1/* 2 * arch/arm/mach-realview/include/mach/uncompress.h 3 * 4 * Copyright (C) 2003 ARM Limited 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20#include <mach/hardware.h> 21#include <asm/mach-types.h> 22 23#include <mach/board-eb.h> 24#include <mach/board-pb11mp.h> 25#include <mach/board-pb1176.h> 26#include <mach/board-pba8.h> 27#include <mach/board-pbx.h> 28 29#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00)) 30#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c)) 31#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30)) 32#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18)) 33 34/* 35 * Return the UART base address 36 */ 37static inline unsigned long get_uart_base(void) 38{ 39 if (machine_is_realview_eb()) 40 return REALVIEW_EB_UART0_BASE; 41 else if (machine_is_realview_pb11mp()) 42 return REALVIEW_PB11MP_UART0_BASE; 43 else if (machine_is_realview_pb1176()) 44 return REALVIEW_PB1176_UART0_BASE; 45 else if (machine_is_realview_pba8()) 46 return REALVIEW_PBA8_UART0_BASE; 47 else if (machine_is_realview_pbx()) 48 return REALVIEW_PBX_UART0_BASE; 49 else 50 return 0; 51} 52 53/* 54 * This does not append a newline 55 */ 56static inline void putc(int c) 57{ 58 unsigned long base = get_uart_base(); 59 60 while (AMBA_UART_FR(base) & (1 << 5)) 61 barrier(); 62 63 AMBA_UART_DR(base) = c; 64} 65 66static inline void flush(void) 67{ 68 unsigned long base = get_uart_base(); 69 70 while (AMBA_UART_FR(base) & (1 << 3)) 71 barrier(); 72} 73 74/* 75 * nothing to do 76 */ 77#define arch_decomp_setup() 78#define arch_decomp_wdog() 79