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1 /*
2  * Xilinx ZynqMP EP108 board
3  *
4  * Copyright (C) 2015 Xilinx Inc
5  * Written by Peter Crosthwaite <[email protected]>
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     xlnx_ep108_binfo.ram_size = ram_size;
110     xlnx_ep108_binfo.kernel_filename = machine->kernel_filename;
111     xlnx_ep108_binfo.kernel_cmdline = machine->kernel_cmdline;
112     xlnx_ep108_binfo.initrd_filename = machine->initrd_filename;
113     xlnx_ep108_binfo.loader_start = 0;
114     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_ep108_binfo);
115 }
116
117 static void xlnx_ep108_machine_init(MachineClass *mc)
118 {
119     mc->desc = "Xilinx ZynqMP EP108 board";
120     mc->init = xlnx_ep108_init;
121 }
122
123 DEFINE_MACHINE("xlnx-ep108", xlnx_ep108_machine_init)
124
125 static void xlnx_zcu102_machine_init(MachineClass *mc)
126 {
127     mc->desc = "Xilinx ZynqMP ZCU102 board";
128     mc->init = xlnx_ep108_init;
129 }
130
131 DEFINE_MACHINE("xlnx-zcu102", xlnx_zcu102_machine_init)
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