--- a/arch/mips/lantiq/devices.c
+++ b/arch/mips/lantiq/devices.c
@@ -120,3 +120,20 @@
 	pr_err("kernel is compiled without PCI support\n");
 }
 #endif
+
+static unsigned int *cp1_base = 0;
+unsigned int*
+ltq_get_cp1_base(void)
+{
+	return cp1_base;
+}
+EXPORT_SYMBOL(ltq_get_cp1_base);
+
+void __init
+ltq_register_tapi(void)
+{
+#define CP1_SIZE       (1 << 20)
+	dma_addr_t dma;
+	cp1_base =
+		(void*)CPHYSADDR(dma_alloc_coherent(NULL, CP1_SIZE, &dma, GFP_ATOMIC));
+}
--- a/arch/mips/lantiq/devices.h
+++ b/arch/mips/lantiq/devices.h
@@ -19,5 +19,6 @@
 extern void ltq_register_wdt(void);
 extern void ltq_register_asc(int port);
 extern void ltq_register_pci(struct ltq_pci_data *data);
+extern void ltq_register_tapi(void);
 
 #endif
--- a/arch/mips/lantiq/xway/mach-easy50712.c
+++ b/arch/mips/lantiq/xway/mach-easy50712.c
@@ -66,6 +66,7 @@
 	ltq_register_nor(&easy50712_flash_data);
 	ltq_register_pci(&ltq_pci_data);
 	ltq_register_etop(&ltq_eth_data);
+	ltq_register_tapi();
 }
 
 MIPS_MACHINE(LTQ_MACH_EASY50712,