nxp: adding gic apis for nxp soc

GIC api used by NXP SoC is based on:
- arm provided drivers: /drivers/arm/gic

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: If3d470256e5bd078614f191e56062c4fbd97f8bd
This commit is contained in:
Pankaj Gupta 2020-12-09 14:02:39 +05:30
parent e3e48b5c38
commit b53334dac4
5 changed files with 386 additions and 0 deletions

46
drivers/nxp/gic/gic.mk Normal file
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# Copyright 2021 NXP
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
#------------------------------------------------------------------------------
#
# Select the GIC files
#
# -----------------------------------------------------------------------------
ifeq (${ADD_GIC},)
ADD_GIC := 1
ifeq ($(GIC), GIC400)
include drivers/arm/gic/v2/gicv2.mk
GIC_SOURCES += ${GICV2_SOURCES}
GIC_SOURCES += ${PLAT_DRIVERS_PATH}/gic/ls_gicv2.c \
plat/common/plat_gicv2.c
PLAT_INCLUDES += -I${PLAT_DRIVERS_PATH}/gic/include/gicv2
else
ifeq ($(GIC), GIC500)
include drivers/arm/gic/v3/gicv3.mk
GIC_SOURCES += ${GICV3_SOURCES}
GIC_SOURCES += ${PLAT_DRIVERS_PATH}/gic/ls_gicv3.c \
plat/common/plat_gicv3.c
PLAT_INCLUDES += -I${PLAT_DRIVERS_PATH}/gic/include/gicv3
else
$(error -> GIC type not set!)
endif
endif
ifeq (${BL_COMM_GIC_NEEDED},yes)
BL_COMMON_SOURCES += ${GIC_SOURCES}
else
ifeq (${BL2_GIC_NEEDED},yes)
BL2_SOURCES += ${GIC_SOURCES}
endif
ifeq (${BL31_GIC_NEEDED},yes)
BL31_SOURCES += ${GIC_SOURCES}
endif
endif
endif
# -----------------------------------------------------------------------------

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/*
* Copyright 2021 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#ifndef PLAT_GICV2_H
#define PLAT_GICV2_H
#include <drivers/arm/gicv2.h>
/* register offsets */
#define GICD_CTLR_OFFSET 0x0
#define GICD_CPENDSGIR3_OFFSET 0xF1C
#define GICD_SPENDSGIR3_OFFSET 0xF2C
#define GICD_SGIR_OFFSET 0xF00
#define GICD_IGROUPR0_OFFSET 0x080
#define GICD_TYPER_OFFSET 0x0004
#define GICD_ISENABLER0_OFFSET 0x0100
#define GICD_ICENABLER0_OFFSET 0x0180
#define GICD_IPRIORITYR3_OFFSET 0x040C
#define GICD_ISENABLERn_OFFSET 0x0100
#define GICD_ISACTIVER0_OFFSET 0x300
#define GICC_CTLR_OFFSET 0x0
#define GICC_PMR_OFFSET 0x0004
#define GICC_IAR_OFFSET 0x000C
#define GICC_DIR_OFFSET 0x1000
#define GICC_EOIR_OFFSET 0x0010
/* bitfield masks */
#define GICC_CTLR_EN_GRP0 0x1
#define GICC_CTLR_EN_GRP1 0x2
#define GICC_CTLR_EOImodeS_MASK 0x200
#define GICC_CTLR_DIS_BYPASS 0x60
#define GICC_CTLR_CBPR_MASK 0x10
#define GICC_CTLR_FIQ_EN_MASK 0x8
#define GICC_CTLR_ACKCTL_MASK 0x4
#define GICC_PMR_FILTER 0xFF
#define GICD_CTLR_EN_GRP0 0x1
#define GICD_CTLR_EN_GRP1 0x2
#define GICD_IGROUP0_SGI15 0x8000
#define GICD_ISENABLE0_SGI15 0x8000
#define GICD_ICENABLE0_SGI15 0x8000
#define GICD_ISACTIVER0_SGI15 0x8000
#define GICD_CPENDSGIR_CLR_MASK 0xFF000000
#define GICD_IPRIORITY_SGI15_MASK 0xFF000000
#define GICD_SPENDSGIR3_SGI15_MASK 0xFF000000
#define GICD_SPENDSGIR3_SGI15_OFFSET 0x18
#ifndef __ASSEMBLER__
/* GIC common API's */
void plat_ls_gic_driver_init(const uintptr_t nxp_gicd_addr,
const uintptr_t nxp_gicc_addr,
uint8_t plat_core_count,
interrupt_prop_t *ls_interrupt_props,
uint8_t ls_interrupt_prop_count,
uint32_t *target_mask_array);
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);
/* GIC utility functions */
void get_gic_offset(uint32_t *gicc_base, uint32_t *gicd_base);
#endif
#endif /* PLAT_GICV2_H */

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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 */

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/*
* Copyright 2021 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include <gicv2.h>
#include <plat_gic.h>
/*
* NXP common helper to initialize the GICv3 only driver.
*/
void plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,
uintptr_t nxp_gicc_addr,
uint8_t plat_core_count,
interrupt_prop_t *ls_interrupt_props,
uint8_t ls_interrupt_prop_count,
uint32_t *target_mask_array)
{
static struct gicv2_driver_data ls_gic_data;
ls_gic_data.gicd_base = nxp_gicd_addr;
ls_gic_data.gicc_base = nxp_gicc_addr;
ls_gic_data.target_masks = target_mask_array;
ls_gic_data.target_masks_num = plat_core_count;
ls_gic_data.interrupt_props = ls_interrupt_props;
ls_gic_data.interrupt_props_num = ls_interrupt_prop_count;
gicv2_driver_init(&ls_gic_data);
}
void plat_ls_gic_init(void)
{
gicv2_distif_init();
gicv2_pcpu_distif_init();
gicv2_cpuif_enable();
}
/******************************************************************************
* ARM common helper to enable the GICv2 CPU interface
*****************************************************************************/
void plat_ls_gic_cpuif_enable(void)
{
gicv2_cpuif_enable();
}
/******************************************************************************
* ARM common helper to disable the GICv2 CPU interface
*****************************************************************************/
void plat_ls_gic_cpuif_disable(void)
{
gicv2_cpuif_disable();
}
/******************************************************************************
* NXP common helper to initialize GICv2 per cpu
*****************************************************************************/
void plat_gic_pcpu_init(void)
{
gicv2_pcpu_distif_init();
gicv2_cpuif_enable();
}
/******************************************************************************
* Stubs for Redistributor power management. Although GICv2 doesn't have
* Redistributor interface, these are provided for the sake of uniform GIC API
*****************************************************************************/
void plat_ls_gic_redistif_on(void)
{
}
void plat_ls_gic_redistif_off(void)
{
}

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/*
* Copyright 2021 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#include <drivers/arm/gicv3.h>
#include <plat_gic.h>
#include <plat/common/platform.h>
/*
* NXP common helper to initialize the GICv3 only driver.
*/
void plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,
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)
{
static struct gicv3_driver_data ls_gic_data;
ls_gic_data.gicd_base = nxp_gicd_addr;
ls_gic_data.gicr_base = nxp_gicr_addr;
ls_gic_data.interrupt_props = ls_interrupt_props;
ls_gic_data.interrupt_props_num = ls_interrupt_prop_count;
ls_gic_data.rdistif_num = plat_core_count;
ls_gic_data.rdistif_base_addrs = target_mask_array;
ls_gic_data.mpidr_to_core_pos = mpidr_to_core_pos;
gicv3_driver_init(&ls_gic_data);
}
void plat_ls_gic_init(void)
{
gicv3_distif_init();
gicv3_rdistif_init(plat_my_core_pos());
gicv3_cpuif_enable(plat_my_core_pos());
}
/*
* NXP common helper to enable the GICv3 CPU interface
*/
void plat_ls_gic_cpuif_enable(void)
{
gicv3_cpuif_enable(plat_my_core_pos());
}
/*
* NXP common helper to disable the GICv3 CPU interface
*/
void plat_ls_gic_cpuif_disable(void)
{
gicv3_cpuif_disable(plat_my_core_pos());
}
/*
* NXP common helper to initialize the per cpu distributor interface in GICv3
*/
void plat_gic_pcpu_init(void)
{
gicv3_rdistif_init(plat_my_core_pos());
gicv3_cpuif_enable(plat_my_core_pos());
}
/*
* Stubs for Redistributor power management. Although GICv3 doesn't have
* Redistributor interface, these are provided for the sake of uniform GIC API
*/
void plat_ls_gic_redistif_on(void)
{
}
void plat_ls_gic_redistif_off(void)
{
}