diff options
Diffstat (limited to 'include/drivers/arm/cci400.h')
| -rw-r--r-- | include/drivers/arm/cci400.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/drivers/arm/cci400.h b/include/drivers/arm/cci400.h index 6246e480..7756bdfa 100644 --- a/include/drivers/arm/cci400.h +++ b/include/drivers/arm/cci400.h @@ -37,7 +37,8 @@ #define SLAVE_IFACE2_OFFSET 0x3000 #define SLAVE_IFACE1_OFFSET 0x2000 #define SLAVE_IFACE0_OFFSET 0x1000 -#define SLAVE_IFACE_OFFSET(index) SLAVE_IFACE0_OFFSET + (0x1000 * index) +#define SLAVE_IFACE_OFFSET(index) SLAVE_IFACE0_OFFSET + \ + (0x1000 * (index)) /* Control and ID register offsets */ #define CTRL_OVERRIDE_REG 0x0 @@ -68,8 +69,22 @@ #ifndef __ASSEMBLY__ /* Function declarations */ -void cci_enable_coherency(unsigned long mpidr); -void cci_disable_coherency(unsigned long mpidr); + +/* + * The CCI-400 driver must be initialized with the base address of the + * CCI-400 device in the platform memory map, and the cluster indices for + * the CCI-400 slave interfaces 3 and 4 respectively. These are the fully + * coherent ACE slave interfaces of CCI-400. + * The cluster indices must either be 0 or 1, corresponding to the level 1 + * affinity instance of the mpidr representing the cluster. A negative cluster + * index indicates that no cluster is present on that slave interface. + */ +void cci_init(unsigned long cci_base, + int slave_iface3_cluster_ix, + int slave_iface4_cluster_ix); + +void cci_enable_cluster_coherency(unsigned long mpidr); +void cci_disable_cluster_coherency(unsigned long mpidr); #endif /* __ASSEMBLY__ */ #endif /* __CCI_400_H__ */ |