ARM: AT91SAM9G45: add crypto peripherals
Signed-off-by: Nicolas Royer <nicolas@eukrea.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Tested-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 933fc9a..7102f62 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_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 @@
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;
}