diff --git a/src/soc/amd/glinda/chipset.cb b/src/soc/amd/glinda/chipset.cb
index a76be1ad31..321ecb75af 100644
--- a/src/soc/amd/glinda/chipset.cb
+++ b/src/soc/amd/glinda/chipset.cb
@@ -148,4 +148,8 @@ chip soc/amd/glinda
 	device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end
 	device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end
 	device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end
+	device mmio 0xfedd2000 alias i3c_0 off end
+	device mmio 0xfedd3000 alias i3c_1 off end
+	device mmio 0xfedd4000 alias i3c_2 off end
+	device mmio 0xfedd6000 alias i3c_3 off end
 end
diff --git a/src/soc/amd/glinda/include/soc/iomap.h b/src/soc/amd/glinda/include/soc/iomap.h
index eb4b58100b..bb68e17ed4 100644
--- a/src/soc/amd/glinda/include/soc/iomap.h
+++ b/src/soc/amd/glinda/include/soc/iomap.h
@@ -33,6 +33,11 @@
 #define APU_DMAC4_BASE			0xfedd0000
 #define APU_UART4_BASE			0xfedd1000
 
+#define APU_I3C0_BASE			0xfedd2000
+#define APU_I3C1_BASE			0xfedd3000
+#define APU_I3C2_BASE			0xfedd4000
+#define APU_I3C3_BASE			0xfedd6000
+
 #endif /* ENV_X86 */
 
 #define FLASH_BASE_ADDR			((0xffffffff - CONFIG_ROM_SIZE) + 1)
diff --git a/src/soc/amd/mendocino/chipset_mendocino.cb b/src/soc/amd/mendocino/chipset_mendocino.cb
index 3458caed06..81a7932e4a 100644
--- a/src/soc/amd/mendocino/chipset_mendocino.cb
+++ b/src/soc/amd/mendocino/chipset_mendocino.cb
@@ -93,4 +93,8 @@ chip soc/amd/mendocino
 	device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end
 	device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end
 	device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end
+	device mmio 0xfedd2000 alias i3c_0 off end
+	device mmio 0xfedd3000 alias i3c_1 off end
+	device mmio 0xfedd4000 alias i3c_2 off end
+	device mmio 0xfedd6000 alias i3c_3 off end
 end
diff --git a/src/soc/amd/mendocino/chipset_rembrandt.cb b/src/soc/amd/mendocino/chipset_rembrandt.cb
index aef0a8978b..cb549cf03a 100644
--- a/src/soc/amd/mendocino/chipset_rembrandt.cb
+++ b/src/soc/amd/mendocino/chipset_rembrandt.cb
@@ -96,4 +96,8 @@ chip soc/amd/mendocino
 	device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end
 	device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end
 	device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end
+	device mmio 0xfedd2000 alias i3c_0 off end
+	device mmio 0xfedd3000 alias i3c_1 off end
+	device mmio 0xfedd4000 alias i3c_2 off end
+	device mmio 0xfedd6000 alias i3c_3 off end
 end
diff --git a/src/soc/amd/mendocino/include/soc/iomap.h b/src/soc/amd/mendocino/include/soc/iomap.h
index d70773dfce..bffdb5f6a9 100644
--- a/src/soc/amd/mendocino/include/soc/iomap.h
+++ b/src/soc/amd/mendocino/include/soc/iomap.h
@@ -33,6 +33,11 @@
 #define APU_DMAC4_BASE			0xfedd0000
 #define APU_UART4_BASE			0xfedd1000
 
+#define APU_I3C0_BASE			0xfedd2000
+#define APU_I3C1_BASE			0xfedd3000
+#define APU_I3C2_BASE			0xfedd4000
+#define APU_I3C3_BASE			0xfedd6000
+
 #endif /* ENV_X86 */
 
 #define FLASH_BASE_ADDR			((0xffffffff - CONFIG_ROM_SIZE) + 1)
diff --git a/src/soc/amd/phoenix/chipset_fsp.cb b/src/soc/amd/phoenix/chipset_fsp.cb
index d461ac5d49..de05cbf794 100644
--- a/src/soc/amd/phoenix/chipset_fsp.cb
+++ b/src/soc/amd/phoenix/chipset_fsp.cb
@@ -145,4 +145,8 @@ chip soc/amd/phoenix
 	device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end
 	device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end
 	device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end
+	device mmio 0xfedd2000 alias i3c_0 off end
+	device mmio 0xfedd3000 alias i3c_1 off end
+	device mmio 0xfedd4000 alias i3c_2 off end
+	device mmio 0xfedd6000 alias i3c_3 off end
 end
diff --git a/src/soc/amd/phoenix/chipset_opensil.cb b/src/soc/amd/phoenix/chipset_opensil.cb
index fd1563b670..c2ea6c0680 100644
--- a/src/soc/amd/phoenix/chipset_opensil.cb
+++ b/src/soc/amd/phoenix/chipset_opensil.cb
@@ -165,4 +165,8 @@ chip soc/amd/phoenix
 	device mmio 0xfedce000 alias uart_2 off ops amd_uart_mmio_ops end
 	device mmio 0xfedcf000 alias uart_3 off ops amd_uart_mmio_ops end
 	device mmio 0xfedd1000 alias uart_4 off ops amd_uart_mmio_ops end
+	device mmio 0xfedd2000 alias i3c_0 off end
+	device mmio 0xfedd3000 alias i3c_1 off end
+	device mmio 0xfedd4000 alias i3c_2 off end
+	device mmio 0xfedd6000 alias i3c_3 off end
 end
diff --git a/src/soc/amd/phoenix/include/soc/iomap.h b/src/soc/amd/phoenix/include/soc/iomap.h
index 0b93057ce7..63d8b08a7a 100644
--- a/src/soc/amd/phoenix/include/soc/iomap.h
+++ b/src/soc/amd/phoenix/include/soc/iomap.h
@@ -33,6 +33,11 @@
 #define APU_DMAC4_BASE			0xfedd0000
 #define APU_UART4_BASE			0xfedd1000
 
+#define APU_I3C0_BASE			0xfedd2000
+#define APU_I3C1_BASE			0xfedd3000
+#define APU_I3C2_BASE			0xfedd4000
+#define APU_I3C3_BASE			0xfedd6000
+
 #endif /* ENV_X86 */
 
 #define FLASH_BASE_ADDR			((0xffffffff - CONFIG_ROM_SIZE) + 1)