xref: /openbmc/qemu/hw/arm/xlnx-zcu102.c (revision 99d423e5)
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 "qemu/log.h"
26 #include "sysemu/qtest.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 static struct arm_boot_info xlnx_zcu102_binfo;
43 
44 static bool zcu102_get_secure(Object *obj, Error **errp)
45 {
46     XlnxZCU102 *s = ZCU102_MACHINE(obj);
47 
48     return s->secure;
49 }
50 
51 static void zcu102_set_secure(Object *obj, bool value, Error **errp)
52 {
53     XlnxZCU102 *s = ZCU102_MACHINE(obj);
54 
55     s->secure = value;
56 }
57 
58 static bool zcu102_get_virt(Object *obj, Error **errp)
59 {
60     XlnxZCU102 *s = ZCU102_MACHINE(obj);
61 
62     return s->virt;
63 }
64 
65 static void zcu102_set_virt(Object *obj, bool value, Error **errp)
66 {
67     XlnxZCU102 *s = ZCU102_MACHINE(obj);
68 
69     s->virt = value;
70 }
71 
72 static void xlnx_zcu102_init(MachineState *machine)
73 {
74     XlnxZCU102 *s = ZCU102_MACHINE(machine);
75     int i;
76     uint64_t ram_size = machine->ram_size;
77 
78     /* Create the memory region to pass to the SoC */
79     if (ram_size > XLNX_ZYNQMP_MAX_RAM_SIZE) {
80         error_report("ERROR: RAM size 0x%" PRIx64 " above max supported of "
81                      "0x%llx", ram_size,
82                      XLNX_ZYNQMP_MAX_RAM_SIZE);
83         exit(1);
84     }
85 
86     if (ram_size < 0x08000000) {
87         qemu_log("WARNING: RAM size 0x%" PRIx64 " is small for ZCU102",
88                  ram_size);
89     }
90 
91     memory_region_allocate_system_memory(&s->ddr_ram, NULL, "ddr-ram",
92                                          ram_size);
93 
94     object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
95                             TYPE_XLNX_ZYNQMP, &error_abort, NULL);
96 
97     object_property_set_link(OBJECT(&s->soc), OBJECT(&s->ddr_ram),
98                          "ddr-ram", &error_abort);
99     object_property_set_bool(OBJECT(&s->soc), s->secure, "secure",
100                              &error_fatal);
101     object_property_set_bool(OBJECT(&s->soc), s->virt, "virtualization",
102                              &error_fatal);
103 
104     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
105 
106     /* Create and plug in the SD cards */
107     for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
108         BusState *bus;
109         DriveInfo *di = drive_get_next(IF_SD);
110         BlockBackend *blk = di ? blk_by_legacy_dinfo(di) : NULL;
111         DeviceState *carddev;
112         char *bus_name;
113 
114         bus_name = g_strdup_printf("sd-bus%d", i);
115         bus = qdev_get_child_bus(DEVICE(&s->soc), bus_name);
116         g_free(bus_name);
117         if (!bus) {
118             error_report("No SD bus found for SD card %d", i);
119             exit(1);
120         }
121         carddev = qdev_create(bus, TYPE_SD_CARD);
122         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
123         object_property_set_bool(OBJECT(carddev), true, "realized",
124                                  &error_fatal);
125     }
126 
127     for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
128         SSIBus *spi_bus;
129         DeviceState *flash_dev;
130         qemu_irq cs_line;
131         DriveInfo *dinfo = drive_get_next(IF_MTD);
132         gchar *bus_name = g_strdup_printf("spi%d", i);
133 
134         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
135         g_free(bus_name);
136 
137         flash_dev = ssi_create_slave_no_init(spi_bus, "sst25wf080");
138         if (dinfo) {
139             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
140                                 &error_fatal);
141         }
142         qdev_init_nofail(flash_dev);
143 
144         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
145 
146         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
147     }
148 
149     for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
150         SSIBus *spi_bus;
151         DeviceState *flash_dev;
152         qemu_irq cs_line;
153         DriveInfo *dinfo = drive_get_next(IF_MTD);
154         int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
155         gchar *bus_name = g_strdup_printf("qspi%d", bus);
156 
157         spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
158         g_free(bus_name);
159 
160         flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
161         if (dinfo) {
162             qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
163                                 &error_fatal);
164         }
165         qdev_init_nofail(flash_dev);
166 
167         cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
168 
169         sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
170     }
171 
172     /* TODO create and connect IDE devices for ide_drive_get() */
173 
174     xlnx_zcu102_binfo.ram_size = ram_size;
175     xlnx_zcu102_binfo.kernel_filename = machine->kernel_filename;
176     xlnx_zcu102_binfo.kernel_cmdline = machine->kernel_cmdline;
177     xlnx_zcu102_binfo.initrd_filename = machine->initrd_filename;
178     xlnx_zcu102_binfo.loader_start = 0;
179     arm_load_kernel(s->soc.boot_cpu_ptr, &xlnx_zcu102_binfo);
180 }
181 
182 static void xlnx_zcu102_machine_instance_init(Object *obj)
183 {
184     XlnxZCU102 *s = ZCU102_MACHINE(obj);
185 
186     /* Default to secure mode being disabled */
187     s->secure = false;
188     object_property_add_bool(obj, "secure", zcu102_get_secure,
189                              zcu102_set_secure, NULL);
190     object_property_set_description(obj, "secure",
191                                     "Set on/off to enable/disable the ARM "
192                                     "Security Extensions (TrustZone)",
193                                     NULL);
194 
195     /* Default to virt (EL2) being disabled */
196     s->virt = false;
197     object_property_add_bool(obj, "virtualization", zcu102_get_virt,
198                              zcu102_set_virt, NULL);
199     object_property_set_description(obj, "virtualization",
200                                     "Set on/off to enable/disable emulating a "
201                                     "guest CPU which implements the ARM "
202                                     "Virtualization Extensions",
203                                     NULL);
204 }
205 
206 static void xlnx_zcu102_machine_class_init(ObjectClass *oc, void *data)
207 {
208     MachineClass *mc = MACHINE_CLASS(oc);
209 
210     mc->desc = "Xilinx ZynqMP ZCU102 board with 4xA53s and 2xR5Fs based on " \
211                "the value of smp";
212     mc->init = xlnx_zcu102_init;
213     mc->block_default_type = IF_IDE;
214     mc->units_per_default_bus = 1;
215     mc->ignore_memory_transaction_failures = true;
216     mc->max_cpus = XLNX_ZYNQMP_NUM_APU_CPUS + XLNX_ZYNQMP_NUM_RPU_CPUS;
217     mc->default_cpus = XLNX_ZYNQMP_NUM_APU_CPUS;
218 }
219 
220 static const TypeInfo xlnx_zcu102_machine_init_typeinfo = {
221     .name       = MACHINE_TYPE_NAME("xlnx-zcu102"),
222     .parent     = TYPE_MACHINE,
223     .class_init = xlnx_zcu102_machine_class_init,
224     .instance_init = xlnx_zcu102_machine_instance_init,
225     .instance_size = sizeof(XlnxZCU102),
226 };
227 
228 static void xlnx_zcu102_machine_init_register_types(void)
229 {
230     type_register_static(&xlnx_zcu102_machine_init_typeinfo);
231 }
232 
233 type_init(xlnx_zcu102_machine_init_register_types)
234