/*
* arch/v850/kernel/mb_a_pci.c -- PCI support for Midas lab RTE-MOTHER-A board
*
- * Copyright (C) 2001,02,03 NEC Electronics Corporation
- * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03,05 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03,05 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
* Written by Miles Bader <miles@gnu.org>
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
void
pcibios_align_resource (void *data, struct resource *res,
- unsigned long size, unsigned long align)
+ resource_size_t size, resource_size_t align)
{
}
static struct mb_sram_free_area *mb_sram_free_free_areas = 0;
/* Spinlock protecting the above globals. */
-static spinlock_t mb_sram_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(mb_sram_lock);
/* Allocate a memory block at least SIZE bytes long in the Mother-A SRAM
space. */
static void *alloc_mb_sram (size_t size)
{
struct mb_sram_free_area *prev, *fa;
- int flags;
+ unsigned long flags;
void *mem = 0;
spin_lock_irqsave (mb_sram_lock, flags);
static void free_mb_sram (void *mem, size_t size)
{
struct mb_sram_free_area *prev, *fa, *new_fa;
- int flags;
+ unsigned long flags;
void *end = mem + size;
spin_lock_irqsave (mb_sram_lock, flags);
static struct dma_mapping *free_dma_mappings = 0;
/* Spinlock protecting the above globals. */
-static spinlock_t dma_mappings_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(dma_mappings_lock);
static struct dma_mapping *new_dma_mapping (size_t size)
{
- int flags;
+ unsigned long flags;
struct dma_mapping *mapping;
void *mb_sram_block = alloc_mb_sram (size);
static struct dma_mapping *find_dma_mapping (void *mb_sram_addr)
{
- int flags;
+ unsigned long flags;
struct dma_mapping *mapping;
spin_lock_irqsave (dma_mappings_lock, flags);
static struct dma_mapping *deactivate_dma_mapping (void *mb_sram_addr)
{
- int flags;
+ unsigned long flags;
struct dma_mapping *mapping, *prev;
spin_lock_irqsave (dma_mappings_lock, flags);
static inline void
free_dma_mapping (struct dma_mapping *mapping)
{
- int flags;
+ unsigned long flags;
free_mb_sram (mapping->mb_sram_addr, mapping->size);
for a scatter-gather list, same rules and usage. */
void
-pci_dma_sync_sg_for_cpu (struct pci_dev *dev, struct scatterlist *sg, int sg_len,
- int dir)
+pci_dma_sync_sg_for_cpu (struct pci_dev *dev,
+ struct scatterlist *sg, int sg_len,
+ int dir)
{
BUG ();
}
void
-pci_dma_sync_sg_for_device (struct pci_dev *dev, struct scatterlist *sg, int sg_len,
- int dir)
+pci_dma_sync_sg_for_device (struct pci_dev *dev,
+ struct scatterlist *sg, int sg_len,
+ int dir)
{
BUG ();
}
free_mb_sram (mb_sram_mem, size);
}
+\f
+/* iomap/iomap */
+
+void __iomem *pci_iomap (struct pci_dev *dev, int bar, unsigned long max)
+{
+ unsigned long start = pci_resource_start (dev, bar);
+ unsigned long len = pci_resource_len (dev, bar);
+
+ if (!start || len == 0)
+ return 0;
+
+ /* None of the ioremap functions actually do anything, other than
+ re-casting their argument, so don't bother differentiating them. */
+ return ioremap (start, len);
+}
+
+void pci_iounmap (struct pci_dev *dev, void __iomem *addr)
+{
+ /* nothing */
+}
+
\f
/* symbol exports (for modules) */
EXPORT_SYMBOL (pci_free_consistent);
EXPORT_SYMBOL (pci_dma_sync_single_for_cpu);
EXPORT_SYMBOL (pci_dma_sync_single_for_device);
+EXPORT_SYMBOL (pci_iomap);
+EXPORT_SYMBOL (pci_iounmap);