1 /* 2 * arch/arm/mach-footbridge/include/mach/uncompress.h 3 * 4 * Copyright (C) 1996-1999 Russell King 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 version 2 as 8 * published by the Free Software Foundation. 9 */ 10 #include <asm/mach-types.h> 11 12 /* 13 * Note! This could cause problems on the NetWinder 14 */ 15 #define DC21285_BASE ((volatile unsigned int *)0x42000160) 16 #define SER0_BASE ((volatile unsigned char *)0x7c0003f8) 17 18 static inline void putc(char c) 19 { 20 if (machine_is_netwinder()) { 21 while ((SER0_BASE[5] & 0x60) != 0x60) 22 barrier(); 23 SER0_BASE[0] = c; 24 } else { 25 while (DC21285_BASE[6] & 8); 26 DC21285_BASE[0] = c; 27 } 28 } 29 30 static inline void flush(void) 31 { 32 } 33 34 /* 35 * nothing to do 36 */ 37 #define arch_decomp_setup() 38 #define arch_decomp_wdog() 39