xref: /openbmc/qemu/hw/arm/npcm7xx.c (revision 284d697c)
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-properties.h"
26 #include "qapi/error.h"
27 #include "qemu/units.h"
28 #include "sysemu/sysemu.h"
29 
30 /*
31  * This covers the whole MMIO space. We'll use this to catch any MMIO accesses
32  * that aren't handled by any device.
33  */
34 #define NPCM7XX_MMIO_BA         (0x80000000)
35 #define NPCM7XX_MMIO_SZ         (0x7ffd0000)
36 
37 /* OTP key storage and fuse strap array */
38 #define NPCM7XX_OTP1_BA         (0xf0189000)
39 #define NPCM7XX_OTP2_BA         (0xf018a000)
40 
41 /* Core system modules. */
42 #define NPCM7XX_L2C_BA          (0xf03fc000)
43 #define NPCM7XX_CPUP_BA         (0xf03fe000)
44 #define NPCM7XX_GCR_BA          (0xf0800000)
45 #define NPCM7XX_CLK_BA          (0xf0801000)
46 #define NPCM7XX_MC_BA           (0xf0824000)
47 #define NPCM7XX_RNG_BA          (0xf000b000)
48 
49 /* USB Host modules */
50 #define NPCM7XX_EHCI_BA         (0xf0806000)
51 #define NPCM7XX_OHCI_BA         (0xf0807000)
52 
53 /* Internal AHB SRAM */
54 #define NPCM7XX_RAM3_BA         (0xc0008000)
55 #define NPCM7XX_RAM3_SZ         (4 * KiB)
56 
57 /* Memory blocks at the end of the address space */
58 #define NPCM7XX_RAM2_BA         (0xfffd0000)
59 #define NPCM7XX_RAM2_SZ         (128 * KiB)
60 #define NPCM7XX_ROM_BA          (0xffff0000)
61 #define NPCM7XX_ROM_SZ          (64 * KiB)
62 
63 /* Clock configuration values to be fixed up when bypassing bootloader */
64 
65 /* Run PLL1 at 1600 MHz */
66 #define NPCM7XX_PLLCON1_FIXUP_VAL   (0x00402101)
67 /* Run the CPU from PLL1 and UART from PLL2 */
68 #define NPCM7XX_CLKSEL_FIXUP_VAL    (0x004aaba9)
69 
70 /*
71  * Interrupt lines going into the GIC. This does not include internal Cortex-A9
72  * interrupts.
73  */
74 enum NPCM7xxInterrupt {
75     NPCM7XX_UART0_IRQ           = 2,
76     NPCM7XX_UART1_IRQ,
77     NPCM7XX_UART2_IRQ,
78     NPCM7XX_UART3_IRQ,
79     NPCM7XX_TIMER0_IRQ          = 32,   /* Timer Module 0 */
80     NPCM7XX_TIMER1_IRQ,
81     NPCM7XX_TIMER2_IRQ,
82     NPCM7XX_TIMER3_IRQ,
83     NPCM7XX_TIMER4_IRQ,
84     NPCM7XX_TIMER5_IRQ,                 /* Timer Module 1 */
85     NPCM7XX_TIMER6_IRQ,
86     NPCM7XX_TIMER7_IRQ,
87     NPCM7XX_TIMER8_IRQ,
88     NPCM7XX_TIMER9_IRQ,
89     NPCM7XX_TIMER10_IRQ,                /* Timer Module 2 */
90     NPCM7XX_TIMER11_IRQ,
91     NPCM7XX_TIMER12_IRQ,
92     NPCM7XX_TIMER13_IRQ,
93     NPCM7XX_TIMER14_IRQ,
94     NPCM7XX_WDG0_IRQ            = 47,   /* Timer Module 0 Watchdog */
95     NPCM7XX_WDG1_IRQ,                   /* Timer Module 1 Watchdog */
96     NPCM7XX_WDG2_IRQ,                   /* Timer Module 2 Watchdog */
97     NPCM7XX_EHCI_IRQ            = 61,
98     NPCM7XX_OHCI_IRQ            = 62,
99     NPCM7XX_GPIO0_IRQ           = 116,
100     NPCM7XX_GPIO1_IRQ,
101     NPCM7XX_GPIO2_IRQ,
102     NPCM7XX_GPIO3_IRQ,
103     NPCM7XX_GPIO4_IRQ,
104     NPCM7XX_GPIO5_IRQ,
105     NPCM7XX_GPIO6_IRQ,
106     NPCM7XX_GPIO7_IRQ,
107 };
108 
109 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
110 #define NPCM7XX_NUM_IRQ         (160)
111 
112 /* Register base address for each Timer Module */
113 static const hwaddr npcm7xx_tim_addr[] = {
114     0xf0008000,
115     0xf0009000,
116     0xf000a000,
117 };
118 
119 /* Register base address for each 16550 UART */
120 static const hwaddr npcm7xx_uart_addr[] = {
121     0xf0001000,
122     0xf0002000,
123     0xf0003000,
124     0xf0004000,
125 };
126 
127 /* Direct memory-mapped access to SPI0 CS0-1. */
128 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
129     0x80000000, /* CS0 */
130     0x88000000, /* CS1 */
131 };
132 
133 /* Direct memory-mapped access to SPI3 CS0-3. */
134 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
135     0xa0000000, /* CS0 */
136     0xa8000000, /* CS1 */
137     0xb0000000, /* CS2 */
138     0xb8000000, /* CS3 */
139 };
140 
141 static const struct {
142     hwaddr regs_addr;
143     uint32_t unconnected_pins;
144     uint32_t reset_pu;
145     uint32_t reset_pd;
146     uint32_t reset_osrc;
147     uint32_t reset_odsc;
148 } npcm7xx_gpio[] = {
149     {
150         .regs_addr = 0xf0010000,
151         .reset_pu = 0xff03ffff,
152         .reset_pd = 0x00fc0000,
153     }, {
154         .regs_addr = 0xf0011000,
155         .unconnected_pins = 0x0000001e,
156         .reset_pu = 0xfefffe07,
157         .reset_pd = 0x010001e0,
158     }, {
159         .regs_addr = 0xf0012000,
160         .reset_pu = 0x780fffff,
161         .reset_pd = 0x07f00000,
162         .reset_odsc = 0x00700000,
163     }, {
164         .regs_addr = 0xf0013000,
165         .reset_pu = 0x00fc0000,
166         .reset_pd = 0xff000000,
167     }, {
168         .regs_addr = 0xf0014000,
169         .reset_pu = 0xffffffff,
170     }, {
171         .regs_addr = 0xf0015000,
172         .reset_pu = 0xbf83f801,
173         .reset_pd = 0x007c0000,
174         .reset_osrc = 0x000000f1,
175         .reset_odsc = 0x3f9f80f1,
176     }, {
177         .regs_addr = 0xf0016000,
178         .reset_pu = 0xfc00f801,
179         .reset_pd = 0x000007fe,
180         .reset_odsc = 0x00000800,
181     }, {
182         .regs_addr = 0xf0017000,
183         .unconnected_pins = 0xffffff00,
184         .reset_pu = 0x0000007f,
185         .reset_osrc = 0x0000007f,
186         .reset_odsc = 0x0000007f,
187     },
188 };
189 
190 static const struct {
191     const char *name;
192     hwaddr regs_addr;
193     int cs_count;
194     const hwaddr *flash_addr;
195 } npcm7xx_fiu[] = {
196     {
197         .name = "fiu0",
198         .regs_addr = 0xfb000000,
199         .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
200         .flash_addr = npcm7xx_fiu0_flash_addr,
201     }, {
202         .name = "fiu3",
203         .regs_addr = 0xc0000000,
204         .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
205         .flash_addr = npcm7xx_fiu3_flash_addr,
206     },
207 };
208 
209 static void npcm7xx_write_board_setup(ARMCPU *cpu,
210                                       const struct arm_boot_info *info)
211 {
212     uint32_t board_setup[] = {
213         0xe59f0010,     /* ldr r0, clk_base_addr */
214         0xe59f1010,     /* ldr r1, pllcon1_value */
215         0xe5801010,     /* str r1, [r0, #16] */
216         0xe59f100c,     /* ldr r1, clksel_value */
217         0xe5801004,     /* str r1, [r0, #4] */
218         0xe12fff1e,     /* bx lr */
219         NPCM7XX_CLK_BA,
220         NPCM7XX_PLLCON1_FIXUP_VAL,
221         NPCM7XX_CLKSEL_FIXUP_VAL,
222     };
223     int i;
224 
225     for (i = 0; i < ARRAY_SIZE(board_setup); i++) {
226         board_setup[i] = tswap32(board_setup[i]);
227     }
228     rom_add_blob_fixed("board-setup", board_setup, sizeof(board_setup),
229                        info->board_setup_addr);
230 }
231 
232 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
233                                          const struct arm_boot_info *info)
234 {
235     /*
236      * The default smpboot stub halts the secondary CPU with a 'wfi'
237      * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
238      * does not send an IPI to wake it up, so the second CPU fails to boot. So
239      * we need to provide our own smpboot stub that can not use 'wfi', it has
240      * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
241      */
242     uint32_t smpboot[] = {
243         0xe59f2018,     /* ldr r2, bootreg_addr */
244         0xe3a00000,     /* mov r0, #0 */
245         0xe5820000,     /* str r0, [r2] */
246         0xe320f002,     /* wfe */
247         0xe5921000,     /* ldr r1, [r2] */
248         0xe1110001,     /* tst r1, r1 */
249         0x0afffffb,     /* beq <wfe> */
250         0xe12fff11,     /* bx r1 */
251         NPCM7XX_SMP_BOOTREG_ADDR,
252     };
253     int i;
254 
255     for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
256         smpboot[i] = tswap32(smpboot[i]);
257     }
258 
259     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
260                        NPCM7XX_SMP_LOADER_START);
261 }
262 
263 static struct arm_boot_info npcm7xx_binfo = {
264     .loader_start           = NPCM7XX_LOADER_START,
265     .smp_loader_start       = NPCM7XX_SMP_LOADER_START,
266     .smp_bootreg_addr       = NPCM7XX_SMP_BOOTREG_ADDR,
267     .gic_cpu_if_addr        = NPCM7XX_GIC_CPU_IF_ADDR,
268     .write_secondary_boot   = npcm7xx_write_secondary_boot,
269     .board_id               = -1,
270     .board_setup_addr       = NPCM7XX_BOARD_SETUP_ADDR,
271     .write_board_setup      = npcm7xx_write_board_setup,
272 };
273 
274 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
275 {
276     NPCM7xxClass *sc = NPCM7XX_GET_CLASS(soc);
277 
278     npcm7xx_binfo.ram_size = machine->ram_size;
279     npcm7xx_binfo.nb_cpus = sc->num_cpus;
280 
281     arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
282 }
283 
284 static void npcm7xx_init_fuses(NPCM7xxState *s)
285 {
286     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
287     uint32_t value;
288 
289     /*
290      * The initial mask of disabled modules indicates the chip derivative (e.g.
291      * NPCM750 or NPCM730).
292      */
293     value = tswap32(nc->disabled_modules);
294     npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
295                             sizeof(value));
296 }
297 
298 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
299 {
300     return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
301 }
302 
303 static void npcm7xx_init(Object *obj)
304 {
305     NPCM7xxState *s = NPCM7XX(obj);
306     int i;
307 
308     for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
309         object_initialize_child(obj, "cpu[*]", &s->cpu[i],
310                                 ARM_CPU_TYPE_NAME("cortex-a9"));
311     }
312 
313     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
314     object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
315     object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
316                               "power-on-straps");
317     object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
318     object_initialize_child(obj, "otp1", &s->key_storage,
319                             TYPE_NPCM7XX_KEY_STORAGE);
320     object_initialize_child(obj, "otp2", &s->fuse_array,
321                             TYPE_NPCM7XX_FUSE_ARRAY);
322     object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
323     object_initialize_child(obj, "rng", &s->rng, TYPE_NPCM7XX_RNG);
324 
325     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
326         object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
327     }
328 
329     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
330         object_initialize_child(obj, "gpio[*]", &s->gpio[i], TYPE_NPCM7XX_GPIO);
331     }
332 
333     object_initialize_child(obj, "ehci", &s->ehci, TYPE_NPCM7XX_EHCI);
334     object_initialize_child(obj, "ohci", &s->ohci, TYPE_SYSBUS_OHCI);
335 
336     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
337     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
338         object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
339                                 TYPE_NPCM7XX_FIU);
340     }
341 }
342 
343 static void npcm7xx_realize(DeviceState *dev, Error **errp)
344 {
345     NPCM7xxState *s = NPCM7XX(dev);
346     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
347     int i;
348 
349     if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
350         error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
351                    " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
352         return;
353     }
354 
355     /* CPUs */
356     for (i = 0; i < nc->num_cpus; i++) {
357         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
358                                 arm_cpu_mp_affinity(i, NPCM7XX_MAX_NUM_CPUS),
359                                 &error_abort);
360         object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
361                                 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
362         object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
363                                  &error_abort);
364 
365         /* Disable security extensions. */
366         object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
367                                  &error_abort);
368 
369         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
370             return;
371         }
372     }
373 
374     /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
375     object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
376                             &error_abort);
377     object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
378                             &error_abort);
379     sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
380     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
381 
382     for (i = 0; i < nc->num_cpus; i++) {
383         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
384                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
385         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
386                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
387     }
388 
389     /* L2 cache controller */
390     sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
391 
392     /* System Global Control Registers (GCR). Can fail due to user input. */
393     object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
394                             nc->disabled_modules, &error_abort);
395     object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
396     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
397         return;
398     }
399     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
400 
401     /* Clock Control Registers (CLK). Cannot fail. */
402     sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
403     sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
404 
405     /* OTP key storage and fuse strap array. Cannot fail. */
406     sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
407     sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
408     sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
409     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
410     npcm7xx_init_fuses(s);
411 
412     /* Fake Memory Controller (MC). Cannot fail. */
413     sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
414     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
415 
416     /* Timer Modules (TIM). Cannot fail. */
417     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
418     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
419         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
420         int first_irq;
421         int j;
422 
423         sysbus_realize(sbd, &error_abort);
424         sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
425 
426         first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
427         for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
428             qemu_irq irq = npcm7xx_irq(s, first_irq + j);
429             sysbus_connect_irq(sbd, j, irq);
430         }
431 
432         /* IRQ for watchdogs */
433         sysbus_connect_irq(sbd, NPCM7XX_TIMERS_PER_CTRL,
434                 npcm7xx_irq(s, NPCM7XX_WDG0_IRQ + i));
435         /* GPIO that connects clk module with watchdog */
436         qdev_connect_gpio_out_named(DEVICE(&s->tim[i]),
437                 NPCM7XX_WATCHDOG_RESET_GPIO_OUT, 0,
438                 qdev_get_gpio_in_named(DEVICE(&s->clk),
439                         NPCM7XX_WATCHDOG_RESET_GPIO_IN, i));
440     }
441 
442     /* UART0..3 (16550 compatible) */
443     for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
444         serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
445                        npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
446                        serial_hd(i), DEVICE_LITTLE_ENDIAN);
447     }
448 
449     /* Random Number Generator. Cannot fail. */
450     sysbus_realize(SYS_BUS_DEVICE(&s->rng), &error_abort);
451     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rng), 0, NPCM7XX_RNG_BA);
452 
453     /* GPIO modules. Cannot fail. */
454     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_gpio) != ARRAY_SIZE(s->gpio));
455     for (i = 0; i < ARRAY_SIZE(s->gpio); i++) {
456         Object *obj = OBJECT(&s->gpio[i]);
457 
458         object_property_set_uint(obj, "reset-pullup",
459                                  npcm7xx_gpio[i].reset_pu, &error_abort);
460         object_property_set_uint(obj, "reset-pulldown",
461                                  npcm7xx_gpio[i].reset_pd, &error_abort);
462         object_property_set_uint(obj, "reset-osrc",
463                                  npcm7xx_gpio[i].reset_osrc, &error_abort);
464         object_property_set_uint(obj, "reset-odsc",
465                                  npcm7xx_gpio[i].reset_odsc, &error_abort);
466         sysbus_realize(SYS_BUS_DEVICE(obj), &error_abort);
467         sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, npcm7xx_gpio[i].regs_addr);
468         sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0,
469                            npcm7xx_irq(s, NPCM7XX_GPIO0_IRQ + i));
470     }
471 
472     /* USB Host */
473     object_property_set_bool(OBJECT(&s->ehci), "companion-enable", true,
474                              &error_abort);
475     sysbus_realize(SYS_BUS_DEVICE(&s->ehci), &error_abort);
476     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci), 0, NPCM7XX_EHCI_BA);
477     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci), 0,
478                        npcm7xx_irq(s, NPCM7XX_EHCI_IRQ));
479 
480     object_property_set_str(OBJECT(&s->ohci), "masterbus", "usb-bus.0",
481                             &error_abort);
482     object_property_set_uint(OBJECT(&s->ohci), "num-ports", 1, &error_abort);
483     sysbus_realize(SYS_BUS_DEVICE(&s->ohci), &error_abort);
484     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ohci), 0, NPCM7XX_OHCI_BA);
485     sysbus_connect_irq(SYS_BUS_DEVICE(&s->ohci), 0,
486                        npcm7xx_irq(s, NPCM7XX_OHCI_IRQ));
487 
488     /*
489      * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
490      * specified, but this is a programming error.
491      */
492     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
493     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
494         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
495         int j;
496 
497         object_property_set_int(OBJECT(sbd), "cs-count",
498                                 npcm7xx_fiu[i].cs_count, &error_abort);
499         sysbus_realize(sbd, &error_abort);
500 
501         sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
502         for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
503             sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
504         }
505     }
506 
507     /* RAM2 (SRAM) */
508     memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
509                            NPCM7XX_RAM2_SZ, &error_abort);
510     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
511 
512     /* RAM3 (SRAM) */
513     memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
514                            NPCM7XX_RAM3_SZ, &error_abort);
515     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
516 
517     /* Internal ROM */
518     memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
519                            &error_abort);
520     memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
521 
522     create_unimplemented_device("npcm7xx.shm",          0xc0001000,   4 * KiB);
523     create_unimplemented_device("npcm7xx.vdmx",         0xe0800000,   4 * KiB);
524     create_unimplemented_device("npcm7xx.pcierc",       0xe1000000,  64 * KiB);
525     create_unimplemented_device("npcm7xx.kcs",          0xf0007000,   4 * KiB);
526     create_unimplemented_device("npcm7xx.adc",          0xf000c000,   4 * KiB);
527     create_unimplemented_device("npcm7xx.gfxi",         0xf000e000,   4 * KiB);
528     create_unimplemented_device("npcm7xx.gpio[0]",      0xf0010000,   4 * KiB);
529     create_unimplemented_device("npcm7xx.gpio[1]",      0xf0011000,   4 * KiB);
530     create_unimplemented_device("npcm7xx.gpio[2]",      0xf0012000,   4 * KiB);
531     create_unimplemented_device("npcm7xx.gpio[3]",      0xf0013000,   4 * KiB);
532     create_unimplemented_device("npcm7xx.gpio[4]",      0xf0014000,   4 * KiB);
533     create_unimplemented_device("npcm7xx.gpio[5]",      0xf0015000,   4 * KiB);
534     create_unimplemented_device("npcm7xx.gpio[6]",      0xf0016000,   4 * KiB);
535     create_unimplemented_device("npcm7xx.gpio[7]",      0xf0017000,   4 * KiB);
536     create_unimplemented_device("npcm7xx.smbus[0]",     0xf0080000,   4 * KiB);
537     create_unimplemented_device("npcm7xx.smbus[1]",     0xf0081000,   4 * KiB);
538     create_unimplemented_device("npcm7xx.smbus[2]",     0xf0082000,   4 * KiB);
539     create_unimplemented_device("npcm7xx.smbus[3]",     0xf0083000,   4 * KiB);
540     create_unimplemented_device("npcm7xx.smbus[4]",     0xf0084000,   4 * KiB);
541     create_unimplemented_device("npcm7xx.smbus[5]",     0xf0085000,   4 * KiB);
542     create_unimplemented_device("npcm7xx.smbus[6]",     0xf0086000,   4 * KiB);
543     create_unimplemented_device("npcm7xx.smbus[7]",     0xf0087000,   4 * KiB);
544     create_unimplemented_device("npcm7xx.smbus[8]",     0xf0088000,   4 * KiB);
545     create_unimplemented_device("npcm7xx.smbus[9]",     0xf0089000,   4 * KiB);
546     create_unimplemented_device("npcm7xx.smbus[10]",    0xf008a000,   4 * KiB);
547     create_unimplemented_device("npcm7xx.smbus[11]",    0xf008b000,   4 * KiB);
548     create_unimplemented_device("npcm7xx.smbus[12]",    0xf008c000,   4 * KiB);
549     create_unimplemented_device("npcm7xx.smbus[13]",    0xf008d000,   4 * KiB);
550     create_unimplemented_device("npcm7xx.smbus[14]",    0xf008e000,   4 * KiB);
551     create_unimplemented_device("npcm7xx.smbus[15]",    0xf008f000,   4 * KiB);
552     create_unimplemented_device("npcm7xx.espi",         0xf009f000,   4 * KiB);
553     create_unimplemented_device("npcm7xx.peci",         0xf0100000,   4 * KiB);
554     create_unimplemented_device("npcm7xx.siox[1]",      0xf0101000,   4 * KiB);
555     create_unimplemented_device("npcm7xx.siox[2]",      0xf0102000,   4 * KiB);
556     create_unimplemented_device("npcm7xx.pwm[0]",       0xf0103000,   4 * KiB);
557     create_unimplemented_device("npcm7xx.pwm[1]",       0xf0104000,   4 * KiB);
558     create_unimplemented_device("npcm7xx.mft[0]",       0xf0180000,   4 * KiB);
559     create_unimplemented_device("npcm7xx.mft[1]",       0xf0181000,   4 * KiB);
560     create_unimplemented_device("npcm7xx.mft[2]",       0xf0182000,   4 * KiB);
561     create_unimplemented_device("npcm7xx.mft[3]",       0xf0183000,   4 * KiB);
562     create_unimplemented_device("npcm7xx.mft[4]",       0xf0184000,   4 * KiB);
563     create_unimplemented_device("npcm7xx.mft[5]",       0xf0185000,   4 * KiB);
564     create_unimplemented_device("npcm7xx.mft[6]",       0xf0186000,   4 * KiB);
565     create_unimplemented_device("npcm7xx.mft[7]",       0xf0187000,   4 * KiB);
566     create_unimplemented_device("npcm7xx.pspi1",        0xf0200000,   4 * KiB);
567     create_unimplemented_device("npcm7xx.pspi2",        0xf0201000,   4 * KiB);
568     create_unimplemented_device("npcm7xx.ahbpci",       0xf0400000,   1 * MiB);
569     create_unimplemented_device("npcm7xx.mcphy",        0xf05f0000,  64 * KiB);
570     create_unimplemented_device("npcm7xx.gmac1",        0xf0802000,   8 * KiB);
571     create_unimplemented_device("npcm7xx.gmac2",        0xf0804000,   8 * KiB);
572     create_unimplemented_device("npcm7xx.vcd",          0xf0810000,  64 * KiB);
573     create_unimplemented_device("npcm7xx.ece",          0xf0820000,   8 * KiB);
574     create_unimplemented_device("npcm7xx.vdma",         0xf0822000,   8 * KiB);
575     create_unimplemented_device("npcm7xx.emc1",         0xf0825000,   4 * KiB);
576     create_unimplemented_device("npcm7xx.emc2",         0xf0826000,   4 * KiB);
577     create_unimplemented_device("npcm7xx.usbd[0]",      0xf0830000,   4 * KiB);
578     create_unimplemented_device("npcm7xx.usbd[1]",      0xf0831000,   4 * KiB);
579     create_unimplemented_device("npcm7xx.usbd[2]",      0xf0832000,   4 * KiB);
580     create_unimplemented_device("npcm7xx.usbd[3]",      0xf0833000,   4 * KiB);
581     create_unimplemented_device("npcm7xx.usbd[4]",      0xf0834000,   4 * KiB);
582     create_unimplemented_device("npcm7xx.usbd[5]",      0xf0835000,   4 * KiB);
583     create_unimplemented_device("npcm7xx.usbd[6]",      0xf0836000,   4 * KiB);
584     create_unimplemented_device("npcm7xx.usbd[7]",      0xf0837000,   4 * KiB);
585     create_unimplemented_device("npcm7xx.usbd[8]",      0xf0838000,   4 * KiB);
586     create_unimplemented_device("npcm7xx.usbd[9]",      0xf0839000,   4 * KiB);
587     create_unimplemented_device("npcm7xx.sd",           0xf0840000,   8 * KiB);
588     create_unimplemented_device("npcm7xx.mmc",          0xf0842000,   8 * KiB);
589     create_unimplemented_device("npcm7xx.pcimbx",       0xf0848000, 512 * KiB);
590     create_unimplemented_device("npcm7xx.aes",          0xf0858000,   4 * KiB);
591     create_unimplemented_device("npcm7xx.des",          0xf0859000,   4 * KiB);
592     create_unimplemented_device("npcm7xx.sha",          0xf085a000,   4 * KiB);
593     create_unimplemented_device("npcm7xx.secacc",       0xf085b000,   4 * KiB);
594     create_unimplemented_device("npcm7xx.spixcs0",      0xf8000000,  16 * MiB);
595     create_unimplemented_device("npcm7xx.spixcs1",      0xf9000000,  16 * MiB);
596     create_unimplemented_device("npcm7xx.spix",         0xfb001000,   4 * KiB);
597 }
598 
599 static Property npcm7xx_properties[] = {
600     DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
601                      MemoryRegion *),
602     DEFINE_PROP_END_OF_LIST(),
603 };
604 
605 static void npcm7xx_class_init(ObjectClass *oc, void *data)
606 {
607     DeviceClass *dc = DEVICE_CLASS(oc);
608 
609     dc->realize = npcm7xx_realize;
610     dc->user_creatable = false;
611     device_class_set_props(dc, npcm7xx_properties);
612 }
613 
614 static void npcm730_class_init(ObjectClass *oc, void *data)
615 {
616     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
617 
618     /* NPCM730 is optimized for data center use, so no graphics, etc. */
619     nc->disabled_modules = 0x00300395;
620     nc->num_cpus = 2;
621 }
622 
623 static void npcm750_class_init(ObjectClass *oc, void *data)
624 {
625     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
626 
627     /* NPCM750 has 2 cores and a full set of peripherals */
628     nc->disabled_modules = 0x00000000;
629     nc->num_cpus = 2;
630 }
631 
632 static const TypeInfo npcm7xx_soc_types[] = {
633     {
634         .name           = TYPE_NPCM7XX,
635         .parent         = TYPE_DEVICE,
636         .instance_size  = sizeof(NPCM7xxState),
637         .instance_init  = npcm7xx_init,
638         .class_size     = sizeof(NPCM7xxClass),
639         .class_init     = npcm7xx_class_init,
640         .abstract       = true,
641     }, {
642         .name           = TYPE_NPCM730,
643         .parent         = TYPE_NPCM7XX,
644         .class_init     = npcm730_class_init,
645     }, {
646         .name           = TYPE_NPCM750,
647         .parent         = TYPE_NPCM7XX,
648         .class_init     = npcm750_class_init,
649     },
650 };
651 
652 DEFINE_TYPES(npcm7xx_soc_types);
653