1 files changed, 25 insertions, 202 deletions

diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 2a8a847764d8..4f025b36934b 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -42,10 +42,13 @@
 #include <asm/vaddrs.h>
 #include <asm/oplib.h>
 #include <asm/prom.h>
-#include <asm/sbus.h>
 #include <asm/page.h>
 #include <asm/pgalloc.h>
 #include <asm/dma.h>
+#include <asm/iommu.h>
+#include <asm/io-unit.h>
+
+#include "dma.h"
 
 #define mmu_inval_dma_area(p, l)        /* Anton pulled it out for 2.4.0-xx */
 
@@ -139,15 +142,6 @@ void iounmap(volatile void __iomem *virtual)
         }
 }
 
-/*
- */
-void __iomem *sbus_ioremap(struct resource *phyres, unsigned long offset,
-    unsigned long size, char *name)
-{
-        return _sparc_alloc_io(phyres->flags & 0xF,
-            phyres->start + offset, size, name);
-}
-
 void __iomem *of_ioremap(struct resource *res, unsigned long offset,
                          unsigned long size, char *name)
 {
@@ -164,13 +158,6 @@ void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)
 EXPORT_SYMBOL(of_iounmap);
 
 /*
- */
-void sbus_iounmap(volatile void __iomem *addr, unsigned long size)
-{
-        iounmap(addr);
-}
-
-/*
  * Meat of mapping
  */
 static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
@@ -246,63 +233,19 @@ 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");
 }
 
-extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq);
-void __init sbus_fill_device_irq(struct sbus_dev *sdev)
-{
-        struct linux_prom_irqs irqs[PROMINTR_MAX];
-        int len;
-
-        len = prom_getproperty(sdev->prom_node, "intr",
-                               (char *)irqs, sizeof(irqs));
-        if (len != -1) {
-                sdev->num_irqs = len / 8;
-                if (sdev->num_irqs == 0) {
-                        sdev->irqs[0] = 0;
-                } else if (sparc_cpu_model == sun4d) {
-                        for (len = 0; len < sdev->num_irqs; len++)
-                                sdev->irqs[len] =
-                                        sun4d_build_irq(sdev, irqs[len].pri);
-                } else {
-                        for (len = 0; len < sdev->num_irqs; len++)
-                                sdev->irqs[len] = irqs[len].pri;
-                }
-        } else {
-                int interrupts[PROMINTR_MAX];
-
-                /* No "intr" node found-- check for "interrupts" node.
-                 * This node contains SBus interrupt levels, not IPLs
-                 * as in "intr", and no vector values.  We convert
-                 * SBus interrupt levels to PILs (platform specific).
-                 */
-                len = prom_getproperty(sdev->prom_node, "interrupts",
-                                       (char *)interrupts, sizeof(interrupts));
-                if (len == -1) {
-                        sdev->irqs[0] = 0;
-                        sdev->num_irqs = 0;
-                } else {
-                        sdev->num_irqs = len / sizeof(int);
-                        for (len = 0; len < sdev->num_irqs; len++) {
-                                sdev->irqs[len] =
-                                        sbint_to_irq(sdev, interrupts[len]);
-                        }
-                }
-        } 
-}
-
 /*
  * Allocate a chunk of memory suitable for DMA.
  * Typically devices use them for control blocks.
  * CPU may access them without any explicit flushing.
- *
- * XXX Some clever people know that sdev is not used and supply NULL. Watch.
  */
-void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp)
+void *sbus_alloc_consistent(struct device *dev, long len, u32 *dma_addrp)
 {
+        struct of_device *op = to_of_device(dev);
         unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK;
         unsigned long va;
         struct resource *res;
@@ -336,13 +279,10 @@ void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp)
          * XXX That's where sdev would be used. Currently we load
          * all iommu tables with the same translations.
          */
-        if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0)
+        if (mmu_map_dma_area(dev, dma_addrp, va, res->start, len_total) != 0)
                 goto err_noiommu;
 
-        /* Set the resource name, if known. */
-        if (sdev) {
-                res->name = sdev->prom_name;
-        }
+        res->name = op->node->name;
 
         return (void *)(unsigned long)res->start;
 
@@ -356,7 +296,7 @@ err_nopages:
         return NULL;
 }
 
-void sbus_free_consistent(struct sbus_dev *sdev, long n, void *p, u32 ba)
+void sbus_free_consistent(struct device *dev, long n, void *p, u32 ba)
 {
         struct resource *res;
         struct page *pgv;
@@ -383,8 +323,8 @@ void sbus_free_consistent(struct sbus_dev *sdev, long n, void *p, u32 ba)
         kfree(res);
 
         /* mmu_inval_dma_area(va, n); */ /* it's consistent, isn't it */
-        pgv = mmu_translate_dvma(ba);
-        mmu_unmap_dma_area(ba, n);
+        pgv = virt_to_page(p);
+        mmu_unmap_dma_area(dev, ba, n);
 
         __free_pages(pgv, get_order(n));
 }
@@ -394,7 +334,7 @@ void sbus_free_consistent(struct sbus_dev *sdev, long n, void *p, u32 ba)
  * CPU view of this memory may be inconsistent with
  * a device view and explicit flushing is necessary.
  */
-dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *va, size_t len, int direction)
+dma_addr_t sbus_map_single(struct device *dev, void *va, size_t len, int direction)
 {
         /* XXX why are some lengths signed, others unsigned? */
         if (len <= 0) {
@@ -404,17 +344,17 @@ dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *va, size_t len, int dire
         if (len > 256*1024) {                   /* __get_free_pages() limit */
                 return 0;
         }
-        return mmu_get_scsi_one(va, len, sdev->bus);
+        return mmu_get_scsi_one(dev, va, len);
 }
 
-void sbus_unmap_single(struct sbus_dev *sdev, dma_addr_t ba, size_t n, int direction)
+void sbus_unmap_single(struct device *dev, dma_addr_t ba, size_t n, int direction)
 {
-        mmu_release_scsi_one(ba, n, sdev->bus);
+        mmu_release_scsi_one(dev, ba, n);
 }
 
-int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
+int sbus_map_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
 {
-        mmu_get_scsi_sgl(sg, n, sdev->bus);
+        mmu_get_scsi_sgl(dev, sg, n);
 
         /*
          * XXX sparc64 can return a partial length here. sun4c should do this
@@ -423,145 +363,28 @@ int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direct
         return n;
 }
 
-void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
-{
-        mmu_release_scsi_sgl(sg, n, sdev->bus);
-}
-
-/*
- */
-void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, dma_addr_t ba, size_t size, int direction)
-{
-#if 0
-        unsigned long va;
-        struct resource *res;
-
-        /* We do not need the resource, just print a message if invalid. */
-        res = _sparc_find_resource(&_sparc_dvma, ba);
-        if (res == NULL)
-                panic("sbus_dma_sync_single: 0x%x\n", ba);
-
-        va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */
-        /*
-         * XXX This bogosity will be fixed with the iommu rewrite coming soon
-         * to a kernel near you. - Anton
-         */
-        /* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */
-#endif
-}
-
-void sbus_dma_sync_single_for_device(struct sbus_dev *sdev, dma_addr_t ba, size_t size, int direction)
+void sbus_unmap_sg(struct device *dev, struct scatterlist *sg, int n, int direction)
 {
-#if 0
-        unsigned long va;
-        struct resource *res;
-
-        /* We do not need the resource, just print a message if invalid. */
-        res = _sparc_find_resource(&_sparc_dvma, ba);
-        if (res == NULL)
-                panic("sbus_dma_sync_single: 0x%x\n", ba);
-
-        va = page_address(mmu_translate_dvma(ba)); /* XXX higmem */
-        /*
-         * XXX This bogosity will be fixed with the iommu rewrite coming soon
-         * to a kernel near you. - Anton
-         */
-        /* mmu_inval_dma_area(va, (size + PAGE_SIZE-1) & PAGE_MASK); */
-#endif
+        mmu_release_scsi_sgl(dev, sg, n);
 }
 
-void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
+void sbus_dma_sync_single_for_cpu(struct device *dev, dma_addr_t ba, size_t size, int direction)
 {
-        printk("sbus_dma_sync_sg_for_cpu: not implemented yet\n");
 }
 
-void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, struct scatterlist *sg, int n, int direction)
+void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t size, int direction)
 {
-        printk("sbus_dma_sync_sg_for_device: not implemented yet\n");
-}
-
-/* Support code for sbus_init().  */
-/*
- * XXX This functions appears to be a distorted version of
- * prom_sbus_ranges_init(), with all sun4d stuff cut away.
- * Ask DaveM what is going on here, how is sun4d supposed to work... XXX
- */
-/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */
-void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
-{
-        int parent_node = pn->node;
-
-        if (sparc_cpu_model == sun4d) {
-                struct linux_prom_ranges iounit_ranges[PROMREG_MAX];
-                int num_iounit_ranges, len;
-
-                len = prom_getproperty(parent_node, "ranges",
-                                       (char *) iounit_ranges,
-                                       sizeof (iounit_ranges));
-                if (len != -1) {
-                        num_iounit_ranges =
-                                (len / sizeof(struct linux_prom_ranges));
-                        prom_adjust_ranges(sbus->sbus_ranges,
-                                           sbus->num_sbus_ranges,
-                                           iounit_ranges, num_iounit_ranges);
-                }
-        }
 }
 
-void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
-{
-#ifndef CONFIG_SUN4
-        struct device_node *parent = dp->parent;
-
-        if (sparc_cpu_model != sun4d &&
-            parent != NULL &&
-            !strcmp(parent->name, "iommu")) {
-                extern void iommu_init(int iommu_node, struct sbus_bus *sbus);
-
-                iommu_init(parent->node, sbus);
-        }
-
-        if (sparc_cpu_model == sun4d) {
-                extern void iounit_init(int sbi_node, int iounit_node,
-                                        struct sbus_bus *sbus);
-
-                iounit_init(dp->node, parent->node, sbus);
-        }
-#endif
-}
-
-void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp)
-{
-        if (sparc_cpu_model == sun4d) {
-                struct device_node *parent = dp->parent;
-
-                sbus->devid = of_getintprop_default(parent, "device-id", 0);
-                sbus->board = of_getintprop_default(parent, "board#", 0);
-        }
-}
-
-int __init sbus_arch_preinit(void)
+static int __init sparc_register_ioport(void)
 {
         register_proc_sparc_ioport();
 
-#ifdef CONFIG_SUN4
-        {
-                extern void sun4_dvma_init(void);
-                sun4_dvma_init();
-        }
-        return 1;
-#else
         return 0;
-#endif
 }
 
-void __init sbus_arch_postinit(void)
-{
-        if (sparc_cpu_model == sun4d) {
-                extern void sun4d_init_sbi_irq(void);
-                sun4d_init_sbi_irq();
-        }
-}
+arch_initcall(sparc_register_ioport);
+
 #endif /* CONFIG_SBUS */
 
 #ifdef CONFIG_PCI