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Kim Phillips8e8ec592011-03-13 16:54:26 +08001config CRYPTO_DEV_FSL_CAAM
2 tristate "Freescale CAAM-Multicore driver backend"
Horia Geantă9e217792016-05-19 18:11:33 +03003 depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE
Kim Phillips8e8ec592011-03-13 16:54:26 +08004 help
5 Enables the driver module for Freescale's Cryptographic Accelerator
6 and Assurance Module (CAAM), also known as the SEC version 4 (SEC4).
Ruchika Gupta313ea292013-10-25 12:01:01 +05307 This module creates job ring devices, and configures h/w
Kim Phillips8e8ec592011-03-13 16:54:26 +08008 to operate as a DPAA component automatically, depending
9 on h/w feature availability.
10
11 To compile this driver as a module, choose M here: the module
12 will be called caam.
13
Ruchika Gupta313ea292013-10-25 12:01:01 +053014config CRYPTO_DEV_FSL_CAAM_JR
15 tristate "Freescale CAAM Job Ring driver backend"
16 depends on CRYPTO_DEV_FSL_CAAM
17 default y
18 help
19 Enables the driver module for Job Rings which are part of
20 Freescale's Cryptographic Accelerator
21 and Assurance Module (CAAM). This module adds a job ring operation
22 interface.
23
24 To compile this driver as a module, choose M here: the module
25 will be called caam_jr.
26
Kim Phillips8e8ec592011-03-13 16:54:26 +080027config CRYPTO_DEV_FSL_CAAM_RINGSIZE
28 int "Job Ring size"
Ruchika Gupta313ea292013-10-25 12:01:01 +053029 depends on CRYPTO_DEV_FSL_CAAM_JR
Kim Phillips8e8ec592011-03-13 16:54:26 +080030 range 2 9
31 default "9"
32 help
33 Select size of Job Rings as a power of 2, within the
34 range 2-9 (ring size 4-512).
35 Examples:
36 2 => 4
37 3 => 8
38 4 => 16
39 5 => 32
40 6 => 64
41 7 => 128
42 8 => 256
43 9 => 512
44
45config CRYPTO_DEV_FSL_CAAM_INTC
46 bool "Job Ring interrupt coalescing"
Ruchika Gupta313ea292013-10-25 12:01:01 +053047 depends on CRYPTO_DEV_FSL_CAAM_JR
Kim Phillips8e8ec592011-03-13 16:54:26 +080048 help
49 Enable the Job Ring's interrupt coalescing feature.
50
Kim Phillips1a076682012-06-22 19:48:53 -050051 Note: the driver already provides adequate
52 interrupt coalescing in software.
53
Kim Phillips8e8ec592011-03-13 16:54:26 +080054config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD
55 int "Job Ring interrupt coalescing count threshold"
56 depends on CRYPTO_DEV_FSL_CAAM_INTC
57 range 1 255
58 default 255
59 help
60 Select number of descriptor completions to queue before
61 raising an interrupt, in the range 1-255. Note that a selection
62 of 1 functionally defeats the coalescing feature, and a selection
63 equal or greater than the job ring size will force timeouts.
64
65config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD
66 int "Job Ring interrupt coalescing timer threshold"
67 depends on CRYPTO_DEV_FSL_CAAM_INTC
68 range 1 65535
69 default 2048
70 help
71 Select number of bus clocks/64 to timeout in the case that one or
72 more descriptor completions are queued without reaching the count
73 threshold. Range is 1-65535.
74
75config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
76 tristate "Register algorithm implementations with the Crypto API"
Ruchika Gupta313ea292013-10-25 12:01:01 +053077 depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
Kim Phillips8e8ec592011-03-13 16:54:26 +080078 default y
Herbert Xu596103c2015-06-17 14:58:24 +080079 select CRYPTO_AEAD
Kim Phillips8e8ec592011-03-13 16:54:26 +080080 select CRYPTO_AUTHENC
Herbert Xu596103c2015-06-17 14:58:24 +080081 select CRYPTO_BLKCIPHER
Kim Phillips8e8ec592011-03-13 16:54:26 +080082 help
83 Selecting this will offload crypto for users of the
84 scatterlist crypto API (such as the linux native IPSec
85 stack) to the SEC4 via job ring.
86
87 To compile this as a module, choose M here: the module
88 will be called caamalg.
Yuan Kang045e3672012-06-22 19:48:47 -050089
90config CRYPTO_DEV_FSL_CAAM_AHASH_API
91 tristate "Register hash algorithm implementations with Crypto API"
Ruchika Gupta313ea292013-10-25 12:01:01 +053092 depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
Yuan Kang045e3672012-06-22 19:48:47 -050093 default y
Paul Bolleae8488a2013-03-05 14:33:16 +010094 select CRYPTO_HASH
Yuan Kang045e3672012-06-22 19:48:47 -050095 help
96 Selecting this will offload ahash for users of the
97 scatterlist crypto API to the SEC4 via job ring.
98
99 To compile this as a module, choose M here: the module
100 will be called caamhash.
Yuan Kange24f7c92012-06-22 19:48:50 -0500101
Tudor Ambarus8c419772016-07-04 13:12:08 +0300102config CRYPTO_DEV_FSL_CAAM_PKC_API
103 tristate "Register public key cryptography implementations with Crypto API"
104 depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
105 default y
106 select CRYPTO_RSA
107 help
108 Selecting this will allow SEC Public key support for RSA.
109 Supported cryptographic primitives: encryption, decryption,
110 signature and verification.
111 To compile this as a module, choose M here: the module
112 will be called caam_pkc.
113
Yuan Kange24f7c92012-06-22 19:48:50 -0500114config CRYPTO_DEV_FSL_CAAM_RNG_API
115 tristate "Register caam device for hwrng API"
Ruchika Gupta313ea292013-10-25 12:01:01 +0530116 depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
Yuan Kange24f7c92012-06-22 19:48:50 -0500117 default y
118 select CRYPTO_RNG
119 select HW_RANDOM
120 help
121 Selecting this will register the SEC4 hardware rng to
122 the hw_random API for suppying the kernel entropy pool.
123
124 To compile this as a module, choose M here: the module
125 will be called caamrng.
Alex Porosanud4d8edf2013-08-14 18:56:46 +0300126
Horia Geant?6c3af952015-08-17 15:24:10 +0300127config CRYPTO_DEV_FSL_CAAM_IMX
128 def_bool SOC_IMX6 || SOC_IMX7D
129 depends on CRYPTO_DEV_FSL_CAAM
130
Alex Porosanud4d8edf2013-08-14 18:56:46 +0300131config CRYPTO_DEV_FSL_CAAM_DEBUG
132 bool "Enable debug output in CAAM driver"
133 depends on CRYPTO_DEV_FSL_CAAM
Alex Porosanud4d8edf2013-08-14 18:56:46 +0300134 help
135 Selecting this will enable printing of various debug
136 information in the CAAM driver.