[deliverable/linux.git] / include / asm-arm / arch-cl7500 / uncompress.h

/*
 * linux/include/asm-arm/arch-cl7500/uncompress.h
 *
 * Copyright (C) 1999, 2000 Nexus Electronics Ltd.
 */
#define BASE 0x03010000
#define SERBASE (BASE + (0x2f8 << 2))

static inline void putc(char c)
{
	while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20))
		barrier();

	*((volatile unsigned int *)(SERBASE)) = c;
}

static inline void flush(void)
{
}

static __inline__ void arch_decomp_setup(void)
{
	int baud = 3686400 / (9600 * 32);

	*((volatile unsigned int *)(SERBASE + 0xC)) = 0x80;
	*((volatile unsigned int *)(SERBASE + 0x0)) = baud & 0xff;
	*((volatile unsigned int *)(SERBASE + 0x4)) = (baud & 0xff00) >> 8;
	*((volatile unsigned int *)(SERBASE + 0xC)) = 3; /* 8 bits */
	*((volatile unsigned int *)(SERBASE + 0x10)) = 3; /* DTR, RTS */
}

/*
 * nothing to do
 */
#define arch_decomp_wdog()
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/include/asm-arm/arch-cl7500/uncompress.h
	3	*
	4	* Copyright (C) 1999, 2000 Nexus Electronics Ltd.
	5	*/
1da177e4 LT	6	#define BASE 0x03010000
	7	#define SERBASE (BASE + (0x2f8 << 2))
	8
a081568d	9	static inline void putc(char c)
1da177e4	10	{
a081568d RK	11	while (!(((volatile unsigned int )(SERBASE + 0x14)) & 0x20))
	12	barrier();
	13
1da177e4 LT	14	((volatile unsigned int )(SERBASE)) = c;
	15	}
	16
a081568d	17	static inline void flush(void)
1da177e4	18	{
1da177e4 LT	19	}
	20
	21	static __inline__ void arch_decomp_setup(void)
	22	{
	23	int baud = 3686400 / (9600 * 32);
	24
	25	((volatile unsigned int )(SERBASE + 0xC)) = 0x80;
	26	((volatile unsigned int )(SERBASE + 0x0)) = baud & 0xff;
	27	((volatile unsigned int )(SERBASE + 0x4)) = (baud & 0xff00) >> 8;
	28	((volatile unsigned int )(SERBASE + 0xC)) = 3; /* 8 bits */
	29	((volatile unsigned int )(SERBASE + 0x10)) = 3; /* DTR, RTS */
	30	}
	31
	32	/*
	33	* nothing to do
	34	*/
	35	#define arch_decomp_wdog()