ARM: mx5: Enable L2 cache

Enable L2 cache for improving the system performance. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
11 years ago · 4867b634b7
parent 723ec69a6b
commit 4867b634b7
1 changed files with 6 additions and 0 deletions
--- a/arch/arm/cpu/armv7/mx5/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/mx5/lowlevel_init.S
@ -45,6 +45,12 @@
 #endif

 	mcr 15, 1, r0, c9, c0, 2
+
+	/* enable L2 cache */
+	mrc 15, 0, r0, c1, c0, 1
+	orr r0, r0, #2
+	mcr 15, 0, r0, c1, c0, 1
+
 .endm /* init_l2cc */

 /* AIPS setup - Only setup MPROTx registers.