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/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __ARCH_H__
#define __ARCH_H__
/*******************************************************************************
* MIDR bit definitions
******************************************************************************/
#define MIDR_IMPL_MASK 0xff
#define MIDR_IMPL_SHIFT 24
#define MIDR_VAR_SHIFT 20
#define MIDR_VAR_BITS 4
#define MIDR_REV_SHIFT 0
#define MIDR_REV_BITS 4
#define MIDR_PN_MASK 0xfff
#define MIDR_PN_SHIFT 4
/*******************************************************************************
* 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_AFFLVL_SHIFT 3
#define MPIDR_AFF0_SHIFT 0
#define MPIDR_AFF1_SHIFT 8
#define MPIDR_AFF2_SHIFT 16
#define MPIDR_AFFINITY_MASK 0x00ffffff
#define MPIDR_AFFLVL0 0
#define MPIDR_AFFLVL1 1
#define MPIDR_AFFLVL2 2
#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)
/*
* The MPIDR_MAX_AFFLVL count starts from 0. Take care to
* add one while using this macro to define array sizes.
*/
#define MPIDR_MAX_AFFLVL 2
/* Data Cache set/way op type defines */
#define DC_OP_ISW 0x0
#define DC_OP_CISW 0x1
#define DC_OP_CSW 0x2
/*******************************************************************************
* 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
/* ID_PFR1 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)
#define ID_PFR1_GIC_SHIFT 28
#define ID_PFR1_GIC_MASK 0xf
/* SCTLR definitions */
#define SCTLR_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_CP15BEN_BIT (1 << 5)
#define SCTLR_ITD_BIT (1 << 7)
#define SCTLR_I_BIT (1 << 12)
#define SCTLR_V_BIT (1 << 13)
#define SCTLR_NTWI_BIT (1 << 16)
#define SCTLR_NTWE_BIT (1 << 18)
#define SCTLR_WXN_BIT (1 << 19)
#define SCTLR_UWXN_BIT (1 << 20)
#define SCTLR_EE_BIT (1 << 25)
#define SCTLR_TRE_BIT (1 << 28)
#define SCTLR_AFE_BIT (1 << 29)
#define SCTLR_TE_BIT (1 << 30)
/* SDCR definitions */
#define SDCR_SPD(x) ((x) << 14)
#define SDCR_SPD_LEGACY 0x0
#define SDCR_SPD_DISABLE 0x2
#define SDCR_SPD_ENABLE 0x3
#define SDCR_DEF_VAL SDCR_SPD(SDCR_SPD_DISABLE)
/* HSCTLR definitions */
#define HSCTLR_RES1 ((1 << 29) | (1 << 28) | (1 << 23) | (1 << 22) \
| (1 << 18) | (1 << 16) | (1 << 11) | (1 << 4) \
| (1 << 3))
#define HSCTLR_M_BIT (1 << 0)
#define HSCTLR_A_BIT (1 << 1)
#define HSCTLR_C_BIT (1 << 2)
#define HSCTLR_CP15BEN_BIT (1 << 5)
#define HSCTLR_ITD_BIT (1 << 7)
#define HSCTLR_SED_BIT (1 << 8)
#define HSCTLR_I_BIT (1 << 12)
#define HSCTLR_WXN_BIT (1 << 19)
#define HSCTLR_EE_BIT (1 << 25)
#define HSCTLR_TE_BIT (1 << 30)
/* CPACR definitions */
#define CPACR_FPEN(x) ((x) << 20)
#define CPACR_FP_TRAP_PL0 0x1
#define CPACR_FP_TRAP_ALL 0x2
#define CPACR_FP_TRAP_NONE 0x3
/* SCR definitions */
#define SCR_TWE_BIT (1 << 13)
#define SCR_TWI_BIT (1 << 12)
#define SCR_SIF_BIT (1 << 9)
#define SCR_HCE_BIT (1 << 8)
#define SCR_SCD_BIT (1 << 7)
#define SCR_NET_BIT (1 << 6)
#define SCR_AW_BIT (1 << 5)
#define SCR_FW_BIT (1 << 4)
#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 0x33ff
#define GET_NS_BIT(scr) ((scr) & SCR_NS_BIT)
/* HCR definitions */
#define HCR_AMO_BIT (1 << 5)
#define HCR_IMO_BIT (1 << 4)
#define HCR_FMO_BIT (1 << 3)
/* CNTHCTL definitions */
#define EVNTEN_BIT (1 << 2)
#define PL1PCEN_BIT (1 << 1)
#define PL1PCTEN_BIT (1 << 0)
/* CNTKCTL definitions */
#define PL0PTEN_BIT (1 << 9)
#define PL0VTEN_BIT (1 << 8)
#define PL0PCTEN_BIT (1 << 0)
#define PL0VCTEN_BIT (1 << 1)
#define EVNTEN_BIT (1 << 2)
#define EVNTDIR_BIT (1 << 3)
#define EVNTI_SHIFT 4
#define EVNTI_MASK 0xf
/* HCPTR definitions */
#define TCPAC_BIT (1 << 31)
#define TTA_BIT (1 << 20)
#define TCP11_BIT (1 << 10)
#define TCP10_BIT (1 << 10)
/* NASCR definitions */
#define NSASEDIS_BIT (1 << 15)
#define NSTRCDIS_BIT (1 << 20)
#define NASCR_CP11_BIT (1 << 11)
#define NASCR_CP10_BIT (1 << 10)
/* CPACR definitions */
#define ASEDIS_BIT (1 << 31)
#define TRCDIS_BIT (1 << 28)
#define CPACR_CP11_SHIFT 22
#define CPACR_CP10_SHIFT 20
#define CPACR_ENABLE_FP_ACCESS (0x3 << CPACR_CP11_SHIFT |\
0x3 << CPACR_CP10_SHIFT)
/* FPEXC definitions */
#define FPEXC_EN_BIT (1 << 30)
/* SPSR/CPSR definitions */
#define SPSR_FIQ_BIT (1 << 0)
#define SPSR_IRQ_BIT (1 << 1)
#define SPSR_ABT_BIT (1 << 2)
#define SPSR_AIF_SHIFT 6
#define SPSR_AIF_MASK 0x7
#define SPSR_E_SHIFT 9
#define SPSR_E_MASK 0x1
#define SPSR_E_LITTLE 0
#define SPSR_E_BIG 1
#define SPSR_T_SHIFT 5
#define SPSR_T_MASK 0x1
#define SPSR_T_ARM 0
#define SPSR_T_THUMB 1
#define SPSR_MODE_SHIFT 0
#define SPSR_MODE_MASK 0x7
#define DISABLE_ALL_EXCEPTIONS \
(SPSR_FIQ_BIT | SPSR_IRQ_BIT | SPSR_ABT_BIT)
/*
* TTBCR definitions
*/
/* The ARM Trusted Firmware uses the long descriptor format */
#define TTBCR_EAE_BIT (1 << 31)
#define TTBCR_SH1_NON_SHAREABLE (0x0 << 28)
#define TTBCR_SH1_OUTER_SHAREABLE (0x2 << 28)
#define TTBCR_SH1_INNER_SHAREABLE (0x3 << 28)
#define TTBCR_RGN1_OUTER_NC (0x0 << 26)
#define TTBCR_RGN1_OUTER_WBA (0x1 << 26)
#define TTBCR_RGN1_OUTER_WT (0x2 << 26)
#define TTBCR_RGN1_OUTER_WBNA (0x3 << 26)
#define TTBCR_RGN1_INNER_NC (0x0 << 24)
#define TTBCR_RGN1_INNER_WBA (0x1 << 24)
#define TTBCR_RGN1_INNER_WT (0x2 << 24)
#define TTBCR_RGN1_INNER_WBNA (0x3 << 24)
#define TTBCR_EPD1_BIT (1 << 23)
#define TTBCR_A1_BIT (1 << 22)
#define TTBCR_T1SZ_SHIFT 16
#define TTBCR_T1SZ_MASK (0x7)
#define TTBCR_TxSZ_MIN 0
#define TTBCR_TxSZ_MAX 7
#define TTBCR_SH0_NON_SHAREABLE (0x0 << 12)
#define TTBCR_SH0_OUTER_SHAREABLE (0x2 << 12)
#define TTBCR_SH0_INNER_SHAREABLE (0x3 << 12)
#define TTBCR_RGN0_OUTER_NC (0x0 << 10)
#define TTBCR_RGN0_OUTER_WBA (0x1 << 10)
#define TTBCR_RGN0_OUTER_WT (0x2 << 10)
#define TTBCR_RGN0_OUTER_WBNA (0x3 << 10)
#define TTBCR_RGN0_INNER_NC (0x0 << 8)
#define TTBCR_RGN0_INNER_WBA (0x1 << 8)
#define TTBCR_RGN0_INNER_WT (0x2 << 8)
#define TTBCR_RGN0_INNER_WBNA (0x3 << 8)
#define TTBCR_EPD0_BIT (1 << 7)
#define TTBCR_T0SZ_SHIFT 0
#define TTBCR_T0SZ_MASK (0x7)
#define MODE_RW_SHIFT 0x4
#define MODE_RW_MASK 0x1
#define MODE_RW_32 0x1
#define MODE32_SHIFT 0
#define MODE32_MASK 0x1f
#define MODE32_usr 0x10
#define MODE32_fiq 0x11
#define MODE32_irq 0x12
#define MODE32_svc 0x13
#define MODE32_mon 0x16
#define MODE32_abt 0x17
#define MODE32_hyp 0x1a
#define MODE32_und 0x1b
#define MODE32_sys 0x1f
#define GET_M32(mode) (((mode) >> MODE32_SHIFT) & MODE32_MASK)
#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 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_WIDTH 4
#define CTR_DMINLINE_MASK ((1 << 4) - 1)
#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 */
/* PMCR definitions */
#define PMCR_N_SHIFT 11
#define PMCR_N_MASK 0x1f
#define PMCR_N_BITS (PMCR_N_MASK << PMCR_N_SHIFT)
/*******************************************************************************
* Definitions of register offsets, fields and macros for CPU system
* instructions.
******************************************************************************/
#define TLBI_ADDR_SHIFT 0
#define TLBI_ADDR_MASK 0xFFFFF000
#define TLBI_ADDR(x) (((x) >> TLBI_ADDR_SHIFT) & TLBI_ADDR_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
/* MAIR macros */
#define MAIR0_ATTR_SET(attr, index) ((attr) << ((index) << 3))
#define MAIR1_ATTR_SET(attr, index) ((attr) << (((index) - 3) << 3))
/* System register defines The format is: coproc, opt1, CRn, CRm, opt2 */
#define SCR p15, 0, c1, c1, 0
#define SCTLR p15, 0, c1, c0, 0
#define SDCR p15, 0, c1, c3, 1
#define MPIDR p15, 0, c0, c0, 5
#define MIDR p15, 0, c0, c0, 0
#define VBAR p15, 0, c12, c0, 0
#define MVBAR p15, 0, c12, c0, 1
#define NSACR p15, 0, c1, c1, 2
#define CPACR p15, 0, c1, c0, 2
#define DCCIMVAC p15, 0, c7, c14, 1
#define DCCMVAC p15, 0, c7, c10, 1
#define DCIMVAC p15, 0, c7, c6, 1
#define DCCISW p15, 0, c7, c14, 2
#define DCCSW p15, 0, c7, c10, 2
#define DCISW p15, 0, c7, c6, 2
#define CTR p15, 0, c0, c0, 1
#define CNTFRQ p15, 0, c14, c0, 0
#define ID_PFR1 p15, 0, c0, c1, 1
#define MAIR0 p15, 0, c10, c2, 0
#define MAIR1 p15, 0, c10, c2, 1
#define TTBCR p15, 0, c2, c0, 2
#define TTBR0 p15, 0, c2, c0, 0
#define TTBR1 p15, 0, c2, c0, 1
#define TLBIALL p15, 0, c8, c7, 0
#define TLBIALLIS p15, 0, c8, c3, 0
#define TLBIMVA p15, 0, c8, c7, 1
#define TLBIMVAA p15, 0, c8, c7, 3
#define TLBIMVAAIS p15, 0, c8, c3, 3
#define BPIALLIS p15, 0, c7, c1, 6
#define HSCTLR p15, 4, c1, c0, 0
#define HCR p15, 4, c1, c1, 0
#define HCPTR p15, 4, c1, c1, 2
#define CNTHCTL p15, 4, c14, c1, 0
#define CNTKCTL p15, 0, c14, c1, 0
#define VPIDR p15, 4, c0, c0, 0
#define VMPIDR p15, 4, c0, c0, 5
#define ISR p15, 0, c12, c1, 0
#define CLIDR p15, 1, c0, c0, 1
#define CSSELR p15, 2, c0, c0, 0
#define CCSIDR p15, 1, c0, c0, 0
#define DBGOSDLR p14, 0, c1, c3, 4
/* Debug register defines. The format is: coproc, opt1, CRn, CRm, opt2 */
#define HDCR p15, 4, c1, c1, 1
#define PMCR p15, 0, c9, c12, 0
#define CNTHP_CTL p15, 4, c14, c2, 1
/* GICv3 CPU Interface system register defines. The format is: coproc, opt1, CRn, CRm, opt2 */
#define ICC_IAR1 p15, 0, c12, c12, 0
#define ICC_IAR0 p15, 0, c12, c8, 0
#define ICC_EOIR1 p15, 0, c12, c12, 1
#define ICC_EOIR0 p15, 0, c12, c8, 1
#define ICC_HPPIR1 p15, 0, c12, c12, 2
#define ICC_HPPIR0 p15, 0, c12, c8, 2
#define ICC_BPR1 p15, 0, c12, c12, 3
#define ICC_BPR0 p15, 0, c12, c8, 3
#define ICC_DIR p15, 0, c12, c11, 1
#define ICC_PMR p15, 0, c4, c6, 0
#define ICC_RPR p15, 0, c12, c11, 3
#define ICC_CTLR p15, 0, c12, c12, 4
#define ICC_MCTLR p15, 6, c12, c12, 4
#define ICC_SRE p15, 0, c12, c12, 5
#define ICC_HSRE p15, 4, c12, c9, 5
#define ICC_MSRE p15, 6, c12, c12, 5
#define ICC_IGRPEN0 p15, 0, c12, c12, 6
#define ICC_IGRPEN1 p15, 0, c12, c12, 7
#define ICC_MGRPEN1 p15, 6, c12, c12, 7
/* 64 bit system register defines The format is: coproc, opt1, CRm */
#define TTBR0_64 p15, 0, c2
#define TTBR1_64 p15, 1, c2
#define CNTVOFF_64 p15, 4, c14
#define VTTBR_64 p15, 6, c2
#define CNTPCT_64 p15, 0, c14
/* 64 bit GICv3 CPU Interface system register defines. The format is: coproc, opt1, CRm */
#define ICC_SGI1R_EL1_64 p15, 0, c12
#define ICC_ASGI1R_EL1_64 p15, 1, c12
#define ICC_SGI0R_EL1_64 p15, 2, c12
#endif /* __ARCH_H__ */