linux/arch/m68k/include/asm/apollohw.h
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   1/* apollohw.h : some structures to access apollo HW */
   2
   3#ifndef _ASMm68k_APOLLOHW_H_
   4#define _ASMm68k_APOLLOHW_H_
   5
   6#include <linux/types.h>
   7
   8#include <asm/bootinfo-apollo.h>
   9
  10
  11extern u_long apollo_model;
  12
  13
  14/*
  15   see scn2681 data sheet for more info.
  16   member names are read_write.
  17*/
  18
  19#define DECLARE_2681_FIELD(x) unsigned char x; unsigned char dummy##x
  20
  21struct SCN2681 {
  22
  23        DECLARE_2681_FIELD(mra);
  24        DECLARE_2681_FIELD(sra_csra);
  25        DECLARE_2681_FIELD(BRGtest_cra);
  26        DECLARE_2681_FIELD(rhra_thra);
  27        DECLARE_2681_FIELD(ipcr_acr);
  28        DECLARE_2681_FIELD(isr_imr);
  29        DECLARE_2681_FIELD(ctu_ctur);
  30        DECLARE_2681_FIELD(ctl_ctlr);
  31        DECLARE_2681_FIELD(mrb);
  32        DECLARE_2681_FIELD(srb_csrb);
  33        DECLARE_2681_FIELD(tst_crb);
  34        DECLARE_2681_FIELD(rhrb_thrb);
  35        DECLARE_2681_FIELD(reserved);
  36        DECLARE_2681_FIELD(ip_opcr);
  37        DECLARE_2681_FIELD(startCnt_setOutBit);
  38        DECLARE_2681_FIELD(stopCnt_resetOutBit);
  39
  40};
  41
  42struct mc146818 {
  43        unsigned char second, alarm_second;
  44        unsigned char minute, alarm_minute;
  45        unsigned char hours, alarm_hours;
  46        unsigned char day_of_week, day_of_month;
  47        unsigned char month, year;
  48};
  49
  50
  51#define IO_BASE 0x80000000
  52
  53extern u_long sio01_physaddr;
  54extern u_long sio23_physaddr;
  55extern u_long rtc_physaddr;
  56extern u_long pica_physaddr;
  57extern u_long picb_physaddr;
  58extern u_long cpuctrl_physaddr;
  59extern u_long timer_physaddr;
  60
  61#define SAU7_SIO01_PHYSADDR 0x10400
  62#define SAU7_SIO23_PHYSADDR 0x10500
  63#define SAU7_RTC_PHYSADDR 0x10900
  64#define SAU7_PICA 0x11000
  65#define SAU7_PICB 0x11100
  66#define SAU7_CPUCTRL 0x10100
  67#define SAU7_TIMER 0x010800
  68
  69#define SAU8_SIO01_PHYSADDR 0x8400
  70#define SAU8_RTC_PHYSADDR 0x8900
  71#define SAU8_PICA 0x9400
  72#define SAU8_PICB 0x9500
  73#define SAU8_CPUCTRL 0x8100
  74#define SAU8_TIMER 0x8800
  75
  76#define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr)))
  77#define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr)))
  78#define rtc (((volatile struct mc146818 *)(IO_BASE + rtc_physaddr)))
  79#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr))
  80#define pica (IO_BASE + pica_physaddr)
  81#define picb (IO_BASE + picb_physaddr)
  82#define apollo_timer (IO_BASE + timer_physaddr)
  83#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000))
  84
  85#define isaIO2mem(x) (((((x) & 0x3f8)  << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)
  86
  87#define IRQ_APOLLO      IRQ_USER
  88
  89#endif
  90