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 * We define it as a relative offset from start of usable RAM. 25 */ 26 #define DAVINCI_UART_INFO_OFS 0x3ff8 27 28 #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) 29 #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) 30 #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) 31 32 #define DA8XX_UART0_BASE (IO_PHYS + 0x042000) 33 #define DA8XX_UART1_BASE (IO_PHYS + 0x10c000) 34 #define DA8XX_UART2_BASE (IO_PHYS + 0x10d000) 35 36 #define TNETV107X_UART0_BASE 0x08108100 37 #define TNETV107X_UART1_BASE 0x08088400 38 #define TNETV107X_UART2_BASE 0x08108300 39 40 #define TNETV107X_UART0_VIRT IOMEM(0xfee08100) 41 #define TNETV107X_UART1_VIRT IOMEM(0xfed88400) 42 #define TNETV107X_UART2_VIRT IOMEM(0xfee08300) 43 44 /* DaVinci UART register offsets */ 45 #define UART_DAVINCI_PWREMU 0x0c 46 #define UART_DM646X_SCR 0x10 47 #define UART_DM646X_SCR_TX_WATERMARK 0x08 48 49 #ifndef __ASSEMBLY__ 50 struct davinci_uart_config { 51 /* Bit field of UARTs present; bit 0 --> UART1 */ 52 unsigned int enabled_uarts; 53 }; 54 55 extern int davinci_serial_init(struct davinci_uart_config *); 56 #endif 57 58 #endif /* __ASM_ARCH_SERIAL_H */ 59