include/mach/uncompress.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  *  arch/arm/mach-footbridge/include/mach/uncompress.h
0004  *
0005  *  Copyright (C) 1996-1999 Russell King
0006  */
0007 #include <asm/mach-types.h>
0008
0009 /*
0010  * Note! This could cause problems on the NetWinder
0011  */
0012 #define DC21285_BASE ((volatile unsigned int *)0x42000160)
0013 #define SER0_BASE    ((volatile unsigned char *)0x7c0003f8)
0014
0015 static inline void putc(char c)
0016 {
0017     if (machine_is_netwinder()) {
0018         while ((SER0_BASE[5] & 0x60) != 0x60)
0019             barrier();
0020         SER0_BASE[0] = c;
0021     } else {
0022         while (DC21285_BASE[6] & 8);
0023         DC21285_BASE[0] = c;
0024     }
0025 }
0026
0027 static inline void flush(void)
0028 {
0029 }
0030
0031 /*
0032  * nothing to do
0033  */
0034 #define arch_decomp_setup()