linux/arch/arm/mach-vt8500/include/mach/uncompress.h
Tony Prisk 096947fdab arm: vt8500: Fix build warning in uncompress.h
This removes a build-time warning in uncompress.h due to incorrectly
cast values being passed to readb/writeb.

Removed arm/io.h and readb/writeb. Read/write directly to the serial
port with a volatile pointer.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-07 14:50:06 -07:00

38 lines
962 B
C

/* arch/arm/mach-vt8500/include/mach/uncompress.h
*
* Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
*
* Based on arch/arm/mach-dove/include/mach/uncompress.h
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#define UART0_PHYS 0xd8200000
#define UART0_ADDR(x) *(volatile unsigned char *)(UART0_PHYS + x)
static void putc(const char c)
{
while (UART0_ADDR(0x1c) & 0x2)
/* Tx busy, wait and poll */;
UART0_ADDR(0) = c;
}
static void flush(void)
{
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()