From: Prabhakar Kushwaha <prabhakar@freescale.com>
Date: Thu, 13 Jun 2013 04:44:00 +0000 (+0530)
Subject: powerpc/mpc85xx:Disable Debug TLB entry before init_tlbs
X-Git-Tag: v2013.07-rc2~62
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=bd7c023e48d74bb5c343f05f9d62742e108a8f52;p=oweals%2Fu-boot.git

powerpc/mpc85xx:Disable Debug TLB entry before init_tlbs

init_tlbs() initialize all the TLB entries required for the system.

So disable DEBUG TLB entry before TLB entries initialization.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
---

diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
index f4403c2d45..837c034be9 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
@@ -180,5 +180,9 @@ void cpu_init_early_f(void)
 
 	invalidate_tlb(1);
 
+#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NAND_SPL)
+	disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB);
+#endif
+
 	init_tlbs();
 }