aspeed/soc: Support eMMC for AST2700

Add SDHCI model for AST2700 eMMC support. The eMMC controller only support 1
slot and registers base address is start at 0x1209_0000 and its interrupt is
connected to GICINT 15.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20241204084453.610660-7-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

diff --git a/hw/arm/aspeed_ast27x0.c b/hw/arm/aspeed_ast27x0.c
index baddd35ecf7d57c69f85135e422bf8e63f105b23..23571584b2f614b74a9ca8bf693f9c68d3c1b4a4 100644 (file)
--- a/hw/arm/aspeed_ast27x0.c
+++ b/hw/arm/aspeed_ast27x0.c
@@ -391,6 +391,12 @@ static void aspeed_soc_ast2700_init(Object *obj)
     /* Init sd card slot class here so that they're under the correct parent */
     object_initialize_child(obj, "sd-controller.sdhci",
                             &s->sdhci.slots[0], TYPE_SYSBUS_SDHCI);
+
+    object_initialize_child(obj, "emmc-controller", &s->emmc, typename);
+    object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
+
+    object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
+                            TYPE_SYSBUS_SDHCI);
 }
 
 /*
@@ -701,6 +707,15 @@ static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
 
+    /* eMMC */
+    if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
+        return;
+    }
+    aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->emmc), 0,
+                    sc->memmap[ASPEED_DEV_EMMC]);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
+                       aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
+
     create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
     create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
     create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);