[U-Boot-Users] [PATCH][MIPS] cpu/mips/cache.S: Add dcache_enable

[Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>]

Recent bootelf command fixes (017e9b7925f74878d0e9475388cca9bda5ef9482,
"allow ports to override bootelf behavior") requires ports to have this
function.

Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
---

 cpu/mips/cache.S |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)


diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S
index f593968..428d251 100644
--- a/cpu/mips/cache.S
+++ b/cpu/mips/cache.S
@@ -285,6 +285,22 @@ LEAF(dcache_disable)
 	jr	ra
 	END(dcache_disable)
 
+/*******************************************************************************
+*
+* dcache_enable - enable cache
+*
+* RETURNS: N/A
+*
+*/
+LEAF(dcache_enable)
+	mfc0	t0, CP0_CONFIG
+	ori	t0, CONF_CM_CMASK
+	xori	t0, CONF_CM_CMASK
+	ori	t0, CONF_CM_CACHABLE_NONCOHERENT
+	mtc0	t0, CP0_CONFIG
+	jr	ra
+	END(dcache_enable)
+
 #ifdef CFG_INIT_RAM_LOCK_MIPS
 /*******************************************************************************
 *