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.h"
22 #include "hw/loader.h"
23 #include "hw/misc/unimp.h"
24 #include "hw/qdev-clock.h"
25 #include "hw/qdev-properties.h"
26 #include "qapi/error.h"
27 #include "qemu/bswap.h"
28 #include "qemu/units.h"
29 #include "sysemu/sysemu.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 } npcm7xx_fiu[] = {
296 {
297 .name = "fiu0",
298 .regs_addr = 0xfb000000,
299 .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
300 .flash_addr = npcm7xx_fiu0_flash_addr,
301 }, {
302 .name = "fiu3",
303 .regs_addr = 0xc0000000,
304 .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
305 .flash_addr = npcm7xx_fiu3_flash_addr,
306 },
307 };
308
npcm7xx_write_board_setup(ARMCPU * cpu,const struct arm_boot_info * info)309 static void npcm7xx_write_board_setup(ARMCPU *cpu,
310 const struct arm_boot_info *info)
311 {
312 uint32_t board_setup[] = {
313 0xe59f0010, /* ldr r0, clk_base_addr */
314 0xe59f1010, /* ldr r1, pllcon1_value */
315 0xe5801010, /* str r1, [r0, #16] */
316 0xe59f100c, /* ldr r1, clksel_value */
317 0xe5801004, /* str r1, [r0, #4] */
318 0xe12fff1e, /* bx lr */
319 NPCM7XX_CLK_BA,
320 NPCM7XX_PLLCON1_FIXUP_VAL,
321 NPCM7XX_CLKSEL_FIXUP_VAL,
322 };
323 int i;
324
325 for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
326 board_setup[i] = tswap32(board_setup[i]);
327 }
328 rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
329 info->board_setup_addr);
330 }
331
npcm7xx_write_secondary_boot(ARMCPU * cpu,const struct arm_boot_info * info)332 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
333 const struct arm_boot_info *info)
334 {
335 /*
336 * The default smpboot stub halts the secondary CPU with a 'wfi'
337 * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
338 * does not send an IPI to wake it up, so the second CPU fails to boot. So
339 * we need to provide our own smpboot stub that can not use 'wfi', it has
340 * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
341 */
342 uint32_t smpboot[] = {
343 0xe59f2018, /* ldr r2, bootreg_addr */
344 0xe3a00000, /* mov r0, #0 */
345 0xe5820000, /* str r0, [r2] */
346 0xe320f002, /* wfe */
347 0xe5921000, /* ldr r1, [r2] */
348 0xe1110001, /* tst r1, r1 */
349 0x0afffffb, /* beq <wfe> */
350 0xe12fff11, /* bx r1 */
351 NPCM7XX_SMP_BOOTREG_ADDR,
352 };
353 int i;
354
355 for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
356 smpboot[i] = tswap32(smpboot[i]);
357 }
358
359 rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
360 NPCM7XX_SMP_LOADER_START);
361 }
362
363 static struct arm_boot_info npcm7xx_binfo = {
364 .loader_start = NPCM7XX_LOADER_START,
365 .smp_loader_start = NPCM7XX_SMP_LOADER_START,
366 .smp_bootreg_addr = NPCM7XX_SMP_BOOTREG_ADDR,
367 .gic_cpu_if_addr = NPCM7XX_GIC_CPU_IF_ADDR,
368 .write_secondary_boot = npcm7xx_write_secondary_boot,
369 .board_id = -1,
370 .board_setup_addr = NPCM7XX_BOARD_SETUP_ADDR,
371 .write_board_setup = npcm7xx_write_board_setup,
372 };
373
npcm7xx_load_kernel(MachineState * machine,NPCM7xxState * soc)374 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
375 {
376 npcm7xx_binfo.ram_size = machine->ram_size;
377
378 arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
379 }
380
npcm7xx_init_fuses(NPCM7xxState * s)381 static void npcm7xx_init_fuses(NPCM7xxState *s)
382 {
383 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
384 uint32_t value;
385
386 /*
387 * The initial mask of disabled modules indicates the chip derivative (e.g.
388 * NPCM750 or NPCM730).
389 */
390 value = cpu_to_le32(nc->disabled_modules);
391 npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
392 sizeof(value));
393 }
394
npcm7xx_write_adc_calibration(NPCM7xxState * s)395 static void npcm7xx_write_adc_calibration(NPCM7xxState *s)
396 {
397 /* Both ADC and the fuse array must have realized. */
398 QEMU_BUILD_BUG_ON(sizeof(s->adc.calibration_r_values) != 4);
399 npcm7xx_otp_array_write(&s->fuse_array, s->adc.calibration_r_values,
400 NPCM7XX_FUSE_ADC_CALIB, sizeof(s->adc.calibration_r_values));
401 }
402
npcm7xx_irq(NPCM7xxState * s,int n)403 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
404 {
405 return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
406 }
407
npcm7xx_init(Object * obj)408 static void npcm7xx_init(Object *obj)
409 {
410 NPCM7xxState *s = NPCM7XX(obj);
411 int i;
412
413 for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
414 object_initialize_child(obj, "cpu[*]", &s->cpu[i],
415 ARM_CPU_TYPE_NAME("cortex-a9"));
416 }
417
418 object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
419 object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
420 object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
421 "power-on-straps");
422 object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
423 object_initialize_child(obj, "otp1", &s->key_storage,
424 TYPE_NPCM7XX_KEY_STORAGE);
425 object_initialize_child(obj, "otp2", &s->fuse_array,
426 TYPE_NPCM7XX_FUSE_ARRAY);
427 object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
428 object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
429 object_initialize_child(obj, "adc", &s->adc, TYPE_NPCM7XX_ADC);
430
431 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
432 object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
433 }
434
435 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
436 object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
437 }
438
439 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
440 object_initialize_child(obj, "smbus[*]", &s->smbus[i],
441 TYPE_NPCM7XX_SMBUS);
442 }
443
444 object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
445 object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
446
447 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
448 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
449 object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
450 TYPE_NPCM7XX_FIU);
451 }
452
453 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
454 object_initialize_child(obj, "pwm[*]", &s->pwm[i], TYPE_NPCM7XX_PWM);
455 }
456
457 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
458 object_initialize_child(obj, "mft[*]", &s->mft[i], TYPE_NPCM7XX_MFT);
459 }
460
461 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
462 object_initialize_child(obj, "emc[*]", &s->emc[i], TYPE_NPCM7XX_EMC);
463 }
464
465 for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
466 object_initialize_child(obj, "pspi[*]", &s->pspi[i], TYPE_NPCM_PSPI);
467 }
468
469 for (i = 0; i < ARRAY_SIZE(s->gmac); i++) {
470 object_initialize_child(obj, "gmac[*]", &s->gmac[i], TYPE_NPCM_GMAC);
471 }
472
473 object_initialize_child(obj, "mmc", &s->mmc, TYPE_NPCM7XX_SDHCI);
474 }
475
npcm7xx_realize(DeviceState * dev,Error ** errp)476 static void npcm7xx_realize(DeviceState *dev, Error **errp)
477 {
478 NPCM7xxState *s = NPCM7XX(dev);
479 NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
480 int i;
481
482 if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
483 error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
484 " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
485 return;
486 }
487
488 /* CPUs */
489 for (i = 0; i < nc->num_cpus; i++) {
490 object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
491 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
492 object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
493 &error_abort);
494
495 /* Disable security extensions. */
496 object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
497 &error_abort);
498
499 if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
500 return;
501 }
502 }
503
504 /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
505 object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
506 &error_abort);
507 object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
508 &error_abort);
509 sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
510 sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
511
512 for (i = 0; i < nc->num_cpus; i++) {
513 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
514 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
515 sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
516 qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
517 }
518
519 /* L2 cache controller */
520 sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
521
522 /* System Global Control Registers (GCR). Can fail due to user input. */
523 object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
524 nc->disabled_modules, &error_abort);
525 object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
526 if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
527 return;
528 }
529 sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
530
531 /* Clock Control Registers (CLK). Cannot fail. */
532 sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
533 sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
534
535 /* OTP key storage and fuse strap array. Cannot fail. */
536 sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
537 sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
538 sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
539 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
540 npcm7xx_init_fuses(s);
541
542 /* Fake Memory Controller (MC). Cannot fail. */
543 sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
544 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
545
546 /* ADC Modules. Cannot fail. */
547 qdev_connect_clock_in(DEVICE(&s->adc), "clock", qdev_get_clock_out(
548 DEVICE(&s->clk), "adc-clock"));
549 sysbus_realize(SYS_BUS_DEVICE(&s->adc), &error_abort);
550 sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, NPCM7XX_ADC_BA);
551 sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
552 npcm7xx_irq(s, NPCM7XX_ADC_IRQ));
553 npcm7xx_write_adc_calibration(s);
554
555 /* Timer Modules (TIM). Cannot fail. */
556 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
557 for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
558 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
559 int first_irq;
560 int j;
561
562 /* Connect the timer clock. */
563 qdev_connect_clock_in(DEVICE(&s->tim[i]), "clock", qdev_get_clock_out(
564 DEVICE(&s->clk), "timer-clock"));
565
566 sysbus_realize(sbd, &error_abort);
567 sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
568
569 first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
570 for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
571 qemu_irq irq = npcm7xx_irq(s, first_irq + j);
572 sysbus_connect_irq(sbd, j, irq);
573 }
574
575 /* IRQ for watchdogs */
576 sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
577 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
578 /* GPIO that connects clk module with watchdog */
579 qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
580 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
581 qdev_get_gpio_in_named(DEVICE(&s->clk),
582 NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
583 }
584
585 /* UART0..3 (16550 compatible) */
586 for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
587 serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
588 npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
589 serial_hd(i), DEVICE_LITTLE_ENDIAN);
590 }
591
592 /* Random Number Generator. Cannot fail. */
593 sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
594 sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
595
596 /* GPIO modules. Cannot fail. */
597 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
598 for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
599 Object *obj = OBJECT(&s->gpio[i]);
600
601 object_property_set_uint(obj, "reset-pullup",
602 npcm7xx_gpio[i].reset_pu, &error_abort);
603 object_property_set_uint(obj, "reset-pulldown",
604 npcm7xx_gpio[i].reset_pd, &error_abort);
605 object_property_set_uint(obj, "reset-osrc",
606 npcm7xx_gpio[i].reset_osrc, &error_abort);
607 object_property_set_uint(obj, "reset-odsc",
608 npcm7xx_gpio[i].reset_odsc, &error_abort);
609 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
610 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
611 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
612 npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
613 }
614
615 /* SMBus modules. Cannot fail. */
616 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_smbus_addr) != ARRAY_SIZE(s->smbus));
617 for (i = 0; i < ARRAY_SIZE(s->smbus); i++) {
618 Object *obj = OBJECT(&s->smbus[i]);
619
620 sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
621 sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_smbus_addr[i]);
622 sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
623 npcm7xx_irq(s, NPCM7XX_SMBUS0_IRQ + i));
624 }
625
626 /* USB Host */
627 object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
628 &error_abort);
629 sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
630 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
631 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
632 npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
633
634 object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
635 &error_abort);
636 object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
637 sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
638 sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
639 sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
640 npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
641
642 /* PWM Modules. Cannot fail. */
643 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pwm_addr) != ARRAY_SIZE(s->pwm));
644 for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
645 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pwm[i]);
646
647 qdev_connect_clock_in(DEVICE(&s->pwm[i]), "clock", qdev_get_clock_out(
648 DEVICE(&s->clk), "apb3-clock"));
649 sysbus_realize(sbd, &error_abort);
650 sysbus_mmio_map(sbd, 0, npcm7xx_pwm_addr[i]);
651 sysbus_connect_irq(sbd, i, npcm7xx_irq(s, NPCM7XX_PWM0_IRQ + i));
652 }
653
654 /* MFT Modules. Cannot fail. */
655 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_mft_addr) != ARRAY_SIZE(s->mft));
656 for (i = 0; i < ARRAY_SIZE(s->mft); i++) {
657 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->mft[i]);
658
659 qdev_connect_clock_in(DEVICE(&s->mft[i]), "clock-in",
660 qdev_get_clock_out(DEVICE(&s->clk),
661 "apb4-clock"));
662 sysbus_realize(sbd, &error_abort);
663 sysbus_mmio_map(sbd, 0, npcm7xx_mft_addr[i]);
664 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, NPCM7XX_MFT0_IRQ + i));
665 }
666
667 /*
668 * EMC Modules. Cannot fail.
669 * Use the available NIC configurations in order, allowing 'emc0' and
670 * 'emc1' to by used as aliases for the model= parameter to override.
671 *
672 * This works around the inability to specify the netdev property for the
673 * emc device: it's not pluggable and thus the -device option can't be
674 * used.
675 */
676 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_emc_addr) != ARRAY_SIZE(s->emc));
677 QEMU_BUILD_BUG_ON(ARRAY_SIZE(s->emc) != 2);
678 for (i = 0; i < ARRAY_SIZE(s->emc); i++) {
679 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->emc[i]);
680 char alias[6];
681
682 s->emc[i].emc_num = i;
683 snprintf(alias, sizeof(alias), "emc%u", i);
684 qemu_configure_nic_device(DEVICE(sbd), true, alias);
685
686 /*
687 * The device exists regardless of whether it's connected to a QEMU
688 * netdev backend. So always instantiate it even if there is no
689 * backend.
690 */
691 sysbus_realize(sbd, &error_abort);
692 sysbus_mmio_map(sbd, 0, npcm7xx_emc_addr[i]);
693 int tx_irq = i == 0 ? NPCM7XX_EMC1TX_IRQ : NPCM7XX_EMC2TX_IRQ;
694 int rx_irq = i == 0 ? NPCM7XX_EMC1RX_IRQ : NPCM7XX_EMC2RX_IRQ;
695 /*
696 * N.B. The values for the second argument sysbus_connect_irq are
697 * chosen to match the registration order in npcm7xx_emc_realize.
698 */
699 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, tx_irq));
700 sysbus_connect_irq(sbd, 1, npcm7xx_irq(s, rx_irq));
701 }
702
703 /*
704 * GMAC Modules. Cannot fail.
705 */
706 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gmac_addr) != ARRAY_SIZE(s->gmac));
707 QEMU_BUILD_BUG_ON(ARRAY_SIZE(s->gmac) != 2);
708 for (i = 0; i < ARRAY_SIZE(s->gmac); i++) {
709 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->gmac[i]);
710
711 qemu_configure_nic_device(DEVICE(sbd), false, NULL);
712 /*
713 * The device exists regardless of whether it's connected to a QEMU
714 * netdev backend. So always instantiate it even if there is no
715 * backend.
716 */
717 sysbus_realize(sbd, &error_abort);
718 sysbus_mmio_map(sbd, 0, npcm7xx_gmac_addr[i]);
719 int irq = i == 0 ? NPCM7XX_GMAC1_IRQ : NPCM7XX_GMAC2_IRQ;
720 /*
721 * N.B. The values for the second argument sysbus_connect_irq are
722 * chosen to match the registration order in npcm7xx_emc_realize.
723 */
724 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
725 }
726
727 /*
728 * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
729 * specified, but this is a programming error.
730 */
731 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
732 for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
733 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
734 int j;
735
736 object_property_set_int(OBJECT(sbd), "cs-count",
737 npcm7xx_fiu[i].cs_count, &error_abort);
738 sysbus_realize(sbd, &error_abort);
739
740 sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
741 for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
742 sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
743 }
744 }
745
746 /* RAM2 (SRAM) */
747 memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
748 NPCM7XX_RAM2_SZ, &error_abort);
749 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
750
751 /* RAM3 (SRAM) */
752 memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
753 NPCM7XX_RAM3_SZ, &error_abort);
754 memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
755
756 /* Internal ROM */
757 memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
758 &error_abort);
759 memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
760
761 /* SDHCI */
762 sysbus_realize(SYS_BUS_DEVICE(&s->mmc), &error_abort);
763 sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc), 0, NPCM7XX_MMC_BA);
764 sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc), 0,
765 npcm7xx_irq(s, NPCM7XX_MMC_IRQ));
766
767 /* PSPI */
768 QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pspi_addr) != ARRAY_SIZE(s->pspi));
769 for (i = 0; i < ARRAY_SIZE(s->pspi); i++) {
770 SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pspi[i]);
771 int irq = (i == 0) ? NPCM7XX_PSPI1_IRQ : NPCM7XX_PSPI2_IRQ;
772
773 sysbus_realize(sbd, &error_abort);
774 sysbus_mmio_map(sbd, 0, npcm7xx_pspi_addr[i]);
775 sysbus_connect_irq(sbd, 0, npcm7xx_irq(s, irq));
776 }
777
778 create_unimplemented_device("npcm7xx.shm", 0xc0001000, 4 * KiB);
779 create_unimplemented_device("npcm7xx.vdmx", 0xe0800000, 4 * KiB);
780 create_unimplemented_device("npcm7xx.pcierc", 0xe1000000, 64 * KiB);
781 create_unimplemented_device("npcm7xx.kcs", 0xf0007000, 4 * KiB);
782 create_unimplemented_device("npcm7xx.gfxi", 0xf000e000, 4 * KiB);
783 create_unimplemented_device("npcm7xx.espi", 0xf009f000, 4 * KiB);
784 create_unimplemented_device("npcm7xx.peci", 0xf0100000, 4 * KiB);
785 create_unimplemented_device("npcm7xx.siox[1]", 0xf0101000, 4 * KiB);
786 create_unimplemented_device("npcm7xx.siox[2]", 0xf0102000, 4 * KiB);
787 create_unimplemented_device("npcm7xx.ahbpci", 0xf0400000, 1 * MiB);
788 create_unimplemented_device("npcm7xx.mcphy", 0xf05f0000, 64 * KiB);
789 create_unimplemented_device("npcm7xx.vcd", 0xf0810000, 64 * KiB);
790 create_unimplemented_device("npcm7xx.ece", 0xf0820000, 8 * KiB);
791 create_unimplemented_device("npcm7xx.vdma", 0xf0822000, 8 * KiB);
792 create_unimplemented_device("npcm7xx.usbd[0]", 0xf0830000, 4 * KiB);
793 create_unimplemented_device("npcm7xx.usbd[1]", 0xf0831000, 4 * KiB);
794 create_unimplemented_device("npcm7xx.usbd[2]", 0xf0832000, 4 * KiB);
795 create_unimplemented_device("npcm7xx.usbd[3]", 0xf0833000, 4 * KiB);
796 create_unimplemented_device("npcm7xx.usbd[4]", 0xf0834000, 4 * KiB);
797 create_unimplemented_device("npcm7xx.usbd[5]", 0xf0835000, 4 * KiB);
798 create_unimplemented_device("npcm7xx.usbd[6]", 0xf0836000, 4 * KiB);
799 create_unimplemented_device("npcm7xx.usbd[7]", 0xf0837000, 4 * KiB);
800 create_unimplemented_device("npcm7xx.usbd[8]", 0xf0838000, 4 * KiB);
801 create_unimplemented_device("npcm7xx.usbd[9]", 0xf0839000, 4 * KiB);
802 create_unimplemented_device("npcm7xx.sd", 0xf0840000, 8 * KiB);
803 create_unimplemented_device("npcm7xx.pcimbx", 0xf0848000, 512 * KiB);
804 create_unimplemented_device("npcm7xx.aes", 0xf0858000, 4 * KiB);
805 create_unimplemented_device("npcm7xx.des", 0xf0859000, 4 * KiB);
806 create_unimplemented_device("npcm7xx.sha", 0xf085a000, 4 * KiB);
807 create_unimplemented_device("npcm7xx.secacc", 0xf085b000, 4 * KiB);
808 create_unimplemented_device("npcm7xx.spixcs0", 0xf8000000, 16 * MiB);
809 create_unimplemented_device("npcm7xx.spixcs1", 0xf9000000, 16 * MiB);
810 create_unimplemented_device("npcm7xx.spix", 0xfb001000, 4 * KiB);
811 }
812
813 static Property npcm7xx_properties[] = {
814 DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
815 MemoryRegion *),
816 DEFINE_PROP_END_OF_LIST(),
817 };
818
npcm7xx_class_init(ObjectClass * oc,void * data)819 static void npcm7xx_class_init(ObjectClass *oc, void *data)
820 {
821 DeviceClass *dc = DEVICE_CLASS(oc);
822
823 dc->realize = npcm7xx_realize;
824 dc->user_creatable = false;
825 device_class_set_props(dc, npcm7xx_properties);
826 }
827
npcm730_class_init(ObjectClass * oc,void * data)828 static void npcm730_class_init(ObjectClass *oc, void *data)
829 {
830 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
831
832 /* NPCM730 is optimized for data center use, so no graphics, etc. */
833 nc->disabled_modules = 0x00300395;
834 nc->num_cpus = 2;
835 }
836
npcm750_class_init(ObjectClass * oc,void * data)837 static void npcm750_class_init(ObjectClass *oc, void *data)
838 {
839 NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
840
841 /* NPCM750 has 2 cores and a full set of peripherals */
842 nc->disabled_modules = 0x00000000;
843 nc->num_cpus = 2;
844 }
845
846 static const TypeInfo npcm7xx_soc_types[] = {
847 {
848 .name = TYPE_NPCM7XX,
849 .parent = TYPE_DEVICE,
850 .instance_size = sizeof(NPCM7xxState),
851 .instance_init = npcm7xx_init,
852 .class_size = sizeof(NPCM7xxClass),
853 .class_init = npcm7xx_class_init,
854 .abstract = true,
855 }, {
856 .name = TYPE_NPCM730,
857 .parent = TYPE_NPCM7XX,
858 .class_init = npcm730_class_init,
859 }, {
860 .name = TYPE_NPCM750,
861 .parent = TYPE_NPCM7XX,
862 .class_init = npcm750_class_init,
863 },
864 };
865
866 DEFINE_TYPES(npcm7xx_soc_types);
867