arch/m68k/include/asm/apollohw.h

   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
  12 extern 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
  22 struct 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
  43 struct 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
  54 extern u_long sio01_physaddr;
  55 extern u_long sio23_physaddr;
  56 extern u_long rtc_physaddr;
  57 extern u_long pica_physaddr;
  58 extern u_long picb_physaddr;
  59 extern u_long cpuctrl_physaddr;
  60 extern 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