summaryrefslogtreecommitdiff
path: root/hw/arm/xlnx-ep108.c
blob: 860780ab8bd4e18744eb25fac2ebf526a6b0e559 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * Xilinx ZynqMP EP108 board
 *
 * Copyright (C) 2015 Xilinx Inc
 * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 * for more details.
 */

#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
#include "hw/arm/xlnx-zynqmp.h"
#include "hw/boards.h"
#include "qemu/error-report.h"
#include "exec/address-spaces.h"
#include "qemu/log.h"

typedef struct XlnxEP108 {
    XlnxZynqMPState soc;
    MemoryRegion ddr_ram;
} XlnxEP108;

static struct arm_boot_info xlnx_ep108_binfo;

static void xlnx_ep108_init(MachineState *machine)
{
    XlnxEP108 *s = g_new0(XlnxEP108, 1);
    int i;
    uint64_t ram_size = machine->ram_size;

    /* Create the memory region to pass to the SoC */
    if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
        error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
                     "0x%llx", ram_size,
                     XLNX_ZYNQMP_MAX_RAM_SIZE);
        exit(1);
    }

    if (ram_size < 0x08000000) {
        qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for EP108",
                 ram_size);
    }

    memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
                                         ram_size);

    object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
    object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
                              &error_abort);

    object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
                         "ddr-ram", &error_abort);

    object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);

    /* Create and plug in the SD cards */
    for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
        BusState *bus;
        DriveInfo *di = drive_get_next(IF_SD);
        BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
        DeviceState *carddev;
        char *bus_name;

        bus_name = g_strdup_printf("sd-bus%d", i);
        bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
        g_free(bus_name);
        if (!bus) {
            error_report("No SD bus found for SD card %d", i);
            exit(1);
        }
        carddev = qdev_create(bus, TYPE_SD_CARD);
        qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
        object_property_set_bool(OBJECT(carddev), true, "realized",
                                 &error_fatal);
    }

    for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
        SSIBus *spi_bus;
        DeviceState *flash_dev;
        qemu_irq cs_line;
        DriveInfo *dinfo = drive_get_next(IF_MTD);
        gchar *bus_name = g_strdup_printf("spi%d", i);

        spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
        g_free(bus_name);

        flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
        if (dinfo) {
            qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
                                &error_fatal);
        }
        qdev_init_nofail(flash_dev);

        cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);

        sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
    }

    /* TODO create and connect IDE devices for ide_drive_get() */

    xlnx_ep108_binfo.ram_size = ram_size;
    xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
    xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
    xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
    xlnx_ep108_binfo.loader_start = 0;
    arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
}

static void xlnx_ep108_machine_init(MachineClass *mc)
{
    mc->desc = "Xilinx ZynqMP EP108 board";
    mc->init = xlnx_ep108_init;
    mc->block_default_type = IF_IDE;
    mc->units_per_default_bus = 1;
}

DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)

static void xlnx_zcu102_machine_init(MachineClass *mc)
{
    mc->desc = "Xilinx ZynqMP ZCU102 board";
    mc->init = xlnx_ep108_init;
    mc->block_default_type = IF_IDE;
    mc->units_per_default_bus = 1;
}

DEFINE_MACHINE("xlnx-zcu102", xlnx_zcu102_machine_init)