diff options
Diffstat (limited to 'arch/x86/cpu/ioapic.c')
-rw-r--r-- | arch/x86/cpu/ioapic.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/cpu/ioapic.c b/arch/x86/cpu/ioapic.c new file mode 100644 index 0000000000..112a9c63b4 --- /dev/null +++ b/arch/x86/cpu/ioapic.c @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/ioapic.h> + +u32 io_apic_read(u32 reg) +{ + writel(reg, IO_APIC_INDEX); + return readl(IO_APIC_DATA); +} + +void io_apic_write(u32 reg, u32 val) +{ + writel(reg, IO_APIC_INDEX); + writel(val, IO_APIC_DATA); +} |