[SBUS]: Rewrite and plug into of_device framework.

I severely apologize, I was still learning how to program
in C when I wrote this stuff 10 years ago...

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 39 insertions, 16 deletions

diff --git a/include/asm-sparc/sbus.h b/include/asm-sparc/sbus.h
index 76654fa23091..d036e4419d79 100644
--- a/include/asm-sparc/sbus.h
+++ b/include/asm-sparc/sbus.h
@@ -11,7 +11,8 @@
 #include <linux/ioport.h>
 
 #include <asm/oplib.h>
-/* #include <asm/iommu.h> */ /* Unused since we use opaque iommu (|io-unit) */
+#include <asm/prom.h>
+#include <asm/of_device.h>
 #include <asm/scatterlist.h>
 
 /* We scan which devices are on the SBus using the PROM node device
@@ -42,18 +43,19 @@ struct sbus_bus;
 
 /* Linux SBUS device tables */
 struct sbus_dev {
-        struct sbus_bus *bus;       /* Back ptr to sbus */
-        struct sbus_dev *next;      /* next device on this SBus or null */
-        struct sbus_dev *child;     /* For ledma and espdma on sun4m */
-        struct sbus_dev *parent;    /* Parent device if not toplevel */
-        int prom_node;              /* PROM device tree node for this device */
-        char prom_name[64];         /* PROM device name */
+        struct of_device        ofdev;
+        struct sbus_bus         *bus;
+        struct sbus_dev         *next;
+        struct sbus_dev         *child;
+        struct sbus_dev         *parent;
+        int prom_node;  
+        char prom_name[64];
         int slot;
 
         struct resource resource[PROMREG_MAX];
 
         struct linux_prom_registers reg_addrs[PROMREG_MAX];
-        int num_registers, ranges_applied;
+        int num_registers;
 
         struct linux_prom_ranges device_ranges[PROMREG_MAX];
         int num_device_ranges;
@@ -61,9 +63,11 @@ struct sbus_dev {
         unsigned int irqs[4];
         int num_irqs;
 };
+#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
 
 /* This struct describes the SBus(s) found on this machine. */
 struct sbus_bus {
+        struct of_device        ofdev;
         void                    *iommu;         /* Opaque IOMMU cookie */
         struct sbus_dev         *devices;       /* Link to devices on this SBus */
         struct sbus_bus         *next;          /* next SBus, if more than one SBus */
@@ -77,6 +81,7 @@ struct sbus_bus {
         int devid;
         int board;
 };
+#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
 
 extern struct sbus_bus *sbus_root;
 
@@ -140,4 +145,10 @@ extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *,
 BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int)
 #define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint)
 
+extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
+extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
+extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);
+extern int sbus_arch_preinit(void);
+extern void sbus_arch_postinit(void);
+
 #endif /* !(_SPARC_SBUS_H) */
diff --git a/include/asm-sparc64/sbus.h b/include/asm-sparc64/sbus.h
index ca2054da2430..56ee985e4605 100644
--- a/include/asm-sparc64/sbus.h
+++ b/include/asm-sparc64/sbus.h
@@ -11,6 +11,8 @@
 #include <linux/ioport.h>
 
 #include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
 #include <asm/iommu.h>
 #include <asm/scatterlist.h>
 
@@ -42,18 +44,19 @@ struct sbus_bus;
 
 /* Linux SBUS device tables */
 struct sbus_dev {
-        struct sbus_bus *bus;   /* Our toplevel parent SBUS     */
-        struct sbus_dev *next;  /* Chain of siblings            */
-        struct sbus_dev *child; /* Chain of children            */
-        struct sbus_dev *parent;/* Parent device if not toplevel*/
-        int prom_node;          /* OBP node of this device      */
-        char prom_name[64];     /* OBP device name property     */
-        int slot;               /* SBUS slot number             */
+        struct of_device        ofdev;
+        struct sbus_bus         *bus;
+        struct sbus_dev         *next;
+        struct sbus_dev         *child;
+        struct sbus_dev         *parent;
+        int prom_node;  
+        char prom_name[64];
+        int slot;
 
         struct resource resource[PROMREG_MAX];
 
         struct linux_prom_registers reg_addrs[PROMREG_MAX];
-        int num_registers, ranges_applied;
+        int num_registers;
 
         struct linux_prom_ranges device_ranges[PROMREG_MAX];
         int num_device_ranges;
@@ -61,9 +64,11 @@ struct sbus_dev {
         unsigned int irqs[4];
         int num_irqs;
 };
+#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
 
 /* This struct describes the SBus(s) found on this machine. */
 struct sbus_bus {
+        struct of_device        ofdev;
         void                    *iommu;         /* Opaque IOMMU cookie  */
         struct sbus_dev         *devices;       /* Tree of SBUS devices */
         struct sbus_bus         *next;          /* Next SBUS in system  */
@@ -77,6 +82,7 @@ struct sbus_bus {
         int portid;
         void *starfire_cookie;
 };
+#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
 
 extern struct sbus_bus *sbus_root;
 
@@ -120,4 +126,10 @@ extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, in
 #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu
 extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int);
 
+extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
+extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
+extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);
+extern int sbus_arch_preinit(void);
+extern void sbus_arch_postinit(void);
+
 #endif /* !(_SPARC64_SBUS_H) */