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#ifndef KERN_mips32_SERIAL_H_
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#ifndef KERN_mips32_SERIAL_H_
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#define KERN_mips32_SERIAL_H_
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#define KERN_mips32_SERIAL_H_
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#include <console/chardev.h>
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#include <console/chardev.h>
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#define SERIAL_ADDRESS    0xB8000000
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#define SERIAL_MAX        4
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#define SERIAL_MAX        4
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#define SERIAL_COM1       0x3f8
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#define SERIAL_COM1       0x3f8
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#define SERIAL_COM1_IRQ   4
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#define SERIAL_COM1_IRQ   4
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#define SERIAL_COM2       0x2f8
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#define SERIAL_COM2       0x2f8
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#define SERIAL_COM2_IRQ   3
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#define SERIAL_COM2_IRQ   3
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#define P_WRITEB(where,what)     (*((volatile char *) (0xB8000000+where))=what)
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#define P_WRITEB(where, what)     (*((volatile char *) (SERIAL_ADDRESS + where)) = what)
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#define P_READB(where)           (*((volatile char *)(0xB8000000+where)))
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#define P_READB(where)            (*((volatile char *) (SERIAL_ADDRESS + where)))
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#define SERIAL_READ(x)            P_READB(x)
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#define SERIAL_WRITE(x, c)        P_WRITEB(x, c)
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#define SERIAL_READ(x)           P_READB(x)
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#define SERIAL_WRITE(x,c)        P_WRITEB(x,c)
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/* Interrupt enable register */
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/* Interrupt enable register */
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#define SERIAL_READ_IER(x)              (P_READB((x) + 1))
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#define SERIAL_READ_IER(x)              (P_READB((x) + 1))
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#define SERIAL_WRITE_IER(x,c)           (P_WRITEB((x)+1,c))
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#define SERIAL_WRITE_IER(x,c)           (P_WRITEB((x) + 1, c))
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/* Interrupt identification register */
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/* Interrupt identification register */
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#define SERIAL_READ_IIR(x)             (P_READB((x) + 2))
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#define SERIAL_READ_IIR(x)             (P_READB((x) + 2))
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/* Line status register */
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/* Line status register */
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#define SERIAL_READ_LSR(x)             (P_READB((x) + 5))
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#define SERIAL_READ_LSR(x)             (P_READB((x) + 5))
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#define TRANSMIT_EMPTY_BIT      5          
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#define TRANSMIT_EMPTY_BIT      5          
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typedef struct {
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typedef struct {