hw/arm/fsl-imx25.c

   1 /*
   2  * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
   3  *
   4  * i.MX25 SOC emulation.
   5  *
   6  * Based on hw/arm/xlnx-zynqmp.c
   7  *
   8  * Copyright (C) 2015 Xilinx Inc
   9  * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
  10  *
  11  *  This program is free software; you can redistribute it and/or modify it
  12  *  under the terms of the GNU General Public License as published by the
  13  *  Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful, but WITHOUT
  17  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  19  *  for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License along
  22  *  with this program; if not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #include "qemu/osdep.h"
  26 #include "qapi/error.h"
  27 #include "cpu.h"
  28 #include "hw/arm/fsl-imx25.h"
  29 #include "sysemu/sysemu.h"
  30 #include "exec/address-spaces.h"
  31 #include "hw/qdev-properties.h"
  32 #include "chardev/char.h"
  33
  34 #define IMX25_ESDHC_CAPABILITIES     0x07e20000
  35
  36 static void fsl_imx25_init(Object *obj)
  37 {
  38     FslIMX25State *s = FSL_IMX25(obj);
  39     int i;
  40
  41     object_initialize_child(obj, "cpu", &s->cpu, ARM_CPU_TYPE_NAME("arm926"));
  42
  43     object_initialize_child(obj, "avic", &s->avic, TYPE_IMX_AVIC);
  44
  45     object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX25_CCM);
  46
  47     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
  48         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_IMX_SERIAL);
  49     }
  50
  51     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
  52         object_initialize_child(obj, "gpt[*]", &s->gpt[i], TYPE_IMX25_GPT);
  53     }
  54
  55     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
  56         object_initialize_child(obj, "epit[*]", &s->epit[i], TYPE_IMX_EPIT);
  57     }
  58
  59     object_initialize_child(obj, "fec", &s->fec, TYPE_IMX_FEC);
  60
  61     object_initialize_child(obj, "rngc", &s->rngc, TYPE_IMX_RNGC);
  62
  63     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
  64         object_initialize_child(obj, "i2c[*]", &s->i2c[i], TYPE_IMX_I2C);
  65     }
  66
  67     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
  68         object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_IMX_GPIO);
  69     }
  70
  71     for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) {
  72         object_initialize_child(obj, "sdhc[*]", &s->esdhc[i], TYPE_IMX_USDHC);
  73     }
  74
  75     for (i = 0; i < FSL_IMX25_NUM_USBS; i++) {
  76         object_initialize_child(obj, "usb[*]", &s->usb[i], TYPE_CHIPIDEA);
  77     }
  78
  79     object_initialize_child(obj, "wdt", &s->wdt, TYPE_IMX2_WDT);
  80 }
  81
  82 static void fsl_imx25_realize(DeviceState *dev, Error **errp)
  83 {
  84     FslIMX25State *s = FSL_IMX25(dev);
  85     uint8_t i;
  86     Error *err = NULL;
  87
  88     if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
  89         return;
  90     }
  91
  92     if (!sysbus_realize(SYS_BUS_DEVICE(&s->avic), errp)) {
  93         return;
  94     }
  95     sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX25_AVIC_ADDR);
  96     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
  97                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
  98     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
  99                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
 100
 101     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), errp)) {
 102         return;
 103     }
 104     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX25_CCM_ADDR);
 105
 106     /* Initialize all UARTs */
 107     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
 108         static const struct {
 109             hwaddr addr;
 110             unsigned int irq;
 111         } serial_table[FSL_IMX25_NUM_UARTS] = {
 112             { FSL_IMX25_UART1_ADDR, FSL_IMX25_UART1_IRQ },
 113             { FSL_IMX25_UART2_ADDR, FSL_IMX25_UART2_IRQ },
 114             { FSL_IMX25_UART3_ADDR, FSL_IMX25_UART3_IRQ },
 115             { FSL_IMX25_UART4_ADDR, FSL_IMX25_UART4_IRQ },
 116             { FSL_IMX25_UART5_ADDR, FSL_IMX25_UART5_IRQ }
 117         };
 118
 119         qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
 120
 121         if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart[i]), errp)) {
 122             return;
 123         }
 124         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
 125         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 126                            qdev_get_gpio_in(DEVICE(&s->avic),
 127                                             serial_table[i].irq));
 128     }
 129
 130     /* Initialize all GPT timers */
 131     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
 132         static const struct {
 133             hwaddr addr;
 134             unsigned int irq;
 135         } gpt_table[FSL_IMX25_NUM_GPTS] = {
 136             { FSL_IMX25_GPT1_ADDR, FSL_IMX25_GPT1_IRQ },
 137             { FSL_IMX25_GPT2_ADDR, FSL_IMX25_GPT2_IRQ },
 138             { FSL_IMX25_GPT3_ADDR, FSL_IMX25_GPT3_IRQ },
 139             { FSL_IMX25_GPT4_ADDR, FSL_IMX25_GPT4_IRQ }
 140         };
 141
 142         s->gpt[i].ccm = IMX_CCM(&s->ccm);
 143
 144         if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpt[i]), errp)) {
 145             return;
 146         }
 147         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt[i]), 0, gpt_table[i].addr);
 148         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt[i]), 0,
 149                            qdev_get_gpio_in(DEVICE(&s->avic),
 150                                             gpt_table[i].irq));
 151     }
 152
 153     /* Initialize all EPIT timers */
 154     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
 155         static const struct {
 156             hwaddr addr;
 157             unsigned int irq;
 158         } epit_table[FSL_IMX25_NUM_EPITS] = {
 159             { FSL_IMX25_EPIT1_ADDR, FSL_IMX25_EPIT1_IRQ },
 160             { FSL_IMX25_EPIT2_ADDR, FSL_IMX25_EPIT2_IRQ }
 161         };
 162
 163         s->epit[i].ccm = IMX_CCM(&s->ccm);
 164
 165         if (!sysbus_realize(SYS_BUS_DEVICE(&s->epit[i]), errp)) {
 166             return;
 167         }
 168         sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
 169         sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
 170                            qdev_get_gpio_in(DEVICE(&s->avic),
 171                                             epit_table[i].irq));
 172     }
 173
 174     qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]);
 175
 176     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fec), errp)) {
 177         return;
 178     }
 179     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fec), 0, FSL_IMX25_FEC_ADDR);
 180     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fec), 0,
 181                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_FEC_IRQ));
 182
 183     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rngc), errp)) {
 184         return;
 185     }
 186     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rngc), 0, FSL_IMX25_RNGC_ADDR);
 187     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rngc), 0,
 188                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_RNGC_IRQ));
 189
 190     /* Initialize all I2C */
 191     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
 192         static const struct {
 193             hwaddr addr;
 194             unsigned int irq;
 195         } i2c_table[FSL_IMX25_NUM_I2CS] = {
 196             { FSL_IMX25_I2C1_ADDR, FSL_IMX25_I2C1_IRQ },
 197             { FSL_IMX25_I2C2_ADDR, FSL_IMX25_I2C2_IRQ },
 198             { FSL_IMX25_I2C3_ADDR, FSL_IMX25_I2C3_IRQ }
 199         };
 200
 201         if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) {
 202             return;
 203         }
 204         sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
 205         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
 206                            qdev_get_gpio_in(DEVICE(&s->avic),
 207                                             i2c_table[i].irq));
 208     }
 209
 210     /* Initialize all GPIOs */
 211     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
 212         static const struct {
 213             hwaddr addr;
 214             unsigned int irq;
 215         } gpio_table[FSL_IMX25_NUM_GPIOS] = {
 216             { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ },
 217             { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ },
 218             { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ },
 219             { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ }
 220         };
 221
 222         if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), errp)) {
 223             return;
 224         }
 225         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
 226         /* Connect GPIO IRQ to PIC */
 227         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
 228                            qdev_get_gpio_in(DEVICE(&s->avic),
 229                                             gpio_table[i].irq));
 230     }
 231
 232     /* Initialize all SDHC */
 233     for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) {
 234         static const struct {
 235             hwaddr addr;
 236             unsigned int irq;
 237         } esdhc_table[FSL_IMX25_NUM_ESDHCS] = {
 238             { FSL_IMX25_ESDHC1_ADDR, FSL_IMX25_ESDHC1_IRQ },
 239             { FSL_IMX25_ESDHC2_ADDR, FSL_IMX25_ESDHC2_IRQ },
 240         };
 241
 242         object_property_set_uint(OBJECT(&s->esdhc[i]), "sd-spec-version", 2,
 243                                  &error_abort);
 244         object_property_set_uint(OBJECT(&s->esdhc[i]), "capareg",
 245                                  IMX25_ESDHC_CAPABILITIES, &error_abort);
 246         object_property_set_uint(OBJECT(&s->esdhc[i]), "vendor",
 247                                  SDHCI_VENDOR_IMX, &error_abort);
 248         if (!sysbus_realize(SYS_BUS_DEVICE(&s->esdhc[i]), errp)) {
 249             return;
 250         }
 251         sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr);
 252         sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0,
 253                            qdev_get_gpio_in(DEVICE(&s->avic),
 254                                             esdhc_table[i].irq));
 255     }
 256
 257     /* USB */
 258     for (i = 0; i < FSL_IMX25_NUM_USBS; i++) {
 259         static const struct {
 260             hwaddr addr;
 261             unsigned int irq;
 262         } usb_table[FSL_IMX25_NUM_USBS] = {
 263             { FSL_IMX25_USB1_ADDR, FSL_IMX25_USB1_IRQ },
 264             { FSL_IMX25_USB2_ADDR, FSL_IMX25_USB2_IRQ },
 265         };
 266
 267         sysbus_realize(SYS_BUS_DEVICE(&s->usb[i]), &error_abort);
 268         sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0, usb_table[i].addr);
 269         sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0,
 270                            qdev_get_gpio_in(DEVICE(&s->avic),
 271                                             usb_table[i].irq));
 272     }
 273
 274     /* Watchdog */
 275     object_property_set_bool(OBJECT(&s->wdt), "pretimeout-support", true,
 276                              &error_abort);
 277     sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_abort);
 278     sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, FSL_IMX25_WDT_ADDR);
 279     sysbus_connect_irq(SYS_BUS_DEVICE(&s->wdt), 0,
 280                                       qdev_get_gpio_in(DEVICE(&s->avic),
 281                                                        FSL_IMX25_WDT_IRQ));
 282
 283     /* initialize 2 x 16 KB ROM */
 284     memory_region_init_rom(&s->rom[0], OBJECT(dev), "imx25.rom0",
 285                            FSL_IMX25_ROM0_SIZE, &err);
 286     if (err) {
 287         error_propagate(errp, err);
 288         return;
 289     }
 290     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR,
 291                                 &s->rom[0]);
 292     memory_region_init_rom(&s->rom[1], OBJECT(dev), "imx25.rom1",
 293                            FSL_IMX25_ROM1_SIZE, &err);
 294     if (err) {
 295         error_propagate(errp, err);
 296         return;
 297     }
 298     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR,
 299                                 &s->rom[1]);
 300
 301     /* initialize internal RAM (128 KB) */
 302     memory_region_init_ram(&s->iram, NULL, "imx25.iram", FSL_IMX25_IRAM_SIZE,
 303                            &err);
 304     if (err) {
 305         error_propagate(errp, err);
 306         return;
 307     }
 308     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR,
 309                                 &s->iram);
 310
 311     /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */
 312     memory_region_init_alias(&s->iram_alias, OBJECT(dev), "imx25.iram_alias",
 313                              &s->iram, 0, FSL_IMX25_IRAM_ALIAS_SIZE);
 314     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR,
 315                                 &s->iram_alias);
 316 }
 317
 318 static void fsl_imx25_class_init(ObjectClass *oc, void *data)
 319 {
 320     DeviceClass *dc = DEVICE_CLASS(oc);
 321
 322     dc->realize = fsl_imx25_realize;
 323     dc->desc = "i.MX25 SOC";
 324     /*
 325      * Reason: uses serial_hds in realize and the imx25 board does not
 326      * support multiple CPUs
 327      */
 328     dc->user_creatable = false;
 329 }
 330
 331 static const TypeInfo fsl_imx25_type_info = {
 332     .name = TYPE_FSL_IMX25,
 333     .parent = TYPE_DEVICE,
 334     .instance_size = sizeof(FslIMX25State),
 335     .instance_init = fsl_imx25_init,
 336     .class_init = fsl_imx25_class_init,
 337 };
 338
 339 static void fsl_imx25_register_types(void)
 340 {
 341     type_register_static(&fsl_imx25_type_info);
 342 }
 343
 344 type_init(fsl_imx25_register_types)