diff options
Diffstat (limited to 'include/drivers/arm/gic600ae_fmu.h')
| -rw-r--r-- | include/drivers/arm/gic600ae_fmu.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/include/drivers/arm/gic600ae_fmu.h b/include/drivers/arm/gic600ae_fmu.h new file mode 100644 index 000000000..691ffc7b7 --- /dev/null +++ b/include/drivers/arm/gic600ae_fmu.h @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2021, NVIDIA Corporation. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef GIC600AE_FMU_H +#define GIC600AE_FMU_H + +/******************************************************************************* + * GIC600-AE FMU register offsets and constants + ******************************************************************************/ +#define GICFMU_ERRFR_LO U(0x000) +#define GICFMU_ERRFR_HI U(0x004) +#define GICFMU_ERRCTLR_LO U(0x008) +#define GICFMU_ERRCTLR_HI U(0x00C) +#define GICFMU_ERRSTATUS_LO U(0x010) +#define GICFMU_ERRSTATUS_HI U(0x014) +#define GICFMU_ERRGSR_LO U(0xE00) +#define GICFMU_ERRGSR_HI U(0xE04) +#define GICFMU_KEY U(0xEA0) +#define GICFMU_PINGCTLR U(0xEA4) +#define GICFMU_PINGNOW U(0xEA8) +#define GICFMU_SMEN U(0xEB0) +#define GICFMU_SMINJERR U(0xEB4) +#define GICFMU_PINGMASK_LO U(0xEC0) +#define GICFMU_PINGMASK_HI U(0xEC4) +#define GICFMU_STATUS U(0xF00) +#define GICFMU_ERRIDR U(0xFC8) + +/* ERRCTLR bits */ +#define FMU_ERRCTLR_ED_BIT BIT(0) +#define FMU_ERRCTLR_CE_EN_BIT BIT(1) +#define FMU_ERRCTLR_UI_BIT BIT(2) +#define FMU_ERRCTLR_CI_BIT BIT(3) + +/* SMEN constants */ +#define FMU_SMEN_BLK_SHIFT U(8) +#define FMU_SMEN_SMID_SHIFT U(24) + +/* Error record IDs */ +#define FMU_BLK_GICD U(0) +#define FMU_BLK_SPICOL U(1) +#define FMU_BLK_WAKERQ U(2) +#define FMU_BLK_ITS0 U(4) +#define FMU_BLK_ITS1 U(5) +#define FMU_BLK_ITS2 U(6) +#define FMU_BLK_ITS3 U(7) +#define FMU_BLK_ITS4 U(8) +#define FMU_BLK_ITS5 U(9) +#define FMU_BLK_ITS6 U(10) +#define FMU_BLK_ITS7 U(11) +#define FMU_BLK_PPI0 U(12) +#define FMU_BLK_PPI1 U(13) +#define FMU_BLK_PPI2 U(14) +#define FMU_BLK_PPI3 U(15) +#define FMU_BLK_PPI4 U(16) +#define FMU_BLK_PPI5 U(17) +#define FMU_BLK_PPI6 U(18) +#define FMU_BLK_PPI7 U(19) +#define FMU_BLK_PPI8 U(20) +#define FMU_BLK_PPI9 U(21) +#define FMU_BLK_PPI10 U(22) +#define FMU_BLK_PPI11 U(23) +#define FMU_BLK_PPI12 U(24) +#define FMU_BLK_PPI13 U(25) +#define FMU_BLK_PPI14 U(26) +#define FMU_BLK_PPI15 U(27) +#define FMU_BLK_PPI16 U(28) +#define FMU_BLK_PPI17 U(29) +#define FMU_BLK_PPI18 U(30) +#define FMU_BLK_PPI19 U(31) +#define FMU_BLK_PPI20 U(32) +#define FMU_BLK_PPI21 U(33) +#define FMU_BLK_PPI22 U(34) +#define FMU_BLK_PPI23 U(35) +#define FMU_BLK_PPI24 U(36) +#define FMU_BLK_PPI25 U(37) +#define FMU_BLK_PPI26 U(38) +#define FMU_BLK_PPI27 U(39) +#define FMU_BLK_PPI28 U(40) +#define FMU_BLK_PPI29 U(41) +#define FMU_BLK_PPI30 U(42) +#define FMU_BLK_PPI31 U(43) +#define FMU_BLK_PRESENT_MASK U(0xFFFFFFFFFFF) + +/* Safety Mechamism limit */ +#define FMU_SMID_GICD_MAX U(33) +#define FMU_SMID_SPICOL_MAX U(5) +#define FMU_SMID_WAKERQ_MAX U(2) +#define FMU_SMID_ITS_MAX U(14) +#define FMU_SMID_PPI_MAX U(12) + +/* MBIST Safety Mechanism ID */ +#define GICD_MBIST_REQ_ERROR U(23) +#define GICD_FMU_CLKGATE_ERROR U(33) +#define PPI_MBIST_REQ_ERROR U(10) +#define PPI_FMU_CLKGATE_ERROR U(12) +#define ITS_MBIST_REQ_ERROR U(13) +#define ITS_FMU_CLKGATE_ERROR U(14) + +/* ERRSTATUS bits */ +#define FMU_ERRSTATUS_V_BIT BIT(30) +#define FMU_ERRSTATUS_UE_BIT BIT(29) +#define FMU_ERRSTATUS_OV_BIT BIT(27) +#define FMU_ERRSTATUS_CE_BITS (BIT(25) | BIT(24)) +#define FMU_ERRSTATUS_CLEAR (FMU_ERRSTATUS_V_BIT | FMU_ERRSTATUS_UE_BIT | \ + FMU_ERRSTATUS_OV_BIT | FMU_ERRSTATUS_CE_BITS) + +/* PINGCTLR constants */ +#define FMU_PINGCTLR_INTDIFF_SHIFT U(16) +#define FMU_PINGCTLR_TIMEOUTVAL_SHIFT U(4) +#define FMU_PINGCTLR_EN_BIT BIT(0) + +#ifndef __ASSEMBLER__ + +#include <stdint.h> + +#include <arch_helpers.h> + +/******************************************************************************* + * GIC600 FMU EL3 driver API + ******************************************************************************/ +uint64_t gic_fmu_read_errfr(uintptr_t base, unsigned int n); +uint64_t gic_fmu_read_errctlr(uintptr_t base, unsigned int n); +uint64_t gic_fmu_read_errstatus(uintptr_t base, unsigned int n); +uint64_t gic_fmu_read_errgsr(uintptr_t base); +uint32_t gic_fmu_read_pingctlr(uintptr_t base); +uint32_t gic_fmu_read_pingnow(uintptr_t base); +uint64_t gic_fmu_read_pingmask(uintptr_t base); +uint32_t gic_fmu_read_status(uintptr_t base); +uint32_t gic_fmu_read_erridr(uintptr_t base); +void gic_fmu_write_errctlr(uintptr_t base, unsigned int n, uint64_t val); +void gic_fmu_write_errstatus(uintptr_t base, unsigned int n, uint64_t val); +void gic_fmu_write_pingctlr(uintptr_t base, uint32_t val); +void gic_fmu_write_pingnow(uintptr_t base, uint32_t val); +void gic_fmu_write_smen(uintptr_t base, uint32_t val); +void gic_fmu_write_sminjerr(uintptr_t base, uint32_t val); +void gic_fmu_write_pingmask(uintptr_t base, uint64_t val); + +void gic600_fmu_init(uint64_t base, uint64_t blk_present_mask, bool errctlr_ce_en, bool errctlr_ue_en); +void gic600_fmu_enable_ping(uint64_t base, uint64_t blk_present_mask, + unsigned int timeout_val, unsigned int interval_diff); +void gic600_fmu_print_sm_info(uint64_t base, unsigned int blk, unsigned int smid); + +#endif /* __ASSEMBLER__ */ + +#endif /* GIC600AE_FMU_H */ |