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authorMichal Simek <monstr@monstr.eu>2010-03-24 10:09:17 +0100
committerMichal Simek <monstr@monstr.eu>2010-04-01 08:38:24 +0200
commit0691c97d74cbdfd49333ef01939ecaef158ebe1b (patch)
tree39845301dc8a7ef1ea3c3078646a947b27508c27 /arch
parent9373dd6ab140f1e6f2e62a9f0bf473987a0b62dc (diff)
downloadlinux-0691c97d74cbdfd49333ef01939ecaef158ebe1b.tar.gz
microblaze: Use MICROBLAZE_TLB_SIZE in asm code
TLB size was hardcoded in asm code. This patch brings ability
to change TLB size only in one place. (mmu.h).

Signed-off-by: Michal Simek <monstr@monstr.eu>
Diffstat (limited to 'arch')
-rw-r--r--arch/microblaze/kernel/head.S2
-rw-r--r--arch/microblaze/kernel/misc.S4
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index e397d5d52571..ba2c0333c6bb 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -134,7 +134,7 @@ _copy_bram:
 	 * virtual to physical.
 	 */
 	nop
-	addik	r3, r0, 63		/* Invalidate all TLB entries */
+	addik	r3, r0, MICROBLAZE_TLB_SIZE -1	/* Invalidate all TLB entries */
 _invalidate:
 	mts	rtlbx, r3
 	mts	rtlbhi, r0			/* flush: ensure V is clear   */
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S
index 18681eed5ec7..7cf86498326c 100644
--- a/arch/microblaze/kernel/misc.S
+++ b/arch/microblaze/kernel/misc.S
@@ -29,7 +29,7 @@
 .type  _tlbia, @function
 .align 4;
 _tlbia:
-	addik	r12, r0, 63 /* flush all entries (63 - 3) */
+	addik	r12, r0, MICROBLAZE_TLB_SIZE - 1 /* flush all entries (63 - 3) */
 	/* isync */
 _tlbia_1:
 	mts	rtlbx, r12
@@ -75,7 +75,7 @@ early_console_reg_tlb_alloc:
 	 * Load a TLB entry for the UART, so that microblaze_progress() can use
 	 * the UARTs nice and early.  We use a 4k real==virtual mapping.
 	 */
-	ori	r4, r0, 63
+	ori	r4, r0, MICROBLAZE_TLB_SIZE - 1
 	mts	rtlbx, r4 /* TLB slot 2 */
 
 	or	r4,r5,r0