f178244712
SNI RM200 don't have the i8042 controller connected to the EISA bus, but have a second address range for onboard devices. This patch handles the two possible address ranges for the i8042 on SNI RMs. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
#ifndef _I8042_SNIRM_H
|
|
#define _I8042_SNIRM_H
|
|
|
|
#include <asm/sni.h>
|
|
|
|
/*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published by
|
|
* the Free Software Foundation.
|
|
*/
|
|
|
|
/*
|
|
* Names.
|
|
*/
|
|
|
|
#define I8042_KBD_PHYS_DESC "onboard/serio0"
|
|
#define I8042_AUX_PHYS_DESC "onboard/serio1"
|
|
#define I8042_MUX_PHYS_DESC "onboard/serio%d"
|
|
|
|
/*
|
|
* IRQs.
|
|
*/
|
|
static int i8042_kbd_irq;
|
|
static int i8042_aux_irq;
|
|
#define I8042_KBD_IRQ i8042_kbd_irq
|
|
#define I8042_AUX_IRQ i8042_aux_irq
|
|
|
|
static void __iomem *kbd_iobase;
|
|
|
|
#define I8042_COMMAND_REG (kbd_iobase + 0x64UL)
|
|
#define I8042_DATA_REG (kbd_iobase + 0x60UL)
|
|
|
|
static inline int i8042_read_data(void)
|
|
{
|
|
return readb(kbd_iobase + 0x60UL);
|
|
}
|
|
|
|
static inline int i8042_read_status(void)
|
|
{
|
|
return readb(kbd_iobase + 0x64UL);
|
|
}
|
|
|
|
static inline void i8042_write_data(int val)
|
|
{
|
|
writeb(val, kbd_iobase + 0x60UL);
|
|
}
|
|
|
|
static inline void i8042_write_command(int val)
|
|
{
|
|
writeb(val, kbd_iobase + 0x64UL);
|
|
}
|
|
static inline int i8042_platform_init(void)
|
|
{
|
|
/* RM200 is strange ... */
|
|
if (sni_brd_type == SNI_BRD_RM200) {
|
|
kbd_iobase = ioremap(0x16000000, 4);
|
|
i8042_kbd_irq = 33;
|
|
i8042_aux_irq = 44;
|
|
} else {
|
|
kbd_iobase = ioremap(0x14000000, 4);
|
|
i8042_kbd_irq = 1;
|
|
i8042_aux_irq = 12;
|
|
}
|
|
if (!kbd_iobase)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline void i8042_platform_exit(void)
|
|
{
|
|
|
|
}
|
|
|
|
#endif /* _I8042_SNIRM_H */
|