cryptocell: add product version awareness support

Add support for multiple Cryptocell revisions which
use different APIs.

This commit only refactors the existing code in preperation to the addition
of another Cryptocell revisions later on.
Signed-off-by: Gilad Ben-Yossef <gilad.benyossef@arm.com>
Change-Id: I16d80b31afb6edd56dc645fee5ea619cc74f09b6

drivers/auth/cryptocell/cryptocell_crypto.c → drivers/auth/cryptocell/712/cryptocell_crypto.c

@@ -11,19 +11,19 @@
 
 #include <arch_helpers.h>
 #include <common/debug.h>
-#include <drivers/arm/cryptocell/crypto_driver.h>
-#include <drivers/arm/cryptocell/rsa.h>
-#include <drivers/arm/cryptocell/sbrom_bsv_api.h>
-#include <drivers/arm/cryptocell/secureboot_base_func.h>
-#include <drivers/arm/cryptocell/secureboot_gen_defs.h>
-#include <drivers/arm/cryptocell/util.h>
+#include <drivers/arm/cryptocell/712/crypto_driver.h>
+#include <drivers/arm/cryptocell/712/rsa.h>
+#include <drivers/arm/cryptocell/712/sbrom_bsv_api.h>
+#include <drivers/arm/cryptocell/712/secureboot_base_func.h>
+#include <drivers/arm/cryptocell/712/secureboot_gen_defs.h>
+#include <drivers/arm/cryptocell/712/util.h>
 #include <drivers/auth/crypto_mod.h>
 #include <drivers/auth/mbedtls/mbedtls_common.h>
 #include <lib/utils.h>
 
 #include <mbedtls/oid.h>
 
-#define LIB_NAME		"CryptoCell SBROM"
+#define LIB_NAME		"CryptoCell 712 SBROM"
 #define RSA_SALT_LEN		32
 #define RSA_EXPONENT		65537
 

drivers/auth/cryptocell/cryptocell_plat_helpers.c → drivers/auth/cryptocell/712/cryptocell_plat_helpers.c

@@ -14,9 +14,9 @@
 #include <tools_share/tbbr_oid.h>
 
 #include <common/debug.h>
-#include <drivers/arm/cryptocell/sbrom_bsv_api.h>
-#include <drivers/arm/cryptocell/nvm.h>
-#include <drivers/arm/cryptocell/nvm_otp.h>
+#include <drivers/arm/cryptocell/712/sbrom_bsv_api.h>
+#include <drivers/arm/cryptocell/712/nvm.h>
+#include <drivers/arm/cryptocell/712/nvm_otp.h>
 
 /*
  * Return the ROTPK hash

drivers/auth/cryptocell/cryptocell_crypto.mk

@@ -17,11 +17,20 @@ ifeq (${CCSBROM_LIB_PATH},)
   $(error Error: CCSBROM_LIB_PATH not set)
 endif
 
-TF_LDFLAGS		+= -L$(CCSBROM_LIB_PATH)
-LDLIBS			+= -lcc_712sbromx509
+CRYPTOCELL_VERSION ?= 712
+ifeq (${CRYPTOCELL_VERSION},712)
+  CCSBROM_LIB_FILENAME := cc_712sbromx509
+else
+  $(error Error: CRYPTOCELL_VERSION set to invalid version)
+endif
+
+CRYPTOCELL_SRC_DIR	:= drivers/auth/cryptocell/${CRYPTOCELL_VERSION}/
 
-CRYPTOCELL_SOURCES	:= drivers/auth/cryptocell/cryptocell_crypto.c \
-			   drivers/auth/cryptocell/cryptocell_plat_helpers.c
+CRYPTOCELL_SOURCES	:= ${CRYPTOCELL_SRC_DIR}/cryptocell_crypto.c \
+			   ${CRYPTOCELL_SRC_DIR}/cryptocell_plat_helpers.c
+
+TF_LDFLAGS		+= -L$(CCSBROM_LIB_PATH)
+LDLIBS			+= -l$(CCSBROM_LIB_FILENAME)
 
 BL1_SOURCES		+= ${CRYPTOCELL_SOURCES}
 BL2_SOURCES		+= ${CRYPTOCELL_SOURCES}