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add mmap

This commit is contained in:
matt 2013-08-12 21:20:02 +00:00
parent b313194f08
commit 04dfa604e5
1 changed files with 12 additions and 2 deletions
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14
sys/arch/arm/broadcom/bcmgen_space.c
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@ -1,4 +1,4 @@
/* $NetBSD: bcmgen_space.c,v 1.2 2013/01/09 17:45:13 matt Exp $ */
/* $NetBSD: bcmgen_space.c,v 1.3 2013/08/12 21:20:02 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bcmgen_space.c,v 1.2 2013/01/09 17:45:13 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: bcmgen_space.c,v 1.3 2013/08/12 21:20:02 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -254,6 +254,16 @@ bcmgen_bs_vaddr(void *t, bus_space_handle_t bsh)
return (void *)bsh;
}
paddr_t
bcmgen_bs_mmap(void *t, bus_addr_t bpa, off_t offset, int prot, int flags)
{
paddr_t bus_flags = 0;
if (flags & BUS_SPACE_MAP_PREFETCHABLE)
bus_flags |= ARM32_MMAP_WRITECOMBINE;
return (arm_btop(bpa + offset) | bus_flags);
}
int
bcmgen_bs_alloc(void *t, bus_addr_t rstart, bus_addr_t rend,