[mirror_ubuntu-focal-kernel.git] / include / asm-arm / arch-h720x / uncompress.h

/*
 * 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 inline void putc(int c)
{
	volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000);

	/* wait until transmit buffer is empty */
	while((p[LSR] & TEMPTY) == 0x0)
		barrier();

	/* write next character */
	*p = c;
}

static inline void flush(void)
{
}

/*
 * nothing to do
 */
#define arch_decomp_setup()
#define arch_decomp_wdog()

#endif
Commit	Line	Data
1da177e4 LT	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
be509729	10	#include <asm/arch/hardware.h>
1da177e4 LT	11
	12	#define LSR 0x14
	13	#define TEMPTY 0x40
	14
a081568d	15	static inline void putc(int c)
1da177e4	16	{
1da177e4 LT	17	volatile unsigned char p = (volatile unsigned char )(IO_PHYS+0x20000);
1da177e4 LT	18
a081568d RK	19	/* wait until transmit buffer is empty */
	20	while((p[LSR] & TEMPTY) == 0x0)
	21	barrier();
	22
	23	/* write next character */
	24	*p = c;
	25	}
	26
	27	static inline void flush(void)
	28	{
1da177e4 LT	29	}
	30
	31	/*
	32	* nothing to do
	33	*/
	34	#define arch_decomp_setup()
	35	#define arch_decomp_wdog()
	36
	37	#endif