Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-h720x/uncompress.h |
| 3 | * |
| 4 | * Copyright (C) 2001-2002 Jungjun Kim |
| 5 | */ |
| 6 | |
| 7 | #ifndef __ASM_ARCH_UNCOMPRESS_H |
| 8 | #define __ASM_ARCH_UNCOMPRESS_H |
| 9 | |
| 10 | #include <asm/arch/hardware.h> |
| 11 | |
| 12 | #define LSR 0x14 |
| 13 | #define TEMPTY 0x40 |
| 14 | |
| 15 | static void putstr(const char *s) |
| 16 | { |
| 17 | char c; |
| 18 | volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000); |
| 19 | |
| 20 | while ( (c = *s++) != '\0') { |
| 21 | /* wait until transmit buffer is empty */ |
| 22 | while((p[LSR] & TEMPTY) == 0x0); |
| 23 | /* write next character */ |
| 24 | *p = c; |
| 25 | |
| 26 | if(c == '\n') { |
| 27 | while((p[LSR] & TEMPTY) == 0x0); |
| 28 | *p = '\r'; |
| 29 | } |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | /* |
| 34 | * nothing to do |
| 35 | */ |
| 36 | #define arch_decomp_setup() |
| 37 | #define arch_decomp_wdog() |
| 38 | |
| 39 | #endif |