[net-next-2.6.git] / arch / arm / mach-ux500 / include / mach / uncompress.h

/*
 *  Copyright (C) 2009 ST-Ericsson
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#ifndef __ASM_ARCH_UNCOMPRESS_H
#define __ASM_ARCH_UNCOMPRESS_H

#include <asm/setup.h>
#include <linux/io.h>
#include <mach/hardware.h>

#define U8500_UART_DR		0x80007000
#define U8500_UART_LCRH		0x8000702c
#define U8500_UART_CR		0x80007030
#define U8500_UART_FR		0x80007018

static void putc(const char c)
{
	/* Do nothing if the UART is not enabled. */
	if (!(__raw_readb(U8500_UART_CR) & 0x1))
		return;

	if (c == '\n')
		putc('\r');

	while (__raw_readb(U8500_UART_FR) & (1 << 5))
		barrier();
	__raw_writeb(c, U8500_UART_DR);
}

static void flush(void)
{
	if (!(__raw_readb(U8500_UART_CR) & 0x1))
		return;
	while (__raw_readb(U8500_UART_FR) & (1 << 3))
		barrier();
}

static inline void arch_decomp_setup(void)
{
}

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

#endif /* __ASM_ARCH_UNCOMPRESS_H */
Commit	Line	Data
aa44ef4d SK	1	/*
	2	* Copyright (C) 2009 ST-Ericsson
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	17	*/
	18	#ifndef __ASM_ARCH_UNCOMPRESS_H
	19	#define __ASM_ARCH_UNCOMPRESS_H
	20
	21	#include <asm/setup.h>
	22	#include <linux/io.h>
	23	#include <mach/hardware.h>
	24
	25	#define U8500_UART_DR 0x80007000
	26	#define U8500_UART_LCRH 0x8000702c
	27	#define U8500_UART_CR 0x80007030
	28	#define U8500_UART_FR 0x80007018
	29
	30	static void putc(const char c)
	31	{
	32	/* Do nothing if the UART is not enabled. */
661f10f6	33	if (!(__raw_readb(U8500_UART_CR) & 0x1))
aa44ef4d SK	34	return;
	35
	36	if (c == '\n')
	37	putc('\r');
	38
661f10f6	39	while (__raw_readb(U8500_UART_FR) & (1 << 5))
aa44ef4d	40	barrier();
661f10f6	41	__raw_writeb(c, U8500_UART_DR);
aa44ef4d SK	42	}
	43
	44	static void flush(void)
	45	{
661f10f6	46	if (!(__raw_readb(U8500_UART_CR) & 0x1))
aa44ef4d	47	return;
661f10f6	48	while (__raw_readb(U8500_UART_FR) & (1 << 3))
aa44ef4d SK	49	barrier();
	50	}
	51
	52	static inline void arch_decomp_setup(void)
	53	{
	54	}
	55
	56	#define arch_decomp_wdog() /* nothing to do here */
	57
	58	#endif /* __ASM_ARCH_UNCOMPRESS_H */