da2014a2b0
This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/*
|
|
* arch/sh/boards/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);
|
|
}
|