x86: move 8259 defines to i8259.h

Move the i8259 defines and remove the now io_ports.h

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 16 insertions, 1 deletions

diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h
index 29d8f9a6b3fc..cabcc6cf3923 100644
--- a/include/asm-x86/i8259.h
+++ b/include/asm-x86/i8259.h
@@ -3,10 +3,25 @@
 
 extern unsigned int cached_irq_mask;
 
-#define __byte(x,y)             (((unsigned char *) &(y))[x])
+#define __byte(x,y)             (((unsigned char *) &(y))[x])
 #define cached_master_mask      (__byte(0, cached_irq_mask))
 #define cached_slave_mask       (__byte(1, cached_irq_mask))
 
+/* i8259A PIC registers */
+#define PIC_MASTER_CMD          0x20
+#define PIC_MASTER_IMR          0x21
+#define PIC_MASTER_ISR          PIC_MASTER_CMD
+#define PIC_MASTER_POLL         PIC_MASTER_ISR
+#define PIC_MASTER_OCW3         PIC_MASTER_ISR
+#define PIC_SLAVE_CMD           0xa0
+#define PIC_SLAVE_IMR           0xa1
+
+/* i8259A PIC related value */
+#define PIC_CASCADE_IR          2
+#define MASTER_ICW4_DEFAULT     0x01
+#define SLAVE_ICW4_DEFAULT      0x01
+#define PIC_ICW4_AEOI           2
+
 extern spinlock_t i8259A_lock;
 
 extern void init_8259A(int auto_eoi);