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| author | Stefano Babic <sbabic@denx.de> | 2015-07-17 11:22:56 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-07-17 11:22:56 +0200 |
| commit | f448c5d3200372fa73f340144d013fdecf4e2f1f (patch) | |
| tree | b17b66f67a22b553f66bcb22e69d62cb2a5bbe7e /arch/x86/cpu/ioapic.c | |
| parent | 425640256a7c5e9259f7583ee4eca1f3b70f8032 (diff) | |
| parent | 605e15db2b54302364a2528d3c6604fbc57be846 (diff) | |
| download | u-boot-imx-f448c5d3200372fa73f340144d013fdecf4e2f1f.zip u-boot-imx-f448c5d3200372fa73f340144d013fdecf4e2f1f.tar.gz u-boot-imx-f448c5d3200372fa73f340144d013fdecf4e2f1f.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot
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 0000000..112a9c6 --- /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); +} |