| /* |
| * Copyright (C) 2013, 2014 ARM Limited, All Rights Reserved. |
| * Author: Marc Zyngier <marc.zyngier@arm.com> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| #ifndef __LINUX_IRQCHIP_ARM_GIC_V3_H |
| #define __LINUX_IRQCHIP_ARM_GIC_V3_H |
| |
| /* |
| * Distributor registers. We assume we're running non-secure, with ARE |
| * being set. Secure-only and non-ARE registers are not described. |
| */ |
| #define GICD_CTLR 0x0000 |
| #define GICD_TYPER 0x0004 |
| #define GICD_IIDR 0x0008 |
| #define GICD_STATUSR 0x0010 |
| #define GICD_SETSPI_NSR 0x0040 |
| #define GICD_CLRSPI_NSR 0x0048 |
| #define GICD_SETSPI_SR 0x0050 |
| #define GICD_CLRSPI_SR 0x0058 |
| #define GICD_SEIR 0x0068 |
| #define GICD_IGROUPR 0x0080 |
| #define GICD_ISENABLER 0x0100 |
| #define GICD_ICENABLER 0x0180 |
| #define GICD_ISPENDR 0x0200 |
| #define GICD_ICPENDR 0x0280 |
| #define GICD_ISACTIVER 0x0300 |
| #define GICD_ICACTIVER 0x0380 |
| #define GICD_IPRIORITYR 0x0400 |
| #define GICD_ICFGR 0x0C00 |
| #define GICD_IGRPMODR 0x0D00 |
| #define GICD_NSACR 0x0E00 |
| #define GICD_IROUTER 0x6000 |
| #define GICD_IDREGS 0xFFD0 |
| #define GICD_PIDR2 0xFFE8 |
| |
| /* |
| * Those registers are actually from GICv2, but the spec demands that they |
| * are implemented as RES0 if ARE is 1 (which we do in KVM's emulated GICv3). |
| */ |
| #define GICD_ITARGETSR 0x0800 |
| #define GICD_SGIR 0x0F00 |
| #define GICD_CPENDSGIR 0x0F10 |
| #define GICD_SPENDSGIR 0x0F20 |
| |
| #define GICD_CTLR_RWP (1U << 31) |
| #define GICD_CTLR_DS (1U << 6) |
| #define GICD_CTLR_ARE_NS (1U << 4) |
| #define GICD_CTLR_ENABLE_G1A (1U << 1) |
| #define GICD_CTLR_ENABLE_G1 (1U << 0) |
| |
| /* |
| * In systems with a single security state (what we emulate in KVM) |
| * the meaning of the interrupt group enable bits is slightly different |
| */ |
| #define GICD_CTLR_ENABLE_SS_G1 (1U << 1) |
| #define GICD_CTLR_ENABLE_SS_G0 (1U << 0) |
| |
| #define GICD_TYPER_LPIS (1U << 17) |
| #define GICD_TYPER_MBIS (1U << 16) |
| |
| #define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1) |
| #define GICD_TYPER_IRQS(typer) ((((typer) & 0x1f) + 1) * 32) |
| |
| #define GICD_IROUTER_SPI_MODE_ONE (0U << 31) |
| #define GICD_IROUTER_SPI_MODE_ANY (1U << 31) |
| |
| #define GIC_PIDR2_ARCH_MASK 0xf0 |
| #define GIC_PIDR2_ARCH_GICv3 0x30 |
| #define GIC_PIDR2_ARCH_GICv4 0x40 |
| |
| #define GIC_V3_DIST_SIZE 0x10000 |
| |
| /* |
| * Re-Distributor registers, offsets from RD_base |
| */ |
| #define GICR_CTLR GICD_CTLR |
| #define GICR_IIDR 0x0004 |
| #define GICR_TYPER 0x0008 |
| #define GICR_STATUSR GICD_STATUSR |
| #define GICR_WAKER 0x0014 |
| #define GICR_SETLPIR 0x0040 |
| #define GICR_CLRLPIR 0x0048 |
| #define GICR_SEIR GICD_SEIR |
| #define GICR_PROPBASER 0x0070 |
| #define GICR_PENDBASER 0x0078 |
| #define GICR_INVLPIR 0x00A0 |
| #define GICR_INVALLR 0x00B0 |
| #define GICR_SYNCR 0x00C0 |
| #define GICR_MOVLPIR 0x0100 |
| #define GICR_MOVALLR 0x0110 |
| #define GICR_IDREGS GICD_IDREGS |
| #define GICR_PIDR2 GICD_PIDR2 |
| |
| #define GICR_CTLR_ENABLE_LPIS (1UL << 0) |
| |
| #define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff) |
| |
| #define GICR_WAKER_ProcessorSleep (1U << 1) |
| #define GICR_WAKER_ChildrenAsleep (1U << 2) |
| |
| #define GIC_BASER_CACHE_nCnB 0ULL |
| #define GIC_BASER_CACHE_SameAsInner 0ULL |
| #define GIC_BASER_CACHE_nC 1ULL |
| #define GIC_BASER_CACHE_RaWt 2ULL |
| #define GIC_BASER_CACHE_RaWb 3ULL |
| #define GIC_BASER_CACHE_WaWt 4ULL |
| #define GIC_BASER_CACHE_WaWb 5ULL |
| #define GIC_BASER_CACHE_RaWaWt 6ULL |
| #define GIC_BASER_CACHE_RaWaWb 7ULL |
| #define GIC_BASER_CACHE_MASK 7ULL |
| #define GIC_BASER_NonShareable 0ULL |
| #define GIC_BASER_InnerShareable 1ULL |
| #define GIC_BASER_OuterShareable 2ULL |
| #define GIC_BASER_SHAREABILITY_MASK 3ULL |
| |
| #define GIC_BASER_CACHEABILITY(reg, inner_outer, type) \ |
| (GIC_BASER_CACHE_##type << reg##_##inner_outer##_CACHEABILITY_SHIFT) |
| |
| #define GIC_BASER_SHAREABILITY(reg, type) \ |
| (GIC_BASER_##type << reg##_SHAREABILITY_SHIFT) |
| |
| /* encode a size field of width @w containing @n - 1 units */ |
| #define GIC_ENCODE_SZ(n, w) (((unsigned long)(n) - 1) & GENMASK_ULL(((w) - 1), 0)) |
| |
| #define GICR_PROPBASER_SHAREABILITY_SHIFT (10) |
| #define GICR_PROPBASER_INNER_CACHEABILITY_SHIFT (7) |
| #define GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT (56) |
| #define GICR_PROPBASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GICR_PROPBASER, SHAREABILITY_MASK) |
| #define GICR_PROPBASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, MASK) |
| #define GICR_PROPBASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_PROPBASER, OUTER, MASK) |
| #define GICR_PROPBASER_CACHEABILITY_MASK GICR_PROPBASER_INNER_CACHEABILITY_MASK |
| |
| #define GICR_PROPBASER_InnerShareable \ |
| GIC_BASER_SHAREABILITY(GICR_PROPBASER, InnerShareable) |
| |
| #define GICR_PROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nCnB) |
| #define GICR_PROPBASER_nC GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, nC) |
| #define GICR_PROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt) |
| #define GICR_PROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWt) |
| #define GICR_PROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWt) |
| #define GICR_PROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WaWb) |
| #define GICR_PROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWt) |
| #define GICR_PROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RaWaWb) |
| |
| #define GICR_PROPBASER_IDBITS_MASK (0x1f) |
| #define GICR_PROPBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 12)) |
| #define GICR_PENDBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 16)) |
| |
| #define GICR_PENDBASER_SHAREABILITY_SHIFT (10) |
| #define GICR_PENDBASER_INNER_CACHEABILITY_SHIFT (7) |
| #define GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT (56) |
| #define GICR_PENDBASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GICR_PENDBASER, SHAREABILITY_MASK) |
| #define GICR_PENDBASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, MASK) |
| #define GICR_PENDBASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_PENDBASER, OUTER, MASK) |
| #define GICR_PENDBASER_CACHEABILITY_MASK GICR_PENDBASER_INNER_CACHEABILITY_MASK |
| |
| #define GICR_PENDBASER_InnerShareable \ |
| GIC_BASER_SHAREABILITY(GICR_PENDBASER, InnerShareable) |
| |
| #define GICR_PENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nCnB) |
| #define GICR_PENDBASER_nC GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, nC) |
| #define GICR_PENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt) |
| #define GICR_PENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWt) |
| #define GICR_PENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWt) |
| #define GICR_PENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WaWb) |
| #define GICR_PENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWt) |
| #define GICR_PENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RaWaWb) |
| |
| #define GICR_PENDBASER_PTZ BIT_ULL(62) |
| |
| /* |
| * Re-Distributor registers, offsets from SGI_base |
| */ |
| #define GICR_IGROUPR0 GICD_IGROUPR |
| #define GICR_ISENABLER0 GICD_ISENABLER |
| #define GICR_ICENABLER0 GICD_ICENABLER |
| #define GICR_ISPENDR0 GICD_ISPENDR |
| #define GICR_ICPENDR0 GICD_ICPENDR |
| #define GICR_ISACTIVER0 GICD_ISACTIVER |
| #define GICR_ICACTIVER0 GICD_ICACTIVER |
| #define GICR_IPRIORITYR0 GICD_IPRIORITYR |
| #define GICR_ICFGR0 GICD_ICFGR |
| #define GICR_IGRPMODR0 GICD_IGRPMODR |
| #define GICR_NSACR GICD_NSACR |
| |
| #define GICR_TYPER_PLPIS (1U << 0) |
| #define GICR_TYPER_VLPIS (1U << 1) |
| #define GICR_TYPER_DirectLPIS (1U << 3) |
| #define GICR_TYPER_LAST (1U << 4) |
| |
| #define GIC_V3_REDIST_SIZE 0x20000 |
| |
| #define LPI_PROP_GROUP1 (1 << 1) |
| #define LPI_PROP_ENABLED (1 << 0) |
| |
| /* |
| * Re-Distributor registers, offsets from VLPI_base |
| */ |
| #define GICR_VPROPBASER 0x0070 |
| |
| #define GICR_VPROPBASER_IDBITS_MASK 0x1f |
| |
| #define GICR_VPROPBASER_SHAREABILITY_SHIFT (10) |
| #define GICR_VPROPBASER_INNER_CACHEABILITY_SHIFT (7) |
| #define GICR_VPROPBASER_OUTER_CACHEABILITY_SHIFT (56) |
| |
| #define GICR_VPROPBASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GICR_VPROPBASER, SHAREABILITY_MASK) |
| #define GICR_VPROPBASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, MASK) |
| #define GICR_VPROPBASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_VPROPBASER, OUTER, MASK) |
| #define GICR_VPROPBASER_CACHEABILITY_MASK \ |
| GICR_VPROPBASER_INNER_CACHEABILITY_MASK |
| |
| #define GICR_VPROPBASER_InnerShareable \ |
| GIC_BASER_SHAREABILITY(GICR_VPROPBASER, InnerShareable) |
| |
| #define GICR_VPROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nCnB) |
| #define GICR_VPROPBASER_nC GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nC) |
| #define GICR_VPROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt) |
| #define GICR_VPROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt) |
| #define GICR_VPROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWt) |
| #define GICR_VPROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWb) |
| #define GICR_VPROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWt) |
| #define GICR_VPROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWb) |
| |
| #define GICR_VPENDBASER 0x0078 |
| |
| #define GICR_VPENDBASER_SHAREABILITY_SHIFT (10) |
| #define GICR_VPENDBASER_INNER_CACHEABILITY_SHIFT (7) |
| #define GICR_VPENDBASER_OUTER_CACHEABILITY_SHIFT (56) |
| #define GICR_VPENDBASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GICR_VPENDBASER, SHAREABILITY_MASK) |
| #define GICR_VPENDBASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, MASK) |
| #define GICR_VPENDBASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GICR_VPENDBASER, OUTER, MASK) |
| #define GICR_VPENDBASER_CACHEABILITY_MASK \ |
| GICR_VPENDBASER_INNER_CACHEABILITY_MASK |
| |
| #define GICR_VPENDBASER_NonShareable \ |
| GIC_BASER_SHAREABILITY(GICR_VPENDBASER, NonShareable) |
| |
| #define GICR_VPENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nCnB) |
| #define GICR_VPENDBASER_nC GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nC) |
| #define GICR_VPENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt) |
| #define GICR_VPENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt) |
| #define GICR_VPENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWt) |
| #define GICR_VPENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWb) |
| #define GICR_VPENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWt) |
| #define GICR_VPENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWb) |
| |
| #define GICR_VPENDBASER_Dirty (1ULL << 60) |
| #define GICR_VPENDBASER_PendingLast (1ULL << 61) |
| #define GICR_VPENDBASER_IDAI (1ULL << 62) |
| #define GICR_VPENDBASER_Valid (1ULL << 63) |
| |
| /* |
| * ITS registers, offsets from ITS_base |
| */ |
| #define GITS_CTLR 0x0000 |
| #define GITS_IIDR 0x0004 |
| #define GITS_TYPER 0x0008 |
| #define GITS_CBASER 0x0080 |
| #define GITS_CWRITER 0x0088 |
| #define GITS_CREADR 0x0090 |
| #define GITS_BASER 0x0100 |
| #define GITS_IDREGS_BASE 0xffd0 |
| #define GITS_PIDR0 0xffe0 |
| #define GITS_PIDR1 0xffe4 |
| #define GITS_PIDR2 GICR_PIDR2 |
| #define GITS_PIDR4 0xffd0 |
| #define GITS_CIDR0 0xfff0 |
| #define GITS_CIDR1 0xfff4 |
| #define GITS_CIDR2 0xfff8 |
| #define GITS_CIDR3 0xfffc |
| |
| #define GITS_TRANSLATER 0x10040 |
| |
| #define GITS_CTLR_ENABLE (1U << 0) |
| #define GITS_CTLR_ImDe (1U << 1) |
| #define GITS_CTLR_ITS_NUMBER_SHIFT 4 |
| #define GITS_CTLR_ITS_NUMBER (0xFU << GITS_CTLR_ITS_NUMBER_SHIFT) |
| #define GITS_CTLR_QUIESCENT (1U << 31) |
| |
| #define GITS_TYPER_PLPIS (1UL << 0) |
| #define GITS_TYPER_VLPIS (1UL << 1) |
| #define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4 |
| #define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1) |
| #define GITS_TYPER_IDBITS_SHIFT 8 |
| #define GITS_TYPER_DEVBITS_SHIFT 13 |
| #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) |
| #define GITS_TYPER_PTA (1UL << 19) |
| #define GITS_TYPER_HWCOLLCNT_SHIFT 24 |
| #define GITS_TYPER_VMOVP (1ULL << 37) |
| |
| #define GITS_IIDR_REV_SHIFT 12 |
| #define GITS_IIDR_REV_MASK (0xf << GITS_IIDR_REV_SHIFT) |
| #define GITS_IIDR_REV(r) (((r) >> GITS_IIDR_REV_SHIFT) & 0xf) |
| #define GITS_IIDR_PRODUCTID_SHIFT 24 |
| |
| #define GITS_CBASER_VALID (1ULL << 63) |
| #define GITS_CBASER_SHAREABILITY_SHIFT (10) |
| #define GITS_CBASER_INNER_CACHEABILITY_SHIFT (59) |
| #define GITS_CBASER_OUTER_CACHEABILITY_SHIFT (53) |
| #define GITS_CBASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GITS_CBASER, SHAREABILITY_MASK) |
| #define GITS_CBASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, MASK) |
| #define GITS_CBASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GITS_CBASER, OUTER, MASK) |
| #define GITS_CBASER_CACHEABILITY_MASK GITS_CBASER_INNER_CACHEABILITY_MASK |
| |
| #define GITS_CBASER_InnerShareable \ |
| GIC_BASER_SHAREABILITY(GITS_CBASER, InnerShareable) |
| |
| #define GITS_CBASER_nCnB GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nCnB) |
| #define GITS_CBASER_nC GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, nC) |
| #define GITS_CBASER_RaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt) |
| #define GITS_CBASER_RaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWt) |
| #define GITS_CBASER_WaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWt) |
| #define GITS_CBASER_WaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, WaWb) |
| #define GITS_CBASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWt) |
| #define GITS_CBASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_CBASER, INNER, RaWaWb) |
| |
| #define GITS_BASER_NR_REGS 8 |
| |
| #define GITS_BASER_VALID (1ULL << 63) |
| #define GITS_BASER_INDIRECT (1ULL << 62) |
| |
| #define GITS_BASER_INNER_CACHEABILITY_SHIFT (59) |
| #define GITS_BASER_OUTER_CACHEABILITY_SHIFT (53) |
| #define GITS_BASER_INNER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GITS_BASER, INNER, MASK) |
| #define GITS_BASER_CACHEABILITY_MASK GITS_BASER_INNER_CACHEABILITY_MASK |
| #define GITS_BASER_OUTER_CACHEABILITY_MASK \ |
| GIC_BASER_CACHEABILITY(GITS_BASER, OUTER, MASK) |
| #define GITS_BASER_SHAREABILITY_MASK \ |
| GIC_BASER_SHAREABILITY(GITS_BASER, SHAREABILITY_MASK) |
| |
| #define GITS_BASER_nCnB GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nCnB) |
| #define GITS_BASER_nC GIC_BASER_CACHEABILITY(GITS_BASER, INNER, nC) |
| #define GITS_BASER_RaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt) |
| #define GITS_BASER_RaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWt) |
| #define GITS_BASER_WaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWt) |
| #define GITS_BASER_WaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, WaWb) |
| #define GITS_BASER_RaWaWt GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWt) |
| #define GITS_BASER_RaWaWb GIC_BASER_CACHEABILITY(GITS_BASER, INNER, RaWaWb) |
| |
| #define GITS_BASER_TYPE_SHIFT (56) |
| #define GITS_BASER_TYPE(r) (((r) >> GITS_BASER_TYPE_SHIFT) & 7) |
| #define GITS_BASER_ENTRY_SIZE_SHIFT (48) |
| #define GITS_BASER_ENTRY_SIZE(r) ((((r) >> GITS_BASER_ENTRY_SIZE_SHIFT) & 0x1f) + 1) |
| #define GITS_BASER_ENTRY_SIZE_MASK GENMASK_ULL(52, 48) |
| #define GITS_BASER_SHAREABILITY_SHIFT (10) |
| #define GITS_BASER_InnerShareable \ |
| GIC_BASER_SHAREABILITY(GITS_BASER, InnerShareable) |
| #define GITS_BASER_PAGE_SIZE_SHIFT (8) |
| #define GITS_BASER_PAGE_SIZE_4K (0ULL << GITS_BASER_PAGE_SIZE_SHIFT) |
| #define GITS_BASER_PAGE_SIZE_16K (1ULL << GITS_BASER_PAGE_SIZE_SHIFT) |
| #define GITS_BASER_PAGE_SIZE_64K (2ULL << GITS_BASER_PAGE_SIZE_SHIFT) |
| #define GITS_BASER_PAGE_SIZE_MASK (3ULL << GITS_BASER_PAGE_SIZE_SHIFT) |
| #define GITS_BASER_PAGES_MAX 256 |
| #define GITS_BASER_PAGES_SHIFT (0) |
| #define GITS_BASER_NR_PAGES(r) (((r) & 0xff) + 1) |
| |
| #define GITS_BASER_TYPE_NONE 0 |
| #define GITS_BASER_TYPE_DEVICE 1 |
| #define GITS_BASER_TYPE_VCPU 2 |
| #define GITS_BASER_TYPE_RESERVED3 3 |
| #define GITS_BASER_TYPE_COLLECTION 4 |
| #define GITS_BASER_TYPE_RESERVED5 5 |
| #define GITS_BASER_TYPE_RESERVED6 6 |
| #define GITS_BASER_TYPE_RESERVED7 7 |
| |
| #define GITS_LVL1_ENTRY_SIZE (8UL) |
| |
| /* |
| * ITS commands |
| */ |
| #define GITS_CMD_MAPD 0x08 |
| #define GITS_CMD_MAPC 0x09 |
| #define GITS_CMD_MAPTI 0x0a |
| #define GITS_CMD_MAPI 0x0b |
| #define GITS_CMD_MOVI 0x01 |
| #define GITS_CMD_DISCARD 0x0f |
| #define GITS_CMD_INV 0x0c |
| #define GITS_CMD_MOVALL 0x0e |
| #define GITS_CMD_INVALL 0x0d |
| #define GITS_CMD_INT 0x03 |
| #define GITS_CMD_CLEAR 0x04 |
| #define GITS_CMD_SYNC 0x05 |
| |
| /* |
| * GICv4 ITS specific commands |
| */ |
| #define GITS_CMD_GICv4(x) ((x) | 0x20) |
| #define GITS_CMD_VINVALL GITS_CMD_GICv4(GITS_CMD_INVALL) |
| #define GITS_CMD_VMAPP GITS_CMD_GICv4(GITS_CMD_MAPC) |
| #define GITS_CMD_VMAPTI GITS_CMD_GICv4(GITS_CMD_MAPTI) |
| #define GITS_CMD_VMOVI GITS_CMD_GICv4(GITS_CMD_MOVI) |
| #define GITS_CMD_VSYNC GITS_CMD_GICv4(GITS_CMD_SYNC) |
| /* VMOVP is the odd one, as it doesn't have a physical counterpart */ |
| #define GITS_CMD_VMOVP GITS_CMD_GICv4(2) |
| |
| /* |
| * ITS error numbers |
| */ |
| #define E_ITS_MOVI_UNMAPPED_INTERRUPT 0x010107 |
| #define E_ITS_MOVI_UNMAPPED_COLLECTION 0x010109 |
| #define E_ITS_INT_UNMAPPED_INTERRUPT 0x010307 |
| #define E_ITS_CLEAR_UNMAPPED_INTERRUPT 0x010507 |
| #define E_ITS_MAPD_DEVICE_OOR 0x010801 |
| #define E_ITS_MAPD_ITTSIZE_OOR 0x010802 |
| #define E_ITS_MAPC_PROCNUM_OOR 0x010902 |
| #define E_ITS_MAPC_COLLECTION_OOR 0x010903 |
| #define E_ITS_MAPTI_UNMAPPED_DEVICE 0x010a04 |
| #define E_ITS_MAPTI_ID_OOR 0x010a05 |
| #define E_ITS_MAPTI_PHYSICALID_OOR 0x010a06 |
| #define E_ITS_INV_UNMAPPED_INTERRUPT 0x010c07 |
| #define E_ITS_INVALL_UNMAPPED_COLLECTION 0x010d09 |
| #define E_ITS_MOVALL_PROCNUM_OOR 0x010e01 |
| #define E_ITS_DISCARD_UNMAPPED_INTERRUPT 0x010f07 |
| |
| /* |
| * CPU interface registers |
| */ |
| #define ICC_CTLR_EL1_EOImode_SHIFT (1) |
| #define ICC_CTLR_EL1_EOImode_drop_dir (0U << ICC_CTLR_EL1_EOImode_SHIFT) |
| #define ICC_CTLR_EL1_EOImode_drop (1U << ICC_CTLR_EL1_EOImode_SHIFT) |
| #define ICC_CTLR_EL1_EOImode_MASK (1 << ICC_CTLR_EL1_EOImode_SHIFT) |
| #define ICC_CTLR_EL1_CBPR_SHIFT 0 |
| #define ICC_CTLR_EL1_CBPR_MASK (1 << ICC_CTLR_EL1_CBPR_SHIFT) |
| #define ICC_CTLR_EL1_PRI_BITS_SHIFT 8 |
| #define ICC_CTLR_EL1_PRI_BITS_MASK (0x7 << ICC_CTLR_EL1_PRI_BITS_SHIFT) |
| #define ICC_CTLR_EL1_ID_BITS_SHIFT 11 |
| #define ICC_CTLR_EL1_ID_BITS_MASK (0x7 << ICC_CTLR_EL1_ID_BITS_SHIFT) |
| #define ICC_CTLR_EL1_SEIS_SHIFT 14 |
| #define ICC_CTLR_EL1_SEIS_MASK (0x1 << ICC_CTLR_EL1_SEIS_SHIFT) |
| #define ICC_CTLR_EL1_A3V_SHIFT 15 |
| #define ICC_CTLR_EL1_A3V_MASK (0x1 << ICC_CTLR_EL1_A3V_SHIFT) |
| #define ICC_PMR_EL1_SHIFT 0 |
| #define ICC_PMR_EL1_MASK (0xff << ICC_PMR_EL1_SHIFT) |
| #define ICC_BPR0_EL1_SHIFT 0 |
| #define ICC_BPR0_EL1_MASK (0x7 << ICC_BPR0_EL1_SHIFT) |
| #define ICC_BPR1_EL1_SHIFT 0 |
| #define ICC_BPR1_EL1_MASK (0x7 << ICC_BPR1_EL1_SHIFT) |
| #define ICC_IGRPEN0_EL1_SHIFT 0 |
| #define ICC_IGRPEN0_EL1_MASK (1 << ICC_IGRPEN0_EL1_SHIFT) |
| #define ICC_IGRPEN1_EL1_SHIFT 0 |
| #define ICC_IGRPEN1_EL1_MASK (1 << ICC_IGRPEN1_EL1_SHIFT) |
| #define ICC_SRE_EL1_DIB (1U << 2) |
| #define ICC_SRE_EL1_DFB (1U << 1) |
| #define ICC_SRE_EL1_SRE (1U << 0) |
| |
| /* |
| * Hypervisor interface registers (SRE only) |
| */ |
| #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1) |
| |
| #define ICH_LR_EOI (1ULL << 41) |
| #define ICH_LR_GROUP (1ULL << 60) |
| #define ICH_LR_HW (1ULL << 61) |
| #define ICH_LR_STATE (3ULL << 62) |
| #define ICH_LR_PENDING_BIT (1ULL << 62) |
| #define ICH_LR_ACTIVE_BIT (1ULL << 63) |
| #define ICH_LR_PHYS_ID_SHIFT 32 |
| #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT) |
| #define ICH_LR_PRIORITY_SHIFT 48 |
| #define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT) |
| |
| /* These are for GICv2 emulation only */ |
| #define GICH_LR_VIRTUALID (0x3ffUL << 0) |
| #define GICH_LR_PHYSID_CPUID_SHIFT (10) |
| #define GICH_LR_PHYSID_CPUID (7UL << GICH_LR_PHYSID_CPUID_SHIFT) |
| |
| #define ICH_MISR_EOI (1 << 0) |
| #define ICH_MISR_U (1 << 1) |
| |
| #define ICH_HCR_EN (1 << 0) |
| #define ICH_HCR_UIE (1 << 1) |
| #define ICH_HCR_TC (1 << 10) |
| #define ICH_HCR_TALL0 (1 << 11) |
| #define ICH_HCR_TALL1 (1 << 12) |
| #define ICH_HCR_EOIcount_SHIFT 27 |
| #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT) |
| |
| #define ICH_VMCR_ACK_CTL_SHIFT 2 |
| #define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) |
| #define ICH_VMCR_FIQ_EN_SHIFT 3 |
| #define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) |
| #define ICH_VMCR_CBPR_SHIFT 4 |
| #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) |
| #define ICH_VMCR_EOIM_SHIFT 9 |
| #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT) |
| #define ICH_VMCR_BPR1_SHIFT 18 |
| #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT) |
| #define ICH_VMCR_BPR0_SHIFT 21 |
| #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT) |
| #define ICH_VMCR_PMR_SHIFT 24 |
| #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT) |
| #define ICH_VMCR_ENG0_SHIFT 0 |
| #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT) |
| #define ICH_VMCR_ENG1_SHIFT 1 |
| #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT) |
| |
| #define ICH_VTR_PRI_BITS_SHIFT 29 |
| #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT) |
| #define ICH_VTR_ID_BITS_SHIFT 23 |
| #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT) |
| #define ICH_VTR_SEIS_SHIFT 22 |
| #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT) |
| #define ICH_VTR_A3V_SHIFT 21 |
| #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT) |
| |
| #define ICC_IAR1_EL1_SPURIOUS 0x3ff |
| |
| #define ICC_SRE_EL2_SRE (1 << 0) |
| #define ICC_SRE_EL2_ENABLE (1 << 3) |
| |
| #define ICC_SGI1R_TARGET_LIST_SHIFT 0 |
| #define ICC_SGI1R_TARGET_LIST_MASK (0xffff << ICC_SGI1R_TARGET_LIST_SHIFT) |
| #define ICC_SGI1R_AFFINITY_1_SHIFT 16 |
| #define ICC_SGI1R_AFFINITY_1_MASK (0xff << ICC_SGI1R_AFFINITY_1_SHIFT) |
| #define ICC_SGI1R_SGI_ID_SHIFT 24 |
| #define ICC_SGI1R_SGI_ID_MASK (0xfULL << ICC_SGI1R_SGI_ID_SHIFT) |
| #define ICC_SGI1R_AFFINITY_2_SHIFT 32 |
| #define ICC_SGI1R_AFFINITY_2_MASK (0xffULL << ICC_SGI1R_AFFINITY_2_SHIFT) |
| #define ICC_SGI1R_IRQ_ROUTING_MODE_BIT 40 |
| #define ICC_SGI1R_AFFINITY_3_SHIFT 48 |
| #define ICC_SGI1R_AFFINITY_3_MASK (0xffULL << ICC_SGI1R_AFFINITY_3_SHIFT) |
| |
| #include <asm/arch_gicv3.h> |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* |
| * We need a value to serve as a irq-type for LPIs. Choose one that will |
| * hopefully pique the interest of the reviewer. |
| */ |
| #define GIC_IRQ_TYPE_LPI 0xa110c8ed |
| |
| struct rdists { |
| struct { |
| void __iomem *rd_base; |
| struct page *pend_page; |
| phys_addr_t phys_base; |
| } __percpu *rdist; |
| struct page *prop_page; |
| int id_bits; |
| u64 flags; |
| bool has_vlpis; |
| bool has_direct_lpi; |
| }; |
| |
| struct irq_domain; |
| struct fwnode_handle; |
| int its_cpu_init(void); |
| int its_init(struct fwnode_handle *handle, struct rdists *rdists, |
| struct irq_domain *domain); |
| |
| static inline bool gic_enable_sre(void) |
| { |
| u32 val; |
| |
| val = gic_read_sre(); |
| if (val & ICC_SRE_EL1_SRE) |
| return true; |
| |
| val |= ICC_SRE_EL1_SRE; |
| gic_write_sre(val); |
| val = gic_read_sre(); |
| |
| return !!(val & ICC_SRE_EL1_SRE); |
| } |
| |
| #endif |
| |
| #endif |