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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 <key@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kent Yoder 2012-04-12 05:39:35 +00:00 committed by Benjamin Herrenschmidt
parent aef7b31c88
commit 7e3a4fa160
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/prom_init.c
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@ -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 */