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authorDavid S. Miller <davem@davemloft.net>2008-08-26 23:33:42 -0700
committerDavid S. Miller <davem@davemloft.net>2008-08-29 02:13:31 -0700
commit63237eeb5ac92d618a0a6055f4b1f65c5d14682b (patch)
tree3d44dea70077557a7543951580447dbb71d00b05 /arch
parent738f2b7b813913e651f39387d007dd961755dee2 (diff)
sparc: Move SBUS DMA attribute interfaces out of asm/sbus.h
This is in preparation for the subsequent asm/sbus.h removal. Also, make these routines take a "struct device" or no arguments, as appropriate. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/include/asm/io_32.h11
-rw-r--r--arch/sparc/include/asm/io_64.h11
-rw-r--r--arch/sparc/include/asm/sbus_32.h4
-rw-r--r--arch/sparc/include/asm/sbus_64.h4
-rw-r--r--arch/sparc/kernel/ioport.c2
-rw-r--r--arch/sparc64/kernel/sbus.c16
6 files changed, 36 insertions, 12 deletions
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index 10d7da45007..3ab3164bd73 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -308,6 +308,17 @@ extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size);
#define RTC_PORT(x) (rtc_port + (x))
#define RTC_ALWAYS_BCD 0
+static inline int sbus_can_dma_64bit(void)
+{
+ return 0; /* actually, sparc_cpu_model==sun4d */
+}
+static inline int sbus_can_burst64(void)
+{
+ return 0; /* actually, sparc_cpu_model==sun4d */
+}
+struct device;
+extern void sbus_set_sbus64(struct device *, int);
+
#endif
#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 0bff078ffdd..73a9c5d4195 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -495,6 +495,17 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#define sbus_iounmap(__addr, __size) \
release_region((unsigned long)(__addr), (__size))
+static inline int sbus_can_dma_64bit(void)
+{
+ return 1;
+}
+static inline int sbus_can_burst64(void)
+{
+ return 1;
+}
+struct device;
+extern void sbus_set_sbus64(struct device *, int);
+
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
diff --git a/arch/sparc/include/asm/sbus_32.h b/arch/sparc/include/asm/sbus_32.h
index b09284b5ee0..435ae394d2b 100644
--- a/arch/sparc/include/asm/sbus_32.h
+++ b/arch/sparc/include/asm/sbus_32.h
@@ -102,10 +102,6 @@ sbus_is_slave(struct sbus_dev *dev)
for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
for ((device) = (bus)->devices; (device); (device) = (device)->next)
-/* Driver DVMA interfaces. */
-#define sbus_can_dma_64bit(sdev) (0) /* actually, sparc_cpu_model==sun4d */
-#define sbus_can_burst64(sdev) (0) /* actually, sparc_cpu_model==sun4d */
-extern void sbus_set_sbus64(struct sbus_dev *, int);
extern void sbus_fill_device_irq(struct sbus_dev *);
/* These yield IOMMU mappings in consistent mode. */
diff --git a/arch/sparc/include/asm/sbus_64.h b/arch/sparc/include/asm/sbus_64.h
index 9a2f27188f6..79719c2e5fa 100644
--- a/arch/sparc/include/asm/sbus_64.h
+++ b/arch/sparc/include/asm/sbus_64.h
@@ -94,10 +94,6 @@ extern struct sbus_bus *sbus_root;
for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
for ((device) = (bus)->devices; (device); (device) = (device)->next)
-/* Driver DVMA interfaces. */
-#define sbus_can_dma_64bit(sdev) (1)
-#define sbus_can_burst64(sdev) (1)
-extern void sbus_set_sbus64(struct sbus_dev *, int);
extern void sbus_fill_device_irq(struct sbus_dev *);
extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 0b3035978e0..e87ed519ffa 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -250,7 +250,7 @@ static void _sparc_free_io(struct resource *res)
#ifdef CONFIG_SBUS
-void sbus_set_sbus64(struct sbus_dev *sdev, int x)
+void sbus_set_sbus64(struct device *dev, int x)
{
printk("sbus_set_sbus64: unsupported\n");
}
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index e33a8a660e9..aa47022e13f 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -52,13 +52,23 @@
#define STRBUF_TAG_VALID 0x02UL
/* Enable 64-bit DVMA mode for the given device. */
-void sbus_set_sbus64(struct sbus_dev *sdev, int bursts)
+void sbus_set_sbus64(struct device *dev, int bursts)
{
- struct iommu *iommu = sdev->ofdev.dev.archdata.iommu;
- int slot = sdev->slot;
+ struct iommu *iommu = dev->archdata.iommu;
+ struct of_device *op = to_of_device(dev);
+ const struct linux_prom_registers *regs;
unsigned long cfg_reg;
+ int slot;
u64 val;
+ regs = of_get_property(op->node, "reg", NULL);
+ if (!regs) {
+ printk(KERN_ERR "sbus_set_sbus64: Cannot find regs for %s\n",
+ op->node->full_name);
+ return;
+ }
+ slot = regs->which_io;
+
cfg_reg = iommu->write_complete_reg;
switch (slot) {
case 0: