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Do not include hw/boards.h if it's not really necessary
[qemu/ar7.git] / hw / arm / npcm7xx.c
blob495b0f8e91d7fe72a398231c5466e56577be5aff
1 /*
2 * Nuvoton NPCM7xx SoC family.
3 *
4 * Copyright 2020 Google LLC
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 */
16
17 #include "qemu/osdep.h"
18
19 #include "exec/address-spaces.h"
20 #include "hw/arm/boot.h"
21 #include "hw/arm/npcm7xx.h"
22 #include "hw/char/serial.h"
23 #include "hw/loader.h"
24 #include "hw/misc/unimp.h"
25 #include "hw/qdev-clock.h"
26 #include "hw/qdev-properties.h"
27 #include "qapi/error.h"
28 #include "qemu/units.h"
29 #include "sysemu/sysemu.h"
30
31 /*
32 * This covers the whole MMIO space. We'll use this to catch any MMIO accesses
33 * that aren't handled by any device.
34 */
35 #define NPCM7XX_MMIO_BA (0x80000000)
36 #define NPCM7XX_MMIO_SZ (0x7ffd0000)
37
38 /* OTP key storage and fuse strap array */
39 #define NPCM7XX_OTP1_BA (0xf0189000)
40 #define NPCM7XX_OTP2_BA (0xf018a000)
41
42 /* Core system modules. */
43 #define NPCM7XX_L2C_BA (0xf03fc000)
44 #define NPCM7XX_CPUP_BA (0xf03fe000)
45 #define NPCM7XX_GCR_BA (0xf0800000)
46 #define NPCM7XX_CLK_BA (0xf0801000)
47 #define NPCM7XX_MC_BA (0xf0824000)
48 #define NPCM7XX_RNG_BA (0xf000b000)
49
50 /* USB Host modules */
51 #define NPCM7XX_EHCI_BA (0xf0806000)
52 #define NPCM7XX_OHCI_BA (0xf0807000)
53
54 /* ADC Module */
55 #define NPCM7XX_ADC_BA (0xf000c000)
56
57 /* Internal AHB SRAM */
58 #define NPCM7XX_RAM3_BA (0xc0008000)
59 #define NPCM7XX_RAM3_SZ (4 * KiB)
60
61 /* Memory blocks at the end of the address space */
62 #define NPCM7XX_RAM2_BA (0xfffd0000)
63 #define NPCM7XX_RAM2_SZ (128 * KiB)
64 #define NPCM7XX_ROM_BA (0xffff0000)
65 #define NPCM7XX_ROM_SZ (64 * KiB)
66
67
68 /* Clock configuration values to be fixed up when bypassing bootloader */
69
70 /* Run PLL1 at 1600 MHz */
71 #define NPCM7XX_PLLCON1_FIXUP_VAL (0x00402101)
72 /* Run the CPU from PLL1 and UART from PLL2 */
73 #define NPCM7XX_CLKSEL_FIXUP_VAL (0x004aaba9)
74
75 /*
76 * Interrupt lines going into the GIC. This does not include internal Cortex-A9
77 * interrupts.
78 */
79 enum NPCM7xxInterrupt {
80 NPCM7XX_ADC_IRQ = 0,
81 NPCM7XX_UART0_IRQ = 2,
82 NPCM7XX_UART1_IRQ,
83 NPCM7XX_UART2_IRQ,
84 NPCM7XX_UART3_IRQ,
85 NPCM7XX_EMC1RX_IRQ = 15,
86 NPCM7XX_EMC1TX_IRQ,
87 NPCM7XX_TIMER0_IRQ = 32, /* Timer Module 0 */
88 NPCM7XX_TIMER1_IRQ,
89 NPCM7XX_TIMER2_IRQ,
90 NPCM7XX_TIMER3_IRQ,
91 NPCM7XX_TIMER4_IRQ,
92 NPCM7XX_TIMER5_IRQ, /* Timer Module 1 */
93 NPCM7XX_TIMER6_IRQ,
94 NPCM7XX_TIMER7_IRQ,
95 NPCM7XX_TIMER8_IRQ,
96 NPCM7XX_TIMER9_IRQ,
97 NPCM7XX_TIMER10_IRQ, /* Timer Module 2 */
98 NPCM7XX_TIMER11_IRQ,
99 NPCM7XX_TIMER12_IRQ,
100 NPCM7XX_TIMER13_IRQ,
101 NPCM7XX_TIMER14_IRQ,
102 NPCM7XX_WDG0_IRQ = 47, /* Timer Module 0 Watchdog */
103 NPCM7XX_WDG1_IRQ, /* Timer Module 1 Watchdog */
104 NPCM7XX_WDG2_IRQ, /* Timer Module 2 Watchdog */
105 NPCM7XX_EHCI_IRQ = 61,
106 NPCM7XX_OHCI_IRQ = 62,
107 NPCM7XX_SMBUS0_IRQ = 64,
108 NPCM7XX_SMBUS1_IRQ,
109 NPCM7XX_SMBUS2_IRQ,
110 NPCM7XX_SMBUS3_IRQ,
111 NPCM7XX_SMBUS4_IRQ,
112 NPCM7XX_SMBUS5_IRQ,
113 NPCM7XX_SMBUS6_IRQ,
114 NPCM7XX_SMBUS7_IRQ,
115 NPCM7XX_SMBUS8_IRQ,
116 NPCM7XX_SMBUS9_IRQ,
117 NPCM7XX_SMBUS10_IRQ,
118 NPCM7XX_SMBUS11_IRQ,
119 NPCM7XX_SMBUS12_IRQ,
120 NPCM7XX_SMBUS13_IRQ,
121 NPCM7XX_SMBUS14_IRQ,
122 NPCM7XX_SMBUS15_IRQ,
123 NPCM7XX_PWM0_IRQ = 93, /* PWM module 0 */
124 NPCM7XX_PWM1_IRQ, /* PWM module 1 */
125 NPCM7XX_MFT0_IRQ = 96, /* MFT module 0 */
126 NPCM7XX_MFT1_IRQ, /* MFT module 1 */
127 NPCM7XX_MFT2_IRQ, /* MFT module 2 */
128 NPCM7XX_MFT3_IRQ, /* MFT module 3 */
129 NPCM7XX_MFT4_IRQ, /* MFT module 4 */
130 NPCM7XX_MFT5_IRQ, /* MFT module 5 */
131 NPCM7XX_MFT6_IRQ, /* MFT module 6 */
132 NPCM7XX_MFT7_IRQ, /* MFT module 7 */
133 NPCM7XX_EMC2RX_IRQ = 114,
134 NPCM7XX_EMC2TX_IRQ,
135 NPCM7XX_GPIO0_IRQ = 116,
136 NPCM7XX_GPIO1_IRQ,
137 NPCM7XX_GPIO2_IRQ,
138 NPCM7XX_GPIO3_IRQ,
139 NPCM7XX_GPIO4_IRQ,
140 NPCM7XX_GPIO5_IRQ,
141 NPCM7XX_GPIO6_IRQ,
142 NPCM7XX_GPIO7_IRQ,
143 };
144
145 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
146 #define NPCM7XX_NUM_IRQ (160)
147
148 /* Register base address for each Timer Module */
149 static const hwaddr npcm7xx_tim_addr[] = {
150 0xf0008000,
151 0xf0009000,
152 0xf000a000,
153 };
154
155 /* Register base address for each 16550 UART */
156 static const hwaddr npcm7xx_uart_addr[] = {
157 0xf0001000,
158 0xf0002000,
159 0xf0003000,
160 0xf0004000,
161 };
162
163 /* Direct memory-mapped access to SPI0 CS0-1. */
164 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
165 0x80000000, /* CS0 */
166 0x88000000, /* CS1 */
167 };
168
169 /* Direct memory-mapped access to SPI3 CS0-3. */
170 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
171 0xa0000000, /* CS0 */
172 0xa8000000, /* CS1 */
173 0xb0000000, /* CS2 */
174 0xb8000000, /* CS3 */
175 };
176
177 /* Register base address for each PWM Module */
178 static const hwaddr npcm7xx_pwm_addr[] = {
179 0xf0103000,
180 0xf0104000,
181 };
182
183 /* Register base address for each MFT Module */
184 static const hwaddr npcm7xx_mft_addr[] = {
185 0xf0180000,
186 0xf0181000,
187 0xf0182000,
188 0xf0183000,
189 0xf0184000,
190 0xf0185000,
191 0xf0186000,
192 0xf0187000,
193 };
194
195 /* Direct memory-mapped access to each SMBus Module. */
196 static const hwaddr npcm7xx_smbus_addr[] = {
197 0xf0080000,
198 0xf0081000,
199 0xf0082000,
200 0xf0083000,
201 0xf0084000,
202 0xf0085000,
203 0xf0086000,
204 0xf0087000,
205 0xf0088000,
206 0xf0089000,
207 0xf008a000,
208 0xf008b000,
209 0xf008c000,
210 0xf008d000,
211 0xf008e000,
212 0xf008f000,
213 };
214
215 /* Register base address for each EMC Module */
216 static const hwaddr npcm7xx_emc_addr[] = {
217 0xf0825000,
218 0xf0826000,
219 };
220
221 static const struct {
222 hwaddr regs_addr;
223 uint32_t unconnected_pins;
224 uint32_t reset_pu;
225 uint32_t reset_pd;
226 uint32_t reset_osrc;
227 uint32_t reset_odsc;
228 } npcm7xx_gpio[] = {
229 {
230 .regs_addr = 0xf0010000,
231 .reset_pu = 0xff03ffff,
232 .reset_pd = 0x00fc0000,
233 }, {
234 .regs_addr = 0xf0011000,
235 .unconnected_pins = 0x0000001e,
236 .reset_pu = 0xfefffe07,
237 .reset_pd = 0x010001e0,
238 }, {
239 .regs_addr = 0xf0012000,
240 .reset_pu = 0x780fffff,
241 .reset_pd = 0x07f00000,
242 .reset_odsc = 0x00700000,
243 }, {
244 .regs_addr = 0xf0013000,
245 .reset_pu = 0x00fc0000,
246 .reset_pd = 0xff000000,
247 }, {
248 .regs_addr = 0xf0014000,
249 .reset_pu = 0xffffffff,
250 }, {
251 .regs_addr = 0xf0015000,
252 .reset_pu = 0xbf83f801,
253 .reset_pd = 0x007c0000,
254 .reset_osrc = 0x000000f1,
255 .reset_odsc = 0x3f9f80f1,
256 }, {
257 .regs_addr = 0xf0016000,
258 .reset_pu = 0xfc00f801,
259 .reset_pd = 0x000007fe,
260 .reset_odsc = 0x00000800,
261 }, {
262 .regs_addr = 0xf0017000,
263 .unconnected_pins = 0xffffff00,
264 .reset_pu = 0x0000007f,
265 .reset_osrc = 0x0000007f,
266 .reset_odsc = 0x0000007f,
267 },
268 };
269
270 static const struct {
271 const char *name;
272 hwaddr regs_addr;
273 int cs_count;
274 const hwaddr *flash_addr;
275 } npcm7xx_fiu[] = {
276 {
277 .name = "fiu0",
278 .regs_addr = 0xfb000000,
279 .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
280 .flash_addr = npcm7xx_fiu0_flash_addr,
281 }, {
282 .name = "fiu3",
283 .regs_addr = 0xc0000000,
284 .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
285 .flash_addr = npcm7xx_fiu3_flash_addr,
286 },
287 };
288
289 static void npcm7xx_write_board_setup(ARMCPU *cpu,
290 const struct arm_boot_info *info)
291 {
292 uint32_t board_setup[] = {
293 0xe59f0010, /* ldr r0, clk_base_addr */
294 0xe59f1010, /* ldr r1, pllcon1_value */
295 0xe5801010, /* str r1, [r0, #16] */
296 0xe59f100c, /* ldr r1, clksel_value */
297 0xe5801004, /* str r1, [r0, #4] */
298 0xe12fff1e, /* bx lr */
299 NPCM7XX_CLK_BA,
300 NPCM7XX_PLLCON1_FIXUP_VAL,
301 NPCM7XX_CLKSEL_FIXUP_VAL,
302 };
303 int i;
304
305 for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
306 board_setup[i] = tswap32(board_setup[i]);
307 }
308 rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
309 info->board_setup_addr);
310 }
311
312 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
313 const struct arm_boot_info *info)
314 {
315 /*
316 * The default smpboot stub halts the secondary CPU with a 'wfi'
317 * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
318 * does not send an IPI to wake it up, so the second CPU fails to boot. So
319 * we need to provide our own smpboot stub that can not use 'wfi', it has
320 * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
321 */
322 uint32_t smpboot[] = {
323 0xe59f2018, /* ldr r2, bootreg_addr */
324 0xe3a00000, /* mov r0, #0 */
325 0xe5820000, /* str r0, [r2] */
326 0xe320f002, /* wfe */
327 0xe5921000, /* ldr r1, [r2] */
328 0xe1110001, /* tst r1, r1 */
329 0x0afffffb, /* beq <wfe> */
330 0xe12fff11, /* bx r1 */
331 NPCM7XX_SMP_BOOTREG_ADDR,
332 };
333 int i;
334
335 for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
336 smpboot[i] = tswap32(smpboot[i]);
337 }
338
339 rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
340 NPCM7XX_SMP_LOADER_START);
341 }
342
343 static struct arm_boot_info npcm7xx_binfo = {
344 .loader_start = NPCM7XX_LOADER_START,
345 .smp_loader_start = NPCM7XX_SMP_LOADER_START,
346 .smp_bootreg_addr = NPCM7XX_SMP_BOOTREG_ADDR,
347 .gic_cpu_if_addr = NPCM7XX_GIC_CPU_IF_ADDR,
348 .write_secondary_boot = npcm7xx_write_secondary_boot,
349 .board_id = -1,
350 .board_setup_addr = NPCM7XX_BOARD_SETUP_ADDR,
351 .write_board_setup = npcm7xx_write_board_setup,
352 };
353
354 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
355 {
356 NPCM7xxClass *sc = NPCM7XX_GET_CLASS(soc);
357
358 npcm7xx_binfo.ram_size = machine->ram_size;
359 npcm7xx_binfo.nb_cpus = sc->num_cpus;
360
361 arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
362 }
363
364 static void npcm7xx_init_fuses(NPCM7xxState *s)
365 {
366 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
367 uint32_t value;
368
369 /*
370 * The initial mask of disabled modules indicates the chip derivative (e.g.
371 * NPCM750 or NPCM730).
372 */
373 value = tswap32(nc->disabled_modules);
374 npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
375 sizeof(value));
376 }
377
378 static void npcm7xx_write_adc_calibration(NPCM7xxState *s)
379 {
380 /* Both ADC and the fuse array must have realized. */
381 QEMU_BUILD_BUG_ON(sizeof(s->adc.calibration_r_values) != 4);
382 npcm7xx_otp_array_write(&s->fuse_array, s->adc.calibration_r_values,
383 NPCM7XX_FUSE_ADC_CALIB, sizeof(s->adc.calibration_r_values));
384 }
385
386 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
387 {
388 return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
389 }
390
391 static void npcm7xx_init(Object *obj)
392 {
393 NPCM7xxState *s = NPCM7XX(obj);
394 int i;
395
396 for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
397 object_initialize_child(obj, "cpu[*]", &s->cpu[i],
398 ARM_CPU_TYPE_NAME("cortex-a9"));
399 }
400
401 object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
402 object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
403 object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
404 "power-on-straps");
405 object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
406 object_initialize_child(obj, "otp1", &s->key_storage,
407 TYPE_NPCM7XX_KEY_STORAGE);
408 object_initialize_child(obj, "otp2", &s->fuse_array,
409 TYPE_NPCM7XX_FUSE_ARRAY);
410 object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
411 object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
412 object_initialize_child(obj, "adc", &s->adc, TYPE_NPCM7XX_ADC);
413
414 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
415 object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
416 }
417
418 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
419 object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
420 }
421
422 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
423 object_initialize_child(obj, "smbus[*]", &s->smbus[i],
424 TYPE_NPCM7XX_SMBUS);
425 }
426
427 object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
428 object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
429
430 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
431 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
432 object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
433 TYPE_NPCM7XX_FIU);
434 }
435
436 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
437 object_initialize_child(obj, "pwm[*]", &s->pwm[i], TYPE_NPCM7XX_PWM);
438 }
439
440 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
441 object_initialize_child(obj, "mft[*]", &s->mft[i], TYPE_NPCM7XX_MFT);
442 }
443
444 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
445 object_initialize_child(obj, "emc[*]", &s->emc[i], TYPE_NPCM7XX_EMC);
446 }
447 }
448
449 static void npcm7xx_realize(DeviceState *dev, Error **errp)
450 {
451 NPCM7xxState *s = NPCM7XX(dev);
452 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
453 int i;
454
455 if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
456 error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
457 " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
458 return;
459 }
460
461 /* CPUs */
462 for (i = 0; i < nc->num_cpus; i++) {
463 object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
464 arm_cpu_mp_affinity(i, NPCM7XX_MAX_NUM_CPUS),
465 &error_abort);
466 object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
467 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
468 object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
469 &error_abort);
470
471 /* Disable security extensions. */
472 object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
473 &error_abort);
474
475 if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
476 return;
477 }
478 }
479
480 /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
481 object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
482 &error_abort);
483 object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
484 &error_abort);
485 sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
486 sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
487
488 for (i = 0; i < nc->num_cpus; i++) {
489 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
490 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
491 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
492 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
493 }
494
495 /* L2 cache controller */
496 sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
497
498 /* System Global Control Registers (GCR). Can fail due to user input. */
499 object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
500 nc->disabled_modules, &error_abort);
501 object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
502 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
503 return;
504 }
505 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
506
507 /* Clock Control Registers (CLK). Cannot fail. */
508 sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
509 sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
510
511 /* OTP key storage and fuse strap array. Cannot fail. */
512 sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
513 sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
514 sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
515 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
516 npcm7xx_init_fuses(s);
517
518 /* Fake Memory Controller (MC). Cannot fail. */
519 sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
520 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
521
522 /* ADC Modules. Cannot fail. */
523 qdev_connect_clock_in(DEVICE(&s->adc), "clock", qdev_get_clock_out(
524 DEVICE(&s->clk), "adc-clock"));
525 sysbus_realize(SYS_BUS_DEVICE(&s->adc), &error_abort);
526 sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, NPCM7XX_ADC_BA);
527 sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
528 npcm7xx_irq(s, NPCM7XX_ADC_IRQ));
529 npcm7xx_write_adc_calibration(s);
530
531 /* Timer Modules (TIM). Cannot fail. */
532 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
533 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
534 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
535 int first_irq;
536 int j;
537
538 /* Connect the timer clock. */
539 qdev_connect_clock_in(DEVICE(&s->tim[i]), "clock", qdev_get_clock_out(
540 DEVICE(&s->clk), "timer-clock"));
541
542 sysbus_realize(sbd, &error_abort);
543 sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
544
545 first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
546 for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
547 qemu_irq irq = npcm7xx_irq(s, first_irq + j);
548 sysbus_connect_irq(sbd, j, irq);
549 }
550
551 /* IRQ for watchdogs */
552 sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
553 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
554 /* GPIO that connects clk module with watchdog */
555 qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
556 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
557 qdev_get_gpio_in_named(DEVICE(&s->clk),
558 NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
559 }
560
561 /* UART0..3 (16550 compatible) */
562 for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
563 serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
564 npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
565 serial_hd(i), DEVICE_LITTLE_ENDIAN);
566 }
567
568 /* Random Number Generator. Cannot fail. */
569 sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
570 sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
571
572 /* GPIO modules. Cannot fail. */
573 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
574 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
575 Object *obj = OBJECT(&s->gpio[i]);
576
577 object_property_set_uint(obj, "reset-pullup",
578 npcm7xx_gpio[i].reset_pu, &error_abort);
579 object_property_set_uint(obj, "reset-pulldown",
580 npcm7xx_gpio[i].reset_pd, &error_abort);
581 object_property_set_uint(obj, "reset-osrc",
582 npcm7xx_gpio[i].reset_osrc, &error_abort);
583 object_property_set_uint(obj, "reset-odsc",
584 npcm7xx_gpio[i].reset_odsc, &error_abort);
585 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
586 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
587 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
588 npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
589 }
590
591 /* SMBus modules. Cannot fail. */
592 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_smbus_addr) != ARRAY_SIZE(s->smbus));
593 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
594 Object *obj = OBJECT(&s->smbus[i]);
595
596 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
597 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_smbus_addr[i]);
598 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
599 npcm7xx_irq(s, NPCM7XX_SMBUS0_IRQ + i));
600 }
601
602 /* USB Host */
603 object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
604 &error_abort);
605 sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
606 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
607 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
608 npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
609
610 object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
611 &error_abort);
612 object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
613 sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
614 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
615 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
616 npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
617
618 /* PWM Modules. Cannot fail. */
619 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pwm_addr) != ARRAY_SIZE(s->pwm));
620 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
621 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pwm[i]);
622
623 qdev_connect_clock_in(DEVICE(&s->pwm[i]), "clock", qdev_get_clock_out(
624 DEVICE(&s->clk), "apb3-clock"));
625 sysbus_realize(sbd, &error_abort);
626 sysbus_mmio_map(sbd, 0, npcm7xx_pwm_addr[i]);
627 sysbus_connect_irq(sbd, i, npcm7xx_irq(s, NPCM7XX_PWM0_IRQ + i));
628 }
629
630 /* MFT Modules. Cannot fail. */
631 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_mft_addr) != ARRAY_SIZE(s->mft));
632 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
633 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->mft[i]);
634
635 qdev_connect_clock_in(DEVICE(&s->mft[i]), "clock-in",
636 qdev_get_clock_out(DEVICE(&s->clk),
637 "apb4-clock"));
638 sysbus_realize(sbd, &error_abort);
639 sysbus_mmio_map(sbd, 0, npcm7xx_mft_addr[i]);
640 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, NPCM7XX_MFT0_IRQ + i));
641 }
642
643 /*
644 * EMC Modules. Cannot fail.
645 * The mapping of the device to its netdev backend works as follows:
646 * emc[i] = nd_table[i]
647 * This works around the inability to specify the netdev property for the
648 * emc device: it's not pluggable and thus the -device option can't be
649 * used.
650 */
651 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_emc_addr) != ARRAY_SIZE(s->emc));
652 QEMU_BUILD_BUG_ON(ARRAY_SIZE(s->emc) != 2);
653 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
654 s->emc[i].emc_num = i;
655 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->emc[i]);
656 if (nd_table[i].used) {
657 qemu_check_nic_model(&nd_table[i], TYPE_NPCM7XX_EMC);
658 qdev_set_nic_properties(DEVICE(sbd), &nd_table[i]);
659 }
660 /*
661 * The device exists regardless of whether it's connected to a QEMU
662 * netdev backend. So always instantiate it even if there is no
663 * backend.
664 */
665 sysbus_realize(sbd, &error_abort);
666 sysbus_mmio_map(sbd, 0, npcm7xx_emc_addr[i]);
667 int tx_irq = i == 0 ? NPCM7XX_EMC1TX_IRQ : NPCM7XX_EMC2TX_IRQ;
668 int rx_irq = i == 0 ? NPCM7XX_EMC1RX_IRQ : NPCM7XX_EMC2RX_IRQ;
669 /*
670 * N.B. The values for the second argument sysbus_connect_irq are
671 * chosen to match the registration order in npcm7xx_emc_realize.
672 */
673 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, tx_irq));
674 sysbus_connect_irq(sbd, 1, npcm7xx_irq(s, rx_irq));
675 }
676
677 /*
678 * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
679 * specified, but this is a programming error.
680 */
681 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
682 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
683 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
684 int j;
685
686 object_property_set_int(OBJECT(sbd), "cs-count",
687 npcm7xx_fiu[i].cs_count, &error_abort);
688 sysbus_realize(sbd, &error_abort);
689
690 sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
691 for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
692 sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
693 }
694 }
695
696 /* RAM2 (SRAM) */
697 memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
698 NPCM7XX_RAM2_SZ, &error_abort);
699 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
700
701 /* RAM3 (SRAM) */
702 memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
703 NPCM7XX_RAM3_SZ, &error_abort);
704 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
705
706 /* Internal ROM */
707 memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
708 &error_abort);
709 memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
710
711 create_unimplemented_device("npcm7xx.shm", 0xc0001000, 4 * KiB);
712 create_unimplemented_device("npcm7xx.vdmx", 0xe0800000, 4 * KiB);
713 create_unimplemented_device("npcm7xx.pcierc", 0xe1000000, 64 * KiB);
714 create_unimplemented_device("npcm7xx.kcs", 0xf0007000, 4 * KiB);
715 create_unimplemented_device("npcm7xx.gfxi", 0xf000e000, 4 * KiB);
716 create_unimplemented_device("npcm7xx.espi", 0xf009f000, 4 * KiB);
717 create_unimplemented_device("npcm7xx.peci", 0xf0100000, 4 * KiB);
718 create_unimplemented_device("npcm7xx.siox[1]", 0xf0101000, 4 * KiB);
719 create_unimplemented_device("npcm7xx.siox[2]", 0xf0102000, 4 * KiB);
720 create_unimplemented_device("npcm7xx.pspi1", 0xf0200000, 4 * KiB);
721 create_unimplemented_device("npcm7xx.pspi2", 0xf0201000, 4 * KiB);
722 create_unimplemented_device("npcm7xx.ahbpci", 0xf0400000, 1 * MiB);
723 create_unimplemented_device("npcm7xx.mcphy", 0xf05f0000, 64 * KiB);
724 create_unimplemented_device("npcm7xx.gmac1", 0xf0802000, 8 * KiB);
725 create_unimplemented_device("npcm7xx.gmac2", 0xf0804000, 8 * KiB);
726 create_unimplemented_device("npcm7xx.vcd", 0xf0810000, 64 * KiB);
727 create_unimplemented_device("npcm7xx.ece", 0xf0820000, 8 * KiB);
728 create_unimplemented_device("npcm7xx.vdma", 0xf0822000, 8 * KiB);
729 create_unimplemented_device("npcm7xx.usbd[0]", 0xf0830000, 4 * KiB);
730 create_unimplemented_device("npcm7xx.usbd[1]", 0xf0831000, 4 * KiB);
731 create_unimplemented_device("npcm7xx.usbd[2]", 0xf0832000, 4 * KiB);
732 create_unimplemented_device("npcm7xx.usbd[3]", 0xf0833000, 4 * KiB);
733 create_unimplemented_device("npcm7xx.usbd[4]", 0xf0834000, 4 * KiB);
734 create_unimplemented_device("npcm7xx.usbd[5]", 0xf0835000, 4 * KiB);
735 create_unimplemented_device("npcm7xx.usbd[6]", 0xf0836000, 4 * KiB);
736 create_unimplemented_device("npcm7xx.usbd[7]", 0xf0837000, 4 * KiB);
737 create_unimplemented_device("npcm7xx.usbd[8]", 0xf0838000, 4 * KiB);
738 create_unimplemented_device("npcm7xx.usbd[9]", 0xf0839000, 4 * KiB);
739 create_unimplemented_device("npcm7xx.sd", 0xf0840000, 8 * KiB);
740 create_unimplemented_device("npcm7xx.mmc", 0xf0842000, 8 * KiB);
741 create_unimplemented_device("npcm7xx.pcimbx", 0xf0848000, 512 * KiB);
742 create_unimplemented_device("npcm7xx.aes", 0xf0858000, 4 * KiB);
743 create_unimplemented_device("npcm7xx.des", 0xf0859000, 4 * KiB);
744 create_unimplemented_device("npcm7xx.sha", 0xf085a000, 4 * KiB);
745 create_unimplemented_device("npcm7xx.secacc", 0xf085b000, 4 * KiB);
746 create_unimplemented_device("npcm7xx.spixcs0", 0xf8000000, 16 * MiB);
747 create_unimplemented_device("npcm7xx.spixcs1", 0xf9000000, 16 * MiB);
748 create_unimplemented_device("npcm7xx.spix", 0xfb001000, 4 * KiB);
749 }
750
751 static Property npcm7xx_properties[] = {
752 DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
753 MemoryRegion *),
754 DEFINE_PROP_END_OF_LIST(),
755 };
756
757 static void npcm7xx_class_init(ObjectClass *oc, void *data)
758 {
759 DeviceClass *dc = DEVICE_CLASS(oc);
760
761 dc->realize = npcm7xx_realize;
762 dc->user_creatable = false;
763 device_class_set_props(dc, npcm7xx_properties);
764 }
765
766 static void npcm730_class_init(ObjectClass *oc, void *data)
767 {
768 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
769
770 /* NPCM730 is optimized for data center use, so no graphics, etc. */
771 nc->disabled_modules = 0x00300395;
772 nc->num_cpus = 2;
773 }
774
775 static void npcm750_class_init(ObjectClass *oc, void *data)
776 {
777 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
778
779 /* NPCM750 has 2 cores and a full set of peripherals */
780 nc->disabled_modules = 0x00000000;
781 nc->num_cpus = 2;
782 }
783
784 static const TypeInfo npcm7xx_soc_types[] = {
785 {
786 .name = TYPE_NPCM7XX,
787 .parent = TYPE_DEVICE,
788 .instance_size = sizeof(NPCM7xxState),
789 .instance_init = npcm7xx_init,
790 .class_size = sizeof(NPCM7xxClass),
791 .class_init = npcm7xx_class_init,
792 .abstract = true,
793 }, {
794 .name = TYPE_NPCM730,
795 .parent = TYPE_NPCM7XX,
796 .class_init = npcm730_class_init,
797 }, {
798 .name = TYPE_NPCM750,
799 .parent = TYPE_NPCM7XX,
800 .class_init = npcm750_class_init,
801 },
802 };
803
804 DEFINE_TYPES(npcm7xx_soc_types);
AR7 emulation for QEMU