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fsl-imx25.c (12646B)


      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 "hw/arm/fsl-imx25.h"
     28 #include "sysemu/sysemu.h"
     29 #include "hw/qdev-properties.h"
     30 #include "chardev/char.h"
     31 
     32 #define IMX25_ESDHC_CAPABILITIES     0x07e20000
     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, ARM_CPU_TYPE_NAME("arm926"));
     40 
     41     object_initialize_child(obj, "avic", &s->avic, TYPE_IMX_AVIC);
     42 
     43     object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX25_CCM);
     44 
     45     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
     46         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_IMX_SERIAL);
     47     }
     48 
     49     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
     50         object_initialize_child(obj, "gpt[*]", &s->gpt[i], TYPE_IMX25_GPT);
     51     }
     52 
     53     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
     54         object_initialize_child(obj, "epit[*]", &s->epit[i], TYPE_IMX_EPIT);
     55     }
     56 
     57     object_initialize_child(obj, "fec", &s->fec, TYPE_IMX_FEC);
     58 
     59     object_initialize_child(obj, "rngc", &s->rngc, TYPE_IMX_RNGC);
     60 
     61     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
     62         object_initialize_child(obj, "i2c[*]", &s->i2c[i], TYPE_IMX_I2C);
     63     }
     64 
     65     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
     66         object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_IMX_GPIO);
     67     }
     68 
     69     for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) {
     70         object_initialize_child(obj, "sdhc[*]", &s->esdhc[i], TYPE_IMX_USDHC);
     71     }
     72 
     73     for (i = 0; i < FSL_IMX25_NUM_USBS; i++) {
     74         object_initialize_child(obj, "usb[*]", &s->usb[i], TYPE_CHIPIDEA);
     75     }
     76 
     77     object_initialize_child(obj, "wdt", &s->wdt, TYPE_IMX2_WDT);
     78 }
     79 
     80 static void fsl_imx25_realize(DeviceState *dev, Error **errp)
     81 {
     82     FslIMX25State *s = FSL_IMX25(dev);
     83     uint8_t i;
     84     Error *err = NULL;
     85 
     86     if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) {
     87         return;
     88     }
     89 
     90     if (!sysbus_realize(SYS_BUS_DEVICE(&s->avic), errp)) {
     91         return;
     92     }
     93     sysbus_mmio_map(SYS_BUS_DEVICE(&s->avic), 0, FSL_IMX25_AVIC_ADDR);
     94     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 0,
     95                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_IRQ));
     96     sysbus_connect_irq(SYS_BUS_DEVICE(&s->avic), 1,
     97                        qdev_get_gpio_in(DEVICE(&s->cpu), ARM_CPU_FIQ));
     98 
     99     if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), errp)) {
    100         return;
    101     }
    102     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX25_CCM_ADDR);
    103 
    104     /* Initialize all UARTs */
    105     for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) {
    106         static const struct {
    107             hwaddr addr;
    108             unsigned int irq;
    109         } serial_table[FSL_IMX25_NUM_UARTS] = {
    110             { FSL_IMX25_UART1_ADDR, FSL_IMX25_UART1_IRQ },
    111             { FSL_IMX25_UART2_ADDR, FSL_IMX25_UART2_IRQ },
    112             { FSL_IMX25_UART3_ADDR, FSL_IMX25_UART3_IRQ },
    113             { FSL_IMX25_UART4_ADDR, FSL_IMX25_UART4_IRQ },
    114             { FSL_IMX25_UART5_ADDR, FSL_IMX25_UART5_IRQ }
    115         };
    116 
    117         qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
    118 
    119         if (!sysbus_realize(SYS_BUS_DEVICE(&s->uart[i]), errp)) {
    120             return;
    121         }
    122         sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
    123         sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
    124                            qdev_get_gpio_in(DEVICE(&s->avic),
    125                                             serial_table[i].irq));
    126     }
    127 
    128     /* Initialize all GPT timers */
    129     for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) {
    130         static const struct {
    131             hwaddr addr;
    132             unsigned int irq;
    133         } gpt_table[FSL_IMX25_NUM_GPTS] = {
    134             { FSL_IMX25_GPT1_ADDR, FSL_IMX25_GPT1_IRQ },
    135             { FSL_IMX25_GPT2_ADDR, FSL_IMX25_GPT2_IRQ },
    136             { FSL_IMX25_GPT3_ADDR, FSL_IMX25_GPT3_IRQ },
    137             { FSL_IMX25_GPT4_ADDR, FSL_IMX25_GPT4_IRQ }
    138         };
    139 
    140         s->gpt[i].ccm = IMX_CCM(&s->ccm);
    141 
    142         if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpt[i]), errp)) {
    143             return;
    144         }
    145         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt[i]), 0, gpt_table[i].addr);
    146         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt[i]), 0,
    147                            qdev_get_gpio_in(DEVICE(&s->avic),
    148                                             gpt_table[i].irq));
    149     }
    150 
    151     /* Initialize all EPIT timers */
    152     for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) {
    153         static const struct {
    154             hwaddr addr;
    155             unsigned int irq;
    156         } epit_table[FSL_IMX25_NUM_EPITS] = {
    157             { FSL_IMX25_EPIT1_ADDR, FSL_IMX25_EPIT1_IRQ },
    158             { FSL_IMX25_EPIT2_ADDR, FSL_IMX25_EPIT2_IRQ }
    159         };
    160 
    161         s->epit[i].ccm = IMX_CCM(&s->ccm);
    162 
    163         if (!sysbus_realize(SYS_BUS_DEVICE(&s->epit[i]), errp)) {
    164             return;
    165         }
    166         sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
    167         sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
    168                            qdev_get_gpio_in(DEVICE(&s->avic),
    169                                             epit_table[i].irq));
    170     }
    171 
    172     object_property_set_uint(OBJECT(&s->fec), "phy-num", s->phy_num, &err);
    173     qdev_set_nic_properties(DEVICE(&s->fec), &nd_table[0]);
    174 
    175     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fec), errp)) {
    176         return;
    177     }
    178     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fec), 0, FSL_IMX25_FEC_ADDR);
    179     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fec), 0,
    180                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_FEC_IRQ));
    181 
    182     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rngc), errp)) {
    183         return;
    184     }
    185     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rngc), 0, FSL_IMX25_RNGC_ADDR);
    186     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rngc), 0,
    187                        qdev_get_gpio_in(DEVICE(&s->avic), FSL_IMX25_RNGC_IRQ));
    188 
    189     /* Initialize all I2C */
    190     for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) {
    191         static const struct {
    192             hwaddr addr;
    193             unsigned int irq;
    194         } i2c_table[FSL_IMX25_NUM_I2CS] = {
    195             { FSL_IMX25_I2C1_ADDR, FSL_IMX25_I2C1_IRQ },
    196             { FSL_IMX25_I2C2_ADDR, FSL_IMX25_I2C2_IRQ },
    197             { FSL_IMX25_I2C3_ADDR, FSL_IMX25_I2C3_IRQ }
    198         };
    199 
    200         if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c[i]), errp)) {
    201             return;
    202         }
    203         sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
    204         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
    205                            qdev_get_gpio_in(DEVICE(&s->avic),
    206                                             i2c_table[i].irq));
    207     }
    208 
    209     /* Initialize all GPIOs */
    210     for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) {
    211         static const struct {
    212             hwaddr addr;
    213             unsigned int irq;
    214         } gpio_table[FSL_IMX25_NUM_GPIOS] = {
    215             { FSL_IMX25_GPIO1_ADDR, FSL_IMX25_GPIO1_IRQ },
    216             { FSL_IMX25_GPIO2_ADDR, FSL_IMX25_GPIO2_IRQ },
    217             { FSL_IMX25_GPIO3_ADDR, FSL_IMX25_GPIO3_IRQ },
    218             { FSL_IMX25_GPIO4_ADDR, FSL_IMX25_GPIO4_IRQ }
    219         };
    220 
    221         if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), errp)) {
    222             return;
    223         }
    224         sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
    225         /* Connect GPIO IRQ to PIC */
    226         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
    227                            qdev_get_gpio_in(DEVICE(&s->avic),
    228                                             gpio_table[i].irq));
    229     }
    230 
    231     /* Initialize all SDHC */
    232     for (i = 0; i < FSL_IMX25_NUM_ESDHCS; i++) {
    233         static const struct {
    234             hwaddr addr;
    235             unsigned int irq;
    236         } esdhc_table[FSL_IMX25_NUM_ESDHCS] = {
    237             { FSL_IMX25_ESDHC1_ADDR, FSL_IMX25_ESDHC1_IRQ },
    238             { FSL_IMX25_ESDHC2_ADDR, FSL_IMX25_ESDHC2_IRQ },
    239         };
    240 
    241         object_property_set_uint(OBJECT(&s->esdhc[i]), "sd-spec-version", 2,
    242                                  &error_abort);
    243         object_property_set_uint(OBJECT(&s->esdhc[i]), "capareg",
    244                                  IMX25_ESDHC_CAPABILITIES, &error_abort);
    245         object_property_set_uint(OBJECT(&s->esdhc[i]), "vendor",
    246                                  SDHCI_VENDOR_IMX, &error_abort);
    247         if (!sysbus_realize(SYS_BUS_DEVICE(&s->esdhc[i]), errp)) {
    248             return;
    249         }
    250         sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr);
    251         sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0,
    252                            qdev_get_gpio_in(DEVICE(&s->avic),
    253                                             esdhc_table[i].irq));
    254     }
    255 
    256     /* USB */
    257     for (i = 0; i < FSL_IMX25_NUM_USBS; i++) {
    258         static const struct {
    259             hwaddr addr;
    260             unsigned int irq;
    261         } usb_table[FSL_IMX25_NUM_USBS] = {
    262             { FSL_IMX25_USB1_ADDR, FSL_IMX25_USB1_IRQ },
    263             { FSL_IMX25_USB2_ADDR, FSL_IMX25_USB2_IRQ },
    264         };
    265 
    266         sysbus_realize(SYS_BUS_DEVICE(&s->usb[i]), &error_abort);
    267         sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0, usb_table[i].addr);
    268         sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0,
    269                            qdev_get_gpio_in(DEVICE(&s->avic),
    270                                             usb_table[i].irq));
    271     }
    272 
    273     /* Watchdog */
    274     object_property_set_bool(OBJECT(&s->wdt), "pretimeout-support", true,
    275                              &error_abort);
    276     sysbus_realize(SYS_BUS_DEVICE(&s->wdt), &error_abort);
    277     sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, FSL_IMX25_WDT_ADDR);
    278     sysbus_connect_irq(SYS_BUS_DEVICE(&s->wdt), 0,
    279                                       qdev_get_gpio_in(DEVICE(&s->avic),
    280                                                        FSL_IMX25_WDT_IRQ));
    281 
    282     /* initialize 2 x 16 KB ROM */
    283     memory_region_init_rom(&s->rom[0], OBJECT(dev), "imx25.rom0",
    284                            FSL_IMX25_ROM0_SIZE, &err);
    285     if (err) {
    286         error_propagate(errp, err);
    287         return;
    288     }
    289     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM0_ADDR,
    290                                 &s->rom[0]);
    291     memory_region_init_rom(&s->rom[1], OBJECT(dev), "imx25.rom1",
    292                            FSL_IMX25_ROM1_SIZE, &err);
    293     if (err) {
    294         error_propagate(errp, err);
    295         return;
    296     }
    297     memory_region_add_subregion(get_system_memory(), FSL_IMX25_ROM1_ADDR,
    298                                 &s->rom[1]);
    299 
    300     /* initialize internal RAM (128 KB) */
    301     memory_region_init_ram(&s->iram, NULL, "imx25.iram", FSL_IMX25_IRAM_SIZE,
    302                            &err);
    303     if (err) {
    304         error_propagate(errp, err);
    305         return;
    306     }
    307     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ADDR,
    308                                 &s->iram);
    309 
    310     /* internal RAM (128 KB) is aliased over 128 MB - 128 KB */
    311     memory_region_init_alias(&s->iram_alias, OBJECT(dev), "imx25.iram_alias",
    312                              &s->iram, 0, FSL_IMX25_IRAM_ALIAS_SIZE);
    313     memory_region_add_subregion(get_system_memory(), FSL_IMX25_IRAM_ALIAS_ADDR,
    314                                 &s->iram_alias);
    315 }
    316 
    317 static Property fsl_imx25_properties[] = {
    318     DEFINE_PROP_UINT32("fec-phy-num", FslIMX25State, phy_num, 0),
    319     DEFINE_PROP_END_OF_LIST(),
    320 };
    321 
    322 static void fsl_imx25_class_init(ObjectClass *oc, void *data)
    323 {
    324     DeviceClass *dc = DEVICE_CLASS(oc);
    325 
    326     device_class_set_props(dc, fsl_imx25_properties);
    327     dc->realize = fsl_imx25_realize;
    328     dc->desc = "i.MX25 SOC";
    329     /*
    330      * Reason: uses serial_hds in realize and the imx25 board does not
    331      * support multiple CPUs
    332      */
    333     dc->user_creatable = false;
    334 }
    335 
    336 static const TypeInfo fsl_imx25_type_info = {
    337     .name = TYPE_FSL_IMX25,
    338     .parent = TYPE_DEVICE,
    339     .instance_size = sizeof(FslIMX25State),
    340     .instance_init = fsl_imx25_init,
    341     .class_init = fsl_imx25_class_init,
    342 };
    343 
    344 static void fsl_imx25_register_types(void)
    345 {
    346     type_register_static(&fsl_imx25_type_info);
    347 }
    348 
    349 type_init(fsl_imx25_register_types)