Fix dcache_status()

U-Boot-Users Shinya Kuribayashi 1 participant 1 message Mar 23, 2008

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Shinya Kuribayashi

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2008-03-23 16:28 UTC #0 lore raw

You can't judge UNCACHED by Config.K0 LSB.

Signed-off-by Shinya Kuribayashi <[email protected]>

---

 cpu/mips/cache.S |   10 +++++++---
 1 files changed, 7 insertions(+), 3 deletions(-)

cpu/mips/cache.S +7 -3

index bb42616..e6f3175 100644
@@ -256,9 +256,13 @@ NESTED(mips_cache_reset, 0, ra)
 *
 */
 LEAF(dcache_status)
-	mfc0	v0, CP0_CONFIG
-	andi	v0, v0, 1
-	j	ra
+	mfc0	t0, CP0_CONFIG
+	li	t1, CONF_CM_UNCACHED
+	andi	t0, t0, CONF_CM_CMASK
+	move	v0, zero
+	beq	t0, t1, 2f
+	li	v0, 1
+2:	jr	ra
 	END(dcache_status)
 
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