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 <asm/memory.h>
  15
  16 #include <mach/hardware.h>
  17
  18 /*
  19  * Stolen area that contains debug uart physical and virtual addresses.  These
  20  * addresses are filled in by the uncompress.h code, and are used by the debug
  21  * macros in debug-macro.S.
  22  *
  23  * This area sits just below the page tables (see arch/arm/kernel/head.S).
  24  */
  25 #define DAVINCI_UART_INFO       (PLAT_PHYS_OFFSET + 0x3ff8)
  26
  27 #define DAVINCI_UART0_BASE      (IO_PHYS + 0x20000)
  28 #define DAVINCI_UART1_BASE      (IO_PHYS + 0x20400)
  29 #define DAVINCI_UART2_BASE      (IO_PHYS + 0x20800)
  30
  31 #define DA8XX_UART0_BASE        (IO_PHYS + 0x042000)
  32 #define DA8XX_UART1_BASE        (IO_PHYS + 0x10c000)
  33 #define DA8XX_UART2_BASE        (IO_PHYS + 0x10d000)
  34
  35 #define TNETV107X_UART0_BASE    0x08108100
  36 #define TNETV107X_UART1_BASE    0x08088400
  37 #define TNETV107X_UART2_BASE    0x08108300
  38
  39 #define TNETV107X_UART0_VIRT    IOMEM(0xfee08100)
  40 #define TNETV107X_UART1_VIRT    IOMEM(0xfed88400)
  41 #define TNETV107X_UART2_VIRT    IOMEM(0xfee08300)
  42
  43 /* DaVinci UART register offsets */
  44 #define UART_DAVINCI_PWREMU             0x0c
  45 #define UART_DM646X_SCR                 0x10
  46 #define UART_DM646X_SCR_TX_WATERMARK    0x08
  47
  48 #ifndef __ASSEMBLY__
  49 struct davinci_uart_config {
  50         /* Bit field of UARTs present; bit 0 --> UART1 */
  51         unsigned int enabled_uarts;
  52 };
  53
  54 extern int davinci_serial_init(struct davinci_uart_config *);
  55 #endif
  56
  57 #endif /* __ASM_ARCH_SERIAL_H */