linux_old1/arch/arm/mach-clps711x/include/mach/uncompress.h

56 lines
1.5 KiB
C

/*
* arch/arm/mach-clps711x/include/mach/uncompress.h
*
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* 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
*/
#include <mach/clps711x.h>
#ifdef CONFIG_DEBUG_CLPS711X_UART2
#define SYSFLGx SYSFLG2
#define UARTDRx UARTDR2
#else
#define SYSFLGx SYSFLG1
#define UARTDRx UARTDR1
#endif
#define phys_reg(x) (*(volatile u32 *)(CLPS711X_PHYS_BASE + (x)))
/*
* The following code assumes the serial port has already been
* initialized by the bootloader. If you didn't setup a port in
* your bootloader then nothing will appear (which might be desired).
*
* This does not append a newline
*/
static inline void putc(int c)
{
while (phys_reg(SYSFLGx) & SYSFLG_UTXFF)
barrier();
phys_reg(UARTDRx) = c;
}
static inline void flush(void)
{
while (phys_reg(SYSFLGx) & SYSFLG_UBUSY)
barrier();
}
/*
* nothing to do
*/
#define arch_decomp_setup()