From 7e3a4fa160387a72d42e3f8c4b887bb0a9c50d7e Mon Sep 17 00:00:00 2001 From: Kent Yoder Date: Thu, 12 Apr 2012 05:39:35 +0000 Subject: [PATCH] powerpc/crypto: Enable the PFO-based encryption device This patch adds the cas bits to advertise support for the Platform Facilities Option (PFO) based encryption accelerator device. The nx device driver provides support for this hardware feature. Signed-off-by: Kent Yoder Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/kernel/prom_init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 5b7e514..1b488e5 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -705,6 +705,7 @@ static void __init early_cmdline_parse(void) #endif #define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */ #define OV5_PFO_HW_RNG 0x80 /* PFO Random Number Generator */ +#define OV5_PFO_HW_ENCR 0x20 /* PFO Encryption Accelerator */ /* Option Vector 6: IBM PAPR hints */ #define OV6_LINUX 0x02 /* Linux is our OS */ @@ -773,7 +774,7 @@ static unsigned char ibm_architecture_vec[] = { 0, 0, 0, - OV5_PFO_HW_RNG, + OV5_PFO_HW_RNG | OV5_PFO_HW_ENCR, /* option vector 6: IBM PAPR hints */ 4 - 2, /* length */ -- 2.7.4