+#ifdef CONFIG_SYS_CACHELINE_SIZE
+
+static inline unsigned long icache_line_size(void)
+{
+ return CONFIG_SYS_CACHELINE_SIZE;
+}
+
+static inline unsigned long dcache_line_size(void)
+{
+ return CONFIG_SYS_CACHELINE_SIZE;
+}
+
+#else /* !CONFIG_SYS_CACHELINE_SIZE */
+
+static inline unsigned long icache_line_size(void)
+{
+ unsigned long conf1, il;
+ conf1 = read_c0_config1();
+ il = (conf1 & MIPS_CONF1_IL) >> MIPS_CONF1_IL_SHIFT;
+ if (!il)
+ return 0;
+ return 2 << il;
+}
+
+static inline unsigned long dcache_line_size(void)
+{
+ unsigned long conf1, dl;
+ conf1 = read_c0_config1();
+ dl = (conf1 & MIPS_CONF1_DL) >> MIPS_CONF1_DL_SHIFT;
+ if (!dl)
+ return 0;
+ return 2 << dl;
+}
+
+#endif /* !CONFIG_SYS_CACHELINE_SIZE */
+