[PULL 15/19] aspeed/hace: Support HMAC Key Buffer register.

[Cédric Le Goater]

From: Steven Lee <steven_lee@aspeedtech.com>

Support HACE28: Hash HMAC Key Buffer Base Address Register.

Signed-off-by: Troy Lee <troy_lee@aspeedtech.com>
Signed-off-by: Steven Lee <steven_lee@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20220426021120.28255-2-steven_lee@aspeedtech.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
 include/hw/misc/aspeed_hace.h | 1 +
 hw/misc/aspeed_hace.c         | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/include/hw/misc/aspeed_hace.h b/include/hw/misc/aspeed_hace.h
index 94d5ada95fa2..2242945eb426 100644
--- a/include/hw/misc/aspeed_hace.h
+++ b/include/hw/misc/aspeed_hace.h
@@ -37,6 +37,7 @@ struct AspeedHACEClass {
 
     uint32_t src_mask;
     uint32_t dest_mask;
+    uint32_t key_mask;
     uint32_t hash_mask;
 };
 
diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c
index 10f00e65f4e1..59fe5bfca227 100644
--- a/hw/misc/aspeed_hace.c
+++ b/hw/misc/aspeed_hace.c
@@ -27,6 +27,7 @@
 
 #define R_HASH_SRC      (0x20 / 4)
 #define R_HASH_DEST     (0x24 / 4)
+#define R_HASH_KEY_BUFF (0x28 / 4)
 #define R_HASH_SRC_LEN  (0x2c / 4)
 
 #define R_HASH_CMD      (0x30 / 4)
@@ -210,6 +211,9 @@ static void aspeed_hace_write(void *opaque, hwaddr addr, 
uint64_t data,
     case R_HASH_DEST:
         data &= ahc->dest_mask;
         break;
+    case R_HASH_KEY_BUFF:
+        data &= ahc->key_mask;
+        break;
     case R_HASH_SRC_LEN:
         data &= 0x0FFFFFFF;
         break;
@@ -333,6 +337,7 @@ static void aspeed_ast2400_hace_class_init(ObjectClass 
*klass, void *data)
 
     ahc->src_mask = 0x0FFFFFFF;
     ahc->dest_mask = 0x0FFFFFF8;
+    ahc->key_mask = 0x0FFFFFC0;
     ahc->hash_mask = 0x000003ff; /* No SG or SHA512 modes */
 }
 
@@ -351,6 +356,7 @@ static void aspeed_ast2500_hace_class_init(ObjectClass 
*klass, void *data)
 
     ahc->src_mask = 0x3fffffff;
     ahc->dest_mask = 0x3ffffff8;
+    ahc->key_mask = 0x3FFFFFC0;
     ahc->hash_mask = 0x000003ff; /* No SG or SHA512 modes */
 }
 
@@ -369,6 +375,7 @@ static void aspeed_ast2600_hace_class_init(ObjectClass 
*klass, void *data)
 
     ahc->src_mask = 0x7FFFFFFF;
     ahc->dest_mask = 0x7FFFFFF8;
+    ahc->key_mask = 0x7FFFFFF8;
     ahc->hash_mask = 0x00147FFF;
 }
 
-- 
2.35.1