/* * arch/arm64/include/asm/arch_gicv3.h * * Copyright (C) 2015 ARM Ltd. * * 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 __ASM_ARCH_GICV3_H #define __ASM_ARCH_GICV3_H #include <asm/sysreg.h> #ifndef __ASSEMBLY__ #include <linux/stringify.h> #include <asm/barrier.h> #include <asm/cacheflush.h> #define read_gicreg(r) read_sysreg_s(SYS_ ## r) #define write_gicreg(v, r) write_sysreg_s(v, SYS_ ## r) /* * Low-level accessors * * These system registers are 32 bits, but we make sure that the compiler * sets the GP register's most significant bits to 0 with an explicit cast. */ static inline void gic_write_eoir(u32 irq) { write_sysreg_s(irq, SYS_ICC_EOIR1_EL1); isb(); } static inline void gic_write_dir(u32 irq) { write_sysreg_s(irq, SYS_ICC_DIR_EL1); isb(); } static inline u64 gic_read_iar_common(void) { u64 irqstat; irqstat = read_sysreg_s(SYS_ICC_IAR1_EL1); dsb(sy); return irqstat; } /* * Cavium ThunderX erratum 23154 * * The gicv3 of ThunderX requires a modified version for reading the * IAR status to ensure data synchronization (access to icc_iar1_el1 * is not sync'ed before and after). */ static inline u64 gic_read_iar_cavium_thunderx(void) { u64 irqstat; nops(8); irqstat = read_sysreg_s(SYS_ICC_IAR1_EL1); nops(4); mb(); return irqstat; } static inline void gic_write_pmr(u32 val) { write_sysreg_s(val, SYS_ICC_PMR_EL1); } static inline void gic_write_ctlr(u32 val) { write_sysreg_s(val, SYS_ICC_CTLR_EL1); isb(); } static inline u32 gic_read_ctlr(void) { return read_sysreg_s(SYS_ICC_CTLR_EL1); } static inline void gic_write_grpen1(u32 val) { write_sysreg_s(val, SYS_ICC_IGRPEN1_EL1); isb(); } static inline void gic_write_sgi1r(u64 val) { write_sysreg_s(val, SYS_ICC_SGI1R_EL1); } static inline u32 gic_read_sre(void) { return read_sysreg_s(SYS_ICC_SRE_EL1); } static inline void gic_write_sre(u32 val) { write_sysreg_s(val, SYS_ICC_SRE_EL1); isb(); } static inline void gic_write_bpr1(u32 val) { write_sysreg_s(val, SYS_ICC_BPR1_EL1); } #define gic_read_typer(c) readq_relaxed(c) #define gic_write_irouter(v, c) writeq_relaxed(v, c) #define gic_read_lpir(c) readq_relaxed(c) #define gic_write_lpir(v, c) writeq_relaxed(v, c) #define gic_flush_dcache_to_poc(a,l) __flush_dcache_area((a), (l)) #define gits_read_baser(c) readq_relaxed(c) #define gits_write_baser(v, c) writeq_relaxed(v, c) #define gits_read_cbaser(c) readq_relaxed(c) #define gits_write_cbaser(v, c) writeq_relaxed(v, c) #define gits_write_cwriter(v, c) writeq_relaxed(v, c) #define gicr_read_propbaser(c) readq_relaxed(c) #define gicr_write_propbaser(v, c) writeq_relaxed(v, c) #define gicr_write_pendbaser(v, c) writeq_relaxed(v, c) #define gicr_read_pendbaser(c) readq_relaxed(c) #define gits_write_vpropbaser(v, c) writeq_relaxed(v, c) #define gits_write_vpendbaser(v, c) writeq_relaxed(v, c) #define gits_read_vpendbaser(c) readq_relaxed(c) #endif /* __ASSEMBLY__ */ #endif /* __ASM_ARCH_GICV3_H */
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acenv.h | File | 541 B | 0644 |
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acpi.h | File | 4.34 KB | 0644 |
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alternative.h | File | 7.63 KB | 0644 |
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arch_gicv3.h | File | 3.44 KB | 0644 |
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arch_timer.h | File | 4.87 KB | 0644 |
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asm-bug.h | File | 1.45 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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asm-uaccess.h | File | 2.09 KB | 0644 |
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atomic.h | File | 8.35 KB | 0644 |
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irqflags.h | File | 2.3 KB | 0644 |
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processor.h | File | 6.52 KB | 0644 |
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ptdump.h | File | 1.42 KB | 0644 |
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string.h | File | 2.33 KB | 0644 |
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suspend.h | File | 1.65 KB | 0644 |
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sync_bitops.h | File | 1.11 KB | 0644 |
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syscall.h | File | 2.87 KB | 0644 |
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sysreg.h | File | 25.1 KB | 0644 |
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system_misc.h | File | 1.86 KB | 0644 |
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thread_info.h | File | 3.93 KB | 0644 |
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timex.h | File | 883 B | 0644 |
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tlb.h | File | 2.22 KB | 0644 |
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tlbflush.h | File | 5.38 KB | 0644 |
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topology.h | File | 1.29 KB | 0644 |
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traps.h | File | 3.33 KB | 0644 |
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uaccess.h | File | 12.01 KB | 0644 |
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unistd.h | File | 1.6 KB | 0644 |
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unistd32.h | File | 27.53 KB | 0644 |
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uprobes.h | File | 777 B | 0644 |
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vdso.h | File | 1.09 KB | 0644 |
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vdso_datapage.h | File | 1.53 KB | 0644 |
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vectors.h | File | 1.75 KB | 0644 |
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virt.h | File | 3 KB | 0644 |
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vmap_stack.h | File | 769 B | 0644 |
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