diff --git a/arch/mips/include/asm/addrspace.h b/arch/mips/include/asm/addrspace.h
index b6d3876..ae6f586 100644
--- a/arch/mips/include/asm/addrspace.h
+++ b/arch/mips/include/asm/addrspace.h
@@ -127,19 +127,6 @@
 					 (_CONST64_(cm) << 59) | (a))
 
 /*
- * Returns the uncached address of a sdram address
- */
-#ifndef __ASSEMBLY__
-#if defined(CONFIG_TB0229)
-/* We use a 36 bit physical address map here and
-   cannot access physical memory directly from core */
-#define UNCACHED_SDRAM(a) (((unsigned long)(a)) | 0x20000000)
-#else	/* !CONFIG_TB0229 */
-#define UNCACHED_SDRAM(a) CKSEG1ADDR(a)
-#endif	/* CONFIG_TB0229 */
-#endif	/* __ASSEMBLY__ */
-
-/*
  * The ultimate limited of the 64-bit MIPS architecture:  2 bits for selecting
  * the region, 3 bits for the CCA mode.  This leaves 59 bits of which the
  * R8000 implements most with its 48-bit physical address space.
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c
index 82f986c..0a13f6e 100644
--- a/arch/mips/lib/bootm.c
+++ b/arch/mips/lib/bootm.c
@@ -51,7 +51,7 @@
 static void linux_cmdline_init(void)
 {
 	linux_argc = 1;
-	linux_argv = (char **)UNCACHED_SDRAM(gd->bd->bi_boot_params);
+	linux_argv = (char **)CKSEG1ADDR(gd->bd->bi_boot_params);
 	linux_argv[0] = 0;
 	linux_argp = (char *)(linux_argv + LINUX_MAX_ARGS);
 }
@@ -186,7 +186,7 @@
 		      (ulong)(gd->ram_size >> 20));
 	}
 
-	rd_start = UNCACHED_SDRAM(images->initrd_start);
+	rd_start = CKSEG1ADDR(images->initrd_start);
 	rd_size = images->initrd_end - images->initrd_start;
 
 	linux_env_init();