| /* 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 <linux/serial_reg.h> |
| #include <asm/irc-regs.h> |
| |
| #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 */ |