arch/arm/mach-davinci/include/mach/serial.h

   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
  14 #include <mach/io.h>
  15
  16 #define DAVINCI_MAX_NR_UARTS    3
  17 #define DAVINCI_UART0_BASE      (IO_PHYS + 0x20000)
  18 #define DAVINCI_UART1_BASE      (IO_PHYS + 0x20400)
  19 #define DAVINCI_UART2_BASE      (IO_PHYS + 0x20800)
  20
  21 /* DaVinci UART register offsets */
  22 #define UART_DAVINCI_PWREMU             0x0c
  23 #define UART_DM646X_SCR                 0x10
  24 #define UART_DM646X_SCR_TX_WATERMARK    0x08
  25
  26 struct davinci_uart_config {
  27         /* Bit field of UARTs present; bit 0 --> UART1 */
  28         unsigned int enabled_uarts;
  29 };
  30
  31 extern int davinci_serial_init(struct davinci_uart_config *);
  32
  33 #endif /* __ASM_ARCH_SERIAL_H */