1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38#include "qemu/osdep.h"
39#include "qemu/error-report.h"
40#include "qapi/error.h"
41#include "qapi/visitor.h"
42#include "hw/boards.h"
43#include "hw/irq.h"
44#include "hw/loader.h"
45#include "hw/sysbus.h"
46#include "hw/char/serial.h"
47#include "hw/cpu/cluster.h"
48#include "hw/misc/unimp.h"
49#include "hw/sd/sd.h"
50#include "hw/ssi/ssi.h"
51#include "target/riscv/cpu.h"
52#include "hw/riscv/riscv_hart.h"
53#include "hw/riscv/sifive_u.h"
54#include "hw/riscv/boot.h"
55#include "hw/char/sifive_uart.h"
56#include "hw/intc/riscv_aclint.h"
57#include "hw/intc/sifive_plic.h"
58#include "chardev/char.h"
59#include "net/eth.h"
60#include "sysemu/device_tree.h"
61#include "sysemu/runstate.h"
62#include "sysemu/sysemu.h"
63
64#include <libfdt.h>
65
66
67#define CLINT_TIMEBASE_FREQ 1000000
68
69static const MemMapEntry sifive_u_memmap[] = {
70 [SIFIVE_U_DEV_DEBUG] = { 0x0, 0x100 },
71 [SIFIVE_U_DEV_MROM] = { 0x1000, 0xf000 },
72 [SIFIVE_U_DEV_CLINT] = { 0x2000000, 0x10000 },
73 [SIFIVE_U_DEV_L2CC] = { 0x2010000, 0x1000 },
74 [SIFIVE_U_DEV_PDMA] = { 0x3000000, 0x100000 },
75 [SIFIVE_U_DEV_L2LIM] = { 0x8000000, 0x2000000 },
76 [SIFIVE_U_DEV_PLIC] = { 0xc000000, 0x4000000 },
77 [SIFIVE_U_DEV_PRCI] = { 0x10000000, 0x1000 },
78 [SIFIVE_U_DEV_UART0] = { 0x10010000, 0x1000 },
79 [SIFIVE_U_DEV_UART1] = { 0x10011000, 0x1000 },
80 [SIFIVE_U_DEV_PWM0] = { 0x10020000, 0x1000 },
81 [SIFIVE_U_DEV_PWM1] = { 0x10021000, 0x1000 },
82 [SIFIVE_U_DEV_QSPI0] = { 0x10040000, 0x1000 },
83 [SIFIVE_U_DEV_QSPI2] = { 0x10050000, 0x1000 },
84 [SIFIVE_U_DEV_GPIO] = { 0x10060000, 0x1000 },
85 [SIFIVE_U_DEV_OTP] = { 0x10070000, 0x1000 },
86 [SIFIVE_U_DEV_GEM] = { 0x10090000, 0x2000 },
87 [SIFIVE_U_DEV_GEM_MGMT] = { 0x100a0000, 0x1000 },
88 [SIFIVE_U_DEV_DMC] = { 0x100b0000, 0x10000 },
89 [SIFIVE_U_DEV_FLASH0] = { 0x20000000, 0x10000000 },
90 [SIFIVE_U_DEV_DRAM] = { 0x80000000, 0x0 },
91};
92
93#define OTP_SERIAL 1
94#define GEM_REVISION 0x10070109
95
96static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap,
97 uint64_t mem_size, const char *cmdline, bool is_32_bit)
98{
99 MachineState *ms = MACHINE(qdev_get_machine());
100 void *fdt;
101 int cpu;
102 uint32_t *cells;
103 char *nodename;
104 uint32_t plic_phandle, prci_phandle, gpio_phandle, phandle = 1;
105 uint32_t hfclk_phandle, rtcclk_phandle, phy_phandle;
106 static const char * const ethclk_names[2] = { "pclk", "hclk" };
107 static const char * const clint_compat[2] = {
108 "sifive,clint0", "riscv,clint0"
109 };
110 static const char * const plic_compat[2] = {
111 "sifive,plic-1.0.0", "riscv,plic0"
112 };
113
114 if (ms->dtb) {
115 fdt = s->fdt = load_device_tree(ms->dtb, &s->fdt_size);
116 if (!fdt) {
117 error_report("load_device_tree() failed");
118 exit(1);
119 }
120 goto update_bootargs;
121 } else {
122 fdt = s->fdt = create_device_tree(&s->fdt_size);
123 if (!fdt) {
124 error_report("create_device_tree() failed");
125 exit(1);
126 }
127 }
128
129 qemu_fdt_setprop_string(fdt, "/", "model", "SiFive HiFive Unleashed A00");
130 qemu_fdt_setprop_string(fdt, "/", "compatible",
131 "sifive,hifive-unleashed-a00");
132 qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 0x2);
133 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 0x2);
134
135 qemu_fdt_add_subnode(fdt, "/soc");
136 qemu_fdt_setprop(fdt, "/soc", "ranges", NULL, 0);
137 qemu_fdt_setprop_string(fdt, "/soc", "compatible", "simple-bus");
138 qemu_fdt_setprop_cell(fdt, "/soc", "#size-cells", 0x2);
139 qemu_fdt_setprop_cell(fdt, "/soc", "#address-cells", 0x2);
140
141 hfclk_phandle = phandle++;
142 nodename = g_strdup_printf("/hfclk");
143 qemu_fdt_add_subnode(fdt, nodename);
144 qemu_fdt_setprop_cell(fdt, nodename, "phandle", hfclk_phandle);
145 qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "hfclk");
146 qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
147 SIFIVE_U_HFCLK_FREQ);
148 qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock");
149 qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0);
150 g_free(nodename);
151
152 rtcclk_phandle = phandle++;
153 nodename = g_strdup_printf("/rtcclk");
154 qemu_fdt_add_subnode(fdt, nodename);
155 qemu_fdt_setprop_cell(fdt, nodename, "phandle", rtcclk_phandle);
156 qemu_fdt_setprop_string(fdt, nodename, "clock-output-names", "rtcclk");
157 qemu_fdt_setprop_cell(fdt, nodename, "clock-frequency",
158 SIFIVE_U_RTCCLK_FREQ);
159 qemu_fdt_setprop_string(fdt, nodename, "compatible", "fixed-clock");
160 qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x0);
161 g_free(nodename);
162
163 nodename = g_strdup_printf("/memory@%lx",
164 (long)memmap[SIFIVE_U_DEV_DRAM].base);
165 qemu_fdt_add_subnode(fdt, nodename);
166 qemu_fdt_setprop_cells(fdt, nodename, "reg",
167 memmap[SIFIVE_U_DEV_DRAM].base >> 32, memmap[SIFIVE_U_DEV_DRAM].base,
168 mem_size >> 32, mem_size);
169 qemu_fdt_setprop_string(fdt, nodename, "device_type", "memory");
170 g_free(nodename);
171
172 qemu_fdt_add_subnode(fdt, "/cpus");
173 qemu_fdt_setprop_cell(fdt, "/cpus", "timebase-frequency",
174 CLINT_TIMEBASE_FREQ);
175 qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0x0);
176 qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 0x1);
177
178 for (cpu = ms->smp.cpus - 1; cpu >= 0; cpu--) {
179 int cpu_phandle = phandle++;
180 nodename = g_strdup_printf("/cpus/cpu@%d", cpu);
181 char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
182 char *isa;
183 qemu_fdt_add_subnode(fdt, nodename);
184
185 if (cpu != 0) {
186 if (is_32_bit) {
187 qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv32");
188 } else {
189 qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
190 }
191 isa = riscv_isa_string(&s->soc.u_cpus.harts[cpu - 1]);
192 } else {
193 isa = riscv_isa_string(&s->soc.e_cpus.harts[0]);
194 }
195 qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
196 qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
197 qemu_fdt_setprop_string(fdt, nodename, "status", "okay");
198 qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu);
199 qemu_fdt_setprop_string(fdt, nodename, "device_type", "cpu");
200 qemu_fdt_add_subnode(fdt, intc);
201 qemu_fdt_setprop_cell(fdt, intc, "phandle", cpu_phandle);
202 qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc");
203 qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0);
204 qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1);
205 g_free(isa);
206 g_free(intc);
207 g_free(nodename);
208 }
209
210 cells = g_new0(uint32_t, ms->smp.cpus * 4);
211 for (cpu = 0; cpu < ms->smp.cpus; cpu++) {
212 nodename =
213 g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
214 uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename);
215 cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle);
216 cells[cpu * 4 + 1] = cpu_to_be32(IRQ_M_SOFT);
217 cells[cpu * 4 + 2] = cpu_to_be32(intc_phandle);
218 cells[cpu * 4 + 3] = cpu_to_be32(IRQ_M_TIMER);
219 g_free(nodename);
220 }
221 nodename = g_strdup_printf("/soc/clint@%lx",
222 (long)memmap[SIFIVE_U_DEV_CLINT].base);
223 qemu_fdt_add_subnode(fdt, nodename);
224 qemu_fdt_setprop_string_array(fdt, nodename, "compatible",
225 (char **)&clint_compat, ARRAY_SIZE(clint_compat));
226 qemu_fdt_setprop_cells(fdt, nodename, "reg",
227 0x0, memmap[SIFIVE_U_DEV_CLINT].base,
228 0x0, memmap[SIFIVE_U_DEV_CLINT].size);
229 qemu_fdt_setprop(fdt, nodename, "interrupts-extended",
230 cells, ms->smp.cpus * sizeof(uint32_t) * 4);
231 g_free(cells);
232 g_free(nodename);
233
234 nodename = g_strdup_printf("/soc/otp@%lx",
235 (long)memmap[SIFIVE_U_DEV_OTP].base);
236 qemu_fdt_add_subnode(fdt, nodename);
237 qemu_fdt_setprop_cell(fdt, nodename, "fuse-count", SIFIVE_U_OTP_REG_SIZE);
238 qemu_fdt_setprop_cells(fdt, nodename, "reg",
239 0x0, memmap[SIFIVE_U_DEV_OTP].base,
240 0x0, memmap[SIFIVE_U_DEV_OTP].size);
241 qemu_fdt_setprop_string(fdt, nodename, "compatible",
242 "sifive,fu540-c000-otp");
243 g_free(nodename);
244
245 prci_phandle = phandle++;
246 nodename = g_strdup_printf("/soc/clock-controller@%lx",
247 (long)memmap[SIFIVE_U_DEV_PRCI].base);
248 qemu_fdt_add_subnode(fdt, nodename);
249 qemu_fdt_setprop_cell(fdt, nodename, "phandle", prci_phandle);
250 qemu_fdt_setprop_cell(fdt, nodename, "#clock-cells", 0x1);
251 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
252 hfclk_phandle, rtcclk_phandle);
253 qemu_fdt_setprop_cells(fdt, nodename, "reg",
254 0x0, memmap[SIFIVE_U_DEV_PRCI].base,
255 0x0, memmap[SIFIVE_U_DEV_PRCI].size);
256 qemu_fdt_setprop_string(fdt, nodename, "compatible",
257 "sifive,fu540-c000-prci");
258 g_free(nodename);
259
260 plic_phandle = phandle++;
261 cells = g_new0(uint32_t, ms->smp.cpus * 4 - 2);
262 for (cpu = 0; cpu < ms->smp.cpus; cpu++) {
263 nodename =
264 g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
265 uint32_t intc_phandle = qemu_fdt_get_phandle(fdt, nodename);
266
267 if (cpu == 0) {
268 cells[0] = cpu_to_be32(intc_phandle);
269 cells[1] = cpu_to_be32(IRQ_M_EXT);
270 } else {
271 cells[cpu * 4 - 2] = cpu_to_be32(intc_phandle);
272 cells[cpu * 4 - 1] = cpu_to_be32(IRQ_M_EXT);
273 cells[cpu * 4 + 0] = cpu_to_be32(intc_phandle);
274 cells[cpu * 4 + 1] = cpu_to_be32(IRQ_S_EXT);
275 }
276 g_free(nodename);
277 }
278 nodename = g_strdup_printf("/soc/interrupt-controller@%lx",
279 (long)memmap[SIFIVE_U_DEV_PLIC].base);
280 qemu_fdt_add_subnode(fdt, nodename);
281 qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", 1);
282 qemu_fdt_setprop_string_array(fdt, nodename, "compatible",
283 (char **)&plic_compat, ARRAY_SIZE(plic_compat));
284 qemu_fdt_setprop(fdt, nodename, "interrupt-controller", NULL, 0);
285 qemu_fdt_setprop(fdt, nodename, "interrupts-extended",
286 cells, (ms->smp.cpus * 4 - 2) * sizeof(uint32_t));
287 qemu_fdt_setprop_cells(fdt, nodename, "reg",
288 0x0, memmap[SIFIVE_U_DEV_PLIC].base,
289 0x0, memmap[SIFIVE_U_DEV_PLIC].size);
290 qemu_fdt_setprop_cell(fdt, nodename, "riscv,ndev", 0x35);
291 qemu_fdt_setprop_cell(fdt, nodename, "phandle", plic_phandle);
292 plic_phandle = qemu_fdt_get_phandle(fdt, nodename);
293 g_free(cells);
294 g_free(nodename);
295
296 gpio_phandle = phandle++;
297 nodename = g_strdup_printf("/soc/gpio@%lx",
298 (long)memmap[SIFIVE_U_DEV_GPIO].base);
299 qemu_fdt_add_subnode(fdt, nodename);
300 qemu_fdt_setprop_cell(fdt, nodename, "phandle", gpio_phandle);
301 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
302 prci_phandle, PRCI_CLK_TLCLK);
303 qemu_fdt_setprop_cell(fdt, nodename, "#interrupt-cells", 2);
304 qemu_fdt_setprop(fdt, nodename, "interrupt-controller", NULL, 0);
305 qemu_fdt_setprop_cell(fdt, nodename, "#gpio-cells", 2);
306 qemu_fdt_setprop(fdt, nodename, "gpio-controller", NULL, 0);
307 qemu_fdt_setprop_cells(fdt, nodename, "reg",
308 0x0, memmap[SIFIVE_U_DEV_GPIO].base,
309 0x0, memmap[SIFIVE_U_DEV_GPIO].size);
310 qemu_fdt_setprop_cells(fdt, nodename, "interrupts", SIFIVE_U_GPIO_IRQ0,
311 SIFIVE_U_GPIO_IRQ1, SIFIVE_U_GPIO_IRQ2, SIFIVE_U_GPIO_IRQ3,
312 SIFIVE_U_GPIO_IRQ4, SIFIVE_U_GPIO_IRQ5, SIFIVE_U_GPIO_IRQ6,
313 SIFIVE_U_GPIO_IRQ7, SIFIVE_U_GPIO_IRQ8, SIFIVE_U_GPIO_IRQ9,
314 SIFIVE_U_GPIO_IRQ10, SIFIVE_U_GPIO_IRQ11, SIFIVE_U_GPIO_IRQ12,
315 SIFIVE_U_GPIO_IRQ13, SIFIVE_U_GPIO_IRQ14, SIFIVE_U_GPIO_IRQ15);
316 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
317 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,gpio0");
318 g_free(nodename);
319
320 nodename = g_strdup_printf("/gpio-restart");
321 qemu_fdt_add_subnode(fdt, nodename);
322 qemu_fdt_setprop_cells(fdt, nodename, "gpios", gpio_phandle, 10, 1);
323 qemu_fdt_setprop_string(fdt, nodename, "compatible", "gpio-restart");
324 g_free(nodename);
325
326 nodename = g_strdup_printf("/soc/dma@%lx",
327 (long)memmap[SIFIVE_U_DEV_PDMA].base);
328 qemu_fdt_add_subnode(fdt, nodename);
329 qemu_fdt_setprop_cell(fdt, nodename, "#dma-cells", 1);
330 qemu_fdt_setprop_cells(fdt, nodename, "interrupts",
331 SIFIVE_U_PDMA_IRQ0, SIFIVE_U_PDMA_IRQ1, SIFIVE_U_PDMA_IRQ2,
332 SIFIVE_U_PDMA_IRQ3, SIFIVE_U_PDMA_IRQ4, SIFIVE_U_PDMA_IRQ5,
333 SIFIVE_U_PDMA_IRQ6, SIFIVE_U_PDMA_IRQ7);
334 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
335 qemu_fdt_setprop_cells(fdt, nodename, "reg",
336 0x0, memmap[SIFIVE_U_DEV_PDMA].base,
337 0x0, memmap[SIFIVE_U_DEV_PDMA].size);
338 qemu_fdt_setprop_string(fdt, nodename, "compatible",
339 "sifive,fu540-c000-pdma");
340 g_free(nodename);
341
342 nodename = g_strdup_printf("/soc/cache-controller@%lx",
343 (long)memmap[SIFIVE_U_DEV_L2CC].base);
344 qemu_fdt_add_subnode(fdt, nodename);
345 qemu_fdt_setprop_cells(fdt, nodename, "reg",
346 0x0, memmap[SIFIVE_U_DEV_L2CC].base,
347 0x0, memmap[SIFIVE_U_DEV_L2CC].size);
348 qemu_fdt_setprop_cells(fdt, nodename, "interrupts",
349 SIFIVE_U_L2CC_IRQ0, SIFIVE_U_L2CC_IRQ1, SIFIVE_U_L2CC_IRQ2);
350 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
351 qemu_fdt_setprop(fdt, nodename, "cache-unified", NULL, 0);
352 qemu_fdt_setprop_cell(fdt, nodename, "cache-size", 2097152);
353 qemu_fdt_setprop_cell(fdt, nodename, "cache-sets", 1024);
354 qemu_fdt_setprop_cell(fdt, nodename, "cache-level", 2);
355 qemu_fdt_setprop_cell(fdt, nodename, "cache-block-size", 64);
356 qemu_fdt_setprop_string(fdt, nodename, "compatible",
357 "sifive,fu540-c000-ccache");
358 g_free(nodename);
359
360 nodename = g_strdup_printf("/soc/spi@%lx",
361 (long)memmap[SIFIVE_U_DEV_QSPI2].base);
362 qemu_fdt_add_subnode(fdt, nodename);
363 qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0);
364 qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1);
365 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
366 prci_phandle, PRCI_CLK_TLCLK);
367 qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_QSPI2_IRQ);
368 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
369 qemu_fdt_setprop_cells(fdt, nodename, "reg",
370 0x0, memmap[SIFIVE_U_DEV_QSPI2].base,
371 0x0, memmap[SIFIVE_U_DEV_QSPI2].size);
372 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,spi0");
373 g_free(nodename);
374
375 nodename = g_strdup_printf("/soc/spi@%lx/mmc@0",
376 (long)memmap[SIFIVE_U_DEV_QSPI2].base);
377 qemu_fdt_add_subnode(fdt, nodename);
378 qemu_fdt_setprop(fdt, nodename, "disable-wp", NULL, 0);
379 qemu_fdt_setprop_cells(fdt, nodename, "voltage-ranges", 3300, 3300);
380 qemu_fdt_setprop_cell(fdt, nodename, "spi-max-frequency", 20000000);
381 qemu_fdt_setprop_cell(fdt, nodename, "reg", 0);
382 qemu_fdt_setprop_string(fdt, nodename, "compatible", "mmc-spi-slot");
383 g_free(nodename);
384
385 nodename = g_strdup_printf("/soc/spi@%lx",
386 (long)memmap[SIFIVE_U_DEV_QSPI0].base);
387 qemu_fdt_add_subnode(fdt, nodename);
388 qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0);
389 qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1);
390 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
391 prci_phandle, PRCI_CLK_TLCLK);
392 qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_QSPI0_IRQ);
393 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
394 qemu_fdt_setprop_cells(fdt, nodename, "reg",
395 0x0, memmap[SIFIVE_U_DEV_QSPI0].base,
396 0x0, memmap[SIFIVE_U_DEV_QSPI0].size);
397 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,spi0");
398 g_free(nodename);
399
400 nodename = g_strdup_printf("/soc/spi@%lx/flash@0",
401 (long)memmap[SIFIVE_U_DEV_QSPI0].base);
402 qemu_fdt_add_subnode(fdt, nodename);
403 qemu_fdt_setprop_cell(fdt, nodename, "spi-rx-bus-width", 4);
404 qemu_fdt_setprop_cell(fdt, nodename, "spi-tx-bus-width", 4);
405 qemu_fdt_setprop(fdt, nodename, "m25p,fast-read", NULL, 0);
406 qemu_fdt_setprop_cell(fdt, nodename, "spi-max-frequency", 50000000);
407 qemu_fdt_setprop_cell(fdt, nodename, "reg", 0);
408 qemu_fdt_setprop_string(fdt, nodename, "compatible", "jedec,spi-nor");
409 g_free(nodename);
410
411 phy_phandle = phandle++;
412 nodename = g_strdup_printf("/soc/ethernet@%lx",
413 (long)memmap[SIFIVE_U_DEV_GEM].base);
414 qemu_fdt_add_subnode(fdt, nodename);
415 qemu_fdt_setprop_string(fdt, nodename, "compatible",
416 "sifive,fu540-c000-gem");
417 qemu_fdt_setprop_cells(fdt, nodename, "reg",
418 0x0, memmap[SIFIVE_U_DEV_GEM].base,
419 0x0, memmap[SIFIVE_U_DEV_GEM].size,
420 0x0, memmap[SIFIVE_U_DEV_GEM_MGMT].base,
421 0x0, memmap[SIFIVE_U_DEV_GEM_MGMT].size);
422 qemu_fdt_setprop_string(fdt, nodename, "reg-names", "control");
423 qemu_fdt_setprop_string(fdt, nodename, "phy-mode", "gmii");
424 qemu_fdt_setprop_cell(fdt, nodename, "phy-handle", phy_phandle);
425 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
426 qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_GEM_IRQ);
427 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
428 prci_phandle, PRCI_CLK_GEMGXLPLL, prci_phandle, PRCI_CLK_GEMGXLPLL);
429 qemu_fdt_setprop_string_array(fdt, nodename, "clock-names",
430 (char **)ðclk_names, ARRAY_SIZE(ethclk_names));
431 qemu_fdt_setprop(fdt, nodename, "local-mac-address",
432 s->soc.gem.conf.macaddr.a, ETH_ALEN);
433 qemu_fdt_setprop_cell(fdt, nodename, "#address-cells", 1);
434 qemu_fdt_setprop_cell(fdt, nodename, "#size-cells", 0);
435
436 qemu_fdt_add_subnode(fdt, "/aliases");
437 qemu_fdt_setprop_string(fdt, "/aliases", "ethernet0", nodename);
438
439 g_free(nodename);
440
441 nodename = g_strdup_printf("/soc/ethernet@%lx/ethernet-phy@0",
442 (long)memmap[SIFIVE_U_DEV_GEM].base);
443 qemu_fdt_add_subnode(fdt, nodename);
444 qemu_fdt_setprop_cell(fdt, nodename, "phandle", phy_phandle);
445 qemu_fdt_setprop_cell(fdt, nodename, "reg", 0x0);
446 g_free(nodename);
447
448 nodename = g_strdup_printf("/soc/pwm@%lx",
449 (long)memmap[SIFIVE_U_DEV_PWM0].base);
450 qemu_fdt_add_subnode(fdt, nodename);
451 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,pwm0");
452 qemu_fdt_setprop_cells(fdt, nodename, "reg",
453 0x0, memmap[SIFIVE_U_DEV_PWM0].base,
454 0x0, memmap[SIFIVE_U_DEV_PWM0].size);
455 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
456 qemu_fdt_setprop_cells(fdt, nodename, "interrupts",
457 SIFIVE_U_PWM0_IRQ0, SIFIVE_U_PWM0_IRQ1,
458 SIFIVE_U_PWM0_IRQ2, SIFIVE_U_PWM0_IRQ3);
459 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
460 prci_phandle, PRCI_CLK_TLCLK);
461 qemu_fdt_setprop_cell(fdt, nodename, "#pwm-cells", 0);
462 g_free(nodename);
463
464 nodename = g_strdup_printf("/soc/pwm@%lx",
465 (long)memmap[SIFIVE_U_DEV_PWM1].base);
466 qemu_fdt_add_subnode(fdt, nodename);
467 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,pwm0");
468 qemu_fdt_setprop_cells(fdt, nodename, "reg",
469 0x0, memmap[SIFIVE_U_DEV_PWM1].base,
470 0x0, memmap[SIFIVE_U_DEV_PWM1].size);
471 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
472 qemu_fdt_setprop_cells(fdt, nodename, "interrupts",
473 SIFIVE_U_PWM1_IRQ0, SIFIVE_U_PWM1_IRQ1,
474 SIFIVE_U_PWM1_IRQ2, SIFIVE_U_PWM1_IRQ3);
475 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
476 prci_phandle, PRCI_CLK_TLCLK);
477 qemu_fdt_setprop_cell(fdt, nodename, "#pwm-cells", 0);
478 g_free(nodename);
479
480 nodename = g_strdup_printf("/soc/serial@%lx",
481 (long)memmap[SIFIVE_U_DEV_UART1].base);
482 qemu_fdt_add_subnode(fdt, nodename);
483 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0");
484 qemu_fdt_setprop_cells(fdt, nodename, "reg",
485 0x0, memmap[SIFIVE_U_DEV_UART1].base,
486 0x0, memmap[SIFIVE_U_DEV_UART1].size);
487 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
488 prci_phandle, PRCI_CLK_TLCLK);
489 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
490 qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_UART1_IRQ);
491
492 qemu_fdt_setprop_string(fdt, "/aliases", "serial1", nodename);
493 g_free(nodename);
494
495 nodename = g_strdup_printf("/soc/serial@%lx",
496 (long)memmap[SIFIVE_U_DEV_UART0].base);
497 qemu_fdt_add_subnode(fdt, nodename);
498 qemu_fdt_setprop_string(fdt, nodename, "compatible", "sifive,uart0");
499 qemu_fdt_setprop_cells(fdt, nodename, "reg",
500 0x0, memmap[SIFIVE_U_DEV_UART0].base,
501 0x0, memmap[SIFIVE_U_DEV_UART0].size);
502 qemu_fdt_setprop_cells(fdt, nodename, "clocks",
503 prci_phandle, PRCI_CLK_TLCLK);
504 qemu_fdt_setprop_cell(fdt, nodename, "interrupt-parent", plic_phandle);
505 qemu_fdt_setprop_cell(fdt, nodename, "interrupts", SIFIVE_U_UART0_IRQ);
506
507 qemu_fdt_add_subnode(fdt, "/chosen");
508 qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", nodename);
509 qemu_fdt_setprop_string(fdt, "/aliases", "serial0", nodename);
510
511 g_free(nodename);
512
513update_bootargs:
514 if (cmdline && *cmdline) {
515 qemu_fdt_setprop_string(fdt, "/chosen", "bootargs", cmdline);
516 }
517}
518
519static void sifive_u_machine_reset(void *opaque, int n, int level)
520{
521
522 if (!level) {
523 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
524 }
525}
526
527static void sifive_u_machine_init(MachineState *machine)
528{
529 const MemMapEntry *memmap = sifive_u_memmap;
530 SiFiveUState *s = RISCV_U_MACHINE(machine);
531 MemoryRegion *system_memory = get_system_memory();
532 MemoryRegion *flash0 = g_new(MemoryRegion, 1);
533 target_ulong start_addr = memmap[SIFIVE_U_DEV_DRAM].base;
534 target_ulong firmware_end_addr, kernel_start_addr;
535 uint32_t start_addr_hi32 = 0x00000000;
536 int i;
537 uint32_t fdt_load_addr;
538 uint64_t kernel_entry;
539 DriveInfo *dinfo;
540 BlockBackend *blk;
541 DeviceState *flash_dev, *sd_dev, *card_dev;
542 qemu_irq flash_cs, sd_cs;
543
544
545 object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_RISCV_U_SOC);
546 object_property_set_uint(OBJECT(&s->soc), "serial", s->serial,
547 &error_abort);
548 object_property_set_str(OBJECT(&s->soc), "cpu-type", machine->cpu_type,
549 &error_abort);
550 qdev_realize(DEVICE(&s->soc), NULL, &error_fatal);
551
552
553 memory_region_add_subregion(system_memory, memmap[SIFIVE_U_DEV_DRAM].base,
554 machine->ram);
555
556
557 memory_region_init_ram(flash0, NULL, "riscv.sifive.u.flash0",
558 memmap[SIFIVE_U_DEV_FLASH0].size, &error_fatal);
559 memory_region_add_subregion(system_memory, memmap[SIFIVE_U_DEV_FLASH0].base,
560 flash0);
561
562
563 qdev_connect_gpio_out(DEVICE(&(s->soc.gpio)), 10,
564 qemu_allocate_irq(sifive_u_machine_reset, NULL, 0));
565
566
567 create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline,
568 riscv_is_32bit(&s->soc.u_cpus));
569
570 if (s->start_in_flash) {
571
572
573
574
575
576
577
578
579
580
581 s->msel = MSEL_MEMMAP_QSPI0_FLASH;
582 }
583
584 switch (s->msel) {
585 case MSEL_MEMMAP_QSPI0_FLASH:
586 start_addr = memmap[SIFIVE_U_DEV_FLASH0].base;
587 break;
588 case MSEL_L2LIM_QSPI0_FLASH:
589 case MSEL_L2LIM_QSPI2_SD:
590 start_addr = memmap[SIFIVE_U_DEV_L2LIM].base;
591 break;
592 default:
593 start_addr = memmap[SIFIVE_U_DEV_DRAM].base;
594 break;
595 }
596
597 if (riscv_is_32bit(&s->soc.u_cpus)) {
598 firmware_end_addr = riscv_find_and_load_firmware(machine,
599 RISCV32_BIOS_BIN, start_addr, NULL);
600 } else {
601 firmware_end_addr = riscv_find_and_load_firmware(machine,
602 RISCV64_BIOS_BIN, start_addr, NULL);
603 }
604
605 if (machine->kernel_filename) {
606 kernel_start_addr = riscv_calc_kernel_start_addr(&s->soc.u_cpus,
607 firmware_end_addr);
608
609 kernel_entry = riscv_load_kernel(machine->kernel_filename,
610 kernel_start_addr, NULL);
611
612 if (machine->initrd_filename) {
613 hwaddr start;
614 hwaddr end = riscv_load_initrd(machine->initrd_filename,
615 machine->ram_size, kernel_entry,
616 &start);
617 qemu_fdt_setprop_cell(s->fdt, "/chosen",
618 "linux,initrd-start", start);
619 qemu_fdt_setprop_cell(s->fdt, "/chosen", "linux,initrd-end",
620 end);
621 }
622 } else {
623
624
625
626
627 kernel_entry = 0;
628 }
629
630
631 fdt_load_addr = riscv_load_fdt(memmap[SIFIVE_U_DEV_DRAM].base,
632 machine->ram_size, s->fdt);
633 if (!riscv_is_32bit(&s->soc.u_cpus)) {
634 start_addr_hi32 = (uint64_t)start_addr >> 32;
635 }
636
637
638 machine->fdt = s->fdt;
639
640
641 uint32_t reset_vec[12] = {
642 s->msel,
643 0x00000297,
644 0x02c28613,
645 0xf1402573,
646 0,
647 0,
648 0x00028067,
649 start_addr,
650 start_addr_hi32,
651 fdt_load_addr,
652 0x00000000,
653 0x00000000,
654
655 };
656 if (riscv_is_32bit(&s->soc.u_cpus)) {
657 reset_vec[4] = 0x0202a583;
658 reset_vec[5] = 0x0182a283;
659 } else {
660 reset_vec[4] = 0x0202b583;
661 reset_vec[5] = 0x0182b283;
662 }
663
664
665
666 for (i = 0; i < ARRAY_SIZE(reset_vec); i++) {
667 reset_vec[i] = cpu_to_le32(reset_vec[i]);
668 }
669 rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec),
670 memmap[SIFIVE_U_DEV_MROM].base, &address_space_memory);
671
672 riscv_rom_copy_firmware_info(machine, memmap[SIFIVE_U_DEV_MROM].base,
673 memmap[SIFIVE_U_DEV_MROM].size,
674 sizeof(reset_vec), kernel_entry);
675
676
677 flash_dev = qdev_new("is25wp256");
678 dinfo = drive_get(IF_MTD, 0, 0);
679 if (dinfo) {
680 qdev_prop_set_drive_err(flash_dev, "drive",
681 blk_by_legacy_dinfo(dinfo),
682 &error_fatal);
683 }
684 qdev_realize_and_unref(flash_dev, BUS(s->soc.spi0.spi), &error_fatal);
685
686 flash_cs = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
687 sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi0), 1, flash_cs);
688
689
690 sd_dev = ssi_create_peripheral(s->soc.spi2.spi, "ssi-sd");
691
692 sd_cs = qdev_get_gpio_in_named(sd_dev, SSI_GPIO_CS, 0);
693 sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi2), 1, sd_cs);
694
695 dinfo = drive_get(IF_SD, 0, 0);
696 blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL;
697 card_dev = qdev_new(TYPE_SD_CARD);
698 qdev_prop_set_drive_err(card_dev, "drive", blk, &error_fatal);
699 qdev_prop_set_bit(card_dev, "spi", true);
700 qdev_realize_and_unref(card_dev,
701 qdev_get_child_bus(sd_dev, "sd-bus"),
702 &error_fatal);
703}
704
705static bool sifive_u_machine_get_start_in_flash(Object *obj, Error **errp)
706{
707 SiFiveUState *s = RISCV_U_MACHINE(obj);
708
709 return s->start_in_flash;
710}
711
712static void sifive_u_machine_set_start_in_flash(Object *obj, bool value, Error **errp)
713{
714 SiFiveUState *s = RISCV_U_MACHINE(obj);
715
716 s->start_in_flash = value;
717}
718
719static void sifive_u_machine_instance_init(Object *obj)
720{
721 SiFiveUState *s = RISCV_U_MACHINE(obj);
722
723 s->start_in_flash = false;
724 s->msel = 0;
725 object_property_add_uint32_ptr(obj, "msel", &s->msel,
726 OBJ_PROP_FLAG_READWRITE);
727 object_property_set_description(obj, "msel",
728 "Mode Select (MSEL[3:0]) pin state");
729
730 s->serial = OTP_SERIAL;
731 object_property_add_uint32_ptr(obj, "serial", &s->serial,
732 OBJ_PROP_FLAG_READWRITE);
733 object_property_set_description(obj, "serial", "Board serial number");
734}
735
736static void sifive_u_machine_class_init(ObjectClass *oc, void *data)
737{
738 MachineClass *mc = MACHINE_CLASS(oc);
739
740 mc->desc = "RISC-V Board compatible with SiFive U SDK";
741 mc->init = sifive_u_machine_init;
742 mc->max_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + SIFIVE_U_COMPUTE_CPU_COUNT;
743 mc->min_cpus = SIFIVE_U_MANAGEMENT_CPU_COUNT + 1;
744 mc->default_cpu_type = SIFIVE_U_CPU;
745 mc->default_cpus = mc->min_cpus;
746 mc->default_ram_id = "riscv.sifive.u.ram";
747
748 object_class_property_add_bool(oc, "start-in-flash",
749 sifive_u_machine_get_start_in_flash,
750 sifive_u_machine_set_start_in_flash);
751 object_class_property_set_description(oc, "start-in-flash",
752 "Set on to tell QEMU's ROM to jump to "
753 "flash. Otherwise QEMU will jump to DRAM "
754 "or L2LIM depending on the msel value");
755}
756
757static const TypeInfo sifive_u_machine_typeinfo = {
758 .name = MACHINE_TYPE_NAME("sifive_u"),
759 .parent = TYPE_MACHINE,
760 .class_init = sifive_u_machine_class_init,
761 .instance_init = sifive_u_machine_instance_init,
762 .instance_size = sizeof(SiFiveUState),
763};
764
765static void sifive_u_machine_init_register_types(void)
766{
767 type_register_static(&sifive_u_machine_typeinfo);
768}
769
770type_init(sifive_u_machine_init_register_types)
771
772static void sifive_u_soc_instance_init(Object *obj)
773{
774 SiFiveUSoCState *s = RISCV_U_SOC(obj);
775
776 object_initialize_child(obj, "e-cluster", &s->e_cluster, TYPE_CPU_CLUSTER);
777 qdev_prop_set_uint32(DEVICE(&s->e_cluster), "cluster-id", 0);
778
779 object_initialize_child(OBJECT(&s->e_cluster), "e-cpus", &s->e_cpus,
780 TYPE_RISCV_HART_ARRAY);
781 qdev_prop_set_uint32(DEVICE(&s->e_cpus), "num-harts", 1);
782 qdev_prop_set_uint32(DEVICE(&s->e_cpus), "hartid-base", 0);
783 qdev_prop_set_string(DEVICE(&s->e_cpus), "cpu-type", SIFIVE_E_CPU);
784 qdev_prop_set_uint64(DEVICE(&s->e_cpus), "resetvec", 0x1004);
785
786 object_initialize_child(obj, "u-cluster", &s->u_cluster, TYPE_CPU_CLUSTER);
787 qdev_prop_set_uint32(DEVICE(&s->u_cluster), "cluster-id", 1);
788
789 object_initialize_child(OBJECT(&s->u_cluster), "u-cpus", &s->u_cpus,
790 TYPE_RISCV_HART_ARRAY);
791
792 object_initialize_child(obj, "prci", &s->prci, TYPE_SIFIVE_U_PRCI);
793 object_initialize_child(obj, "otp", &s->otp, TYPE_SIFIVE_U_OTP);
794 object_initialize_child(obj, "gem", &s->gem, TYPE_CADENCE_GEM);
795 object_initialize_child(obj, "gpio", &s->gpio, TYPE_SIFIVE_GPIO);
796 object_initialize_child(obj, "pdma", &s->dma, TYPE_SIFIVE_PDMA);
797 object_initialize_child(obj, "spi0", &s->spi0, TYPE_SIFIVE_SPI);
798 object_initialize_child(obj, "spi2", &s->spi2, TYPE_SIFIVE_SPI);
799 object_initialize_child(obj, "pwm0", &s->pwm[0], TYPE_SIFIVE_PWM);
800 object_initialize_child(obj, "pwm1", &s->pwm[1], TYPE_SIFIVE_PWM);
801}
802
803static void sifive_u_soc_realize(DeviceState *dev, Error **errp)
804{
805 MachineState *ms = MACHINE(qdev_get_machine());
806 SiFiveUSoCState *s = RISCV_U_SOC(dev);
807 const MemMapEntry *memmap = sifive_u_memmap;
808 MemoryRegion *system_memory = get_system_memory();
809 MemoryRegion *mask_rom = g_new(MemoryRegion, 1);
810 MemoryRegion *l2lim_mem = g_new(MemoryRegion, 1);
811 char *plic_hart_config;
812 int i, j;
813 NICInfo *nd = &nd_table[0];
814
815 qdev_prop_set_uint32(DEVICE(&s->u_cpus), "num-harts", ms->smp.cpus - 1);
816 qdev_prop_set_uint32(DEVICE(&s->u_cpus), "hartid-base", 1);
817 qdev_prop_set_string(DEVICE(&s->u_cpus), "cpu-type", s->cpu_type);
818 qdev_prop_set_uint64(DEVICE(&s->u_cpus), "resetvec", 0x1004);
819
820 sysbus_realize(SYS_BUS_DEVICE(&s->e_cpus), &error_fatal);
821 sysbus_realize(SYS_BUS_DEVICE(&s->u_cpus), &error_fatal);
822
823
824
825
826
827
828 qdev_realize(DEVICE(&s->e_cluster), NULL, &error_abort);
829 qdev_realize(DEVICE(&s->u_cluster), NULL, &error_abort);
830
831
832 memory_region_init_rom(mask_rom, OBJECT(dev), "riscv.sifive.u.mrom",
833 memmap[SIFIVE_U_DEV_MROM].size, &error_fatal);
834 memory_region_add_subregion(system_memory, memmap[SIFIVE_U_DEV_MROM].base,
835 mask_rom);
836
837
838
839
840
841
842
843
844
845
846 memory_region_init_ram(l2lim_mem, NULL, "riscv.sifive.u.l2lim",
847 memmap[SIFIVE_U_DEV_L2LIM].size, &error_fatal);
848 memory_region_add_subregion(system_memory, memmap[SIFIVE_U_DEV_L2LIM].base,
849 l2lim_mem);
850
851
852 plic_hart_config = riscv_plic_hart_config_string(ms->smp.cpus);
853
854
855 s->plic = sifive_plic_create(memmap[SIFIVE_U_DEV_PLIC].base,
856 plic_hart_config, ms->smp.cpus, 0,
857 SIFIVE_U_PLIC_NUM_SOURCES,
858 SIFIVE_U_PLIC_NUM_PRIORITIES,
859 SIFIVE_U_PLIC_PRIORITY_BASE,
860 SIFIVE_U_PLIC_PENDING_BASE,
861 SIFIVE_U_PLIC_ENABLE_BASE,
862 SIFIVE_U_PLIC_ENABLE_STRIDE,
863 SIFIVE_U_PLIC_CONTEXT_BASE,
864 SIFIVE_U_PLIC_CONTEXT_STRIDE,
865 memmap[SIFIVE_U_DEV_PLIC].size);
866 g_free(plic_hart_config);
867 sifive_uart_create(system_memory, memmap[SIFIVE_U_DEV_UART0].base,
868 serial_hd(0), qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_UART0_IRQ));
869 sifive_uart_create(system_memory, memmap[SIFIVE_U_DEV_UART1].base,
870 serial_hd(1), qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_UART1_IRQ));
871 riscv_aclint_swi_create(memmap[SIFIVE_U_DEV_CLINT].base, 0,
872 ms->smp.cpus, false);
873 riscv_aclint_mtimer_create(memmap[SIFIVE_U_DEV_CLINT].base +
874 RISCV_ACLINT_SWI_SIZE,
875 RISCV_ACLINT_DEFAULT_MTIMER_SIZE, 0, ms->smp.cpus,
876 RISCV_ACLINT_DEFAULT_MTIMECMP, RISCV_ACLINT_DEFAULT_MTIME,
877 CLINT_TIMEBASE_FREQ, false);
878
879 if (!sysbus_realize(SYS_BUS_DEVICE(&s->prci), errp)) {
880 return;
881 }
882 sysbus_mmio_map(SYS_BUS_DEVICE(&s->prci), 0, memmap[SIFIVE_U_DEV_PRCI].base);
883
884 qdev_prop_set_uint32(DEVICE(&s->gpio), "ngpio", 16);
885 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
886 return;
887 }
888 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, memmap[SIFIVE_U_DEV_GPIO].base);
889
890
891 qdev_pass_gpios(DEVICE(&s->gpio), dev, NULL);
892
893
894 for (i = 0; i < 16; i++) {
895 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), i,
896 qdev_get_gpio_in(DEVICE(s->plic),
897 SIFIVE_U_GPIO_IRQ0 + i));
898 }
899
900
901 sysbus_realize(SYS_BUS_DEVICE(&s->dma), errp);
902 sysbus_mmio_map(SYS_BUS_DEVICE(&s->dma), 0, memmap[SIFIVE_U_DEV_PDMA].base);
903
904
905 for (i = 0; i < SIFIVE_PDMA_IRQS; i++) {
906 sysbus_connect_irq(SYS_BUS_DEVICE(&s->dma), i,
907 qdev_get_gpio_in(DEVICE(s->plic),
908 SIFIVE_U_PDMA_IRQ0 + i));
909 }
910
911 qdev_prop_set_uint32(DEVICE(&s->otp), "serial", s->serial);
912 if (!sysbus_realize(SYS_BUS_DEVICE(&s->otp), errp)) {
913 return;
914 }
915 sysbus_mmio_map(SYS_BUS_DEVICE(&s->otp), 0, memmap[SIFIVE_U_DEV_OTP].base);
916
917
918 if (nd->used) {
919 qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
920 qdev_set_nic_properties(DEVICE(&s->gem), nd);
921 }
922 object_property_set_int(OBJECT(&s->gem), "revision", GEM_REVISION,
923 &error_abort);
924 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gem), errp)) {
925 return;
926 }
927 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem), 0, memmap[SIFIVE_U_DEV_GEM].base);
928 sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem), 0,
929 qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_GEM_IRQ));
930
931
932 for (i = 0; i < 2; i++) {
933 if (!sysbus_realize(SYS_BUS_DEVICE(&s->pwm[i]), errp)) {
934 return;
935 }
936 sysbus_mmio_map(SYS_BUS_DEVICE(&s->pwm[i]), 0,
937 memmap[SIFIVE_U_DEV_PWM0].base + (0x1000 * i));
938
939
940 for (j = 0; j < SIFIVE_PWM_IRQS; j++) {
941 sysbus_connect_irq(SYS_BUS_DEVICE(&s->pwm[i]), j,
942 qdev_get_gpio_in(DEVICE(s->plic),
943 SIFIVE_U_PWM0_IRQ0 + (i * 4) + j));
944 }
945 }
946
947 create_unimplemented_device("riscv.sifive.u.gem-mgmt",
948 memmap[SIFIVE_U_DEV_GEM_MGMT].base, memmap[SIFIVE_U_DEV_GEM_MGMT].size);
949
950 create_unimplemented_device("riscv.sifive.u.dmc",
951 memmap[SIFIVE_U_DEV_DMC].base, memmap[SIFIVE_U_DEV_DMC].size);
952
953 create_unimplemented_device("riscv.sifive.u.l2cc",
954 memmap[SIFIVE_U_DEV_L2CC].base, memmap[SIFIVE_U_DEV_L2CC].size);
955
956 sysbus_realize(SYS_BUS_DEVICE(&s->spi0), errp);
957 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi0), 0,
958 memmap[SIFIVE_U_DEV_QSPI0].base);
959 sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi0), 0,
960 qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI0_IRQ));
961 sysbus_realize(SYS_BUS_DEVICE(&s->spi2), errp);
962 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi2), 0,
963 memmap[SIFIVE_U_DEV_QSPI2].base);
964 sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi2), 0,
965 qdev_get_gpio_in(DEVICE(s->plic), SIFIVE_U_QSPI2_IRQ));
966}
967
968static Property sifive_u_soc_props[] = {
969 DEFINE_PROP_UINT32("serial", SiFiveUSoCState, serial, OTP_SERIAL),
970 DEFINE_PROP_STRING("cpu-type", SiFiveUSoCState, cpu_type),
971 DEFINE_PROP_END_OF_LIST()
972};
973
974static void sifive_u_soc_class_init(ObjectClass *oc, void *data)
975{
976 DeviceClass *dc = DEVICE_CLASS(oc);
977
978 device_class_set_props(dc, sifive_u_soc_props);
979 dc->realize = sifive_u_soc_realize;
980
981 dc->user_creatable = false;
982}
983
984static const TypeInfo sifive_u_soc_type_info = {
985 .name = TYPE_RISCV_U_SOC,
986 .parent = TYPE_DEVICE,
987 .instance_size = sizeof(SiFiveUSoCState),
988 .instance_init = sifive_u_soc_instance_init,
989 .class_init = sifive_u_soc_class_init,
990};
991
992static void sifive_u_soc_register_types(void)
993{
994 type_register_static(&sifive_u_soc_type_info);
995}
996
997type_init(sifive_u_soc_register_types)
998