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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 "hw/arm/boot.h"
20 #include "hw/arm/npcm7xx.h"
21 #include "hw/char/serial-mm.h"
22 #include "hw/core/loader.h"
23 #include "hw/misc/unimp.h"
24 #include "hw/core/qdev-clock.h"
25 #include "hw/core/qdev-properties.h"
26 #include "qapi/error.h"
27 #include "exec/tswap.h"
28 #include "qemu/units.h"
29 #include "system/system.h"
30 #include "target/arm/cpu-qom.h"
31
32 /*
33 * This covers the whole MMIO space. We'll use this to catch any MMIO accesses
34 * that aren't handled by any device.
35 */
36 #define NPCM7XX_MMIO_BA (0x80000000)
37 #define NPCM7XX_MMIO_SZ (0x7ffd0000)
38
39 /* OTP key storage and fuse strap array */
40 #define NPCM7XX_OTP1_BA (0xf0189000)
41 #define NPCM7XX_OTP2_BA (0xf018a000)
42
43 /* Core system modules. */
44 #define NPCM7XX_L2C_BA (0xf03fc000)
45 #define NPCM7XX_CPUP_BA (0xf03fe000)
46 #define NPCM7XX_GCR_BA (0xf0800000)
47 #define NPCM7XX_CLK_BA (0xf0801000)
48 #define NPCM7XX_MC_BA (0xf0824000)
49 #define NPCM7XX_RNG_BA (0xf000b000)
50
51 /* USB Host modules */
52 #define NPCM7XX_EHCI_BA (0xf0806000)
53 #define NPCM7XX_OHCI_BA (0xf0807000)
54
55 /* ADC Module */
56 #define NPCM7XX_ADC_BA (0xf000c000)
57
58 /* Internal AHB SRAM */
59 #define NPCM7XX_RAM3_BA (0xc0008000)
60 #define NPCM7XX_RAM3_SZ (4 * KiB)
61
62 /* Memory blocks at the end of the address space */
63 #define NPCM7XX_RAM2_BA (0xfffd0000)
64 #define NPCM7XX_RAM2_SZ (128 * KiB)
65 #define NPCM7XX_ROM_BA (0xffff0000)
66 #define NPCM7XX_ROM_SZ (64 * KiB)
67
68 /* SDHCI Modules */
69 #define NPCM7XX_MMC_BA (0xf0842000)
70
71 /* Clock configuration values to be fixed up when bypassing bootloader */
72
73 /* Run PLL1 at 1600 MHz */
74 #define NPCM7XX_PLLCON1_FIXUP_VAL (0x00402101)
75 /* Run the CPU from PLL1 and UART from PLL2 */
76 #define NPCM7XX_CLKSEL_FIXUP_VAL (0x004aaba9)
77
78 /*
79 * Interrupt lines going into the GIC. This does not include internal Cortex-A9
80 * interrupts.
81 */
82 enum NPCM7xxInterrupt {
83 NPCM7XX_ADC_IRQ = 0,
84 NPCM7XX_UART0_IRQ = 2,
85 NPCM7XX_UART1_IRQ,
86 NPCM7XX_UART2_IRQ,
87 NPCM7XX_UART3_IRQ,
88 NPCM7XX_GMAC1_IRQ = 14,
89 NPCM7XX_EMC1RX_IRQ = 15,
90 NPCM7XX_EMC1TX_IRQ,
91 NPCM7XX_GMAC2_IRQ,
92 NPCM7XX_MMC_IRQ = 26,
93 NPCM7XX_PSPI2_IRQ = 28,
94 NPCM7XX_PSPI1_IRQ = 31,
95 NPCM7XX_TIMER0_IRQ = 32, /* Timer Module 0 */
96 NPCM7XX_TIMER1_IRQ,
97 NPCM7XX_TIMER2_IRQ,
98 NPCM7XX_TIMER3_IRQ,
99 NPCM7XX_TIMER4_IRQ,
100 NPCM7XX_TIMER5_IRQ, /* Timer Module 1 */
101 NPCM7XX_TIMER6_IRQ,
102 NPCM7XX_TIMER7_IRQ,
103 NPCM7XX_TIMER8_IRQ,
104 NPCM7XX_TIMER9_IRQ,
105 NPCM7XX_TIMER10_IRQ, /* Timer Module 2 */
106 NPCM7XX_TIMER11_IRQ,
107 NPCM7XX_TIMER12_IRQ,
108 NPCM7XX_TIMER13_IRQ,
109 NPCM7XX_TIMER14_IRQ,
110 NPCM7XX_WDG0_IRQ = 47, /* Timer Module 0 Watchdog */
111 NPCM7XX_WDG1_IRQ, /* Timer Module 1 Watchdog */
112 NPCM7XX_WDG2_IRQ, /* Timer Module 2 Watchdog */
113 NPCM7XX_EHCI_IRQ = 61,
114 NPCM7XX_OHCI_IRQ = 62,
115 NPCM7XX_SMBUS0_IRQ = 64,
116 NPCM7XX_SMBUS1_IRQ,
117 NPCM7XX_SMBUS2_IRQ,
118 NPCM7XX_SMBUS3_IRQ,
119 NPCM7XX_SMBUS4_IRQ,
120 NPCM7XX_SMBUS5_IRQ,
121 NPCM7XX_SMBUS6_IRQ,
122 NPCM7XX_SMBUS7_IRQ,
123 NPCM7XX_SMBUS8_IRQ,
124 NPCM7XX_SMBUS9_IRQ,
125 NPCM7XX_SMBUS10_IRQ,
126 NPCM7XX_SMBUS11_IRQ,
127 NPCM7XX_SMBUS12_IRQ,
128 NPCM7XX_SMBUS13_IRQ,
129 NPCM7XX_SMBUS14_IRQ,
130 NPCM7XX_SMBUS15_IRQ,
131 NPCM7XX_PWM0_IRQ = 93, /* PWM module 0 */
132 NPCM7XX_PWM1_IRQ, /* PWM module 1 */
133 NPCM7XX_MFT0_IRQ = 96, /* MFT module 0 */
134 NPCM7XX_MFT1_IRQ, /* MFT module 1 */
135 NPCM7XX_MFT2_IRQ, /* MFT module 2 */
136 NPCM7XX_MFT3_IRQ, /* MFT module 3 */
137 NPCM7XX_MFT4_IRQ, /* MFT module 4 */
138 NPCM7XX_MFT5_IRQ, /* MFT module 5 */
139 NPCM7XX_MFT6_IRQ, /* MFT module 6 */
140 NPCM7XX_MFT7_IRQ, /* MFT module 7 */
141 NPCM7XX_EMC2RX_IRQ = 114,
142 NPCM7XX_EMC2TX_IRQ,
143 NPCM7XX_GPIO0_IRQ = 116,
144 NPCM7XX_GPIO1_IRQ,
145 NPCM7XX_GPIO2_IRQ,
146 NPCM7XX_GPIO3_IRQ,
147 NPCM7XX_GPIO4_IRQ,
148 NPCM7XX_GPIO5_IRQ,
149 NPCM7XX_GPIO6_IRQ,
150 NPCM7XX_GPIO7_IRQ,
151 };
152
153 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
154 #define NPCM7XX_NUM_IRQ (160)
155
156 /* Register base address for each Timer Module */
157 static const hwaddr npcm7xx_tim_addr[] = {
158 0xf0008000,
159 0xf0009000,
160 0xf000a000,
161 };
162
163 /* Register base address for each 16550 UART */
164 static const hwaddr npcm7xx_uart_addr[] = {
165 0xf0001000,
166 0xf0002000,
167 0xf0003000,
168 0xf0004000,
169 };
170
171 /* Direct memory-mapped access to SPI0 CS0-1. */
172 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
173 0x80000000, /* CS0 */
174 0x88000000, /* CS1 */
175 };
176
177 /* Direct memory-mapped access to SPI3 CS0-3. */
178 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
179 0xa0000000, /* CS0 */
180 0xa8000000, /* CS1 */
181 0xb0000000, /* CS2 */
182 0xb8000000, /* CS3 */
183 };
184
185 /* Register base address for each PWM Module */
186 static const hwaddr npcm7xx_pwm_addr[] = {
187 0xf0103000,
188 0xf0104000,
189 };
190
191 /* Register base address for each MFT Module */
192 static const hwaddr npcm7xx_mft_addr[] = {
193 0xf0180000,
194 0xf0181000,
195 0xf0182000,
196 0xf0183000,
197 0xf0184000,
198 0xf0185000,
199 0xf0186000,
200 0xf0187000,
201 };
202
203 /* Direct memory-mapped access to each SMBus Module. */
204 static const hwaddr npcm7xx_smbus_addr[] = {
205 0xf0080000,
206 0xf0081000,
207 0xf0082000,
208 0xf0083000,
209 0xf0084000,
210 0xf0085000,
211 0xf0086000,
212 0xf0087000,
213 0xf0088000,
214 0xf0089000,
215 0xf008a000,
216 0xf008b000,
217 0xf008c000,
218 0xf008d000,
219 0xf008e000,
220 0xf008f000,
221 };
222
223 /* Register base address for each EMC Module */
224 static const hwaddr npcm7xx_emc_addr[] = {
225 0xf0825000,
226 0xf0826000,
227 };
228
229 /* Register base address for each PSPI Module */
230 static const hwaddr npcm7xx_pspi_addr[] = {
231 0xf0200000,
232 0xf0201000,
233 };
234
235 /* Register base address for each GMAC Module */
236 static const hwaddr npcm7xx_gmac_addr[] = {
237 0xf0802000,
238 0xf0804000,
239 };
240
241 static const struct {
242 hwaddr regs_addr;
243 uint32_t unconnected_pins;
244 uint32_t reset_pu;
245 uint32_t reset_pd;
246 uint32_t reset_osrc;
247 uint32_t reset_odsc;
248 } npcm7xx_gpio[] = {
249 {
250 .regs_addr = 0xf0010000,
251 .reset_pu = 0xff03ffff,
252 .reset_pd = 0x00fc0000,
253 }, {
254 .regs_addr = 0xf0011000,
255 .unconnected_pins = 0x0000001e,
256 .reset_pu = 0xfefffe07,
257 .reset_pd = 0x010001e0,
258 }, {
259 .regs_addr = 0xf0012000,
260 .reset_pu = 0x780fffff,
261 .reset_pd = 0x07f00000,
262 .reset_odsc = 0x00700000,
263 }, {
264 .regs_addr = 0xf0013000,
265 .reset_pu = 0x00fc0000,
266 .reset_pd = 0xff000000,
267 }, {
268 .regs_addr = 0xf0014000,
269 .reset_pu = 0xffffffff,
270 }, {
271 .regs_addr = 0xf0015000,
272 .reset_pu = 0xbf83f801,
273 .reset_pd = 0x007c0000,
274 .reset_osrc = 0x000000f1,
275 .reset_odsc = 0x3f9f80f1,
276 }, {
277 .regs_addr = 0xf0016000,
278 .reset_pu = 0xfc00f801,
279 .reset_pd = 0x000007fe,
280 .reset_odsc = 0x00000800,
281 }, {
282 .regs_addr = 0xf0017000,
283 .unconnected_pins = 0xffffff00,
284 .reset_pu = 0x0000007f,
285 .reset_osrc = 0x0000007f,
286 .reset_odsc = 0x0000007f,
287 },
288 };
289
290 static const struct {
291 const char *name;
292 hwaddr regs_addr;
293 int cs_count;
294 const hwaddr *flash_addr;
295 size_t flash_size;
296 } npcm7xx_fiu[] = {
297 {
298 .name = "fiu0",
299 .regs_addr = 0xfb000000,
300 .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
301 .flash_addr = npcm7xx_fiu0_flash_addr,
302 .flash_size = 128 * MiB,
303
304 }, {
305 .name = "fiu3",
306 .regs_addr = 0xc0000000,
307 .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
308 .flash_addr = npcm7xx_fiu3_flash_addr,
309 .flash_size = 128 * MiB,
310 },
311 };
312
313 static void npcm7xx_write_board_setup(ARMCPU *cpu,
314 const struct arm_boot_info *info)
315 {
316 uint32_t board_setup[] = {
317 0xe59f0010, /* ldr r0, clk_base_addr */
318 0xe59f1010, /* ldr r1, pllcon1_value */
319 0xe5801010, /* str r1, [r0, #16] */
320 0xe59f100c, /* ldr r1, clksel_value */
321 0xe5801004, /* str r1, [r0, #4] */
322 0xe12fff1e, /* bx lr */
323 NPCM7XX_CLK_BA,
324 NPCM7XX_PLLCON1_FIXUP_VAL,
325 NPCM7XX_CLKSEL_FIXUP_VAL,
326 };
327 int i;
328
329 for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
330 board_setup[i] = tswap32(board_setup[i]);
331 }
332 rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
333 info->board_setup_addr);
334 }
335
336 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
337 const struct arm_boot_info *info)
338 {
339 /*
340 * The default smpboot stub halts the secondary CPU with a 'wfi'
341 * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
342 * does not send an IPI to wake it up, so the second CPU fails to boot. So
343 * we need to provide our own smpboot stub that can not use 'wfi', it has
344 * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
345 */
346 uint32_t smpboot[] = {
347 0xe59f2018, /* ldr r2, bootreg_addr */
348 0xe3a00000, /* mov r0, #0 */
349 0xe5820000, /* str r0, [r2] */
350 0xe320f002, /* wfe */
351 0xe5921000, /* ldr r1, [r2] */
352 0xe1110001, /* tst r1, r1 */
353 0x0afffffb, /* beq <wfe> */
354 0xe12fff11, /* bx r1 */
355 NPCM7XX_SMP_BOOTREG_ADDR,
356 };
357 int i;
358
359 for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
360 smpboot[i] = tswap32(smpboot[i]);
361 }
362
363 rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
364 NPCM7XX_SMP_LOADER_START);
365 }
366
367 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc,
368 struct arm_boot_info *binfo)
369 {
370 binfo->loader_start = NPCM7XX_LOADER_START;
371 binfo->smp_loader_start = NPCM7XX_SMP_LOADER_START;
372 binfo->smp_bootreg_addr = NPCM7XX_SMP_BOOTREG_ADDR;
373 binfo->gic_cpu_if_addr = NPCM7XX_GIC_CPU_IF_ADDR;
374 binfo->write_secondary_boot = npcm7xx_write_secondary_boot;
375 binfo->board_id = -1;
376 binfo->board_setup_addr = NPCM7XX_BOARD_SETUP_ADDR;
377 binfo->write_board_setup = npcm7xx_write_board_setup;
378 binfo->ram_size = machine->ram_size;
379
380 arm_load_kernel(&soc->cpu[0], machine, binfo);
381 }
382
383 static void npcm7xx_init_fuses(NPCM7xxState *s)
384 {
385 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
386 uint32_t value;
387
388 /*
389 * The initial mask of disabled modules indicates the chip derivative (e.g.
390 * NPCM750 or NPCM730).
391 */
392 value = cpu_to_le32(nc->disabled_modules);
393 npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
394 sizeof(value));
395 }
396
397 static void npcm7xx_write_adc_calibration(NPCM7xxState *s)
398 {
399 /* Both ADC and the fuse array must have realized. */
400 QEMU_BUILD_BUG_ON(sizeof(s->adc.calibration_r_values) != 4);
401 npcm7xx_otp_array_write(&s->fuse_array, s->adc.calibration_r_values,
402 NPCM7XX_FUSE_ADC_CALIB, sizeof(s->adc.calibration_r_values));
403 }
404
405 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
406 {
407 return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
408 }
409
410 static void npcm7xx_init(Object *obj)
411 {
412 NPCM7xxState *s = NPCM7XX(obj);
413 int i;
414
415 for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
416 object_initialize_child(obj, "cpu[*]", &s->cpu[i],
417 ARM_CPU_TYPE_NAME("cortex-a9"));
418 }
419
420 object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
421 object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
422 object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
423 "power-on-straps");
424 object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
425 object_initialize_child(obj, "otp1", &s->key_storage,
426 TYPE_NPCM7XX_KEY_STORAGE);
427 object_initialize_child(obj, "otp2", &s->fuse_array,
428 TYPE_NPCM7XX_FUSE_ARRAY);
429 object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
430 object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
431 object_initialize_child(obj, "adc", &s->adc, TYPE_NPCM7XX_ADC);
432
433 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
434 object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
435 }
436
437 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
438 object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
439 }
440
441 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
442 object_initialize_child(obj, "smbus[*]", &s->smbus[i],
443 TYPE_NPCM7XX_SMBUS);
444 }
445
446 object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
447 object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
448
449 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
450 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
451 object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
452 TYPE_NPCM7XX_FIU);
453 }
454
455 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
456 object_initialize_child(obj, "pwm[*]", &s->pwm[i], TYPE_NPCM7XX_PWM);
457 }
458
459 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
460 object_initialize_child(obj, "mft[*]", &s->mft[i], TYPE_NPCM7XX_MFT);
461 }
462
463 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
464 object_initialize_child(obj, "emc[*]", &s->emc[i], TYPE_NPCM7XX_EMC);
465 }
466
467 for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
468 object_initialize_child(obj, "pspi[*]", &s->pspi[i], TYPE_NPCM_PSPI);
469 }
470
471 for (i = 0; i < ARRAY_SIZE(s->gmac); i++) {
472 object_initialize_child(obj, "gmac[*]", &s->gmac[i], TYPE_NPCM_GMAC);
473 }
474
475 object_initialize_child(obj, "mmc", &s->mmc, TYPE_NPCM7XX_SDHCI);
476 }
477
478 static void npcm7xx_realize(DeviceState *dev, Error **errp)
479 {
480 NPCM7xxState *s = NPCM7XX(dev);
481 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
482 int i;
483
484 if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
485 error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
486 " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
487 return;
488 }
489
490 /* CPUs */
491 for (i = 0; i < nc->num_cpus; i++) {
492 object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
493 NPCM7XX_CPUP_BA, &error_abort);
494 object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
495 &error_abort);
496
497 /* Disable security extensions. */
498 object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
499 &error_abort);
500
501 if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
502 return;
503 }
504 }
505
506 /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
507 object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
508 &error_abort);
509 object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
510 &error_abort);
511 sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
512 sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
513
514 for (i = 0; i < nc->num_cpus; i++) {
515 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
516 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
517 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
518 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
519 }
520
521 /* L2 cache controller */
522 sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
523
524 /* System Global Control Registers (GCR). Can fail due to user input. */
525 object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
526 nc->disabled_modules, &error_abort);
527 object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
528 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
529 return;
530 }
531 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
532
533 /* Clock Control Registers (CLK). Cannot fail. */
534 sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
535 sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
536
537 /* OTP key storage and fuse strap array. Cannot fail. */
538 sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
539 sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
540 sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
541 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
542 npcm7xx_init_fuses(s);
543
544 /* Fake Memory Controller (MC). Cannot fail. */
545 sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
546 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
547
548 /* ADC Modules. Cannot fail. */
549 qdev_connect_clock_in(DEVICE(&s->adc), "clock", qdev_get_clock_out(
550 DEVICE(&s->clk), "adc-clock"));
551 sysbus_realize(SYS_BUS_DEVICE(&s->adc), &error_abort);
552 sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, NPCM7XX_ADC_BA);
553 sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
554 npcm7xx_irq(s, NPCM7XX_ADC_IRQ));
555 npcm7xx_write_adc_calibration(s);
556
557 /* Timer Modules (TIM). Cannot fail. */
558 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
559 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
560 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
561 int first_irq;
562 int j;
563
564 /* Connect the timer clock. */
565 qdev_connect_clock_in(DEVICE(&s->tim[i]), "clock", qdev_get_clock_out(
566 DEVICE(&s->clk), "timer-clock"));
567
568 sysbus_realize(sbd, &error_abort);
569 sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
570
571 first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
572 for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
573 qemu_irq irq = npcm7xx_irq(s, first_irq + j);
574 sysbus_connect_irq(sbd, j, irq);
575 }
576
577 /* IRQ for watchdogs */
578 sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
579 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
580 /* GPIO that connects clk module with watchdog */
581 qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
582 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
583 qdev_get_gpio_in_named(DEVICE(&s->clk),
584 NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
585 }
586
587 /* UART0..3 (16550 compatible) */
588 for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
589 serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
590 npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
591 serial_hd(i), DEVICE_LITTLE_ENDIAN);
592 }
593
594 /* Random Number Generator. Cannot fail. */
595 sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
596 sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
597
598 /* GPIO modules. Cannot fail. */
599 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
600 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
601 Object *obj = OBJECT(&s->gpio[i]);
602
603 object_property_set_uint(obj, "reset-pullup",
604 npcm7xx_gpio[i].reset_pu, &error_abort);
605 object_property_set_uint(obj, "reset-pulldown",
606 npcm7xx_gpio[i].reset_pd, &error_abort);
607 object_property_set_uint(obj, "reset-osrc",
608 npcm7xx_gpio[i].reset_osrc, &error_abort);
609 object_property_set_uint(obj, "reset-odsc",
610 npcm7xx_gpio[i].reset_odsc, &error_abort);
611 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
612 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
613 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
614 npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
615 }
616
617 /* SMBus modules. Cannot fail. */
618 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_smbus_addr) != ARRAY_SIZE(s->smbus));
619 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
620 Object *obj = OBJECT(&s->smbus[i]);
621
622 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
623 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_smbus_addr[i]);
624 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
625 npcm7xx_irq(s, NPCM7XX_SMBUS0_IRQ + i));
626 }
627
628 /* USB Host */
629 object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
630 &error_abort);
631 sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
632 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
633 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
634 npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
635
636 object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
637 &error_abort);
638 object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
639 sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
640 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
641 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
642 npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
643
644 /* PWM Modules. Cannot fail. */
645 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pwm_addr) != ARRAY_SIZE(s->pwm));
646 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
647 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pwm[i]);
648
649 qdev_connect_clock_in(DEVICE(&s->pwm[i]), "clock", qdev_get_clock_out(
650 DEVICE(&s->clk), "apb3-clock"));
651 sysbus_realize(sbd, &error_abort);
652 sysbus_mmio_map(sbd, 0, npcm7xx_pwm_addr[i]);
653 sysbus_connect_irq(sbd, i, npcm7xx_irq(s, NPCM7XX_PWM0_IRQ + i));
654 }
655
656 /* MFT Modules. Cannot fail. */
657 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_mft_addr) != ARRAY_SIZE(s->mft));
658 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
659 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->mft[i]);
660
661 qdev_connect_clock_in(DEVICE(&s->mft[i]), "clock-in",
662 qdev_get_clock_out(DEVICE(&s->clk),
663 "apb4-clock"));
664 sysbus_realize(sbd, &error_abort);
665 sysbus_mmio_map(sbd, 0, npcm7xx_mft_addr[i]);
666 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, NPCM7XX_MFT0_IRQ + i));
667 }
668
669 /*
670 * EMC Modules. Cannot fail.
671 * Use the available NIC configurations in order, allowing 'emc0' and
672 * 'emc1' to by used as aliases for the model= parameter to override.
673 *
674 * This works around the inability to specify the netdev property for the
675 * emc device: it's not pluggable and thus the -device option can't be
676 * used.
677 */
678 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_emc_addr) != ARRAY_SIZE(s->emc));
679 QEMU_BUILD_BUG_ON(ARRAY_SIZE(s->emc) != 2);
680 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
681 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->emc[i]);
682 char alias[6];
683
684 s->emc[i].emc_num = i;
685 snprintf(alias, sizeof(alias), "emc%u", i);
686 qemu_configure_nic_device(DEVICE(sbd), true, alias);
687
688 /*
689 * The device exists regardless of whether it's connected to a QEMU
690 * netdev backend. So always instantiate it even if there is no
691 * backend.
692 */
693 sysbus_realize(sbd, &error_abort);
694 sysbus_mmio_map(sbd, 0, npcm7xx_emc_addr[i]);
695 int tx_irq = i == 0 ? NPCM7XX_EMC1TX_IRQ : NPCM7XX_EMC2TX_IRQ;
696 int rx_irq = i == 0 ? NPCM7XX_EMC1RX_IRQ : NPCM7XX_EMC2RX_IRQ;
697 /*
698 * N.B. The values for the second argument sysbus_connect_irq are
699 * chosen to match the registration order in npcm7xx_emc_realize.
700 */
701 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, tx_irq));
702 sysbus_connect_irq(sbd, 1, npcm7xx_irq(s, rx_irq));
703 }
704
705 /*
706 * GMAC Modules. Cannot fail.
707 */
708 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gmac_addr) != ARRAY_SIZE(s->gmac));
709 QEMU_BUILD_BUG_ON(ARRAY_SIZE(s->gmac) != 2);
710 for (i = 0; i < ARRAY_SIZE(s->gmac); i++) {
711 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->gmac[i]);
712
713 qemu_configure_nic_device(DEVICE(sbd), false, NULL);
714 /*
715 * The device exists regardless of whether it's connected to a QEMU
716 * netdev backend. So always instantiate it even if there is no
717 * backend.
718 */
719 sysbus_realize(sbd, &error_abort);
720 sysbus_mmio_map(sbd, 0, npcm7xx_gmac_addr[i]);
721 int irq = i == 0 ? NPCM7XX_GMAC1_IRQ : NPCM7XX_GMAC2_IRQ;
722 /*
723 * N.B. The values for the second argument sysbus_connect_irq are
724 * chosen to match the registration order in npcm7xx_emc_realize.
725 */
726 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
727 }
728
729 /*
730 * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
731 * specified, but this is a programming error.
732 */
733 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
734 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
735 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
736 int j;
737
738 object_property_set_int(OBJECT(sbd), "cs-count",
739 npcm7xx_fiu[i].cs_count, &error_abort);
740 object_property_set_int(OBJECT(sbd), "flash-size",
741 npcm7xx_fiu[i].flash_size, &error_abort);
742 sysbus_realize(sbd, &error_abort);
743
744 sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
745 for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
746 sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
747 }
748 }
749
750 /* RAM2 (SRAM) */
751 memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
752 NPCM7XX_RAM2_SZ, &error_abort);
753 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
754
755 /* RAM3 (SRAM) */
756 memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
757 NPCM7XX_RAM3_SZ, &error_abort);
758 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
759
760 /* Internal ROM */
761 memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
762 &error_abort);
763 memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
764
765 /* SDHCI */
766 sysbus_realize(SYS_BUS_DEVICE(&s->mmc), &error_abort);
767 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc), 0, NPCM7XX_MMC_BA);
768 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc), 0,
769 npcm7xx_irq(s, NPCM7XX_MMC_IRQ));
770
771 /* PSPI */
772 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pspi_addr) != ARRAY_SIZE(s->pspi));
773 for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
774 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pspi[i]);
775 int irq = (i == 0) ? NPCM7XX_PSPI1_IRQ : NPCM7XX_PSPI2_IRQ;
776
777 sysbus_realize(sbd, &error_abort);
778 sysbus_mmio_map(sbd, 0, npcm7xx_pspi_addr[i]);
779 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
780 }
781
782 create_unimplemented_device("npcm7xx.shm", 0xc0001000, 4 * KiB);
783 create_unimplemented_device("npcm7xx.vdmx", 0xe0800000, 4 * KiB);
784 create_unimplemented_device("npcm7xx.pcierc", 0xe1000000, 64 * KiB);
785 create_unimplemented_device("npcm7xx.kcs", 0xf0007000, 4 * KiB);
786 create_unimplemented_device("npcm7xx.gfxi", 0xf000e000, 4 * KiB);
787 create_unimplemented_device("npcm7xx.espi", 0xf009f000, 4 * KiB);
788 create_unimplemented_device("npcm7xx.peci", 0xf0100000, 4 * KiB);
789 create_unimplemented_device("npcm7xx.siox[1]", 0xf0101000, 4 * KiB);
790 create_unimplemented_device("npcm7xx.siox[2]", 0xf0102000, 4 * KiB);
791 create_unimplemented_device("npcm7xx.ahbpci", 0xf0400000, 1 * MiB);
792 create_unimplemented_device("npcm7xx.mcphy", 0xf05f0000, 64 * KiB);
793 create_unimplemented_device("npcm7xx.vcd", 0xf0810000, 64 * KiB);
794 create_unimplemented_device("npcm7xx.ece", 0xf0820000, 8 * KiB);
795 create_unimplemented_device("npcm7xx.vdma", 0xf0822000, 8 * KiB);
796 create_unimplemented_device("npcm7xx.usbd[0]", 0xf0830000, 4 * KiB);
797 create_unimplemented_device("npcm7xx.usbd[1]", 0xf0831000, 4 * KiB);
798 create_unimplemented_device("npcm7xx.usbd[2]", 0xf0832000, 4 * KiB);
799 create_unimplemented_device("npcm7xx.usbd[3]", 0xf0833000, 4 * KiB);
800 create_unimplemented_device("npcm7xx.usbd[4]", 0xf0834000, 4 * KiB);
801 create_unimplemented_device("npcm7xx.usbd[5]", 0xf0835000, 4 * KiB);
802 create_unimplemented_device("npcm7xx.usbd[6]", 0xf0836000, 4 * KiB);
803 create_unimplemented_device("npcm7xx.usbd[7]", 0xf0837000, 4 * KiB);
804 create_unimplemented_device("npcm7xx.usbd[8]", 0xf0838000, 4 * KiB);
805 create_unimplemented_device("npcm7xx.usbd[9]", 0xf0839000, 4 * KiB);
806 create_unimplemented_device("npcm7xx.sd", 0xf0840000, 8 * KiB);
807 create_unimplemented_device("npcm7xx.pcimbx", 0xf0848000, 512 * KiB);
808 create_unimplemented_device("npcm7xx.aes", 0xf0858000, 4 * KiB);
809 create_unimplemented_device("npcm7xx.des", 0xf0859000, 4 * KiB);
810 create_unimplemented_device("npcm7xx.sha", 0xf085a000, 4 * KiB);
811 create_unimplemented_device("npcm7xx.secacc", 0xf085b000, 4 * KiB);
812 create_unimplemented_device("npcm7xx.spixcs0", 0xf8000000, 16 * MiB);
813 create_unimplemented_device("npcm7xx.spixcs1", 0xf9000000, 16 * MiB);
814 create_unimplemented_device("npcm7xx.spix", 0xfb001000, 4 * KiB);
815 }
816
817 static const Property npcm7xx_properties[] = {
818 DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
819 MemoryRegion *),
820 };
821
822 static void npcm7xx_class_init(ObjectClass *oc, const void *data)
823 {
824 DeviceClass *dc = DEVICE_CLASS(oc);
825
826 dc->realize = npcm7xx_realize;
827 dc->user_creatable = false;
828 device_class_set_props(dc, npcm7xx_properties);
829 }
830
831 static void npcm730_class_init(ObjectClass *oc, const void *data)
832 {
833 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
834
835 /* NPCM730 is optimized for data center use, so no graphics, etc. */
836 nc->disabled_modules = 0x00300395;
837 nc->num_cpus = 2;
838 }
839
840 static void npcm750_class_init(ObjectClass *oc, const void *data)
841 {
842 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
843
844 /* NPCM750 has 2 cores and a full set of peripherals */
845 nc->disabled_modules = 0x00000000;
846 nc->num_cpus = 2;
847 }
848
849 static const TypeInfo npcm7xx_soc_types[] = {
850 {
851 .name = TYPE_NPCM7XX,
852 .parent = TYPE_DEVICE,
853 .instance_size = sizeof(NPCM7xxState),
854 .instance_init = npcm7xx_init,
855 .class_size = sizeof(NPCM7xxClass),
856 .class_init = npcm7xx_class_init,
857 .abstract = true,
858 }, {
859 .name = TYPE_NPCM730,
860 .parent = TYPE_NPCM7XX,
861 .class_init = npcm730_class_init,
862 }, {
863 .name = TYPE_NPCM750,
864 .parent = TYPE_NPCM7XX,
865 .class_init = npcm750_class_init,
866 },
867 };
868
869 DEFINE_TYPES(npcm7xx_soc_types);