" |
83c9f4ca | 26 | #include "hw/sysbus.h" |
bd2be150 | 27 | #include "hw/arm/arm.h" |
83c9f4ca | 28 | #include "hw/loader.h" |
0d09e41a | 29 | #include "hw/arm/exynos4210.h" |
83c9f4ca | 30 | #include "hw/usb/hcd-ehci.h" |
0caa7113 EV |
31 | |
32 | #define EXYNOS4210_CHIPID_ADDR 0x10000000 | |
33 | ||
62db8bf3 EV |
34 | /* PWM */ |
35 | #define EXYNOS4210_PWM_BASE_ADDR 0x139D0000 | |
36 | ||
7bdf43a7 OO |
37 | /* RTC */ |
38 | #define EXYNOS4210_RTC_BASE_ADDR 0x10070000 | |
39 | ||
12c775db EV |
40 | /* MCT */ |
41 | #define EXYNOS4210_MCT_BASE_ADDR 0x10050000 | |
42 | ||
ffbbe7d0 MI |
43 | /* I2C */ |
44 | #define EXYNOS4210_I2C_SHIFT 0x00010000 | |
45 | #define EXYNOS4210_I2C_BASE_ADDR 0x13860000 | |
46 | /* Interrupt Group of External Interrupt Combiner for I2C */ | |
47 | #define EXYNOS4210_I2C_INTG 27 | |
48 | #define EXYNOS4210_HDMI_INTG 16 | |
49 | ||
e5a4914e MK |
50 | /* UART's definitions */ |
51 | #define EXYNOS4210_UART0_BASE_ADDR 0x13800000 | |
52 | #define EXYNOS4210_UART1_BASE_ADDR 0x13810000 | |
53 | #define EXYNOS4210_UART2_BASE_ADDR 0x13820000 | |
54 | #define EXYNOS4210_UART3_BASE_ADDR 0x13830000 | |
55 | #define EXYNOS4210_UART0_FIFO_SIZE 256 | |
56 | #define EXYNOS4210_UART1_FIFO_SIZE 64 | |
57 | #define EXYNOS4210_UART2_FIFO_SIZE 16 | |
58 | #define EXYNOS4210_UART3_FIFO_SIZE 16 | |
59 | /* Interrupt Group of External Interrupt Combiner for UART */ | |
60 | #define EXYNOS4210_UART_INT_GRP 26 | |
61 | ||
0caa7113 EV |
62 | /* External GIC */ |
63 | #define EXYNOS4210_EXT_GIC_CPU_BASE_ADDR 0x10480000 | |
64 | #define EXYNOS4210_EXT_GIC_DIST_BASE_ADDR 0x10490000 | |
65 | ||
66 | /* Combiner */ | |
67 | #define EXYNOS4210_EXT_COMBINER_BASE_ADDR 0x10440000 | |
68 | #define EXYNOS4210_INT_COMBINER_BASE_ADDR 0x10448000 | |
69 | ||
df91b48f MK |
70 | /* PMU SFR base address */ |
71 | #define EXYNOS4210_PMU_BASE_ADDR 0x10020000 | |
72 | ||
30628cb1 MI |
73 | /* Display controllers (FIMD) */ |
74 | #define EXYNOS4210_FIMD0_BASE_ADDR 0x11C00000 | |
75 | ||
358d615b LW |
76 | /* EHCI */ |
77 | #define EXYNOS4210_EHCI_BASE_ADDR 0x12580000 | |
78 | ||
0caa7113 EV |
79 | static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43, |
80 | 0x09, 0x00, 0x00, 0x00 }; | |
81 | ||
9543b0cd | 82 | void exynos4210_write_secondary(ARMCPU *cpu, |
3f088e36 EV |
83 | const struct arm_boot_info *info) |
84 | { | |
85 | int n; | |
86 | uint32_t smpboot[] = { | |
bf471f79 PM |
87 | 0xe59f3034, /* ldr r3, External gic_cpu_if */ |
88 | 0xe59f2034, /* ldr r2, Internal gic_cpu_if */ | |
89 | 0xe59f0034, /* ldr r0, startaddr */ | |
3f088e36 EV |
90 | 0xe3a01001, /* mov r1, #1 */ |
91 | 0xe5821000, /* str r1, [r2] */ | |
92 | 0xe5831000, /* str r1, [r3] */ | |
bf471f79 PM |
93 | 0xe3a010ff, /* mov r1, #0xff */ |
94 | 0xe5821004, /* str r1, [r2, #4] */ | |
95 | 0xe5831004, /* str r1, [r3, #4] */ | |
96 | 0xf57ff04f, /* dsb */ | |
3f088e36 EV |
97 | 0xe320f003, /* wfi */ |
98 | 0xe5901000, /* ldr r1, [r0] */ | |
99 | 0xe1110001, /* tst r1, r1 */ | |
100 | 0x0afffffb, /* beq <wfi> */ | |
101 | 0xe12fff11, /* bx r1 */ | |
102 | EXYNOS4210_EXT_GIC_CPU_BASE_ADDR, | |
103 | 0, /* gic_cpu_if: base address of Internal GIC CPU interface */ | |
104 | 0 /* bootreg: Boot register address is held here */ | |
105 | }; | |
106 | smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr; | |
107 | smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr; | |
108 | for (n = 0; n < ARRAY_SIZE(smpboot); n++) { | |
109 | smpboot[n] = tswap32(smpboot[n]); | |
110 | } | |
111 | rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot), | |
112 | info->smp_loader_start); | |
113 | } | |
114 | ||
0caa7113 EV |
115 | Exynos4210State *exynos4210_init(MemoryRegion *system_mem, |
116 | unsigned long ram_size) | |
117 | { | |
61558e7a EV |
118 | qemu_irq cpu_irq[EXYNOS4210_NCPUS]; |
119 | int i, n; | |
0caa7113 EV |
120 | Exynos4210State *s = g_new(Exynos4210State, 1); |
121 | qemu_irq *irqp; | |
61558e7a | 122 | qemu_irq gate_irq[EXYNOS4210_NCPUS][EXYNOS4210_IRQ_GATE_NINPUTS]; |
0caa7113 EV |
123 | unsigned long mem_size; |
124 | DeviceState *dev; | |
125 | SysBusDevice *busdev; | |
126 | ||
127 | for (n = 0; n < EXYNOS4210_NCPUS; n++) { | |
ef6cbcc5 AF |
128 | s->cpu[n] = cpu_arm_init("cortex-a9"); |
129 | if (!s->cpu[n]) { | |
0caa7113 EV |
130 | fprintf(stderr, "Unable to find CPU %d definition\n", n); |
131 | exit(1); | |
132 | } | |
4bd74661 | 133 | |
0caa7113 | 134 | /* Create PIC controller for each processor instance */ |
4bd74661 | 135 | irqp = arm_pic_init_cpu(s->cpu[n]); |
0caa7113 EV |
136 | |
137 | /* | |
138 | * Get GICs gpio_in cpu_irq to connect a combiner to them later. | |
139 | * Use only IRQ for a while. | |
140 | */ | |
141 | cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ]; | |
142 | } | |
143 | ||
144 | /*** IRQs ***/ | |
145 | ||
146 | s->irq_table = exynos4210_init_irq(&s->irqs); | |
147 | ||
148 | /* IRQ Gate */ | |
61558e7a EV |
149 | for (i = 0; i < EXYNOS4210_NCPUS; i++) { |
150 | dev = qdev_create(NULL, "exynos4210.irq_gate"); | |
151 | qdev_prop_set_uint32(dev, "n_in", EXYNOS4210_IRQ_GATE_NINPUTS); | |
152 | qdev_init_nofail(dev); | |
153 | /* Get IRQ Gate input in gate_irq */ | |
154 | for (n = 0; n < EXYNOS4210_IRQ_GATE_NINPUTS; n++) { | |
155 | gate_irq[i][n] = qdev_get_gpio_in(dev, n); | |
156 | } | |
1356b98d | 157 | busdev = SYS_BUS_DEVICE(dev); |
61558e7a EV |
158 | |
159 | /* Connect IRQ Gate output to cpu_irq */ | |
160 | sysbus_connect_irq(busdev, 0, cpu_irq[i]); | |
0caa7113 EV |
161 | } |
162 | ||
163 | /* Private memory region and Internal GIC */ | |
164 | dev = qdev_create(NULL, "a9mpcore_priv"); | |
165 | qdev_prop_set_uint32(dev, "num-cpu", EXYNOS4210_NCPUS); | |
166 | qdev_init_nofail(dev); | |
1356b98d | 167 | busdev = SYS_BUS_DEVICE(dev); |
0caa7113 EV |
168 | sysbus_mmio_map(busdev, 0, EXYNOS4210_SMP_PRIVATE_BASE_ADDR); |
169 | for (n = 0; n < EXYNOS4210_NCPUS; n++) { | |
61558e7a | 170 | sysbus_connect_irq(busdev, n, gate_irq[n][0]); |
0caa7113 EV |
171 | } |
172 | for (n = 0; n < EXYNOS4210_INT_GIC_NIRQ; n++) { | |
173 | s->irqs.int_gic_irq[n] = qdev_get_gpio_in(dev, n); | |
174 | } | |
175 | ||
176 | /* Cache controller */ | |
177 | sysbus_create_simple("l2x0", EXYNOS4210_L2X0_BASE_ADDR, NULL); | |
178 | ||
179 | /* External GIC */ | |
180 | dev = qdev_create(NULL, "exynos4210.gic"); | |
181 | qdev_prop_set_uint32(dev, "num-cpu", EXYNOS4210_NCPUS); | |
182 | qdev_init_nofail(dev); | |
1356b98d | 183 | busdev = SYS_BUS_DEVICE(dev); |
0caa7113 EV |
184 | /* Map CPU interface */ |
185 | sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_GIC_CPU_BASE_ADDR); | |
186 | /* Map Distributer interface */ | |
187 | sysbus_mmio_map(busdev, 1, EXYNOS4210_EXT_GIC_DIST_BASE_ADDR); | |
188 | for (n = 0; n < EXYNOS4210_NCPUS; n++) { | |
61558e7a | 189 | sysbus_connect_irq(busdev, n, gate_irq[n][1]); |
0caa7113 EV |
190 | } |
191 | for (n = 0; n < EXYNOS4210_EXT_GIC_NIRQ; n++) { | |
192 | s->irqs.ext_gic_irq[n] = qdev_get_gpio_in(dev, n); | |
193 | } | |
194 | ||
195 | /* Internal Interrupt Combiner */ | |
196 | dev = qdev_create(NULL, "exynos4210.combiner"); | |
197 | qdev_init_nofail(dev); | |
1356b98d | 198 | busdev = SYS_BUS_DEVICE(dev); |
0caa7113 EV |
199 | for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) { |
200 | sysbus_connect_irq(busdev, n, s->irqs.int_gic_irq[n]); | |
201 | } | |
202 | exynos4210_combiner_get_gpioin(&s->irqs, dev, 0); | |
203 | sysbus_mmio_map(busdev, 0, EXYNOS4210_INT_COMBINER_BASE_ADDR); | |
204 | ||
205 | /* External Interrupt Combiner */ | |
206 | dev = qdev_create(NULL, "exynos4210.combiner"); | |
207 | qdev_prop_set_uint32(dev, "external", 1); | |
208 | qdev_init_nofail(dev); | |
1356b98d | 209 | busdev = SYS_BUS_DEVICE(dev); |
0caa7113 EV |
210 | for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) { |
211 | sysbus_connect_irq(busdev, n, s->irqs.ext_gic_irq[n]); | |
212 | } | |
213 | exynos4210_combiner_get_gpioin(&s->irqs, dev, 1); | |
214 | sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_COMBINER_BASE_ADDR); | |
215 | ||
216 | /* Initialize board IRQs. */ | |
217 | exynos4210_init_board_irqs(&s->irqs); | |
218 | ||
219 | /*** Memory ***/ | |
220 | ||
221 | /* Chip-ID and OMR */ | |
222 | memory_region_init_ram_ptr(&s->chipid_mem, "exynos4210.chipid", | |
223 | sizeof(chipid_and_omr), chipid_and_omr); | |
224 | memory_region_set_readonly(&s->chipid_mem, true); | |
225 | memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR, | |
226 | &s->chipid_mem); | |
227 | ||
228 | /* Internal ROM */ | |
229 | memory_region_init_ram(&s->irom_mem, "exynos4210.irom", | |
230 | EXYNOS4210_IROM_SIZE); | |
231 | memory_region_set_readonly(&s->irom_mem, true); | |
232 | memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR, | |
233 | &s->irom_mem); | |
234 | /* mirror of iROM */ | |
235 | memory_region_init_alias(&s->irom_alias_mem, "exynos4210.irom_alias", | |
236 | &s->irom_mem, | |
7892df06 | 237 | 0, |
0caa7113 EV |
238 | EXYNOS4210_IROM_SIZE); |
239 | memory_region_set_readonly(&s->irom_alias_mem, true); | |
240 | memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR, | |
241 | &s->irom_alias_mem); | |
242 | ||
243 | /* Internal RAM */ | |
244 | memory_region_init_ram(&s->iram_mem, "exynos4210.iram", | |
245 | EXYNOS4210_IRAM_SIZE); | |
246 | vmstate_register_ram_global(&s->iram_mem); | |
247 | memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR, | |
248 | &s->iram_mem); | |
249 | ||
250 | /* DRAM */ | |
251 | mem_size = ram_size; | |
252 | if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) { | |
253 | memory_region_init_ram(&s->dram1_mem, "exynos4210.dram1", | |
254 | mem_size - EXYNOS4210_DRAM_MAX_SIZE); | |
255 | vmstate_register_ram_global(&s->dram1_mem); | |
256 | memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR, | |
257 | &s->dram1_mem); | |
258 | mem_size = EXYNOS4210_DRAM_MAX_SIZE; | |
259 | } | |
260 | memory_region_init_ram(&s->dram0_mem, "exynos4210.dram0", mem_size); | |
261 | vmstate_register_ram_global(&s->dram0_mem); | |
262 | memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR, | |
263 | &s->dram0_mem); | |
264 | ||
df91b48f MK |
265 | /* PMU. |
266 | * The only reason of existence at the moment is that secondary CPU boot | |
267 | * loader uses PMU INFORM5 register as a holding pen. | |
268 | */ | |
269 | sysbus_create_simple("exynos4210.pmu", EXYNOS4210_PMU_BASE_ADDR, NULL); | |
270 | ||
62db8bf3 EV |
271 | /* PWM */ |
272 | sysbus_create_varargs("exynos4210.pwm", EXYNOS4210_PWM_BASE_ADDR, | |
273 | s->irq_table[exynos4210_get_irq(22, 0)], | |
274 | s->irq_table[exynos4210_get_irq(22, 1)], | |
275 | s->irq_table[exynos4210_get_irq(22, 2)], | |
276 | s->irq_table[exynos4210_get_irq(22, 3)], | |
277 | s->irq_table[exynos4210_get_irq(22, 4)], | |
278 | NULL); | |
7bdf43a7 OO |
279 | /* RTC */ |
280 | sysbus_create_varargs("exynos4210.rtc", EXYNOS4210_RTC_BASE_ADDR, | |
281 | s->irq_table[exynos4210_get_irq(23, 0)], | |
282 | s->irq_table[exynos4210_get_irq(23, 1)], | |
283 | NULL); | |
62db8bf3 | 284 | |
12c775db EV |
285 | /* Multi Core Timer */ |
286 | dev = qdev_create(NULL, "exynos4210.mct"); | |
287 | qdev_init_nofail(dev); | |
1356b98d | 288 | busdev = SYS_BUS_DEVICE(dev); |
12c775db EV |
289 | for (n = 0; n < 4; n++) { |
290 | /* Connect global timer interrupts to Combiner gpio_in */ | |
291 | sysbus_connect_irq(busdev, n, | |
292 | s->irq_table[exynos4210_get_irq(1, 4 + n)]); | |
293 | } | |
294 | /* Connect local timer interrupts to Combiner gpio_in */ | |
295 | sysbus_connect_irq(busdev, 4, | |
296 | s->irq_table[exynos4210_get_irq(51, 0)]); | |
297 | sysbus_connect_irq(busdev, 5, | |
298 | s->irq_table[exynos4210_get_irq(35, 3)]); | |
299 | sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR); | |
300 | ||
ffbbe7d0 MI |
301 | /*** I2C ***/ |
302 | for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) { | |
303 | uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n; | |
304 | qemu_irq i2c_irq; | |
305 | ||
306 | if (n < 8) { | |
307 | i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)]; | |
308 | } else { | |
309 | i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)]; | |
310 | } | |
311 | ||
312 | dev = qdev_create(NULL, "exynos4210.i2c"); | |
313 | qdev_init_nofail(dev); | |
1356b98d | 314 | busdev = SYS_BUS_DEVICE(dev); |
ffbbe7d0 MI |
315 | sysbus_connect_irq(busdev, 0, i2c_irq); |
316 | sysbus_mmio_map(busdev, 0, addr); | |
317 | s->i2c_if[n] = (i2c_bus *)qdev_get_child_bus(dev, "i2c"); | |
318 | } | |
319 | ||
320 | ||
e5a4914e MK |
321 | /*** UARTs ***/ |
322 | exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR, | |
323 | EXYNOS4210_UART0_FIFO_SIZE, 0, NULL, | |
324 | s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 0)]); | |
325 | ||
326 | exynos4210_uart_create(EXYNOS4210_UART1_BASE_ADDR, | |
327 | EXYNOS4210_UART1_FIFO_SIZE, 1, NULL, | |
328 | s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 1)]); | |
329 | ||
330 | exynos4210_uart_create(EXYNOS4210_UART2_BASE_ADDR, | |
331 | EXYNOS4210_UART2_FIFO_SIZE, 2, NULL, | |
332 | s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 2)]); | |
333 | ||
334 | exynos4210_uart_create(EXYNOS4210_UART3_BASE_ADDR, | |
335 | EXYNOS4210_UART3_FIFO_SIZE, 3, NULL, | |
336 | s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]); | |
337 | ||
30628cb1 MI |
338 | /*** Display controller (FIMD) ***/ |
339 | sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR, | |
340 | s->irq_table[exynos4210_get_irq(11, 0)], | |
341 | s->irq_table[exynos4210_get_irq(11, 1)], | |
342 | s->irq_table[exynos4210_get_irq(11, 2)], | |
343 | NULL); | |
344 | ||
358d615b LW |
345 | sysbus_create_simple(TYPE_EXYNOS4210_EHCI, EXYNOS4210_EHCI_BASE_ADDR, |
346 | s->irq_table[exynos4210_get_irq(28, 3)]); | |
347 | ||
0caa7113 EV |
348 | return s; |
349 | } |