hw/arm/xlnx-ep108.c

   1 /*
   2  * Xilinx ZynqMP EP108 board
   3  *
   4  * Copyright (C) 2015 Xilinx Inc
   5  * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15  * for more details.
  16  */
  17
  18 #include "qemu/osdep.h"
  19 #include "qapi/error.h"
  20 #include "qemu-common.h"
  21 #include "cpu.h"
  22 #include "hw/arm/xlnx-zynqmp.h"
  23 #include "hw/boards.h"
  24 #include "qemu/error-report.h"
  25 #include "exec/address-spaces.h"
  26 #include "qemu/log.h"
  27
  28 typedef struct XlnxEP108 {
  29     XlnxZynqMPState soc;
  30     MemoryRegion ddr_ram;
  31 } XlnxEP108;
  32
  33 static struct arm_boot_info xlnx_ep108_binfo;
  34
  35 static void xlnx_ep108_init(MachineState *machine)
  36 {
  37     XlnxEP108 *s = g_new0(XlnxEP108, 1);
  38     int i;
  39     uint64_t ram_size = machine->ram_size;
  40
  41     /* Create the memory region to pass to the SoC */
  42     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
  43         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
  44                      "0x%llx", ram_size,
  45                      XLNX_ZYNQMP_MAX_RAM_SIZE);
  46         exit(1);
  47     }
  48
  49     if (ram_size < 0x08000000) {
  50         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for EP108",
  51                  ram_size);
  52     }
  53
  54     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
  55                                          ram_size);
  56
  57     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
  58     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
  59                               &error_abort);
  60
  61     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
  62                          "ddr-ram", &error_abort);
  63
  64     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
  65
  66     /* Create and plug in the SD cards */
  67     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
  68         BusState *bus;
  69         DriveInfo *di = drive_get_next(IF_SD);
  70         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
  71         DeviceState *carddev;
  72         char *bus_name;
  73
  74         bus_name = g_strdup_printf("sd-bus%d", i);
  75         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
  76         g_free(bus_name);
  77         if (!bus) {
  78             error_report("No SD bus found for SD card %d", i);
  79             exit(1);
  80         }
  81         carddev = qdev_create(bus, TYPE_SD_CARD);
  82         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
  83         object_property_set_bool(OBJECT(carddev), true, "realized",
  84                                  &error_fatal);
  85     }
  86
  87     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
  88         SSIBus *spi_bus;
  89         DeviceState *flash_dev;
  90         qemu_irq cs_line;
  91         DriveInfo *dinfo = drive_get_next(IF_MTD);
  92         gchar *bus_name = g_strdup_printf("spi%d", i);
  93
  94         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
  95         g_free(bus_name);
  96
  97         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
  98         if (dinfo) {
  99             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
 100                                 &error_fatal);
 101         }
 102         qdev_init_nofail(flash_dev);
 103
 104         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
 105
 106         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
 107     }
 108
 109     /* TODO create and connect IDE devices for ide_drive_get() */
 110
 111     xlnx_ep108_binfo.ram_size = ram_size;
 112     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
 113     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
 114     xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
 115     xlnx_ep108_binfo.loader_start = 0;
 116     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
 117 }
 118
 119 static void xlnx_ep108_machine_init(MachineClass *mc)
 120 {
 121     mc->desc = "Xilinx ZynqMP EP108 board";
 122     mc->init = xlnx_ep108_init;
 123     mc->block_default_type = IF_IDE;
 124     mc->units_per_default_bus = 1;
 125 }
 126
 127 DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)
 128
 129 static void xlnx_zcu102_machine_init(MachineClass *mc)
 130 {
 131     mc->desc = "Xilinx ZynqMP ZCU102 board";
 132     mc->init = xlnx_ep108_init;
 133     mc->block_default_type = IF_IDE;
 134     mc->units_per_default_bus = 1;
 135 }
 136
 137 DEFINE_MACHINE("xlnx-zcu102", xlnx_zcu102_machine_init)