xref: /openbmc/qemu/hw/arm/npcm7xx.c (revision b821242c)
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 
48 /* Internal AHB SRAM */
49 #define NPCM7XX_RAM3_BA         (0xc0008000)
50 #define NPCM7XX_RAM3_SZ         (4 * KiB)
51 
52 /* Memory blocks at the end of the address space */
53 #define NPCM7XX_RAM2_BA         (0xfffd0000)
54 #define NPCM7XX_RAM2_SZ         (128 * KiB)
55 #define NPCM7XX_ROM_BA          (0xffff0000)
56 #define NPCM7XX_ROM_SZ          (64 * KiB)
57 
58 /*
59  * Interrupt lines going into the GIC. This does not include internal Cortex-A9
60  * interrupts.
61  */
62 enum NPCM7xxInterrupt {
63     NPCM7XX_UART0_IRQ           = 2,
64     NPCM7XX_UART1_IRQ,
65     NPCM7XX_UART2_IRQ,
66     NPCM7XX_UART3_IRQ,
67     NPCM7XX_TIMER0_IRQ          = 32,   /* Timer Module 0 */
68     NPCM7XX_TIMER1_IRQ,
69     NPCM7XX_TIMER2_IRQ,
70     NPCM7XX_TIMER3_IRQ,
71     NPCM7XX_TIMER4_IRQ,
72     NPCM7XX_TIMER5_IRQ,                 /* Timer Module 1 */
73     NPCM7XX_TIMER6_IRQ,
74     NPCM7XX_TIMER7_IRQ,
75     NPCM7XX_TIMER8_IRQ,
76     NPCM7XX_TIMER9_IRQ,
77     NPCM7XX_TIMER10_IRQ,                /* Timer Module 2 */
78     NPCM7XX_TIMER11_IRQ,
79     NPCM7XX_TIMER12_IRQ,
80     NPCM7XX_TIMER13_IRQ,
81     NPCM7XX_TIMER14_IRQ,
82 };
83 
84 /* Total number of GIC interrupts, including internal Cortex-A9 interrupts. */
85 #define NPCM7XX_NUM_IRQ         (160)
86 
87 /* Register base address for each Timer Module */
88 static const hwaddr npcm7xx_tim_addr[] = {
89     0xf0008000,
90     0xf0009000,
91     0xf000a000,
92 };
93 
94 /* Register base address for each 16550 UART */
95 static const hwaddr npcm7xx_uart_addr[] = {
96     0xf0001000,
97     0xf0002000,
98     0xf0003000,
99     0xf0004000,
100 };
101 
102 /* Direct memory-mapped access to SPI0 CS0-1. */
103 static const hwaddr npcm7xx_fiu0_flash_addr[] = {
104     0x80000000, /* CS0 */
105     0x88000000, /* CS1 */
106 };
107 
108 /* Direct memory-mapped access to SPI3 CS0-3. */
109 static const hwaddr npcm7xx_fiu3_flash_addr[] = {
110     0xa0000000, /* CS0 */
111     0xa8000000, /* CS1 */
112     0xb0000000, /* CS2 */
113     0xb8000000, /* CS3 */
114 };
115 
116 static const struct {
117     const char *name;
118     hwaddr regs_addr;
119     int cs_count;
120     const hwaddr *flash_addr;
121 } npcm7xx_fiu[] = {
122     {
123         .name = "fiu0",
124         .regs_addr = 0xfb000000,
125         .cs_count = ARRAY_SIZE(npcm7xx_fiu0_flash_addr),
126         .flash_addr = npcm7xx_fiu0_flash_addr,
127     }, {
128         .name = "fiu3",
129         .regs_addr = 0xc0000000,
130         .cs_count = ARRAY_SIZE(npcm7xx_fiu3_flash_addr),
131         .flash_addr = npcm7xx_fiu3_flash_addr,
132     },
133 };
134 
135 static void npcm7xx_write_secondary_boot(ARMCPU *cpu,
136                                          const struct arm_boot_info *info)
137 {
138     /*
139      * The default smpboot stub halts the secondary CPU with a 'wfi'
140      * instruction, but the arch/arm/mach-npcm/platsmp.c in the Linux kernel
141      * does not send an IPI to wake it up, so the second CPU fails to boot. So
142      * we need to provide our own smpboot stub that can not use 'wfi', it has
143      * to spin the secondary CPU until the first CPU writes to the SCRPAD reg.
144      */
145     uint32_t smpboot[] = {
146         0xe59f2018,     /* ldr r2, bootreg_addr */
147         0xe3a00000,     /* mov r0, #0 */
148         0xe5820000,     /* str r0, [r2] */
149         0xe320f002,     /* wfe */
150         0xe5921000,     /* ldr r1, [r2] */
151         0xe1110001,     /* tst r1, r1 */
152         0x0afffffb,     /* beq <wfe> */
153         0xe12fff11,     /* bx r1 */
154         NPCM7XX_SMP_BOOTREG_ADDR,
155     };
156     int i;
157 
158     for (i = 0; i < ARRAY_SIZE(smpboot); i++) {
159         smpboot[i] = tswap32(smpboot[i]);
160     }
161 
162     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
163                        NPCM7XX_SMP_LOADER_START);
164 }
165 
166 static struct arm_boot_info npcm7xx_binfo = {
167     .loader_start           = NPCM7XX_LOADER_START,
168     .smp_loader_start       = NPCM7XX_SMP_LOADER_START,
169     .smp_bootreg_addr       = NPCM7XX_SMP_BOOTREG_ADDR,
170     .gic_cpu_if_addr        = NPCM7XX_GIC_CPU_IF_ADDR,
171     .write_secondary_boot   = npcm7xx_write_secondary_boot,
172     .board_id               = -1,
173 };
174 
175 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc)
176 {
177     NPCM7xxClass *sc = NPCM7XX_GET_CLASS(soc);
178 
179     npcm7xx_binfo.ram_size = machine->ram_size;
180     npcm7xx_binfo.nb_cpus = sc->num_cpus;
181 
182     arm_load_kernel(&soc->cpu[0], machine, &npcm7xx_binfo);
183 }
184 
185 static void npcm7xx_init_fuses(NPCM7xxState *s)
186 {
187     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
188     uint32_t value;
189 
190     /*
191      * The initial mask of disabled modules indicates the chip derivative (e.g.
192      * NPCM750 or NPCM730).
193      */
194     value = tswap32(nc->disabled_modules);
195     npcm7xx_otp_array_write(&s->fuse_array, &value, NPCM7XX_FUSE_DERIVATIVE,
196                             sizeof(value));
197 }
198 
199 static qemu_irq npcm7xx_irq(NPCM7xxState *s, int n)
200 {
201     return qdev_get_gpio_in(DEVICE(&s->a9mpcore), n);
202 }
203 
204 static void npcm7xx_init(Object *obj)
205 {
206     NPCM7xxState *s = NPCM7XX(obj);
207     int i;
208 
209     for (i = 0; i < NPCM7XX_MAX_NUM_CPUS; i++) {
210         object_initialize_child(obj, "cpu[*]", &s->cpu[i],
211                                 ARM_CPU_TYPE_NAME("cortex-a9"));
212     }
213 
214     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
215     object_initialize_child(obj, "gcr", &s->gcr, TYPE_NPCM7XX_GCR);
216     object_property_add_alias(obj, "power-on-straps", OBJECT(&s->gcr),
217                               "power-on-straps");
218     object_initialize_child(obj, "clk", &s->clk, TYPE_NPCM7XX_CLK);
219     object_initialize_child(obj, "otp1", &s->key_storage,
220                             TYPE_NPCM7XX_KEY_STORAGE);
221     object_initialize_child(obj, "otp2", &s->fuse_array,
222                             TYPE_NPCM7XX_FUSE_ARRAY);
223     object_initialize_child(obj, "mc", &s->mc, TYPE_NPCM7XX_MC);
224 
225     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
226         object_initialize_child(obj, "tim[*]", &s->tim[i], TYPE_NPCM7XX_TIMER);
227     }
228 
229     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_fiu) != ARRAY_SIZE(s->fiu));
230     for (i = 0; i < ARRAY_SIZE(s->fiu); i++) {
231         object_initialize_child(obj, npcm7xx_fiu[i].name, &s->fiu[i],
232                                 TYPE_NPCM7XX_FIU);
233     }
234 }
235 
236 static void npcm7xx_realize(DeviceState *dev, Error **errp)
237 {
238     NPCM7xxState *s = NPCM7XX(dev);
239     NPCM7xxClass *nc = NPCM7XX_GET_CLASS(s);
240     int i;
241 
242     if (memory_region_size(s->dram) > NPCM7XX_DRAM_SZ) {
243         error_setg(errp, "%s: NPCM7xx cannot address more than %" PRIu64
244                    " MiB of DRAM", __func__, NPCM7XX_DRAM_SZ / MiB);
245         return;
246     }
247 
248     /* CPUs */
249     for (i = 0; i < nc->num_cpus; i++) {
250         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
251                                 arm_cpu_mp_affinity(i, NPCM7XX_MAX_NUM_CPUS),
252                                 &error_abort);
253         object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
254                                 NPCM7XX_GIC_CPU_IF_ADDR, &error_abort);
255         object_property_set_bool(OBJECT(&s->cpu[i]), "reset-hivecs", true,
256                                  &error_abort);
257 
258         /* Disable security extensions. */
259         object_property_set_bool(OBJECT(&s->cpu[i]), "has_el3", false,
260                                  &error_abort);
261 
262         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
263             return;
264         }
265     }
266 
267     /* A9MPCORE peripherals. Can only fail if we pass bad parameters here. */
268     object_property_set_int(OBJECT(&s->a9mpcore), "num-cpu", nc->num_cpus,
269                             &error_abort);
270     object_property_set_int(OBJECT(&s->a9mpcore), "num-irq", NPCM7XX_NUM_IRQ,
271                             &error_abort);
272     sysbus_realize(SYS_BUS_DEVICE(&s->a9mpcore), &error_abort);
273     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, NPCM7XX_CPUP_BA);
274 
275     for (i = 0; i < nc->num_cpus; i++) {
276         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
277                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
278         sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + nc->num_cpus,
279                            qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
280     }
281 
282     /* L2 cache controller */
283     sysbus_create_simple("l2x0", NPCM7XX_L2C_BA, NULL);
284 
285     /* System Global Control Registers (GCR). Can fail due to user input. */
286     object_property_set_int(OBJECT(&s->gcr), "disabled-modules",
287                             nc->disabled_modules, &error_abort);
288     object_property_add_const_link(OBJECT(&s->gcr), "dram-mr", OBJECT(s->dram));
289     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gcr), errp)) {
290         return;
291     }
292     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gcr), 0, NPCM7XX_GCR_BA);
293 
294     /* Clock Control Registers (CLK). Cannot fail. */
295     sysbus_realize(SYS_BUS_DEVICE(&s->clk), &error_abort);
296     sysbus_mmio_map(SYS_BUS_DEVICE(&s->clk), 0, NPCM7XX_CLK_BA);
297 
298     /* OTP key storage and fuse strap array. Cannot fail. */
299     sysbus_realize(SYS_BUS_DEVICE(&s->key_storage), &error_abort);
300     sysbus_mmio_map(SYS_BUS_DEVICE(&s->key_storage), 0, NPCM7XX_OTP1_BA);
301     sysbus_realize(SYS_BUS_DEVICE(&s->fuse_array), &error_abort);
302     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fuse_array), 0, NPCM7XX_OTP2_BA);
303     npcm7xx_init_fuses(s);
304 
305     /* Fake Memory Controller (MC). Cannot fail. */
306     sysbus_realize(SYS_BUS_DEVICE(&s->mc), &error_abort);
307     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mc), 0, NPCM7XX_MC_BA);
308 
309     /* Timer Modules (TIM). Cannot fail. */
310     QEMU_BUILD_BUG_ON(ARRAY_SIZE(npcm7xx_tim_addr) != ARRAY_SIZE(s->tim));
311     for (i = 0; i < ARRAY_SIZE(s->tim); i++) {
312         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->tim[i]);
313         int first_irq;
314         int j;
315 
316         sysbus_realize(sbd, &error_abort);
317         sysbus_mmio_map(sbd, 0, npcm7xx_tim_addr[i]);
318 
319         first_irq = NPCM7XX_TIMER0_IRQ + i * NPCM7XX_TIMERS_PER_CTRL;
320         for (j = 0; j < NPCM7XX_TIMERS_PER_CTRL; j++) {
321             qemu_irq irq = npcm7xx_irq(s, first_irq + j);
322             sysbus_connect_irq(sbd, j, irq);
323         }
324     }
325 
326     /* UART0..3 (16550 compatible) */
327     for (i = 0; i < ARRAY_SIZE(npcm7xx_uart_addr); i++) {
328         serial_mm_init(get_system_memory(), npcm7xx_uart_addr[i], 2,
329                        npcm7xx_irq(s, NPCM7XX_UART0_IRQ + i), 115200,
330                        serial_hd(i), DEVICE_LITTLE_ENDIAN);
331     }
332 
333     /*
334      * Flash Interface Unit (FIU). Can fail if incorrect number of chip selects
335      * specified, but this is a programming error.
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         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->fiu[i]);
340         int j;
341 
342         object_property_set_int(OBJECT(sbd), "cs-count",
343                                 npcm7xx_fiu[i].cs_count, &error_abort);
344         sysbus_realize(sbd, &error_abort);
345 
346         sysbus_mmio_map(sbd, 0, npcm7xx_fiu[i].regs_addr);
347         for (j = 0; j < npcm7xx_fiu[i].cs_count; j++) {
348             sysbus_mmio_map(sbd, j + 1, npcm7xx_fiu[i].flash_addr[j]);
349         }
350     }
351 
352     /* RAM2 (SRAM) */
353     memory_region_init_ram(&s->sram, OBJECT(dev), "ram2",
354                            NPCM7XX_RAM2_SZ, &error_abort);
355     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM2_BA, &s->sram);
356 
357     /* RAM3 (SRAM) */
358     memory_region_init_ram(&s->ram3, OBJECT(dev), "ram3",
359                            NPCM7XX_RAM3_SZ, &error_abort);
360     memory_region_add_subregion(get_system_memory(), NPCM7XX_RAM3_BA, &s->ram3);
361 
362     /* Internal ROM */
363     memory_region_init_rom(&s->irom, OBJECT(dev), "irom", NPCM7XX_ROM_SZ,
364                            &error_abort);
365     memory_region_add_subregion(get_system_memory(), NPCM7XX_ROM_BA, &s->irom);
366 
367     create_unimplemented_device("npcm7xx.shm",          0xc0001000,   4 * KiB);
368     create_unimplemented_device("npcm7xx.vdmx",         0xe0800000,   4 * KiB);
369     create_unimplemented_device("npcm7xx.pcierc",       0xe1000000,  64 * KiB);
370     create_unimplemented_device("npcm7xx.kcs",          0xf0007000,   4 * KiB);
371     create_unimplemented_device("npcm7xx.rng",          0xf000b000,   4 * KiB);
372     create_unimplemented_device("npcm7xx.adc",          0xf000c000,   4 * KiB);
373     create_unimplemented_device("npcm7xx.gfxi",         0xf000e000,   4 * KiB);
374     create_unimplemented_device("npcm7xx.gpio[0]",      0xf0010000,   4 * KiB);
375     create_unimplemented_device("npcm7xx.gpio[1]",      0xf0011000,   4 * KiB);
376     create_unimplemented_device("npcm7xx.gpio[2]",      0xf0012000,   4 * KiB);
377     create_unimplemented_device("npcm7xx.gpio[3]",      0xf0013000,   4 * KiB);
378     create_unimplemented_device("npcm7xx.gpio[4]",      0xf0014000,   4 * KiB);
379     create_unimplemented_device("npcm7xx.gpio[5]",      0xf0015000,   4 * KiB);
380     create_unimplemented_device("npcm7xx.gpio[6]",      0xf0016000,   4 * KiB);
381     create_unimplemented_device("npcm7xx.gpio[7]",      0xf0017000,   4 * KiB);
382     create_unimplemented_device("npcm7xx.smbus[0]",     0xf0080000,   4 * KiB);
383     create_unimplemented_device("npcm7xx.smbus[1]",     0xf0081000,   4 * KiB);
384     create_unimplemented_device("npcm7xx.smbus[2]",     0xf0082000,   4 * KiB);
385     create_unimplemented_device("npcm7xx.smbus[3]",     0xf0083000,   4 * KiB);
386     create_unimplemented_device("npcm7xx.smbus[4]",     0xf0084000,   4 * KiB);
387     create_unimplemented_device("npcm7xx.smbus[5]",     0xf0085000,   4 * KiB);
388     create_unimplemented_device("npcm7xx.smbus[6]",     0xf0086000,   4 * KiB);
389     create_unimplemented_device("npcm7xx.smbus[7]",     0xf0087000,   4 * KiB);
390     create_unimplemented_device("npcm7xx.smbus[8]",     0xf0088000,   4 * KiB);
391     create_unimplemented_device("npcm7xx.smbus[9]",     0xf0089000,   4 * KiB);
392     create_unimplemented_device("npcm7xx.smbus[10]",    0xf008a000,   4 * KiB);
393     create_unimplemented_device("npcm7xx.smbus[11]",    0xf008b000,   4 * KiB);
394     create_unimplemented_device("npcm7xx.smbus[12]",    0xf008c000,   4 * KiB);
395     create_unimplemented_device("npcm7xx.smbus[13]",    0xf008d000,   4 * KiB);
396     create_unimplemented_device("npcm7xx.smbus[14]",    0xf008e000,   4 * KiB);
397     create_unimplemented_device("npcm7xx.smbus[15]",    0xf008f000,   4 * KiB);
398     create_unimplemented_device("npcm7xx.espi",         0xf009f000,   4 * KiB);
399     create_unimplemented_device("npcm7xx.peci",         0xf0100000,   4 * KiB);
400     create_unimplemented_device("npcm7xx.siox[1]",      0xf0101000,   4 * KiB);
401     create_unimplemented_device("npcm7xx.siox[2]",      0xf0102000,   4 * KiB);
402     create_unimplemented_device("npcm7xx.pwm[0]",       0xf0103000,   4 * KiB);
403     create_unimplemented_device("npcm7xx.pwm[1]",       0xf0104000,   4 * KiB);
404     create_unimplemented_device("npcm7xx.mft[0]",       0xf0180000,   4 * KiB);
405     create_unimplemented_device("npcm7xx.mft[1]",       0xf0181000,   4 * KiB);
406     create_unimplemented_device("npcm7xx.mft[2]",       0xf0182000,   4 * KiB);
407     create_unimplemented_device("npcm7xx.mft[3]",       0xf0183000,   4 * KiB);
408     create_unimplemented_device("npcm7xx.mft[4]",       0xf0184000,   4 * KiB);
409     create_unimplemented_device("npcm7xx.mft[5]",       0xf0185000,   4 * KiB);
410     create_unimplemented_device("npcm7xx.mft[6]",       0xf0186000,   4 * KiB);
411     create_unimplemented_device("npcm7xx.mft[7]",       0xf0187000,   4 * KiB);
412     create_unimplemented_device("npcm7xx.pspi1",        0xf0200000,   4 * KiB);
413     create_unimplemented_device("npcm7xx.pspi2",        0xf0201000,   4 * KiB);
414     create_unimplemented_device("npcm7xx.ahbpci",       0xf0400000,   1 * MiB);
415     create_unimplemented_device("npcm7xx.mcphy",        0xf05f0000,  64 * KiB);
416     create_unimplemented_device("npcm7xx.gmac1",        0xf0802000,   8 * KiB);
417     create_unimplemented_device("npcm7xx.gmac2",        0xf0804000,   8 * KiB);
418     create_unimplemented_device("npcm7xx.ehci",         0xf0806000,   4 * KiB);
419     create_unimplemented_device("npcm7xx.ohci",         0xf0807000,   4 * KiB);
420     create_unimplemented_device("npcm7xx.vcd",          0xf0810000,  64 * KiB);
421     create_unimplemented_device("npcm7xx.ece",          0xf0820000,   8 * KiB);
422     create_unimplemented_device("npcm7xx.vdma",         0xf0822000,   8 * KiB);
423     create_unimplemented_device("npcm7xx.emc1",         0xf0825000,   4 * KiB);
424     create_unimplemented_device("npcm7xx.emc2",         0xf0826000,   4 * KiB);
425     create_unimplemented_device("npcm7xx.usbd[0]",      0xf0830000,   4 * KiB);
426     create_unimplemented_device("npcm7xx.usbd[1]",      0xf0831000,   4 * KiB);
427     create_unimplemented_device("npcm7xx.usbd[2]",      0xf0832000,   4 * KiB);
428     create_unimplemented_device("npcm7xx.usbd[3]",      0xf0833000,   4 * KiB);
429     create_unimplemented_device("npcm7xx.usbd[4]",      0xf0834000,   4 * KiB);
430     create_unimplemented_device("npcm7xx.usbd[5]",      0xf0835000,   4 * KiB);
431     create_unimplemented_device("npcm7xx.usbd[6]",      0xf0836000,   4 * KiB);
432     create_unimplemented_device("npcm7xx.usbd[7]",      0xf0837000,   4 * KiB);
433     create_unimplemented_device("npcm7xx.usbd[8]",      0xf0838000,   4 * KiB);
434     create_unimplemented_device("npcm7xx.usbd[9]",      0xf0839000,   4 * KiB);
435     create_unimplemented_device("npcm7xx.sd",           0xf0840000,   8 * KiB);
436     create_unimplemented_device("npcm7xx.mmc",          0xf0842000,   8 * KiB);
437     create_unimplemented_device("npcm7xx.pcimbx",       0xf0848000, 512 * KiB);
438     create_unimplemented_device("npcm7xx.aes",          0xf0858000,   4 * KiB);
439     create_unimplemented_device("npcm7xx.des",          0xf0859000,   4 * KiB);
440     create_unimplemented_device("npcm7xx.sha",          0xf085a000,   4 * KiB);
441     create_unimplemented_device("npcm7xx.secacc",       0xf085b000,   4 * KiB);
442     create_unimplemented_device("npcm7xx.spixcs0",      0xf8000000,  16 * MiB);
443     create_unimplemented_device("npcm7xx.spixcs1",      0xf9000000,  16 * MiB);
444     create_unimplemented_device("npcm7xx.spix",         0xfb001000,   4 * KiB);
445 }
446 
447 static Property npcm7xx_properties[] = {
448     DEFINE_PROP_LINK("dram-mr", NPCM7xxState, dram, TYPE_MEMORY_REGION,
449                      MemoryRegion *),
450     DEFINE_PROP_END_OF_LIST(),
451 };
452 
453 static void npcm7xx_class_init(ObjectClass *oc, void *data)
454 {
455     DeviceClass *dc = DEVICE_CLASS(oc);
456 
457     dc->realize = npcm7xx_realize;
458     dc->user_creatable = false;
459     device_class_set_props(dc, npcm7xx_properties);
460 }
461 
462 static void npcm730_class_init(ObjectClass *oc, void *data)
463 {
464     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
465 
466     /* NPCM730 is optimized for data center use, so no graphics, etc. */
467     nc->disabled_modules = 0x00300395;
468     nc->num_cpus = 2;
469 }
470 
471 static void npcm750_class_init(ObjectClass *oc, void *data)
472 {
473     NPCM7xxClass *nc = NPCM7XX_CLASS(oc);
474 
475     /* NPCM750 has 2 cores and a full set of peripherals */
476     nc->disabled_modules = 0x00000000;
477     nc->num_cpus = 2;
478 }
479 
480 static const TypeInfo npcm7xx_soc_types[] = {
481     {
482         .name           = TYPE_NPCM7XX,
483         .parent         = TYPE_DEVICE,
484         .instance_size  = sizeof(NPCM7xxState),
485         .instance_init  = npcm7xx_init,
486         .class_size     = sizeof(NPCM7xxClass),
487         .class_init     = npcm7xx_class_init,
488         .abstract       = true,
489     }, {
490         .name           = TYPE_NPCM730,
491         .parent         = TYPE_NPCM7XX,
492         .class_init     = npcm730_class_init,
493     }, {
494         .name           = TYPE_NPCM750,
495         .parent         = TYPE_NPCM7XX,
496         .class_init     = npcm750_class_init,
497     },
498 };
499 
500 DEFINE_TYPES(npcm7xx_soc_types);
501