1/* SPDX-License-Identifier: GPL-2.0 */ 2/* apollohw.h : some structures to access apollo HW */ 3 4#ifndef _ASMm68k_APOLLOHW_H_ 5#define _ASMm68k_APOLLOHW_H_ 6 7#include <linux/types.h> 8 9#include <asm/bootinfo-apollo.h> 10 11 12extern u_long apollo_model; 13 14 15/* 16 see scn2681 data sheet for more info. 17 member names are read_write. 18*/ 19 20#define DECLARE_2681_FIELD(x) unsigned char x; unsigned char dummy##x 21 22struct SCN2681 { 23 24 DECLARE_2681_FIELD(mra); 25 DECLARE_2681_FIELD(sra_csra); 26 DECLARE_2681_FIELD(BRGtest_cra); 27 DECLARE_2681_FIELD(rhra_thra); 28 DECLARE_2681_FIELD(ipcr_acr); 29 DECLARE_2681_FIELD(isr_imr); 30 DECLARE_2681_FIELD(ctu_ctur); 31 DECLARE_2681_FIELD(ctl_ctlr); 32 DECLARE_2681_FIELD(mrb); 33 DECLARE_2681_FIELD(srb_csrb); 34 DECLARE_2681_FIELD(tst_crb); 35 DECLARE_2681_FIELD(rhrb_thrb); 36 DECLARE_2681_FIELD(reserved); 37 DECLARE_2681_FIELD(ip_opcr); 38 DECLARE_2681_FIELD(startCnt_setOutBit); 39 DECLARE_2681_FIELD(stopCnt_resetOutBit); 40 41}; 42 43struct mc146818 { 44 unsigned char second, alarm_second; 45 unsigned char minute, alarm_minute; 46 unsigned char hours, alarm_hours; 47 unsigned char day_of_week, day_of_month; 48 unsigned char month, year; 49}; 50 51 52#define IO_BASE 0x80000000 53 54extern u_long sio01_physaddr; 55extern u_long sio23_physaddr; 56extern u_long rtc_physaddr; 57extern u_long pica_physaddr; 58extern u_long picb_physaddr; 59extern u_long cpuctrl_physaddr; 60extern u_long timer_physaddr; 61 62#define SAU7_SIO01_PHYSADDR 0x10400 63#define SAU7_SIO23_PHYSADDR 0x10500 64#define SAU7_RTC_PHYSADDR 0x10900 65#define SAU7_PICA 0x11000 66#define SAU7_PICB 0x11100 67#define SAU7_CPUCTRL 0x10100 68#define SAU7_TIMER 0x010800 69 70#define SAU8_SIO01_PHYSADDR 0x8400 71#define SAU8_RTC_PHYSADDR 0x8900 72#define SAU8_PICA 0x9400 73#define SAU8_PICB 0x9500 74#define SAU8_CPUCTRL 0x8100 75#define SAU8_TIMER 0x8800 76 77#define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr))) 78#define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr))) 79#define rtc (((volatile struct mc146818 *)(IO_BASE + rtc_physaddr))) 80#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr)) 81#define pica (IO_BASE + pica_physaddr) 82#define picb (IO_BASE + picb_physaddr) 83#define apollo_timer (IO_BASE + timer_physaddr) 84#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000)) 85 86#define isaIO2mem(x) (((((x) & 0x3f8) << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE) 87 88#define IRQ_APOLLO IRQ_USER 89 90#endif 91