crypto: updates to enable omap aes

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 71 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 03e6c9ed82a4..072893a7d136 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -552,6 +552,76 @@ static void omap_init_sham(void)
 static inline void omap_init_sham(void) { }
 #endif
 
+#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+static struct resource omap2_aes_resources[] = {
+        {
+                .start  = OMAP24XX_SEC_AES_BASE,
+                .end    = OMAP24XX_SEC_AES_BASE + 0x4C,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = OMAP24XX_DMA_AES_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        {
+                .start  = OMAP24XX_DMA_AES_RX,
+                .flags  = IORESOURCE_DMA,
+        }
+};
+static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
+#else
+#define omap2_aes_resources             NULL
+#define omap2_aes_resources_sz          0
+#endif
+
+#ifdef CONFIG_ARCH_OMAP34XX
+static struct resource omap3_aes_resources[] = {
+        {
+                .start  = OMAP34XX_SEC_AES_BASE,
+                .end    = OMAP34XX_SEC_AES_BASE + 0x4C,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = OMAP34XX_DMA_AES2_TX,
+                .flags  = IORESOURCE_DMA,
+        },
+        {
+                .start  = OMAP34XX_DMA_AES2_RX,
+                .flags  = IORESOURCE_DMA,
+        }
+};
+static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
+#else
+#define omap3_aes_resources             NULL
+#define omap3_aes_resources_sz          0
+#endif
+
+static struct platform_device aes_device = {
+        .name           = "omap-aes",
+        .id             = -1,
+};
+
+static void omap_init_aes(void)
+{
+        if (cpu_is_omap24xx()) {
+                aes_device.resource = omap2_aes_resources;
+                aes_device.num_resources = omap2_aes_resources_sz;
+        } else if (cpu_is_omap34xx()) {
+                aes_device.resource = omap3_aes_resources;
+                aes_device.num_resources = omap3_aes_resources_sz;
+        } else {
+                pr_err("%s: platform not supported\n", __func__);
+                return;
+        }
+        platform_device_register(&aes_device);
+}
+
+#else
+static inline void omap_init_aes(void) { }
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
@@ -908,6 +978,7 @@ static int __init omap2_init_devices(void)
         omap_hdq_init();
         omap_init_sti();
         omap_init_sham();
+        omap_init_aes();
         omap_init_vout();
 
         return 0;