Merge pull request #269 from vikramkanigiri/vk/common-cci

Common driver for ARM cache coherent Interconnects

plat/juno/juno_private.h

@@ -154,6 +154,7 @@ unsigned long plat_get_ns_image_entrypoint(void);
 unsigned long platform_get_stack(unsigned long mpidr);
 uint64_t plat_get_syscnt_freq(void);
 void plat_gic_init(void);
+void plat_cci_init(void);
 
 /* Declarations for plat_topology.c */
 int plat_setup_topology(void);

plat/juno/plat_pm.c

@@ -31,8 +31,8 @@
 #include <assert.h>
 #include <arch_helpers.h>
 #include <arm_gic.h>
+#include <cci.h>
 #include <debug.h>
-#include <cci400.h>
 #include <errno.h>
 #include <platform.h>
 #include <platform_def.h>
@@ -159,8 +159,7 @@ void juno_affinst_on_finish(uint32_t afflvl, uint32_t state)
 	 * if this cluster was off.
 	 */
 	if (afflvl != MPIDR_AFFLVL0)
-		cci_enable_cluster_coherency(mpidr);
-
+		cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr));
 
 	/* Enable the gic cpu interface */
 	arm_gic_cpuif_setup();
@@ -187,7 +186,7 @@ static void juno_power_down_common(uint32_t afflvl)
 
 	/* Cluster is to be turned off, so disable coherency */
 	if (afflvl > MPIDR_AFFLVL0) {
-		cci_disable_cluster_coherency(read_mpidr_el1());
+		cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
 		cluster_state = scpi_power_off;
 	}
 

plat/juno/platform.mk

@@ -56,7 +56,7 @@ PLAT_BL_COMMON_SOURCES	:=	drivers/arm/pl011/pl011_console.S	\
 				plat/common/plat_gic.c			\
 				plat/juno/plat_io_storage.c
 
-BL1_SOURCES		+=	drivers/arm/cci400/cci400.c		\
+BL1_SOURCES		+=	drivers/arm/cci/cci.c			\
 				lib/cpus/aarch64/cortex_a53.S		\
 				lib/cpus/aarch64/cortex_a57.S		\
 				plat/common/aarch64/platform_up_stack.S	\
@@ -75,7 +75,7 @@ BL2_SOURCES		+=	drivers/arm/tzc400/tzc400.c		\
 				plat/juno/scp_bootloader.c		\
 				plat/juno/scpi.c
 
-BL31_SOURCES		+=	drivers/arm/cci400/cci400.c		\
+BL31_SOURCES		+=	drivers/arm/cci/cci.c			\
 				drivers/arm/gic/arm_gic.c		\
 				drivers/arm/gic/gic_v2.c		\
 				drivers/arm/gic/gic_v3.c		\