add init loongson soc3210 porting.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1014 bbd45198-f89e-11dd-88c7-29a3b14d5316

libcpu/mips/loongson/cache.inc

+#ifndef	__CACHE_H__
+#define	__CACHE_H__
+
+/*
+ * Cache Operations
+ */
+#define Index_Invalidate_I      0x00
+#define Index_Writeback_Inv_D   0x01
+#define Index_Invalidate_SI     0x02
+#define Index_Writeback_Inv_SD  0x03
+#define Index_Load_Tag_I		0x04
+#define Index_Load_Tag_D		0x05
+#define Index_Load_Tag_SI		0x06
+#define Index_Load_Tag_SD		0x07
+#define Index_Store_Tag_I		0x08
+#define Index_Store_Tag_D		0x09
+#define Index_Store_Tag_SI		0x0A
+#define Index_Store_Tag_SD		0x0B
+#define Create_Dirty_Excl_D		0x0d
+#define Create_Dirty_Excl_SD	0x0f
+#define Hit_Invalidate_I		0x10
+#define Hit_Invalidate_D		0x11
+#define Hit_Invalidate_SI		0x12
+#define Hit_Invalidate_SD		0x13
+#define Fill					0x14
+#define Hit_Writeback_Inv_D		0x15
+/* 0x16 is unused */
+#define Hit_Writeback_Inv_SD	0x17
+#define Hit_Writeback_I			0x18
+#define Hit_Writeback_D			0x19
+/* 0x1a is unused */
+#define Hit_Writeback_SD		0x1b
+/* 0x1c is unused */
+/* 0x1e is unused */
+#define Hit_Set_Virtual_SI		0x1e
+#define Hit_Set_Virtual_SD		0x1f
+
+#endif