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 (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__ 49struct davinci_uart_config { 50 /* Bit field of UARTs present; bit 0 --> UART1 */ 51 unsigned int enabled_uarts; 52}; 53 54extern int davinci_serial_init(struct davinci_uart_config *); 55#endif 56 57#endif /* __ASM_ARCH_SERIAL_H */ 58