xref: /openbmc/qemu/hw/arm/npcm7xx.c (revision b3c818a4)
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_TIMER0_IRQ          = 32,   /* Timer Module 0 */
86     NPCM7XX_TIMER1_IRQ,
87     NPCM7XX_TIMER2_IRQ,
88     NPCM7XX_TIMER3_IRQ,
89     NPCM7XX_TIMER4_IRQ,
90     NPCM7XX_TIMER5_IRQ,                 /* Timer Module 1 */
91     NPCM7XX_TIMER6_IRQ,
92     NPCM7XX_TIMER7_IRQ,
93     NPCM7XX_TIMER8_IRQ,
94     NPCM7XX_TIMER9_IRQ,
95     NPCM7XX_TIMER10_IRQ,                /* Timer Module 2 */
96     NPCM7XX_TIMER11_IRQ,
97     NPCM7XX_TIMER12_IRQ,
98     NPCM7XX_TIMER13_IRQ,
99     NPCM7XX_TIMER14_IRQ,
100     NPCM7XX_WDG0_IRQ            = 47,   /* Timer Module 0 Watchdog */
101     NPCM7XX_WDG1_IRQ,                   /* Timer Module 1 Watchdog */
102     NPCM7XX_WDG2_IRQ,                   /* Timer Module 2 Watchdog */
103     NPCM7XX_EHCI_IRQ            = 61,
104     NPCM7XX_OHCI_IRQ            = 62,
105     NPCM7XX_PWM0_IRQ            = 93,   /* PWM module 0 */
106     NPCM7XX_PWM1_IRQ,                   /* PWM module 1 */
107     NPCM7XX_GPIO0_IRQ           = 116,
108     NPCM7XX_GPIO1_IRQ,
109     NPCM7XX_GPIO2_IRQ,
110     NPCM7XX_GPIO3_IRQ,
111     NPCM7XX_GPIO4_IRQ,
112     NPCM7XX_GPIO5_IRQ,
113     NPCM7XX_GPIO6_IRQ,
114     NPCM7XX_GPIO7_IRQ,
115 };
116 
117 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
118 #define NPCM7XX_NUM_IRQ         (160)
119 
120 /* Register base address for each Timer Module */
121 static const hwaddr npcm7xx_tim_addr[] = {
122     0xf0008000,
123     0xf0009000,
124     0xf000a000,
125 };
126 
127 /* Register base address for each 16550 UART */
128 static const hwaddr npcm7xx_uart_addr[] = {
129     0xf0001000,
130     0xf0002000,
131     0xf0003000,
132     0xf0004000,
133 };
134 
135 /* Direct memory-mapped access to SPI0 CS0-1. */
136 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
137     0x80000000, /* CS0 */
138     0x88000000, /* CS1 */
139 };
140 
141 /* Direct memory-mapped access to SPI3 CS0-3. */
142 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
143     0xa0000000, /* CS0 */
144     0xa8000000, /* CS1 */
145     0xb0000000, /* CS2 */
146     0xb8000000, /* CS3 */
147 };
148 
149 /* Register base address for each PWM Module */
150 static const hwaddr npcm7xx_pwm_addr[] = {
151     0xf0103000,
152     0xf0104000,
153 };
154 
155 static const struct {
156     hwaddr regs_addr;
157     uint32_t unconnected_pins;
158     uint32_t reset_pu;
159     uint32_t reset_pd;
160     uint32_t reset_osrc;
161     uint32_t reset_odsc;
162 } npcm7xx_gpio[] = {
163     {
164         .regs_addr = 0xf0010000,
165         .reset_pu = 0xff03ffff,
166         .reset_pd = 0x00fc0000,
167     }, {
168         .regs_addr = 0xf0011000,
169         .unconnected_pins = 0x0000001e,
170         .reset_pu = 0xfefffe07,
171         .reset_pd = 0x010001e0,
172     }, {
173         .regs_addr = 0xf0012000,
174         .reset_pu = 0x780fffff,
175         .reset_pd = 0x07f00000,
176         .reset_odsc = 0x00700000,
177     }, {
178         .regs_addr = 0xf0013000,
179         .reset_pu = 0x00fc0000,
180         .reset_pd = 0xff000000,
181     }, {
182         .regs_addr = 0xf0014000,
183         .reset_pu = 0xffffffff,
184     }, {
185         .regs_addr = 0xf0015000,
186         .reset_pu = 0xbf83f801,
187         .reset_pd = 0x007c0000,
188         .reset_osrc = 0x000000f1,
189         .reset_odsc = 0x3f9f80f1,
190     }, {
191         .regs_addr = 0xf0016000,
192         .reset_pu = 0xfc00f801,
193         .reset_pd = 0x000007fe,
194         .reset_odsc = 0x00000800,
195     }, {
196         .regs_addr = 0xf0017000,
197         .unconnected_pins = 0xffffff00,
198         .reset_pu = 0x0000007f,
199         .reset_osrc = 0x0000007f,
200         .reset_odsc = 0x0000007f,
201     },
202 };
203 
204 static const struct {
205     const char *name;
206     hwaddr regs_addr;
207     int cs_count;
208     const hwaddr *flash_addr;
209 } npcm7xx_fiu[] = {
210     {
211         .name = "fiu0",
212         .regs_addr = 0xfb000000,
213         .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
214         .flash_addr = npcm7xx_fiu0_flash_addr,
215     }, {
216         .name = "fiu3",
217         .regs_addr = 0xc0000000,
218         .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
219         .flash_addr = npcm7xx_fiu3_flash_addr,
220     },
221 };
222 
223 static void npcm7xx_write_board_setup(ARMCPU *cpu,
224                                       const struct arm_boot_info *info)
225 {
226     uint32_t board_setup[] = {
227         0xe59f0010,     /* ldr r0, clk_base_addr */
228         0xe59f1010,     /* ldr r1, pllcon1_value */
229         0xe5801010,     /* str r1, [r0, #16] */
230         0xe59f100c,     /* ldr r1, clksel_value */
231         0xe5801004,     /* str r1, [r0, #4] */
232         0xe12fff1e,     /* bx lr */
233         NPCM7XX_CLK_BA,
234         NPCM7XX_PLLCON1_FIXUP_VAL,
235         NPCM7XX_CLKSEL_FIXUP_VAL,
236     };
237     int i;
238 
239     for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
240         board_setup[i] = tswap32(board_setup[i]);
241     }
242     rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
243                        info->board_setup_addr);
244 }
245 
246 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
247                                          const struct arm_boot_info *info)
248 {
249     /*
250      * The default smpboot stub halts the secondary CPU with a 'wfi'
251      * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
252      * does not send an IPI to wake it up, so the second CPU fails to boot. So
253      * we need to provide our own smpboot stub that can not use 'wfi', it has
254      * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
255      */
256     uint32_t smpboot[] = {
257         0xe59f2018,     /* ldr r2, bootreg_addr */
258         0xe3a00000,     /* mov r0, #0 */
259         0xe5820000,     /* str r0, [r2] */
260         0xe320f002,     /* wfe */
261         0xe5921000,     /* ldr r1, [r2] */
262         0xe1110001,     /* tst r1, r1 */
263         0x0afffffb,     /* beq <wfe> */
264         0xe12fff11,     /* bx r1 */
265         NPCM7XX_SMP_BOOTREG_ADDR,
266     };
267     int i;
268 
269     for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
270         smpboot[i] = tswap32(smpboot[i]);
271     }
272 
273     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
274                        NPCM7XX_SMP_LOADER_START);
275 }
276 
277 static struct arm_boot_info npcm7xx_binfo = {
278     .loader_start           = NPCM7XX_LOADER_START,
279     .smp_loader_start       = NPCM7XX_SMP_LOADER_START,
280     .smp_bootreg_addr       = NPCM7XX_SMP_BOOTREG_ADDR,
281     .gic_cpu_if_addr        = NPCM7XX_GIC_CPU_IF_ADDR,
282     .write_secondary_boot   = npcm7xx_write_secondary_boot,
283     .board_id               = -1,
284     .board_setup_addr       = NPCM7XX_BOARD_SETUP_ADDR,
285     .write_board_setup      = npcm7xx_write_board_setup,
286 };
287 
288 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
289 {
290     NPCM7xxClass *sc = NPCM7XX_GET_CLASS(soc);
291 
292     npcm7xx_binfo.ram_size = machine->ram_size;
293     npcm7xx_binfo.nb_cpus = sc->num_cpus;
294 
295     arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
296 }
297 
298 static void npcm7xx_init_fuses(NPCM7xxState *s)
299 {
300     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
301     uint32_t value;
302 
303     /*
304      * The initial mask of disabled modules indicates the chip derivative (e.g.
305      * NPCM750 or NPCM730).
306      */
307     value = tswap32(nc->disabled_modules);
308     npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
309                             sizeof(value));
310 }
311 
312 static void npcm7xx_write_adc_calibration(NPCM7xxState *s)
313 {
314     /* Both ADC and the fuse array must have realized. */
315     QEMU_BUILD_BUG_ON(sizeof(s->adc.calibration_r_values) != 4);
316     npcm7xx_otp_array_write(&s->fuse_array, s->adc.calibration_r_values,
317             NPCM7XX_FUSE_ADC_CALIB, sizeof(s->adc.calibration_r_values));
318 }
319 
320 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
321 {
322     return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
323 }
324 
325 static void npcm7xx_init(Object *obj)
326 {
327     NPCM7xxState *s = NPCM7XX(obj);
328     int i;
329 
330     for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
331         object_initialize_child(obj, "cpu[*]", &s->cpu[i],
332                                 ARM_CPU_TYPE_NAME("cortex-a9"));
333     }
334 
335     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
336     object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
337     object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
338                               "power-on-straps");
339     object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
340     object_initialize_child(obj, "otp1", &s->key_storage,
341                             TYPE_NPCM7XX_KEY_STORAGE);
342     object_initialize_child(obj, "otp2", &s->fuse_array,
343                             TYPE_NPCM7XX_FUSE_ARRAY);
344     object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
345     object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
346     object_initialize_child(obj, "adc", &s->adc, TYPE_NPCM7XX_ADC);
347 
348     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
349         object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
350     }
351 
352     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
353         object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
354     }
355 
356     object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
357     object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
358 
359     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
360     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
361         object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
362                                 TYPE_NPCM7XX_FIU);
363     }
364 
365     for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
366         object_initialize_child(obj, "pwm[*]", &s->pwm[i], TYPE_NPCM7XX_PWM);
367     }
368 }
369 
370 static void npcm7xx_realize(DeviceState *dev, Error **errp)
371 {
372     NPCM7xxState *s = NPCM7XX(dev);
373     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
374     int i;
375 
376     if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
377         error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
378                    " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
379         return;
380     }
381 
382     /* CPUs */
383     for (i = 0; i < nc->num_cpus; i++) {
384         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
385                                 arm_cpu_mp_affinity(i, NPCM7XX_MAX_NUM_CPUS),
386                                 &error_abort);
387         object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
388                                 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
389         object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
390                                  &error_abort);
391 
392         /* Disable security extensions. */
393         object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
394                                  &error_abort);
395 
396         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
397             return;
398         }
399     }
400 
401     /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
402     object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
403                             &error_abort);
404     object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
405                             &error_abort);
406     sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
407     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
408 
409     for (i = 0; i < nc->num_cpus; i++) {
410         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
411                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
412         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
413                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
414     }
415 
416     /* L2 cache controller */
417     sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
418 
419     /* System Global Control Registers (GCR). Can fail due to user input. */
420     object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
421                             nc->disabled_modules, &error_abort);
422     object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
423     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
424         return;
425     }
426     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
427 
428     /* Clock Control Registers (CLK). Cannot fail. */
429     sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
430     sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
431 
432     /* OTP key storage and fuse strap array. Cannot fail. */
433     sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
434     sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
435     sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
436     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
437     npcm7xx_init_fuses(s);
438 
439     /* Fake Memory Controller (MC). Cannot fail. */
440     sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
441     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
442 
443     /* ADC Modules. Cannot fail. */
444     qdev_connect_clock_in(DEVICE(&s->adc), "clock", qdev_get_clock_out(
445                           DEVICE(&s->clk), "adc-clock"));
446     sysbus_realize(SYS_BUS_DEVICE(&s->adc), &error_abort);
447     sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, NPCM7XX_ADC_BA);
448     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
449             npcm7xx_irq(s, NPCM7XX_ADC_IRQ));
450     npcm7xx_write_adc_calibration(s);
451 
452     /* Timer Modules (TIM). Cannot fail. */
453     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
454     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
455         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
456         int first_irq;
457         int j;
458 
459         /* Connect the timer clock. */
460         qdev_connect_clock_in(DEVICE(&s->tim[i]), "clock", qdev_get_clock_out(
461                     DEVICE(&s->clk), "timer-clock"));
462 
463         sysbus_realize(sbd, &error_abort);
464         sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
465 
466         first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
467         for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
468             qemu_irq irq = npcm7xx_irq(s, first_irq + j);
469             sysbus_connect_irq(sbd, j, irq);
470         }
471 
472         /* IRQ for watchdogs */
473         sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
474                 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
475         /* GPIO that connects clk module with watchdog */
476         qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
477                 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
478                 qdev_get_gpio_in_named(DEVICE(&s->clk),
479                         NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
480     }
481 
482     /* UART0..3 (16550 compatible) */
483     for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
484         serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
485                        npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
486                        serial_hd(i), DEVICE_LITTLE_ENDIAN);
487     }
488 
489     /* Random Number Generator. Cannot fail. */
490     sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
491     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
492 
493     /* GPIO modules. Cannot fail. */
494     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
495     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
496         Object *obj = OBJECT(&s->gpio[i]);
497 
498         object_property_set_uint(obj, "reset-pullup",
499                                  npcm7xx_gpio[i].reset_pu, &error_abort);
500         object_property_set_uint(obj, "reset-pulldown",
501                                  npcm7xx_gpio[i].reset_pd, &error_abort);
502         object_property_set_uint(obj, "reset-osrc",
503                                  npcm7xx_gpio[i].reset_osrc, &error_abort);
504         object_property_set_uint(obj, "reset-odsc",
505                                  npcm7xx_gpio[i].reset_odsc, &error_abort);
506         sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
507         sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
508         sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
509                            npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
510     }
511 
512     /* USB Host */
513     object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
514                              &error_abort);
515     sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
516     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
517     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
518                        npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
519 
520     object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
521                             &error_abort);
522     object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
523     sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
524     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
525     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
526                        npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
527 
528     /* PWM Modules. Cannot fail. */
529     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_pwm_addr) != ARRAY_SIZE(s->pwm));
530     for (i = 0; i < ARRAY_SIZE(s->pwm); i++) {
531         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->pwm[i]);
532 
533         qdev_connect_clock_in(DEVICE(&s->pwm[i]), "clock", qdev_get_clock_out(
534                     DEVICE(&s->clk), "apb3-clock"));
535         sysbus_realize(sbd, &error_abort);
536         sysbus_mmio_map(sbd, 0, npcm7xx_pwm_addr[i]);
537         sysbus_connect_irq(sbd, i, npcm7xx_irq(s, NPCM7XX_PWM0_IRQ + i));
538     }
539 
540     /*
541      * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
542      * specified, but this is a programming error.
543      */
544     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
545     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
546         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
547         int j;
548 
549         object_property_set_int(OBJECT(sbd), "cs-count",
550                                 npcm7xx_fiu[i].cs_count, &error_abort);
551         sysbus_realize(sbd, &error_abort);
552 
553         sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
554         for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
555             sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
556         }
557     }
558 
559     /* RAM2 (SRAM) */
560     memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
561                            NPCM7XX_RAM2_SZ, &error_abort);
562     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
563 
564     /* RAM3 (SRAM) */
565     memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
566                            NPCM7XX_RAM3_SZ, &error_abort);
567     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
568 
569     /* Internal ROM */
570     memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
571                            &error_abort);
572     memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
573 
574     create_unimplemented_device("npcm7xx.shm",          0xc0001000,   4 * KiB);
575     create_unimplemented_device("npcm7xx.vdmx",         0xe0800000,   4 * KiB);
576     create_unimplemented_device("npcm7xx.pcierc",       0xe1000000,  64 * KiB);
577     create_unimplemented_device("npcm7xx.kcs",          0xf0007000,   4 * KiB);
578     create_unimplemented_device("npcm7xx.gfxi",         0xf000e000,   4 * KiB);
579     create_unimplemented_device("npcm7xx.gpio[0]",      0xf0010000,   4 * KiB);
580     create_unimplemented_device("npcm7xx.gpio[1]",      0xf0011000,   4 * KiB);
581     create_unimplemented_device("npcm7xx.gpio[2]",      0xf0012000,   4 * KiB);
582     create_unimplemented_device("npcm7xx.gpio[3]",      0xf0013000,   4 * KiB);
583     create_unimplemented_device("npcm7xx.gpio[4]",      0xf0014000,   4 * KiB);
584     create_unimplemented_device("npcm7xx.gpio[5]",      0xf0015000,   4 * KiB);
585     create_unimplemented_device("npcm7xx.gpio[6]",      0xf0016000,   4 * KiB);
586     create_unimplemented_device("npcm7xx.gpio[7]",      0xf0017000,   4 * KiB);
587     create_unimplemented_device("npcm7xx.smbus[0]",     0xf0080000,   4 * KiB);
588     create_unimplemented_device("npcm7xx.smbus[1]",     0xf0081000,   4 * KiB);
589     create_unimplemented_device("npcm7xx.smbus[2]",     0xf0082000,   4 * KiB);
590     create_unimplemented_device("npcm7xx.smbus[3]",     0xf0083000,   4 * KiB);
591     create_unimplemented_device("npcm7xx.smbus[4]",     0xf0084000,   4 * KiB);
592     create_unimplemented_device("npcm7xx.smbus[5]",     0xf0085000,   4 * KiB);
593     create_unimplemented_device("npcm7xx.smbus[6]",     0xf0086000,   4 * KiB);
594     create_unimplemented_device("npcm7xx.smbus[7]",     0xf0087000,   4 * KiB);
595     create_unimplemented_device("npcm7xx.smbus[8]",     0xf0088000,   4 * KiB);
596     create_unimplemented_device("npcm7xx.smbus[9]",     0xf0089000,   4 * KiB);
597     create_unimplemented_device("npcm7xx.smbus[10]",    0xf008a000,   4 * KiB);
598     create_unimplemented_device("npcm7xx.smbus[11]",    0xf008b000,   4 * KiB);
599     create_unimplemented_device("npcm7xx.smbus[12]",    0xf008c000,   4 * KiB);
600     create_unimplemented_device("npcm7xx.smbus[13]",    0xf008d000,   4 * KiB);
601     create_unimplemented_device("npcm7xx.smbus[14]",    0xf008e000,   4 * KiB);
602     create_unimplemented_device("npcm7xx.smbus[15]",    0xf008f000,   4 * KiB);
603     create_unimplemented_device("npcm7xx.espi",         0xf009f000,   4 * KiB);
604     create_unimplemented_device("npcm7xx.peci",         0xf0100000,   4 * KiB);
605     create_unimplemented_device("npcm7xx.siox[1]",      0xf0101000,   4 * KiB);
606     create_unimplemented_device("npcm7xx.siox[2]",      0xf0102000,   4 * KiB);
607     create_unimplemented_device("npcm7xx.mft[0]",       0xf0180000,   4 * KiB);
608     create_unimplemented_device("npcm7xx.mft[1]",       0xf0181000,   4 * KiB);
609     create_unimplemented_device("npcm7xx.mft[2]",       0xf0182000,   4 * KiB);
610     create_unimplemented_device("npcm7xx.mft[3]",       0xf0183000,   4 * KiB);
611     create_unimplemented_device("npcm7xx.mft[4]",       0xf0184000,   4 * KiB);
612     create_unimplemented_device("npcm7xx.mft[5]",       0xf0185000,   4 * KiB);
613     create_unimplemented_device("npcm7xx.mft[6]",       0xf0186000,   4 * KiB);
614     create_unimplemented_device("npcm7xx.mft[7]",       0xf0187000,   4 * KiB);
615     create_unimplemented_device("npcm7xx.pspi1",        0xf0200000,   4 * KiB);
616     create_unimplemented_device("npcm7xx.pspi2",        0xf0201000,   4 * KiB);
617     create_unimplemented_device("npcm7xx.ahbpci",       0xf0400000,   1 * MiB);
618     create_unimplemented_device("npcm7xx.mcphy",        0xf05f0000,  64 * KiB);
619     create_unimplemented_device("npcm7xx.gmac1",        0xf0802000,   8 * KiB);
620     create_unimplemented_device("npcm7xx.gmac2",        0xf0804000,   8 * KiB);
621     create_unimplemented_device("npcm7xx.vcd",          0xf0810000,  64 * KiB);
622     create_unimplemented_device("npcm7xx.ece",          0xf0820000,   8 * KiB);
623     create_unimplemented_device("npcm7xx.vdma",         0xf0822000,   8 * KiB);
624     create_unimplemented_device("npcm7xx.emc1",         0xf0825000,   4 * KiB);
625     create_unimplemented_device("npcm7xx.emc2",         0xf0826000,   4 * KiB);
626     create_unimplemented_device("npcm7xx.usbd[0]",      0xf0830000,   4 * KiB);
627     create_unimplemented_device("npcm7xx.usbd[1]",      0xf0831000,   4 * KiB);
628     create_unimplemented_device("npcm7xx.usbd[2]",      0xf0832000,   4 * KiB);
629     create_unimplemented_device("npcm7xx.usbd[3]",      0xf0833000,   4 * KiB);
630     create_unimplemented_device("npcm7xx.usbd[4]",      0xf0834000,   4 * KiB);
631     create_unimplemented_device("npcm7xx.usbd[5]",      0xf0835000,   4 * KiB);
632     create_unimplemented_device("npcm7xx.usbd[6]",      0xf0836000,   4 * KiB);
633     create_unimplemented_device("npcm7xx.usbd[7]",      0xf0837000,   4 * KiB);
634     create_unimplemented_device("npcm7xx.usbd[8]",      0xf0838000,   4 * KiB);
635     create_unimplemented_device("npcm7xx.usbd[9]",      0xf0839000,   4 * KiB);
636     create_unimplemented_device("npcm7xx.sd",           0xf0840000,   8 * KiB);
637     create_unimplemented_device("npcm7xx.mmc",          0xf0842000,   8 * KiB);
638     create_unimplemented_device("npcm7xx.pcimbx",       0xf0848000, 512 * KiB);
639     create_unimplemented_device("npcm7xx.aes",          0xf0858000,   4 * KiB);
640     create_unimplemented_device("npcm7xx.des",          0xf0859000,   4 * KiB);
641     create_unimplemented_device("npcm7xx.sha",          0xf085a000,   4 * KiB);
642     create_unimplemented_device("npcm7xx.secacc",       0xf085b000,   4 * KiB);
643     create_unimplemented_device("npcm7xx.spixcs0",      0xf8000000,  16 * MiB);
644     create_unimplemented_device("npcm7xx.spixcs1",      0xf9000000,  16 * MiB);
645     create_unimplemented_device("npcm7xx.spix",         0xfb001000,   4 * KiB);
646 }
647 
648 static Property npcm7xx_properties[] = {
649     DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
650                      MemoryRegion *),
651     DEFINE_PROP_END_OF_LIST(),
652 };
653 
654 static void npcm7xx_class_init(ObjectClass *oc, void *data)
655 {
656     DeviceClass *dc = DEVICE_CLASS(oc);
657 
658     dc->realize = npcm7xx_realize;
659     dc->user_creatable = false;
660     device_class_set_props(dc, npcm7xx_properties);
661 }
662 
663 static void npcm730_class_init(ObjectClass *oc, void *data)
664 {
665     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
666 
667     /* NPCM730 is optimized for data center use, so no graphics, etc. */
668     nc->disabled_modules = 0x00300395;
669     nc->num_cpus = 2;
670 }
671 
672 static void npcm750_class_init(ObjectClass *oc, void *data)
673 {
674     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
675 
676     /* NPCM750 has 2 cores and a full set of peripherals */
677     nc->disabled_modules = 0x00000000;
678     nc->num_cpus = 2;
679 }
680 
681 static const TypeInfo npcm7xx_soc_types[] = {
682     {
683         .name           = TYPE_NPCM7XX,
684         .parent         = TYPE_DEVICE,
685         .instance_size  = sizeof(NPCM7xxState),
686         .instance_init  = npcm7xx_init,
687         .class_size     = sizeof(NPCM7xxClass),
688         .class_init     = npcm7xx_class_init,
689         .abstract       = true,
690     }, {
691         .name           = TYPE_NPCM730,
692         .parent         = TYPE_NPCM7XX,
693         .class_init     = npcm730_class_init,
694     }, {
695         .name           = TYPE_NPCM750,
696         .parent         = TYPE_NPCM7XX,
697         .class_init     = npcm750_class_init,
698     },
699 };
700 
701 DEFINE_TYPES(npcm7xx_soc_types);
702