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Diffstat (limited to '')
| -rw-r--r-- | include/drivers/arm/cci.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/include/drivers/arm/cci.h b/include/drivers/arm/cci.h new file mode 100644 index 0000000..5aea95a --- /dev/null +++ b/include/drivers/arm/cci.h @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef CCI_H +#define CCI_H + +#include <lib/utils_def.h> + +/* Slave interface offsets from PERIPHBASE */ +#define SLAVE_IFACE6_OFFSET UL(0x7000) +#define SLAVE_IFACE5_OFFSET UL(0x6000) +#define SLAVE_IFACE4_OFFSET UL(0x5000) +#define SLAVE_IFACE3_OFFSET UL(0x4000) +#define SLAVE_IFACE2_OFFSET UL(0x3000) +#define SLAVE_IFACE1_OFFSET UL(0x2000) +#define SLAVE_IFACE0_OFFSET UL(0x1000) +#define SLAVE_IFACE_OFFSET(index) (SLAVE_IFACE0_OFFSET + \ + (UL(0x1000) * (index))) + +/* Slave interface event and count register offsets from PERIPHBASE */ +#define EVENT_SELECT7_OFFSET UL(0x80000) +#define EVENT_SELECT6_OFFSET UL(0x70000) +#define EVENT_SELECT5_OFFSET UL(0x60000) +#define EVENT_SELECT4_OFFSET UL(0x50000) +#define EVENT_SELECT3_OFFSET UL(0x40000) +#define EVENT_SELECT2_OFFSET UL(0x30000) +#define EVENT_SELECT1_OFFSET UL(0x20000) +#define EVENT_SELECT0_OFFSET UL(0x10000) +#define EVENT_OFFSET(index) (EVENT_SELECT0_OFFSET + \ + (UL(0x10000) * (index))) + +/* Control and ID register offsets */ +#define CTRL_OVERRIDE_REG U(0x0) +#define SECURE_ACCESS_REG U(0x8) +#define STATUS_REG U(0xc) +#define IMPRECISE_ERR_REG U(0x10) +#define PERFMON_CTRL_REG U(0x100) +#define IFACE_MON_CTRL_REG U(0x104) + +/* Component and peripheral ID registers */ +#define PERIPHERAL_ID0 U(0xFE0) +#define PERIPHERAL_ID1 U(0xFE4) +#define PERIPHERAL_ID2 U(0xFE8) +#define PERIPHERAL_ID3 U(0xFEC) +#define PERIPHERAL_ID4 U(0xFD0) +#define PERIPHERAL_ID5 U(0xFD4) +#define PERIPHERAL_ID6 U(0xFD8) +#define PERIPHERAL_ID7 U(0xFDC) + +#define COMPONENT_ID0 U(0xFF0) +#define COMPONENT_ID1 U(0xFF4) +#define COMPONENT_ID2 U(0xFF8) +#define COMPONENT_ID3 U(0xFFC) +#define COMPONENT_ID4 U(0x1000) +#define COMPONENT_ID5 U(0x1004) +#define COMPONENT_ID6 U(0x1008) +#define COMPONENT_ID7 U(0x100C) + +/* Slave interface register offsets */ +#define SNOOP_CTRL_REG U(0x0) +#define SH_OVERRIDE_REG U(0x4) +#define READ_CHNL_QOS_VAL_OVERRIDE_REG U(0x100) +#define WRITE_CHNL_QOS_VAL_OVERRIDE_REG U(0x104) +#define MAX_OT_REG U(0x110) + +/* Snoop Control register bit definitions */ +#define DVM_EN_BIT BIT_32(1) +#define SNOOP_EN_BIT BIT_32(0) +#define SUPPORT_SNOOPS BIT_32(30) +#define SUPPORT_DVM BIT_32(31) + +/* Status register bit definitions */ +#define CHANGE_PENDING_BIT BIT_32(0) + +/* Event and count register offsets */ +#define EVENT_SELECT_REG U(0x0) +#define EVENT_COUNT_REG U(0x4) +#define COUNT_CNTRL_REG U(0x8) +#define COUNT_OVERFLOW_REG U(0xC) + +/* Slave interface monitor registers */ +#define INT_MON_REG_SI0 U(0x90000) +#define INT_MON_REG_SI1 U(0x90004) +#define INT_MON_REG_SI2 U(0x90008) +#define INT_MON_REG_SI3 U(0x9000C) +#define INT_MON_REG_SI4 U(0x90010) +#define INT_MON_REG_SI5 U(0x90014) +#define INT_MON_REG_SI6 U(0x90018) + +/* Master interface monitor registers */ +#define INT_MON_REG_MI0 U(0x90100) +#define INT_MON_REG_MI1 U(0x90104) +#define INT_MON_REG_MI2 U(0x90108) +#define INT_MON_REG_MI3 U(0x9010c) +#define INT_MON_REG_MI4 U(0x90110) +#define INT_MON_REG_MI5 U(0x90114) + +#define SLAVE_IF_UNUSED -1 + +#ifndef __ASSEMBLER__ + +#include <stdint.h> + +/* Function declarations */ + +/* + * The ARM CCI driver needs the following: + * 1. Base address of the CCI product + * 2. An array of map between AMBA 4 master ids and ACE/ACE lite slave + * interfaces. + * 3. Size of the array. + * + * SLAVE_IF_UNUSED should be used in the map to represent no AMBA 4 master exists + * for that interface. + */ +void cci_init(uintptr_t base, const int *map, unsigned int num_cci_masters); + +void cci_enable_snoop_dvm_reqs(unsigned int master_id); +void cci_disable_snoop_dvm_reqs(unsigned int master_id); + +#endif /* __ASSEMBLER__ */ +#endif /* CCI_H */ |