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-rwxr-xr-xboard/aspeed/ast2300/vhace.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/board/aspeed/ast2300/vhace.c b/board/aspeed/ast2300/vhace.c
new file mode 100755
index 0000000000..d045cbdf43
--- /dev/null
+++ b/board/aspeed/ast2300/vhace.c
@@ -0,0 +1,66 @@
+/*
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#define HASH_GLOBALS
+#include "type.h"
+#include "vdef.h"
+#include "vhace.h"
+#include "vfun.h"
+
+void HashAst3000(ULONG ulLength, ULONG *output, ULONG ulHashMode)
+{
+ ULONG i, ulTemp, ulCommand, ulDigestLength;
+ ULONG ulValue;
+
+ /* Get Info */
+ switch (ulHashMode)
+ {
+ case VHASHMODE_MD5:
+ ulCommand = VHASH_ALG_SELECT_MD5;
+ ulDigestLength = 16;
+ break;
+ case VHASHMODE_SHA1:
+ ulCommand = VHASH_ALG_SELECT_SHA1;
+ ulDigestLength = 20;
+ break;
+ case VHASHMODE_SHA256:
+ ulCommand = VHASH_ALG_SELECT_SHA256;
+ ulDigestLength = 32;
+ break;
+ case VHASHMODE_SHA224:
+ ulCommand = VHASH_ALG_SELECT_SHA224;
+ ulDigestLength = 28;
+ break;
+ }
+
+ /* Init. HW */
+ WriteMemoryLongHost(VHAC_REG_BASE, VREG_HASH_SRC_BASE_OFFSET, g_HashSrcBuffer);
+ WriteMemoryLongHost(VHAC_REG_BASE, VREG_HASH_DST_BASE_OFFSET, g_HashDstBuffer);
+ WriteMemoryLongHost(VHAC_REG_BASE, VREG_HASH_LEN_OFFSET, ulLength);
+
+ /* write src */
+ //already fill in g_VIDEO1_COMPRESS_BUF_ADDR
+
+ /* fire cmd */
+ WriteMemoryLongHost(VHAC_REG_BASE, VREG_HASH_CMD_OFFSET, ulCommand);
+
+ /* get digest */
+ do {
+ ulTemp = ReadMemoryLongHost(VHAC_REG_BASE, VREG_HASH_STATUS_OFFSET);
+ } while (ulTemp & VHASH_BUSY);
+
+ for (i=0; i<ulDigestLength/4; i++)
+ {
+ ulValue = *(((ULONG *)g_HashDstBuffer) + i);
+
+ //output is ULONG pointer
+ *(output + i) = ulValue;
+ }
+}