diff options
Diffstat (limited to 'include/asm-arm/arch-h720x/uncompress.h')
-rw-r--r-- | include/asm-arm/arch-h720x/uncompress.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-arm/arch-h720x/uncompress.h b/include/asm-arm/arch-h720x/uncompress.h new file mode 100644 index 000000000000..2fffacf85a01 --- /dev/null +++ b/include/asm-arm/arch-h720x/uncompress.h @@ -0,0 +1,39 @@ +/* + * linux/include/asm-arm/arch-h720x/uncompress.h + * + * Copyright (C) 2001-2002 Jungjun Kim + */ + +#ifndef __ASM_ARCH_UNCOMPRESS_H +#define __ASM_ARCH_UNCOMPRESS_H + +#include <asm/arch/hardware.h> + +#define LSR 0x14 +#define TEMPTY 0x40 + +static void putstr(const char *s) +{ + char c; + volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000); + + while ( (c = *s++) != '\0') { + /* wait until transmit buffer is empty */ + while((p[LSR] & TEMPTY) == 0x0); + /* write next character */ + *p = c; + + if(c == '\n') { + while((p[LSR] & TEMPTY) == 0x0); + *p = '\r'; + } + } +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() + +#endif |