From: Ruchika Gupta Date: Mon, 25 Mar 2013 07:40:25 +0000 (+0000) Subject: SECURE BOOT - Removed deletion of TLB entries code X-Git-Tag: v2013.07-rc1~54^2~1 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=39bdaff4f4dd75b578c9e1fe372e8d56e7d51526;p=u-boot SECURE BOOT - Removed deletion of TLB entries code 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 Acked-by: Matthew McClintock Signed-off-by: Andy Fleming --- diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c index dacfdd15ea..234fde4846 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 d1c1967d1d..2bc6ed1cf0 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