[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>
diff --git a/include/asm-v850/pci.h b/include/asm-v850/pci.h
index 8e79be0..4581826 100644
--- a/include/asm-v850/pci.h
+++ b/include/asm-v850/pci.h
@@ -1,8 +1,8 @@
/*
* include/asm-v850/pci.h -- PCI support
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,05 NEC Corporation
+ * Copyright (C) 2001,02,05 Miles Bader <miles@gnu.org>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file COPYING in the main directory of this
@@ -48,12 +48,12 @@
perform a pci_dma_sync_for_device, and then the device again owns
the buffer. */
extern void
-pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, size_t size,
- int dir);
+pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr,
+ size_t size, int dir);
extern void
-pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, size_t size,
- int dir);
+pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr,
+ size_t size, int dir);
/* Do multiple DMA mappings at once. */
@@ -65,6 +65,28 @@
pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len,
int dir);
+/* SG-list versions of pci_dma_sync functions. */
+extern void
+pci_dma_sync_sg_for_cpu (struct pci_dev *dev,
+ struct scatterlist *sg, int sg_len,
+ int dir);
+extern void
+pci_dma_sync_sg_for_device (struct pci_dev *dev,
+ struct scatterlist *sg, int sg_len,
+ int dir);
+
+#define pci_map_page(dev, page, offs, size, dir) \
+ pci_map_single(dev, (page_address(page) + (offs)), size, dir)
+#define pci_unmap_page(dev,addr,sz,dir) \
+ pci_unmap_single(dev, addr, sz, dir)
+
+/* Test for pci_map_single or pci_map_page having generated an error. */
+static inline int
+pci_dma_mapping_error (dma_addr_t dma_addr)
+{
+ return dma_addr == 0;
+}
+
/* Allocate and map kernel buffer using consistent mode DMA for PCI
device. Returns non-NULL cpu-view pointer to the buffer if
successful and sets *DMA_ADDR to the pci side dma address as well,
@@ -91,6 +113,9 @@
}
#endif
+extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
+extern void pci_iounmap (struct pci_dev *dev, void __iomem *addr);
+
static inline void pcibios_add_platform_entries(struct pci_dev *dev)
{
}