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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __CCI_H__
#define __CCI_H__
/* Slave interface offsets from PERIPHBASE */
#define SLAVE_IFACE6_OFFSET 0x7000
#define SLAVE_IFACE5_OFFSET 0x6000
#define SLAVE_IFACE4_OFFSET 0x5000
#define SLAVE_IFACE3_OFFSET 0x4000
#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)))
/* Slave interface event and count register offsets from PERIPHBASE */
#define EVENT_SELECT7_OFFSET 0x80000
#define EVENT_SELECT6_OFFSET 0x70000
#define EVENT_SELECT5_OFFSET 0x60000
#define EVENT_SELECT4_OFFSET 0x50000
#define EVENT_SELECT3_OFFSET 0x40000
#define EVENT_SELECT2_OFFSET 0x30000
#define EVENT_SELECT1_OFFSET 0x20000
#define EVENT_SELECT0_OFFSET 0x10000
#define EVENT_OFFSET(index) (EVENT_SELECT0_OFFSET + \
(0x10000 * (index)))
/* Control and ID register offsets */
#define CTRL_OVERRIDE_REG 0x0
#define SECURE_ACCESS_REG 0x8
#define STATUS_REG 0xc
#define IMPRECISE_ERR_REG 0x10
#define PERFMON_CTRL_REG 0x100
#define IFACE_MON_CTRL_REG 0x104
/* Component and peripheral ID registers */
#define PERIPHERAL_ID0 0xFE0
#define PERIPHERAL_ID1 0xFE4
#define PERIPHERAL_ID2 0xFE8
#define PERIPHERAL_ID3 0xFEC
#define PERIPHERAL_ID4 0xFD0
#define PERIPHERAL_ID5 0xFD4
#define PERIPHERAL_ID6 0xFD8
#define PERIPHERAL_ID7 0xFDC
#define COMPONENT_ID0 0xFF0
#define COMPONENT_ID1 0xFF4
#define COMPONENT_ID2 0xFF8
#define COMPONENT_ID3 0xFFC
#define COMPONENT_ID4 0x1000
#define COMPONENT_ID5 0x1004
#define COMPONENT_ID6 0x1008
#define COMPONENT_ID7 0x100C
/* Slave interface register offsets */
#define SNOOP_CTRL_REG 0x0
#define SH_OVERRIDE_REG 0x4
#define READ_CHNL_QOS_VAL_OVERRIDE_REG 0x100
#define WRITE_CHNL_QOS_VAL_OVERRIDE_REG 0x104
#define MAX_OT_REG 0x110
/* Snoop Control register bit definitions */
#define DVM_EN_BIT (1 << 1)
#define SNOOP_EN_BIT (1 << 0)
#define SUPPORT_SNOOPS (1 << 30)
#define SUPPORT_DVM (1 << 31)
/* Status register bit definitions */
#define CHANGE_PENDING_BIT (1 << 0)
/* Event and count register offsets */
#define EVENT_SELECT_REG 0x0
#define EVENT_COUNT_REG 0x4
#define COUNT_CNTRL_REG 0x8
#define COUNT_OVERFLOW_REG 0xC
/* Slave interface monitor registers */
#define INT_MON_REG_SI0 0x90000
#define INT_MON_REG_SI1 0x90004
#define INT_MON_REG_SI2 0x90008
#define INT_MON_REG_SI3 0x9000C
#define INT_MON_REG_SI4 0x90010
#define INT_MON_REG_SI5 0x90014
#define INT_MON_REG_SI6 0x90018
/* Master interface monitor registers */
#define INT_MON_REG_MI0 0x90100
#define INT_MON_REG_MI1 0x90104
#define INT_MON_REG_MI2 0x90108
#define INT_MON_REG_MI3 0x9010c
#define INT_MON_REG_MI4 0x90110
#define INT_MON_REG_MI5 0x90114
#define SLAVE_IF_UNUSED -1
#if ARM_CCI_PRODUCT_ID == 400
#define CCI_SLAVE_INTERFACE_COUNT 5
#elif ARM_CCI_PRODUCT_ID == 500
#define CCI_SLAVE_INTERFACE_COUNT 7
#else
#error "Invalid CCI product or CCI not supported"
#endif
#ifndef __ASSEMBLY__
#include <stdint.h>
/* Function declarations */
/*
* The ARM CCI driver needs the following:
* 1. Base address of the CCI-500/CCI-400
* 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 cci_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 /* __ASSEMBLY__ */
#endif /* __CCI_H__ */