/*      $NetBSD: pmap.h,v 1.19 2026/04/30 05:46:13 thorpej Exp $        */

#ifndef _NEWS68K_PMAP_H_
#define _NEWS68K_PMAP_H_

#include <m68k/mmu_30.h>

/*
 * Transparent translation register values for:
 *
 * I/O space: 0xe0000000-0xffffffff
 * RAM to use PROM calls: 0xc0000000-0xdfffffff
 *
 * Both use Function Codes 4-7 (to get SUPERD and SUPERP).
 * XXX I/O space can probably just use SUPERD.
 */

#define NEWS68K_PROM_TT_BASE    0xc0000000
#define NEWS68K_PROM_TT_SIZE    0x20000000

#define NEWS68K_IO_TT_BASE      0xe0000000
#define NEWS68K_IO_TT_SIZE      0x20000000

#define NEWS68K_TT_IO           (NEWS68K_IO_TT_BASE |                   \
                                 __SHIFTIN(0x1f,TT30_LAM) |             \
                                 TT30_E | TT30_CI | TT30_RWM |          \
                                 __SHIFTIN(4,TT30_FCBASE) |             \
                                 __SHIFTIN(3,TT30_FCMASK))

#define NEWS68K_TT_PROM         (NEWS68K_PROM_TT_BASE |                 \
                                 __SHIFTIN(0x1f,TT30_LAM) |             \
                                 TT30_E | TT30_RWM |                    \
                                 __SHIFTIN(4,TT30_FCBASE) |             \
                                 __SHIFTIN(3,TT30_FCMASK))

#ifdef __HAVE_NEW_PMAP_68K
#include <m68k/pmap_68k.h>
#else
#define SYSMAP_VA       ((vaddr_t)(NEWS68K_PROM_TT_BASE-PAGE_SIZE*NPTEPG))
#include <m68k/pmap_motorola.h>
#endif /* __HAVE_NEW_PMAP_68K */

#endif /* _NEWS68K_PMAP_H_ */