xref: /openbmc/qemu/hw/arm/mps2-tz.c (revision 438c78da)
1 /*
2  * ARM V2M MPS2 board emulation, trustzone aware FPGA images
3  *
4  * Copyright (c) 2017 Linaro Limited
5  * Written by Peter Maydell
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License version 2 or
9  *  (at your option) any later version.
10  */
11 
12 /* The MPS2 and MPS2+ dev boards are FPGA based (the 2+ has a bigger
13  * FPGA but is otherwise the same as the 2). Since the CPU itself
14  * and most of the devices are in the FPGA, the details of the board
15  * as seen by the guest depend significantly on the FPGA image.
16  * This source file covers the following FPGA images, for TrustZone cores:
17  *  "mps2-an505" -- Cortex-M33 as documented in ARM Application Note AN505
18  *
19  * Links to the TRM for the board itself and to the various Application
20  * Notes which document the FPGA images can be found here:
21  * https://developer.arm.com/products/system-design/development-boards/fpga-prototyping-boards/mps2
22  *
23  * Board TRM:
24  * http://infocenter.arm.com/help/topic/com.arm.doc.100112_0200_06_en/versatile_express_cortex_m_prototyping_systems_v2m_mps2_and_v2m_mps2plus_technical_reference_100112_0200_06_en.pdf
25  * Application Note AN505:
26  * http://infocenter.arm.com/help/topic/com.arm.doc.dai0505b/index.html
27  *
28  * The AN505 defers to the Cortex-M33 processor ARMv8M IoT Kit FVP User Guide
29  * (ARM ECM0601256) for the details of some of the device layout:
30  *   http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ecm0601256/index.html
31  */
32 
33 #include "qemu/osdep.h"
34 #include "qapi/error.h"
35 #include "qemu/error-report.h"
36 #include "hw/arm/arm.h"
37 #include "hw/arm/armv7m.h"
38 #include "hw/or-irq.h"
39 #include "hw/boards.h"
40 #include "exec/address-spaces.h"
41 #include "sysemu/sysemu.h"
42 #include "hw/misc/unimp.h"
43 #include "hw/char/cmsdk-apb-uart.h"
44 #include "hw/timer/cmsdk-apb-timer.h"
45 #include "hw/misc/mps2-scc.h"
46 #include "hw/misc/mps2-fpgaio.h"
47 #include "hw/misc/tz-mpc.h"
48 #include "hw/misc/tz-msc.h"
49 #include "hw/arm/iotkit.h"
50 #include "hw/dma/pl080.h"
51 #include "hw/ssi/pl022.h"
52 #include "hw/devices.h"
53 #include "net/net.h"
54 #include "hw/core/split-irq.h"
55 
56 typedef enum MPS2TZFPGAType {
57     FPGA_AN505,
58 } MPS2TZFPGAType;
59 
60 typedef struct {
61     MachineClass parent;
62     MPS2TZFPGAType fpga_type;
63     uint32_t scc_id;
64 } MPS2TZMachineClass;
65 
66 typedef struct {
67     MachineState parent;
68 
69     IoTKit iotkit;
70     MemoryRegion psram;
71     MemoryRegion ssram[3];
72     MemoryRegion ssram1_m;
73     MPS2SCC scc;
74     MPS2FPGAIO fpgaio;
75     TZPPC ppc[5];
76     TZMPC ssram_mpc[3];
77     PL022State spi[5];
78     UnimplementedDeviceState i2c[4];
79     UnimplementedDeviceState i2s_audio;
80     UnimplementedDeviceState gpio[4];
81     UnimplementedDeviceState gfx;
82     PL080State dma[4];
83     TZMSC msc[4];
84     CMSDKAPBUART uart[5];
85     SplitIRQ sec_resp_splitter;
86     qemu_or_irq uart_irq_orgate;
87     DeviceState *lan9118;
88 } MPS2TZMachineState;
89 
90 #define TYPE_MPS2TZ_MACHINE "mps2tz"
91 #define TYPE_MPS2TZ_AN505_MACHINE MACHINE_TYPE_NAME("mps2-an505")
92 
93 #define MPS2TZ_MACHINE(obj) \
94     OBJECT_CHECK(MPS2TZMachineState, obj, TYPE_MPS2TZ_MACHINE)
95 #define MPS2TZ_MACHINE_GET_CLASS(obj) \
96     OBJECT_GET_CLASS(MPS2TZMachineClass, obj, TYPE_MPS2TZ_MACHINE)
97 #define MPS2TZ_MACHINE_CLASS(klass) \
98     OBJECT_CLASS_CHECK(MPS2TZMachineClass, klass, TYPE_MPS2TZ_MACHINE)
99 
100 /* Main SYSCLK frequency in Hz */
101 #define SYSCLK_FRQ 20000000
102 
103 /* Create an alias of an entire original MemoryRegion @orig
104  * located at @base in the memory map.
105  */
106 static void make_ram_alias(MemoryRegion *mr, const char *name,
107                            MemoryRegion *orig, hwaddr base)
108 {
109     memory_region_init_alias(mr, NULL, name, orig, 0,
110                              memory_region_size(orig));
111     memory_region_add_subregion(get_system_memory(), base, mr);
112 }
113 
114 /* Most of the devices in the AN505 FPGA image sit behind
115  * Peripheral Protection Controllers. These data structures
116  * define the layout of which devices sit behind which PPCs.
117  * The devfn for each port is a function which creates, configures
118  * and initializes the device, returning the MemoryRegion which
119  * needs to be plugged into the downstream end of the PPC port.
120  */
121 typedef MemoryRegion *MakeDevFn(MPS2TZMachineState *mms, void *opaque,
122                                 const char *name, hwaddr size);
123 
124 typedef struct PPCPortInfo {
125     const char *name;
126     MakeDevFn *devfn;
127     void *opaque;
128     hwaddr addr;
129     hwaddr size;
130 } PPCPortInfo;
131 
132 typedef struct PPCInfo {
133     const char *name;
134     PPCPortInfo ports[TZ_NUM_PORTS];
135 } PPCInfo;
136 
137 static MemoryRegion *make_unimp_dev(MPS2TZMachineState *mms,
138                                        void *opaque,
139                                        const char *name, hwaddr size)
140 {
141     /* Initialize, configure and realize a TYPE_UNIMPLEMENTED_DEVICE,
142      * and return a pointer to its MemoryRegion.
143      */
144     UnimplementedDeviceState *uds = opaque;
145 
146     sysbus_init_child_obj(OBJECT(mms), name, uds,
147                           sizeof(UnimplementedDeviceState),
148                           TYPE_UNIMPLEMENTED_DEVICE);
149     qdev_prop_set_string(DEVICE(uds), "name", name);
150     qdev_prop_set_uint64(DEVICE(uds), "size", size);
151     object_property_set_bool(OBJECT(uds), true, "realized", &error_fatal);
152     return sysbus_mmio_get_region(SYS_BUS_DEVICE(uds), 0);
153 }
154 
155 static MemoryRegion *make_uart(MPS2TZMachineState *mms, void *opaque,
156                                const char *name, hwaddr size)
157 {
158     CMSDKAPBUART *uart = opaque;
159     int i = uart - &mms->uart[0];
160     int rxirqno = i * 2;
161     int txirqno = i * 2 + 1;
162     int combirqno = i + 10;
163     SysBusDevice *s;
164     DeviceState *iotkitdev = DEVICE(&mms->iotkit);
165     DeviceState *orgate_dev = DEVICE(&mms->uart_irq_orgate);
166 
167     sysbus_init_child_obj(OBJECT(mms), name, uart, sizeof(mms->uart[0]),
168                           TYPE_CMSDK_APB_UART);
169     qdev_prop_set_chr(DEVICE(uart), "chardev", serial_hd(i));
170     qdev_prop_set_uint32(DEVICE(uart), "pclk-frq", SYSCLK_FRQ);
171     object_property_set_bool(OBJECT(uart), true, "realized", &error_fatal);
172     s = SYS_BUS_DEVICE(uart);
173     sysbus_connect_irq(s, 0, qdev_get_gpio_in_named(iotkitdev,
174                                                     "EXP_IRQ", txirqno));
175     sysbus_connect_irq(s, 1, qdev_get_gpio_in_named(iotkitdev,
176                                                     "EXP_IRQ", rxirqno));
177     sysbus_connect_irq(s, 2, qdev_get_gpio_in(orgate_dev, i * 2));
178     sysbus_connect_irq(s, 3, qdev_get_gpio_in(orgate_dev, i * 2 + 1));
179     sysbus_connect_irq(s, 4, qdev_get_gpio_in_named(iotkitdev,
180                                                     "EXP_IRQ", combirqno));
181     return sysbus_mmio_get_region(SYS_BUS_DEVICE(uart), 0);
182 }
183 
184 static MemoryRegion *make_scc(MPS2TZMachineState *mms, void *opaque,
185                               const char *name, hwaddr size)
186 {
187     MPS2SCC *scc = opaque;
188     DeviceState *sccdev;
189     MPS2TZMachineClass *mmc = MPS2TZ_MACHINE_GET_CLASS(mms);
190 
191     object_initialize(scc, sizeof(mms->scc), TYPE_MPS2_SCC);
192     sccdev = DEVICE(scc);
193     qdev_set_parent_bus(sccdev, sysbus_get_default());
194     qdev_prop_set_uint32(sccdev, "scc-cfg4", 0x2);
195     qdev_prop_set_uint32(sccdev, "scc-aid", 0x00200008);
196     qdev_prop_set_uint32(sccdev, "scc-id", mmc->scc_id);
197     object_property_set_bool(OBJECT(scc), true, "realized", &error_fatal);
198     return sysbus_mmio_get_region(SYS_BUS_DEVICE(sccdev), 0);
199 }
200 
201 static MemoryRegion *make_fpgaio(MPS2TZMachineState *mms, void *opaque,
202                                  const char *name, hwaddr size)
203 {
204     MPS2FPGAIO *fpgaio = opaque;
205 
206     object_initialize(fpgaio, sizeof(mms->fpgaio), TYPE_MPS2_FPGAIO);
207     qdev_set_parent_bus(DEVICE(fpgaio), sysbus_get_default());
208     object_property_set_bool(OBJECT(fpgaio), true, "realized", &error_fatal);
209     return sysbus_mmio_get_region(SYS_BUS_DEVICE(fpgaio), 0);
210 }
211 
212 static MemoryRegion *make_eth_dev(MPS2TZMachineState *mms, void *opaque,
213                                   const char *name, hwaddr size)
214 {
215     SysBusDevice *s;
216     DeviceState *iotkitdev = DEVICE(&mms->iotkit);
217     NICInfo *nd = &nd_table[0];
218 
219     /* In hardware this is a LAN9220; the LAN9118 is software compatible
220      * except that it doesn't support the checksum-offload feature.
221      */
222     qemu_check_nic_model(nd, "lan9118");
223     mms->lan9118 = qdev_create(NULL, "lan9118");
224     qdev_set_nic_properties(mms->lan9118, nd);
225     qdev_init_nofail(mms->lan9118);
226 
227     s = SYS_BUS_DEVICE(mms->lan9118);
228     sysbus_connect_irq(s, 0, qdev_get_gpio_in_named(iotkitdev, "EXP_IRQ", 16));
229     return sysbus_mmio_get_region(s, 0);
230 }
231 
232 static MemoryRegion *make_mpc(MPS2TZMachineState *mms, void *opaque,
233                               const char *name, hwaddr size)
234 {
235     TZMPC *mpc = opaque;
236     int i = mpc - &mms->ssram_mpc[0];
237     MemoryRegion *ssram = &mms->ssram[i];
238     MemoryRegion *upstream;
239     char *mpcname = g_strdup_printf("%s-mpc", name);
240     static uint32_t ramsize[] = { 0x00400000, 0x00200000, 0x00200000 };
241     static uint32_t rambase[] = { 0x00000000, 0x28000000, 0x28200000 };
242 
243     memory_region_init_ram(ssram, NULL, name, ramsize[i], &error_fatal);
244 
245     sysbus_init_child_obj(OBJECT(mms), mpcname, mpc, sizeof(mms->ssram_mpc[0]),
246                           TYPE_TZ_MPC);
247     object_property_set_link(OBJECT(mpc), OBJECT(ssram),
248                              "downstream", &error_fatal);
249     object_property_set_bool(OBJECT(mpc), true, "realized", &error_fatal);
250     /* Map the upstream end of the MPC into system memory */
251     upstream = sysbus_mmio_get_region(SYS_BUS_DEVICE(mpc), 1);
252     memory_region_add_subregion(get_system_memory(), rambase[i], upstream);
253     /* and connect its interrupt to the IoTKit */
254     qdev_connect_gpio_out_named(DEVICE(mpc), "irq", 0,
255                                 qdev_get_gpio_in_named(DEVICE(&mms->iotkit),
256                                                        "mpcexp_status", i));
257 
258     /* The first SSRAM is a special case as it has an alias; accesses to
259      * the alias region at 0x00400000 must also go to the MPC upstream.
260      */
261     if (i == 0) {
262         make_ram_alias(&mms->ssram1_m, "mps.ssram1_m", upstream, 0x00400000);
263     }
264 
265     g_free(mpcname);
266     /* Return the register interface MR for our caller to map behind the PPC */
267     return sysbus_mmio_get_region(SYS_BUS_DEVICE(mpc), 0);
268 }
269 
270 static MemoryRegion *make_dma(MPS2TZMachineState *mms, void *opaque,
271                               const char *name, hwaddr size)
272 {
273     PL080State *dma = opaque;
274     int i = dma - &mms->dma[0];
275     SysBusDevice *s;
276     char *mscname = g_strdup_printf("%s-msc", name);
277     TZMSC *msc = &mms->msc[i];
278     DeviceState *iotkitdev = DEVICE(&mms->iotkit);
279     MemoryRegion *msc_upstream;
280     MemoryRegion *msc_downstream;
281 
282     /*
283      * Each DMA device is a PL081 whose transaction master interface
284      * is guarded by a Master Security Controller. The downstream end of
285      * the MSC connects to the IoTKit AHB Slave Expansion port, so the
286      * DMA devices can see all devices and memory that the CPU does.
287      */
288     sysbus_init_child_obj(OBJECT(mms), mscname, msc, sizeof(*msc), TYPE_TZ_MSC);
289     msc_downstream = sysbus_mmio_get_region(SYS_BUS_DEVICE(&mms->iotkit), 0);
290     object_property_set_link(OBJECT(msc), OBJECT(msc_downstream),
291                              "downstream", &error_fatal);
292     object_property_set_link(OBJECT(msc), OBJECT(mms),
293                              "idau", &error_fatal);
294     object_property_set_bool(OBJECT(msc), true, "realized", &error_fatal);
295 
296     qdev_connect_gpio_out_named(DEVICE(msc), "irq", 0,
297                                 qdev_get_gpio_in_named(iotkitdev,
298                                                        "mscexp_status", i));
299     qdev_connect_gpio_out_named(iotkitdev, "mscexp_clear", i,
300                                 qdev_get_gpio_in_named(DEVICE(msc),
301                                                        "irq_clear", 0));
302     qdev_connect_gpio_out_named(iotkitdev, "mscexp_ns", i,
303                                 qdev_get_gpio_in_named(DEVICE(msc),
304                                                        "cfg_nonsec", 0));
305     qdev_connect_gpio_out(DEVICE(&mms->sec_resp_splitter),
306                           ARRAY_SIZE(mms->ppc) + i,
307                           qdev_get_gpio_in_named(DEVICE(msc),
308                                                  "cfg_sec_resp", 0));
309     msc_upstream = sysbus_mmio_get_region(SYS_BUS_DEVICE(msc), 0);
310 
311     sysbus_init_child_obj(OBJECT(mms), name, dma, sizeof(*dma), TYPE_PL081);
312     object_property_set_link(OBJECT(dma), OBJECT(msc_upstream),
313                              "downstream", &error_fatal);
314     object_property_set_bool(OBJECT(dma), true, "realized", &error_fatal);
315 
316     s = SYS_BUS_DEVICE(dma);
317     /* Wire up DMACINTR, DMACINTERR, DMACINTTC */
318     sysbus_connect_irq(s, 0, qdev_get_gpio_in_named(iotkitdev,
319                                                     "EXP_IRQ", 58 + i * 3));
320     sysbus_connect_irq(s, 1, qdev_get_gpio_in_named(iotkitdev,
321                                                     "EXP_IRQ", 56 + i * 3));
322     sysbus_connect_irq(s, 2, qdev_get_gpio_in_named(iotkitdev,
323                                                     "EXP_IRQ", 57 + i * 3));
324 
325     return sysbus_mmio_get_region(s, 0);
326 }
327 
328 static MemoryRegion *make_spi(MPS2TZMachineState *mms, void *opaque,
329                               const char *name, hwaddr size)
330 {
331     /*
332      * The AN505 has five PL022 SPI controllers.
333      * One of these should have the LCD controller behind it; the others
334      * are connected only to the FPGA's "general purpose SPI connector"
335      * or "shield" expansion connectors.
336      * Note that if we do implement devices behind SPI, the chip select
337      * lines are set via the "MISC" register in the MPS2 FPGAIO device.
338      */
339     PL022State *spi = opaque;
340     int i = spi - &mms->spi[0];
341     DeviceState *iotkitdev = DEVICE(&mms->iotkit);
342     SysBusDevice *s;
343 
344     sysbus_init_child_obj(OBJECT(mms), name, spi, sizeof(mms->spi[0]),
345                           TYPE_PL022);
346     object_property_set_bool(OBJECT(spi), true, "realized", &error_fatal);
347     s = SYS_BUS_DEVICE(spi);
348     sysbus_connect_irq(s, 0,
349                        qdev_get_gpio_in_named(iotkitdev, "EXP_IRQ", 51 + i));
350     return sysbus_mmio_get_region(s, 0);
351 }
352 
353 static void mps2tz_common_init(MachineState *machine)
354 {
355     MPS2TZMachineState *mms = MPS2TZ_MACHINE(machine);
356     MachineClass *mc = MACHINE_GET_CLASS(machine);
357     MemoryRegion *system_memory = get_system_memory();
358     DeviceState *iotkitdev;
359     DeviceState *dev_splitter;
360     int i;
361 
362     if (strcmp(machine->cpu_type, mc->default_cpu_type) != 0) {
363         error_report("This board can only be used with CPU %s",
364                      mc->default_cpu_type);
365         exit(1);
366     }
367 
368     sysbus_init_child_obj(OBJECT(machine), "iotkit", &mms->iotkit,
369                           sizeof(mms->iotkit), TYPE_IOTKIT);
370     iotkitdev = DEVICE(&mms->iotkit);
371     object_property_set_link(OBJECT(&mms->iotkit), OBJECT(system_memory),
372                              "memory", &error_abort);
373     qdev_prop_set_uint32(iotkitdev, "EXP_NUMIRQ", 92);
374     qdev_prop_set_uint32(iotkitdev, "MAINCLK", SYSCLK_FRQ);
375     object_property_set_bool(OBJECT(&mms->iotkit), true, "realized",
376                              &error_fatal);
377 
378     /* The sec_resp_cfg output from the IoTKit must be split into multiple
379      * lines, one for each of the PPCs we create here, plus one per MSC.
380      */
381     object_initialize(&mms->sec_resp_splitter, sizeof(mms->sec_resp_splitter),
382                       TYPE_SPLIT_IRQ);
383     object_property_add_child(OBJECT(machine), "sec-resp-splitter",
384                               OBJECT(&mms->sec_resp_splitter), &error_abort);
385     object_property_set_int(OBJECT(&mms->sec_resp_splitter),
386                             ARRAY_SIZE(mms->ppc) + ARRAY_SIZE(mms->msc),
387                             "num-lines", &error_fatal);
388     object_property_set_bool(OBJECT(&mms->sec_resp_splitter), true,
389                              "realized", &error_fatal);
390     dev_splitter = DEVICE(&mms->sec_resp_splitter);
391     qdev_connect_gpio_out_named(iotkitdev, "sec_resp_cfg", 0,
392                                 qdev_get_gpio_in(dev_splitter, 0));
393 
394     /* The IoTKit sets up much of the memory layout, including
395      * the aliases between secure and non-secure regions in the
396      * address space. The FPGA itself contains:
397      *
398      * 0x00000000..0x003fffff  SSRAM1
399      * 0x00400000..0x007fffff  alias of SSRAM1
400      * 0x28000000..0x283fffff  4MB SSRAM2 + SSRAM3
401      * 0x40100000..0x4fffffff  AHB Master Expansion 1 interface devices
402      * 0x80000000..0x80ffffff  16MB PSRAM
403      */
404 
405     /* The FPGA images have an odd combination of different RAMs,
406      * because in hardware they are different implementations and
407      * connected to different buses, giving varying performance/size
408      * tradeoffs. For QEMU they're all just RAM, though. We arbitrarily
409      * call the 16MB our "system memory", as it's the largest lump.
410      */
411     memory_region_allocate_system_memory(&mms->psram,
412                                          NULL, "mps.ram", 0x01000000);
413     memory_region_add_subregion(system_memory, 0x80000000, &mms->psram);
414 
415     /* The overflow IRQs for all UARTs are ORed together.
416      * Tx, Rx and "combined" IRQs are sent to the NVIC separately.
417      * Create the OR gate for this.
418      */
419     object_initialize(&mms->uart_irq_orgate, sizeof(mms->uart_irq_orgate),
420                       TYPE_OR_IRQ);
421     object_property_add_child(OBJECT(mms), "uart-irq-orgate",
422                               OBJECT(&mms->uart_irq_orgate), &error_abort);
423     object_property_set_int(OBJECT(&mms->uart_irq_orgate), 10, "num-lines",
424                             &error_fatal);
425     object_property_set_bool(OBJECT(&mms->uart_irq_orgate), true,
426                              "realized", &error_fatal);
427     qdev_connect_gpio_out(DEVICE(&mms->uart_irq_orgate), 0,
428                           qdev_get_gpio_in_named(iotkitdev, "EXP_IRQ", 15));
429 
430     /* Most of the devices in the FPGA are behind Peripheral Protection
431      * Controllers. The required order for initializing things is:
432      *  + initialize the PPC
433      *  + initialize, configure and realize downstream devices
434      *  + connect downstream device MemoryRegions to the PPC
435      *  + realize the PPC
436      *  + map the PPC's MemoryRegions to the places in the address map
437      *    where the downstream devices should appear
438      *  + wire up the PPC's control lines to the IoTKit object
439      */
440 
441     const PPCInfo ppcs[] = { {
442             .name = "apb_ppcexp0",
443             .ports = {
444                 { "ssram-0", make_mpc, &mms->ssram_mpc[0], 0x58007000, 0x1000 },
445                 { "ssram-1", make_mpc, &mms->ssram_mpc[1], 0x58008000, 0x1000 },
446                 { "ssram-2", make_mpc, &mms->ssram_mpc[2], 0x58009000, 0x1000 },
447             },
448         }, {
449             .name = "apb_ppcexp1",
450             .ports = {
451                 { "spi0", make_spi, &mms->spi[0], 0x40205000, 0x1000 },
452                 { "spi1", make_spi, &mms->spi[1], 0x40206000, 0x1000 },
453                 { "spi2", make_spi, &mms->spi[2], 0x40209000, 0x1000 },
454                 { "spi3", make_spi, &mms->spi[3], 0x4020a000, 0x1000 },
455                 { "spi4", make_spi, &mms->spi[4], 0x4020b000, 0x1000 },
456                 { "uart0", make_uart, &mms->uart[0], 0x40200000, 0x1000 },
457                 { "uart1", make_uart, &mms->uart[1], 0x40201000, 0x1000 },
458                 { "uart2", make_uart, &mms->uart[2], 0x40202000, 0x1000 },
459                 { "uart3", make_uart, &mms->uart[3], 0x40203000, 0x1000 },
460                 { "uart4", make_uart, &mms->uart[4], 0x40204000, 0x1000 },
461                 { "i2c0", make_unimp_dev, &mms->i2c[0], 0x40207000, 0x1000 },
462                 { "i2c1", make_unimp_dev, &mms->i2c[1], 0x40208000, 0x1000 },
463                 { "i2c2", make_unimp_dev, &mms->i2c[2], 0x4020c000, 0x1000 },
464                 { "i2c3", make_unimp_dev, &mms->i2c[3], 0x4020d000, 0x1000 },
465             },
466         }, {
467             .name = "apb_ppcexp2",
468             .ports = {
469                 { "scc", make_scc, &mms->scc, 0x40300000, 0x1000 },
470                 { "i2s-audio", make_unimp_dev, &mms->i2s_audio,
471                   0x40301000, 0x1000 },
472                 { "fpgaio", make_fpgaio, &mms->fpgaio, 0x40302000, 0x1000 },
473             },
474         }, {
475             .name = "ahb_ppcexp0",
476             .ports = {
477                 { "gfx", make_unimp_dev, &mms->gfx, 0x41000000, 0x140000 },
478                 { "gpio0", make_unimp_dev, &mms->gpio[0], 0x40100000, 0x1000 },
479                 { "gpio1", make_unimp_dev, &mms->gpio[1], 0x40101000, 0x1000 },
480                 { "gpio2", make_unimp_dev, &mms->gpio[2], 0x40102000, 0x1000 },
481                 { "gpio3", make_unimp_dev, &mms->gpio[3], 0x40103000, 0x1000 },
482                 { "eth", make_eth_dev, NULL, 0x42000000, 0x100000 },
483             },
484         }, {
485             .name = "ahb_ppcexp1",
486             .ports = {
487                 { "dma0", make_dma, &mms->dma[0], 0x40110000, 0x1000 },
488                 { "dma1", make_dma, &mms->dma[1], 0x40111000, 0x1000 },
489                 { "dma2", make_dma, &mms->dma[2], 0x40112000, 0x1000 },
490                 { "dma3", make_dma, &mms->dma[3], 0x40113000, 0x1000 },
491             },
492         },
493     };
494 
495     for (i = 0; i < ARRAY_SIZE(ppcs); i++) {
496         const PPCInfo *ppcinfo = &ppcs[i];
497         TZPPC *ppc = &mms->ppc[i];
498         DeviceState *ppcdev;
499         int port;
500         char *gpioname;
501 
502         sysbus_init_child_obj(OBJECT(machine), ppcinfo->name, ppc,
503                               sizeof(TZPPC), TYPE_TZ_PPC);
504         ppcdev = DEVICE(ppc);
505 
506         for (port = 0; port < TZ_NUM_PORTS; port++) {
507             const PPCPortInfo *pinfo = &ppcinfo->ports[port];
508             MemoryRegion *mr;
509             char *portname;
510 
511             if (!pinfo->devfn) {
512                 continue;
513             }
514 
515             mr = pinfo->devfn(mms, pinfo->opaque, pinfo->name, pinfo->size);
516             portname = g_strdup_printf("port[%d]", port);
517             object_property_set_link(OBJECT(ppc), OBJECT(mr),
518                                      portname, &error_fatal);
519             g_free(portname);
520         }
521 
522         object_property_set_bool(OBJECT(ppc), true, "realized", &error_fatal);
523 
524         for (port = 0; port < TZ_NUM_PORTS; port++) {
525             const PPCPortInfo *pinfo = &ppcinfo->ports[port];
526 
527             if (!pinfo->devfn) {
528                 continue;
529             }
530             sysbus_mmio_map(SYS_BUS_DEVICE(ppc), port, pinfo->addr);
531 
532             gpioname = g_strdup_printf("%s_nonsec", ppcinfo->name);
533             qdev_connect_gpio_out_named(iotkitdev, gpioname, port,
534                                         qdev_get_gpio_in_named(ppcdev,
535                                                                "cfg_nonsec",
536                                                                port));
537             g_free(gpioname);
538             gpioname = g_strdup_printf("%s_ap", ppcinfo->name);
539             qdev_connect_gpio_out_named(iotkitdev, gpioname, port,
540                                         qdev_get_gpio_in_named(ppcdev,
541                                                                "cfg_ap", port));
542             g_free(gpioname);
543         }
544 
545         gpioname = g_strdup_printf("%s_irq_enable", ppcinfo->name);
546         qdev_connect_gpio_out_named(iotkitdev, gpioname, 0,
547                                     qdev_get_gpio_in_named(ppcdev,
548                                                            "irq_enable", 0));
549         g_free(gpioname);
550         gpioname = g_strdup_printf("%s_irq_clear", ppcinfo->name);
551         qdev_connect_gpio_out_named(iotkitdev, gpioname, 0,
552                                     qdev_get_gpio_in_named(ppcdev,
553                                                            "irq_clear", 0));
554         g_free(gpioname);
555         gpioname = g_strdup_printf("%s_irq_status", ppcinfo->name);
556         qdev_connect_gpio_out_named(ppcdev, "irq", 0,
557                                     qdev_get_gpio_in_named(iotkitdev,
558                                                            gpioname, 0));
559         g_free(gpioname);
560 
561         qdev_connect_gpio_out(dev_splitter, i,
562                               qdev_get_gpio_in_named(ppcdev,
563                                                      "cfg_sec_resp", 0));
564     }
565 
566     create_unimplemented_device("FPGA NS PC", 0x48007000, 0x1000);
567 
568     armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename, 0x400000);
569 }
570 
571 static void mps2_tz_idau_check(IDAUInterface *ii, uint32_t address,
572                                int *iregion, bool *exempt, bool *ns, bool *nsc)
573 {
574     /*
575      * The MPS2 TZ FPGA images have IDAUs in them which are connected to
576      * the Master Security Controllers. Thes have the same logic as
577      * is used by the IoTKit for the IDAU connected to the CPU, except
578      * that MSCs don't care about the NSC attribute.
579      */
580     int region = extract32(address, 28, 4);
581 
582     *ns = !(region & 1);
583     *nsc = false;
584     /* 0xe0000000..0xe00fffff and 0xf0000000..0xf00fffff are exempt */
585     *exempt = (address & 0xeff00000) == 0xe0000000;
586     *iregion = region;
587 }
588 
589 static void mps2tz_class_init(ObjectClass *oc, void *data)
590 {
591     MachineClass *mc = MACHINE_CLASS(oc);
592     IDAUInterfaceClass *iic = IDAU_INTERFACE_CLASS(oc);
593 
594     mc->init = mps2tz_common_init;
595     mc->max_cpus = 1;
596     iic->check = mps2_tz_idau_check;
597 }
598 
599 static void mps2tz_an505_class_init(ObjectClass *oc, void *data)
600 {
601     MachineClass *mc = MACHINE_CLASS(oc);
602     MPS2TZMachineClass *mmc = MPS2TZ_MACHINE_CLASS(oc);
603 
604     mc->desc = "ARM MPS2 with AN505 FPGA image for Cortex-M33";
605     mmc->fpga_type = FPGA_AN505;
606     mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m33");
607     mmc->scc_id = 0x41045050;
608 }
609 
610 static const TypeInfo mps2tz_info = {
611     .name = TYPE_MPS2TZ_MACHINE,
612     .parent = TYPE_MACHINE,
613     .abstract = true,
614     .instance_size = sizeof(MPS2TZMachineState),
615     .class_size = sizeof(MPS2TZMachineClass),
616     .class_init = mps2tz_class_init,
617     .interfaces = (InterfaceInfo[]) {
618         { TYPE_IDAU_INTERFACE },
619         { }
620     },
621 };
622 
623 static const TypeInfo mps2tz_an505_info = {
624     .name = TYPE_MPS2TZ_AN505_MACHINE,
625     .parent = TYPE_MPS2TZ_MACHINE,
626     .class_init = mps2tz_an505_class_init,
627 };
628 
629 static void mps2tz_machine_init(void)
630 {
631     type_register_static(&mps2tz_info);
632     type_register_static(&mps2tz_an505_info);
633 }
634 
635 type_init(mps2tz_machine_init);
636