diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9g45_devices.c | 128 |
1 files changed, 128 insertions, 0 deletions
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; } |