/* serial-regs.h: serial port registers * * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _ASM_SERIAL_REGS_H #define _ASM_SERIAL_REGS_H #include #include #define SERIAL_ICLK 33333333 /* the target serial input clock */ #define UART0_BASE 0xfeff9c00 #define UART1_BASE 0xfeff9c40 #define __get_UART0(R) ({ __reg(UART0_BASE + (R) * 8) >> 24; }) #define __get_UART1(R) ({ __reg(UART1_BASE + (R) * 8) >> 24; }) #define __set_UART0(R,V) do { __reg(UART0_BASE + (R) * 8) = (V) << 24; } while(0) #define __set_UART1(R,V) do { __reg(UART1_BASE + (R) * 8) = (V) << 24; } while(0) #define __get_UART0_LSR() ({ __get_UART0(UART_LSR); }) #define __get_UART1_LSR() ({ __get_UART1(UART_LSR); }) #define __set_UART0_IER(V) __set_UART0(UART_IER,(V)) #define __set_UART1_IER(V) __set_UART1(UART_IER,(V)) /* serial prescaler select register */ #define __get_UCPSR() ({ *(volatile unsigned long *)(0xfeff9c90); }) #define __set_UCPSR(V) do { *(volatile unsigned long *)(0xfeff9c90) = (V); } while(0) #define UCPSR_SELECT0 0x07000000 #define UCPSR_SELECT1 0x38000000 /* serial prescaler base value register */ #define __get_UCPVR() ({ *(volatile unsigned long *)(0xfeff9c98); mb(); }) #define __set_UCPVR(V) do { *(volatile unsigned long *)(0xfeff9c98) = (V) << 24; mb(); } while(0) #endif /* _ASM_SERIAL_REGS_H */ rch/m68k/coldfire/clk.c'>logtreecommitdiff
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