TononixOS/ubports_kernel_google_msm
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[SBUS]: Rewrite and plug into of_device framework.

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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>
This commit is contained in:
David S. Miller
2006-06-23 15:55:45 -07:00
committed by David S. Miller
parent fd53143116
commit 576c352e89
5 changed files with 301 additions and 335 deletions
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27
include/asm-sparc/sbus.h
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@@ -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) */