xref: /openbmc/qemu/hw/arm/xlnx-zcu102.c (revision 0b84b662)
1 /*
2  * Xilinx ZynqMP ZCU102 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 "cpu.h"
21 #include "hw/arm/xlnx-zynqmp.h"
22 #include "hw/boards.h"
23 #include "qemu/error-report.h"
24 #include "qemu/log.h"
25 #include "sysemu/qtest.h"
26 
27 typedef struct XlnxZCU102 {
28     MachineState parent_obj;
29 
30     XlnxZynqMPState soc;
31     MemoryRegion ddr_ram;
32 
33     bool secure;
34     bool virt;
35 } XlnxZCU102;
36 
37 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
38 #define ZCU102_MACHINE(obj) \
39     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
40 
41 static struct arm_boot_info xlnx_zcu102_binfo;
42 
43 static bool zcu102_get_secure(Object *obj, Error **errp)
44 {
45     XlnxZCU102 *s = ZCU102_MACHINE(obj);
46 
47     return s->secure;
48 }
49 
50 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
51 {
52     XlnxZCU102 *s = ZCU102_MACHINE(obj);
53 
54     s->secure = value;
55 }
56 
57 static bool zcu102_get_virt(Object *obj, Error **errp)
58 {
59     XlnxZCU102 *s = ZCU102_MACHINE(obj);
60 
61     return s->virt;
62 }
63 
64 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
65 {
66     XlnxZCU102 *s = ZCU102_MACHINE(obj);
67 
68     s->virt = value;
69 }
70 
71 static void xlnx_zcu102_init(MachineState *machine)
72 {
73     XlnxZCU102 *s = ZCU102_MACHINE(machine);
74     int i;
75     uint64_t ram_size = machine->ram_size;
76 
77     /* Create the memory region to pass to the SoC */
78     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
79         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
80                      "0x%llx", ram_size,
81                      XLNX_ZYNQMP_MAX_RAM_SIZE);
82         exit(1);
83     }
84 
85     if (ram_size < 0x08000000) {
86         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
87                  ram_size);
88     }
89 
90     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
91                                          ram_size);
92 
93     object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
94                             TYPE_XLNX_ZYNQMP, &error_abort, NULL);
95 
96     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
97                          "ddr-ram", &error_abort);
98     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
99                              &error_fatal);
100     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
101                              &error_fatal);
102 
103     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
104 
105     /* Create and plug in the SD cards */
106     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
107         BusState *bus;
108         DriveInfo *di = drive_get_next(IF_SD);
109         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
110         DeviceState *carddev;
111         char *bus_name;
112 
113         bus_name = g_strdup_printf("sd-bus%d", i);
114         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
115         g_free(bus_name);
116         if (!bus) {
117             error_report("No SD bus found for SD card %d", i);
118             exit(1);
119         }
120         carddev = qdev_create(bus, TYPE_SD_CARD);
121         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
122         object_property_set_bool(OBJECT(carddev), true, "realized",
123                                  &error_fatal);
124     }
125 
126     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
127         SSIBus *spi_bus;
128         DeviceState *flash_dev;
129         qemu_irq cs_line;
130         DriveInfo *dinfo = drive_get_next(IF_MTD);
131         gchar *bus_name = g_strdup_printf("spi%d", i);
132 
133         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
134         g_free(bus_name);
135 
136         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
137         if (dinfo) {
138             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
139                                 &error_fatal);
140         }
141         qdev_init_nofail(flash_dev);
142 
143         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
144 
145         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
146     }
147 
148     for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
149         SSIBus *spi_bus;
150         DeviceState *flash_dev;
151         qemu_irq cs_line;
152         DriveInfo *dinfo = drive_get_next(IF_MTD);
153         int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
154         gchar *bus_name = g_strdup_printf("qspi%d", bus);
155 
156         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
157         g_free(bus_name);
158 
159         flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
160         if (dinfo) {
161             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
162                                 &error_fatal);
163         }
164         qdev_init_nofail(flash_dev);
165 
166         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
167 
168         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
169     }
170 
171     /* TODO create and connect IDE devices for ide_drive_get() */
172 
173     xlnx_zcu102_binfo.ram_size = ram_size;
174     xlnx_zcu102_binfo.loader_start = 0;
175     arm_load_kernel(s->soc.boot_cpu_ptr, machine, &xlnx_zcu102_binfo);
176 }
177 
178 static void xlnx_zcu102_machine_instance_init(Object *obj)
179 {
180     XlnxZCU102 *s = ZCU102_MACHINE(obj);
181 
182     /* Default to secure mode being disabled */
183     s->secure = false;
184     object_property_add_bool(obj, "secure", zcu102_get_secure,
185                              zcu102_set_secure, NULL);
186     object_property_set_description(obj, "secure",
187                                     "Set on/off to enable/disable the ARM "
188                                     "Security Extensions (TrustZone)",
189                                     NULL);
190 
191     /* Default to virt (EL2) being disabled */
192     s->virt = false;
193     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
194                              zcu102_set_virt, NULL);
195     object_property_set_description(obj, "virtualization",
196                                     "Set on/off to enable/disable emulating a "
197                                     "guest CPU which implements the ARM "
198                                     "Virtualization Extensions",
199                                     NULL);
200 }
201 
202 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
203 {
204     MachineClass *mc = MACHINE_CLASS(oc);
205 
206     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs based on " \
207                "the value of smp";
208     mc->init = xlnx_zcu102_init;
209     mc->block_default_type = IF_IDE;
210     mc->units_per_default_bus = 1;
211     mc->ignore_memory_transaction_failures = true;
212     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
213     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
214 }
215 
216 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
217     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
218     .parent     = TYPE_MACHINE,
219     .class_init = xlnx_zcu102_machine_class_init,
220     .instance_init = xlnx_zcu102_machine_instance_init,
221     .instance_size = sizeof(XlnxZCU102),
222 };
223 
224 static void xlnx_zcu102_machine_init_register_types(void)
225 {
226     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
227 }
228 
229 type_init(xlnx_zcu102_machine_init_register_types)
230