xref: /openbmc/qemu/hw/arm/xlnx-zcu102.c (revision 7f709ce7)
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 "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 #include "sysemu/qtest.h"
28 
29 typedef struct XlnxZCU102 {
30     MachineState parent_obj;
31 
32     XlnxZynqMPState soc;
33     MemoryRegion ddr_ram;
34 
35     bool secure;
36     bool virt;
37 } XlnxZCU102;
38 
39 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
40 #define ZCU102_MACHINE(obj) \
41     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
42 
43 #define TYPE_EP108_MACHINE   MACHINE_TYPE_NAME("xlnx-ep108")
44 #define EP108_MACHINE(obj) \
45     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_EP108_MACHINE)
46 
47 static struct arm_boot_info xlnx_zcu102_binfo;
48 
49 static bool zcu102_get_secure(Object *obj, Error **errp)
50 {
51     XlnxZCU102 *s = ZCU102_MACHINE(obj);
52 
53     return s->secure;
54 }
55 
56 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
57 {
58     XlnxZCU102 *s = ZCU102_MACHINE(obj);
59 
60     s->secure = value;
61 }
62 
63 static bool zcu102_get_virt(Object *obj, Error **errp)
64 {
65     XlnxZCU102 *s = ZCU102_MACHINE(obj);
66 
67     return s->virt;
68 }
69 
70 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
71 {
72     XlnxZCU102 *s = ZCU102_MACHINE(obj);
73 
74     s->virt = value;
75 }
76 
77 static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState *machine)
78 {
79     int i;
80     uint64_t ram_size = machine->ram_size;
81 
82     /* Create the memory region to pass to the SoC */
83     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
84         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
85                      "0x%llx", ram_size,
86                      XLNX_ZYNQMP_MAX_RAM_SIZE);
87         exit(1);
88     }
89 
90     if (ram_size < 0x08000000) {
91         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
92                  ram_size);
93     }
94 
95     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
96                                          ram_size);
97 
98     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
99     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
100                               &error_abort);
101 
102     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
103                          "ddr-ram", &error_abort);
104     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
105                              &error_fatal);
106     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
107                              &error_fatal);
108 
109     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
110 
111     /* Create and plug in the SD cards */
112     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
113         BusState *bus;
114         DriveInfo *di = drive_get_next(IF_SD);
115         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
116         DeviceState *carddev;
117         char *bus_name;
118 
119         bus_name = g_strdup_printf("sd-bus%d", i);
120         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
121         g_free(bus_name);
122         if (!bus) {
123             error_report("No SD bus found for SD card %d", i);
124             exit(1);
125         }
126         carddev = qdev_create(bus, TYPE_SD_CARD);
127         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
128         object_property_set_bool(OBJECT(carddev), true, "realized",
129                                  &error_fatal);
130     }
131 
132     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
133         SSIBus *spi_bus;
134         DeviceState *flash_dev;
135         qemu_irq cs_line;
136         DriveInfo *dinfo = drive_get_next(IF_MTD);
137         gchar *bus_name = g_strdup_printf("spi%d", i);
138 
139         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
140         g_free(bus_name);
141 
142         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
143         if (dinfo) {
144             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
145                                 &error_fatal);
146         }
147         qdev_init_nofail(flash_dev);
148 
149         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
150 
151         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
152     }
153 
154     /* TODO create and connect IDE devices for ide_drive_get() */
155 
156     xlnx_zcu102_binfo.ram_size = ram_size;
157     xlnx_zcu102_binfo.kernel_filename = machine->kernel_filename;
158     xlnx_zcu102_binfo.kernel_cmdline = machine->kernel_cmdline;
159     xlnx_zcu102_binfo.initrd_filename = machine->initrd_filename;
160     xlnx_zcu102_binfo.loader_start = 0;
161     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
162 }
163 
164 static void xlnx_ep108_init(MachineState *machine)
165 {
166     XlnxZCU102 *s = EP108_MACHINE(machine);
167 
168     if (!qtest_enabled()) {
169         info_report("The Xilinx EP108 machine is deprecated, please use the "
170                     "ZCU102 machine (which has the same features) instead.");
171     }
172 
173     xlnx_zynqmp_init(s, machine);
174 }
175 
176 static void xlnx_ep108_machine_instance_init(Object *obj)
177 {
178     XlnxZCU102 *s = EP108_MACHINE(obj);
179 
180     /* EP108, we don't support setting secure or virt */
181     s->secure = false;
182     s->virt = false;
183 }
184 
185 static void xlnx_ep108_machine_class_init(ObjectClass *oc, void *data)
186 {
187     MachineClass *mc = MACHINE_CLASS(oc);
188 
189     mc->desc = "Xilinx ZynqMP EP108 board (Deprecated, please use xlnx-zcu102)";
190     mc->init = xlnx_ep108_init;
191     mc->block_default_type = IF_IDE;
192     mc->units_per_default_bus = 1;
193     mc->ignore_memory_transaction_failures = true;
194     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
195     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
196 }
197 
198 static const TypeInfo xlnx_ep108_machine_init_typeinfo = {
199     .name       = MACHINE_TYPE_NAME("xlnx-ep108"),
200     .parent     = TYPE_MACHINE,
201     .class_init = xlnx_ep108_machine_class_init,
202     .instance_init = xlnx_ep108_machine_instance_init,
203     .instance_size = sizeof(XlnxZCU102),
204 };
205 
206 static void xlnx_ep108_machine_init_register_types(void)
207 {
208     type_register_static(&xlnx_ep108_machine_init_typeinfo);
209 }
210 
211 static void xlnx_zcu102_init(MachineState *machine)
212 {
213     XlnxZCU102 *s = ZCU102_MACHINE(machine);
214 
215     xlnx_zynqmp_init(s, machine);
216 }
217 
218 static void xlnx_zcu102_machine_instance_init(Object *obj)
219 {
220     XlnxZCU102 *s = ZCU102_MACHINE(obj);
221 
222     /* Default to secure mode being disabled */
223     s->secure = false;
224     object_property_add_bool(obj, "secure", zcu102_get_secure,
225                              zcu102_set_secure, NULL);
226     object_property_set_description(obj, "secure",
227                                     "Set on/off to enable/disable the ARM "
228                                     "Security Extensions (TrustZone)",
229                                     NULL);
230 
231     /* Default to virt (EL2) being disabled */
232     s->virt = false;
233     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
234                              zcu102_set_virt, NULL);
235     object_property_set_description(obj, "virtualization",
236                                     "Set on/off to enable/disable emulating a "
237                                     "guest CPU which implements the ARM "
238                                     "Virtualization Extensions",
239                                     NULL);
240 }
241 
242 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
243 {
244     MachineClass *mc = MACHINE_CLASS(oc);
245 
246     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5s based on " \
247                "the value of smp";
248     mc->init = xlnx_zcu102_init;
249     mc->block_default_type = IF_IDE;
250     mc->units_per_default_bus = 1;
251     mc->ignore_memory_transaction_failures = true;
252     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
253     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
254 }
255 
256 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
257     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
258     .parent     = TYPE_MACHINE,
259     .class_init = xlnx_zcu102_machine_class_init,
260     .instance_init = xlnx_zcu102_machine_instance_init,
261     .instance_size = sizeof(XlnxZCU102),
262 };
263 
264 static void xlnx_zcu102_machine_init_register_types(void)
265 {
266     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
267 }
268 
269 type_init(xlnx_zcu102_machine_init_register_types)
270 type_init(xlnx_ep108_machine_init_register_types)
271