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@@ -9,9 +9,9 @@
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#ifndef _GEODE_AES_H_
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#define _GEODE_AES_H_
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-#define AES_KEY_LENGTH 16
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+/* driver logic flags */
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#define AES_IV_LENGTH 16
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-
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+#define AES_KEY_LENGTH 16
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#define AES_MIN_BLOCK_SIZE 16
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#define AES_MODE_ECB 0
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@@ -22,6 +22,38 @@
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#define AES_FLAGS_HIDDENKEY (1 << 0)
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+/* Register definitions */
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+
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+#define AES_CTRLA_REG 0x0000
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+
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+#define AES_CTRL_START 0x01
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+#define AES_CTRL_DECRYPT 0x00
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+#define AES_CTRL_ENCRYPT 0x02
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+#define AES_CTRL_WRKEY 0x04
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+#define AES_CTRL_DCA 0x08
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+#define AES_CTRL_SCA 0x10
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+#define AES_CTRL_CBC 0x20
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+
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+#define AES_INTR_REG 0x0008
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+
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+#define AES_INTRA_PENDING (1 << 16)
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+#define AES_INTRB_PENDING (1 << 17)
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+
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+#define AES_INTR_PENDING (AES_INTRA_PENDING | AES_INTRB_PENDING)
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+#define AES_INTR_MASK 0x07
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+
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+#define AES_SOURCEA_REG 0x0010
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+#define AES_DSTA_REG 0x0014
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+#define AES_LENA_REG 0x0018
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+#define AES_WRITEKEY0_REG 0x0030
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+#define AES_WRITEIV0_REG 0x0040
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+
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+/* A very large counter that is used to gracefully bail out of an
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+ * operation in case of trouble
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+ */
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+
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+#define AES_OP_TIMEOUT 0x50000
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+
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struct geode_aes_op {
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void *src;
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