Add Infineon v05 TPM driver

drivers/tpm/slb9635_i2c.c

Index: drivers/tpm/slb9635_i2c.c
diff --git a/drivers/tpm/slb9635_i2c.c b/drivers/tpm/slb9635_i2c.c
new file mode 100644
index 0000000000000000000000000000000000000000..41382a117405761f9274451d8bfacfe8544ece17
--- /dev/null
+++ b/drivers/tpm/slb9635_i2c.c
@@ -0,0 +1,71 @@
+/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <i2c.h>
+#include "slb9635_i2c/ifx_auto.h"
+
+/* api function pointer for different version chip */
+static struct {
+	int (*open)(void);
+	int (*close)(void);
+	int (*sendrecv)(const uint8_t *sendbuf, size_t sbuf_size,
+		uint8_t *recvbuf, size_t *rbuf_len);
+} _tpm_instance = {0};
+
+
+int tis_init(void)
+{
+#ifdef CONFIG_TPM_SLB9635_I2C_V03
+	/* prototype version chip detection */
+	if (tpm_init_v03() == 0) {
+		printf("I2C addr(x1A) : v03 prototype\n");
+		_tpm_instance.open     = tpm_open_v03;
+		_tpm_instance.close    = tpm_close_v03;
+		_tpm_instance.sendrecv = tpm_sendrecv_v03;
+		return 0;
+	}
+#endif
+
+#ifdef CONFIG_TPM_SLB9635_I2C
+	/* firmware virsion > v05 : production */
+	if (tpm_init_v05() == 0) {
+		printf("I2C addr(x20) : v05 engineering/production\n");
+		_tpm_instance.open     = tpm_open_v05;
+		_tpm_instance.close    = tpm_close_v05;
+		_tpm_instance.sendrecv = tpm_sendrecv_v05;
+		return 0;
+	}
+#endif
+	_tpm_instance.open     = NULL;
+	_tpm_instance.close    = NULL;
+	_tpm_instance.sendrecv = NULL;
+	return -1;
+}
+
+int tis_open(void)
+{
+	if (_tpm_instance.open)
+		return (*_tpm_instance.open)();
+	return -1;
+}
+
+int tis_close(void)
+{
+	if (_tpm_instance.close)
+		return (*_tpm_instance.close)();
+	return -1;
+}
+
+int tis_sendrecv(const uint8_t *sendbuf, size_t sbuf_size,
+	uint8_t *recvbuf, size_t *rbuf_len)
+{
+	if (_tpm_instance.sendrecv)
+		return (*_tpm_instance.sendrecv)(sendbuf, sbuf_size, recvbuf,
+			rbuf_len);
+	return -1;
+}
+