1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/crypto/hash/hash-uclass.c b/drivers/crypto/hash/hash-uclass.c
new file mode 100644
index 0000000000..446eb9e56a
--- /dev/null
+++ b/drivers/crypto/hash/hash-uclass.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 ASPEED Technology Inc.
+ * Author: ChiaWei Wang <chiawei_wang@aspeedtech.com>
+ */
+
+#define LOG_CATEGORY UCLASS_HASH
+
+#include <common.h>
+#include <dm.h>
+#include <asm/global_data.h>
+#include <u-boot/hash.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <linux/list.h>
+
+struct hash_info {
+	char *name;
+	uint32_t digest_size;
+};
+
+static const struct hash_info hash_info[HASH_ALGO_NUM] = {
+	[HASH_ALGO_CRC16_CCITT] = { "crc16-ccitt", 2 },
+	[HASH_ALGO_CRC32] = { "crc32", 4 },
+	[HASH_ALGO_MD5] = { "md5", 16 },
+	[HASH_ALGO_SHA1] = { "sha1", 20 },
+	[HASH_ALGO_SHA256] = { "sha256", 32 },
+	[HASH_ALGO_SHA384] = { "sha384", 48 },
+	[HASH_ALGO_SHA512] = { "sha512", 64},
+};
+
+enum HASH_ALGO hash_algo_lookup_by_name(const char *name)
+{
+	int i;
+
+	if (!name)
+		return HASH_ALGO_INVALID;
+
+	for (i = 0; i < HASH_ALGO_NUM; ++i)
+		if (!strcmp(name, hash_info[i].name))
+			return i;
+
+	return HASH_ALGO_INVALID;
+}
+
+ssize_t hash_algo_digest_size(enum HASH_ALGO algo)
+{
+	if (algo >= HASH_ALGO_NUM)
+		return -EINVAL;
+
+	return hash_info[algo].digest_size;
+}
+
+const char *hash_algo_name(enum HASH_ALGO algo)
+{
+	if (algo >= HASH_ALGO_NUM)
+		return NULL;
+
+	return hash_info[algo].name;
+}
+
+int hash_digest(struct udevice *dev, enum HASH_ALGO algo,
+		const void *ibuf, const uint32_t ilen,
+		void *obuf)
+{
+	struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
+
+	if (!ops->hash_digest)
+		return -ENOSYS;
+
+	return ops->hash_digest(dev, algo, ibuf, ilen, obuf);
+}
+
+int hash_digest_wd(struct udevice *dev, enum HASH_ALGO algo,
+		   const void *ibuf, const uint32_t ilen,
+		   void *obuf, uint32_t chunk_sz)
+{
+	struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
+
+	if (!ops->hash_digest_wd)
+		return -ENOSYS;
+
+	return ops->hash_digest_wd(dev, algo, ibuf, ilen, obuf, chunk_sz);
+}
+
+int hash_init(struct udevice *dev, enum HASH_ALGO algo, void **ctxp)
+{
+	struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
+
+	if (!ops->hash_init)
+		return -ENOSYS;
+
+	return ops->hash_init(dev, algo, ctxp);
+}
+
+int hash_update(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen)
+{
+	struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
+
+	if (!ops->hash_update)
+		return -ENOSYS;
+
+	return ops->hash_update(dev, ctx, ibuf, ilen);
+}
+
+int hash_finish(struct udevice *dev, void *ctx, void *obuf)
+{
+	struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
+
+	if (!ops->hash_finish)
+		return -ENOSYS;
+
+	return ops->hash_finish(dev, ctx, obuf);
+}
+
+UCLASS_DRIVER(hash) = {
+	.id	= UCLASS_HASH,
+	.name	= "hash",
+};