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| author | Tom Rini <trini@konsulko.com> | 2015-07-15 14:41:20 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-07-15 14:41:20 (GMT) |
| commit | 605e15db2b54302364a2528d3c6604fbc57be846 (patch) | |
| tree | 1a1e344964bff1719939183124d66a71e7ca7731 /arch/x86/include/asm/ioapic.h | |
| parent | 4905dfc65d9a17083727865302d2cf633c15c911 (diff) | |
| parent | f110da9984c0aa0aba9e1c4178b67b7abecf7e8d (diff) | |
| download | u-boot-605e15db2b54302364a2528d3c6604fbc57be846.tar.xz | |
Merge git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/include/asm/ioapic.h')
| -rw-r--r-- | arch/x86/include/asm/ioapic.h | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/arch/x86/include/asm/ioapic.h b/arch/x86/include/asm/ioapic.h index 699160f..77c443e 100644 --- a/arch/x86/include/asm/ioapic.h +++ b/arch/x86/include/asm/ioapic.h @@ -10,29 +10,33 @@ #define __ASM_IOAPIC_H #define IO_APIC_ADDR 0xfec00000 -#define IO_APIC_INDEX IO_APIC_ADDR + +/* Direct addressed register */ +#define IO_APIC_INDEX (IO_APIC_ADDR + 0x00) #define IO_APIC_DATA (IO_APIC_ADDR + 0x10) -#define IO_APIC_INTERRUPTS 24 -#define ALL (0xff << 24) -#define NONE 0 -#define DISABLED (1 << 16) -#define ENABLED (0 << 16) -#define TRIGGER_EDGE (0 << 15) -#define TRIGGER_LEVEL (1 << 15) -#define POLARITY_HIGH (0 << 13) -#define POLARITY_LOW (1 << 13) -#define PHYSICAL_DEST (0 << 11) -#define LOGICAL_DEST (1 << 11) -#define ExtINT (7 << 8) -#define NMI (4 << 8) -#define SMI (2 << 8) -#define INT (1 << 8) +/* Indirect addressed register offset */ +#define IO_APIC_ID 0x00 +#define IO_APIC_VER 0x01 + +/** + * io_apic_read() - Read I/O APIC register + * + * This routine reads I/O APIC indirect addressed register. + * + * @reg: address of indirect addressed register + * @return: register value to read + */ +u32 io_apic_read(u32 reg); -u32 io_apic_read(u32 ioapic_base, u32 reg); -void io_apic_write(u32 ioapic_base, u32 reg, u32 value); -void set_ioapic_id(u32 ioapic_base, u8 ioapic_id); -void setup_ioapic(u32 ioapic_base, u8 ioapic_id); -void clear_ioapic(u32 ioapic_base); +/** + * io_apic_write() - Write I/O APIC register + * + * This routine writes I/O APIC indirect addressed register. + * + * @reg: address of indirect addressed register + * @val: register value to write + */ +void io_apic_write(u32 reg, u32 val); #endif |