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sparc: Remove SBUS layer resource and irq handling.

Browse source 
All the drivers use OF device objects now for this
information.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-08-27 03:38:42 -07:00
parent 33c4655c00
commit 104364810f
5 changed files with 1 additions and 185 deletions
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15
arch/sparc/include/asm/sbus_32.h
View file

@ -51,17 +51,6 @@ struct sbus_dev {
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;
struct linux_prom_ranges device_ranges[PROMREG_MAX];
int num_device_ranges;
unsigned int irqs[4];
int num_irqs;
};
#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
@ -73,9 +62,6 @@ struct sbus_bus {
int prom_node; /* PROM device tree node for this SBus */
char prom_name[64]; /* Usually "sbus" or "sbi" */
int clock_freq;
struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
int num_sbus_ranges;
};
#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@ -103,7 +89,6 @@ sbus_is_slave(struct sbus_dev *dev)
void prom_adjust_ranges(struct linux_prom_ranges *, int,
struct linux_prom_ranges *, 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 int sbus_arch_preinit(void);
extern void sbus_arch_postinit(void);

16
arch/sparc/include/asm/sbus_64.h
View file

@ -51,17 +51,6 @@ struct sbus_dev {
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;
struct linux_prom_ranges device_ranges[PROMREG_MAX];
int num_device_ranges;
unsigned int irqs[4];
int num_irqs;
};
#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev)
@ -73,10 +62,6 @@ struct sbus_bus {
int prom_node; /* OBP node of SBUS */
char prom_name[64]; /* Usually "sbus" or "sbi" */
int clock_freq;
struct linux_prom_ranges sbus_ranges[PROMREG_MAX];
int num_sbus_ranges;
int portid;
};
#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev)
@ -94,7 +79,6 @@ extern struct sbus_bus *sbus_root;
for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \
for ((device) = (bus)->devices; (device); (device) = (device)->next)
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 int sbus_arch_preinit(void);
extern void sbus_arch_postinit(void);

27
arch/sparc/kernel/ioport.c
View file

@ -394,33 +394,6 @@ void sbus_dma_sync_single_for_device(struct device *dev, dma_addr_t ba, size_t s
}
/* 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

4
arch/sparc64/kernel/sbus.c
View file

@ -650,10 +650,6 @@ fatal_memory_error:
prom_printf("sbus_iommu_init: Fatal memory allocation error.\n");
}
void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus)
{
}
void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp)
{
sbus_iommu_init(dp->node, sbus);

124
drivers/sbus/sbus.c
View file

@ -51,38 +51,11 @@ static void __init fill_sbus_device_iommu(struct sbus_dev *sdev)
static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev)
{
struct dev_archdata *sd;
unsigned long base;
const void *pval;
int len, err;
int err;
sdev->prom_node = dp->node;
strcpy(sdev->prom_name, dp->name);
pval = of_get_property(dp, "reg", &len);
sdev->num_registers = 0;
if (pval) {
memcpy(sdev->reg_addrs, pval, len);
sdev->num_registers =
len / sizeof(struct linux_prom_registers);
base = (unsigned long) sdev->reg_addrs[0].phys_addr;
/* Compute the slot number. */
if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m)
sdev->slot = sbus_dev_slot(base);
else
sdev->slot = sdev->reg_addrs[0].which_io;
}
pval = of_get_property(dp, "ranges", &len);
sdev->num_device_ranges = 0;
if (pval) {
memcpy(sdev->device_ranges, pval, len);
sdev->num_device_ranges =
len / sizeof(struct linux_prom_ranges);
}
sd = &sdev->ofdev.dev.archdata;
sd->prom_node = dp;
sd->op = &sdev->ofdev;
@ -105,97 +78,6 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde
fill_sbus_device_iommu(sdev);
}
static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus)
{
const void *pval;
int len;
pval = of_get_property(dp, "ranges", &len);
sbus->num_sbus_ranges = 0;
if (pval) {
memcpy(sbus->sbus_ranges, pval, len);
sbus->num_sbus_ranges =
len / sizeof(struct linux_prom_ranges);
sbus_arch_bus_ranges_init(dp->parent, sbus);
}
}
static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges,
int num_ranges,
struct linux_prom_registers *regs,
int num_regs)
{
if (num_ranges) {
int regnum;
for (regnum = 0; regnum < num_regs; regnum++) {
int rngnum;
for (rngnum = 0; rngnum < num_ranges; rngnum++) {
if (regs[regnum].which_io == ranges[rngnum].ot_child_space)
break;
}
if (rngnum == num_ranges) {
/* We used to flag this as an error. Actually
* some devices do not report the regs as we expect.
* For example, see SUNW,pln device. In that case
* the reg property is in a format internal to that
* node, ie. it is not in the SBUS register space
* per se. -DaveM
*/
return;
}
regs[regnum].which_io = ranges[rngnum].ot_parent_space;
regs[regnum].phys_addr -= ranges[rngnum].ot_child_base;
regs[regnum].phys_addr += ranges[rngnum].ot_parent_base;
}
}
}
static void __init __fixup_regs_sdev(struct sbus_dev *sdev)
{
if (sdev->num_registers != 0) {
struct sbus_dev *parent = sdev->parent;
int i;
while (parent != NULL) {
__apply_ranges_to_regs(parent->device_ranges,
parent->num_device_ranges,
sdev->reg_addrs,
sdev->num_registers);
parent = parent->parent;
}
__apply_ranges_to_regs(sdev->bus->sbus_ranges,
sdev->bus->num_sbus_ranges,
sdev->reg_addrs,
sdev->num_registers);
for (i = 0; i < sdev->num_registers; i++) {
struct resource *res = &sdev->resource[i];
res->start = sdev->reg_addrs[i].phys_addr;
res->end = (res->start +
(unsigned long)sdev->reg_addrs[i].reg_size - 1UL);
res->flags = IORESOURCE_IO |
(sdev->reg_addrs[i].which_io & 0xff);
}
}
}
static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev)
{
struct sbus_dev *sdev;
for (sdev = first_sdev; sdev; sdev = sdev->next) {
if (sdev->child)
sbus_fixup_all_regs(sdev->child);
__fixup_regs_sdev(sdev);
}
}
/* We preserve the "probe order" of these bus and device lists to give
* the same ordering as the old code.
*/
@ -263,8 +145,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
strcpy(sbus->prom_name, dp->name);
sbus_bus_ranges_init(dp, sbus);
sbus->ofdev.node = dp;
sbus->ofdev.dev.parent = NULL;
sbus->ofdev.dev.bus = &sbus_bus_type;
@ -295,8 +175,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus)
}
dev_dp = dev_dp->sibling;
}
sbus_fixup_all_regs(sbus->devices);
}
static int __init sbus_init(void)