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hw: aspeed: Ensure AST1030 respects uart-default
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1/*
2 * ASPEED Ast10x0 SoC
3 *
4 * Copyright (C) 2022 ASPEED Technology Inc.
5 *
6 * This code is licensed under the GPL version 2 or later. See
7 * the COPYING file in the top-level directory.
8 *
9 * Implementation extracted from the AST2600 and adapted for Ast10x0.
10 */
11
12#include "qemu/osdep.h"
13#include "qapi/error.h"
14#include "exec/address-spaces.h"
15#include "sysemu/sysemu.h"
16#include "hw/qdev-clock.h"
17#include "hw/misc/unimp.h"
18#include "hw/char/serial.h"
19#include "hw/arm/aspeed_soc.h"
20
21#define ASPEED_SOC_IOMEM_SIZE 0x00200000
22
23static const hwaddr aspeed_soc_ast1030_memmap[] = {
24 [ASPEED_DEV_SRAM] = 0x00000000,
25 [ASPEED_DEV_SBC] = 0x79000000,
26 [ASPEED_DEV_IOMEM] = 0x7E600000,
27 [ASPEED_DEV_PWM] = 0x7E610000,
28 [ASPEED_DEV_FMC] = 0x7E620000,
29 [ASPEED_DEV_SPI1] = 0x7E630000,
30 [ASPEED_DEV_SPI2] = 0x7E640000,
31 [ASPEED_DEV_SCU] = 0x7E6E2000,
32 [ASPEED_DEV_ADC] = 0x7E6E9000,
33 [ASPEED_DEV_SBC] = 0x7E6F2000,
34 [ASPEED_DEV_GPIO] = 0x7E780000,
35 [ASPEED_DEV_TIMER1] = 0x7E782000,
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36 [ASPEED_DEV_UART1] = 0x7E783000,
37 [ASPEED_DEV_UART2] = 0x7E78D000,
38 [ASPEED_DEV_UART3] = 0x7E78E000,
39 [ASPEED_DEV_UART4] = 0x7E78F000,
356b230e 40 [ASPEED_DEV_UART5] = 0x7E784000,
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41 [ASPEED_DEV_UART6] = 0x7E790000,
42 [ASPEED_DEV_UART7] = 0x7E790100,
43 [ASPEED_DEV_UART8] = 0x7E790200,
44 [ASPEED_DEV_UART9] = 0x7E790300,
45 [ASPEED_DEV_UART10] = 0x7E790400,
46 [ASPEED_DEV_UART11] = 0x7E790500,
47 [ASPEED_DEV_UART12] = 0x7E790600,
48 [ASPEED_DEV_UART13] = 0x7E790700,
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49 [ASPEED_DEV_WDT] = 0x7E785000,
50 [ASPEED_DEV_LPC] = 0x7E789000,
51 [ASPEED_DEV_I2C] = 0x7E7B0000,
52};
53
54static const int aspeed_soc_ast1030_irqmap[] = {
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55 [ASPEED_DEV_UART1] = 47,
56 [ASPEED_DEV_UART2] = 48,
57 [ASPEED_DEV_UART3] = 49,
58 [ASPEED_DEV_UART4] = 50,
356b230e 59 [ASPEED_DEV_UART5] = 8,
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60 [ASPEED_DEV_UART6] = 57,
61 [ASPEED_DEV_UART7] = 58,
62 [ASPEED_DEV_UART8] = 59,
63 [ASPEED_DEV_UART9] = 60,
64 [ASPEED_DEV_UART10] = 61,
65 [ASPEED_DEV_UART11] = 62,
66 [ASPEED_DEV_UART12] = 63,
67 [ASPEED_DEV_UART13] = 64,
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68 [ASPEED_DEV_GPIO] = 11,
69 [ASPEED_DEV_TIMER1] = 16,
70 [ASPEED_DEV_TIMER2] = 17,
71 [ASPEED_DEV_TIMER3] = 18,
72 [ASPEED_DEV_TIMER4] = 19,
73 [ASPEED_DEV_TIMER5] = 20,
74 [ASPEED_DEV_TIMER6] = 21,
75 [ASPEED_DEV_TIMER7] = 22,
76 [ASPEED_DEV_TIMER8] = 23,
77 [ASPEED_DEV_WDT] = 24,
78 [ASPEED_DEV_LPC] = 35,
79 [ASPEED_DEV_FMC] = 39,
80 [ASPEED_DEV_PWM] = 44,
81 [ASPEED_DEV_ADC] = 46,
82 [ASPEED_DEV_SPI1] = 65,
83 [ASPEED_DEV_SPI2] = 66,
84 [ASPEED_DEV_I2C] = 110, /* 110 ~ 123 */
85 [ASPEED_DEV_KCS] = 138, /* 138 -> 142 */
86};
87
699db715 88static qemu_irq aspeed_soc_ast1030_get_irq(AspeedSoCState *s, int dev)
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89{
90 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
91
699db715 92 return qdev_get_gpio_in(DEVICE(&s->armv7m), sc->irqmap[dev]);
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93}
94
95static void aspeed_soc_ast1030_init(Object *obj)
96{
97 AspeedSoCState *s = ASPEED_SOC(obj);
98 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
99 char socname[8];
100 char typename[64];
101 int i;
102
103 if (sscanf(sc->name, "%7s", socname) != 1) {
104 g_assert_not_reached();
105 }
106
107 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);
108
109 s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
110
111 snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
112 object_initialize_child(obj, "scu", &s->scu, typename);
113 qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev", sc->silicon_rev);
114
115 object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1");
116 object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), "hw-strap2");
117
118 snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
119 object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
120
121 snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
122 object_initialize_child(obj, "adc", &s->adc, typename);
123
124 snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
125 object_initialize_child(obj, "fmc", &s->fmc, typename);
126
127 for (i = 0; i < sc->spis_num; i++) {
128 snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
129 object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
130 }
131
132 object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC);
133
134 object_initialize_child(obj, "sbc", &s->sbc, TYPE_ASPEED_SBC);
135
136 for (i = 0; i < sc->wdts_num; i++) {
137 snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
138 object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
139 }
140}
141
142static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp)
143{
144 AspeedSoCState *s = ASPEED_SOC(dev_soc);
145 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
146 MemoryRegion *system_memory = get_system_memory();
147 DeviceState *armv7m;
148 Error *err = NULL;
149 int i;
150
151 if (!clock_has_source(s->sysclk)) {
152 error_setg(errp, "sysclk clock must be wired up by the board code");
153 return;
154 }
155
156 /* General I/O memory space to catch all unimplemented device */
157 create_unimplemented_device("aspeed.sbc",
158 sc->memmap[ASPEED_DEV_SBC],
159 0x40000);
160 create_unimplemented_device("aspeed.io",
161 sc->memmap[ASPEED_DEV_IOMEM],
162 ASPEED_SOC_IOMEM_SIZE);
163
164 /* AST1030 CPU Core */
165 armv7m = DEVICE(&s->armv7m);
166 qdev_prop_set_uint32(armv7m, "num-irq", 256);
167 qdev_prop_set_string(armv7m, "cpu-type", sc->cpu_type);
168 qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk);
169 object_property_set_link(OBJECT(&s->armv7m), "memory",
170 OBJECT(system_memory), &error_abort);
171 sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), &error_abort);
172
173 /* Internal SRAM */
174 memory_region_init_ram(&s->sram, NULL, "aspeed.sram", sc->sram_size, &err);
175 if (err != NULL) {
176 error_propagate(errp, err);
177 return;
178 }
179 memory_region_add_subregion(system_memory,
180 sc->memmap[ASPEED_DEV_SRAM],
181 &s->sram);
182
183 /* SCU */
184 if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
185 return;
186 }
187 sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
188
189 /* LPC */
190 if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
191 return;
192 }
193 sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]);
194
195 /* Connect the LPC IRQ to the GIC. It is otherwise unused. */
196 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0,
197 aspeed_soc_get_irq(s, ASPEED_DEV_LPC));
198
199 /*
200 * On the AST1030 LPC subdevice IRQs are connected straight to the GIC.
201 */
202 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1,
203 qdev_get_gpio_in(DEVICE(&s->armv7m),
204 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1));
205
206 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2,
207 qdev_get_gpio_in(DEVICE(&s->armv7m),
208 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2));
209
210 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3,
211 qdev_get_gpio_in(DEVICE(&s->armv7m),
212 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3));
213
214 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4,
215 qdev_get_gpio_in(DEVICE(&s->armv7m),
216 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
217
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218 /* UART - attach an 8250 to the IO space as our UART */
219 serial_mm_init(get_system_memory(), sc->memmap[s->uart_default], 2,
220 aspeed_soc_get_irq(s, s->uart_default),
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221 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
222
223 /* Timer */
224 object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
225 &error_abort);
226 if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
227 return;
228 }
229 sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0,
230 sc->memmap[ASPEED_DEV_TIMER1]);
231 for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
232 qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
233 sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
234 }
235
236 /* ADC */
237 if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
238 return;
239 }
240 sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
241 sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
242 aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
243
244 /* FMC, The number of CS is set at the board level */
245 object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(&s->sram),
246 &error_abort);
247 if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
248 return;
249 }
250 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
251 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
252 ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base);
253 sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
254 aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
255
256 /* SPI */
257 for (i = 0; i < sc->spis_num; i++) {
258 object_property_set_link(OBJECT(&s->spi[i]), "dram",
259 OBJECT(&s->sram), &error_abort);
260 if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
261 return;
262 }
263 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0,
264 sc->memmap[ASPEED_DEV_SPI1 + i]);
265 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
266 ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
267 }
268
269 /* Secure Boot Controller */
270 if (!sysbus_realize(SYS_BUS_DEVICE(&s->sbc), errp)) {
271 return;
272 }
273 sysbus_mmio_map(SYS_BUS_DEVICE(&s->sbc), 0, sc->memmap[ASPEED_DEV_SBC]);
274
275 /* Watch dog */
276 for (i = 0; i < sc->wdts_num; i++) {
277 AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
278
279 object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
280 &error_abort);
281 if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
282 return;
283 }
284 sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
285 sc->memmap[ASPEED_DEV_WDT] + i * awc->offset);
286 }
287}
288
289static void aspeed_soc_ast1030_class_init(ObjectClass *klass, void *data)
290{
291 DeviceClass *dc = DEVICE_CLASS(klass);
292 AspeedSoCClass *sc = ASPEED_SOC_CLASS(dc);
293
294 dc->realize = aspeed_soc_ast1030_realize;
295
296 sc->name = "ast1030-a1";
297 sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-m4");
298 sc->silicon_rev = AST1030_A1_SILICON_REV;
299 sc->sram_size = 0xc0000;
300 sc->spis_num = 2;
301 sc->ehcis_num = 0;
302 sc->wdts_num = 4;
303 sc->macs_num = 1;
c5e1bdb9 304 sc->uarts_num = 13;
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305 sc->irqmap = aspeed_soc_ast1030_irqmap;
306 sc->memmap = aspeed_soc_ast1030_memmap;
307 sc->num_cpus = 1;
699db715 308 sc->get_irq = aspeed_soc_ast1030_get_irq;
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309}
310
311static const TypeInfo aspeed_soc_ast1030_type_info = {
312 .name = "ast1030-a1",
313 .parent = TYPE_ASPEED_SOC,
314 .instance_size = sizeof(AspeedSoCState),
315 .instance_init = aspeed_soc_ast1030_init,
316 .class_init = aspeed_soc_ast1030_class_init,
317 .class_size = sizeof(AspeedSoCClass),
318};
319
320static void aspeed_soc_register_types(void)
321{
322 type_register_static(&aspeed_soc_ast1030_type_info);
323}
324
325type_init(aspeed_soc_register_types)