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>
#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
#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
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. */
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 *);
#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");
}
#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:
/* get the supported DVMA burst sizes */
bursts = prom_getintdefault(sbus_dev->bus->prom_node, "burst-sizes", 0x00);
- if (sbus_can_dma_64bit(sbus_dev))
- sbus_set_sbus64(sbus_dev, bursts);
+ if (sbus_can_dma_64bit())
+ sbus_set_sbus64(&sbus_dev->ofdev.dev, bursts);
fore200e->state = FORE200E_STATE_MAP;
return 0;
mp->myri_bursts = prom_getintdefault(mp->myri_sdev->bus->prom_node,
"burst-sizes", 0x00);
- if (!sbus_can_burst64(sdev))
+ if (!sbus_can_burst64())
mp->myri_bursts &= ~(DMA_BURST64);
DET(("MYRI bursts %02x\n", mp->myri_bursts));
if ((hp->happy_bursts & DMA_BURST64) &&
((hp->happy_flags & HFLAG_PCI) != 0
#ifdef CONFIG_SBUS
- || sbus_can_burst64(hp->happy_dev)
+ || sbus_can_burst64()
#endif
|| 0)) {
u32 gcfg = GREG_CFG_BURST64;
* do not. -DaveM
*/
#ifdef CONFIG_SBUS
- if ((hp->happy_flags & HFLAG_PCI) == 0 &&
- sbus_can_dma_64bit(hp->happy_dev)) {
- sbus_set_sbus64(hp->happy_dev,
- hp->happy_bursts);
- gcfg |= GREG_CFG_64BIT;
+ if ((hp->happy_flags & HFLAG_PCI) == 0) {
+ struct sbus_dev *sdev = hp->happy_dev;
+ if (sbus_can_dma_64bit()) {
+ sbus_set_sbus64(&sdev->ofdev.dev,
+ hp->happy_bursts);
+ gcfg |= GREG_CFG_64BIT;
+ }
}
#endif
{
u8 bsizes = qecp->qec_bursts;
- if (sbus_can_burst64(qsdev) && (bsizes & DMA_BURST64)) {
+ if (sbus_can_burst64() && (bsizes & DMA_BURST64)) {
sbus_writel(GLOB_CTRL_B64, qecp->gregs + GLOB_CTRL);
} else if (bsizes & DMA_BURST32) {
sbus_writel(GLOB_CTRL_B32, qecp->gregs + GLOB_CTRL);
* is a nop and the chip ends up using the smallest burst
* size. -DaveM
*/
- if (sbus_can_burst64(qpti->sdev) && (bursts & DMA_BURST64)) {
+ if (sbus_can_burst64() && (bursts & DMA_BURST64)) {
val = (SBUS_CFG1_BENAB | SBUS_CFG1_B64);
} else
#endif
{
int can_do_burst16, can_do_burst32, can_do_burst64;
int can_do_sbus64, lim;
+ struct sbus_dev *sdev;
u32 val;
can_do_burst16 = (esp->bursts & DMA_BURST16) != 0;
can_do_burst32 = (esp->bursts & DMA_BURST32) != 0;
can_do_burst64 = 0;
can_do_sbus64 = 0;
- if (sbus_can_dma_64bit(esp->dev))
+ sdev = esp->dev;
+ if (sbus_can_dma_64bit())
can_do_sbus64 = 1;
- if (sbus_can_burst64(esp->sdev))
+ if (sbus_can_burst64())
can_do_burst64 = (esp->bursts & DMA_BURST64) != 0;
/* Put the DVMA into a known state. */
if (can_do_sbus64) {
esp->prev_hme_dmacsr |= DMA_SCSI_SBUS64;
- sbus_set_sbus64(esp->dev, esp->bursts);
+ sbus_set_sbus64(&sdev->ofdev.dev, esp->bursts);
}
lim = 1000;