Module Name:    src
Committed By:   skrll
Date:           Sat Jan 20 13:56:09 UTC 2018

Modified Files:
        src/sys/arch/cobalt/cobalt: bus.c interrupt.c machdep.c mainbus.c
        src/sys/arch/cobalt/conf: GENERIC files.cobalt
        src/sys/arch/cobalt/dev: com_mainbus.c gt.c
        src/sys/arch/cobalt/include: bus_defs.h bus_funcs.h
Added Files:
        src/sys/arch/cobalt/dev: gt_io_space.c gt_mem_space.c gtvar.h

Log Message:
Switch cobalt to common bus_space.

Tested on raq 2


To generate a diff of this commit:
cvs rdiff -u -r1.45 -r1.46 src/sys/arch/cobalt/cobalt/bus.c
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/cobalt/cobalt/interrupt.c
cvs rdiff -u -r1.120 -r1.121 src/sys/arch/cobalt/cobalt/machdep.c
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/cobalt/cobalt/mainbus.c
cvs rdiff -u -r1.154 -r1.155 src/sys/arch/cobalt/conf/GENERIC
cvs rdiff -u -r1.38 -r1.39 src/sys/arch/cobalt/conf/files.cobalt
cvs rdiff -u -r1.20 -r1.21 src/sys/arch/cobalt/dev/com_mainbus.c
cvs rdiff -u -r1.28 -r1.29 src/sys/arch/cobalt/dev/gt.c
cvs rdiff -u -r0 -r1.1 src/sys/arch/cobalt/dev/gt_io_space.c \
    src/sys/arch/cobalt/dev/gt_mem_space.c src/sys/arch/cobalt/dev/gtvar.h
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/cobalt/include/bus_defs.h \
    src/sys/arch/cobalt/include/bus_funcs.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/cobalt/cobalt/bus.c
diff -u src/sys/arch/cobalt/cobalt/bus.c:1.45 src/sys/arch/cobalt/cobalt/bus.c:1.46
--- src/sys/arch/cobalt/cobalt/bus.c:1.45	Tue Jul 29 21:21:43 2014
+++ src/sys/arch/cobalt/cobalt/bus.c	Sat Jan 20 13:56:08 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: bus.c,v 1.45 2014/07/29 21:21:43 skrll Exp $	*/
+/*	$NetBSD: bus.c,v 1.46 2018/01/20 13:56:08 skrll Exp $	*/
 
 /*
  * Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -30,370 +30,37 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus.c,v 1.45 2014/07/29 21:21:43 skrll Exp $");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/device.h>
-#include <sys/malloc.h>
-#include <sys/proc.h>
-#include <sys/mbuf.h>
-
-#include <dev/bus_dma/bus_dmamem_common.h>
-
-#include <uvm/uvm_extern.h>
-
-#include <mips/cache.h>
-
-/*
- * Utility macros; do not use outside this file.
- */
-#define	__PB_TYPENAME_PREFIX(BITS)	___CONCAT(uint,BITS)
-#define	__PB_TYPENAME(BITS)		___CONCAT(__PB_TYPENAME_PREFIX(BITS),_t)
-
-/*
- *	void bus_space_read_multi_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    uintN_t *addr, bus_size_t count);
- *
- * Read `count' 1, 2, 4, or 8 byte quantities from bus space
- * described by tag/handle/offset and copy into buffer provided.
- */
-
-#define __COBALT_bus_space_read_multi(BYTES,BITS)			\
-void __CONCAT(bus_space_read_multi_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	__PB_TYPENAME(BITS) *, bus_size_t);				\
-									\
-void									\
-__CONCAT(bus_space_read_multi_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	__PB_TYPENAME(BITS) *a,						\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--)							\
-		*a++ = __CONCAT(bus_space_read_,BYTES)(t, h, o);	\
-}
-
-__COBALT_bus_space_read_multi(1,8)
-__COBALT_bus_space_read_multi(2,16)
-__COBALT_bus_space_read_multi(4,32)
-
-#if 0	/* Cause a link error for bus_space_read_multi_8 */
-#define	bus_space_read_multi_8	!!! bus_space_read_multi_8 unimplemented !!!
-#endif
-
-#undef __COBALT_bus_space_read_multi
-
 /*
- *	void bus_space_read_region_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    uintN_t *addr, bus_size_t count);
- *
- * Read `count' 1, 2, 4, or 8 byte quantities from bus space
- * described by tag/handle and starting at `offset' and copy into
- * buffer provided.
- */
-
-#define __COBALT_bus_space_read_region(BYTES,BITS)			\
-void __CONCAT(bus_space_read_region_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	__PB_TYPENAME(BITS) *, bus_size_t);				\
-									\
-void									\
-__CONCAT(bus_space_read_region_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	__PB_TYPENAME(BITS) *a,						\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--) {							\
-		*a++ = __CONCAT(bus_space_read_,BYTES)(t, h, o);	\
-		o += BYTES;						\
-	}								\
-}
-
-__COBALT_bus_space_read_region(1,8)
-__COBALT_bus_space_read_region(2,16)
-__COBALT_bus_space_read_region(4,32)
-
-#if 0	/* Cause a link error for bus_space_read_region_8 */
-#define	bus_space_read_region_8	!!! bus_space_read_region_8 unimplemented !!!
-#endif
-
-#undef __COBALT_bus_space_read_region
-
-/*
- *	void bus_space_write_multi_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    const uintN_t *addr, bus_size_t count);
- *
- * Write `count' 1, 2, 4, or 8 byte quantities from the buffer
- * provided to bus space described by tag/handle/offset.
+ * Platform-specific I/O support for the cobalt machines
  */
 
-#define __COBALT_bus_space_write_multi(BYTES,BITS)			\
-void __CONCAT(bus_space_write_multi_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	const __PB_TYPENAME(BITS) *, bus_size_t);			\
-									\
-void									\
-__CONCAT(bus_space_write_multi_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	const __PB_TYPENAME(BITS) *a,					\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--)							\
-		__CONCAT(bus_space_write_,BYTES)(t, h, o, *a++);	\
-}
-
-__COBALT_bus_space_write_multi(1,8)
-__COBALT_bus_space_write_multi(2,16)
-__COBALT_bus_space_write_multi(4,32)
-
-#if 0	/* Cause a link error for bus_space_write_8 */
-#define	bus_space_write_multi_8(t, h, o, a, c)				\
-			!!! bus_space_write_multi_8 unimplimented !!!
-#endif
-
-#undef __COBALT_bus_space_write_multi
-
-/*
- *	void bus_space_write_region_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    const uintN_t *addr, bus_size_t count);
- *
- * Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
- * to bus space described by tag/handle starting at `offset'.
- */
-
-#define __COBALT_bus_space_write_region(BYTES,BITS)			\
-void __CONCAT(bus_space_write_region_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	const __PB_TYPENAME(BITS) *, bus_size_t);			\
-									\
-void									\
-__CONCAT(bus_space_write_region_,BYTES)(				\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	const __PB_TYPENAME(BITS) *a,					\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--) {							\
-		__CONCAT(bus_space_write_,BYTES)(t, h, o, *a++);	\
-		o += BYTES;						\
-	}								\
-}
-
-__COBALT_bus_space_write_region(1,8)
-__COBALT_bus_space_write_region(2,16)
-__COBALT_bus_space_write_region(4,32)
-
-#if 0	/* Cause a link error for bus_space_write_region_8 */
-#define	bus_space_write_region_8					\
-			!!! bus_space_write_region_8 unimplemented !!!
-#endif
-
-#undef __COBALT_bus_space_write_region
-
-/*
- *	void bus_space_set_multi_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset, uintN_t val,
- *	    bus_size_t count);
- *
- * Write the 1, 2, 4, or 8 byte value `val' to bus space described
- * by tag/handle/offset `count' times.
- */
-
-#define __COBALT_bus_space_set_multi(BYTES,BITS)			\
-void __CONCAT(bus_space_set_multi_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	__PB_TYPENAME(BITS), bus_size_t);				\
-									\
-void									\
-__CONCAT(bus_space_set_multi_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	__PB_TYPENAME(BITS) v,						\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--)							\
-		__CONCAT(bus_space_write_,BYTES)(t, h, o, v);		\
-}
-
-__COBALT_bus_space_set_multi(1,8)
-__COBALT_bus_space_set_multi(2,16)
-__COBALT_bus_space_set_multi(4,32)
-
-#if 0	/* Cause a link error for bus_space_set_multi_8 */
-#define	bus_space_set_multi_8						\
-			!!! bus_space_set_multi_8 unimplemented !!!
-#endif
-
-#undef __COBALT_bus_space_set_multi
-
-/*
- *	void bus_space_set_region_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset, uintN_t val,
- *	    bus_size_t count);
- *
- * Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
- * by tag/handle starting at `offset'.
- */
-
-#define __COBALT_bus_space_set_region(BYTES,BITS)			\
-void __CONCAT(bus_space_set_region_,BYTES)				\
-	(bus_space_tag_t, bus_space_handle_t, bus_size_t,		\
-	__PB_TYPENAME(BITS), bus_size_t);				\
-									\
-void									\
-__CONCAT(bus_space_set_region_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h,						\
-	bus_size_t o,							\
-	__PB_TYPENAME(BITS) v,						\
-	bus_size_t c)							\
-{									\
-									\
-	while (c--) {							\
-		__CONCAT(bus_space_write_,BYTES)(t, h, o, v);		\
-		o += BYTES;						\
-	}								\
-}
-
-__COBALT_bus_space_set_region(1,8)
-__COBALT_bus_space_set_region(2,16)
-__COBALT_bus_space_set_region(4,32)
-
-#if 0	/* Cause a link error for bus_space_set_region_8 */
-#define	bus_space_set_region_8						\
-			!!! bus_space_set_region_8 unimplemented !!!
-#endif
-
-#undef __COBALT_bus_space_set_region
-
-/*
- *	void bus_space_copy_region_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh1, bus_size_t off1,
- *	    bus_space_handle_t bsh2, bus_size_t off2,
- *	    bus_size_t count);
- *
- * Copy `count' 1, 2, 4, or 8 byte values from bus space starting
- * at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
- */
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: bus.c,v 1.46 2018/01/20 13:56:08 skrll Exp $");
 
-#define	__COBALT_copy_region(BYTES)					\
-void __CONCAT(bus_space_copy_region_,BYTES)				\
-	(bus_space_tag_t,						\
-	    bus_space_handle_t bsh1, bus_size_t off1,			\
-	    bus_space_handle_t bsh2, bus_size_t off2,			\
-	    bus_size_t count);						\
-									\
-void									\
-__CONCAT(bus_space_copy_region_,BYTES)(					\
-	bus_space_tag_t t,						\
-	bus_space_handle_t h1,						\
-	bus_size_t o1,							\
-	bus_space_handle_t h2,						\
-	bus_size_t o2,							\
-	bus_size_t c)							\
-{									\
-	bus_size_t o;							\
-									\
-	if ((h1 + o1) >= (h2 + o2)) {					\
-		/* src after dest: copy forward */			\
-		for (o = 0; c != 0; c--, o += BYTES)			\
-			__CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o,	\
-			    __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
-	} else {							\
-		/* dest after src: copy backwards */			\
-		for (o = (c - 1) * BYTES; c != 0; c--, o -= BYTES)	\
-			__CONCAT(bus_space_write_,BYTES)(t, h2, o2 + o,	\
-			    __CONCAT(bus_space_read_,BYTES)(t, h1, o1 + o)); \
-	}								\
-}
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/bus.h>
 
-__COBALT_copy_region(1)
-__COBALT_copy_region(2)
-__COBALT_copy_region(4)
+#define	CHIP			mainbus
+#define	CHIP_MEM		/* defined */
 
-#if 0	/* Cause a link error for bus_space_copy_region_8 */
-#define	bus_space_copy_region_8						\
-			!!! bus_space_copy_region_8 unimplemented !!!
+#if 0
+#define	CHIP_EX_MALLOC_SAFE(v)	(((struct p4032_config *)(v))->ac_mallocsafe)
+#define	CHIP_EXTENT(v)		(((struct p4032_config *)(v))->ac_io_ex)
 #endif
 
-#undef __COBALT_copy_region
-
-int
-bus_space_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, int flags,
-    bus_space_handle_t *bshp)
-{
-	int cacheable = flags & BUS_SPACE_MAP_CACHEABLE;
-
-	if (cacheable)
-		*bshp = MIPS_PHYS_TO_KSEG0(bpa);
-	else
-		*bshp = MIPS_PHYS_TO_KSEG1(bpa);
-
-	/* XXX Evil! */
-	if (bpa < 0x10000000)
-		*bshp += 0x10000000;
-
-	return 0;
-}
-
-int
-bus_space_alloc(bus_space_tag_t t, bus_addr_t rstart, bus_addr_t rend,
-    bus_size_t size, bus_size_t alignment, bus_size_t boundary, int flags,
-    bus_addr_t *bpap, bus_space_handle_t *bshp)
-{
-
-	panic("bus_space_alloc: not implemented");
-}
-
-void
-bus_space_free(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size)
-{
-
-	panic("bus_space_free: not implemented");
-}
-
-void
-bus_space_unmap(bus_space_tag_t t, bus_space_handle_t bsh, bus_size_t size)
-{
-
-	return;
-}
-
-int
-bus_space_subregion(bus_space_tag_t t, bus_space_handle_t bsh,
-    bus_size_t offset, bus_size_t size, bus_space_handle_t *nbshp)
-{
+/* IO region 1 */
+#define	CHIP_W1_BUS_START(v)	0x10000000UL
+#define	CHIP_W1_BUS_END(v)	0x10000fffUL
+#define	CHIP_W1_SYS_START(v)	0x10000000UL
+#define	CHIP_W1_SYS_END(v)	0x10000fffUL
 
-	*nbshp = bsh + offset;
-	return 0;
-}
+/* IO region 1 */
+#define	CHIP_W2_BUS_START(v)	0x14000000UL
+#define	CHIP_W2_BUS_END(v)	0x1fffffffUL
+#define	CHIP_W2_SYS_START(v)	0x14000000UL
+#define	CHIP_W2_SYS_END(v)	0x1fffffffUL
 
-paddr_t
-bus_space_mmap(bus_space_tag_t t, bus_addr_t addr, off_t off, int prot,
-    int flags)
-{
+void mainbus_bus_mem_init(bus_space_tag_t, void *);
 
-	/* XXX not implemented */
-	return -1;
-}
+#include <mips/mips/bus_space_alignstride_chipdep.c>

Index: src/sys/arch/cobalt/cobalt/interrupt.c
diff -u src/sys/arch/cobalt/cobalt/interrupt.c:1.7 src/sys/arch/cobalt/cobalt/interrupt.c:1.8
--- src/sys/arch/cobalt/cobalt/interrupt.c:1.7	Fri Jul  1 20:36:42 2011
+++ src/sys/arch/cobalt/cobalt/interrupt.c	Sat Jan 20 13:56:08 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: interrupt.c,v 1.7 2011/07/01 20:36:42 dyoung Exp $	*/
+/*	$NetBSD: interrupt.c,v 1.8 2018/01/20 13:56:08 skrll Exp $	*/
 
 /*-
  * Copyright (c) 2006 Izumi Tsutsui.  All rights reserved.
@@ -79,7 +79,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.7 2011/07/01 20:36:42 dyoung Exp $");
+__KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.8 2018/01/20 13:56:08 skrll Exp $");
 
 #define __INTR_PRIVATE
 
@@ -169,10 +169,12 @@ intr_init(void)
 		    EVCNT_TYPE_INTR, NULL, "mips", cpu_intrtab[i].intr_evname);
 	}
 
+	extern struct mips_bus_space cobalt_bs;
+
 	/*
 	 * Initialize ICU interrupts.
 	 */
-	icu_bst = 0;	/* XXX unused on cobalt */
+	icu_bst = &cobalt_bs;;
 	bus_space_map(icu_bst, PCIB_BASE + IO_ICU1, IO_ICUSIZE, 0, &icu1_bsh);
 	bus_space_map(icu_bst, PCIB_BASE + IO_ICU2, IO_ICUSIZE, 0, &icu2_bsh);
 	bus_space_map(icu_bst, PCIB_BASE + IO_ELCR, IO_ELCRSIZE, 0, &elcr_bsh);

Index: src/sys/arch/cobalt/cobalt/machdep.c
diff -u src/sys/arch/cobalt/cobalt/machdep.c:1.120 src/sys/arch/cobalt/cobalt/machdep.c:1.121
--- src/sys/arch/cobalt/cobalt/machdep.c:1.120	Mon Nov  6 03:47:46 2017
+++ src/sys/arch/cobalt/cobalt/machdep.c	Sat Jan 20 13:56:08 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: machdep.c,v 1.120 2017/11/06 03:47:46 christos Exp $	*/
+/*	$NetBSD: machdep.c,v 1.121 2018/01/20 13:56:08 skrll Exp $	*/
 
 /*-
  * Copyright (c) 2006 Izumi Tsutsui.  All rights reserved.
@@ -50,7 +50,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.120 2017/11/06 03:47:46 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.121 2018/01/20 13:56:08 skrll Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -59,15 +59,16 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 
 
 #include <sys/param.h>
 #include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/reboot.h>
-#include <sys/mount.h>
-#include <sys/kcore.h>
 #include <sys/boot_flag.h>
-#include <sys/ksyms.h>
+#include <sys/bus.h>
 #include <sys/cpu.h>
 #include <sys/device.h>
+#include <sys/kernel.h>
+#include <sys/kcore.h>
+#include <sys/ksyms.h>
+#include <sys/mount.h>
+#include <sys/proc.h>
+#include <sys/reboot.h>
 
 #include <uvm/uvm_extern.h>
 
@@ -105,6 +106,16 @@ char	*root_bstr = NULL;
 int	bootunit = -1;
 int	bootpart = -1;
 
+#if 0
+struct extent *cobalt_io_ex = NULL;
+struct extent *cobalt_mem_ex = NULL;
+struct mips_bus_space bonito_iot;
+struct mips_bus_space bonito_memt;
+struct mips_bus_dma_tag bonito_dmat;
+struct mips_pci_chipset bonito_pc;
+#endif
+
+
 int cpuspeed;
 
 u_int cobalt_id;
@@ -127,6 +138,10 @@ static u_int read_board_id(void);
 
 extern char *esym;
 
+struct mips_bus_space cobalt_bs;
+void mainbus_bus_mem_init(bus_space_tag_t, void *);
+
+
 /*
  * Do all the stuff that locore normally does before calling main().
  */
@@ -181,6 +196,8 @@ mach_init(int32_t memsize32, u_int bim, 
 	 */
 	mips_vector_init(NULL, false);
 
+	mainbus_bus_mem_init(&cobalt_bs, NULL);
+
 	/* Check for valid bootinfo passed from bootstrap */
 	if (bim == BOOTINFO_MAGIC) {
 		struct btinfo_magic *bi_magic;

Index: src/sys/arch/cobalt/cobalt/mainbus.c
diff -u src/sys/arch/cobalt/cobalt/mainbus.c:1.19 src/sys/arch/cobalt/cobalt/mainbus.c:1.20
--- src/sys/arch/cobalt/cobalt/mainbus.c:1.19	Tue Jul 29 21:21:43 2014
+++ src/sys/arch/cobalt/cobalt/mainbus.c	Sat Jan 20 13:56:08 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: mainbus.c,v 1.19 2014/07/29 21:21:43 skrll Exp $	*/
+/*	$NetBSD: mainbus.c,v 1.20 2018/01/20 13:56:08 skrll Exp $	*/
 
 /*
  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.19 2014/07/29 21:21:43 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mainbus.c,v 1.20 2018/01/20 13:56:08 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -47,6 +47,8 @@ int		mainbus_print(void *, const char *)
 CFATTACH_DECL_NEW(mainbus, 0,
     mainbus_match, mainbus_attach, NULL, NULL);
 
+extern struct mips_bus_space cobalt_bs;
+
 static int
 mainbus_match(device_t parent, cfdata_t cf, void *aux)
 {
@@ -71,7 +73,7 @@ mainbus_search(device_t parent, cfdata_t
 
 	do {
 		ma->ma_addr = cf->cf_loc[MAINBUSCF_ADDR];
-		ma->ma_iot = 0;
+		ma->ma_iot = &cobalt_bs;
 		ma->ma_level = cf->cf_loc[MAINBUSCF_LEVEL];
 		ma->ma_irq = cf->cf_loc[MAINBUSCF_IRQ];
 		if (config_match(parent, cf, ma) > 0)

Index: src/sys/arch/cobalt/conf/GENERIC
diff -u src/sys/arch/cobalt/conf/GENERIC:1.154 src/sys/arch/cobalt/conf/GENERIC:1.155
--- src/sys/arch/cobalt/conf/GENERIC:1.154	Thu Sep 14 07:58:39 2017
+++ src/sys/arch/cobalt/conf/GENERIC	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC,v 1.154 2017/09/14 07:58:39 mrg Exp $
+# $NetBSD: GENERIC,v 1.155 2018/01/20 13:56:09 skrll Exp $
 #
 # GENERIC machine description file
 #
@@ -22,7 +22,7 @@ include 	"arch/cobalt/conf/std.cobalt"
 
 options 	INCLUDE_CONFIG_FILE	# embed config file in kernel binary
 
-#ident 		"GENERIC-$Revision: 1.154 $"
+#ident 		"GENERIC-$Revision: 1.155 $"
 
 maxusers	32
 
@@ -43,7 +43,7 @@ options 	SYSCTL_INCLUDE_DESCR	# Include 
 
 # Debugging options
 options 	DIAGNOSTIC	# extra kernel sanity checking
-#options 	DEBUG		# extra kernel debugging support
+options 	DEBUG		# extra kernel debugging support
 options 	DDB		# kernel dynamic debugger
 #options 	DDB_HISTORY_SIZE=100 # enable history editing in DDB
 makeoptions	DEBUG="-g"	# compile full symbol table

Index: src/sys/arch/cobalt/conf/files.cobalt
diff -u src/sys/arch/cobalt/conf/files.cobalt:1.38 src/sys/arch/cobalt/conf/files.cobalt:1.39
--- src/sys/arch/cobalt/conf/files.cobalt:1.38	Tue Jul 29 21:21:44 2014
+++ src/sys/arch/cobalt/conf/files.cobalt	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-#	$NetBSD: files.cobalt,v 1.38 2014/07/29 21:21:44 skrll Exp $
+#	$NetBSD: files.cobalt,v 1.39 2018/01/20 13:56:09 skrll Exp $
 
 maxpartitions 16
 
@@ -38,6 +38,8 @@ file arch/cobalt/dev/panel.c		panel
 device gt: pcibus
 attach gt at mainbus
 file arch/cobalt/dev/gt.c		gt
+file arch/cobalt/dev/gt_io_space.c	gt
+file arch/cobalt/dev/gt_mem_space.c	gt
 
 file arch/cobalt/cobalt/autoconf.c
 file arch/cobalt/cobalt/bus.c

Index: src/sys/arch/cobalt/dev/com_mainbus.c
diff -u src/sys/arch/cobalt/dev/com_mainbus.c:1.20 src/sys/arch/cobalt/dev/com_mainbus.c:1.21
--- src/sys/arch/cobalt/dev/com_mainbus.c:1.20	Tue Jun  9 22:47:59 2015
+++ src/sys/arch/cobalt/dev/com_mainbus.c	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: com_mainbus.c,v 1.20 2015/06/09 22:47:59 matt Exp $	*/
+/*	$NetBSD: com_mainbus.c,v 1.21 2018/01/20 13:56:09 skrll Exp $	*/
 
 /*
  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.20 2015/06/09 22:47:59 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.21 2018/01/20 13:56:09 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -105,10 +105,12 @@ com_mainbus_cnprobe(struct consdev *cn)
 	    ? CN_NORMAL : CN_DEAD;
 }
 
+extern struct mips_bus_space cobalt_bs;
+
 void
 com_mainbus_cninit(struct consdev *cn)
 {
 
-	comcnattach(0, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL,
+	comcnattach(&cobalt_bs, COM_BASE, 115200, COM_MAINBUS_FREQ, COM_TYPE_NORMAL,
 	    CONMODE);
 }

Index: src/sys/arch/cobalt/dev/gt.c
diff -u src/sys/arch/cobalt/dev/gt.c:1.28 src/sys/arch/cobalt/dev/gt.c:1.29
--- src/sys/arch/cobalt/dev/gt.c:1.28	Fri Jan 27 18:52:52 2012
+++ src/sys/arch/cobalt/dev/gt.c	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: gt.c,v 1.28 2012/01/27 18:52:52 para Exp $	*/
+/*	$NetBSD: gt.c,v 1.29 2018/01/20 13:56:09 skrll Exp $	*/
 
 /*
  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gt.c,v 1.28 2012/01/27 18:52:52 para Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gt.c,v 1.29 2018/01/20 13:56:09 skrll Exp $");
 
 #include "opt_pci.h"
 #include "pci.h"
@@ -57,6 +57,7 @@ __KERNEL_RCSID(0, "$NetBSD: gt.c,v 1.28 
 #include <dev/pci/pciconf.h>
 #endif
 
+#include <cobalt/dev/gtvar.h>
 #include <cobalt/dev/gtreg.h>
 
 struct gt_softc {
@@ -77,6 +78,9 @@ static void	gt_timer0_init(void *);
 static long	gt_timer0_read(void *);
 #endif
 
+struct mips_bus_space gt_iot;
+struct mips_bus_space gt_memt;
+
 CFATTACH_DECL_NEW(gt, sizeof(struct gt_softc),
     gt_match, gt_attach, NULL, NULL);
 
@@ -119,6 +123,9 @@ gt_attach(device_t parent, device_t self
 	bus_space_write_4(sc->sc_bst, sc->sc_bsh, GT_PCI_TIMEOUT_RETRY,
 	    0x00 << PCI_RETRYCTR_SHIFT | 0xff << PCI_TIMEOUT1_SHIFT | 0xff);
 
+	gt_bus_mem_init(&gt_memt, NULL);
+	gt_bus_io_init(&gt_iot, NULL);
+
 #if NPCI > 0
 	pc = &sc->sc_pc;
 	pc->pc_bst = sc->sc_bst;
@@ -132,6 +139,9 @@ gt_attach(device_t parent, device_t self
 	pci_configure_bus(pc, pc->pc_ioext, pc->pc_memext, NULL, 0,
 	    mips_cache_info.mci_dcache_align);
 #endif
+	memset(&pba, 0, sizeof(pba));
+	pba.pba_memt = &gt_memt;
+	pba.pba_iot = &gt_iot;
 	pba.pba_dmat = &pci_bus_dma_tag;
 	pba.pba_dmat64 = NULL;
 	pba.pba_bus = 0;

Index: src/sys/arch/cobalt/include/bus_defs.h
diff -u src/sys/arch/cobalt/include/bus_defs.h:1.2 src/sys/arch/cobalt/include/bus_defs.h:1.3
--- src/sys/arch/cobalt/include/bus_defs.h:1.2	Tue Jul 29 21:21:44 2014
+++ src/sys/arch/cobalt/include/bus_defs.h	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: bus_defs.h,v 1.2 2014/07/29 21:21:44 skrll Exp $	*/
+/*	$NetBSD: bus_defs.h,v 1.3 2018/01/20 13:56:09 skrll Exp $	*/
 
 /*
  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
@@ -43,24 +43,8 @@ typedef psize_t bus_size_t;
 
 #include <mips/locore.h>
 
-/*
- * Access methods for bus resources and address space.
- */
-typedef int	bus_space_tag_t;
-typedef u_long	bus_space_handle_t;
-
-#define	BUS_SPACE_MAP_CACHEABLE		0x01
-#define	BUS_SPACE_MAP_LINEAR		0x02
-#define BUS_SPACE_MAP_PREFETCHABLE	0x04
-
-#define __BUS_SPACE_HAS_STREAM_METHODS
-
-#define	BUS_SPACE_BARRIER_READ	0x01		/* force read barrier */
-#define	BUS_SPACE_BARRIER_WRITE	0x02		/* force write barrier */
-
-#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
-
 #define _MIPS_NEED_BUS_DMA_BOUNCE
+#include <mips/bus_space_defs.h>
 #include <mips/bus_dma_defs.h>
 
 #endif /* _COBALT_BUS_DEFS_H_ */
Index: src/sys/arch/cobalt/include/bus_funcs.h
diff -u src/sys/arch/cobalt/include/bus_funcs.h:1.2 src/sys/arch/cobalt/include/bus_funcs.h:1.3
--- src/sys/arch/cobalt/include/bus_funcs.h:1.2	Tue Jul 29 21:21:44 2014
+++ src/sys/arch/cobalt/include/bus_funcs.h	Sat Jan 20 13:56:09 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: bus_funcs.h,v 1.2 2014/07/29 21:21:44 skrll Exp $	*/
+/*	$NetBSD: bus_funcs.h,v 1.3 2018/01/20 13:56:09 skrll Exp $	*/
 
 /*
  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
@@ -33,140 +33,7 @@
 #ifndef _COBALT_BUS_FUNCS_H_
 #define _COBALT_BUS_FUNCS_H_
 
-/*
- *	uintN_t bus_space_read_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset);
- *
- * Read a 1, 2, 4, or 8 byte quantity from bus space
- * described by tag/handle/offset.
- */
-
-#define	bus_space_read_1(t, h, o)					\
-     ((void) t, (*(volatile uint8_t *)((h) + (o))))
-
-#define	bus_space_read_2(t, h, o)					\
-     ((void) t, (*(volatile uint16_t *)((h) + (o))))
-
-#define	bus_space_read_4(t, h, o)					\
-     ((void) t, (*(volatile uint32_t *)((h) + (o))))
-
-#if 0	/* Cause a link error for bus_space_read_8 */
-#define	bus_space_read_8(t, h, o)	!!! bus_space_read_8 unimplemented !!!
-#endif
-
-/*
- *	void bus_space_write_N(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    uintN_t value);
- *
- * Write the 1, 2, 4, or 8 byte value `value' to bus space
- * described by tag/handle/offset.
- */
-
-#define	bus_space_write_1(t, h, o, v)					\
-do {									\
-	(void) t;							\
-	*(volatile uint8_t *)((h) + (o)) = (v);			\
-} while (0)
-
-#define	bus_space_write_2(t, h, o, v)					\
-do {									\
-	(void) t;							\
-	*(volatile uint16_t *)((h) + (o)) = (v);			\
-} while (0)
-
-#define	bus_space_write_4(t, h, o, v)					\
-do {									\
-	(void) t;							\
-	*(volatile uint32_t *)((h) + (o)) = (v);			\
-} while (0)
-
-#if 0	/* Cause a link error for bus_space_write_8 */
-#define	bus_space_write_8	!!! bus_space_write_8 not implemented !!!
-#endif
-
-/*
- * Operations which handle byte stream data on word access.
- *
- * These functions are defined to resolve endian mismatch, by either
- * - When normal (i.e. stream-less) operations perform byte swap
- *   to resolve endian mismatch, these functions bypass the byte swap.
- * or
- * - When bus bridge performs automatic byte swap, these functions
- *   perform byte swap once more, to cancel the bridge's behavior.
- *
- * Currently these are just same as normal operations, since all
- * supported buses are same endian with CPU (i.e. little-endian).
- *
- */
-#define bus_space_read_stream_2(tag, bsh, offset)			\
-	bus_space_read_2(tag, bsh, offset)
-#define bus_space_read_stream_4(tag, bsh, offset)			\
-	bus_space_read_4(tag, bsh, offset)
-#define bus_space_read_stream_8(tag, bsh, offset)			\
-	bus_space_read_8(tag, bsh, offset)
-#define bus_space_read_multi_stream_2(tag, bsh, offset, datap, count)	\
-	bus_space_read_multi_2(tag, bsh, offset, datap, count)
-#define bus_space_read_multi_stream_4(tag, bsh, offset, datap, count)	\
-	bus_space_read_multi_4(tag, bsh, offset, datap, count)
-#define bus_space_read_multi_stream_8(tag, bsh, offset, datap, count)	\
-	bus_space_read_multi_8(tag, bsh, offset, datap, count)
-#define bus_space_read_region_stream_2(tag, bsh, offset, datap, count)	\
-	bus_space_read_region_2(tag, bsh, offset, datap, count)
-#define bus_space_read_region_stream_4(tag, bsh, offset, datap, count)	\
-	bus_space_read_region_4(tag, bsh, offset, datap, count)
-#define bus_space_read_region_stream_8(tag, bsh, offset, datap, count)	\
-	bus_space_read_region_8(tag, bsh, offset, datap, count)
-#define bus_space_write_stream_2(tag, bsh, offset, data)		\
-	bus_space_write_2(tag, bsh, offset, data)
-#define bus_space_write_stream_4(tag, bsh, offset, data)		\
-	bus_space_write_4(tag, bsh, offset, data)
-#define bus_space_write_stream_8(tag, bsh, offset, data)		\
-	bus_space_write_8(tag, bsh, offset, data)
-#define bus_space_write_multi_stream_2(tag, bsh, offset, datap, count)	\
-	bus_space_write_multi_2(tag, bsh, offset, datap, count)
-#define bus_space_write_multi_stream_4(tag, bsh, offset, datap, count)	\
-	bus_space_write_multi_4(tag, bsh, offset, datap, count)
-#define bus_space_write_multi_stream_8(tag, bsh, offset, datap, count)	\
-	bus_space_write_multi_8(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_2(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_2(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_4(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_4(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_8(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_8(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_2(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_2(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_4(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_4(tag, bsh, offset, datap, count)
-#define bus_space_write_region_stream_8(tag, bsh, offset, datap, count)	\
-	bus_space_write_region_8(tag, bsh, offset, datap, count)
-#define bus_space_set_multi_stream_2(tag, bsh, offset, data, count)	\
-	bus_space_set_multi_2(tag, bsh, offset, data, count)
-#define bus_space_set_multi_stream_4(tag, bsh, offset, data, count)	\
-	bus_space_set_multi_4(tag, bsh, offset, data, count)
-#define bus_space_set_multi_stream_8(tag, bsh, offset, data, count)	\
-	bus_space_set_multi_8(tag, bsh, offset, data, count)
-#define bus_space_set_region_stream_2(tag, bsh, offset, data, count)	\
-	bus_space_set_region_2(tag, bsh, offset, data, count)
-#define bus_space_set_region_stream_4(tag, bsh, offset, data, count)	\
-	bus_space_set_region_4(tag, bsh, offset, data, count)
-#define bus_space_set_region_stream_8(tag, bsh, offset, data, count)	\
-	bus_space_set_region_8(tag, bsh, offset, data, count)
-
-/*
- * Bus read/write barrier methods.
- *
- *	void bus_space_barrier(bus_space_tag_t tag,
- *	    bus_space_handle_t bsh, bus_size_t offset,
- *	    bus_size_t len, int flags);
- *
- * On the MIPS, we just flush the write buffer.
- */
-#define	bus_space_barrier(t, h, o, l, f)	\
-	((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f),	\
-	 wbflush()))
-
+#include <mips/bus_space_funcs.h>
 #include <mips/bus_dma_funcs.h> 
 
 #endif /* _COBALT_BUS_FUNCS_H_ */

Added files:

Index: src/sys/arch/cobalt/dev/gt_io_space.c
diff -u /dev/null src/sys/arch/cobalt/dev/gt_io_space.c:1.1
--- /dev/null	Sat Jan 20 13:56:09 2018
+++ src/sys/arch/cobalt/dev/gt_io_space.c	Sat Jan 20 13:56:09 2018
@@ -0,0 +1,57 @@
+/*	$NetBSD: gt_io_space.c,v 1.1 2018/01/20 13:56:09 skrll Exp $	*/
+
+/*
+ * Copyright (c) 2016 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Little Endian bus_space(9) support for PCI IO access
+ * on cobalt machines
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: gt_io_space.c,v 1.1 2018/01/20 13:56:09 skrll Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/bus.h>
+
+#include <cobalt/dev/gtvar.h>
+
+#define	CHIP			gt
+#define	CHIP_IO			/* defined */
+
+/* IO region 1 */
+#define	CHIP_W1_BUS_START(v)	0x00000000UL
+#define	CHIP_W1_BUS_END(v)	0x02000000UL
+#define	CHIP_W1_SYS_START(v)	0x10000000UL
+#define	CHIP_W1_SYS_END(v)	0x12000000UL
+
+void mainbus_bus_mem_init(bus_space_tag_t, void *);
+
+#include <mips/mips/bus_space_alignstride_chipdep.c>
Index: src/sys/arch/cobalt/dev/gt_mem_space.c
diff -u /dev/null src/sys/arch/cobalt/dev/gt_mem_space.c:1.1
--- /dev/null	Sat Jan 20 13:56:09 2018
+++ src/sys/arch/cobalt/dev/gt_mem_space.c	Sat Jan 20 13:56:09 2018
@@ -0,0 +1,55 @@
+/*	$NetBSD: gt_mem_space.c,v 1.1 2018/01/20 13:56:09 skrll Exp $	*/
+
+/*
+ * Copyright (c) 2016 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Nick Hudson.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Little Endian bus_space(9) support for PCI MEM access
+ * on cobalt machines
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: gt_mem_space.c,v 1.1 2018/01/20 13:56:09 skrll Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/bus.h>
+
+#include <cobalt/dev/gtvar.h>
+
+#define	CHIP			gt
+#define	CHIP_MEM		/* defined */
+
+/* IO region 1 */
+#define	CHIP_W1_BUS_START(v)	0x12000000UL
+#define	CHIP_W1_BUS_END(v)	0x14000000UL
+#define CHIP_W1_SYS_START(v)	0x12000000UL
+#define CHIP_W1_SYS_END(v)	0x14000000UL
+
+#include <mips/mips/bus_space_alignstride_chipdep.c>
Index: src/sys/arch/cobalt/dev/gtvar.h
diff -u /dev/null src/sys/arch/cobalt/dev/gtvar.h:1.1
--- /dev/null	Sat Jan 20 13:56:09 2018
+++ src/sys/arch/cobalt/dev/gtvar.h	Sat Jan 20 13:56:09 2018
@@ -0,0 +1,14 @@
+/*	$NetBSD: gtvar.h,v 1.1 2018/01/20 13:56:09 skrll Exp $ */
+
+#ifndef _GTVAR_H_
+#define	_GTVAR_H_
+
+#include <machine/bus_defs.h>
+
+extern struct mips_bus_space gt_iot;
+extern struct mips_bus_space gt_memt;
+
+void    gt_bus_io_init(bus_space_tag_t, void *);
+void    gt_bus_mem_init(bus_space_tag_t, void *);
+
+#endif /* _GTVAR_H_ */

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