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 static void fsl_imx25_init(Object *obj)
  35 {
  36     FslIMX25State *s = FSL_IMX25(obj);
  37     int i;
  38
  39     object_initialize_child(obj, "cpu", &s->cpu, sizeof(s->cpu),
  40                             ARM_CPU_TYPE_NAME("arm926"),
  41                             &error_abort, NULL);
  42
  43     sysbus_init_child_obj(obj, "avic", &s->avic, sizeof(s->avic),
  44                           TYPE_IMX_AVIC);
  45
  46     sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX25_CCM);
  47
  48     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
  49         sysbus_init_child_obj(obj, "uart[*]", &s->uart[i], sizeof(s->uart[i]),
  50                               TYPE_IMX_SERIAL);
  51     }
  52
  53     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
  54         sysbus_init_child_obj(obj, "gpt[*]", &s->gpt[i], sizeof(s->gpt[i]),
  55                               TYPE_IMX25_GPT);
  56     }
  57
  58     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
  59         sysbus_init_child_obj(obj, "epit[*]", &s->epit[i], sizeof(s->epit[i]),
  60                               TYPE_IMX_EPIT);
  61     }
  62
  63     sysbus_init_child_obj(obj, "fec", &s->fec, sizeof(s->fec), TYPE_IMX_FEC);
  64
  65     sysbus_init_child_obj(obj, "rngc", &s->rngc, sizeof(s->rngc),
  66                           TYPE_IMX_RNGC);
  67
  68     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
  69         sysbus_init_child_obj(obj, "i2c[*]", &s->i2c[i], sizeof(s->i2c[i]),
  70                               TYPE_IMX_I2C);
  71     }
  72
  73     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
  74         sysbus_init_child_obj(obj, "gpio[*]", &s->gpio[i], sizeof(s->gpio[i]),
  75                               TYPE_IMX_GPIO);
  76     }
  77 }
  78
  79 static void fsl_imx25_realize(DeviceState *dev, Error **errp)
  80 {
  81     FslIMX25State *s = FSL_IMX25(dev);
  82     uint8_t i;
  83     Error *err = NULL;
  84
  85     object_property_set_bool(OBJECT(&s->cpu), true, "realized", &err);
  86     if (err) {
  87         error_propagate(errp, err);
  88         return;
  89     }
  90
  91     object_property_set_bool(OBJECT(&s->avic), true, "realized", &err);
  92     if (err) {
  93         error_propagate(errp, err);
  94         return;
  95     }
  96     sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX25_AVIC_ADDR);
  97     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
  98                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
  99     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
 100                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
 101
 102     object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err);
 103     if (err) {
 104         error_propagate(errp, err);
 105         return;
 106     }
 107     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX25_CCM_ADDR);
 108
 109     /* Initialize all UARTs */
 110     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
 111         static const struct {
 112             hwaddr addr;
 113             unsigned int irq;
 114         } serial_table[FSL_IMX25_NUM_UARTS] = {
 115             { FSL_IMX25_UART1_ADDR, FSL_IMX25_UART1_IRQ },
 116             { FSL_IMX25_UART2_ADDR, FSL_IMX25_UART2_IRQ },
 117             { FSL_IMX25_UART3_ADDR, FSL_IMX25_UART3_IRQ },
 118             { FSL_IMX25_UART4_ADDR, FSL_IMX25_UART4_IRQ },
 119             { FSL_IMX25_UART5_ADDR, FSL_IMX25_UART5_IRQ }
 120         };
 121
 122         qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
 123
 124         object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
 125         if (err) {
 126             error_propagate(errp, err);
 127             return;
 128         }
 129         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
 130         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
 131                            qdev_get_gpio_in(DEVICE(&s->avic),
 132                                             serial_table[i].irq));
 133     }
 134
 135     /* Initialize all GPT timers */
 136     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
 137         static const struct {
 138             hwaddr addr;
 139             unsigned int irq;
 140         } gpt_table[FSL_IMX25_NUM_GPTS] = {
 141             { FSL_IMX25_GPT1_ADDR, FSL_IMX25_GPT1_IRQ },
 142             { FSL_IMX25_GPT2_ADDR, FSL_IMX25_GPT2_IRQ },
 143             { FSL_IMX25_GPT3_ADDR, FSL_IMX25_GPT3_IRQ },
 144             { FSL_IMX25_GPT4_ADDR, FSL_IMX25_GPT4_IRQ }
 145         };
 146
 147         s->gpt[i].ccm = IMX_CCM(&s->ccm);
 148
 149         object_property_set_bool(OBJECT(&s->gpt[i]), true, "realized", &err);
 150         if (err) {
 151             error_propagate(errp, err);
 152             return;
 153         }
 154         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt[i]), 0, gpt_table[i].addr);
 155         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt[i]), 0,
 156                            qdev_get_gpio_in(DEVICE(&s->avic),
 157                                             gpt_table[i].irq));
 158     }
 159
 160     /* Initialize all EPIT timers */
 161     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
 162         static const struct {
 163             hwaddr addr;
 164             unsigned int irq;
 165         } epit_table[FSL_IMX25_NUM_EPITS] = {
 166             { FSL_IMX25_EPIT1_ADDR, FSL_IMX25_EPIT1_IRQ },
 167             { FSL_IMX25_EPIT2_ADDR, FSL_IMX25_EPIT2_IRQ }
 168         };
 169
 170         s->epit[i].ccm = IMX_CCM(&s->ccm);
 171
 172         object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err);
 173         if (err) {
 174             error_propagate(errp, err);
 175             return;
 176         }
 177         sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
 178         sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
 179                            qdev_get_gpio_in(DEVICE(&s->avic),
 180                                             epit_table[i].irq));
 181     }
 182
 183     qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]);
 184
 185     object_property_set_bool(OBJECT(&s->fec), true, "realized", &err);
 186     if (err) {
 187         error_propagate(errp, err);
 188         return;
 189     }
 190     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fec), 0, FSL_IMX25_FEC_ADDR);
 191     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fec), 0,
 192                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_FEC_IRQ));
 193
 194     object_property_set_bool(OBJECT(&s->rngc), true, "realized", &err);
 195     if (err) {
 196         error_propagate(errp, err);
 197         return;
 198     }
 199     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rngc), 0, FSL_IMX25_RNGC_ADDR);
 200     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rngc), 0,
 201                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_RNGC_IRQ));
 202
 203     /* Initialize all I2C */
 204     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
 205         static const struct {
 206             hwaddr addr;
 207             unsigned int irq;
 208         } i2c_table[FSL_IMX25_NUM_I2CS] = {
 209             { FSL_IMX25_I2C1_ADDR, FSL_IMX25_I2C1_IRQ },
 210             { FSL_IMX25_I2C2_ADDR, FSL_IMX25_I2C2_IRQ },
 211             { FSL_IMX25_I2C3_ADDR, FSL_IMX25_I2C3_IRQ }
 212         };
 213
 214         object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err);
 215         if (err) {
 216             error_propagate(errp, err);
 217             return;
 218         }
 219         sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
 220         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
 221                            qdev_get_gpio_in(DEVICE(&s->avic),
 222                                             i2c_table[i].irq));
 223     }
 224
 225     /* Initialize all GPIOs */
 226     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
 227         static const struct {
 228             hwaddr addr;
 229             unsigned int irq;
 230         } gpio_table[FSL_IMX25_NUM_GPIOS] = {
 231             { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ },
 232             { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ },
 233             { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ },
 234             { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ }
 235         };
 236
 237         object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err);
 238         if (err) {
 239             error_propagate(errp, err);
 240             return;
 241         }
 242         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
 243         /* Connect GPIO IRQ to PIC */
 244         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
 245                            qdev_get_gpio_in(DEVICE(&s->avic),
 246                                             gpio_table[i].irq));
 247     }
 248
 249     /* initialize 2 x 16 KB ROM */
 250     memory_region_init_rom(&s->rom[0], NULL,
 251                            "imx25.rom0", FSL_IMX25_ROM0_SIZE, &err);
 252     if (err) {
 253         error_propagate(errp, err);
 254         return;
 255     }
 256     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR,
 257                                 &s->rom[0]);
 258     memory_region_init_rom(&s->rom[1], NULL,
 259                            "imx25.rom1", FSL_IMX25_ROM1_SIZE, &err);
 260     if (err) {
 261         error_propagate(errp, err);
 262         return;
 263     }
 264     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR,
 265                                 &s->rom[1]);
 266
 267     /* initialize internal RAM (128 KB) */
 268     memory_region_init_ram(&s->iram, NULL, "imx25.iram", FSL_IMX25_IRAM_SIZE,
 269                            &err);
 270     if (err) {
 271         error_propagate(errp, err);
 272         return;
 273     }
 274     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR,
 275                                 &s->iram);
 276
 277     /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */
 278     memory_region_init_alias(&s->iram_alias, NULL, "imx25.iram_alias",
 279                              &s->iram, 0, FSL_IMX25_IRAM_ALIAS_SIZE);
 280     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR,
 281                                 &s->iram_alias);
 282 }
 283
 284 static void fsl_imx25_class_init(ObjectClass *oc, void *data)
 285 {
 286     DeviceClass *dc = DEVICE_CLASS(oc);
 287
 288     dc->realize = fsl_imx25_realize;
 289     dc->desc = "i.MX25 SOC";
 290     /*
 291      * Reason: uses serial_hds in realize and the imx25 board does not
 292      * support multiple CPUs
 293      */
 294     dc->user_creatable = false;
 295 }
 296
 297 static const TypeInfo fsl_imx25_type_info = {
 298     .name = TYPE_FSL_IMX25,
 299     .parent = TYPE_DEVICE,
 300     .instance_size = sizeof(FslIMX25State),
 301     .instance_init = fsl_imx25_init,
 302     .class_init = fsl_imx25_class_init,
 303 };
 304
 305 static void fsl_imx25_register_types(void)
 306 {
 307     type_register_static(&fsl_imx25_type_info);
 308 }
 309
 310 type_init(fsl_imx25_register_types)