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nxp: adding gic apis for nxp soc    
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/*
 * Copyright 2021 NXP
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */

#ifndef PLAT_GICV3_H
#define PLAT_GICV3_H

#include <drivers/arm/gicv3.h>

 /* offset between redistributors */
#define GIC_RD_OFFSET       0x00020000
 /* offset between SGI's */
#define GIC_SGI_OFFSET      0x00020000
 /* offset from rd base to sgi base */
#define GIC_RD_2_SGI_OFFSET 0x00010000

 /* register offsets */
#define GICD_CTLR_OFFSET        0x0
#define GICD_CLR_SPI_SR         0x58
#define GICD_IGROUPR_2          0x88
#define GICD_ISENABLER_2        0x108
#define GICD_ICENABLER_2        0x188
#define GICD_ICPENDR_2          0x288
#define GICD_ICACTIVER_2        0x388
#define GICD_IPRIORITYR_22      0x458
#define GICD_ICFGR_5            0xC14
#define GICD_IGRPMODR_2         0xD08

#define GICD_IROUTER60_OFFSET   0x61e0
#define GICD_IROUTER76_OFFSET   0x6260
#define GICD_IROUTER89_OFFSET   0x62C8
#define GICD_IROUTER112_OFFSET  0x6380
#define GICD_IROUTER113_OFFSET  0x6388

#define GICR_ICENABLER0_OFFSET  0x180
#define GICR_CTLR_OFFSET        0x0
#define GICR_IGROUPR0_OFFSET    0x80
#define GICR_IGRPMODR0_OFFSET   0xD00
#define GICR_IPRIORITYR3_OFFSET 0x40C
#define GICR_ICPENDR0_OFFSET    0x280
#define GICR_ISENABLER0_OFFSET  0x100
#define GICR_TYPER_OFFSET       0x8
#define GICR_WAKER_OFFSET       0x14
#define GICR_ICACTIVER0_OFFSET  0x380
#define GICR_ICFGR0_OFFSET      0xC00

 /* bitfield masks */
#define GICD_CTLR_EN_GRP_MASK   0x7
#define GICD_CTLR_EN_GRP_1NS    0x2
#define GICD_CTLR_EN_GRP_1S     0x4
#define GICD_CTLR_EN_GRP_0      0x1
#define GICD_CTLR_ARE_S_MASK    0x10
#define GICD_CTLR_RWP           0x80000000

#define GICR_ICENABLER0_SGI15   0x00008000
#define GICR_CTLR_RWP           0x8
#define GICR_CTLR_DPG0_MASK     0x2000000
#define GICR_IGROUPR0_SGI15     0x00008000
#define GICR_IGRPMODR0_SGI15    0x00008000
#define GICR_ISENABLER0_SGI15   0x00008000
#define GICR_IPRIORITYR3_SGI15_MASK  0xFF000000
#define GICR_ICPENDR0_SGI15     0x8000

#define GIC_SPI_89_MASK         0x02000000
#define GIC_SPI89_PRIORITY_MASK 0xFF00
#define GIC_IRM_SPI89           0x80000000

#define GICD_IROUTER_VALUE      0x100
#define GICR_WAKER_SLEEP_BIT    0x2
#define GICR_WAKER_ASLEEP       (1 << 2 | 1 << 1)

#define ICC_SRE_EL3_SRE          0x1
#define ICC_IGRPEN0_EL1_EN       0x1
#define ICC_CTLR_EL3_CBPR_EL1S   0x1
#define ICC_CTLR_EL3_RM          0x20
#define ICC_CTLR_EL3_EOIMODE_EL3 0x4
#define ICC_CTLR_EL3_PMHE        0x40
#define ICC_PMR_EL1_P_FILTER     0xFF
#define ICC_IAR0_EL1_SGI15       0xF
#define ICC_SGI0R_EL1_INTID      0x0F000000
#define ICC_IAR0_INTID_SPI_89    0x59

#define  ICC_IGRPEN1_EL1 S3_0_C12_C12_7
#define  ICC_PMR_EL1     S3_0_C4_C6_0
#define  ICC_SRE_EL3     S3_6_C12_C12_5
#define  ICC_CTLR_EL3    S3_6_C12_C12_4
#define  ICC_SRE_EL2     S3_4_C12_C9_5
#define  ICC_CTLR_EL1    S3_0_C12_C12_4

#ifndef __ASSEMBLER__

/* GIC common API's */
typedef unsigned int (*my_core_pos_fn)(void);

void plat_ls_gic_driver_init(const uintptr_t nxp_gicd_addr,
			     const uintptr_t nxp_gicr_addr,
			     uint8_t plat_core_count,
			     interrupt_prop_t *ls_interrupt_props,
			     uint8_t ls_interrupt_prop_count,
			     uintptr_t *target_mask_array,
			     mpidr_hash_fn mpidr_to_core_pos);
//void plat_ls_gic_driver_init(void);
void plat_ls_gic_init(void);
void plat_ls_gic_cpuif_enable(void);
void plat_ls_gic_cpuif_disable(void);
void plat_ls_gic_redistif_on(void);
void plat_ls_gic_redistif_off(void);
void plat_gic_pcpu_init(void);
#endif

#endif /* PLAT_GICV3_H */