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 */ 58