aspeed queue:

* SMC model fix (Coverity)
 * AST2600 boot for eMMC support and test
 * AST2700 ADC model
 * I2C model changes preparing AST2700 I2C support
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Merge tag 'pull-aspeed-20240721' of https://github.com/legoater/qemu into staging

aspeed queue:

* SMC model fix (Coverity)
* AST2600 boot for eMMC support and test
* AST2700 ADC model
* I2C model changes preparing AST2700 I2C support

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# gpg: Signature made Sun 21 Jul 2024 06:07:48 PM AEST
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20240721' of https://github.com/legoater/qemu:
  aspeed: fix coding style
  hw/i2c/aspeed: rename the I2C class pool attribute to share_pool
  hw/i2c/aspeed: support to set the different memory size
  aspeed/soc: support ADC for AST2700
  aspeed/adc: Add AST2700 support
  tests/avocado/machine_aspeed.py: Add eMMC boot tests
  aspeed: Introduce a 'boot-emmc' machine option
  aspeed: Introduce a 'hw_strap1' machine attribute
  aspeed: Add boot-from-eMMC HW strapping bit to rainier-bmc machine
  aspeed: Tune eMMC device properties to reflect HW strapping
  aspeed: Introduce a AspeedSoCClass 'boot_from_emmc' handler
  aspeed/scu: Add boot-from-eMMC HW strapping bit for AST2600 SoC
  aspeed: Load eMMC first boot area as a boot rom
  aspeed: Change type of eMMC device
  aspeed/smc: Fix possible integer overflow

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

docs/system/arm/aspeed.rst

@@ -123,6 +123,8 @@ To boot the machine from the flash image, use an MTD drive :
 
 Options specific to Aspeed machines are :
 
+ * ``boot-emmc`` to set or unset boot from eMMC (AST2600).
+
  * ``execute-in-place`` which emulates the boot from the CE0 flash
    device by using the FMC controller to load the instructions, and
    not simply from RAM. This takes a little longer.

hw/adc/aspeed_adc.c

@@ -398,6 +398,15 @@ static void aspeed_1030_adc_class_init(ObjectClass *klass, void *data)
     aac->nr_engines = 2;
 }
 
+static void aspeed_2700_adc_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    AspeedADCClass *aac = ASPEED_ADC_CLASS(klass);
+
+    dc->desc = "ASPEED 2700 ADC Controller";
+    aac->nr_engines = 2;
+}
+
 static const TypeInfo aspeed_adc_info = {
     .name = TYPE_ASPEED_ADC,
     .parent = TYPE_SYS_BUS_DEVICE,
@@ -430,6 +439,12 @@ static const TypeInfo aspeed_1030_adc_info = {
     .class_init = aspeed_1030_adc_class_init, /* No change since AST2600 */
 };
 
+static const TypeInfo aspeed_2700_adc_info = {
+    .name = TYPE_ASPEED_2700_ADC,
+    .parent = TYPE_ASPEED_ADC,
+    .class_init = aspeed_2700_adc_class_init,
+};
+
 static void aspeed_adc_register_types(void)
 {
     type_register_static(&aspeed_adc_engine_info);
@@ -438,6 +453,7 @@ static void aspeed_adc_register_types(void)
     type_register_static(&aspeed_2500_adc_info);
     type_register_static(&aspeed_2600_adc_info);
     type_register_static(&aspeed_1030_adc_info);
+    type_register_static(&aspeed_2700_adc_info);
 }
 
 type_init(aspeed_adc_register_types);

hw/arm/aspeed.c

@@ -46,6 +46,7 @@ struct AspeedMachineState {
     uint32_t uart_chosen;
     char *fmc_model;
     char *spi_model;
+    uint32_t hw_strap1;
 };
 
 /* On 32-bit hosts, lower RAM to 1G because of the 2047 MB limit */
@@ -189,7 +190,7 @@ struct AspeedMachineState {
 #define TACOMA_BMC_HW_STRAP2  0x00000040
 
 /* Rainier hardware value: (QEMU prototype) */
-#define RAINIER_BMC_HW_STRAP1 0x00422016
+#define RAINIER_BMC_HW_STRAP1 (0x00422016 | SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC)
 #define RAINIER_BMC_HW_STRAP2 0x80000848
 
 /* Fuji hardware value */
@@ -265,7 +266,8 @@ static void write_boot_rom(BlockBackend *blk, hwaddr addr, size_t rom_size,
     g_autofree void *storage = NULL;
     int64_t size;
 
-    /* The block backend size should have already been 'validated' by
+    /*
+     * The block backend size should have already been 'validated' by
      * the creation of the m25p80 object.
      */
     size = blk_getlength(blk);
@@ -327,14 +329,20 @@ void aspeed_board_init_flashes(AspeedSMCState *s, const char *flashtype,
     }
 }
 
-static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo)
+static void sdhci_attach_drive(SDHCIState *sdhci, DriveInfo *dinfo, bool emmc,
+                               bool boot_emmc)
 {
         DeviceState *card;
 
         if (!dinfo) {
             return;
         }
-        card = qdev_new(TYPE_SD_CARD);
+        card = qdev_new(emmc ? TYPE_EMMC : TYPE_SD_CARD);
+        if (emmc) {
+            qdev_prop_set_uint64(card, "boot-partition-size", 1 * MiB);
+            qdev_prop_set_uint8(card, "boot-config",
+                                boot_emmc ? 0x1 << 3 : 0x0);
+        }
         qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
                                 &error_fatal);
         qdev_realize_and_unref(card,
@@ -364,6 +372,8 @@ static void aspeed_machine_init(MachineState *machine)
     AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(machine);
     AspeedSoCClass *sc;
     int i;
+    DriveInfo *emmc0 = NULL;
+    bool boot_emmc;
 
     bmc->soc = ASPEED_SOC(object_new(amc->soc_name));
     object_property_add_child(OBJECT(machine), "soc", OBJECT(bmc->soc));
@@ -385,7 +395,7 @@ static void aspeed_machine_init(MachineState *machine)
         }
     }
 
-    object_property_set_int(OBJECT(bmc->soc), "hw-strap1", amc->hw_strap1,
+    object_property_set_int(OBJECT(bmc->soc), "hw-strap1", bmc->hw_strap1,
                             &error_abort);
     object_property_set_int(OBJECT(bmc->soc), "hw-strap2", amc->hw_strap2,
                             &error_abort);
@@ -436,21 +446,25 @@ static void aspeed_machine_init(MachineState *machine)
 
     for (i = 0; i < bmc->soc->sdhci.num_slots; i++) {
         sdhci_attach_drive(&bmc->soc->sdhci.slots[i],
-                           drive_get(IF_SD, 0, i));
+                           drive_get(IF_SD, 0, i), false, false);
     }
 
+    boot_emmc = sc->boot_from_emmc(bmc->soc);
+
     if (bmc->soc->emmc.num_slots) {
-        sdhci_attach_drive(&bmc->soc->emmc.slots[0],
+        emmc0 = drive_get(IF_SD, 0, bmc->soc->sdhci.num_slots);
-                           drive_get(IF_SD, 0, bmc->soc->sdhci.num_slots));
+        sdhci_attach_drive(&bmc->soc->emmc.slots[0], emmc0, true, boot_emmc);
     }
 
     if (!bmc->mmio_exec) {
         DeviceState *dev = ssi_get_cs(bmc->soc->fmc.spi, 0);
         BlockBackend *fmc0 = dev ? m25p80_get_blk(dev) : NULL;
 
-        if (fmc0) {
+        if (fmc0 && !boot_emmc) {
             uint64_t rom_size = memory_region_size(&bmc->soc->spi_boot);
             aspeed_install_boot_rom(bmc, fmc0, rom_size);
+        } else if (emmc0) {
+            aspeed_install_boot_rom(bmc, blk_by_legacy_dinfo(emmc0), 64 * KiB);
         }
     }
 
@@ -463,8 +477,10 @@ static void palmetto_bmc_i2c_init(AspeedMachineState *bmc)
     DeviceState *dev;
     uint8_t *eeprom_buf = g_malloc0(32 * 1024);
 
-    /* The palmetto platform expects a ds3231 RTC but a ds1338 is
+    /*
-     * enough to provide basic RTC features. Alarms will be missing */
+     * The palmetto platform expects a ds3231 RTC but a ds1338 is
+     * enough to provide basic RTC features. Alarms will be missing
+     */
     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 0), "ds1338", 0x68);
 
     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50,
@@ -555,8 +571,10 @@ static void romulus_bmc_i2c_init(AspeedMachineState *bmc)
 {
     AspeedSoCState *soc = bmc->soc;
 
-    /* The romulus board expects Epson RX8900 I2C RTC but a ds1338 is
+    /*
-     * good enough */
+     * The romulus board expects Epson RX8900 I2C RTC but a ds1338 is
+     * good enough
+     */
     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
 }
 
@@ -664,8 +682,10 @@ static void witherspoon_bmc_i2c_init(AspeedMachineState *bmc)
     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 9), TYPE_TMP105,
                      0x4a);
 
-    /* The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
+    /*
-     * good enough */
+     * The witherspoon board expects Epson RX8900 I2C RTC but a ds1338 is
+     * good enough
+     */
     i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32);
 
     smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 11), 0x51,
@@ -1065,7 +1085,10 @@ static void aspeed_set_mmio_exec(Object *obj, bool value, Error **errp)
 
 static void aspeed_machine_instance_init(Object *obj)
 {
+    AspeedMachineClass *amc = ASPEED_MACHINE_GET_CLASS(obj);
+
     ASPEED_MACHINE(obj)->mmio_exec = false;
+    ASPEED_MACHINE(obj)->hw_strap1 = amc->hw_strap1;
 }
 
 static char *aspeed_get_fmc_model(Object *obj, Error **errp)
@@ -1162,6 +1185,34 @@ static void aspeed_machine_class_init_cpus_defaults(MachineClass *mc)
     mc->valid_cpu_types = sc->valid_cpu_types;
 }
 
+static bool aspeed_machine_ast2600_get_boot_from_emmc(Object *obj, Error **errp)
+{
+    AspeedMachineState *bmc = ASPEED_MACHINE(obj);
+
+    return !!(bmc->hw_strap1 & SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC);
+}
+
+static void aspeed_machine_ast2600_set_boot_from_emmc(Object *obj, bool value,
+                                                      Error **errp)
+{
+    AspeedMachineState *bmc = ASPEED_MACHINE(obj);
+
+    if (value) {
+        bmc->hw_strap1 |= SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC;
+    } else {
+        bmc->hw_strap1 &= ~SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC;
+    }
+}
+
+static void aspeed_machine_ast2600_class_emmc_init(ObjectClass *oc)
+{
+    object_class_property_add_bool(oc, "boot-emmc",
+                                   aspeed_machine_ast2600_get_boot_from_emmc,
+                                   aspeed_machine_ast2600_set_boot_from_emmc);
+    object_class_property_set_description(oc, "boot-emmc",
+                                          "Set or unset boot from EMMC");
+}
+
 static void aspeed_machine_class_init(ObjectClass *oc, void *data)
 {
     MachineClass *mc = MACHINE_CLASS(oc);
@@ -1361,6 +1412,7 @@ static void aspeed_machine_ast2600_evb_class_init(ObjectClass *oc, void *data)
     amc->i2c_init  = ast2600_evb_i2c_init;
     mc->default_ram_size = 1 * GiB;
     aspeed_machine_class_init_cpus_defaults(mc);
+    aspeed_machine_ast2600_class_emmc_init(oc);
 };
 
 static void aspeed_machine_tacoma_class_init(ObjectClass *oc, void *data)
@@ -1433,6 +1485,7 @@ static void aspeed_machine_rainier_class_init(ObjectClass *oc, void *data)
     amc->i2c_init  = rainier_bmc_i2c_init;
     mc->default_ram_size = 1 * GiB;
     aspeed_machine_class_init_cpus_defaults(mc);
+    aspeed_machine_ast2600_class_emmc_init(oc);
 };
 
 #define FUJI_BMC_RAM_SIZE ASPEED_RAM_SIZE(2 * GiB)

hw/arm/aspeed_ast2600.c

@@ -646,6 +646,13 @@ static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static bool aspeed_soc_ast2600_boot_from_emmc(AspeedSoCState *s)
+{
+    uint32_t hw_strap1 = object_property_get_uint(OBJECT(&s->scu),
+                                                  "hw-strap1", &error_abort);
+    return !!(hw_strap1 & SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC);
+}
+
 static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
 {
     static const char * const valid_cpu_types[] = {
@@ -673,6 +680,7 @@ static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
     sc->memmap       = aspeed_soc_ast2600_memmap;
     sc->num_cpus     = 2;
     sc->get_irq      = aspeed_soc_ast2600_get_irq;
+    sc->boot_from_emmc = aspeed_soc_ast2600_boot_from_emmc;
 }
 
 static const TypeInfo aspeed_soc_ast2600_types[] = {

hw/arm/aspeed_ast27x0.c

@@ -60,6 +60,7 @@ static const hwaddr aspeed_soc_ast2700_memmap[] = {
     [ASPEED_DEV_SLIIO]     =  0x14C1E000,
     [ASPEED_GIC_DIST]      =  0x12200000,
     [ASPEED_GIC_REDIST]    =  0x12280000,
+    [ASPEED_DEV_ADC]       =  0x14C00000,
 };
 
 #define AST2700_MAX_IRQ 288
@@ -344,6 +345,9 @@ static void aspeed_soc_ast2700_init(Object *obj)
     object_initialize_child(obj, "sli", &s->sli, TYPE_ASPEED_2700_SLI);
     object_initialize_child(obj, "sliio", &s->sliio, TYPE_ASPEED_2700_SLIIO);
     object_initialize_child(obj, "intc", &a->intc, TYPE_ASPEED_2700_INTC);
+
+    snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
+    object_initialize_child(obj, "adc", &s->adc, typename);
 }
 
 /*
@@ -601,6 +605,14 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sliio), 0,
                     sc->memmap[ASPEED_DEV_SLIIO]);
 
+    /* ADC */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
+        return;
+    }
+    aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
+                       aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
+
     create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
     create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
     create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);

hw/arm/aspeed_soc_common.c

@@ -134,6 +134,11 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static bool aspeed_soc_boot_from_emmc(AspeedSoCState *s)
+{
+    return false;
+}
+
 static Property aspeed_soc_properties[] = {
     DEFINE_PROP_LINK("dram", AspeedSoCState, dram_mr, TYPE_MEMORY_REGION,
                      MemoryRegion *),
@@ -145,9 +150,11 @@ static Property aspeed_soc_properties[] = {
 static void aspeed_soc_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
+    AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
 
     dc->realize = aspeed_soc_realize;
     device_class_set_props(dc, aspeed_soc_properties);
+    sc->boot_from_emmc = aspeed_soc_boot_from_emmc;
 }
 
 static const TypeInfo aspeed_soc_types[] = {

hw/i2c/aspeed_i2c.c

@@ -906,7 +906,7 @@ static const MemoryRegionOps aspeed_i2c_ctrl_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
-static uint64_t aspeed_i2c_pool_read(void *opaque, hwaddr offset,
+static uint64_t aspeed_i2c_share_pool_read(void *opaque, hwaddr offset,
                                      unsigned size)
 {
     AspeedI2CState *s = opaque;
@@ -914,26 +914,26 @@ static uint64_t aspeed_i2c_pool_read(void *opaque, hwaddr offset,
     int i;
 
     for (i = 0; i < size; i++) {
-        ret |= (uint64_t) s->pool[offset + i] << (8 * i);
+        ret |= (uint64_t) s->share_pool[offset + i] << (8 * i);
     }
 
     return ret;
 }
 
-static void aspeed_i2c_pool_write(void *opaque, hwaddr offset,
+static void aspeed_i2c_share_pool_write(void *opaque, hwaddr offset,
                                   uint64_t value, unsigned size)
 {
     AspeedI2CState *s = opaque;
     int i;
 
     for (i = 0; i < size; i++) {
-        s->pool[offset + i] = (value >> (8 * i)) & 0xFF;
+        s->share_pool[offset + i] = (value >> (8 * i)) & 0xFF;
     }
 }
 
-static const MemoryRegionOps aspeed_i2c_pool_ops = {
+static const MemoryRegionOps aspeed_i2c_share_pool_ops = {
-    .read = aspeed_i2c_pool_read,
+    .read = aspeed_i2c_share_pool_read,
-    .write = aspeed_i2c_pool_write,
+    .write = aspeed_i2c_share_pool_write,
     .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 1,
@@ -953,14 +953,15 @@ static const VMStateDescription aspeed_i2c_bus_vmstate = {
 
 static const VMStateDescription aspeed_i2c_vmstate = {
     .name = TYPE_ASPEED_I2C,
-    .version_id = 2,
+    .version_id = 3,
-    .minimum_version_id = 2,
+    .minimum_version_id = 3,
     .fields = (const VMStateField[]) {
         VMSTATE_UINT32(intr_status, AspeedI2CState),
         VMSTATE_STRUCT_ARRAY(busses, AspeedI2CState,
                              ASPEED_I2C_NR_BUSSES, 1, aspeed_i2c_bus_vmstate,
                              AspeedI2CBus),
-        VMSTATE_UINT8_ARRAY(pool, AspeedI2CState, ASPEED_I2C_MAX_POOL_SIZE),
+        VMSTATE_UINT8_ARRAY(share_pool, AspeedI2CState,
+                            ASPEED_I2C_SHARE_POOL_SIZE),
         VMSTATE_END_OF_LIST()
     }
 };
@@ -995,7 +996,7 @@ static void aspeed_i2c_instance_init(Object *obj)
  *   0x140 ... 0x17F: Device 5
  *   0x180 ... 0x1BF: Device 6
  *   0x1C0 ... 0x1FF: Device 7
- *   0x200 ... 0x2FF: Buffer Pool  (unused in linux driver)
+ *   0x200 ... 0x2FF: Buffer Pool (AST2500 unused in linux driver)
  *   0x300 ... 0x33F: Device 8
  *   0x340 ... 0x37F: Device 9
  *   0x380 ... 0x3BF: Device 10
@@ -1003,7 +1004,7 @@ static void aspeed_i2c_instance_init(Object *obj)
  *   0x400 ... 0x43F: Device 12
  *   0x440 ... 0x47F: Device 13
  *   0x480 ... 0x4BF: Device 14
- *   0x800 ... 0xFFF: Buffer Pool  (unused in linux driver)
+ *   0x800 ... 0xFFF: Buffer Pool (AST2400 unused in linux driver)
  */
 static void aspeed_i2c_realize(DeviceState *dev, Error **errp)
 {
@@ -1014,7 +1015,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp)
 
     sysbus_init_irq(sbd, &s->irq);
     memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s,
-                          "aspeed.i2c", 0x1000);
+                          "aspeed.i2c", aic->mem_size);
     sysbus_init_mmio(sbd, &s->iomem);
 
     for (i = 0; i < aic->num_busses; i++) {
@@ -1037,8 +1038,9 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp)
                                     &s->busses[i].mr);
     }
 
-    memory_region_init_io(&s->pool_iomem, OBJECT(s), &aspeed_i2c_pool_ops, s,
+    memory_region_init_io(&s->pool_iomem, OBJECT(s),
-                          "aspeed.i2c-pool", aic->pool_size);
+                          &aspeed_i2c_share_pool_ops, s,
+                          "aspeed.i2c-share-pool", aic->pool_size);
     memory_region_add_subregion(&s->iomem, aic->pool_base, &s->pool_iomem);
 
     if (aic->has_dma) {
@@ -1266,7 +1268,8 @@ static qemu_irq aspeed_2400_i2c_bus_get_irq(AspeedI2CBus *bus)
 static uint8_t *aspeed_2400_i2c_bus_pool_base(AspeedI2CBus *bus)
 {
     uint8_t *pool_page =
-        &bus->controller->pool[ARRAY_FIELD_EX32(bus->regs, I2CD_FUN_CTRL,
+        &bus->controller->share_pool[ARRAY_FIELD_EX32(bus->regs,
+                                                      I2CD_FUN_CTRL,
                                                       POOL_PAGE_SEL) * 0x100];
 
     return &pool_page[ARRAY_FIELD_EX32(bus->regs, I2CD_POOL_CTRL, OFFSET)];
@@ -1286,6 +1289,7 @@ static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_size = 0x800;
     aic->pool_base = 0x800;
     aic->bus_pool_base = aspeed_2400_i2c_bus_pool_base;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2400_i2c_info = {
@@ -1301,7 +1305,7 @@ static qemu_irq aspeed_2500_i2c_bus_get_irq(AspeedI2CBus *bus)
 
 static uint8_t *aspeed_2500_i2c_bus_pool_base(AspeedI2CBus *bus)
 {
-    return &bus->controller->pool[bus->id * 0x10];
+    return &bus->controller->share_pool[bus->id * 0x10];
 }
 
 static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data)
@@ -1320,6 +1324,7 @@ static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data)
     aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base;
     aic->check_sram = true;
     aic->has_dma = true;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2500_i2c_info = {
@@ -1335,7 +1340,7 @@ static qemu_irq aspeed_2600_i2c_bus_get_irq(AspeedI2CBus *bus)
 
 static uint8_t *aspeed_2600_i2c_bus_pool_base(AspeedI2CBus *bus)
 {
-   return &bus->controller->pool[bus->id * 0x20];
+   return &bus->controller->share_pool[bus->id * 0x20];
 }
 
 static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data)
@@ -1353,6 +1358,7 @@ static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_base = 0xC00;
     aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base;
     aic->has_dma = true;
+    aic->mem_size = 0x1000;
 }
 
 static const TypeInfo aspeed_2600_i2c_info = {
@@ -1376,6 +1382,7 @@ static void aspeed_1030_i2c_class_init(ObjectClass *klass, void *data)
     aic->pool_base = 0xC00;
     aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base;
     aic->has_dma = true;
+    aic->mem_size = 0x10000;
 }
 
 static const TypeInfo aspeed_1030_i2c_info = {

hw/ssi/aspeed_smc.c

@@ -789,8 +789,7 @@ static uint8_t aspeed_smc_hclk_divisor(uint8_t hclk_mask)
         }
     }
 
-    aspeed_smc_error("invalid HCLK mask %x", hclk_mask);
+    g_assert_not_reached();
-    return 0;
 }
 
 /*

include/hw/adc/aspeed_adc.h

@@ -18,6 +18,7 @@
 #define TYPE_ASPEED_2500_ADC TYPE_ASPEED_ADC "-ast2500"
 #define TYPE_ASPEED_2600_ADC TYPE_ASPEED_ADC "-ast2600"
 #define TYPE_ASPEED_1030_ADC TYPE_ASPEED_ADC "-ast1030"
+#define TYPE_ASPEED_2700_ADC TYPE_ASPEED_ADC "-ast2700"
 OBJECT_DECLARE_TYPE(AspeedADCState, AspeedADCClass, ASPEED_ADC)
 
 #define TYPE_ASPEED_ADC_ENGINE "aspeed.adc.engine"

include/hw/arm/aspeed_soc.h

@@ -164,6 +164,7 @@ struct AspeedSoCClass {
     const hwaddr *memmap;
     uint32_t num_cpus;
     qemu_irq (*get_irq)(AspeedSoCState *s, int dev);
+    bool (*boot_from_emmc)(AspeedSoCState *s);
 };
 
 const char *aspeed_soc_cpu_type(AspeedSoCClass *sc);

include/hw/i2c/aspeed_i2c.h

@@ -34,7 +34,7 @@
 OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C)
 
 #define ASPEED_I2C_NR_BUSSES 16
-#define ASPEED_I2C_MAX_POOL_SIZE 0x800
+#define ASPEED_I2C_SHARE_POOL_SIZE 0x800
 #define ASPEED_I2C_OLD_NUM_REG 11
 #define ASPEED_I2C_NEW_NUM_REG 22
 
@@ -257,7 +257,7 @@ struct AspeedI2CState {
     uint32_t ctrl_global;
     uint32_t new_clk_divider;
     MemoryRegion pool_iomem;
-    uint8_t pool[ASPEED_I2C_MAX_POOL_SIZE];
+    uint8_t share_pool[ASPEED_I2C_SHARE_POOL_SIZE];
 
     AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES];
     MemoryRegion *dram_mr;
@@ -283,7 +283,7 @@ struct AspeedI2CClass {
     uint8_t *(*bus_pool_base)(AspeedI2CBus *);
     bool check_sram;
     bool has_dma;
-
+    uint64_t mem_size;
 };
 
 static inline bool aspeed_i2c_is_new_mode(AspeedI2CState *s)

include/hw/misc/aspeed_scu.h

@@ -349,6 +349,10 @@ uint32_t aspeed_scu_get_apb_freq(AspeedSCUState *s);
 #define SCU_AST2600_H_PLL_BYPASS_EN                        (0x1 << 24)
 #define SCU_AST2600_H_PLL_OFF                              (0x1 << 23)
 
+/* STRAP1 SCU500 */
+#define SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC            (0x1 << 2)
+#define SCU_AST2600_HW_STRAP_BOOT_SRC_SPI             (0x0 << 2)
+
 /*
  * SCU310   Clock Selection Register Set 4 (for Aspeed AST1030 SOC)
  *

tests/avocado/machine_aspeed.py

@@ -439,3 +439,42 @@ class AST2x00MachineSDK(QemuSystemTest, LinuxSSHMixIn):
         self.wait_for_console_pattern('nodistro.0 ast2700-default ttyS12')
         self.ssh_connect('root', '0penBmc', False)
 
+class AST2x00MachineMMC(QemuSystemTest):
+
+    timeout = 240
+
+    def wait_for_console_pattern(self, success_message, vm=None):
+        wait_for_console_pattern(self, success_message,
+                                 failure_message='Kernel panic - not syncing',
+                                 vm=vm)
+
+    def test_arm_aspeed_emmc_boot(self):
+        """
+        :avocado: tags=arch:arm
+        :avocado: tags=machine:rainier-bmc
+        :avocado: tags=device:emmc
+        """
+
+        image_url = ('https://fileserver.linaro.org/s/B6pJTwWEkzSDi36/download/'
+                     'mmc-p10bmc-20240617.qcow2')
+        image_hash = ('d523fb478d2b84d5adc5658d08502bc64b1486955683814f89c6137518acd90b')
+        image_path = self.fetch_asset(image_url, asset_hash=image_hash,
+                                      algorithm='sha256')
+
+        self.require_netdev('user')
+
+        self.vm.set_console()
+        self.vm.add_args('-drive',
+                         'file=' + image_path + ',if=sd,id=sd2,index=2',
+                         '-net', 'nic', '-net', 'user')
+        self.vm.launch()
+
+        self.wait_for_console_pattern('U-Boot SPL 2019.04')
+        self.wait_for_console_pattern('Trying to boot from MMC1')
+        self.wait_for_console_pattern('U-Boot 2019.04')
+        self.wait_for_console_pattern('eMMC 2nd Boot')
+        self.wait_for_console_pattern('## Loading kernel from FIT Image')
+        self.wait_for_console_pattern('Starting kernel ...')
+        self.wait_for_console_pattern('Booting Linux on physical CPU 0xf00')
+        self.wait_for_console_pattern('mmcblk0: p1 p2 p3 p4 p5 p6 p7')
+        self.wait_for_console_pattern('IBM eBMC (OpenBMC for IBM Enterprise')