/* * Copyright (c) 2013-2017, 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 __ARCH_H__ #define __ARCH_H__ /******************************************************************************* * MIDR bit definitions ******************************************************************************/ #define MIDR_IMPL_MASK 0xff #define MIDR_IMPL_SHIFT 0x18 #define MIDR_VAR_SHIFT 20 #define MIDR_VAR_BITS 4 #define MIDR_VAR_MASK 0xf #define MIDR_REV_SHIFT 0 #define MIDR_REV_BITS 4 #define MIDR_REV_MASK 0xf #define MIDR_PN_MASK 0xfff #define MIDR_PN_SHIFT 0x4 /******************************************************************************* * MPIDR macros ******************************************************************************/ #define MPIDR_MT_MASK (1 << 24) #define MPIDR_CPU_MASK MPIDR_AFFLVL_MASK #define MPIDR_CLUSTER_MASK MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS #define MPIDR_AFFINITY_BITS 8 #define MPIDR_AFFLVL_MASK 0xff #define MPIDR_AFF0_SHIFT 0 #define MPIDR_AFF1_SHIFT 8 #define MPIDR_AFF2_SHIFT 16 #define MPIDR_AFF3_SHIFT 32 #define MPIDR_AFFINITY_MASK 0xff00ffffff #define MPIDR_AFFLVL_SHIFT 3 #define MPIDR_AFFLVL0 0 #define MPIDR_AFFLVL1 1 #define MPIDR_AFFLVL2 2 #define MPIDR_AFFLVL3 3 #define MPIDR_AFFLVL0_VAL(mpidr) \ ((mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK) #define MPIDR_AFFLVL1_VAL(mpidr) \ ((mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK) #define MPIDR_AFFLVL2_VAL(mpidr) \ ((mpidr >> MPIDR_AFF2_SHIFT) & MPIDR_AFFLVL_MASK) #define MPIDR_AFFLVL3_VAL(mpidr) \ ((mpidr >> MPIDR_AFF3_SHIFT) & MPIDR_AFFLVL_MASK) /* * The MPIDR_MAX_AFFLVL count starts from 0. Take care to * add one while using this macro to define array sizes. * TODO: Support only the first 3 affinity levels for now. */ #define MPIDR_MAX_AFFLVL 2 /* Constant to highlight the assumption that MPIDR allocation starts from 0 */ #define FIRST_MPIDR 0 /******************************************************************************* * Definitions for CPU system register interface to GICv3 ******************************************************************************/ #define ICC_SRE_EL1 S3_0_C12_C12_5 #define ICC_SRE_EL2 S3_4_C12_C9_5 #define ICC_SRE_EL3 S3_6_C12_C12_5 #define ICC_CTLR_EL1 S3_0_C12_C12_4 #define ICC_CTLR_EL3 S3_6_C12_C12_4 #define ICC_PMR_EL1 S3_0_C4_C6_0 #define ICC_IGRPEN1_EL3 S3_6_c12_c12_7 #define ICC_IGRPEN0_EL1 S3_0_c12_c12_6 #define ICC_HPPIR0_EL1 S3_0_c12_c8_2 #define ICC_HPPIR1_EL1 S3_0_c12_c12_2 #define ICC_IAR0_EL1 S3_0_c12_c8_0 #define ICC_IAR1_EL1 S3_0_c12_c12_0 #define ICC_EOIR0_EL1 S3_0_c12_c8_1 #define ICC_EOIR1_EL1 S3_0_c12_c12_1 /******************************************************************************* * Generic timer memory mapped registers & offsets ******************************************************************************/ #define CNTCR_OFF 0x000 #define CNTFID_OFF 0x020 #define CNTCR_EN (1 << 0) #define CNTCR_HDBG (1 << 1) #define CNTCR_FCREQ(x) ((x) << 8) /******************************************************************************* * System register bit definitions ******************************************************************************/ /* CLIDR definitions */ #define LOUIS_SHIFT 21 #define LOC_SHIFT 24 #define CLIDR_FIELD_WIDTH 3 /* CSSELR definitions */ #define LEVEL_SHIFT 1 /* D$ set/way op type defines */ #define DCISW 0x0 #define DCCISW 0x1 #define DCCSW 0x2 /* ID_AA64PFR0_EL1 definitions */ #define ID_AA64PFR0_EL0_SHIFT 0 #define ID_AA64PFR0_EL1_SHIFT 4 #define ID_AA64PFR0_EL2_SHIFT 8 #define ID_AA64PFR0_EL3_SHIFT 12 #define ID_AA64PFR0_ELX_MASK 0xf #define ID_AA64PFR0_GIC_SHIFT 24 #define ID_AA64PFR0_GIC_WIDTH 4 #define ID_AA64PFR0_GIC_MASK ((1 << ID_AA64PFR0_GIC_WIDTH) - 1) /* ID_AA64MMFR0_EL1 definitions */ #define ID_AA64MMFR0_EL1_PARANGE_MASK 0xf #define PARANGE_0000 32 #define PARANGE_0001 36 #define PARANGE_0010 40 #define PARANGE_0011 42 #define PARANGE_0100 44 #define PARANGE_0101 48 /* ID_PFR1_EL1 definitions */ #define ID_PFR1_VIRTEXT_SHIFT 12 #define ID_PFR1_VIRTEXT_MASK 0xf #define GET_VIRT_EXT(id) ((id >> ID_PFR1_VIRTEXT_SHIFT) \ & ID_PFR1_VIRTEXT_MASK) /* SCTLR definitions */ #define SCTLR_EL2_RES1 ((1 << 29) | (1 << 28) | (1 << 23) | (1 << 22) | \ (1 << 18) | (1 << 16) | (1 << 11) | (1 << 5) | \ (1 << 4)) #define SCTLR_EL1_RES1 ((1 << 29) | (1 << 28) | (1 << 23) | (1 << 22) | \ (1 << 20) | (1 << 11)) #define SCTLR_AARCH32_EL1_RES1 \ ((1 << 23) | (1 << 22) | (1 << 11) | (1 << 4) | \ (1 << 3)) #define SCTLR_M_BIT (1 << 0) #define SCTLR_A_BIT (1 << 1) #define SCTLR_C_BIT (1 << 2) #define SCTLR_SA_BIT (1 << 3) #define SCTLR_CP15BEN_BIT (1 << 5) #define SCTLR_I_BIT (1 << 12) #define SCTLR_NTWI_BIT (1 << 16) #define SCTLR_NTWE_BIT (1 << 18) #define SCTLR_WXN_BIT (1 << 19) #define SCTLR_EE_BIT (1 << 25) /* CPACR_El1 definitions */ #define CPACR_EL1_FPEN(x) (x << 20) #define CPACR_EL1_FP_TRAP_EL0 0x1 #define CPACR_EL1_FP_TRAP_ALL 0x2 #define CPACR_EL1_FP_TRAP_NONE 0x3 /* SCR definitions */ #define SCR_RES1_BITS ((1 << 4) | (1 << 5)) #define SCR_TWE_BIT (1 << 13) #define SCR_TWI_BIT (1 << 12) #define SCR_ST_BIT (1 << 11) #define SCR_RW_BIT (1 << 10) #define SCR_SIF_BIT (1 << 9) #define SCR_HCE_BIT (1 << 8) #define SCR_SMD_BIT (1 << 7) #define SCR_EA_BIT (1 << 3) #define SCR_FIQ_BIT (1 << 2) #define SCR_IRQ_BIT (1 << 1) #define SCR_NS_BIT (1 << 0) #define SCR_VALID_BIT_MASK 0x2f8f /* MDCR definitions */ #define MDCR_SPD32(x) ((x) << 14) #define MDCR_SPD32_LEGACY 0x0 #define MDCR_SPD32_DISABLE 0x2 #define MDCR_SPD32_ENABLE 0x3 #define MDCR_SDD_BIT (1 << 16) #define MDCR_DEF_VAL (MDCR_SDD_BIT | MDCR_SPD32(MDCR_SPD32_DISABLE)) /* HCR definitions */ #define HCR_RW_BIT (1ull << 31) #define HCR_AMO_BIT (1 << 5) #define HCR_IMO_BIT (1 << 4) #define HCR_FMO_BIT (1 << 3) /* ISR definitions */ #define ISR_A_SHIFT 8 #define ISR_I_SHIFT 7 #define ISR_F_SHIFT 6 /* CNTHCTL_EL2 definitions */ #define EVNTEN_BIT (1 << 2) #define EL1PCEN_BIT (1 << 1) #define EL1PCTEN_BIT (1 << 0) /* CNTKCTL_EL1 definitions */ #define EL0PTEN_BIT (1 << 9) #define EL0VTEN_BIT (1 << 8) #define EL0PCTEN_BIT (1 << 0) #define EL0VCTEN_BIT (1 << 1) #define EVNTEN_BIT (1 << 2) #define EVNTDIR_BIT (1 << 3) #define EVNTI_SHIFT 4 #define EVNTI_MASK 0xf /* CPTR_EL3 definitions */ #define TCPAC_BIT (1 << 31) #define TTA_BIT (1 << 20) #define TFP_BIT (1 << 10) /* CPSR/SPSR definitions */ #define DAIF_FIQ_BIT (1 << 0) #define DAIF_IRQ_BIT (1 << 1) #define DAIF_ABT_BIT (1 << 2) #define DAIF_DBG_BIT (1 << 3) #define SPSR_DAIF_SHIFT 6 #define SPSR_DAIF_MASK 0xf #define SPSR_AIF_SHIFT 6 #define SPSR_AIF_MASK 0x7 #define SPSR_E_SHIFT 9 #define SPSR_E_MASK 0x1 #define SPSR_E_LITTLE 0x0 #define SPSR_E_BIG 0x1 #define SPSR_T_SHIFT 5 #define SPSR_T_MASK 0x1 #define SPSR_T_ARM 0x0 #define SPSR_T_THUMB 0x1 #define DISABLE_ALL_EXCEPTIONS \ (DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT) /* * TCR defintions */ #define TCR_EL3_RES1 ((1UL << 31) | (1UL << 23)) #define TCR_EL1_IPS_SHIFT 32 #define TCR_EL3_PS_SHIFT 16 #define TCR_TxSZ_MIN 16 #define TCR_TxSZ_MAX 39 /* (internal) physical address size bits in EL3/EL1 */ #define TCR_PS_BITS_4GB (0x0) #define TCR_PS_BITS_64GB (0x1) #define TCR_PS_BITS_1TB (0x2) #define TCR_PS_BITS_4TB (0x3) #define TCR_PS_BITS_16TB (0x4) #define TCR_PS_BITS_256TB (0x5) #define ADDR_MASK_48_TO_63 0xFFFF000000000000UL #define ADDR_MASK_44_TO_47 0x0000F00000000000UL #define ADDR_MASK_42_TO_43 0x00000C0000000000UL #define ADDR_MASK_40_TO_41 0x0000030000000000UL #define ADDR_MASK_36_TO_39 0x000000F000000000UL #define ADDR_MASK_32_TO_35 0x0000000F00000000UL #define TCR_RGN_INNER_NC (0x0 << 8) #define TCR_RGN_INNER_WBA (0x1 << 8) #define TCR_RGN_INNER_WT (0x2 << 8) #define TCR_RGN_INNER_WBNA (0x3 << 8) #define TCR_RGN_OUTER_NC (0x0 << 10) #define TCR_RGN_OUTER_WBA (0x1 << 10) #define TCR_RGN_OUTER_WT (0x2 << 10) #define TCR_RGN_OUTER_WBNA (0x3 << 10) #define TCR_SH_NON_SHAREABLE (0x0 << 12) #define TCR_SH_OUTER_SHAREABLE (0x2 << 12) #define TCR_SH_INNER_SHAREABLE (0x3 << 12) #define MODE_SP_SHIFT 0x0 #define MODE_SP_MASK 0x1 #define MODE_SP_EL0 0x0 #define MODE_SP_ELX 0x1 #define MODE_RW_SHIFT 0x4 #define MODE_RW_MASK 0x1 #define MODE_RW_64 0x0 #define MODE_RW_32 0x1 #define MODE_EL_SHIFT 0x2 #define MODE_EL_MASK 0x3 #define MODE_EL3 0x3 #define MODE_EL2 0x2 #define MODE_EL1 0x1 #define MODE_EL0 0x0 #define MODE32_SHIFT 0 #define MODE32_MASK 0xf #define MODE32_usr 0x0 #define MODE32_fiq 0x1 #define MODE32_irq 0x2 #define MODE32_svc 0x3 #define MODE32_mon 0x6 #define MODE32_abt 0x7 #define MODE32_hyp 0xa #define MODE32_und 0xb #define MODE32_sys 0xf #define GET_RW(mode) (((mode) >> MODE_RW_SHIFT) & MODE_RW_MASK) #define GET_EL(mode) (((mode) >> MODE_EL_SHIFT) & MODE_EL_MASK) #define GET_SP(mode) (((mode) >> MODE_SP_SHIFT) & MODE_SP_MASK) #define GET_M32(mode) (((mode) >> MODE32_SHIFT) & MODE32_MASK) #define SPSR_64(el, sp, daif) \ (MODE_RW_64 << MODE_RW_SHIFT | \ ((el) & MODE_EL_MASK) << MODE_EL_SHIFT | \ ((sp) & MODE_SP_MASK) << MODE_SP_SHIFT | \ ((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT) #define SPSR_MODE32(mode, isa, endian, aif) \ (MODE_RW_32 << MODE_RW_SHIFT | \ ((mode) & MODE32_MASK) << MODE32_SHIFT | \ ((isa) & SPSR_T_MASK) << SPSR_T_SHIFT | \ ((endian) & SPSR_E_MASK) << SPSR_E_SHIFT | \ ((aif) & SPSR_AIF_MASK) << SPSR_AIF_SHIFT) /* * CTR_EL0 definitions */ #define CTR_CWG_SHIFT 24 #define CTR_CWG_MASK 0xf #define CTR_ERG_SHIFT 20 #define CTR_ERG_MASK 0xf #define CTR_DMINLINE_SHIFT 16 #define CTR_DMINLINE_MASK 0xf #define CTR_L1IP_SHIFT 14 #define CTR_L1IP_MASK 0x3 #define CTR_IMINLINE_SHIFT 0 #define CTR_IMINLINE_MASK 0xf #define MAX_CACHE_LINE_SIZE 0x800 /* 2KB */ /* Physical timer control register bit fields shifts and masks */ #define CNTP_CTL_ENABLE_SHIFT 0 #define CNTP_CTL_IMASK_SHIFT 1 #define CNTP_CTL_ISTATUS_SHIFT 2 #define CNTP_CTL_ENABLE_MASK 1 #define CNTP_CTL_IMASK_MASK 1 #define CNTP_CTL_ISTATUS_MASK 1 #define get_cntp_ctl_enable(x) ((x >> CNTP_CTL_ENABLE_SHIFT) & \ CNTP_CTL_ENABLE_MASK) #define get_cntp_ctl_imask(x) ((x >> CNTP_CTL_IMASK_SHIFT) & \ CNTP_CTL_IMASK_MASK) #define get_cntp_ctl_istatus(x) ((x >> CNTP_CTL_ISTATUS_SHIFT) & \ CNTP_CTL_ISTATUS_MASK) #define set_cntp_ctl_enable(x) (x |= 1 << CNTP_CTL_ENABLE_SHIFT) #define set_cntp_ctl_imask(x) (x |= 1 << CNTP_CTL_IMASK_SHIFT) #define clr_cntp_ctl_enable(x) (x &= ~(1 << CNTP_CTL_ENABLE_SHIFT)) #define clr_cntp_ctl_imask(x) (x &= ~(1 << CNTP_CTL_IMASK_SHIFT)) /* Exception Syndrome register bits and bobs */ #define ESR_EC_SHIFT 26 #define ESR_EC_MASK 0x3f #define ESR_EC_LENGTH 6 #define EC_UNKNOWN 0x0 #define EC_WFE_WFI 0x1 #define EC_AARCH32_CP15_MRC_MCR 0x3 #define EC_AARCH32_CP15_MRRC_MCRR 0x4 #define EC_AARCH32_CP14_MRC_MCR 0x5 #define EC_AARCH32_CP14_LDC_STC 0x6 #define EC_FP_SIMD 0x7 #define EC_AARCH32_CP10_MRC 0x8 #define EC_AARCH32_CP14_MRRC_MCRR 0xc #define EC_ILLEGAL 0xe #define EC_AARCH32_SVC 0x11 #define EC_AARCH32_HVC 0x12 #define EC_AARCH32_SMC 0x13 #define EC_AARCH64_SVC 0x15 #define EC_AARCH64_HVC 0x16 #define EC_AARCH64_SMC 0x17 #define EC_AARCH64_SYS 0x18 #define EC_IABORT_LOWER_EL 0x20 #define EC_IABORT_CUR_EL 0x21 #define EC_PC_ALIGN 0x22 #define EC_DABORT_LOWER_EL 0x24 #define EC_DABORT_CUR_EL 0x25 #define EC_SP_ALIGN 0x26 #define EC_AARCH32_FP 0x28 #define EC_AARCH64_FP 0x2c #define EC_SERROR 0x2f #define EC_BITS(x) (x >> ESR_EC_SHIFT) & ESR_EC_MASK /******************************************************************************* * Definitions of register offsets and fields in the CNTCTLBase Frame of the * system level implementation of the Generic Timer. ******************************************************************************/ #define CNTNSAR 0x4 #define CNTNSAR_NS_SHIFT(x) x #define CNTACR_BASE(x) (0x40 + (x << 2)) #define CNTACR_RPCT_SHIFT 0x0 #define CNTACR_RVCT_SHIFT 0x1 #define CNTACR_RFRQ_SHIFT 0x2 #define CNTACR_RVOFF_SHIFT 0x3 #define CNTACR_RWVT_SHIFT 0x4 #define CNTACR_RWPT_SHIFT 0x5 /* PMCR_EL0 definitions */ #define PMCR_EL0_N_SHIFT 11 #define PMCR_EL0_N_MASK 0x1f #define PMCR_EL0_N_BITS (PMCR_EL0_N_MASK << PMCR_EL0_N_SHIFT) #endif /* __ARCH_H__ */