--- zzzz-none-000/linux-2.6.28.10/arch/mips/mm/cache.c	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/arch/mips/mm/cache.c	2009-12-07 12:24:38.000000000 +0000
@@ -51,6 +51,8 @@
 void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 
 EXPORT_SYMBOL(_dma_cache_wback_inv);
+EXPORT_SYMBOL(_dma_cache_wback);
+EXPORT_SYMBOL(_dma_cache_inv);
 
 #endif /* CONFIG_DMA_NONCOHERENT */
 
@@ -159,7 +161,14 @@
 	if (cpu_has_3k_cache) {
 		extern void __weak r3k_cache_init(void);
 
-		r3k_cache_init();
+#ifdef CONFIG_MACH_FUSIV_MIPS1
+		extern void ld_mmu_lx4189(void);
+
+		if((current_cpu_data.processor_id & 0xFFFF) == PRID_IMP_FUSIV_MIPS1) {
+			ld_mmu_lx4189();
+		} else
+#endif
+			r3k_cache_init();
 	}
 	if (cpu_has_6k_cache) {
 		extern void __weak r6k_cache_init(void);