hw/arm/aspeed_soc.c

   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 "qemu-common.h"
  16 #include "cpu.h"
  17 #include "exec/address-spaces.h"
  18 #include "hw/arm/aspeed_soc.h"
  19 #include "hw/char/serial.h"
  20 #include "qemu/log.h"
  21 #include "hw/i2c/aspeed_i2c.h"
  22 #include "net/net.h"
  23
  24 #define ASPEED_SOC_UART_5_BASE      0x00184000
  25 #define ASPEED_SOC_IOMEM_SIZE       0x00200000
  26 #define ASPEED_SOC_IOMEM_BASE       0x1E600000
  27 #define ASPEED_SOC_FMC_BASE         0x1E620000
  28 #define ASPEED_SOC_SPI_BASE         0x1E630000
  29 #define ASPEED_SOC_SPI2_BASE        0x1E631000
  30 #define ASPEED_SOC_VIC_BASE         0x1E6C0000
  31 #define ASPEED_SOC_SDMC_BASE        0x1E6E0000
  32 #define ASPEED_SOC_SCU_BASE         0x1E6E2000
  33 #define ASPEED_SOC_SRAM_BASE        0x1E720000
  34 #define ASPEED_SOC_TIMER_BASE       0x1E782000
  35 #define ASPEED_SOC_WDT_BASE         0x1E785000
  36 #define ASPEED_SOC_I2C_BASE         0x1E78A000
  37 #define ASPEED_SOC_ETH1_BASE        0x1E660000
  38 #define ASPEED_SOC_ETH2_BASE        0x1E680000
  39
  40 static const int uart_irqs[] = { 9, 32, 33, 34, 10 };
  41 static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, };
  42
  43 #define AST2400_SDRAM_BASE       0x40000000
  44 #define AST2500_SDRAM_BASE       0x80000000
  45
  46 static const hwaddr aspeed_soc_ast2400_spi_bases[] = { ASPEED_SOC_SPI_BASE };
  47 static const char *aspeed_soc_ast2400_typenames[] = { "aspeed.smc.spi" };
  48
  49 static const hwaddr aspeed_soc_ast2500_spi_bases[] = { ASPEED_SOC_SPI_BASE,
  50                                                        ASPEED_SOC_SPI2_BASE};
  51 static const char *aspeed_soc_ast2500_typenames[] = {
  52     "aspeed.smc.ast2500-spi1", "aspeed.smc.ast2500-spi2" };
  53
  54 static const AspeedSoCInfo aspeed_socs[] = {
  55     {
  56         .name         = "ast2400-a0",
  57         .cpu_model    = "arm926",
  58         .silicon_rev  = AST2400_A0_SILICON_REV,
  59         .sdram_base   = AST2400_SDRAM_BASE,
  60         .sram_size    = 0x8000,
  61         .spis_num     = 1,
  62         .spi_bases    = aspeed_soc_ast2400_spi_bases,
  63         .fmc_typename = "aspeed.smc.fmc",
  64         .spi_typename = aspeed_soc_ast2400_typenames,
  65         .wdts_num     = 2,
  66     }, {
  67         .name         = "ast2400-a1",
  68         .cpu_model    = "arm926",
  69         .silicon_rev  = AST2400_A1_SILICON_REV,
  70         .sdram_base   = AST2400_SDRAM_BASE,
  71         .sram_size    = 0x8000,
  72         .spis_num     = 1,
  73         .spi_bases    = aspeed_soc_ast2400_spi_bases,
  74         .fmc_typename = "aspeed.smc.fmc",
  75         .spi_typename = aspeed_soc_ast2400_typenames,
  76         .wdts_num     = 2,
  77     }, {
  78         .name         = "ast2400",
  79         .cpu_model    = "arm926",
  80         .silicon_rev  = AST2400_A0_SILICON_REV,
  81         .sdram_base   = AST2400_SDRAM_BASE,
  82         .sram_size    = 0x8000,
  83         .spis_num     = 1,
  84         .spi_bases    = aspeed_soc_ast2400_spi_bases,
  85         .fmc_typename = "aspeed.smc.fmc",
  86         .spi_typename = aspeed_soc_ast2400_typenames,
  87         .wdts_num     = 2,
  88     }, {
  89         .name         = "ast2500-a1",
  90         .cpu_model    = "arm1176",
  91         .silicon_rev  = AST2500_A1_SILICON_REV,
  92         .sdram_base   = AST2500_SDRAM_BASE,
  93         .sram_size    = 0x9000,
  94         .spis_num     = 2,
  95         .spi_bases    = aspeed_soc_ast2500_spi_bases,
  96         .fmc_typename = "aspeed.smc.ast2500-fmc",
  97         .spi_typename = aspeed_soc_ast2500_typenames,
  98         .wdts_num     = 3,
  99     },
 100 };
 101
 102 /*
 103  * IO handlers: simply catch any reads/writes to IO addresses that aren't
 104  * handled by a device mapping.
 105  */
 106
 107 static uint64_t aspeed_soc_io_read(void *p, hwaddr offset, unsigned size)
 108 {
 109     qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " [%u]\n",
 110                   __func__, offset, size);
 111     return 0;
 112 }
 113
 114 static void aspeed_soc_io_write(void *opaque, hwaddr offset, uint64_t value,
 115                 unsigned size)
 116 {
 117     qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx " <- 0x%" PRIx64 " [%u]\n",
 118                   __func__, offset, value, size);
 119 }
 120
 121 static const MemoryRegionOps aspeed_soc_io_ops = {
 122     .read = aspeed_soc_io_read,
 123     .write = aspeed_soc_io_write,
 124     .endianness = DEVICE_LITTLE_ENDIAN,
 125 };
 126
 127 static void aspeed_soc_init(Object *obj)
 128 {
 129     AspeedSoCState *s = ASPEED_SOC(obj);
 130     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
 131     char *cpu_typename;
 132     int i;
 133
 134     cpu_typename = g_strdup_printf("%s-" TYPE_ARM_CPU, sc->info->cpu_model);
 135     object_initialize(&s->cpu, sizeof(s->cpu), cpu_typename);
 136     object_property_add_child(obj, "cpu", OBJECT(&s->cpu), NULL);
 137     g_free(cpu_typename);
 138
 139     object_initialize(&s->vic, sizeof(s->vic), TYPE_ASPEED_VIC);
 140     object_property_add_child(obj, "vic", OBJECT(&s->vic), NULL);
 141     qdev_set_parent_bus(DEVICE(&s->vic), sysbus_get_default());
 142
 143     object_initialize(&s->timerctrl, sizeof(s->timerctrl), TYPE_ASPEED_TIMER);
 144     object_property_add_child(obj, "timerctrl", OBJECT(&s->timerctrl), NULL);
 145     qdev_set_parent_bus(DEVICE(&s->timerctrl), sysbus_get_default());
 146
 147     object_initialize(&s->i2c, sizeof(s->i2c), TYPE_ASPEED_I2C);
 148     object_property_add_child(obj, "i2c", OBJECT(&s->i2c), NULL);
 149     qdev_set_parent_bus(DEVICE(&s->i2c), sysbus_get_default());
 150
 151     object_initialize(&s->scu, sizeof(s->scu), TYPE_ASPEED_SCU);
 152     object_property_add_child(obj, "scu", OBJECT(&s->scu), NULL);
 153     qdev_set_parent_bus(DEVICE(&s->scu), sysbus_get_default());
 154     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
 155                          sc->info->silicon_rev);
 156     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
 157                               "hw-strap1", &error_abort);
 158     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
 159                               "hw-strap2", &error_abort);
 160
 161     object_initialize(&s->fmc, sizeof(s->fmc), sc->info->fmc_typename);
 162     object_property_add_child(obj, "fmc", OBJECT(&s->fmc), NULL);
 163     qdev_set_parent_bus(DEVICE(&s->fmc), sysbus_get_default());
 164     object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs",
 165                               &error_abort);
 166
 167     for (i = 0; i < sc->info->spis_num; i++) {
 168         object_initialize(&s->spi[i], sizeof(s->spi[i]),
 169                           sc->info->spi_typename[i]);
 170         object_property_add_child(obj, "spi[*]", OBJECT(&s->spi[i]), NULL);
 171         qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
 172     }
 173
 174     object_initialize(&s->sdmc, sizeof(s->sdmc), TYPE_ASPEED_SDMC);
 175     object_property_add_child(obj, "sdmc", OBJECT(&s->sdmc), NULL);
 176     qdev_set_parent_bus(DEVICE(&s->sdmc), sysbus_get_default());
 177     qdev_prop_set_uint32(DEVICE(&s->sdmc), "silicon-rev",
 178                          sc->info->silicon_rev);
 179     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
 180                               "ram-size", &error_abort);
 181
 182     for (i = 0; i < sc->info->wdts_num; i++) {
 183         object_initialize(&s->wdt[i], sizeof(s->wdt[i]), TYPE_ASPEED_WDT);
 184         object_property_add_child(obj, "wdt[*]", OBJECT(&s->wdt[i]), NULL);
 185         qdev_set_parent_bus(DEVICE(&s->wdt[i]), sysbus_get_default());
 186     }
 187
 188     object_initialize(&s->ftgmac100, sizeof(s->ftgmac100), TYPE_FTGMAC100);
 189     object_property_add_child(obj, "ftgmac100", OBJECT(&s->ftgmac100), NULL);
 190     qdev_set_parent_bus(DEVICE(&s->ftgmac100), sysbus_get_default());
 191 }
 192
 193 static void aspeed_soc_realize(DeviceState *dev, Error **errp)
 194 {
 195     int i;
 196     AspeedSoCState *s = ASPEED_SOC(dev);
 197     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
 198     Error *err = NULL, *local_err = NULL;
 199
 200     /* IO space */
 201     memory_region_init_io(&s->iomem, NULL, &aspeed_soc_io_ops, NULL,
 202             "aspeed_soc.io", ASPEED_SOC_IOMEM_SIZE);
 203     memory_region_add_subregion_overlap(get_system_memory(),
 204                                         ASPEED_SOC_IOMEM_BASE, &s->iomem, -1);
 205
 206     /* CPU */
 207     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
 208     if (err) {
 209         error_propagate(errp, err);
 210         return;
 211     }
 212
 213     /* SRAM */
 214     memory_region_init_ram_nomigrate(&s->sram, OBJECT(dev), "aspeed.sram",
 215                            sc->info->sram_size, &err);
 216     if (err) {
 217         error_propagate(errp, err);
 218         return;
 219     }
 220     vmstate_register_ram_global(&s->sram);
 221     memory_region_add_subregion(get_system_memory(), ASPEED_SOC_SRAM_BASE,
 222                                 &s->sram);
 223
 224     /* VIC */
 225     object_property_set_bool(OBJECT(&s->vic), true, "realized", &err);
 226     if (err) {
 227         error_propagate(errp, err);
 228         return;
 229     }
 230     sysbus_mmio_map(SYS_BUS_DEVICE(&s->vic), 0, ASPEED_SOC_VIC_BASE);
 231     sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 0,
 232                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
 233     sysbus_connect_irq(SYS_BUS_DEVICE(&s->vic), 1,
 234                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
 235
 236     /* Timer */
 237     object_property_set_bool(OBJECT(&s->timerctrl), true, "realized", &err);
 238     if (err) {
 239         error_propagate(errp, err);
 240         return;
 241     }
 242     sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, ASPEED_SOC_TIMER_BASE);
 243     for (i = 0; i < ARRAY_SIZE(timer_irqs); i++) {
 244         qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->vic), timer_irqs[i]);
 245         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
 246     }
 247
 248     /* SCU */
 249     object_property_set_bool(OBJECT(&s->scu), true, "realized", &err);
 250     if (err) {
 251         error_propagate(errp, err);
 252         return;
 253     }
 254     sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, ASPEED_SOC_SCU_BASE);
 255
 256     /* UART - attach an 8250 to the IO space as our UART5 */
 257     if (serial_hds[0]) {
 258         qemu_irq uart5 = qdev_get_gpio_in(DEVICE(&s->vic), uart_irqs[4]);
 259         serial_mm_init(&s->iomem, ASPEED_SOC_UART_5_BASE, 2,
 260                        uart5, 38400, serial_hds[0], DEVICE_LITTLE_ENDIAN);
 261     }
 262
 263     /* I2C */
 264     object_property_set_bool(OBJECT(&s->i2c), true, "realized", &err);
 265     if (err) {
 266         error_propagate(errp, err);
 267         return;
 268     }
 269     sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, ASPEED_SOC_I2C_BASE);
 270     sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), 0,
 271                        qdev_get_gpio_in(DEVICE(&s->vic), 12));
 272
 273     /* FMC, The number of CS is set at the board level */
 274     object_property_set_bool(OBJECT(&s->fmc), true, "realized", &err);
 275     if (err) {
 276         error_propagate(errp, err);
 277         return;
 278     }
 279     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, ASPEED_SOC_FMC_BASE);
 280     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
 281                     s->fmc.ctrl->flash_window_base);
 282     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
 283                        qdev_get_gpio_in(DEVICE(&s->vic), 19));
 284
 285     /* SPI */
 286     for (i = 0; i < sc->info->spis_num; i++) {
 287         object_property_set_int(OBJECT(&s->spi[i]), 1, "num-cs", &err);
 288         object_property_set_bool(OBJECT(&s->spi[i]), true, "realized",
 289                                  &local_err);
 290         error_propagate(&err, local_err);
 291         if (err) {
 292             error_propagate(errp, err);
 293             return;
 294         }
 295         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, sc->info->spi_bases[i]);
 296         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
 297                         s->spi[i].ctrl->flash_window_base);
 298     }
 299
 300     /* SDMC - SDRAM Memory Controller */
 301     object_property_set_bool(OBJECT(&s->sdmc), true, "realized", &err);
 302     if (err) {
 303         error_propagate(errp, err);
 304         return;
 305     }
 306     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, ASPEED_SOC_SDMC_BASE);
 307
 308     /* Watch dog */
 309     for (i = 0; i < sc->info->wdts_num; i++) {
 310         object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized", &err);
 311         if (err) {
 312             error_propagate(errp, err);
 313             return;
 314         }
 315         sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
 316                         ASPEED_SOC_WDT_BASE + i * 0x20);
 317     }
 318
 319     /* Net */
 320     qdev_set_nic_properties(DEVICE(&s->ftgmac100), &nd_table[0]);
 321     object_property_set_bool(OBJECT(&s->ftgmac100), true, "aspeed", &err);
 322     object_property_set_bool(OBJECT(&s->ftgmac100), true, "realized",
 323                              &local_err);
 324     error_propagate(&err, local_err);
 325     if (err) {
 326         error_propagate(errp, err);
 327         return;
 328     }
 329     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100), 0, ASPEED_SOC_ETH1_BASE);
 330     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100), 0,
 331                        qdev_get_gpio_in(DEVICE(&s->vic), 2));
 332 }
 333
 334 static void aspeed_soc_class_init(ObjectClass *oc, void *data)
 335 {
 336     DeviceClass *dc = DEVICE_CLASS(oc);
 337     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
 338
 339     sc->info = (AspeedSoCInfo *) data;
 340     dc->realize = aspeed_soc_realize;
 341 }
 342
 343 static const TypeInfo aspeed_soc_type_info = {
 344     .name           = TYPE_ASPEED_SOC,
 345     .parent         = TYPE_DEVICE,
 346     .instance_init  = aspeed_soc_init,
 347     .instance_size  = sizeof(AspeedSoCState),
 348     .class_size     = sizeof(AspeedSoCClass),
 349     .abstract       = true,
 350 };
 351
 352 static void aspeed_soc_register_types(void)
 353 {
 354     int i;
 355
 356     type_register_static(&aspeed_soc_type_info);
 357     for (i = 0; i < ARRAY_SIZE(aspeed_socs); ++i) {
 358         TypeInfo ti = {
 359             .name       = aspeed_socs[i].name,
 360             .parent     = TYPE_ASPEED_SOC,
 361             .class_init = aspeed_soc_class_init,
 362             .class_data = (void *) &aspeed_socs[i],
 363         };
 364         type_register(&ti);
 365     }
 366 }
 367
 368 type_init(aspeed_soc_register_types)