serial-regs.h 1.6 KB

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  1. /* serial-regs.h: serial port registers
  2. *
  3. * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
  4. * Written by David Howells (dhowells@redhat.com)
  5. *
  6. * This program is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU General Public License
  8. * as published by the Free Software Foundation; either version
  9. * 2 of the License, or (at your option) any later version.
  10. */
  11. #ifndef _ASM_SERIAL_REGS_H
  12. #define _ASM_SERIAL_REGS_H
  13. #include <linux/serial_reg.h>
  14. #include <asm/irc-regs.h>
  15. #define SERIAL_ICLK 33333333 /* the target serial input clock */
  16. #define UART0_BASE 0xfeff9c00
  17. #define UART1_BASE 0xfeff9c40
  18. #define __get_UART0(R) ({ __reg(UART0_BASE + (R) * 8) >> 24; })
  19. #define __get_UART1(R) ({ __reg(UART1_BASE + (R) * 8) >> 24; })
  20. #define __set_UART0(R,V) do { __reg(UART0_BASE + (R) * 8) = (V) << 24; } while(0)
  21. #define __set_UART1(R,V) do { __reg(UART1_BASE + (R) * 8) = (V) << 24; } while(0)
  22. #define __get_UART0_LSR() ({ __get_UART0(UART_LSR); })
  23. #define __get_UART1_LSR() ({ __get_UART1(UART_LSR); })
  24. #define __set_UART0_IER(V) __set_UART0(UART_IER,(V))
  25. #define __set_UART1_IER(V) __set_UART1(UART_IER,(V))
  26. /* serial prescaler select register */
  27. #define __get_UCPSR() ({ *(volatile unsigned long *)(0xfeff9c90); })
  28. #define __set_UCPSR(V) do { *(volatile unsigned long *)(0xfeff9c90) = (V); } while(0)
  29. #define UCPSR_SELECT0 0x07000000
  30. #define UCPSR_SELECT1 0x38000000
  31. /* serial prescaler base value register */
  32. #define __get_UCPVR() ({ *(volatile unsigned long *)(0xfeff9c98); mb(); })
  33. #define __set_UCPVR(V) do { *(volatile unsigned long *)(0xfeff9c98) = (V) << 24; mb(); } while(0)
  34. #endif /* _ASM_SERIAL_REGS_H */