diff options
Diffstat (limited to 'arch/sh64/mm')
-rw-r--r-- | arch/sh64/mm/Makefile | 4 | ||||
-rw-r--r-- | arch/sh64/mm/consistent.c | 52 | ||||
-rw-r--r-- | arch/sh64/mm/init.c | 4 | ||||
-rw-r--r-- | arch/sh64/mm/ioremap.c | 7 |
4 files changed, 59 insertions, 8 deletions
diff --git a/arch/sh64/mm/Makefile b/arch/sh64/mm/Makefile index ff19378ac90a..d0e813632480 100644 --- a/arch/sh64/mm/Makefile +++ b/arch/sh64/mm/Makefile | |||
@@ -13,7 +13,8 @@ | |||
13 | # unless it's something special (ie not a .c file). | 13 | # unless it's something special (ie not a .c file). |
14 | # | 14 | # |
15 | 15 | ||
16 | obj-y := init.o fault.o ioremap.o extable.o cache.o tlbmiss.o tlb.o | 16 | obj-y := cache.o consistent.o extable.o fault.o init.o ioremap.o \ |
17 | tlbmiss.o tlb.o | ||
17 | 18 | ||
18 | obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o | 19 | obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o |
19 | 20 | ||
@@ -41,4 +42,3 @@ CFLAGS_tlbmiss.o += -ffixed-r7 \ | |||
41 | -ffixed-r41 -ffixed-r42 -ffixed-r43 \ | 42 | -ffixed-r41 -ffixed-r42 -ffixed-r43 \ |
42 | -ffixed-r60 -ffixed-r61 -ffixed-r62 \ | 43 | -ffixed-r60 -ffixed-r61 -ffixed-r62 \ |
43 | -fomit-frame-pointer | 44 | -fomit-frame-pointer |
44 | |||
diff --git a/arch/sh64/mm/consistent.c b/arch/sh64/mm/consistent.c new file mode 100644 index 000000000000..8875a2a40da7 --- /dev/null +++ b/arch/sh64/mm/consistent.c | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 David J. Mckay (david.mckay@st.com) | ||
3 | * Copyright (C) 2003 Paul Mundt (lethal@linux-sh.org) | ||
4 | * | ||
5 | * May be copied or modified under the terms of the GNU General Public | ||
6 | * License. See linux/COPYING for more information. | ||
7 | * | ||
8 | * Dynamic DMA mapping support. | ||
9 | */ | ||
10 | #include <linux/types.h> | ||
11 | #include <linux/mm.h> | ||
12 | #include <linux/string.h> | ||
13 | #include <linux/pci.h> | ||
14 | #include <linux/module.h> | ||
15 | #include <asm/io.h> | ||
16 | |||
17 | void *consistent_alloc(struct pci_dev *hwdev, size_t size, | ||
18 | dma_addr_t *dma_handle) | ||
19 | { | ||
20 | void *ret; | ||
21 | int gfp = GFP_ATOMIC; | ||
22 | void *vp; | ||
23 | |||
24 | if (hwdev == NULL || hwdev->dma_mask != 0xffffffff) | ||
25 | gfp |= GFP_DMA; | ||
26 | |||
27 | ret = (void *)__get_free_pages(gfp, get_order(size)); | ||
28 | |||
29 | /* now call our friend ioremap_nocache to give us an uncached area */ | ||
30 | vp = ioremap_nocache(virt_to_phys(ret), size); | ||
31 | |||
32 | if (vp != NULL) { | ||
33 | memset(vp, 0, size); | ||
34 | *dma_handle = virt_to_phys(ret); | ||
35 | dma_cache_wback_inv((unsigned long)ret, size); | ||
36 | } | ||
37 | |||
38 | return vp; | ||
39 | } | ||
40 | EXPORT_SYMBOL(consistent_alloc); | ||
41 | |||
42 | void consistent_free(struct pci_dev *hwdev, size_t size, | ||
43 | void *vaddr, dma_addr_t dma_handle) | ||
44 | { | ||
45 | void *alloc; | ||
46 | |||
47 | alloc = phys_to_virt((unsigned long)dma_handle); | ||
48 | free_pages((unsigned long)alloc, get_order(size)); | ||
49 | |||
50 | iounmap(vaddr); | ||
51 | } | ||
52 | EXPORT_SYMBOL(consistent_free); | ||
diff --git a/arch/sh64/mm/init.c b/arch/sh64/mm/init.c index 559717f30d1f..21cf42de23e2 100644 --- a/arch/sh64/mm/init.c +++ b/arch/sh64/mm/init.c | |||
@@ -22,10 +22,6 @@ | |||
22 | #include <asm/pgtable.h> | 22 | #include <asm/pgtable.h> |
23 | #include <asm/tlb.h> | 23 | #include <asm/tlb.h> |
24 | 24 | ||
25 | #ifdef CONFIG_BLK_DEV_INITRD | ||
26 | #include <linux/blk.h> | ||
27 | #endif | ||
28 | |||
29 | DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); | 25 | DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); |
30 | 26 | ||
31 | /* | 27 | /* |
diff --git a/arch/sh64/mm/ioremap.c b/arch/sh64/mm/ioremap.c index 990857756d44..535304e6601f 100644 --- a/arch/sh64/mm/ioremap.c +++ b/arch/sh64/mm/ioremap.c | |||
@@ -19,11 +19,12 @@ | |||
19 | #include <linux/sched.h> | 19 | #include <linux/sched.h> |
20 | #include <linux/string.h> | 20 | #include <linux/string.h> |
21 | #include <linux/io.h> | 21 | #include <linux/io.h> |
22 | #include <asm/pgalloc.h> | ||
23 | #include <asm/tlbflush.h> | ||
24 | #include <linux/ioport.h> | 22 | #include <linux/ioport.h> |
25 | #include <linux/bootmem.h> | 23 | #include <linux/bootmem.h> |
26 | #include <linux/proc_fs.h> | 24 | #include <linux/proc_fs.h> |
25 | #include <linux/module.h> | ||
26 | #include <asm/pgalloc.h> | ||
27 | #include <asm/tlbflush.h> | ||
27 | 28 | ||
28 | static void shmedia_mapioaddr(unsigned long, unsigned long); | 29 | static void shmedia_mapioaddr(unsigned long, unsigned long); |
29 | static unsigned long shmedia_ioremap(struct resource *, u32, int); | 30 | static unsigned long shmedia_ioremap(struct resource *, u32, int); |
@@ -80,6 +81,7 @@ void * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flag | |||
80 | } | 81 | } |
81 | return (void *) (offset + (char *)addr); | 82 | return (void *) (offset + (char *)addr); |
82 | } | 83 | } |
84 | EXPORT_SYMBOL(__ioremap); | ||
83 | 85 | ||
84 | void iounmap(void *addr) | 86 | void iounmap(void *addr) |
85 | { | 87 | { |
@@ -94,6 +96,7 @@ void iounmap(void *addr) | |||
94 | 96 | ||
95 | kfree(area); | 97 | kfree(area); |
96 | } | 98 | } |
99 | EXPORT_SYMBOL(iounmap); | ||
97 | 100 | ||
98 | static struct resource shmedia_iomap = { | 101 | static struct resource shmedia_iomap = { |
99 | .name = "shmedia_iomap", | 102 | .name = "shmedia_iomap", |