xref: /openbmc/qemu/hw/arm/aspeed.c (revision 139c1837)
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         if (!dinfo) {
250             return;
251         }
252         card = qdev_new(TYPE_SD_CARD);
253         qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
254                                 &error_fatal);
255         qdev_realize_and_unref(card,
256                                qdev_get_child_bus(DEVICE(sdhci), "sd-bus"),
257                                &error_fatal);
258 }
259 
260 static void aspeed_machine_init(MachineState *machine)
261 {
262     AspeedMachineState *bmc = ASPEED_MACHINE(machine);
263     AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
264     AspeedSoCClass *sc;
265     DriveInfo *drive0 = drive_get(IF_MTD, 0, 0);
266     ram_addr_t max_ram_size;
267     int i;
268     NICInfo *nd = &nd_table[0];
269 
270     memory_region_init(&bmc->ram_container, NULL, "aspeed-ram-container",
271                        4 * GiB);
272     memory_region_add_subregion(&bmc->ram_container, 0, machine->ram);
273 
274     object_initialize_child(OBJECT(machine), "soc", &bmc->soc, amc->soc_name);
275 
276     sc = ASPEED_SOC_GET_CLASS(&bmc->soc);
277 
278     /*
279      * This will error out if isize is not supported by memory controller.
280      */
281     object_property_set_uint(OBJECT(&bmc->soc), "ram-size", ram_size,
282                              &error_fatal);
283 
284     for (i = 0; i < sc->macs_num; i++) {
285         if ((amc->macs_mask & (1 << i)) && nd->used) {
286             qemu_check_nic_model(nd, TYPE_FTGMAC100);
287             qdev_set_nic_properties(DEVICE(&bmc->soc.ftgmac100[i]), nd);
288             nd++;
289         }
290     }
291 
292     object_property_set_int(OBJECT(&bmc->soc), "hw-strap1", amc->hw_strap1,
293                             &error_abort);
294     object_property_set_int(OBJECT(&bmc->soc), "hw-strap2", amc->hw_strap2,
295                             &error_abort);
296     object_property_set_int(OBJECT(&bmc->soc), "num-cs", amc->num_cs,
297                             &error_abort);
298     object_property_set_link(OBJECT(&bmc->soc), "dram",
299                              OBJECT(&bmc->ram_container), &error_abort);
300     if (machine->kernel_filename) {
301         /*
302          * When booting with a -kernel command line there is no u-boot
303          * that runs to unlock the SCU. In this case set the default to
304          * be unlocked as the kernel expects
305          */
306         object_property_set_int(OBJECT(&bmc->soc), "hw-prot-key",
307                                 ASPEED_SCU_PROT_KEY, &error_abort);
308     }
309     qdev_realize(DEVICE(&bmc->soc), NULL, &error_abort);
310 
311     memory_region_add_subregion(get_system_memory(),
312                                 sc->memmap[ASPEED_SDRAM],
313                                 &bmc->ram_container);
314 
315     max_ram_size = object_property_get_uint(OBJECT(&bmc->soc), "max-ram-size",
316                                             &error_abort);
317     memory_region_init_io(&bmc->max_ram, NULL, &max_ram_ops, NULL,
318                           "max_ram", max_ram_size  - ram_size);
319     memory_region_add_subregion(&bmc->ram_container, ram_size, &bmc->max_ram);
320 
321     aspeed_board_init_flashes(&bmc->soc.fmc, amc->fmc_model);
322     aspeed_board_init_flashes(&bmc->soc.spi[0], amc->spi_model);
323 
324     /* Install first FMC flash content as a boot rom. */
325     if (drive0) {
326         AspeedSMCFlash *fl = &bmc->soc.fmc.flashes[0];
327         MemoryRegion *boot_rom = g_new(MemoryRegion, 1);
328 
329         /*
330          * create a ROM region using the default mapping window size of
331          * the flash module. The window size is 64MB for the AST2400
332          * SoC and 128MB for the AST2500 SoC, which is twice as big as
333          * needed by the flash modules of the Aspeed machines.
334          */
335         if (ASPEED_MACHINE(machine)->mmio_exec) {
336             memory_region_init_alias(boot_rom, NULL, "aspeed.boot_rom",
337                                      &fl->mmio, 0, fl->size);
338             memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
339                                         boot_rom);
340         } else {
341             memory_region_init_rom(boot_rom, NULL, "aspeed.boot_rom",
342                                    fl->size, &error_abort);
343             memory_region_add_subregion(get_system_memory(), FIRMWARE_ADDR,
344                                         boot_rom);
345             write_boot_rom(drive0, FIRMWARE_ADDR, fl->size, &error_abort);
346         }
347     }
348 
349     if (machine->kernel_filename && sc->num_cpus > 1) {
350         /* With no u-boot we must set up a boot stub for the secondary CPU */
351         MemoryRegion *smpboot = g_new(MemoryRegion, 1);
352         memory_region_init_ram(smpboot, NULL, "aspeed.smpboot",
353                                0x80, &error_abort);
354         memory_region_add_subregion(get_system_memory(),
355                                     AST_SMP_MAILBOX_BASE, smpboot);
356 
357         aspeed_board_binfo.write_secondary_boot = aspeed_write_smpboot;
358         aspeed_board_binfo.secondary_cpu_reset_hook = aspeed_reset_secondary;
359         aspeed_board_binfo.smp_loader_start = AST_SMP_MBOX_CODE;
360     }
361 
362     aspeed_board_binfo.ram_size = ram_size;
363     aspeed_board_binfo.loader_start = sc->memmap[ASPEED_SDRAM];
364     aspeed_board_binfo.nb_cpus = sc->num_cpus;
365 
366     if (amc->i2c_init) {
367         amc->i2c_init(bmc);
368     }
369 
370     for (i = 0; i < bmc->soc.sdhci.num_slots; i++) {
371         sdhci_attach_drive(&bmc->soc.sdhci.slots[i], drive_get_next(IF_SD));
372     }
373 
374     if (bmc->soc.emmc.num_slots) {
375         sdhci_attach_drive(&bmc->soc.emmc.slots[0], drive_get_next(IF_SD));
376     }
377 
378     arm_load_kernel(ARM_CPU(first_cpu), machine, &aspeed_board_binfo);
379 }
380 
381 static void palmetto_bmc_i2c_init(AspeedMachineState *bmc)
382 {
383     AspeedSoCState *soc = &bmc->soc;
384     DeviceState *dev;
385     uint8_t *eeprom_buf = g_malloc0(32 * 1024);
386 
387     /* The palmetto platform expects a ds3231 RTC but a ds1338 is
388      * enough to provide basic RTC features. Alarms will be missing */
389     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 0), "ds1338", 0x68);
390 
391     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50,
392                           eeprom_buf);
393 
394     /* add a TMP423 temperature sensor */
395     dev = DEVICE(i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2),
396                                          "tmp423", 0x4c));
397     object_property_set_int(OBJECT(dev), "temperature0", 31000, &error_abort);
398     object_property_set_int(OBJECT(dev), "temperature1", 28000, &error_abort);
399     object_property_set_int(OBJECT(dev), "temperature2", 20000, &error_abort);
400     object_property_set_int(OBJECT(dev), "temperature3", 110000, &error_abort);
401 }
402 
403 static void ast2500_evb_i2c_init(AspeedMachineState *bmc)
404 {
405     AspeedSoCState *soc = &bmc->soc;
406     uint8_t *eeprom_buf = g_malloc0(8 * 1024);
407 
408     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 3), 0x50,
409                           eeprom_buf);
410 
411     /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */
412     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7),
413                      TYPE_TMP105, 0x4d);
414 
415     /* The AST2500 EVB does not have an RTC. Let's pretend that one is
416      * plugged on the I2C bus header */
417     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
418 }
419 
420 static void ast2600_evb_i2c_init(AspeedMachineState *bmc)
421 {
422     /* Start with some devices on our I2C busses */
423     ast2500_evb_i2c_init(bmc);
424 }
425 
426 static void romulus_bmc_i2c_init(AspeedMachineState *bmc)
427 {
428     AspeedSoCState *soc = &bmc->soc;
429 
430     /* The romulus board expects Epson RX8900 I2C RTC but a ds1338 is
431      * good enough */
432     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
433 }
434 
435 static void swift_bmc_i2c_init(AspeedMachineState *bmc)
436 {
437     AspeedSoCState *soc = &bmc->soc;
438 
439     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 3), "pca9552", 0x60);
440 
441     /* The swift board expects a TMP275 but a TMP105 is compatible */
442     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), "tmp105", 0x48);
443     /* The swift board expects a pca9551 but a pca9552 is compatible */
444     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), "pca9552", 0x60);
445 
446     /* The swift board expects an Epson RX8900 RTC but a ds1338 is compatible */
447     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "ds1338", 0x32);
448     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "pca9552", 0x60);
449 
450     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "tmp423", 0x4c);
451     /* The swift board expects a pca9539 but a pca9552 is compatible */
452     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), "pca9552", 0x74);
453 
454     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "tmp423", 0x4c);
455     /* The swift board expects a pca9539 but a pca9552 is compatible */
456     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 10), "pca9552",
457                      0x74);
458 
459     /* The swift board expects a TMP275 but a TMP105 is compatible */
460     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 12), "tmp105", 0x48);
461     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 12), "tmp105", 0x4a);
462 }
463 
464 static void sonorapass_bmc_i2c_init(AspeedMachineState *bmc)
465 {
466     AspeedSoCState *soc = &bmc->soc;
467 
468     /* bus 2 : */
469     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2), "tmp105", 0x48);
470     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 2), "tmp105", 0x49);
471     /* bus 2 : pca9546 @ 0x73 */
472 
473     /* bus 3 : pca9548 @ 0x70 */
474 
475     /* bus 4 : */
476     uint8_t *eeprom4_54 = g_malloc0(8 * 1024);
477     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 4), 0x54,
478                           eeprom4_54);
479     /* PCA9539 @ 0x76, but PCA9552 is compatible */
480     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "pca9552", 0x76);
481     /* PCA9539 @ 0x77, but PCA9552 is compatible */
482     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "pca9552", 0x77);
483 
484     /* bus 6 : */
485     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), "tmp105", 0x48);
486     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 6), "tmp105", 0x49);
487     /* bus 6 : pca9546 @ 0x73 */
488 
489     /* bus 8 : */
490     uint8_t *eeprom8_56 = g_malloc0(8 * 1024);
491     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 8), 0x56,
492                           eeprom8_56);
493     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "pca9552", 0x60);
494     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 8), "pca9552", 0x61);
495     /* bus 8 : adc128d818 @ 0x1d */
496     /* bus 8 : adc128d818 @ 0x1f */
497 
498     /*
499      * bus 13 : pca9548 @ 0x71
500      *      - channel 3:
501      *          - tmm421 @ 0x4c
502      *          - tmp421 @ 0x4e
503      *          - tmp421 @ 0x4f
504      */
505 
506 }
507 
508 static void witherspoon_bmc_i2c_init(AspeedMachineState *bmc)
509 {
510     AspeedSoCState *soc = &bmc->soc;
511     uint8_t *eeprom_buf = g_malloc0(8 * 1024);
512     DeviceState *dev;
513 
514     /* Bus 3: TODO bmp280@77 */
515     /* Bus 3: TODO max31785@52 */
516     /* Bus 3: TODO dps310@76 */
517     dev = DEVICE(i2c_slave_new(TYPE_PCA9552, 0x60));
518     qdev_prop_set_string(dev, "description", "pca1");
519     i2c_slave_realize_and_unref(I2C_SLAVE(dev),
520                                 aspeed_i2c_get_bus(&soc->i2c, 3),
521                                 &error_fatal);
522 
523     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 4), "tmp423", 0x4c);
524     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 5), "tmp423", 0x4c);
525 
526     /* The Witherspoon expects a TMP275 but a TMP105 is compatible */
527     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), TYPE_TMP105,
528                      0x4a);
529 
530     /* The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
531      * good enough */
532     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
533 
534     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 11), 0x51,
535                           eeprom_buf);
536     dev = DEVICE(i2c_slave_new(TYPE_PCA9552, 0x60));
537     qdev_prop_set_string(dev, "description", "pca0");
538     i2c_slave_realize_and_unref(I2C_SLAVE(dev),
539                                 aspeed_i2c_get_bus(&soc->i2c, 11),
540                                 &error_fatal);
541     /* Bus 11: TODO ucd90160@64 */
542 }
543 
544 static bool aspeed_get_mmio_exec(Object *obj, Error **errp)
545 {
546     return ASPEED_MACHINE(obj)->mmio_exec;
547 }
548 
549 static void aspeed_set_mmio_exec(Object *obj, bool value, Error **errp)
550 {
551     ASPEED_MACHINE(obj)->mmio_exec = value;
552 }
553 
554 static void aspeed_machine_instance_init(Object *obj)
555 {
556     ASPEED_MACHINE(obj)->mmio_exec = false;
557 }
558 
559 static void aspeed_machine_class_props_init(ObjectClass *oc)
560 {
561     object_class_property_add_bool(oc, "execute-in-place",
562                                    aspeed_get_mmio_exec,
563                                    aspeed_set_mmio_exec);
564     object_class_property_set_description(oc, "execute-in-place",
565                            "boot directly from CE0 flash device");
566 }
567 
568 static int aspeed_soc_num_cpus(const char *soc_name)
569 {
570    AspeedSoCClass *sc = ASPEED_SOC_CLASS(object_class_by_name(soc_name));
571    return sc->num_cpus;
572 }
573 
574 static void aspeed_machine_class_init(ObjectClass *oc, void *data)
575 {
576     MachineClass *mc = MACHINE_CLASS(oc);
577     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
578 
579     mc->init = aspeed_machine_init;
580     mc->no_floppy = 1;
581     mc->no_cdrom = 1;
582     mc->no_parallel = 1;
583     mc->default_ram_id = "ram";
584     amc->macs_mask = ASPEED_MAC0_ON;
585 
586     aspeed_machine_class_props_init(oc);
587 }
588 
589 static void aspeed_machine_palmetto_class_init(ObjectClass *oc, void *data)
590 {
591     MachineClass *mc = MACHINE_CLASS(oc);
592     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
593 
594     mc->desc       = "OpenPOWER Palmetto BMC (ARM926EJ-S)";
595     amc->soc_name  = "ast2400-a1";
596     amc->hw_strap1 = PALMETTO_BMC_HW_STRAP1;
597     amc->fmc_model = "n25q256a";
598     amc->spi_model = "mx25l25635e";
599     amc->num_cs    = 1;
600     amc->i2c_init  = palmetto_bmc_i2c_init;
601     mc->default_ram_size       = 256 * MiB;
602     mc->default_cpus = mc->min_cpus = mc->max_cpus =
603         aspeed_soc_num_cpus(amc->soc_name);
604 };
605 
606 static void aspeed_machine_ast2500_evb_class_init(ObjectClass *oc, void *data)
607 {
608     MachineClass *mc = MACHINE_CLASS(oc);
609     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
610 
611     mc->desc       = "Aspeed AST2500 EVB (ARM1176)";
612     amc->soc_name  = "ast2500-a1";
613     amc->hw_strap1 = AST2500_EVB_HW_STRAP1;
614     amc->fmc_model = "w25q256";
615     amc->spi_model = "mx25l25635e";
616     amc->num_cs    = 1;
617     amc->i2c_init  = ast2500_evb_i2c_init;
618     mc->default_ram_size       = 512 * MiB;
619     mc->default_cpus = mc->min_cpus = mc->max_cpus =
620         aspeed_soc_num_cpus(amc->soc_name);
621 };
622 
623 static void aspeed_machine_romulus_class_init(ObjectClass *oc, void *data)
624 {
625     MachineClass *mc = MACHINE_CLASS(oc);
626     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
627 
628     mc->desc       = "OpenPOWER Romulus BMC (ARM1176)";
629     amc->soc_name  = "ast2500-a1";
630     amc->hw_strap1 = ROMULUS_BMC_HW_STRAP1;
631     amc->fmc_model = "n25q256a";
632     amc->spi_model = "mx66l1g45g";
633     amc->num_cs    = 2;
634     amc->i2c_init  = romulus_bmc_i2c_init;
635     mc->default_ram_size       = 512 * MiB;
636     mc->default_cpus = mc->min_cpus = mc->max_cpus =
637         aspeed_soc_num_cpus(amc->soc_name);
638 };
639 
640 static void aspeed_machine_sonorapass_class_init(ObjectClass *oc, void *data)
641 {
642     MachineClass *mc = MACHINE_CLASS(oc);
643     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
644 
645     mc->desc       = "OCP SonoraPass BMC (ARM1176)";
646     amc->soc_name  = "ast2500-a1";
647     amc->hw_strap1 = SONORAPASS_BMC_HW_STRAP1;
648     amc->fmc_model = "mx66l1g45g";
649     amc->spi_model = "mx66l1g45g";
650     amc->num_cs    = 2;
651     amc->i2c_init  = sonorapass_bmc_i2c_init;
652     mc->default_ram_size       = 512 * MiB;
653     mc->default_cpus = mc->min_cpus = mc->max_cpus =
654         aspeed_soc_num_cpus(amc->soc_name);
655 };
656 
657 static void aspeed_machine_swift_class_init(ObjectClass *oc, void *data)
658 {
659     MachineClass *mc = MACHINE_CLASS(oc);
660     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
661 
662     mc->desc       = "OpenPOWER Swift BMC (ARM1176)";
663     amc->soc_name  = "ast2500-a1";
664     amc->hw_strap1 = SWIFT_BMC_HW_STRAP1;
665     amc->fmc_model = "mx66l1g45g";
666     amc->spi_model = "mx66l1g45g";
667     amc->num_cs    = 2;
668     amc->i2c_init  = swift_bmc_i2c_init;
669     mc->default_ram_size       = 512 * MiB;
670     mc->default_cpus = mc->min_cpus = mc->max_cpus =
671         aspeed_soc_num_cpus(amc->soc_name);
672 };
673 
674 static void aspeed_machine_witherspoon_class_init(ObjectClass *oc, void *data)
675 {
676     MachineClass *mc = MACHINE_CLASS(oc);
677     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
678 
679     mc->desc       = "OpenPOWER Witherspoon BMC (ARM1176)";
680     amc->soc_name  = "ast2500-a1";
681     amc->hw_strap1 = WITHERSPOON_BMC_HW_STRAP1;
682     amc->fmc_model = "mx25l25635e";
683     amc->spi_model = "mx66l1g45g";
684     amc->num_cs    = 2;
685     amc->i2c_init  = witherspoon_bmc_i2c_init;
686     mc->default_ram_size = 512 * MiB;
687     mc->default_cpus = mc->min_cpus = mc->max_cpus =
688         aspeed_soc_num_cpus(amc->soc_name);
689 };
690 
691 static void aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)
692 {
693     MachineClass *mc = MACHINE_CLASS(oc);
694     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
695 
696     mc->desc       = "Aspeed AST2600 EVB (Cortex A7)";
697     amc->soc_name  = "ast2600-a1";
698     amc->hw_strap1 = AST2600_EVB_HW_STRAP1;
699     amc->hw_strap2 = AST2600_EVB_HW_STRAP2;
700     amc->fmc_model = "w25q512jv";
701     amc->spi_model = "mx66u51235f";
702     amc->num_cs    = 1;
703     amc->macs_mask  = ASPEED_MAC1_ON | ASPEED_MAC2_ON | ASPEED_MAC3_ON;
704     amc->i2c_init  = ast2600_evb_i2c_init;
705     mc->default_ram_size = 1 * GiB;
706     mc->default_cpus = mc->min_cpus = mc->max_cpus =
707         aspeed_soc_num_cpus(amc->soc_name);
708 };
709 
710 static void aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)
711 {
712     MachineClass *mc = MACHINE_CLASS(oc);
713     AspeedMachineClass *amc = ASPEED_MACHINE_CLASS(oc);
714 
715     mc->desc       = "OpenPOWER Tacoma BMC (Cortex A7)";
716     amc->soc_name  = "ast2600-a1";
717     amc->hw_strap1 = TACOMA_BMC_HW_STRAP1;
718     amc->hw_strap2 = TACOMA_BMC_HW_STRAP2;
719     amc->fmc_model = "mx66l1g45g";
720     amc->spi_model = "mx66l1g45g";
721     amc->num_cs    = 2;
722     amc->macs_mask  = ASPEED_MAC2_ON;
723     amc->i2c_init  = witherspoon_bmc_i2c_init; /* Same board layout */
724     mc->default_ram_size = 1 * GiB;
725     mc->default_cpus = mc->min_cpus = mc->max_cpus =
726         aspeed_soc_num_cpus(amc->soc_name);
727 };
728 
729 static const TypeInfo aspeed_machine_types[] = {
730     {
731         .name          = MACHINE_TYPE_NAME("palmetto-bmc"),
732         .parent        = TYPE_ASPEED_MACHINE,
733         .class_init    = aspeed_machine_palmetto_class_init,
734     }, {
735         .name          = MACHINE_TYPE_NAME("ast2500-evb"),
736         .parent        = TYPE_ASPEED_MACHINE,
737         .class_init    = aspeed_machine_ast2500_evb_class_init,
738     }, {
739         .name          = MACHINE_TYPE_NAME("romulus-bmc"),
740         .parent        = TYPE_ASPEED_MACHINE,
741         .class_init    = aspeed_machine_romulus_class_init,
742     }, {
743         .name          = MACHINE_TYPE_NAME("swift-bmc"),
744         .parent        = TYPE_ASPEED_MACHINE,
745         .class_init    = aspeed_machine_swift_class_init,
746     }, {
747         .name          = MACHINE_TYPE_NAME("sonorapass-bmc"),
748         .parent        = TYPE_ASPEED_MACHINE,
749         .class_init    = aspeed_machine_sonorapass_class_init,
750     }, {
751         .name          = MACHINE_TYPE_NAME("witherspoon-bmc"),
752         .parent        = TYPE_ASPEED_MACHINE,
753         .class_init    = aspeed_machine_witherspoon_class_init,
754     }, {
755         .name          = MACHINE_TYPE_NAME("ast2600-evb"),
756         .parent        = TYPE_ASPEED_MACHINE,
757         .class_init    = aspeed_machine_ast2600_evb_class_init,
758     }, {
759         .name          = MACHINE_TYPE_NAME("tacoma-bmc"),
760         .parent        = TYPE_ASPEED_MACHINE,
761         .class_init    = aspeed_machine_tacoma_class_init,
762     }, {
763         .name          = TYPE_ASPEED_MACHINE,
764         .parent        = TYPE_MACHINE,
765         .instance_size = sizeof(AspeedMachineState),
766         .instance_init = aspeed_machine_instance_init,
767         .class_size    = sizeof(AspeedMachineClass),
768         .class_init    = aspeed_machine_class_init,
769         .abstract      = true,
770     }
771 };
772 
773 DEFINE_TYPES(aspeed_machine_types)
774