diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-26 13:00:59 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-26 13:00:59 -0700 |
commit | 44a6b8442190cf213081060b610dae2e822f802b (patch) | |
tree | 2280bfe385bef8b6416a6493ea8988a975008165 /arch/arm | |
parent | 945c40c6b007eb4b07374a38ea37b2a34da306b1 (diff) | |
parent | a43478863b16cb0986fd2ec9d1f1b9ebaaec5922 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
- Fixed algorithm construction hang when self-test fails.
- Added SHA variants to talitos AEAD list.
- New driver for Exynos random number generator.
- Performance enhancements for arc4.
- Added hwrng support to caam.
- Added ahash support to caam.
- Fixed bad kfree in aesni-intel.
- Allow aesni-intel in FIPS mode.
- Added atmel driver with support for AES/3DES/SHA.
- Bug fixes for mv_cesa.
- CRC hardware driver for BF60x family processors.
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (66 commits)
crypto: twofish-avx - remove useless instruction
crypto: testmgr - add aead cbc aes hmac sha1,256,512 test vectors
crypto: talitos - add sha224, sha384 and sha512 to existing AEAD algorithms
crypto: talitos - export the talitos_submit function
crypto: talitos - move talitos structures to header file
crypto: atmel - add new tests to tcrypt
crypto: atmel - add Atmel SHA1/SHA256 driver
crypto: atmel - add Atmel DES/TDES driver
crypto: atmel - add Atmel AES driver
ARM: AT91SAM9G45: add crypto peripherals
crypto: testmgr - allow aesni-intel and ghash_clmulni-intel in fips mode
hwrng: exynos - Add support for Exynos random number generator
crypto: aesni-intel - fix wrong kfree pointer
crypto: caam - ERA retrieval and printing for SEC device
crypto: caam - Using alloc_coherent for caam job rings
crypto: algapi - Fix hang on crypto allocation
crypto: arc4 - now arc needs blockcipher support
crypto: caam - one tasklet per job ring
crypto: caam - consolidate memory barriers from job ring en/dequeue
crypto: caam - only query h/w in job ring dequeue path
...
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45.c | 13 | ||||
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45_devices.c | 128 | ||||
-rw-r--r-- | arch/arm/mach-at91/include/mach/at91sam9g45.h | 2 |
3 files changed, 142 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c index 977127368a7..ef6cedd52e3 100644 --- a/arch/arm/mach-at91/at91sam9g45.c +++ b/arch/arm/mach-at91/at91sam9g45.c @@ -183,6 +183,13 @@ static struct clk adc_op_clk = { .rate_hz = 13200000, }; +/* AES/TDES/SHA clock - Only for sam9m11/sam9g56 */ +static struct clk aestdessha_clk = { + .name = "aestdessha_clk", + .pmc_mask = 1 << AT91SAM9G45_ID_AESTDESSHA, + .type = CLK_TYPE_PERIPHERAL, +}; + static struct clk *periph_clocks[] __initdata = { &pioA_clk, &pioB_clk, @@ -212,6 +219,7 @@ static struct clk *periph_clocks[] __initdata = { &udphs_clk, &mmc1_clk, &adc_op_clk, + &aestdessha_clk, // irq0 }; @@ -232,6 +240,9 @@ static struct clk_lookup periph_clocks_lookups[] = { CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk), CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk), CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk), + CLKDEV_CON_DEV_ID(NULL, "atmel_sha", &aestdessha_clk), + CLKDEV_CON_DEV_ID(NULL, "atmel_tdes", &aestdessha_clk), + CLKDEV_CON_DEV_ID(NULL, "atmel_aes", &aestdessha_clk), /* more usart lookup table for DT entries */ CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck), CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk), @@ -388,7 +399,7 @@ static unsigned int at91sam9g45_default_irq_priority[NR_AIC_IRQS] __initdata = { 3, /* Ethernet */ 0, /* Image Sensor Interface */ 2, /* USB Device High speed port */ - 0, + 0, /* AESTDESSHA Crypto HW Accelerators */ 0, /* Multimedia Card Interface 1 */ 0, 0, /* Advanced Interrupt Controller (IRQ0) */ diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 40fb79df2de..06073996a38 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -18,6 +18,7 @@ #include <linux/platform_device.h> #include <linux/i2c-gpio.h> #include <linux/atmel-mci.h> +#include <linux/platform_data/atmel-aes.h> #include <linux/platform_data/at91_adc.h> @@ -1830,6 +1831,130 @@ void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_add_device_serial(void) {} #endif +/* -------------------------------------------------------------------- + * SHA1/SHA256 + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_CRYPTO_DEV_ATMEL_SHA) || defined(CONFIG_CRYPTO_DEV_ATMEL_SHA_MODULE) +static struct resource sha_resources[] = { + { + .start = AT91SAM9G45_BASE_SHA, + .end = AT91SAM9G45_BASE_SHA + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_AESTDESSHA, + .end = AT91SAM9G45_ID_AESTDESSHA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9g45_sha_device = { + .name = "atmel_sha", + .id = -1, + .resource = sha_resources, + .num_resources = ARRAY_SIZE(sha_resources), +}; + +static void __init at91_add_device_sha(void) +{ + platform_device_register(&at91sam9g45_sha_device); +} +#else +static void __init at91_add_device_sha(void) {} +#endif + +/* -------------------------------------------------------------------- + * DES/TDES + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_CRYPTO_DEV_ATMEL_TDES) || defined(CONFIG_CRYPTO_DEV_ATMEL_TDES_MODULE) +static struct resource tdes_resources[] = { + [0] = { + .start = AT91SAM9G45_BASE_TDES, + .end = AT91SAM9G45_BASE_TDES + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_AESTDESSHA, + .end = AT91SAM9G45_ID_AESTDESSHA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9g45_tdes_device = { + .name = "atmel_tdes", + .id = -1, + .resource = tdes_resources, + .num_resources = ARRAY_SIZE(tdes_resources), +}; + +static void __init at91_add_device_tdes(void) +{ + platform_device_register(&at91sam9g45_tdes_device); +} +#else +static void __init at91_add_device_tdes(void) {} +#endif + +/* -------------------------------------------------------------------- + * AES + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_CRYPTO_DEV_ATMEL_AES) || defined(CONFIG_CRYPTO_DEV_ATMEL_AES_MODULE) +static struct aes_platform_data aes_data; +static u64 aes_dmamask = DMA_BIT_MASK(32); + +static struct resource aes_resources[] = { + [0] = { + .start = AT91SAM9G45_BASE_AES, + .end = AT91SAM9G45_BASE_AES + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_AESTDESSHA, + .end = AT91SAM9G45_ID_AESTDESSHA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9g45_aes_device = { + .name = "atmel_aes", + .id = -1, + .dev = { + .dma_mask = &aes_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + .platform_data = &aes_data, + }, + .resource = aes_resources, + .num_resources = ARRAY_SIZE(aes_resources), +}; + +static void __init at91_add_device_aes(void) +{ + struct at_dma_slave *atslave; + struct aes_dma_data *alt_atslave; + + alt_atslave = kzalloc(sizeof(struct aes_dma_data), GFP_KERNEL); + + /* DMA TX slave channel configuration */ + atslave = &alt_atslave->txdata; + atslave->dma_dev = &at_hdmac_device.dev; + atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE | ATC_SRC_H2SEL_HW | + ATC_SRC_PER(AT_DMA_ID_AES_RX); + + /* DMA RX slave channel configuration */ + atslave = &alt_atslave->rxdata; + atslave->dma_dev = &at_hdmac_device.dev; + atslave->cfg = ATC_FIFOCFG_ENOUGHSPACE | ATC_DST_H2SEL_HW | + ATC_DST_PER(AT_DMA_ID_AES_TX); + + aes_data.dma_slave = alt_atslave; + platform_device_register(&at91sam9g45_aes_device); +} +#else +static void __init at91_add_device_aes(void) {} +#endif /* -------------------------------------------------------------------- */ /* @@ -1847,6 +1972,9 @@ static int __init at91_add_standard_devices(void) at91_add_device_trng(); at91_add_device_watchdog(); at91_add_device_tc(); + at91_add_device_sha(); + at91_add_device_tdes(); + at91_add_device_aes(); return 0; } diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index 3a4da24d591..8eba1021f53 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -136,6 +136,8 @@ #define AT_DMA_ID_SSC1_RX 8 #define AT_DMA_ID_AC97_TX 9 #define AT_DMA_ID_AC97_RX 10 +#define AT_DMA_ID_AES_TX 11 +#define AT_DMA_ID_AES_RX 12 #define AT_DMA_ID_MCI1 13 #endif |