Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* arch/arm/mach-sa1100/include/mach/uncompress.h
|
|
*
|
|
* (C) 1999 Nicolas Pitre <nico@fluxnic.net>
|
|
*
|
|
* Reorganised to be machine independent.
|
|
*/
|
|
|
|
#include "hardware.h"
|
|
|
|
#define IOMEM(x) (x)
|
|
|
|
/*
|
|
* The following code assumes the serial port has already been
|
|
* initialized by the bootloader. We search for the first enabled
|
|
* port in the most probable order. If you didn't setup a port in
|
|
* your bootloader then nothing will appear (which might be desired).
|
|
*/
|
|
|
|
#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
|
|
|
|
static inline void putc(int c)
|
|
{
|
|
unsigned long serial_port;
|
|
|
|
do {
|
|
serial_port = _Ser3UTCR0;
|
|
if (UART(UTCR3) & UTCR3_TXE) break;
|
|
serial_port = _Ser1UTCR0;
|
|
if (UART(UTCR3) & UTCR3_TXE) break;
|
|
serial_port = _Ser2UTCR0;
|
|
if (UART(UTCR3) & UTCR3_TXE) break;
|
|
return;
|
|
} while (0);
|
|
|
|
/* wait for space in the UART's transmitter */
|
|
while (!(UART(UTSR1) & UTSR1_TNF))
|
|
barrier();
|
|
|
|
/* send the character out. */
|
|
UART(UTDR) = c;
|
|
}
|
|
|
|
static inline void flush(void)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Nothing to do for these
|
|
*/
|
|
#define arch_decomp_setup()
|