xref: /openbmc/qemu/hw/arm/aspeed.c (revision ccb23709)
1 /*
2  * OpenPOWER Palmetto BMC
3  *
4  * Andrew Jeffery <andrew@aj.id.au>
5  *
6  * Copyright 2016 IBM Corp.
7  *
8  * This code is licensed under the GPL version 2 or later.  See
9  * the COPYING file in the top-level directory.
10  */
11 
12 #include "qemu/osdep.h"
13 #include "qapi/error.h"
14 #include "cpu.h"
15 #include "exec/address-spaces.h"
16 #include "hw/arm/boot.h"
17 #include "hw/arm/aspeed.h"
18 #include "hw/arm/aspeed_soc.h"
19 #include "hw/boards.h"
20 #include "hw/i2c/smbus_eeprom.h"
21 #include "hw/misc/pca9552.h"
22 #include "hw/misc/tmp105.h"
23 #include "hw/qdev-properties.h"
24 #include "qemu/log.h"
25 #include "sysemu/block-backend.h"
26 #include "sysemu/sysemu.h"
27 #include "hw/loader.h"
28 #include "qemu/error-report.h"
29 #include "qemu/units.h"
30 
31 static struct arm_boot_info aspeed_board_binfo = {
32     .board_id = -1, /* device-tree-only board */
33 };
34 
35 struct AspeedMachineState {
36     /* Private */
37     MachineState parent_obj;
38     /* Public */
39 
40     AspeedSoCState soc;
41     MemoryRegion ram_container;
42     MemoryRegion max_ram;
43     bool mmio_exec;
44 };
45 
46 /* Palmetto hardware value: 0x120CE416 */
47 #define PALMETTO_BMC_HW_STRAP1 (                                        \
48         SCU_AST2400_HW_STRAP_DRAM_SIZE(DRAM_SIZE_256MB) |               \
49         SCU_AST2400_HW_STRAP_DRAM_CONFIG(2 /* DDR3 with CL=6, CWL=5 */) | \
50         SCU_AST2400_HW_STRAP_ACPI_DIS |                                 \
51         SCU_AST2400_HW_STRAP_SET_CLK_SOURCE(AST2400_CLK_48M_IN) |       \
52         SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
53         SCU_HW_STRAP_LPC_RESET_PIN |                                    \
54         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_M_S_EN) |                \
55         SCU_AST2400_HW_STRAP_SET_CPU_AHB_RATIO(AST2400_CPU_AHB_RATIO_2_1) | \
56         SCU_HW_STRAP_SPI_WIDTH |                                        \
57         SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) |                       \
58         SCU_AST2400_HW_STRAP_BOOT_MODE(AST2400_SPI_BOOT))
59 
60 /* AST2500 evb hardware value: 0xF100C2E6 */
61 #define AST2500_EVB_HW_STRAP1 ((                                        \
62         AST2500_HW_STRAP1_DEFAULTS |                                    \
63         SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
64         SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
65         SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
66         SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
67         SCU_HW_STRAP_MAC1_RGMII |                                       \
68         SCU_HW_STRAP_MAC0_RGMII) &                                      \
69         ~SCU_HW_STRAP_2ND_BOOT_WDT)
70 
71 /* Romulus hardware value: 0xF10AD206 */
72 #define ROMULUS_BMC_HW_STRAP1 (                                         \
73         AST2500_HW_STRAP1_DEFAULTS |                                    \
74         SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
75         SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
76         SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
77         SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
78         SCU_AST2500_HW_STRAP_ACPI_ENABLE |                              \
79         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
80 
81 /* Sonorapass hardware value: 0xF100D216 */
82 #define SONORAPASS_BMC_HW_STRAP1 (                                      \
83         SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
84         SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
85         SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
86         SCU_AST2500_HW_STRAP_RESERVED28 |                               \
87         SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
88         SCU_HW_STRAP_VGA_CLASS_CODE |                                   \
89         SCU_HW_STRAP_LPC_RESET_PIN |                                    \
90         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER) |                \
91         SCU_AST2500_HW_STRAP_SET_AXI_AHB_RATIO(AXI_AHB_RATIO_2_1) |     \
92         SCU_HW_STRAP_VGA_BIOS_ROM |                                     \
93         SCU_HW_STRAP_VGA_SIZE_SET(VGA_16M_DRAM) |                       \
94         SCU_AST2500_HW_STRAP_RESERVED1)
95 
96 /* Swift hardware value: 0xF11AD206 */
97 #define SWIFT_BMC_HW_STRAP1 (                                           \
98         AST2500_HW_STRAP1_DEFAULTS |                                    \
99         SCU_AST2500_HW_STRAP_SPI_AUTOFETCH_ENABLE |                     \
100         SCU_AST2500_HW_STRAP_GPIO_STRAP_ENABLE |                        \
101         SCU_AST2500_HW_STRAP_UART_DEBUG |                               \
102         SCU_AST2500_HW_STRAP_DDR4_ENABLE |                              \
103         SCU_H_PLL_BYPASS_EN |                                           \
104         SCU_AST2500_HW_STRAP_ACPI_ENABLE |                              \
105         SCU_HW_STRAP_SPI_MODE(SCU_HW_STRAP_SPI_MASTER))
106 
107 /* Witherspoon hardware value: 0xF10AD216 (but use romulus definition) */
108 #define WITHERSPOON_BMC_HW_STRAP1 ROMULUS_BMC_HW_STRAP1
109 
110 /* AST2600 evb hardware value */
111 #define AST2600_EVB_HW_STRAP1 0x000000C0
112 #define AST2600_EVB_HW_STRAP2 0x00000003
113 
114 /* Tacoma hardware value */
115 #define TACOMA_BMC_HW_STRAP1  0x00000000
116 #define TACOMA_BMC_HW_STRAP2  0x00000040
117 
118 /*
119  * The max ram region is for firmwares that scan the address space
120  * with load/store to guess how much RAM the SoC has.
121  */
122 static uint64_t max_ram_read(void *opaque, hwaddr offset, unsigned size)
123 {
124     return 0;
125 }
126 
127 static void max_ram_write(void *opaque, hwaddr offset, uint64_t value,
128                            unsigned size)
129 {
130     /* Discard writes */
131 }
132 
133 static const MemoryRegionOps max_ram_ops = {
134     .read = max_ram_read,
135     .write = max_ram_write,
136     .endianness = DEVICE_NATIVE_ENDIAN,
137 };
138 
139 #define AST_SMP_MAILBOX_BASE            0x1e6e2180
140 #define AST_SMP_MBOX_FIELD_ENTRY        (AST_SMP_MAILBOX_BASE + 0x0)
141 #define AST_SMP_MBOX_FIELD_GOSIGN       (AST_SMP_MAILBOX_BASE + 0x4)
142 #define AST_SMP_MBOX_FIELD_READY        (AST_SMP_MAILBOX_BASE + 0x8)
143 #define AST_SMP_MBOX_FIELD_POLLINSN     (AST_SMP_MAILBOX_BASE + 0xc)
144 #define AST_SMP_MBOX_CODE               (AST_SMP_MAILBOX_BASE + 0x10)
145 #define AST_SMP_MBOX_GOSIGN             0xabbaab00
146 
147 static void aspeed_write_smpboot(ARMCPU *cpu,
148                                  const struct arm_boot_info *info)
149 {
150     static const uint32_t poll_mailbox_ready[] = {
151         /*
152          * r2 = per-cpu go sign value
153          * r1 = AST_SMP_MBOX_FIELD_ENTRY
154          * r0 = AST_SMP_MBOX_FIELD_GOSIGN
155          */
156         0xee100fb0,  /* mrc     p15, 0, r0, c0, c0, 5 */
157         0xe21000ff,  /* ands    r0, r0, #255          */
158         0xe59f201c,  /* ldr     r2, [pc, #28]         */
159         0xe1822000,  /* orr     r2, r2, r0            */
160 
161         0xe59f1018,  /* ldr     r1, [pc, #24]         */
162         0xe59f0018,  /* ldr     r0, [pc, #24]         */
163 
164         0xe320f002,  /* wfe                           */
165         0xe5904000,  /* ldr     r4, [r0]              */
166         0xe1520004,  /* cmp     r2, r4                */
167         0x1afffffb,  /* bne     <wfe>                 */
168         0xe591f000,  /* ldr     pc, [r1]              */
169         AST_SMP_MBOX_GOSIGN,
170         AST_SMP_MBOX_FIELD_ENTRY,
171         AST_SMP_MBOX_FIELD_GOSIGN,
172     };
173 
174     rom_add_blob_fixed("aspeed.smpboot", poll_mailbox_ready,
175                        sizeof(poll_mailbox_ready),
176                        info->smp_loader_start);
177 }
178 
179 static void aspeed_reset_secondary(ARMCPU *cpu,
180                                    const struct arm_boot_info *info)
181 {
182     AddressSpace *as = arm_boot_address_space(cpu, info);
183     CPUState *cs = CPU(cpu);
184 
185     /* info->smp_bootreg_addr */
186     address_space_stl_notdirty(as, AST_SMP_MBOX_FIELD_GOSIGN, 0,
187                                MEMTXATTRS_UNSPECIFIED, NULL);
188     cpu_set_pc(cs, info->smp_loader_start);
189 }
190 
191 #define FIRMWARE_ADDR 0x0
192 
193 static void write_boot_rom(DriveInfo *dinfo, hwaddr addr, size_t rom_size,
194                            Error **errp)
195 {
196     BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
197     uint8_t *storage;
198     int64_t size;
199 
200     /* The block backend size should have already been 'validated' by
201      * the creation of the m25p80 object.
202      */
203     size = blk_getlength(blk);
204     if (size <= 0) {
205         error_setg(errp, "failed to get flash size");
206         return;
207     }
208 
209     if (rom_size > size) {
210         rom_size = size;
211     }
212 
213     storage = g_new0(uint8_t, rom_size);
214     if (blk_pread(blk, 0, storage, rom_size) < 0) {
215         error_setg(errp, "failed to read the initial flash content");
216         return;
217     }
218 
219     rom_add_blob_fixed("aspeed.boot_rom", storage, rom_size, addr);
220     g_free(storage);
221 }
222 
223 static void aspeed_board_init_flashes(AspeedSMCState *s,
224                                       const char *flashtype)
225 {
226     int i ;
227 
228     for (i = 0; i < s->num_cs; ++i) {
229         AspeedSMCFlash *fl = &s->flashes[i];
230         DriveInfo *dinfo = drive_get_next(IF_MTD);
231         qemu_irq cs_line;
232 
233         fl->flash = qdev_new(flashtype);
234         if (dinfo) {
235             qdev_prop_set_drive(fl->flash, "drive",
236                                 blk_by_legacy_dinfo(dinfo));
237         }
238         qdev_realize_and_unref(fl->flash, BUS(s->spi), &error_fatal);
239 
240         cs_line = qdev_get_gpio_in_named(fl->flash, SSI_GPIO_CS, 0);
241         sysbus_connect_irq(SYS_BUS_DEVICE(s), i + 1, cs_line);
242     }
243 }
244 
245 static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo)
246 {
247         DeviceState *card;
248 
249         card = qdev_new(TYPE_SD_CARD);
250         if (dinfo) {
251             qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
252                                     &error_fatal);
253         }
254         qdev_realize_and_unref(card,
255                                qdev_get_child_bus(DEVICE(sdhci), "sd-bus"),
256                                &error_fatal);
257 }
258 
259 static void aspeed_machine_init(MachineState *machine)
260 {
261     AspeedMachineState *bmc = ASPEED_MACHINE(machine);
262     AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
263     AspeedSoCClass *sc;
264     DriveInfo *drive0 = drive_get(IF_MTD, 0, 0);
265     ram_addr_t max_ram_size;
266     int i;
267     NICInfo *nd = &nd_table[0];
268 
269     memory_region_init(&bmc->ram_container, NULL, "aspeed-ram-container",
270                        4 * GiB);
271     memory_region_add_subregion(&bmc->ram_container, 0, machine->ram);
272 
273     object_initialize_child(OBJECT(machine), "soc", &bmc->soc, amc->soc_name);
274 
275     sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
276 
277     /*
278      * This will error out if isize is not supported by memory controller.
279      */
280     object_property_set_uint(OBJECT(&bmc->soc), "ram-size", ram_size,
281                              &error_fatal);
282 
283     for (i = 0; i < sc->macs_num; i++) {
284         if ((amc->macs_mask & (1 << i)) && nd->used) {
285             qemu_check_nic_model(nd, TYPE_FTGMAC100);
286             qdev_set_nic_properties(DEVICE(&bmc->soc.ftgmac100[i]), nd);
287             nd++;
288         }
289     }
290 
291     object_property_set_int(OBJECT(&bmc->soc), "hw-strap1", amc->hw_strap1,
292                             &error_abort);
293     object_property_set_int(OBJECT(&bmc->soc), "hw-strap2", amc->hw_strap2,
294                             &error_abort);
295     object_property_set_int(OBJECT(&bmc->soc), "num-cs", amc->num_cs,
296                             &error_abort);
297     object_property_set_link(OBJECT(&bmc->soc), "dram",
298                              OBJECT(&bmc->ram_container), &error_abort);
299     if (machine->kernel_filename) {
300         /*
301          * When booting with a -kernel command line there is no u-boot
302          * that runs to unlock the SCU. In this case set the default to
303          * be unlocked as the kernel expects
304          */
305         object_property_set_int(OBJECT(&bmc->soc), "hw-prot-key",
306                                 ASPEED_SCU_PROT_KEY, &error_abort);
307     }
308     qdev_realize(DEVICE(&bmc->soc), NULL, &error_abort);
309 
310     memory_region_add_subregion(get_system_memory(),
311                                 sc->memmap[ASPEED_SDRAM],
312                                 &bmc->ram_container);
313 
314     max_ram_size = object_property_get_uint(OBJECT(&bmc->soc), "max-ram-size",
315                                             &error_abort);
316     memory_region_init_io(&bmc->max_ram, NULL, &max_ram_ops, NULL,
317                           "max_ram", max_ram_size  - ram_size);
318     memory_region_add_subregion(&bmc->ram_container, ram_size, &bmc->max_ram);
319 
320     aspeed_board_init_flashes(&bmc->soc.fmc, amc->fmc_model);
321     aspeed_board_init_flashes(&bmc->soc.spi[0], amc->spi_model);
322 
323     /* Install first FMC flash content as a boot rom. */
324     if (drive0) {
325         AspeedSMCFlash *fl = &bmc->soc.fmc.flashes[0];
326         MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
327 
328         /*
329          * create a ROM region using the default mapping window size of
330          * the flash module. The window size is 64MB for the AST2400
331          * SoC and 128MB for the AST2500 SoC, which is twice as big as
332          * needed by the flash modules of the Aspeed machines.
333          */
334         if (ASPEED_MACHINE(machine)->mmio_exec) {
335             memory_region_init_alias(boot_rom, NULL, "aspeed.boot_rom",
336                                      &fl->mmio, 0, fl->size);
337             memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
338                                         boot_rom);
339         } else {
340             memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom",
341                                    fl->size, &error_abort);
342             memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
343                                         boot_rom);
344             write_boot_rom(drive0, FIRMWARE_ADDR, fl->size, &error_abort);
345         }
346     }
347 
348     if (machine->kernel_filename && sc->num_cpus > 1) {
349         /* With no u-boot we must set up a boot stub for the secondary CPU */
350         MemoryRegion *smpboot = g_new(MemoryRegion, 1);
351         memory_region_init_ram(smpboot, NULL, "aspeed.smpboot",
352                                0x80, &error_abort);
353         memory_region_add_subregion(get_system_memory(),
354                                     AST_SMP_MAILBOX_BASE, smpboot);
355 
356         aspeed_board_binfo.write_secondary_boot = aspeed_write_smpboot;
357         aspeed_board_binfo.secondary_cpu_reset_hook = aspeed_reset_secondary;
358         aspeed_board_binfo.smp_loader_start = AST_SMP_MBOX_CODE;
359     }
360 
361     aspeed_board_binfo.ram_size = ram_size;
362     aspeed_board_binfo.loader_start = sc->memmap[ASPEED_SDRAM];
363     aspeed_board_binfo.nb_cpus = sc->num_cpus;
364 
365     if (amc->i2c_init) {
366         amc->i2c_init(bmc);
367     }
368 
369     for (i = 0; i < bmc->soc.sdhci.num_slots; i++) {
370         sdhci_attach_drive(&bmc->soc.sdhci.slots[i], drive_get_next(IF_SD));
371     }
372 
373     if (bmc->soc.emmc.num_slots) {
374         sdhci_attach_drive(&bmc->soc.emmc.slots[0], drive_get_next(IF_SD));
375     }
376 
377     arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo);
378 }
379 
380 static void palmetto_bmc_i2c_init(AspeedMachineState *bmc)
381 {
382     AspeedSoCState *soc = &bmc->soc;
383     DeviceState *dev;
384     uint8_t *eeprom_buf = g_malloc0(32 * 1024);
385 
386     /* The palmetto platform expects a ds3231 RTC but a ds1338 is
387      * enough to provide basic RTC features. Alarms will be missing */
388     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), "ds1338", 0x68);
389 
390     smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 0), 0x50,
391                           eeprom_buf);
392 
393     /* add a TMP423 temperature sensor */
394     dev = i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2),
395                            "tmp423", 0x4c);
396     object_property_set_int(OBJECT(dev), "temperature0", 31000, &error_abort);
397     object_property_set_int(OBJECT(dev), "temperature1", 28000, &error_abort);
398     object_property_set_int(OBJECT(dev), "temperature2", 20000, &error_abort);
399     object_property_set_int(OBJECT(dev), "temperature3", 110000, &error_abort);
400 }
401 
402 static void ast2500_evb_i2c_init(AspeedMachineState *bmc)
403 {
404     AspeedSoCState *soc = &bmc->soc;
405     uint8_t *eeprom_buf = g_malloc0(8 * 1024);
406 
407     smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 3), 0x50,
408                           eeprom_buf);
409 
410     /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
411     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7),
412                      TYPE_TMP105, 0x4d);
413 
414     /* The AST2500 EVB does not have an RTC. Let's pretend that one is
415      * plugged on the I2C bus header */
416     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338", 0x32);
417 }
418 
419 static void ast2600_evb_i2c_init(AspeedMachineState *bmc)
420 {
421     /* Start with some devices on our I2C busses */
422     ast2500_evb_i2c_init(bmc);
423 }
424 
425 static void romulus_bmc_i2c_init(AspeedMachineState *bmc)
426 {
427     AspeedSoCState *soc = &bmc->soc;
428 
429     /* The romulus board expects Epson RX8900 I2C RTC but a ds1338 is
430      * good enough */
431     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338", 0x32);
432 }
433 
434 static void swift_bmc_i2c_init(AspeedMachineState *bmc)
435 {
436     AspeedSoCState *soc = &bmc->soc;
437 
438     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 3), "pca9552", 0x60);
439 
440     /* The swift board expects a TMP275 but a TMP105 is compatible */
441     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "tmp105", 0x48);
442     /* The swift board expects a pca9551 but a pca9552 is compatible */
443     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 7), "pca9552", 0x60);
444 
445     /* The swift board expects an Epson RX8900 RTC but a ds1338 is compatible */
446     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "ds1338", 0x32);
447     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x60);
448 
449     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 9), "tmp423", 0x4c);
450     /* The swift board expects a pca9539 but a pca9552 is compatible */
451     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 9), "pca9552", 0x74);
452 
453     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 10), "tmp423", 0x4c);
454     /* The swift board expects a pca9539 but a pca9552 is compatible */
455     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 10), "pca9552",
456                      0x74);
457 
458     /* The swift board expects a TMP275 but a TMP105 is compatible */
459     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 12), "tmp105", 0x48);
460     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 12), "tmp105", 0x4a);
461 }
462 
463 static void sonorapass_bmc_i2c_init(AspeedMachineState *bmc)
464 {
465     AspeedSoCState *soc = &bmc->soc;
466 
467     /* bus 2 : */
468     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x48);
469     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 2), "tmp105", 0x49);
470     /* bus 2 : pca9546 @ 0x73 */
471 
472     /* bus 3 : pca9548 @ 0x70 */
473 
474     /* bus 4 : */
475     uint8_t *eeprom4_54 = g_malloc0(8 * 1024);
476     smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), 0x54,
477                           eeprom4_54);
478     /* PCA9539 @ 0x76, but PCA9552 is compatible */
479     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x76);
480     /* PCA9539 @ 0x77, but PCA9552 is compatible */
481     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "pca9552", 0x77);
482 
483     /* bus 6 : */
484     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x48);
485     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 6), "tmp105", 0x49);
486     /* bus 6 : pca9546 @ 0x73 */
487 
488     /* bus 8 : */
489     uint8_t *eeprom8_56 = g_malloc0(8 * 1024);
490     smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), 0x56,
491                           eeprom8_56);
492     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x60);
493     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 8), "pca9552", 0x61);
494     /* bus 8 : adc128d818 @ 0x1d */
495     /* bus 8 : adc128d818 @ 0x1f */
496 
497     /*
498      * bus 13 : pca9548 @ 0x71
499      *      - channel 3:
500      *          - tmm421 @ 0x4c
501      *          - tmp421 @ 0x4e
502      *          - tmp421 @ 0x4f
503      */
504 
505 }
506 
507 static void witherspoon_bmc_i2c_init(AspeedMachineState *bmc)
508 {
509     AspeedSoCState *soc = &bmc->soc;
510     uint8_t *eeprom_buf = g_malloc0(8 * 1024);
511     DeviceState *dev;
512 
513     /* Bus 3: TODO bmp280@77 */
514     /* Bus 3: TODO max31785@52 */
515     /* Bus 3: TODO dps310@76 */
516     dev = i2c_try_create_slave(TYPE_PCA9552, 0x60);
517     qdev_prop_set_string(dev, "description", "pca1");
518     i2c_realize_and_unref(dev, aspeed_i2c_get_bus(DEVICE(&soc->i2c), 3),
519                           &error_fatal);
520 
521     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 4), "tmp423", 0x4c);
522     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 5), "tmp423", 0x4c);
523 
524     /* The Witherspoon expects a TMP275 but a TMP105 is compatible */
525     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 9), TYPE_TMP105,
526                      0x4a);
527 
528     /* The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
529      * good enough */
530     i2c_create_slave(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), "ds1338", 0x32);
531 
532     smbus_eeprom_init_one(aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11), 0x51,
533                           eeprom_buf);
534     dev = i2c_try_create_slave(TYPE_PCA9552, 0x60);
535     qdev_prop_set_string(dev, "description", "pca0");
536     i2c_realize_and_unref(dev, aspeed_i2c_get_bus(DEVICE(&soc->i2c), 11),
537                           &error_fatal);
538     /* Bus 11: TODO ucd90160@64 */
539 }
540 
541 static bool aspeed_get_mmio_exec(Object *obj, Error **errp)
542 {
543     return ASPEED_MACHINE(obj)->mmio_exec;
544 }
545 
546 static void aspeed_set_mmio_exec(Object *obj, bool value, Error **errp)
547 {
548     ASPEED_MACHINE(obj)->mmio_exec = value;
549 }
550 
551 static void aspeed_machine_instance_init(Object *obj)
552 {
553     ASPEED_MACHINE(obj)->mmio_exec = false;
554 }
555 
556 static void aspeed_machine_class_props_init(ObjectClass *oc)
557 {
558     object_class_property_add_bool(oc, "execute-in-place",
559                                    aspeed_get_mmio_exec,
560                                    aspeed_set_mmio_exec);
561     object_class_property_set_description(oc, "execute-in-place",
562                            "boot directly from CE0 flash device");
563 }
564 
565 static int aspeed_soc_num_cpus(const char *soc_name)
566 {
567    AspeedSoCClass *sc = ASPEED_SOC_CLASS(object_class_by_name(soc_name));
568    return sc->num_cpus;
569 }
570 
571 static void aspeed_machine_class_init(ObjectClass *oc, void *data)
572 {
573     MachineClass *mc = MACHINE_CLASS(oc);
574     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
575 
576     mc->init = aspeed_machine_init;
577     mc->no_floppy = 1;
578     mc->no_cdrom = 1;
579     mc->no_parallel = 1;
580     mc->default_ram_id = "ram";
581     amc->macs_mask = ASPEED_MAC0_ON;
582 
583     aspeed_machine_class_props_init(oc);
584 }
585 
586 static void aspeed_machine_palmetto_class_init(ObjectClass *oc, void *data)
587 {
588     MachineClass *mc = MACHINE_CLASS(oc);
589     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
590 
591     mc->desc       = "OpenPOWER Palmetto BMC (ARM926EJ-S)";
592     amc->soc_name  = "ast2400-a1";
593     amc->hw_strap1 = PALMETTO_BMC_HW_STRAP1;
594     amc->fmc_model = "n25q256a";
595     amc->spi_model = "mx25l25635e";
596     amc->num_cs    = 1;
597     amc->i2c_init  = palmetto_bmc_i2c_init;
598     mc->default_ram_size       = 256 * MiB;
599     mc->default_cpus = mc->min_cpus = mc->max_cpus =
600         aspeed_soc_num_cpus(amc->soc_name);
601 };
602 
603 static void aspeed_machine_ast2500_evb_class_init(ObjectClass *oc, void *data)
604 {
605     MachineClass *mc = MACHINE_CLASS(oc);
606     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
607 
608     mc->desc       = "Aspeed AST2500 EVB (ARM1176)";
609     amc->soc_name  = "ast2500-a1";
610     amc->hw_strap1 = AST2500_EVB_HW_STRAP1;
611     amc->fmc_model = "w25q256";
612     amc->spi_model = "mx25l25635e";
613     amc->num_cs    = 1;
614     amc->i2c_init  = ast2500_evb_i2c_init;
615     mc->default_ram_size       = 512 * MiB;
616     mc->default_cpus = mc->min_cpus = mc->max_cpus =
617         aspeed_soc_num_cpus(amc->soc_name);
618 };
619 
620 static void aspeed_machine_romulus_class_init(ObjectClass *oc, void *data)
621 {
622     MachineClass *mc = MACHINE_CLASS(oc);
623     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
624 
625     mc->desc       = "OpenPOWER Romulus BMC (ARM1176)";
626     amc->soc_name  = "ast2500-a1";
627     amc->hw_strap1 = ROMULUS_BMC_HW_STRAP1;
628     amc->fmc_model = "n25q256a";
629     amc->spi_model = "mx66l1g45g";
630     amc->num_cs    = 2;
631     amc->i2c_init  = romulus_bmc_i2c_init;
632     mc->default_ram_size       = 512 * MiB;
633     mc->default_cpus = mc->min_cpus = mc->max_cpus =
634         aspeed_soc_num_cpus(amc->soc_name);
635 };
636 
637 static void aspeed_machine_sonorapass_class_init(ObjectClass *oc, void *data)
638 {
639     MachineClass *mc = MACHINE_CLASS(oc);
640     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
641 
642     mc->desc       = "OCP SonoraPass BMC (ARM1176)";
643     amc->soc_name  = "ast2500-a1";
644     amc->hw_strap1 = SONORAPASS_BMC_HW_STRAP1;
645     amc->fmc_model = "mx66l1g45g";
646     amc->spi_model = "mx66l1g45g";
647     amc->num_cs    = 2;
648     amc->i2c_init  = sonorapass_bmc_i2c_init;
649     mc->default_ram_size       = 512 * MiB;
650     mc->default_cpus = mc->min_cpus = mc->max_cpus =
651         aspeed_soc_num_cpus(amc->soc_name);
652 };
653 
654 static void aspeed_machine_swift_class_init(ObjectClass *oc, void *data)
655 {
656     MachineClass *mc = MACHINE_CLASS(oc);
657     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
658 
659     mc->desc       = "OpenPOWER Swift BMC (ARM1176)";
660     amc->soc_name  = "ast2500-a1";
661     amc->hw_strap1 = SWIFT_BMC_HW_STRAP1;
662     amc->fmc_model = "mx66l1g45g";
663     amc->spi_model = "mx66l1g45g";
664     amc->num_cs    = 2;
665     amc->i2c_init  = swift_bmc_i2c_init;
666     mc->default_ram_size       = 512 * MiB;
667     mc->default_cpus = mc->min_cpus = mc->max_cpus =
668         aspeed_soc_num_cpus(amc->soc_name);
669 };
670 
671 static void aspeed_machine_witherspoon_class_init(ObjectClass *oc, void *data)
672 {
673     MachineClass *mc = MACHINE_CLASS(oc);
674     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
675 
676     mc->desc       = "OpenPOWER Witherspoon BMC (ARM1176)";
677     amc->soc_name  = "ast2500-a1";
678     amc->hw_strap1 = WITHERSPOON_BMC_HW_STRAP1;
679     amc->fmc_model = "mx25l25635e";
680     amc->spi_model = "mx66l1g45g";
681     amc->num_cs    = 2;
682     amc->i2c_init  = witherspoon_bmc_i2c_init;
683     mc->default_ram_size = 512 * MiB;
684     mc->default_cpus = mc->min_cpus = mc->max_cpus =
685         aspeed_soc_num_cpus(amc->soc_name);
686 };
687 
688 static void aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)
689 {
690     MachineClass *mc = MACHINE_CLASS(oc);
691     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
692 
693     mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";
694     amc->soc_name  = "ast2600-a1";
695     amc->hw_strap1 = AST2600_EVB_HW_STRAP1;
696     amc->hw_strap2 = AST2600_EVB_HW_STRAP2;
697     amc->fmc_model = "w25q512jv";
698     amc->spi_model = "mx66u51235f";
699     amc->num_cs    = 1;
700     amc->macs_mask  = ASPEED_MAC1_ON | ASPEED_MAC2_ON | ASPEED_MAC3_ON;
701     amc->i2c_init  = ast2600_evb_i2c_init;
702     mc->default_ram_size = 1 * GiB;
703     mc->default_cpus = mc->min_cpus = mc->max_cpus =
704         aspeed_soc_num_cpus(amc->soc_name);
705 };
706 
707 static void aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)
708 {
709     MachineClass *mc = MACHINE_CLASS(oc);
710     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
711 
712     mc->desc       = "OpenPOWER Tacoma BMC (Cortex A7)";
713     amc->soc_name  = "ast2600-a1";
714     amc->hw_strap1 = TACOMA_BMC_HW_STRAP1;
715     amc->hw_strap2 = TACOMA_BMC_HW_STRAP2;
716     amc->fmc_model = "mx66l1g45g";
717     amc->spi_model = "mx66l1g45g";
718     amc->num_cs    = 2;
719     amc->macs_mask  = ASPEED_MAC2_ON;
720     amc->i2c_init  = witherspoon_bmc_i2c_init; /* Same board layout */
721     mc->default_ram_size = 1 * GiB;
722     mc->default_cpus = mc->min_cpus = mc->max_cpus =
723         aspeed_soc_num_cpus(amc->soc_name);
724 };
725 
726 static const TypeInfo aspeed_machine_types[] = {
727     {
728         .name          = MACHINE_TYPE_NAME("palmetto-bmc"),
729         .parent        = TYPE_ASPEED_MACHINE,
730         .class_init    = aspeed_machine_palmetto_class_init,
731     }, {
732         .name          = MACHINE_TYPE_NAME("ast2500-evb"),
733         .parent        = TYPE_ASPEED_MACHINE,
734         .class_init    = aspeed_machine_ast2500_evb_class_init,
735     }, {
736         .name          = MACHINE_TYPE_NAME("romulus-bmc"),
737         .parent        = TYPE_ASPEED_MACHINE,
738         .class_init    = aspeed_machine_romulus_class_init,
739     }, {
740         .name          = MACHINE_TYPE_NAME("swift-bmc"),
741         .parent        = TYPE_ASPEED_MACHINE,
742         .class_init    = aspeed_machine_swift_class_init,
743     }, {
744         .name          = MACHINE_TYPE_NAME("sonorapass-bmc"),
745         .parent        = TYPE_ASPEED_MACHINE,
746         .class_init    = aspeed_machine_sonorapass_class_init,
747     }, {
748         .name          = MACHINE_TYPE_NAME("witherspoon-bmc"),
749         .parent        = TYPE_ASPEED_MACHINE,
750         .class_init    = aspeed_machine_witherspoon_class_init,
751     }, {
752         .name          = MACHINE_TYPE_NAME("ast2600-evb"),
753         .parent        = TYPE_ASPEED_MACHINE,
754         .class_init    = aspeed_machine_ast2600_evb_class_init,
755     }, {
756         .name          = MACHINE_TYPE_NAME("tacoma-bmc"),
757         .parent        = TYPE_ASPEED_MACHINE,
758         .class_init    = aspeed_machine_tacoma_class_init,
759     }, {
760         .name          = TYPE_ASPEED_MACHINE,
761         .parent        = TYPE_MACHINE,
762         .instance_size = sizeof(AspeedMachineState),
763         .instance_init = aspeed_machine_instance_init,
764         .class_size    = sizeof(AspeedMachineClass),
765         .class_init    = aspeed_machine_class_init,
766         .abstract      = true,
767     }
768 };
769 
770 DEFINE_TYPES(aspeed_machine_types)
771