qemu/hw/arm/aspeed_soc.c
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   1/*
   2 * ASPEED SoC family
   3 *
   4 * Andrew Jeffery <andrew@aj.id.au>
   5 * Jeremy Kerr <jk@ozlabs.org>
   6 *
   7 * Copyright 2016 IBM Corp.
   8 *
   9 * This code is licensed under the GPL version 2 or later.  See
  10 * the COPYING file in the top-level directory.
  11 */
  12
  13#include "qemu/osdep.h"
  14#include "qapi/error.h"
  15#include "cpu.h"
  16#include "exec/address-spaces.h"
  17#include "hw/misc/unimp.h"
  18#include "hw/arm/aspeed_soc.h"
  19#include "hw/char/serial.h"
  20#include "qemu/log.h"
  21#include "qemu/module.h"
  22#include "qemu/error-report.h"
  23#include "hw/i2c/aspeed_i2c.h"
  24#include "net/net.h"
  25
  26#define ASPEED_SOC_IOMEM_SIZE       0x00200000
  27
  28static const hwaddr aspeed_soc_ast2400_memmap[] = {
  29    [ASPEED_IOMEM]  = 0x1E600000,
  30    [ASPEED_FMC]    = 0x1E620000,
  31    [ASPEED_SPI1]   = 0x1E630000,
  32    [ASPEED_VIC]    = 0x1E6C0000,
  33    [ASPEED_SDMC]   = 0x1E6E0000,
  34    [ASPEED_SCU]    = 0x1E6E2000,
  35    [ASPEED_XDMA]   = 0x1E6E7000,
  36    [ASPEED_ADC]    = 0x1E6E9000,
  37    [ASPEED_SRAM]   = 0x1E720000,
  38    [ASPEED_GPIO]   = 0x1E780000,
  39    [ASPEED_RTC]    = 0x1E781000,
  40    [ASPEED_TIMER1] = 0x1E782000,
  41    [ASPEED_WDT]    = 0x1E785000,
  42    [ASPEED_PWM]    = 0x1E786000,
  43    [ASPEED_LPC]    = 0x1E789000,
  44    [ASPEED_IBT]    = 0x1E789140,
  45    [ASPEED_I2C]    = 0x1E78A000,
  46    [ASPEED_ETH1]   = 0x1E660000,
  47    [ASPEED_ETH2]   = 0x1E680000,
  48    [ASPEED_UART1]  = 0x1E783000,
  49    [ASPEED_UART5]  = 0x1E784000,
  50    [ASPEED_VUART]  = 0x1E787000,
  51    [ASPEED_SDRAM]  = 0x40000000,
  52};
  53
  54static const hwaddr aspeed_soc_ast2500_memmap[] = {
  55    [ASPEED_IOMEM]  = 0x1E600000,
  56    [ASPEED_FMC]    = 0x1E620000,
  57    [ASPEED_SPI1]   = 0x1E630000,
  58    [ASPEED_SPI2]   = 0x1E631000,
  59    [ASPEED_VIC]    = 0x1E6C0000,
  60    [ASPEED_SDMC]   = 0x1E6E0000,
  61    [ASPEED_SCU]    = 0x1E6E2000,
  62    [ASPEED_XDMA]   = 0x1E6E7000,
  63    [ASPEED_ADC]    = 0x1E6E9000,
  64    [ASPEED_SRAM]   = 0x1E720000,
  65    [ASPEED_GPIO]   = 0x1E780000,
  66    [ASPEED_RTC]    = 0x1E781000,
  67    [ASPEED_TIMER1] = 0x1E782000,
  68    [ASPEED_WDT]    = 0x1E785000,
  69    [ASPEED_PWM]    = 0x1E786000,
  70    [ASPEED_LPC]    = 0x1E789000,
  71    [ASPEED_IBT]    = 0x1E789140,
  72    [ASPEED_I2C]    = 0x1E78A000,
  73    [ASPEED_ETH1]   = 0x1E660000,
  74    [ASPEED_ETH2]   = 0x1E680000,
  75    [ASPEED_UART1]  = 0x1E783000,
  76    [ASPEED_UART5]  = 0x1E784000,
  77    [ASPEED_VUART]  = 0x1E787000,
  78    [ASPEED_SDRAM]  = 0x80000000,
  79};
  80
  81static const int aspeed_soc_ast2400_irqmap[] = {
  82    [ASPEED_UART1]  = 9,
  83    [ASPEED_UART2]  = 32,
  84    [ASPEED_UART3]  = 33,
  85    [ASPEED_UART4]  = 34,
  86    [ASPEED_UART5]  = 10,
  87    [ASPEED_VUART]  = 8,
  88    [ASPEED_FMC]    = 19,
  89    [ASPEED_SDMC]   = 0,
  90    [ASPEED_SCU]    = 21,
  91    [ASPEED_ADC]    = 31,
  92    [ASPEED_GPIO]   = 20,
  93    [ASPEED_RTC]    = 22,
  94    [ASPEED_TIMER1] = 16,
  95    [ASPEED_TIMER2] = 17,
  96    [ASPEED_TIMER3] = 18,
  97    [ASPEED_TIMER4] = 35,
  98    [ASPEED_TIMER5] = 36,
  99    [ASPEED_TIMER6] = 37,
 100    [ASPEED_TIMER7] = 38,
 101    [ASPEED_TIMER8] = 39,
 102    [ASPEED_WDT]    = 27,
 103    [ASPEED_PWM]    = 28,
 104    [ASPEED_LPC]    = 8,
 105    [ASPEED_IBT]    = 8, /* LPC */
 106    [ASPEED_I2C]    = 12,
 107    [ASPEED_ETH1]   = 2,
 108    [ASPEED_ETH2]   = 3,
 109    [ASPEED_XDMA]   = 6,
 110};
 111
 112#define aspeed_soc_ast2500_irqmap aspeed_soc_ast2400_irqmap
 113
 114static const char *aspeed_soc_ast2400_typenames[] = { "aspeed.smc.spi" };
 115static const char *aspeed_soc_ast2500_typenames[] = {
 116    "aspeed.smc.ast2500-spi1", "aspeed.smc.ast2500-spi2" };
 117
 118static const AspeedSoCInfo aspeed_socs[] = {
 119    {
 120        .name         = "ast2400-a0",
 121        .cpu_type     = ARM_CPU_TYPE_NAME("arm926"),
 122        .silicon_rev  = AST2400_A0_SILICON_REV,
 123        .sram_size    = 0x8000,
 124        .spis_num     = 1,
 125        .fmc_typename = "aspeed.smc.fmc",
 126        .spi_typename = aspeed_soc_ast2400_typenames,
 127        .wdts_num     = 2,
 128        .irqmap       = aspeed_soc_ast2400_irqmap,
 129        .memmap       = aspeed_soc_ast2400_memmap,
 130        .num_cpus     = 1,
 131    }, {
 132        .name         = "ast2400-a1",
 133        .cpu_type     = ARM_CPU_TYPE_NAME("arm926"),
 134        .silicon_rev  = AST2400_A1_SILICON_REV,
 135        .sram_size    = 0x8000,
 136        .spis_num     = 1,
 137        .fmc_typename = "aspeed.smc.fmc",
 138        .spi_typename = aspeed_soc_ast2400_typenames,
 139        .wdts_num     = 2,
 140        .irqmap       = aspeed_soc_ast2400_irqmap,
 141        .memmap       = aspeed_soc_ast2400_memmap,
 142        .num_cpus     = 1,
 143    }, {
 144        .name         = "ast2400",
 145        .cpu_type     = ARM_CPU_TYPE_NAME("arm926"),
 146        .silicon_rev  = AST2400_A0_SILICON_REV,
 147        .sram_size    = 0x8000,
 148        .spis_num     = 1,
 149        .fmc_typename = "aspeed.smc.fmc",
 150        .spi_typename = aspeed_soc_ast2400_typenames,
 151        .wdts_num     = 2,
 152        .irqmap       = aspeed_soc_ast2400_irqmap,
 153        .memmap       = aspeed_soc_ast2400_memmap,
 154        .num_cpus     = 1,
 155    }, {
 156        .name         = "ast2500-a1",
 157        .cpu_type     = ARM_CPU_TYPE_NAME("arm1176"),
 158        .silicon_rev  = AST2500_A1_SILICON_REV,
 159        .sram_size    = 0x9000,
 160        .spis_num     = 2,
 161        .fmc_typename = "aspeed.smc.ast2500-fmc",
 162        .spi_typename = aspeed_soc_ast2500_typenames,
 163        .wdts_num     = 3,
 164        .irqmap       = aspeed_soc_ast2500_irqmap,
 165        .memmap       = aspeed_soc_ast2500_memmap,
 166        .num_cpus     = 1,
 167    },
 168};
 169
 170static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl)
 171{
 172    AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
 173
 174    return qdev_get_gpio_in(DEVICE(&s->vic), sc->info->irqmap[ctrl]);
 175}
 176
 177static void aspeed_soc_init(Object *obj)
 178{
 179    AspeedSoCState *s = ASPEED_SOC(obj);
 180    AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
 181    int i;
 182
 183    for (i = 0; i < sc->info->num_cpus; i++) {
 184        object_initialize_child(obj, "cpu[*]", OBJECT(&s->cpu[i]),
 185                                sizeof(s->cpu[i]), sc->info->cpu_type,
 186                                &error_abort, NULL);
 187    }
 188
 189    sysbus_init_child_obj(obj, "scu", OBJECT(&s->scu), sizeof(s->scu),
 190                          TYPE_ASPEED_SCU);
 191    qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
 192                         sc->info->silicon_rev);
 193    object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
 194                              "hw-strap1", &error_abort);
 195    object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
 196                              "hw-strap2", &error_abort);
 197    object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
 198                              "hw-prot-key", &error_abort);
 199
 200    sysbus_init_child_obj(obj, "vic", OBJECT(&s->vic), sizeof(s->vic),
 201                          TYPE_ASPEED_VIC);
 202
 203    sysbus_init_child_obj(obj, "rtc", OBJECT(&s->rtc), sizeof(s->rtc),
 204                          TYPE_ASPEED_RTC);
 205
 206    sysbus_init_child_obj(obj, "timerctrl", OBJECT(&s->timerctrl),
 207                          sizeof(s->timerctrl), TYPE_ASPEED_TIMER);
 208    object_property_add_const_link(OBJECT(&s->timerctrl), "scu",
 209                                   OBJECT(&s->scu), &error_abort);
 210
 211    sysbus_init_child_obj(obj, "i2c", OBJECT(&s->i2c), sizeof(s->i2c),
 212                          TYPE_ASPEED_I2C);
 213
 214    sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc),
 215                          sc->info->fmc_typename);
 216    object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
 217                              &error_abort);
 218
 219    for (i = 0; i < sc->info->spis_num; i++) {
 220        sysbus_init_child_obj(obj, "spi[*]", OBJECT(&s->spi[i]),
 221                              sizeof(s->spi[i]), sc->info->spi_typename[i]);
 222    }
 223
 224    sysbus_init_child_obj(obj, "sdmc", OBJECT(&s->sdmc), sizeof(s->sdmc),
 225                          TYPE_ASPEED_SDMC);
 226    qdev_prop_set_uint32(DEVICE(&s->sdmc), "silicon-rev",
 227                         sc->info->silicon_rev);
 228    object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
 229                              "ram-size", &error_abort);
 230    object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
 231                              "max-ram-size", &error_abort);
 232
 233    for (i = 0; i < sc->info->wdts_num; i++) {
 234        sysbus_init_child_obj(obj, "wdt[*]", OBJECT(&s->wdt[i]),
 235                              sizeof(s->wdt[i]), TYPE_ASPEED_WDT);
 236        qdev_prop_set_uint32(DEVICE(&s->wdt[i]), "silicon-rev",
 237                                    sc->info->silicon_rev);
 238        object_property_add_const_link(OBJECT(&s->wdt[i]), "scu",
 239                                       OBJECT(&s->scu), &error_abort);
 240    }
 241
 242    for (i = 0; i < ASPEED_MACS_NUM; i++) {
 243        sysbus_init_child_obj(obj, "ftgmac100[*]", OBJECT(&s->ftgmac100[i]),
 244                              sizeof(s->ftgmac100[i]), TYPE_FTGMAC100);
 245    }
 246
 247    sysbus_init_child_obj(obj, "xdma", OBJECT(&s->xdma), sizeof(s->xdma),
 248                          TYPE_ASPEED_XDMA);
 249}
 250
 251static void aspeed_soc_realize(DeviceState *dev, Error **errp)
 252{
 253    int i;
 254    AspeedSoCState *s = ASPEED_SOC(dev);
 255    AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
 256    Error *err = NULL, *local_err = NULL;
 257
 258    /* IO space */
 259    create_unimplemented_device("aspeed_soc.io", sc->info->memmap[ASPEED_IOMEM],
 260                                ASPEED_SOC_IOMEM_SIZE);
 261
 262    if (s->num_cpus > sc->info->num_cpus) {
 263        warn_report("%s: invalid number of CPUs %d, using default %d",
 264                    sc->info->name, s->num_cpus, sc->info->num_cpus);
 265        s->num_cpus = sc->info->num_cpus;
 266    }
 267
 268    /* CPU */
 269    for (i = 0; i < s->num_cpus; i++) {
 270        object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
 271        if (err) {
 272            error_propagate(errp, err);
 273            return;
 274        }
 275    }
 276
 277    /* SRAM */
 278    memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
 279                           sc->info->sram_size, &err);
 280    if (err) {
 281        error_propagate(errp, err);
 282        return;
 283    }
 284    memory_region_add_subregion(get_system_memory(),
 285                                sc->info->memmap[ASPEED_SRAM], &s->sram);
 286
 287    /* SCU */
 288    object_property_set_bool(OBJECT(&s->scu), true, "realized", &err);
 289    if (err) {
 290        error_propagate(errp, err);
 291        return;
 292    }
 293    sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->info->memmap[ASPEED_SCU]);
 294
 295    /* VIC */
 296    object_property_set_bool(OBJECT(&s->vic), true, "realized", &err);
 297    if (err) {
 298        error_propagate(errp, err);
 299        return;
 300    }
 301    sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, sc->info->memmap[ASPEED_VIC]);
 302    sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 0,
 303                       qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
 304    sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 1,
 305                       qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
 306
 307    /* RTC */
 308    object_property_set_bool(OBJECT(&s->rtc), true, "realized", &err);
 309    if (err) {
 310        error_propagate(errp, err);
 311        return;
 312    }
 313    sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->info->memmap[ASPEED_RTC]);
 314    sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
 315                       aspeed_soc_get_irq(s, ASPEED_RTC));
 316
 317    /* Timer */
 318    object_property_set_bool(OBJECT(&s->timerctrl), true, "realized", &err);
 319    if (err) {
 320        error_propagate(errp, err);
 321        return;
 322    }
 323    sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0,
 324                    sc->info->memmap[ASPEED_TIMER1]);
 325    for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
 326        qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_TIMER1 + i);
 327        sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
 328    }
 329
 330    /* UART - attach an 8250 to the IO space as our UART5 */
 331    if (serial_hd(0)) {
 332        qemu_irq uart5 = aspeed_soc_get_irq(s, ASPEED_UART5);
 333        serial_mm_init(get_system_memory(), sc->info->memmap[ASPEED_UART5], 2,
 334                       uart5, 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
 335    }
 336
 337    /* I2C */
 338    object_property_set_bool(OBJECT(&s->i2c), true, "realized", &err);
 339    if (err) {
 340        error_propagate(errp, err);
 341        return;
 342    }
 343    sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->info->memmap[ASPEED_I2C]);
 344    sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), 0,
 345                       aspeed_soc_get_irq(s, ASPEED_I2C));
 346
 347    /* FMC, The number of CS is set at the board level */
 348    object_property_set_int(OBJECT(&s->fmc), sc->info->memmap[ASPEED_SDRAM],
 349                            "sdram-base", &err);
 350    if (err) {
 351        error_propagate(errp, err);
 352        return;
 353    }
 354    object_property_set_bool(OBJECT(&s->fmc), true, "realized", &err);
 355    if (err) {
 356        error_propagate(errp, err);
 357        return;
 358    }
 359    sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->info->memmap[ASPEED_FMC]);
 360    sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
 361                    s->fmc.ctrl->flash_window_base);
 362    sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
 363                       aspeed_soc_get_irq(s, ASPEED_FMC));
 364
 365    /* SPI */
 366    for (i = 0; i < sc->info->spis_num; i++) {
 367        object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err);
 368        object_property_set_bool(OBJECT(&s->spi[i]), true, "realized",
 369                                 &local_err);
 370        error_propagate(&err, local_err);
 371        if (err) {
 372            error_propagate(errp, err);
 373            return;
 374        }
 375        sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0,
 376                        sc->info->memmap[ASPEED_SPI1 + i]);
 377        sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
 378                        s->spi[i].ctrl->flash_window_base);
 379    }
 380
 381    /* SDMC - SDRAM Memory Controller */
 382    object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err);
 383    if (err) {
 384        error_propagate(errp, err);
 385        return;
 386    }
 387    sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->info->memmap[ASPEED_SDMC]);
 388
 389    /* Watch dog */
 390    for (i = 0; i < sc->info->wdts_num; i++) {
 391        object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err);
 392        if (err) {
 393            error_propagate(errp, err);
 394            return;
 395        }
 396        sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
 397                        sc->info->memmap[ASPEED_WDT] + i * 0x20);
 398    }
 399
 400    /* Net */
 401    for (i = 0; i < nb_nics; i++) {
 402        qdev_set_nic_properties(DEVICE(&s->ftgmac100[i]), &nd_table[i]);
 403        object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "aspeed",
 404                                 &err);
 405        object_property_set_bool(OBJECT(&s->ftgmac100[i]), true, "realized",
 406                                 &local_err);
 407        error_propagate(&err, local_err);
 408        if (err) {
 409            error_propagate(errp, err);
 410           return;
 411        }
 412        sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
 413                        sc->info->memmap[ASPEED_ETH1 + i]);
 414        sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
 415                           aspeed_soc_get_irq(s, ASPEED_ETH1 + i));
 416    }
 417
 418    /* XDMA */
 419    object_property_set_bool(OBJECT(&s->xdma), true, "realized", &err);
 420    if (err) {
 421        error_propagate(errp, err);
 422        return;
 423    }
 424    sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0,
 425                    sc->info->memmap[ASPEED_XDMA]);
 426    sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
 427                       aspeed_soc_get_irq(s, ASPEED_XDMA));
 428}
 429static Property aspeed_soc_properties[] = {
 430    DEFINE_PROP_UINT32("num-cpus", AspeedSoCState, num_cpus, 0),
 431    DEFINE_PROP_END_OF_LIST(),
 432};
 433
 434static void aspeed_soc_class_init(ObjectClass *oc, void *data)
 435{
 436    DeviceClass *dc = DEVICE_CLASS(oc);
 437    AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
 438
 439    sc->info = (AspeedSoCInfo *) data;
 440    dc->realize = aspeed_soc_realize;
 441    /* Reason: Uses serial_hds and nd_table in realize() directly */
 442    dc->user_creatable = false;
 443    dc->props = aspeed_soc_properties;
 444}
 445
 446static const TypeInfo aspeed_soc_type_info = {
 447    .name           = TYPE_ASPEED_SOC,
 448    .parent         = TYPE_DEVICE,
 449    .instance_init  = aspeed_soc_init,
 450    .instance_size  = sizeof(AspeedSoCState),
 451    .class_size     = sizeof(AspeedSoCClass),
 452    .abstract       = true,
 453};
 454
 455static void aspeed_soc_register_types(void)
 456{
 457    int i;
 458
 459    type_register_static(&aspeed_soc_type_info);
 460    for (i = 0; i < ARRAY_SIZE(aspeed_socs); ++i) {
 461        TypeInfo ti = {
 462            .name       = aspeed_socs[i].name,
 463            .parent     = TYPE_ASPEED_SOC,
 464            .class_init = aspeed_soc_class_init,
 465            .class_data = (void *) &aspeed_socs[i],
 466        };
 467        type_register(&ti);
 468    }
 469}
 470
 471type_init(aspeed_soc_register_types)
 472