mirror of
https://github.com/Fishwaldo/Star64_linux.git
synced 2025-06-29 18:11:20 +00:00
[SPARC]: Port sparc64 in-kernel device tree code to sparc32.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
a2bd4fd179
commit
942a6bdd1c
9 changed files with 668 additions and 91 deletions
|
|
@ -20,6 +20,7 @@
|
|||
#include <asm/ebus.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/oplib.h>
|
||||
#include <asm/prom.h>
|
||||
#include <asm/bpp.h>
|
||||
|
||||
struct linux_ebus *ebus_chain = NULL;
|
||||
|
|
@ -83,79 +84,81 @@ int __init ebus_blacklist_irq(char *name)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void __init fill_ebus_child(int node, struct linux_prom_registers *preg,
|
||||
struct linux_ebus_child *dev)
|
||||
void __init fill_ebus_child(struct device_node *dp,
|
||||
struct linux_ebus_child *dev)
|
||||
{
|
||||
int regs[PROMREG_MAX];
|
||||
int irqs[PROMREG_MAX];
|
||||
char lbuf[128];
|
||||
int *regs;
|
||||
int *irqs;
|
||||
int i, len;
|
||||
|
||||
dev->prom_node = node;
|
||||
prom_getstring(node, "name", lbuf, sizeof(lbuf));
|
||||
strcpy(dev->prom_name, lbuf);
|
||||
|
||||
len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
|
||||
if (len == -1) len = 0;
|
||||
dev->prom_node = dp;
|
||||
regs = of_get_property(dp, "reg", &len);
|
||||
if (!regs)
|
||||
len = 0;
|
||||
dev->num_addrs = len / sizeof(regs[0]);
|
||||
|
||||
for (i = 0; i < dev->num_addrs; i++) {
|
||||
if (regs[i] >= dev->parent->num_addrs) {
|
||||
prom_printf("UGH: property for %s was %d, need < %d\n",
|
||||
dev->prom_name, len, dev->parent->num_addrs);
|
||||
dev->prom_node->name, len,
|
||||
dev->parent->num_addrs);
|
||||
panic(__FUNCTION__);
|
||||
}
|
||||
dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */
|
||||
|
||||
/* XXX resource */
|
||||
dev->resource[i].start =
|
||||
dev->parent->resource[regs[i]].start;
|
||||
}
|
||||
|
||||
for (i = 0; i < PROMINTR_MAX; i++)
|
||||
dev->irqs[i] = PCI_IRQ_NONE;
|
||||
|
||||
if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
|
||||
if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
|
||||
dev->num_irqs = 1;
|
||||
} else if ((len = prom_getproperty(node, "interrupts",
|
||||
(char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
|
||||
dev->num_irqs = 0;
|
||||
dev->irqs[0] = 0;
|
||||
if (dev->parent->num_irqs != 0) {
|
||||
dev->num_irqs = 1;
|
||||
dev->irqs[0] = dev->parent->irqs[0];
|
||||
/* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
|
||||
}
|
||||
} else {
|
||||
dev->num_irqs = len / sizeof(irqs[0]);
|
||||
if (irqs[0] == 0 || irqs[0] >= 8) {
|
||||
/*
|
||||
* XXX Zero is a valid pin number...
|
||||
* This works as long as Ebus is not wired to INTA#.
|
||||
*/
|
||||
printk("EBUS: %s got bad irq %d from PROM\n",
|
||||
dev->prom_name, irqs[0]);
|
||||
irqs = of_get_property(dp, "interrupts", &len);
|
||||
if (!irqs) {
|
||||
dev->num_irqs = 0;
|
||||
dev->irqs[0] = 0;
|
||||
if (dev->parent->num_irqs != 0) {
|
||||
dev->num_irqs = 1;
|
||||
dev->irqs[0] = dev->parent->irqs[0];
|
||||
}
|
||||
} else {
|
||||
dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
|
||||
dev->num_irqs = len / sizeof(irqs[0]);
|
||||
if (irqs[0] == 0 || irqs[0] >= 8) {
|
||||
/*
|
||||
* XXX Zero is a valid pin number...
|
||||
* This works as long as Ebus is not wired
|
||||
* to INTA#.
|
||||
*/
|
||||
printk("EBUS: %s got bad irq %d from PROM\n",
|
||||
dev->prom_node->name, irqs[0]);
|
||||
dev->num_irqs = 0;
|
||||
dev->irqs[0] = 0;
|
||||
} else {
|
||||
dev->irqs[0] =
|
||||
pcic_pin_to_irq(irqs[0],
|
||||
dev->prom_node->name);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
|
||||
void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
|
||||
{
|
||||
struct linux_prom_registers regs[PROMREG_MAX];
|
||||
struct linux_prom_registers *regs;
|
||||
struct linux_ebus_child *child;
|
||||
int irqs[PROMINTR_MAX];
|
||||
char lbuf[128];
|
||||
int *irqs;
|
||||
int i, n, len;
|
||||
unsigned long baseaddr;
|
||||
|
||||
dev->prom_node = node;
|
||||
prom_getstring(node, "name", lbuf, sizeof(lbuf));
|
||||
strcpy(dev->prom_name, lbuf);
|
||||
dev->prom_node = dp;
|
||||
|
||||
len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs));
|
||||
regs = of_get_property(dp, "reg", &len);
|
||||
if (len % sizeof(struct linux_prom_registers)) {
|
||||
prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
|
||||
dev->prom_name, len,
|
||||
dev->prom_node->name, len,
|
||||
(int)sizeof(struct linux_prom_registers));
|
||||
panic(__FUNCTION__);
|
||||
}
|
||||
|
|
@ -197,7 +200,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
|
|||
if ((baseaddr = (unsigned long) ioremap(baseaddr,
|
||||
regs[i].reg_size)) == 0) {
|
||||
panic("ebus: unable to remap dev %s",
|
||||
dev->prom_name);
|
||||
dev->prom_node->name);
|
||||
}
|
||||
}
|
||||
dev->resource[i].start = baseaddr; /* XXX Unaligned */
|
||||
|
|
@ -206,29 +209,33 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
|
|||
for (i = 0; i < PROMINTR_MAX; i++)
|
||||
dev->irqs[i] = PCI_IRQ_NONE;
|
||||
|
||||
if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) {
|
||||
if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) {
|
||||
dev->num_irqs = 1;
|
||||
} else if ((len = prom_getproperty(node, "interrupts",
|
||||
(char *)&irqs, sizeof(irqs))) == -1 || len == 0) {
|
||||
dev->num_irqs = 0;
|
||||
if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
|
||||
dev->num_irqs = 1;
|
||||
/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
|
||||
}
|
||||
} else {
|
||||
dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */
|
||||
if (irqs[0] == 0 || irqs[0] >= 8) {
|
||||
/* See above for the parent. XXX */
|
||||
printk("EBUS: %s got bad irq %d from PROM\n",
|
||||
dev->prom_name, irqs[0]);
|
||||
irqs = of_get_property(dp, "interrupts", &len);
|
||||
if (!irqs) {
|
||||
dev->num_irqs = 0;
|
||||
dev->irqs[0] = 0;
|
||||
if ((dev->irqs[0] = dev->bus->self->irq) != 0) {
|
||||
dev->num_irqs = 1;
|
||||
/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */
|
||||
}
|
||||
} else {
|
||||
dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name);
|
||||
dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */
|
||||
if (irqs[0] == 0 || irqs[0] >= 8) {
|
||||
/* See above for the parent. XXX */
|
||||
printk("EBUS: %s got bad irq %d from PROM\n",
|
||||
dev->prom_node->name, irqs[0]);
|
||||
dev->num_irqs = 0;
|
||||
dev->irqs[0] = 0;
|
||||
} else {
|
||||
dev->irqs[0] =
|
||||
pcic_pin_to_irq(irqs[0],
|
||||
dev->prom_node->name);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if ((node = prom_getchild(node))) {
|
||||
if ((dp = dp->child) != NULL) {
|
||||
dev->children = (struct linux_ebus_child *)
|
||||
ebus_alloc(sizeof(struct linux_ebus_child));
|
||||
|
||||
|
|
@ -236,9 +243,9 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
|
|||
child->next = NULL;
|
||||
child->parent = dev;
|
||||
child->bus = dev->bus;
|
||||
fill_ebus_child(node, ®s[0], child);
|
||||
fill_ebus_child(dp, child);
|
||||
|
||||
while ((node = prom_getsibling(node)) != 0) {
|
||||
while ((dp = dp->sibling) != NULL) {
|
||||
child->next = (struct linux_ebus_child *)
|
||||
ebus_alloc(sizeof(struct linux_ebus_child));
|
||||
|
||||
|
|
@ -246,51 +253,49 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
|
|||
child->next = NULL;
|
||||
child->parent = dev;
|
||||
child->bus = dev->bus;
|
||||
fill_ebus_child(node, ®s[0], child);
|
||||
fill_ebus_child(dp, child);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void __init ebus_init(void)
|
||||
{
|
||||
struct linux_prom_pci_registers regs[PROMREG_MAX];
|
||||
struct linux_prom_pci_registers *regs;
|
||||
struct linux_pbm_info *pbm;
|
||||
struct linux_ebus_device *dev;
|
||||
struct linux_ebus *ebus;
|
||||
struct ebus_system_entry *sp;
|
||||
struct pci_dev *pdev;
|
||||
struct pcidev_cookie *cookie;
|
||||
char lbuf[128];
|
||||
struct device_node *dp;
|
||||
unsigned long addr, *base;
|
||||
unsigned short pci_command;
|
||||
int nd, len, ebusnd;
|
||||
int reg, nreg;
|
||||
int len, reg, nreg;
|
||||
int num_ebus = 0;
|
||||
|
||||
prom_getstring(prom_root_node, "name", lbuf, sizeof(lbuf));
|
||||
dp = of_find_node_by_path("/");
|
||||
for (sp = ebus_blacklist; sp->esname != NULL; sp++) {
|
||||
if (strcmp(lbuf, sp->esname) == 0) {
|
||||
if (strcmp(dp->name, sp->esname) == 0) {
|
||||
ebus_blackp = sp->ipt;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
|
||||
if (!pdev) {
|
||||
if (!pdev)
|
||||
return;
|
||||
}
|
||||
|
||||
cookie = pdev->sysdata;
|
||||
ebusnd = cookie->prom_node;
|
||||
dp = cookie->prom_node;
|
||||
|
||||
ebus_chain = ebus = (struct linux_ebus *)
|
||||
ebus_alloc(sizeof(struct linux_ebus));
|
||||
ebus->next = NULL;
|
||||
|
||||
while (ebusnd) {
|
||||
while (dp) {
|
||||
struct device_node *nd;
|
||||
|
||||
prom_getstring(ebusnd, "name", lbuf, sizeof(lbuf));
|
||||
ebus->prom_node = ebusnd;
|
||||
strcpy(ebus->prom_name, lbuf);
|
||||
ebus->prom_node = dp;
|
||||
ebus->self = pdev;
|
||||
ebus->parent = pbm = cookie->pbm;
|
||||
|
||||
|
|
@ -299,9 +304,8 @@ void __init ebus_init(void)
|
|||
pci_command |= PCI_COMMAND_MASTER;
|
||||
pci_write_config_word(pdev, PCI_COMMAND, pci_command);
|
||||
|
||||
len = prom_getproperty(ebusnd, "reg", (void *)regs,
|
||||
sizeof(regs));
|
||||
if (len == 0 || len == -1) {
|
||||
regs = of_get_property(dp, "reg", &len);
|
||||
if (!regs) {
|
||||
prom_printf("%s: can't find reg property\n",
|
||||
__FUNCTION__);
|
||||
prom_halt();
|
||||
|
|
@ -317,7 +321,7 @@ void __init ebus_init(void)
|
|||
*base++ = addr;
|
||||
}
|
||||
|
||||
nd = prom_getchild(ebusnd);
|
||||
nd = dp->child;
|
||||
if (!nd)
|
||||
goto next_ebus;
|
||||
|
||||
|
|
@ -330,7 +334,7 @@ void __init ebus_init(void)
|
|||
dev->bus = ebus;
|
||||
fill_ebus_device(nd, dev);
|
||||
|
||||
while ((nd = prom_getsibling(nd)) != 0) {
|
||||
while ((nd = nd->sibling) != NULL) {
|
||||
dev->next = (struct linux_ebus_device *)
|
||||
ebus_alloc(sizeof(struct linux_ebus_device));
|
||||
|
||||
|
|
@ -348,7 +352,7 @@ void __init ebus_init(void)
|
|||
break;
|
||||
|
||||
cookie = pdev->sysdata;
|
||||
ebusnd = cookie->prom_node;
|
||||
dp = cookie->prom_node;
|
||||
|
||||
ebus->next = (struct linux_ebus *)
|
||||
ebus_alloc(sizeof(struct linux_ebus));
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue