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authorChia-Wei Wang <chiawei_wang@aspeedtech.com>2021-07-30 09:08:05 +0800
committerTom Rini <trini@konsulko.com>2021-09-01 19:25:37 -0400
commitca47955a66161adf5d6e8f8e1de852ccda6626c0 (patch)
treec4374dce8ffd7fa053d2807ea3d0461af3942545
parente5d870fa1ecbcd4efcc13fa6d69c6754e39cff62 (diff)
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fit: Use DM hash driver if supported
Calculate hash using DM driver if supported. For backward compatibility, the call to legacy hash functions is reserved. Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
-rw-r--r--common/image-fit.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/common/image-fit.c b/common/image-fit.c
index aff4670be3..aa9c781462 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -25,6 +25,10 @@
#include <asm/io.h>
#include <malloc.h>
#include <asm/global_data.h>
+#ifdef CONFIG_DM_HASH
+#include <dm.h>
+#include <u-boot/hash.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
#endif /* !USE_HOSTCC*/
@@ -1214,6 +1218,31 @@ int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
int calculate_hash(const void *data, int data_len, const char *algo,
uint8_t *value, int *value_len)
{
+#if !defined(USE_HOSTCC) && defined(CONFIG_DM_HASH)
+ int rc;
+ enum HASH_ALGO hash_algo;
+ struct udevice *dev;
+
+ rc = uclass_get_device(UCLASS_HASH, 0, &dev);
+ if (rc) {
+ debug("failed to get hash device, rc=%d\n", rc);
+ return -1;
+ }
+
+ hash_algo = hash_algo_lookup_by_name(algo);
+ if (hash_algo == HASH_ALGO_INVALID) {
+ debug("Unsupported hash algorithm\n");
+ return -1;
+ };
+
+ rc = hash_digest_wd(dev, hash_algo, data, data_len, value, CHUNKSZ);
+ if (rc) {
+ debug("failed to get hash value, rc=%d\n", rc);
+ return -1;
+ }
+
+ *value_len = hash_algo_digest_size(hash_algo);
+#else
if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
*((uint32_t *)value) = crc32_wd(0, data, data_len,
CHUNKSZ_CRC32);
@@ -1242,6 +1271,7 @@ int calculate_hash(const void *data, int data_len, const char *algo,
debug("Unsupported hash alogrithm\n");
return -1;
}
+#endif
return 0;
}