serial.h 951 B

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  1. /*
  2. * DaVinci serial device definitions
  3. *
  4. * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
  5. *
  6. * 2007 (c) MontaVista Software, Inc. This file is licensed under
  7. * the terms of the GNU General Public License version 2. This program
  8. * is licensed "as is" without any warranty of any kind, whether express
  9. * or implied.
  10. */
  11. #ifndef __ASM_ARCH_SERIAL_H
  12. #define __ASM_ARCH_SERIAL_H
  13. #include <mach/io.h>
  14. #define DAVINCI_MAX_NR_UARTS 3
  15. #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000)
  16. #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400)
  17. #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800)
  18. /* DaVinci UART register offsets */
  19. #define UART_DAVINCI_PWREMU 0x0c
  20. #define UART_DM646X_SCR 0x10
  21. #define UART_DM646X_SCR_TX_WATERMARK 0x08
  22. struct davinci_uart_config {
  23. /* Bit field of UARTs present; bit 0 --> UART1 */
  24. unsigned int enabled_uarts;
  25. };
  26. extern int davinci_serial_init(struct davinci_uart_config *);
  27. #endif /* __ASM_ARCH_SERIAL_H */