![Uwe Zeisberger](/assets/img/avatar_default.png)
Many files include the filename at the beginning, serveral used a wrong one. Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
|
|
* arch/sh64/mach-cayman/led.c
|
|
*
|
|
* Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
|
|
*
|
|
* May be copied or modified under the terms of the GNU General Public
|
|
* License. See linux/COPYING for more information.
|
|
*
|
|
* Flash the LEDs
|
|
*/
|
|
#include <asm/io.h>
|
|
|
|
/*
|
|
** It is supposed these functions to be used for a low level
|
|
** debugging (via Cayman LEDs), hence to be available as soon
|
|
** as possible.
|
|
** Unfortunately Cayman LEDs relies on Cayman EPLD to be mapped
|
|
** (this happen when IRQ are initialized... quite late).
|
|
** These triky dependencies should be removed. Temporary, it
|
|
** may be enough to NOP until EPLD is mapped.
|
|
*/
|
|
|
|
extern unsigned long epld_virt;
|
|
|
|
#define LED_ADDR (epld_virt + 0x008)
|
|
#define HDSP2534_ADDR (epld_virt + 0x100)
|
|
|
|
void mach_led(int position, int value)
|
|
{
|
|
if (!epld_virt)
|
|
return;
|
|
|
|
if (value)
|
|
ctrl_outl(0, LED_ADDR);
|
|
else
|
|
ctrl_outl(1, LED_ADDR);
|
|
|
|
}
|
|
|
|
void mach_alphanum(int position, unsigned char value)
|
|
{
|
|
if (!epld_virt)
|
|
return;
|
|
|
|
ctrl_outb(value, HDSP2534_ADDR + 0xe0 + (position << 2));
|
|
}
|
|
|
|
void mach_alphanum_brightness(int setting)
|
|
{
|
|
ctrl_outb(setting & 7, HDSP2534_ADDR + 0xc0);
|
|
}
|