diff options
Diffstat (limited to 'arch/m68k/include/asm/q40_master.h')
-rw-r--r-- | arch/m68k/include/asm/q40_master.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/q40_master.h b/arch/m68k/include/asm/q40_master.h new file mode 100644 index 0000000000..9b00fb8079 --- /dev/null +++ b/arch/m68k/include/asm/q40_master.h @@ -0,0 +1,70 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Q40 master Chip Control + * RTC stuff merged for compactness. +*/ + +#ifndef _Q40_MASTER_H +#define _Q40_MASTER_H + +#include <asm/raw_io.h> +#include <asm/kmap.h> + +#define q40_master_addr 0xff000000 + +#define IIRQ_REG 0x0 /* internal IRQ reg */ +#define EIRQ_REG 0x4 /* external ... */ +#define KEYCODE_REG 0x1c /* value of received scancode */ +#define DISPLAY_CONTROL_REG 0x18 +#define FRAME_CLEAR_REG 0x24 +#define LED_REG 0x30 + +#define Q40_LED_ON() master_outb(1,LED_REG) +#define Q40_LED_OFF() master_outb(0,LED_REG) + +#define INTERRUPT_REG IIRQ_REG /* "native" ints */ +#define KEY_IRQ_ENABLE_REG 0x08 /**/ +#define KEYBOARD_UNLOCK_REG 0x20 /* clear kb int */ + +#define SAMPLE_ENABLE_REG 0x14 /* generate SAMPLE ints */ +#define SAMPLE_RATE_REG 0x2c +#define SAMPLE_CLEAR_REG 0x28 +#define SAMPLE_LOW 0x00 +#define SAMPLE_HIGH 0x01 + +#define FRAME_RATE_REG 0x38 /* generate FRAME ints at 200 HZ rate */ + +#if 0 +#define SER_ENABLE_REG 0x0c /* allow serial ints to be generated */ +#endif +#define EXT_ENABLE_REG 0x10 /* ... rest of the ISA ints ... */ + + +#define master_inb(_reg_) in_8((unsigned char *)q40_master_addr+_reg_) +#define master_outb(_b_,_reg_) out_8((unsigned char *)q40_master_addr+_reg_,_b_) + +/* RTC defines */ + +#define Q40_RTC_BASE (0xff021ffc) + +#define Q40_RTC_YEAR (*(volatile unsigned char *)(Q40_RTC_BASE+0)) +#define Q40_RTC_MNTH (*(volatile unsigned char *)(Q40_RTC_BASE-4)) +#define Q40_RTC_DATE (*(volatile unsigned char *)(Q40_RTC_BASE-8)) +#define Q40_RTC_DOW (*(volatile unsigned char *)(Q40_RTC_BASE-12)) +#define Q40_RTC_HOUR (*(volatile unsigned char *)(Q40_RTC_BASE-16)) +#define Q40_RTC_MINS (*(volatile unsigned char *)(Q40_RTC_BASE-20)) +#define Q40_RTC_SECS (*(volatile unsigned char *)(Q40_RTC_BASE-24)) +#define Q40_RTC_CTRL (*(volatile unsigned char *)(Q40_RTC_BASE-28)) + +/* some control bits */ +#define Q40_RTC_READ 64 /* prepare for reading */ +#define Q40_RTC_WRITE 128 + +/* define some Q40 specific ints */ +#include <asm/q40ints.h> + +/* misc defs */ +#define DAC_LEFT ((unsigned char *)0xff008000) +#define DAC_RIGHT ((unsigned char *)0xff008004) + +#endif /* _Q40_MASTER_H */ |