sparc: Remove generic SBUS probing layer.
The individual SBUS IOMMU arch code now sets the IOMMU information
directly into the OF device objects.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/include/asm/io-unit.h b/arch/sparc/include/asm/io-unit.h
index 5df63ef..96823b4 100644
--- a/arch/sparc/include/asm/io-unit.h
+++ b/arch/sparc/include/asm/io-unit.h
@@ -59,6 +59,4 @@
#define iounit_map_dma_finish(sbus, addr, len) mmu_release_scsi_one(addr, len, sbus)
extern __u32 iounit_map_dma_page(__u32, void *, struct sbus_bus *);
-extern void iounit_init(struct sbus_bus *sbus);
-
#endif /* !(_SPARC_IO_UNIT_H) */
diff --git a/arch/sparc/include/asm/iommu_32.h b/arch/sparc/include/asm/iommu_32.h
index 6b115a1..70c589c 100644
--- a/arch/sparc/include/asm/iommu_32.h
+++ b/arch/sparc/include/asm/iommu_32.h
@@ -118,6 +118,4 @@
regs->pageflush = (ba & PAGE_MASK);
}
-extern void iommu_init(struct device_node *dp, struct sbus_bus *sbus);
-
#endif /* !(_SPARC_IOMMU_H) */
diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h
index e3dd930..71673ec 100644
--- a/arch/sparc/include/asm/irq_64.h
+++ b/arch/sparc/include/asm/irq_64.h
@@ -56,7 +56,6 @@
unsigned long imap_base,
unsigned long iclr_base);
extern void sun4u_destroy_msi(unsigned int virt_irq);
-extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
extern unsigned char virt_irq_alloc(unsigned int dev_handle,
unsigned int dev_ino);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 24645f9..bca2d6f 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -377,22 +377,6 @@
{
}
-/* Support code for sbus_init(). */
-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"))
- iommu_init(parent, sbus);
-
- if (sparc_cpu_model == sun4d)
- iounit_init(sbus);
-#endif
-}
-
static int __init sparc_register_ioport(void)
{
register_proc_sparc_ioport();
@@ -402,13 +386,6 @@
arch_initcall(sparc_register_ioport);
-void __init sbus_arch_postinit(void)
-{
- if (sparc_cpu_model == sun4d) {
- extern void sun4d_init_sbi_irq(void);
- sun4d_init_sbi_irq();
- }
-}
#endif /* CONFIG_SBUS */
#ifdef CONFIG_PCI
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 0f97ab3..caf551a 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -34,18 +34,10 @@
#define IOPERM (IOUPTE_CACHE | IOUPTE_WRITE | IOUPTE_VALID)
#define MKIOPTE(phys) __iopte((((phys)>>4) & IOUPTE_PAGE) | IOPERM)
-void __init iounit_init(struct sbus_bus *sbus)
+static void __init iounit_iommu_init(struct of_device *op)
{
- struct device_node *dp = sbus->ofdev.node;
struct iounit_struct *iounit;
iopte_t *xpt, *xptend;
- struct of_device *op;
-
- op = of_find_device_by_node(dp);
- if (!op) {
- prom_printf("SUN4D: Cannot find SBI of_device.\n");
- prom_halt();
- }
iounit = kzalloc(sizeof(struct iounit_struct), GFP_ATOMIC);
if (!iounit) {
@@ -66,7 +58,6 @@
prom_halt();
}
- sbus->ofdev.dev.archdata.iommu = iounit;
op->dev.archdata.iommu = iounit;
iounit->page_table = xpt;
spin_lock_init(&iounit->lock);
@@ -76,6 +67,25 @@
iopte_val(*xpt++) = 0;
}
+static int __init iounit_init(void)
+{
+ extern void sun4d_init_sbi_irq(void);
+ struct device_node *dp;
+
+ for_each_node_by_name(dp, "sbi") {
+ struct of_device *op = of_find_device_by_node(dp);
+
+ iounit_iommu_init(op);
+ of_propagate_archdata(op);
+ }
+
+ sun4d_init_sbi_irq();
+
+ return 0;
+}
+
+subsys_initcall(iounit_init);
+
/* One has to hold iounit->lock to call this */
static unsigned long iounit_get_area(struct iounit_struct *iounit, unsigned long vaddr, int size)
{
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 2970cea8..7c55450 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -55,33 +55,20 @@
#define IOPERM (IOPTE_CACHE | IOPTE_WRITE | IOPTE_VALID)
#define MKIOPTE(pfn, perm) (((((pfn)<<8) & IOPTE_PAGE) | (perm)) & ~IOPTE_WAZ)
-void __init iommu_init(struct device_node *parent, struct sbus_bus *sbus)
+static void __init sbus_iommu_init(struct of_device *op)
{
- struct of_device *parent_op, *op;
struct iommu_struct *iommu;
unsigned int impl, vers;
unsigned long *bitmap;
unsigned long tmp;
- parent_op = of_find_device_by_node(parent);
- if (!parent_op) {
- prom_printf("Unable to find IOMMU of_device\n");
- prom_halt();
- }
-
- op = of_find_device_by_node(sbus->ofdev.node);
- if (!op) {
- prom_printf("Unable to find SBUS of_device\n");
- prom_halt();
- }
-
iommu = kmalloc(sizeof(struct iommu_struct), GFP_ATOMIC);
if (!iommu) {
prom_printf("Unable to allocate iommu structure\n");
prom_halt();
}
- iommu->regs = of_ioremap(&parent_op->resource[0], 0, PAGE_SIZE * 3,
+ iommu->regs = of_ioremap(&op->resource[0], 0, PAGE_SIZE * 3,
"iommu_regs");
if (!iommu->regs) {
prom_printf("Cannot map IOMMU registers\n");
@@ -132,14 +119,29 @@
else
iommu->usemap.num_colors = 1;
- printk("IOMMU: impl %d vers %d table 0x%p[%d B] map [%d b]\n",
- impl, vers, iommu->page_table,
- (int)(IOMMU_NPTES*sizeof(iopte_t)), (int)IOMMU_NPTES);
+ printk(KERN_INFO "IOMMU: impl %d vers %d table 0x%p[%d B] map [%d b]\n",
+ impl, vers, iommu->page_table,
+ (int)(IOMMU_NPTES*sizeof(iopte_t)), (int)IOMMU_NPTES);
- sbus->ofdev.dev.archdata.iommu = iommu;
op->dev.archdata.iommu = iommu;
}
+static int __init iommu_init(void)
+{
+ struct device_node *dp;
+
+ for_each_node_by_name(dp, "iommu") {
+ struct of_device *op = of_find_device_by_node(dp);
+
+ sbus_iommu_init(op);
+ of_propagate_archdata(op);
+ }
+
+ return 0;
+}
+
+subsys_initcall(iommu_init);
+
/* This begs to be btfixup-ed by srmmu. */
/* Flush the iotlb entries to ram. */
/* This could be better if we didn't have to flush whole pages. */