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18#include "qemu/osdep.h"
19#include "qemu/units.h"
20#include "qapi/error.h"
21#include "cpu.h"
22#include "hw/sysbus.h"
23#include "hw/arm/boot.h"
24#include "net/net.h"
25#include "sysemu/sysemu.h"
26#include "hw/boards.h"
27#include "hw/block/flash.h"
28#include "hw/loader.h"
29#include "hw/adc/zynq-xadc.h"
30#include "hw/ssi/ssi.h"
31#include "hw/usb/chipidea.h"
32#include "qemu/error-report.h"
33#include "hw/sd/sdhci.h"
34#include "hw/char/cadence_uart.h"
35#include "hw/net/cadence_gem.h"
36#include "hw/cpu/a9mpcore.h"
37#include "hw/qdev-clock.h"
38#include "sysemu/reset.h"
39#include "qom/object.h"
40
41#define TYPE_ZYNQ_MACHINE MACHINE_TYPE_NAME("xilinx-zynq-a9")
42OBJECT_DECLARE_SIMPLE_TYPE(ZynqMachineState, ZYNQ_MACHINE)
43
44
45#define PS_CLK_FREQUENCY (100 * 1000 * 1000 / 3)
46
47#define NUM_SPI_FLASHES 4
48#define NUM_QSPI_FLASHES 2
49#define NUM_QSPI_BUSSES 2
50
51#define FLASH_SIZE (64 * 1024 * 1024)
52#define FLASH_SECTOR_SIZE (128 * 1024)
53
54#define IRQ_OFFSET 32
55
56#define MPCORE_PERIPHBASE 0xF8F00000
57#define ZYNQ_BOARD_MIDR 0x413FC090
58
59static const int dma_irqs[8] = {
60 46, 47, 48, 49, 72, 73, 74, 75
61};
62
63#define BOARD_SETUP_ADDR 0x100
64
65#define SLCR_LOCK_OFFSET 0x004
66#define SLCR_UNLOCK_OFFSET 0x008
67#define SLCR_ARM_PLL_OFFSET 0x100
68
69#define SLCR_XILINX_UNLOCK_KEY 0xdf0d
70#define SLCR_XILINX_LOCK_KEY 0x767b
71
72#define ZYNQ_SDHCI_CAPABILITIES 0x69ec0080
73
74#define ARMV7_IMM16(x) (extract32((x), 0, 12) | \
75 extract32((x), 12, 4) << 16)
76
77
78
79
80
81#define SLCR_WRITE(addr, val) \
82 0xe3001000 + ARMV7_IMM16(extract32((val), 0, 16)), \
83 0xe3401000 + ARMV7_IMM16(extract32((val), 16, 16)), \
84 0xe5801000 + (addr)
85
86struct ZynqMachineState {
87 MachineState parent;
88 Clock *ps_clk;
89};
90
91static void zynq_write_board_setup(ARMCPU *cpu,
92 const struct arm_boot_info *info)
93{
94 int n;
95 uint32_t board_setup_blob[] = {
96 0xe3a004f8,
97 SLCR_WRITE(SLCR_UNLOCK_OFFSET, SLCR_XILINX_UNLOCK_KEY),
98 SLCR_WRITE(SLCR_ARM_PLL_OFFSET, 0x00014008),
99 SLCR_WRITE(SLCR_LOCK_OFFSET, SLCR_XILINX_LOCK_KEY),
100 0xe12fff1e,
101 };
102 for (n = 0; n < ARRAY_SIZE(board_setup_blob); n++) {
103 board_setup_blob[n] = tswap32(board_setup_blob[n]);
104 }
105 rom_add_blob_fixed("board-setup", board_setup_blob,
106 sizeof(board_setup_blob), BOARD_SETUP_ADDR);
107}
108
109static struct arm_boot_info zynq_binfo = {};
110
111static void gem_init(NICInfo *nd, uint32_t base, qemu_irq irq)
112{
113 DeviceState *dev;
114 SysBusDevice *s;
115
116 dev = qdev_new(TYPE_CADENCE_GEM);
117 if (nd->used) {
118 qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
119 qdev_set_nic_properties(dev, nd);
120 }
121 object_property_set_int(OBJECT(dev), "phy-addr", 7, &error_abort);
122 s = SYS_BUS_DEVICE(dev);
123 sysbus_realize_and_unref(s, &error_fatal);
124 sysbus_mmio_map(s, 0, base);
125 sysbus_connect_irq(s, 0, irq);
126}
127
128static inline void zynq_init_spi_flashes(uint32_t base_addr, qemu_irq irq,
129 bool is_qspi)
130{
131 DeviceState *dev;
132 SysBusDevice *busdev;
133 SSIBus *spi;
134 DeviceState *flash_dev;
135 int i, j;
136 int num_busses = is_qspi ? NUM_QSPI_BUSSES : 1;
137 int num_ss = is_qspi ? NUM_QSPI_FLASHES : NUM_SPI_FLASHES;
138
139 dev = qdev_new(is_qspi ? "xlnx.ps7-qspi" : "xlnx.ps7-spi");
140 qdev_prop_set_uint8(dev, "num-txrx-bytes", is_qspi ? 4 : 1);
141 qdev_prop_set_uint8(dev, "num-ss-bits", num_ss);
142 qdev_prop_set_uint8(dev, "num-busses", num_busses);
143 busdev = SYS_BUS_DEVICE(dev);
144 sysbus_realize_and_unref(busdev, &error_fatal);
145 sysbus_mmio_map(busdev, 0, base_addr);
146 if (is_qspi) {
147 sysbus_mmio_map(busdev, 1, 0xFC000000);
148 }
149 sysbus_connect_irq(busdev, 0, irq);
150
151 for (i = 0; i < num_busses; ++i) {
152 char bus_name[16];
153 qemu_irq cs_line;
154
155 snprintf(bus_name, 16, "spi%d", i);
156 spi = (SSIBus *)qdev_get_child_bus(dev, bus_name);
157
158 for (j = 0; j < num_ss; ++j) {
159 DriveInfo *dinfo = drive_get_next(IF_MTD);
160 flash_dev = qdev_new("n25q128");
161 if (dinfo) {
162 qdev_prop_set_drive_err(flash_dev, "drive",
163 blk_by_legacy_dinfo(dinfo),
164 &error_fatal);
165 }
166 qdev_realize_and_unref(flash_dev, BUS(spi), &error_fatal);
167
168 cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
169 sysbus_connect_irq(busdev, i * num_ss + j + 1, cs_line);
170 }
171 }
172
173}
174
175static void zynq_init(MachineState *machine)
176{
177 ZynqMachineState *zynq_machine = ZYNQ_MACHINE(machine);
178 ARMCPU *cpu;
179 MemoryRegion *address_space_mem = get_system_memory();
180 MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
181 DeviceState *dev, *slcr;
182 SysBusDevice *busdev;
183 qemu_irq pic[64];
184 int n;
185
186
187 if (machine->ram_size > 2 * GiB) {
188 error_report("RAM size more than 2 GiB is not supported");
189 exit(EXIT_FAILURE);
190 }
191
192 cpu = ARM_CPU(object_new(machine->cpu_type));
193
194
195
196
197
198 if (object_property_find(OBJECT(cpu), "has_el3")) {
199 object_property_set_bool(OBJECT(cpu), "has_el3", false, &error_fatal);
200 }
201
202 object_property_set_int(OBJECT(cpu), "midr", ZYNQ_BOARD_MIDR,
203 &error_fatal);
204 object_property_set_int(OBJECT(cpu), "reset-cbar", MPCORE_PERIPHBASE,
205 &error_fatal);
206 qdev_realize(DEVICE(cpu), NULL, &error_fatal);
207
208
209 memory_region_add_subregion(address_space_mem, 0, machine->ram);
210
211
212 memory_region_init_ram(ocm_ram, NULL, "zynq.ocm_ram", 256 * KiB,
213 &error_fatal);
214 memory_region_add_subregion(address_space_mem, 0xFFFC0000, ocm_ram);
215
216 DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0);
217
218
219 pflash_cfi02_register(0xe2000000, "zynq.pflash", FLASH_SIZE,
220 dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
221 FLASH_SECTOR_SIZE, 1,
222 1, 0x0066, 0x0022, 0x0000, 0x0000, 0x0555, 0x2aa,
223 0);
224
225
226 zynq_machine->ps_clk = CLOCK(object_new(TYPE_CLOCK));
227 object_property_add_child(OBJECT(zynq_machine), "ps_clk",
228 OBJECT(zynq_machine->ps_clk));
229 object_unref(OBJECT(zynq_machine->ps_clk));
230 clock_set_hz(zynq_machine->ps_clk, PS_CLK_FREQUENCY);
231
232
233 slcr = qdev_new("xilinx-zynq_slcr");
234 qdev_connect_clock_in(slcr, "ps_clk", zynq_machine->ps_clk);
235 sysbus_realize_and_unref(SYS_BUS_DEVICE(slcr), &error_fatal);
236 sysbus_mmio_map(SYS_BUS_DEVICE(slcr), 0, 0xF8000000);
237
238 dev = qdev_new(TYPE_A9MPCORE_PRIV);
239 qdev_prop_set_uint32(dev, "num-cpu", 1);
240 busdev = SYS_BUS_DEVICE(dev);
241 sysbus_realize_and_unref(busdev, &error_fatal);
242 sysbus_mmio_map(busdev, 0, MPCORE_PERIPHBASE);
243 sysbus_connect_irq(busdev, 0,
244 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
245
246 for (n = 0; n < 64; n++) {
247 pic[n] = qdev_get_gpio_in(dev, n);
248 }
249
250 zynq_init_spi_flashes(0xE0006000, pic[58-IRQ_OFFSET], false);
251 zynq_init_spi_flashes(0xE0007000, pic[81-IRQ_OFFSET], false);
252 zynq_init_spi_flashes(0xE000D000, pic[51-IRQ_OFFSET], true);
253
254 sysbus_create_simple(TYPE_CHIPIDEA, 0xE0002000, pic[53 - IRQ_OFFSET]);
255 sysbus_create_simple(TYPE_CHIPIDEA, 0xE0003000, pic[76 - IRQ_OFFSET]);
256
257 dev = qdev_new(TYPE_CADENCE_UART);
258 busdev = SYS_BUS_DEVICE(dev);
259 qdev_prop_set_chr(dev, "chardev", serial_hd(0));
260 qdev_connect_clock_in(dev, "refclk",
261 qdev_get_clock_out(slcr, "uart0_ref_clk"));
262 sysbus_realize_and_unref(busdev, &error_fatal);
263 sysbus_mmio_map(busdev, 0, 0xE0000000);
264 sysbus_connect_irq(busdev, 0, pic[59 - IRQ_OFFSET]);
265 dev = qdev_new(TYPE_CADENCE_UART);
266 busdev = SYS_BUS_DEVICE(dev);
267 qdev_prop_set_chr(dev, "chardev", serial_hd(1));
268 qdev_connect_clock_in(dev, "refclk",
269 qdev_get_clock_out(slcr, "uart1_ref_clk"));
270 sysbus_realize_and_unref(busdev, &error_fatal);
271 sysbus_mmio_map(busdev, 0, 0xE0001000);
272 sysbus_connect_irq(busdev, 0, pic[82 - IRQ_OFFSET]);
273
274 sysbus_create_varargs("cadence_ttc", 0xF8001000,
275 pic[42-IRQ_OFFSET], pic[43-IRQ_OFFSET], pic[44-IRQ_OFFSET], NULL);
276 sysbus_create_varargs("cadence_ttc", 0xF8002000,
277 pic[69-IRQ_OFFSET], pic[70-IRQ_OFFSET], pic[71-IRQ_OFFSET], NULL);
278
279 gem_init(&nd_table[0], 0xE000B000, pic[54-IRQ_OFFSET]);
280 gem_init(&nd_table[1], 0xE000C000, pic[77-IRQ_OFFSET]);
281
282 for (n = 0; n < 2; n++) {
283 int hci_irq = n ? 79 : 56;
284 hwaddr hci_addr = n ? 0xE0101000 : 0xE0100000;
285 DriveInfo *di;
286 BlockBackend *blk;
287 DeviceState *carddev;
288
289
290
291
292
293
294 dev = qdev_new(TYPE_SYSBUS_SDHCI);
295 qdev_prop_set_uint8(dev, "sd-spec-version", 2);
296 qdev_prop_set_uint64(dev, "capareg", ZYNQ_SDHCI_CAPABILITIES);
297 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
298 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, hci_addr);
299 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[hci_irq - IRQ_OFFSET]);
300
301 di = drive_get_next(IF_SD);
302 blk = di ? blk_by_legacy_dinfo(di) : NULL;
303 carddev = qdev_new(TYPE_SD_CARD);
304 qdev_prop_set_drive_err(carddev, "drive", blk, &error_fatal);
305 qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"),
306 &error_fatal);
307 }
308
309 dev = qdev_new(TYPE_ZYNQ_XADC);
310 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
311 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xF8007100);
312 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[39-IRQ_OFFSET]);
313
314 dev = qdev_new("pl330");
315 qdev_prop_set_uint8(dev, "num_chnls", 8);
316 qdev_prop_set_uint8(dev, "num_periph_req", 4);
317 qdev_prop_set_uint8(dev, "num_events", 16);
318
319 qdev_prop_set_uint8(dev, "data_width", 64);
320 qdev_prop_set_uint8(dev, "wr_cap", 8);
321 qdev_prop_set_uint8(dev, "wr_q_dep", 16);
322 qdev_prop_set_uint8(dev, "rd_cap", 8);
323 qdev_prop_set_uint8(dev, "rd_q_dep", 16);
324 qdev_prop_set_uint16(dev, "data_buffer_dep", 256);
325
326 busdev = SYS_BUS_DEVICE(dev);
327 sysbus_realize_and_unref(busdev, &error_fatal);
328 sysbus_mmio_map(busdev, 0, 0xF8003000);
329 sysbus_connect_irq(busdev, 0, pic[45-IRQ_OFFSET]);
330 for (n = 0; n < ARRAY_SIZE(dma_irqs); ++n) {
331 sysbus_connect_irq(busdev, n + 1, pic[dma_irqs[n] - IRQ_OFFSET]);
332 }
333
334 dev = qdev_new("xlnx.ps7-dev-cfg");
335 busdev = SYS_BUS_DEVICE(dev);
336 sysbus_realize_and_unref(busdev, &error_fatal);
337 sysbus_connect_irq(busdev, 0, pic[40 - IRQ_OFFSET]);
338 sysbus_mmio_map(busdev, 0, 0xF8007000);
339
340 zynq_binfo.ram_size = machine->ram_size;
341 zynq_binfo.nb_cpus = 1;
342 zynq_binfo.board_id = 0xd32;
343 zynq_binfo.loader_start = 0;
344 zynq_binfo.board_setup_addr = BOARD_SETUP_ADDR;
345 zynq_binfo.write_board_setup = zynq_write_board_setup;
346
347 arm_load_kernel(ARM_CPU(first_cpu), machine, &zynq_binfo);
348}
349
350static void zynq_machine_class_init(ObjectClass *oc, void *data)
351{
352 MachineClass *mc = MACHINE_CLASS(oc);
353 mc->desc = "Xilinx Zynq Platform Baseboard for Cortex-A9";
354 mc->init = zynq_init;
355 mc->max_cpus = 1;
356 mc->no_sdcard = 1;
357 mc->ignore_memory_transaction_failures = true;
358 mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-a9");
359 mc->default_ram_id = "zynq.ext_ram";
360}
361
362static const TypeInfo zynq_machine_type = {
363 .name = TYPE_ZYNQ_MACHINE,
364 .parent = TYPE_MACHINE,
365 .class_init = zynq_machine_class_init,
366 .instance_size = sizeof(ZynqMachineState),
367};
368
369static void zynq_machine_register_types(void)
370{
371 type_register_static(&zynq_machine_type);
372}
373
374type_init(zynq_machine_register_types)
375
