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authorMiles Bader <miles@gnu.org>2005-07-27 14:44:55 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-27 19:26:03 -0400
commit8b2bf06994b9cd6067e5c7620e270eec73fef70b (patch)
treecd3f29e3c32ff6d8b09eb3fc9d3813bf939cef8f /include
parent947ac8b9265e2a22552552d011db1e161f802a4a (diff)
[PATCH] v850: Update PCI support
These changes are untested (I no longer have the hardware). Signed-off-by: Miles Bader <miles@gnu.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-v850/pci.h37
1 files changed, 31 insertions, 6 deletions
diff --git a/include/asm-v850/pci.h b/include/asm-v850/pci.h
index 8e79be0fe99d..4581826e1cac 100644
--- a/include/asm-v850/pci.h
+++ b/include/asm-v850/pci.h
@@ -1,8 +1,8 @@
1/* 1/*
2 * include/asm-v850/pci.h -- PCI support 2 * include/asm-v850/pci.h -- PCI support
3 * 3 *
4 * Copyright (C) 2001,02 NEC Corporation 4 * Copyright (C) 2001,02,05 NEC Corporation
5 * Copyright (C) 2001,02 Miles Bader <miles@gnu.org> 5 * Copyright (C) 2001,02,05 Miles Bader <miles@gnu.org>
6 * 6 *
7 * This file is subject to the terms and conditions of the GNU General 7 * This file is subject to the terms and conditions of the GNU General
8 * Public License. See the file COPYING in the main directory of this 8 * Public License. See the file COPYING in the main directory of this
@@ -48,12 +48,12 @@ pci_unmap_single (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
48 perform a pci_dma_sync_for_device, and then the device again owns 48 perform a pci_dma_sync_for_device, and then the device again owns
49 the buffer. */ 49 the buffer. */
50extern void 50extern void
51pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, 51pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr,
52 int dir); 52 size_t size, int dir);
53 53
54extern void 54extern void
55pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, 55pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr,
56 int dir); 56 size_t size, int dir);
57 57
58 58
59/* Do multiple DMA mappings at once. */ 59/* Do multiple DMA mappings at once. */
@@ -65,6 +65,28 @@ extern void
65pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len, 65pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len,
66 int dir); 66 int dir);
67 67
68/* SG-list versions of pci_dma_sync functions. */
69extern void
70pci_dma_sync_sg_for_cpu (struct pci_dev *dev,
71 struct scatterlist *sg, int sg_len,
72 int dir);
73extern void
74pci_dma_sync_sg_for_device (struct pci_dev *dev,
75 struct scatterlist *sg, int sg_len,
76 int dir);
77
78#define pci_map_page(dev, page, offs, size, dir) \
79 pci_map_single(dev, (page_address(page) + (offs)), size, dir)
80#define pci_unmap_page(dev,addr,sz,dir) \
81 pci_unmap_single(dev, addr, sz, dir)
82
83/* Test for pci_map_single or pci_map_page having generated an error. */
84static inline int
85pci_dma_mapping_error (dma_addr_t dma_addr)
86{
87 return dma_addr == 0;
88}
89
68/* Allocate and map kernel buffer using consistent mode DMA for PCI 90/* Allocate and map kernel buffer using consistent mode DMA for PCI
69 device. Returns non-NULL cpu-view pointer to the buffer if 91 device. Returns non-NULL cpu-view pointer to the buffer if
70 successful and sets *DMA_ADDR to the pci side dma address as well, 92 successful and sets *DMA_ADDR to the pci side dma address as well,
@@ -91,6 +113,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
91} 113}
92#endif 114#endif
93 115
116extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
117extern void pci_iounmap (struct pci_dev *dev, void __iomem *addr);
118
94static inline void pcibios_add_platform_entries(struct pci_dev *dev) 119static inline void pcibios_add_platform_entries(struct pci_dev *dev)
95{ 120{
96} 121}