xref: /openbmc/qemu/hw/arm/xlnx-zcu102.c (revision 98979cdc)
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 
28 typedef struct XlnxZCU102 {
29     MachineState parent_obj;
30 
31     XlnxZynqMPState soc;
32     MemoryRegion ddr_ram;
33 
34     bool secure;
35     bool virt;
36 } XlnxZCU102;
37 
38 #define TYPE_ZCU102_MACHINE   MACHINE_TYPE_NAME("xlnx-zcu102")
39 #define ZCU102_MACHINE(obj) \
40     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_ZCU102_MACHINE)
41 
42 #define TYPE_EP108_MACHINE   MACHINE_TYPE_NAME("xlnx-ep108")
43 #define EP108_MACHINE(obj) \
44     OBJECT_CHECK(XlnxZCU102, (obj), TYPE_EP108_MACHINE)
45 
46 static struct arm_boot_info xlnx_zcu102_binfo;
47 
48 static bool zcu102_get_secure(Object *obj, Error **errp)
49 {
50     XlnxZCU102 *s = ZCU102_MACHINE(obj);
51 
52     return s->secure;
53 }
54 
55 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
56 {
57     XlnxZCU102 *s = ZCU102_MACHINE(obj);
58 
59     s->secure = value;
60 }
61 
62 static bool zcu102_get_virt(Object *obj, Error **errp)
63 {
64     XlnxZCU102 *s = ZCU102_MACHINE(obj);
65 
66     return s->virt;
67 }
68 
69 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
70 {
71     XlnxZCU102 *s = ZCU102_MACHINE(obj);
72 
73     s->virt = value;
74 }
75 
76 static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState *machine)
77 {
78     int i;
79     uint64_t ram_size = machine->ram_size;
80 
81     /* Create the memory region to pass to the SoC */
82     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
83         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
84                      "0x%llx", ram_size,
85                      XLNX_ZYNQMP_MAX_RAM_SIZE);
86         exit(1);
87     }
88 
89     if (ram_size < 0x08000000) {
90         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
91                  ram_size);
92     }
93 
94     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
95                                          ram_size);
96 
97     object_initialize(&s->soc, sizeof(s->soc), TYPE_XLNX_ZYNQMP);
98     object_property_add_child(OBJECT(machine), "soc", OBJECT(&s->soc),
99                               &error_abort);
100 
101     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
102                          "ddr-ram", &error_abort);
103     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
104                              &error_fatal);
105     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
106                              &error_fatal);
107 
108     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
109 
110     /* Create and plug in the SD cards */
111     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
112         BusState *bus;
113         DriveInfo *di = drive_get_next(IF_SD);
114         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
115         DeviceState *carddev;
116         char *bus_name;
117 
118         bus_name = g_strdup_printf("sd-bus%d", i);
119         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
120         g_free(bus_name);
121         if (!bus) {
122             error_report("No SD bus found for SD card %d", i);
123             exit(1);
124         }
125         carddev = qdev_create(bus, TYPE_SD_CARD);
126         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
127         object_property_set_bool(OBJECT(carddev), true, "realized",
128                                  &error_fatal);
129     }
130 
131     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
132         SSIBus *spi_bus;
133         DeviceState *flash_dev;
134         qemu_irq cs_line;
135         DriveInfo *dinfo = drive_get_next(IF_MTD);
136         gchar *bus_name = g_strdup_printf("spi%d", i);
137 
138         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
139         g_free(bus_name);
140 
141         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
142         if (dinfo) {
143             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
144                                 &error_fatal);
145         }
146         qdev_init_nofail(flash_dev);
147 
148         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
149 
150         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
151     }
152 
153     /* TODO create and connect IDE devices for ide_drive_get() */
154 
155     xlnx_zcu102_binfo.ram_size = ram_size;
156     xlnx_zcu102_binfo.kernel_filename = machine->kernel_filename;
157     xlnx_zcu102_binfo.kernel_cmdline = machine->kernel_cmdline;
158     xlnx_zcu102_binfo.initrd_filename = machine->initrd_filename;
159     xlnx_zcu102_binfo.loader_start = 0;
160     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
161 }
162 
163 static void xlnx_ep108_init(MachineState *machine)
164 {
165     XlnxZCU102 *s = EP108_MACHINE(machine);
166 
167     xlnx_zynqmp_init(s, machine);
168 }
169 
170 static void xlnx_ep108_machine_instance_init(Object *obj)
171 {
172     XlnxZCU102 *s = EP108_MACHINE(obj);
173 
174     /* EP108, we don't support setting secure or virt */
175     s->secure = false;
176     s->virt = false;
177 }
178 
179 static void xlnx_ep108_machine_class_init(ObjectClass *oc, void *data)
180 {
181     MachineClass *mc = MACHINE_CLASS(oc);
182 
183     mc->desc = "Xilinx ZynqMP EP108 board (Deprecated, please use xlnx-zcu102)";
184     mc->init = xlnx_ep108_init;
185     mc->block_default_type = IF_IDE;
186     mc->units_per_default_bus = 1;
187     mc->ignore_memory_transaction_failures = true;
188 }
189 
190 static const TypeInfo xlnx_ep108_machine_init_typeinfo = {
191     .name       = MACHINE_TYPE_NAME("xlnx-ep108"),
192     .parent     = TYPE_MACHINE,
193     .class_init = xlnx_ep108_machine_class_init,
194     .instance_init = xlnx_ep108_machine_instance_init,
195     .instance_size = sizeof(XlnxZCU102),
196 };
197 
198 static void xlnx_ep108_machine_init_register_types(void)
199 {
200     type_register_static(&xlnx_ep108_machine_init_typeinfo);
201 }
202 
203 static void xlnx_zcu102_init(MachineState *machine)
204 {
205     XlnxZCU102 *s = ZCU102_MACHINE(machine);
206 
207     xlnx_zynqmp_init(s, machine);
208 }
209 
210 static void xlnx_zcu102_machine_instance_init(Object *obj)
211 {
212     XlnxZCU102 *s = ZCU102_MACHINE(obj);
213 
214     /* Default to secure mode being disabled */
215     s->secure = false;
216     object_property_add_bool(obj, "secure", zcu102_get_secure,
217                              zcu102_set_secure, NULL);
218     object_property_set_description(obj, "secure",
219                                     "Set on/off to enable/disable the ARM "
220                                     "Security Extensions (TrustZone)",
221                                     NULL);
222 
223     /* Default to virt (EL2) being disabled */
224     s->virt = false;
225     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
226                              zcu102_set_virt, NULL);
227     object_property_set_description(obj, "virtualization",
228                                     "Set on/off to enable/disable emulating a "
229                                     "guest CPU which implements the ARM "
230                                     "Virtualization Extensions",
231                                     NULL);
232 }
233 
234 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
235 {
236     MachineClass *mc = MACHINE_CLASS(oc);
237 
238     mc->desc = "Xilinx ZynqMP ZCU102 board";
239     mc->init = xlnx_zcu102_init;
240     mc->block_default_type = IF_IDE;
241     mc->units_per_default_bus = 1;
242     mc->ignore_memory_transaction_failures = true;
243 }
244 
245 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
246     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
247     .parent     = TYPE_MACHINE,
248     .class_init = xlnx_zcu102_machine_class_init,
249     .instance_init = xlnx_zcu102_machine_instance_init,
250     .instance_size = sizeof(XlnxZCU102),
251 };
252 
253 static void xlnx_zcu102_machine_init_register_types(void)
254 {
255     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
256 }
257 
258 type_init(xlnx_zcu102_machine_init_register_types)
259 type_init(xlnx_ep108_machine_init_register_types)
260