From 7cad2e38d61e27ea59fb7944f7e647e97ef292d3 Mon Sep 17 00:00:00 2001 From: Ruchika Gupta Date: Mon, 29 Sep 2014 11:35:33 +0530 Subject: powerpc/mpc85xx: SECURE BOOT - Bypass PAMU in case of secure boot By default, PAMU's (IOMMU) are enabled in case of secure boot. Disable/bypass them once the control reaches the bootloader. For non-secure boot, PAMU's are already bypassed in the default SoC configuration. Signed-off-by: Ruchika Gupta Reviewed-by: York Sun --- arch/powerpc/include/asm/immap_85xx.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/include') diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index 88c1e08df5..0264523d64 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -1912,6 +1912,7 @@ defined(CONFIG_PPC_T1020) || defined(CONFIG_PPC_T1022) u8 res24[64]; u32 pblsr; /* Preboot loader status */ u32 pamubypenr; /* PAMU bypass enable */ +#define FSL_CORENET_PAMU_BYPASS 0xffff0000 u32 dmacr1; /* DMA control */ u8 res25[4]; u32 gensr1; /* General status */ -- cgit