From: York Sun <yorksun@freescale.com>
Date: Wed, 26 Feb 2014 21:26:02 +0000 (-0800)
Subject: armv8/cache: Consolidate setting for MAIR and TCR
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=f5222cfd49bd3681008039e82aa7a1db3e6c9af4;p=u-boot.git

armv8/cache: Consolidate setting for MAIR and TCR

Move setting for MAIR and TCR to cache_v8.c, to avoid conflict with
sub-architecture.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: David Feng <fenghua@phytium.com.cn>
---

diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c
index 131fdaba3f..7acae1b0ac 100644
--- a/arch/arm/cpu/armv8/cache_v8.c
+++ b/arch/arm/cpu/armv8/cache_v8.c
@@ -45,15 +45,31 @@ static void mmu_setup(void)
 
 	/* load TTBR0 */
 	el = current_el();
-	if (el == 1)
+	if (el == 1) {
 		asm volatile("msr ttbr0_el1, %0"
 			     : : "r" (gd->arch.tlb_addr) : "memory");
-	else if (el == 2)
+		asm volatile("msr tcr_el1, %0"
+			     : : "r" (TCR_FLAGS | TCR_EL1_IPS_BITS)
+			     : "memory");
+		asm volatile("msr mair_el1, %0"
+			     : : "r" (MEMORY_ATTRIBUTES) : "memory");
+	} else if (el == 2) {
 		asm volatile("msr ttbr0_el2, %0"
 			     : : "r" (gd->arch.tlb_addr) : "memory");
-	else
+		asm volatile("msr tcr_el2, %0"
+			     : : "r" (TCR_FLAGS | TCR_EL2_IPS_BITS)
+			     : "memory");
+		asm volatile("msr mair_el2, %0"
+			     : : "r" (MEMORY_ATTRIBUTES) : "memory");
+	} else {
 		asm volatile("msr ttbr0_el3, %0"
 			     : : "r" (gd->arch.tlb_addr) : "memory");
+		asm volatile("msr tcr_el3, %0"
+			     : : "r" (TCR_FLAGS | TCR_EL2_IPS_BITS)
+			     : "memory");
+		asm volatile("msr mair_el3, %0"
+			     : : "r" (MEMORY_ATTRIBUTES) : "memory");
+	}
 
 	/* enable the mmu */
 	set_sctlr(get_sctlr() | CR_M);
diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S
index bcc2603098..90daa4d2fd 100644
--- a/arch/arm/cpu/armv8/start.S
+++ b/arch/arm/cpu/armv8/start.S
@@ -128,28 +128,6 @@ ENTRY(c_runtime_cpu_setup)
 	isb	sy
 #endif
 
-#ifndef CONFIG_SYS_DCACHE_OFF
-	/*
-	 * Setup MAIR and TCR.
-	 */
-	ldr	x0, =MEMORY_ATTRIBUTES
-	ldr	x1, =TCR_FLAGS
-
-	switch_el x2, 3f, 2f, 1f
-3:	orr	x1, x1, TCR_EL3_IPS_BITS
-	msr	mair_el3, x0
-	msr	tcr_el3, x1
-	b	0f
-2:	orr	x1, x1, TCR_EL2_IPS_BITS
-	msr	mair_el2, x0
-	msr	tcr_el2, x1
-	b	0f
-1:	orr	x1, x1, TCR_EL1_IPS_BITS
-	msr	mair_el1, x0
-	msr	tcr_el1, x1
-0:
-#endif
-
 	/* Relocate vBAR */
 	adr	x0, vectors
 	switch_el x1, 3f, 2f, 1f