xref: /openbmc/qemu/hw/arm/npcm7xx.c (revision 0be12dc76aabda6399a28d9b5e450da2bb94cb22)
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 /* Internal AHB SRAM */
55 #define NPCM7XX_RAM3_BA         (0xc0008000)
56 #define NPCM7XX_RAM3_SZ         (4 * KiB)
57 
58 /* Memory blocks at the end of the address space */
59 #define NPCM7XX_RAM2_BA         (0xfffd0000)
60 #define NPCM7XX_RAM2_SZ         (128 * KiB)
61 #define NPCM7XX_ROM_BA          (0xffff0000)
62 #define NPCM7XX_ROM_SZ          (64 * KiB)
63 
64 /* Clock configuration values to be fixed up when bypassing bootloader */
65 
66 /* Run PLL1 at 1600 MHz */
67 #define NPCM7XX_PLLCON1_FIXUP_VAL   (0x00402101)
68 /* Run the CPU from PLL1 and UART from PLL2 */
69 #define NPCM7XX_CLKSEL_FIXUP_VAL    (0x004aaba9)
70 
71 /*
72  * Interrupt lines going into the GIC. This does not include internal Cortex-A9
73  * interrupts.
74  */
75 enum NPCM7xxInterrupt {
76     NPCM7XX_UART0_IRQ           = 2,
77     NPCM7XX_UART1_IRQ,
78     NPCM7XX_UART2_IRQ,
79     NPCM7XX_UART3_IRQ,
80     NPCM7XX_TIMER0_IRQ          = 32,   /* Timer Module 0 */
81     NPCM7XX_TIMER1_IRQ,
82     NPCM7XX_TIMER2_IRQ,
83     NPCM7XX_TIMER3_IRQ,
84     NPCM7XX_TIMER4_IRQ,
85     NPCM7XX_TIMER5_IRQ,                 /* Timer Module 1 */
86     NPCM7XX_TIMER6_IRQ,
87     NPCM7XX_TIMER7_IRQ,
88     NPCM7XX_TIMER8_IRQ,
89     NPCM7XX_TIMER9_IRQ,
90     NPCM7XX_TIMER10_IRQ,                /* Timer Module 2 */
91     NPCM7XX_TIMER11_IRQ,
92     NPCM7XX_TIMER12_IRQ,
93     NPCM7XX_TIMER13_IRQ,
94     NPCM7XX_TIMER14_IRQ,
95     NPCM7XX_WDG0_IRQ            = 47,   /* Timer Module 0 Watchdog */
96     NPCM7XX_WDG1_IRQ,                   /* Timer Module 1 Watchdog */
97     NPCM7XX_WDG2_IRQ,                   /* Timer Module 2 Watchdog */
98     NPCM7XX_EHCI_IRQ            = 61,
99     NPCM7XX_OHCI_IRQ            = 62,
100     NPCM7XX_GPIO0_IRQ           = 116,
101     NPCM7XX_GPIO1_IRQ,
102     NPCM7XX_GPIO2_IRQ,
103     NPCM7XX_GPIO3_IRQ,
104     NPCM7XX_GPIO4_IRQ,
105     NPCM7XX_GPIO5_IRQ,
106     NPCM7XX_GPIO6_IRQ,
107     NPCM7XX_GPIO7_IRQ,
108 };
109 
110 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
111 #define NPCM7XX_NUM_IRQ         (160)
112 
113 /* Register base address for each Timer Module */
114 static const hwaddr npcm7xx_tim_addr[] = {
115     0xf0008000,
116     0xf0009000,
117     0xf000a000,
118 };
119 
120 /* Register base address for each 16550 UART */
121 static const hwaddr npcm7xx_uart_addr[] = {
122     0xf0001000,
123     0xf0002000,
124     0xf0003000,
125     0xf0004000,
126 };
127 
128 /* Direct memory-mapped access to SPI0 CS0-1. */
129 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
130     0x80000000, /* CS0 */
131     0x88000000, /* CS1 */
132 };
133 
134 /* Direct memory-mapped access to SPI3 CS0-3. */
135 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
136     0xa0000000, /* CS0 */
137     0xa8000000, /* CS1 */
138     0xb0000000, /* CS2 */
139     0xb8000000, /* CS3 */
140 };
141 
142 static const struct {
143     hwaddr regs_addr;
144     uint32_t unconnected_pins;
145     uint32_t reset_pu;
146     uint32_t reset_pd;
147     uint32_t reset_osrc;
148     uint32_t reset_odsc;
149 } npcm7xx_gpio[] = {
150     {
151         .regs_addr = 0xf0010000,
152         .reset_pu = 0xff03ffff,
153         .reset_pd = 0x00fc0000,
154     }, {
155         .regs_addr = 0xf0011000,
156         .unconnected_pins = 0x0000001e,
157         .reset_pu = 0xfefffe07,
158         .reset_pd = 0x010001e0,
159     }, {
160         .regs_addr = 0xf0012000,
161         .reset_pu = 0x780fffff,
162         .reset_pd = 0x07f00000,
163         .reset_odsc = 0x00700000,
164     }, {
165         .regs_addr = 0xf0013000,
166         .reset_pu = 0x00fc0000,
167         .reset_pd = 0xff000000,
168     }, {
169         .regs_addr = 0xf0014000,
170         .reset_pu = 0xffffffff,
171     }, {
172         .regs_addr = 0xf0015000,
173         .reset_pu = 0xbf83f801,
174         .reset_pd = 0x007c0000,
175         .reset_osrc = 0x000000f1,
176         .reset_odsc = 0x3f9f80f1,
177     }, {
178         .regs_addr = 0xf0016000,
179         .reset_pu = 0xfc00f801,
180         .reset_pd = 0x000007fe,
181         .reset_odsc = 0x00000800,
182     }, {
183         .regs_addr = 0xf0017000,
184         .unconnected_pins = 0xffffff00,
185         .reset_pu = 0x0000007f,
186         .reset_osrc = 0x0000007f,
187         .reset_odsc = 0x0000007f,
188     },
189 };
190 
191 static const struct {
192     const char *name;
193     hwaddr regs_addr;
194     int cs_count;
195     const hwaddr *flash_addr;
196 } npcm7xx_fiu[] = {
197     {
198         .name = "fiu0",
199         .regs_addr = 0xfb000000,
200         .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
201         .flash_addr = npcm7xx_fiu0_flash_addr,
202     }, {
203         .name = "fiu3",
204         .regs_addr = 0xc0000000,
205         .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
206         .flash_addr = npcm7xx_fiu3_flash_addr,
207     },
208 };
209 
210 static void npcm7xx_write_board_setup(ARMCPU *cpu,
211                                       const struct arm_boot_info *info)
212 {
213     uint32_t board_setup[] = {
214         0xe59f0010,     /* ldr r0, clk_base_addr */
215         0xe59f1010,     /* ldr r1, pllcon1_value */
216         0xe5801010,     /* str r1, [r0, #16] */
217         0xe59f100c,     /* ldr r1, clksel_value */
218         0xe5801004,     /* str r1, [r0, #4] */
219         0xe12fff1e,     /* bx lr */
220         NPCM7XX_CLK_BA,
221         NPCM7XX_PLLCON1_FIXUP_VAL,
222         NPCM7XX_CLKSEL_FIXUP_VAL,
223     };
224     int i;
225 
226     for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
227         board_setup[i] = tswap32(board_setup[i]);
228     }
229     rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
230                        info->board_setup_addr);
231 }
232 
233 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
234                                          const struct arm_boot_info *info)
235 {
236     /*
237      * The default smpboot stub halts the secondary CPU with a 'wfi'
238      * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
239      * does not send an IPI to wake it up, so the second CPU fails to boot. So
240      * we need to provide our own smpboot stub that can not use 'wfi', it has
241      * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
242      */
243     uint32_t smpboot[] = {
244         0xe59f2018,     /* ldr r2, bootreg_addr */
245         0xe3a00000,     /* mov r0, #0 */
246         0xe5820000,     /* str r0, [r2] */
247         0xe320f002,     /* wfe */
248         0xe5921000,     /* ldr r1, [r2] */
249         0xe1110001,     /* tst r1, r1 */
250         0x0afffffb,     /* beq <wfe> */
251         0xe12fff11,     /* bx r1 */
252         NPCM7XX_SMP_BOOTREG_ADDR,
253     };
254     int i;
255 
256     for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
257         smpboot[i] = tswap32(smpboot[i]);
258     }
259 
260     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
261                        NPCM7XX_SMP_LOADER_START);
262 }
263 
264 static struct arm_boot_info npcm7xx_binfo = {
265     .loader_start           = NPCM7XX_LOADER_START,
266     .smp_loader_start       = NPCM7XX_SMP_LOADER_START,
267     .smp_bootreg_addr       = NPCM7XX_SMP_BOOTREG_ADDR,
268     .gic_cpu_if_addr        = NPCM7XX_GIC_CPU_IF_ADDR,
269     .write_secondary_boot   = npcm7xx_write_secondary_boot,
270     .board_id               = -1,
271     .board_setup_addr       = NPCM7XX_BOARD_SETUP_ADDR,
272     .write_board_setup      = npcm7xx_write_board_setup,
273 };
274 
275 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
276 {
277     NPCM7xxClass *sc = NPCM7XX_GET_CLASS(soc);
278 
279     npcm7xx_binfo.ram_size = machine->ram_size;
280     npcm7xx_binfo.nb_cpus = sc->num_cpus;
281 
282     arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
283 }
284 
285 static void npcm7xx_init_fuses(NPCM7xxState *s)
286 {
287     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
288     uint32_t value;
289 
290     /*
291      * The initial mask of disabled modules indicates the chip derivative (e.g.
292      * NPCM750 or NPCM730).
293      */
294     value = tswap32(nc->disabled_modules);
295     npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
296                             sizeof(value));
297 }
298 
299 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
300 {
301     return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
302 }
303 
304 static void npcm7xx_init(Object *obj)
305 {
306     NPCM7xxState *s = NPCM7XX(obj);
307     int i;
308 
309     for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
310         object_initialize_child(obj, "cpu[*]", &s->cpu[i],
311                                 ARM_CPU_TYPE_NAME("cortex-a9"));
312     }
313 
314     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
315     object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
316     object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
317                               "power-on-straps");
318     object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
319     object_initialize_child(obj, "otp1", &s->key_storage,
320                             TYPE_NPCM7XX_KEY_STORAGE);
321     object_initialize_child(obj, "otp2", &s->fuse_array,
322                             TYPE_NPCM7XX_FUSE_ARRAY);
323     object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
324     object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
325 
326     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
327         object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
328     }
329 
330     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
331         object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
332     }
333 
334     object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
335     object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
336 
337     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
338     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
339         object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
340                                 TYPE_NPCM7XX_FIU);
341     }
342 }
343 
344 static void npcm7xx_realize(DeviceState *dev, Error **errp)
345 {
346     NPCM7xxState *s = NPCM7XX(dev);
347     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
348     int i;
349 
350     if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
351         error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
352                    " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
353         return;
354     }
355 
356     /* CPUs */
357     for (i = 0; i < nc->num_cpus; i++) {
358         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
359                                 arm_cpu_mp_affinity(i, NPCM7XX_MAX_NUM_CPUS),
360                                 &error_abort);
361         object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
362                                 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
363         object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
364                                  &error_abort);
365 
366         /* Disable security extensions. */
367         object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
368                                  &error_abort);
369 
370         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
371             return;
372         }
373     }
374 
375     /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
376     object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
377                             &error_abort);
378     object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
379                             &error_abort);
380     sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
381     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
382 
383     for (i = 0; i < nc->num_cpus; i++) {
384         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
385                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
386         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
387                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
388     }
389 
390     /* L2 cache controller */
391     sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
392 
393     /* System Global Control Registers (GCR). Can fail due to user input. */
394     object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
395                             nc->disabled_modules, &error_abort);
396     object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
397     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
398         return;
399     }
400     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
401 
402     /* Clock Control Registers (CLK). Cannot fail. */
403     sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
404     sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
405 
406     /* OTP key storage and fuse strap array. Cannot fail. */
407     sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
408     sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
409     sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
410     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
411     npcm7xx_init_fuses(s);
412 
413     /* Fake Memory Controller (MC). Cannot fail. */
414     sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
415     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
416 
417     /* Timer Modules (TIM). Cannot fail. */
418     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
419     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
420         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
421         int first_irq;
422         int j;
423 
424         /* Connect the timer clock. */
425         qdev_connect_clock_in(DEVICE(&s->tim[i]), "clock", qdev_get_clock_out(
426                     DEVICE(&s->clk), "timer-clock"));
427 
428         sysbus_realize(sbd, &error_abort);
429         sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
430 
431         first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
432         for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
433             qemu_irq irq = npcm7xx_irq(s, first_irq + j);
434             sysbus_connect_irq(sbd, j, irq);
435         }
436 
437         /* IRQ for watchdogs */
438         sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
439                 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
440         /* GPIO that connects clk module with watchdog */
441         qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
442                 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
443                 qdev_get_gpio_in_named(DEVICE(&s->clk),
444                         NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
445     }
446 
447     /* UART0..3 (16550 compatible) */
448     for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
449         serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
450                        npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
451                        serial_hd(i), DEVICE_LITTLE_ENDIAN);
452     }
453 
454     /* Random Number Generator. Cannot fail. */
455     sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
456     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
457 
458     /* GPIO modules. Cannot fail. */
459     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
460     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
461         Object *obj = OBJECT(&s->gpio[i]);
462 
463         object_property_set_uint(obj, "reset-pullup",
464                                  npcm7xx_gpio[i].reset_pu, &error_abort);
465         object_property_set_uint(obj, "reset-pulldown",
466                                  npcm7xx_gpio[i].reset_pd, &error_abort);
467         object_property_set_uint(obj, "reset-osrc",
468                                  npcm7xx_gpio[i].reset_osrc, &error_abort);
469         object_property_set_uint(obj, "reset-odsc",
470                                  npcm7xx_gpio[i].reset_odsc, &error_abort);
471         sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
472         sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
473         sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
474                            npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
475     }
476 
477     /* USB Host */
478     object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
479                              &error_abort);
480     sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
481     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
482     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
483                        npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
484 
485     object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
486                             &error_abort);
487     object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
488     sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
489     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
490     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
491                        npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
492 
493     /*
494      * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
495      * specified, but this is a programming error.
496      */
497     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
498     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
499         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
500         int j;
501 
502         object_property_set_int(OBJECT(sbd), "cs-count",
503                                 npcm7xx_fiu[i].cs_count, &error_abort);
504         sysbus_realize(sbd, &error_abort);
505 
506         sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
507         for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
508             sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
509         }
510     }
511 
512     /* RAM2 (SRAM) */
513     memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
514                            NPCM7XX_RAM2_SZ, &error_abort);
515     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
516 
517     /* RAM3 (SRAM) */
518     memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
519                            NPCM7XX_RAM3_SZ, &error_abort);
520     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
521 
522     /* Internal ROM */
523     memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
524                            &error_abort);
525     memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
526 
527     create_unimplemented_device("npcm7xx.shm",          0xc0001000,   4 * KiB);
528     create_unimplemented_device("npcm7xx.vdmx",         0xe0800000,   4 * KiB);
529     create_unimplemented_device("npcm7xx.pcierc",       0xe1000000,  64 * KiB);
530     create_unimplemented_device("npcm7xx.kcs",          0xf0007000,   4 * KiB);
531     create_unimplemented_device("npcm7xx.adc",          0xf000c000,   4 * KiB);
532     create_unimplemented_device("npcm7xx.gfxi",         0xf000e000,   4 * KiB);
533     create_unimplemented_device("npcm7xx.gpio[0]",      0xf0010000,   4 * KiB);
534     create_unimplemented_device("npcm7xx.gpio[1]",      0xf0011000,   4 * KiB);
535     create_unimplemented_device("npcm7xx.gpio[2]",      0xf0012000,   4 * KiB);
536     create_unimplemented_device("npcm7xx.gpio[3]",      0xf0013000,   4 * KiB);
537     create_unimplemented_device("npcm7xx.gpio[4]",      0xf0014000,   4 * KiB);
538     create_unimplemented_device("npcm7xx.gpio[5]",      0xf0015000,   4 * KiB);
539     create_unimplemented_device("npcm7xx.gpio[6]",      0xf0016000,   4 * KiB);
540     create_unimplemented_device("npcm7xx.gpio[7]",      0xf0017000,   4 * KiB);
541     create_unimplemented_device("npcm7xx.smbus[0]",     0xf0080000,   4 * KiB);
542     create_unimplemented_device("npcm7xx.smbus[1]",     0xf0081000,   4 * KiB);
543     create_unimplemented_device("npcm7xx.smbus[2]",     0xf0082000,   4 * KiB);
544     create_unimplemented_device("npcm7xx.smbus[3]",     0xf0083000,   4 * KiB);
545     create_unimplemented_device("npcm7xx.smbus[4]",     0xf0084000,   4 * KiB);
546     create_unimplemented_device("npcm7xx.smbus[5]",     0xf0085000,   4 * KiB);
547     create_unimplemented_device("npcm7xx.smbus[6]",     0xf0086000,   4 * KiB);
548     create_unimplemented_device("npcm7xx.smbus[7]",     0xf0087000,   4 * KiB);
549     create_unimplemented_device("npcm7xx.smbus[8]",     0xf0088000,   4 * KiB);
550     create_unimplemented_device("npcm7xx.smbus[9]",     0xf0089000,   4 * KiB);
551     create_unimplemented_device("npcm7xx.smbus[10]",    0xf008a000,   4 * KiB);
552     create_unimplemented_device("npcm7xx.smbus[11]",    0xf008b000,   4 * KiB);
553     create_unimplemented_device("npcm7xx.smbus[12]",    0xf008c000,   4 * KiB);
554     create_unimplemented_device("npcm7xx.smbus[13]",    0xf008d000,   4 * KiB);
555     create_unimplemented_device("npcm7xx.smbus[14]",    0xf008e000,   4 * KiB);
556     create_unimplemented_device("npcm7xx.smbus[15]",    0xf008f000,   4 * KiB);
557     create_unimplemented_device("npcm7xx.espi",         0xf009f000,   4 * KiB);
558     create_unimplemented_device("npcm7xx.peci",         0xf0100000,   4 * KiB);
559     create_unimplemented_device("npcm7xx.siox[1]",      0xf0101000,   4 * KiB);
560     create_unimplemented_device("npcm7xx.siox[2]",      0xf0102000,   4 * KiB);
561     create_unimplemented_device("npcm7xx.pwm[0]",       0xf0103000,   4 * KiB);
562     create_unimplemented_device("npcm7xx.pwm[1]",       0xf0104000,   4 * KiB);
563     create_unimplemented_device("npcm7xx.mft[0]",       0xf0180000,   4 * KiB);
564     create_unimplemented_device("npcm7xx.mft[1]",       0xf0181000,   4 * KiB);
565     create_unimplemented_device("npcm7xx.mft[2]",       0xf0182000,   4 * KiB);
566     create_unimplemented_device("npcm7xx.mft[3]",       0xf0183000,   4 * KiB);
567     create_unimplemented_device("npcm7xx.mft[4]",       0xf0184000,   4 * KiB);
568     create_unimplemented_device("npcm7xx.mft[5]",       0xf0185000,   4 * KiB);
569     create_unimplemented_device("npcm7xx.mft[6]",       0xf0186000,   4 * KiB);
570     create_unimplemented_device("npcm7xx.mft[7]",       0xf0187000,   4 * KiB);
571     create_unimplemented_device("npcm7xx.pspi1",        0xf0200000,   4 * KiB);
572     create_unimplemented_device("npcm7xx.pspi2",        0xf0201000,   4 * KiB);
573     create_unimplemented_device("npcm7xx.ahbpci",       0xf0400000,   1 * MiB);
574     create_unimplemented_device("npcm7xx.mcphy",        0xf05f0000,  64 * KiB);
575     create_unimplemented_device("npcm7xx.gmac1",        0xf0802000,   8 * KiB);
576     create_unimplemented_device("npcm7xx.gmac2",        0xf0804000,   8 * KiB);
577     create_unimplemented_device("npcm7xx.vcd",          0xf0810000,  64 * KiB);
578     create_unimplemented_device("npcm7xx.ece",          0xf0820000,   8 * KiB);
579     create_unimplemented_device("npcm7xx.vdma",         0xf0822000,   8 * KiB);
580     create_unimplemented_device("npcm7xx.emc1",         0xf0825000,   4 * KiB);
581     create_unimplemented_device("npcm7xx.emc2",         0xf0826000,   4 * KiB);
582     create_unimplemented_device("npcm7xx.usbd[0]",      0xf0830000,   4 * KiB);
583     create_unimplemented_device("npcm7xx.usbd[1]",      0xf0831000,   4 * KiB);
584     create_unimplemented_device("npcm7xx.usbd[2]",      0xf0832000,   4 * KiB);
585     create_unimplemented_device("npcm7xx.usbd[3]",      0xf0833000,   4 * KiB);
586     create_unimplemented_device("npcm7xx.usbd[4]",      0xf0834000,   4 * KiB);
587     create_unimplemented_device("npcm7xx.usbd[5]",      0xf0835000,   4 * KiB);
588     create_unimplemented_device("npcm7xx.usbd[6]",      0xf0836000,   4 * KiB);
589     create_unimplemented_device("npcm7xx.usbd[7]",      0xf0837000,   4 * KiB);
590     create_unimplemented_device("npcm7xx.usbd[8]",      0xf0838000,   4 * KiB);
591     create_unimplemented_device("npcm7xx.usbd[9]",      0xf0839000,   4 * KiB);
592     create_unimplemented_device("npcm7xx.sd",           0xf0840000,   8 * KiB);
593     create_unimplemented_device("npcm7xx.mmc",          0xf0842000,   8 * KiB);
594     create_unimplemented_device("npcm7xx.pcimbx",       0xf0848000, 512 * KiB);
595     create_unimplemented_device("npcm7xx.aes",          0xf0858000,   4 * KiB);
596     create_unimplemented_device("npcm7xx.des",          0xf0859000,   4 * KiB);
597     create_unimplemented_device("npcm7xx.sha",          0xf085a000,   4 * KiB);
598     create_unimplemented_device("npcm7xx.secacc",       0xf085b000,   4 * KiB);
599     create_unimplemented_device("npcm7xx.spixcs0",      0xf8000000,  16 * MiB);
600     create_unimplemented_device("npcm7xx.spixcs1",      0xf9000000,  16 * MiB);
601     create_unimplemented_device("npcm7xx.spix",         0xfb001000,   4 * KiB);
602 }
603 
604 static Property npcm7xx_properties[] = {
605     DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
606                      MemoryRegion *),
607     DEFINE_PROP_END_OF_LIST(),
608 };
609 
610 static void npcm7xx_class_init(ObjectClass *oc, void *data)
611 {
612     DeviceClass *dc = DEVICE_CLASS(oc);
613 
614     dc->realize = npcm7xx_realize;
615     dc->user_creatable = false;
616     device_class_set_props(dc, npcm7xx_properties);
617 }
618 
619 static void npcm730_class_init(ObjectClass *oc, void *data)
620 {
621     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
622 
623     /* NPCM730 is optimized for data center use, so no graphics, etc. */
624     nc->disabled_modules = 0x00300395;
625     nc->num_cpus = 2;
626 }
627 
628 static void npcm750_class_init(ObjectClass *oc, void *data)
629 {
630     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
631 
632     /* NPCM750 has 2 cores and a full set of peripherals */
633     nc->disabled_modules = 0x00000000;
634     nc->num_cpus = 2;
635 }
636 
637 static const TypeInfo npcm7xx_soc_types[] = {
638     {
639         .name           = TYPE_NPCM7XX,
640         .parent         = TYPE_DEVICE,
641         .instance_size  = sizeof(NPCM7xxState),
642         .instance_init  = npcm7xx_init,
643         .class_size     = sizeof(NPCM7xxClass),
644         .class_init     = npcm7xx_class_init,
645         .abstract       = true,
646     }, {
647         .name           = TYPE_NPCM730,
648         .parent         = TYPE_NPCM7XX,
649         .class_init     = npcm730_class_init,
650     }, {
651         .name           = TYPE_NPCM750,
652         .parent         = TYPE_NPCM7XX,
653         .class_init     = npcm750_class_init,
654     },
655 };
656 
657 DEFINE_TYPES(npcm7xx_soc_types);
658