[U-Boot] [Patch v2, batch 4 29/29] SECURE BOOT - Removed deletion of TLB entries code

[York Sun]

From: Ruchika Gupta <ruchika.gupta at freescale.com>

Boot ROM code creates TLB entries for 3.5G space before entering
the u-boot. Earlier we were deleting these entries after early
initialization of CPU. In recent past, code has been added
to invalidate all these entries before relocation of u-boot code.
So this code to delete TLB entries after CPU initialization
is no longer required.

Signed-off-by: Ruchika Gupta <ruchika.gupta at freescale.com>
Acked-by: Matthew McClintock <msm at freescale.com>
---
 arch/powerpc/cpu/mpc85xx/cpu_init_early.c  |    7 -------
 arch/powerpc/include/asm/fsl_secure_boot.h |   10 ----------
 2 files changed, 17 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
index dacfdd1..234fde4 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
@@ -180,12 +180,5 @@ void cpu_init_early_f(void)
 
 	invalidate_tlb(1);
 
-#if defined(CONFIG_SECURE_BOOT)
-	/* Disable the TLBs created by ISBC */
-	for (i = CONFIG_SYS_ISBC_START_TLB;
-	     i < CONFIG_SYS_ISBC_START_TLB + CONFIG_SYS_ISBC_NUM_TLBS; i++)
-			disable_tlb(i);
-#endif
-
 	init_tlbs();
 }
diff --git a/arch/powerpc/include/asm/fsl_secure_boot.h b/arch/powerpc/include/asm/fsl_secure_boot.h
index d1c1967..2bc6ed1 100644
--- a/arch/powerpc/include/asm/fsl_secure_boot.h
+++ b/arch/powerpc/include/asm/fsl_secure_boot.h
@@ -23,16 +23,6 @@
 #ifndef __FSL_SECURE_BOOT_H
 #define __FSL_SECURE_BOOT_H
 
-/* Starting TLB number for the TLB entried for 3.5 G space created by ISBC */
-#if defined(CONFIG_FSL_CORENET)
-#define CONFIG_SYS_ISBC_START_TLB		3
-#else
-#define CONFIG_SYS_ISBC_START_TLB		0
-#endif
-
-/* Number fo TLB's created by ISBC */
-#define CONFIG_SYS_ISBC_NUM_TLBS		5
-
 #if defined(CONFIG_FSL_CORENET)
 #define CONFIG_SYS_PBI_FLASH_BASE		0xc0000000
 #else
-- 
1.7.9.5