[src/trunk]: src/sys/arch/dreamcast Add an empty bus_space_mmap(9) function a...

[tsutsui <tsutsui%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2da04f61a5ab
branches:  trunk
changeset: 746911:2da04f61a5ab
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sun Aug 23 14:28:09 2009 +0000

description:
Add an empty bus_space_mmap(9) function as temporary workaround
for MI pci(4) mmap function in sys/dev/pci/pci_usrreq.c.

XXX: no bus_space_subregion(9) for g2bus.

diffstat:

 sys/arch/dreamcast/dev/g2/g2bus_bus_mem.c |  14 ++++++++++++--
 sys/arch/dreamcast/include/bus.h          |   5 ++++-
 2 files changed, 16 insertions(+), 3 deletions(-)

diffs (75 lines):

diff -r c237c72e18f6 -r 2da04f61a5ab sys/arch/dreamcast/dev/g2/g2bus_bus_mem.c
--- a/sys/arch/dreamcast/dev/g2/g2bus_bus_mem.c Sun Aug 23 13:46:48 2009 +0000
+++ b/sys/arch/dreamcast/dev/g2/g2bus_bus_mem.c Sun Aug 23 14:28:09 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: g2bus_bus_mem.c,v 1.14 2008/04/28 20:23:16 martin Exp $        */
+/*     $NetBSD: g2bus_bus_mem.c,v 1.15 2009/08/23 14:28:09 tsutsui Exp $       */
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: g2bus_bus_mem.c,v 1.14 2008/04/28 20:23:16 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: g2bus_bus_mem.c,v 1.15 2009/08/23 14:28:09 tsutsui Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -53,6 +53,7 @@
 int    g2bus_bus_mem_map(void *, bus_addr_t, bus_size_t, int,
            bus_space_handle_t *);
 void   g2bus_bus_mem_unmap(void *, bus_space_handle_t, bus_size_t);
+paddr_t        g2bus_bus_mem_mmap(void *, bus_addr_t, off_t, int, int);
 
 uint8_t g2bus_bus_mem_read_1(void *, bus_space_handle_t, bus_size_t);
 uint16_t g2bus_bus_mem_read_2(void *, bus_space_handle_t, bus_size_t);
@@ -114,6 +115,7 @@
 
        t->dbs_map = g2bus_bus_mem_map;
        t->dbs_unmap = g2bus_bus_mem_unmap;
+       t->dbs_mmap = g2bus_bus_mem_mmap;
 
        t->dbs_r_1 = g2bus_bus_mem_read_1;
        t->dbs_r_2 = g2bus_bus_mem_read_2;
@@ -153,6 +155,14 @@
        /* Nothing to do. */
 }
 
+paddr_t
+g2bus_bus_mem_mmap(void *v, bus_addr_t addr, off_t offset, int prot, int flags)
+{
+
+       /* XXX not implemented */
+       return -1;
+}
+
 /*
  * G2 bus cycles must not be interrupted by IRQs or G2 DMA.
  * The following paired macros will take the necessary precautions.
diff -r c237c72e18f6 -r 2da04f61a5ab sys/arch/dreamcast/include/bus.h
--- a/sys/arch/dreamcast/include/bus.h  Sun Aug 23 13:46:48 2009 +0000
+++ b/sys/arch/dreamcast/include/bus.h  Sun Aug 23 14:28:09 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: bus.h,v 1.14 2008/04/28 20:23:16 martin Exp $  */
+/*     $NetBSD: bus.h,v 1.15 2009/08/23 14:28:09 tsutsui Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998, 2000, 2001 The NetBSD Foundation, Inc.
@@ -121,6 +121,7 @@
                            bus_size_t);
        int             (*dbs_subregion)(void *, bus_space_handle_t,
                            bus_size_t, bus_size_t, bus_space_handle_t *);
+       paddr_t         (*dbs_mmap)(void *, bus_addr_t, off_t, int, int);
 
        /* allocation/deallocation */
        int             (*dbs_alloc)(void *, bus_addr_t, bus_addr_t,
@@ -270,6 +271,8 @@
        (*(t)->dbs_unmap)((t)->dbs_cookie, (h), (s))
 #define        bus_space_subregion(t, h, o, s, hp)                             \
        (*(t)->dbs_subregion)((t)->dbs_cookie, (h), (o), (s), (hp))
+#define        bus_space_mmap(t, a, o, p, f)                           \
+       (*(t)->dbs_mmap)((t)->dbs_cookie, (a), (o), (p), (f))
 
 #endif /* _KERNEL */