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

58 lines
1.7 KiB
C

/*
* DaVinci serial device definitions
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ASM_ARCH_SERIAL_H
#define __ASM_ARCH_SERIAL_H
#include <asm/memory.h>
#include <mach/hardware.h>
/*
* Stolen area that contains debug uart physical and virtual addresses. These
* addresses are filled in by the uncompress.h code, and are used by the debug
* macros in debug-macro.S.
*
* This area sits just below the page tables (see arch/arm/kernel/head.S).
*/
#define DAVINCI_UART_INFO (PHYS_OFFSET + 0x3ff8)
#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000)
#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400)
#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800)
#define DA8XX_UART0_BASE (IO_PHYS + 0x042000)
#define DA8XX_UART1_BASE (IO_PHYS + 0x10c000)
#define DA8XX_UART2_BASE (IO_PHYS + 0x10d000)
#define TNETV107X_UART0_BASE 0x08108100
#define TNETV107X_UART1_BASE 0x08088400
#define TNETV107X_UART2_BASE 0x08108300
#define TNETV107X_UART0_VIRT IOMEM(0xfee08100)
#define TNETV107X_UART1_VIRT IOMEM(0xfed88400)
#define TNETV107X_UART2_VIRT IOMEM(0xfee08300)
/* DaVinci UART register offsets */
#define UART_DAVINCI_PWREMU 0x0c
#define UART_DM646X_SCR 0x10
#define UART_DM646X_SCR_TX_WATERMARK 0x08
#ifndef __ASSEMBLY__
struct davinci_uart_config {
/* Bit field of UARTs present; bit 0 --> UART1 */
unsigned int enabled_uarts;
};
extern int davinci_serial_init(struct davinci_uart_config *);
#endif
#endif /* __ASM_ARCH_SERIAL_H */