/* * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef MCSI_H #define MCSI_H #define SLAVE_IFACE7_OFFSET 0x1700 #define SLAVE_IFACE6_OFFSET 0x1600 #define SLAVE_IFACE5_OFFSET 0x1500 #define SLAVE_IFACE4_OFFSET 0x1400 #define SLAVE_IFACE3_OFFSET 0x1300 #define SLAVE_IFACE2_OFFSET 0x1200 #define SLAVE_IFACE1_OFFSET 0x1100 #define SLAVE_IFACE0_OFFSET 0x1000 #define SLAVE_IFACE_OFFSET(index) (SLAVE_IFACE0_OFFSET + \ (0x100 * (index))) /* Control and ID register offsets */ #define CENTRAL_CTRL_REG 0x0 #define ERR_FLAG_REG 0x4 #define SF_INIT_REG 0x10 #define SF_CTRL_REG 0x14 #define DCM_CTRL_REG 0x18 #define ERR_FLAG2_REG 0x20 #define SNP_PENDING_REG 0x28 #define ACP_PENDING_REG 0x2c #define FLUSH_SF 0x500 #define SYS_CCE_CTRL 0x2000 #define MST1_CTRL 0x2100 #define MTS2_CTRL 0x2200 #define XBAR_ARAW_ARB 0x3000 #define XBAR_R_ARB 0x3004 /* Slave interface register offsets */ #define SNOOP_CTRL_REG 0x0 #define QOS_CTRL_REG 0x4 #define QOS_OVERRIDE_REG 0x8 #define QOS_TARGET_REG 0xc #define BD_CTRL_REG 0x40 /* Snoop Control register bit definitions */ #define DVM_SUPPORT (1U << 31) #define SNP_SUPPORT (1 << 30) #define SHAREABLE_OVWRT (1 << 2) #define DVM_EN_BIT (1 << 1) #define SNOOP_EN_BIT (1 << 0) #define SF2_INIT_DONE (1 << 17) #define SF1_INIT_DONE (1 << 16) #define TRIG_SF2_INIT (1 << 1) #define TRIG_SF1_INIT (1 << 0) /* Status register bit definitions */ #define SNP_PENDING 31 /* Status bit */ #define NS_ACC 1 #define S_ACC 0 /* Central control register bit definitions */ #define PMU_SECURE_ACC_EN (1 << 4) #define INT_EN (1 << 3) #define SECURE_ACC_EN (1 << 2) #define DVM_DIS (1 << 1) #define SNOOP_DIS (1 << 0) #define MSCI_MEMORY_SZ (0x10000) #define MCSI_REG_ACCESS_READ (0x0) #define MCSI_REG_ACCESS_WRITE (0x1) #define MCSI_REG_ACCESS_SET_BITMASK (0x2) #define MCSI_REG_ACCESS_CLEAR_BITMASK (0x3) #define NR_MAX_SLV (7) /* ICCS */ #define CACHE_INSTR_EN (1 << 2) #define IDLE_CACHE (1 << 3) #define USE_SHARED_CACHE (1 << 4) #define CACHE_SHARED_PRE_EN (1 << 5) #define CACHE_SHARED_POST_EN (1 << 6) #define ACP_PENDING_MASK (0x1007f) #define CCI_CLK_CTRL (MCUCFG_BASE + 0x660) #ifndef __ASSEMBLY__ #include #include /* Function declarations */ /* * The MCSI driver must be initialized with the base address of the * MCSI device in the platform memory map, and the cluster indices for * the MCSI slave interfaces 3 and 4 respectively. These are the fully * coherent ACE slave interfaces of MCSI. * 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 mcsi_init(unsigned long cci_base, unsigned int num_cci_masters); void mcsi_cache_flush(void); void cci_enable_cluster_coherency(unsigned long mpidr); void cci_disable_cluster_coherency(unsigned long mpidr); void cci_secure_switch(unsigned int ns); void cci_init_sf(void); unsigned long cci_reg_access(unsigned int op, unsigned long offset, unsigned long val); #endif /* __ASSEMBLY__ */ #endif /* MCSI_H */