/* Debug utility */
#ifdef DEBUG
-static void of_dump_addr(const char *s, u32 *addr, int na)
+static void of_dump_addr(const char *s, const u32 *addr, int na)
{
printk("%s", s);
while(na--)
printk("\n");
}
#else
-static void of_dump_addr(const char *s, u32 *addr, int na) { }
+static void of_dump_addr(const char *s, const u32 *addr, int na) { }
#endif
int (*match)(struct device_node *parent);
void (*count_cells)(struct device_node *child,
int *addrc, int *sizec);
- u64 (*map)(u32 *addr, u32 *range, int na, int ns, int pna);
+ u64 (*map)(u32 *addr, const u32 *range,
+ int na, int ns, int pna);
int (*translate)(u32 *addr, u64 offset, int na);
- unsigned int (*get_flags)(u32 *addr);
+ unsigned int (*get_flags)(const u32 *addr);
};
*sizec = prom_n_size_cells(dev);
}
-static u64 of_bus_default_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static u64 of_bus_default_map(u32 *addr, const u32 *range,
+ int na, int ns, int pna)
{
u64 cp, s, da;
return 0;
}
-static unsigned int of_bus_default_get_flags(u32 *addr)
+static unsigned int of_bus_default_get_flags(const u32 *addr)
{
return IORESOURCE_MEM;
}
*sizec = 2;
}
-static u64 of_bus_pci_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
{
u64 cp, s, da;
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-static unsigned int of_bus_pci_get_flags(u32 *addr)
+static unsigned int of_bus_pci_get_flags(const u32 *addr)
{
unsigned int flags = 0;
u32 w = addr[0];
*sizec = 1;
}
-static u64 of_bus_isa_map(u32 *addr, u32 *range, int na, int ns, int pna)
+static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
{
u64 cp, s, da;
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-static unsigned int of_bus_isa_get_flags(u32 *addr)
+static unsigned int of_bus_isa_get_flags(const u32 *addr)
{
unsigned int flags = 0;
u32 w = addr[0];
struct of_bus *pbus, u32 *addr,
int na, int ns, int pna)
{
- u32 *ranges;
+ const u32 *ranges;
unsigned int rlen;
int rone;
u64 offset = OF_BAD_ADDR;
* to translate addresses that aren't supposed to be translated in
* the first place. --BenH.
*/
- ranges = (u32 *)get_property(parent, "ranges", &rlen);
+ ranges = get_property(parent, "ranges", &rlen);
if (ranges == NULL || rlen == 0) {
offset = of_read_number(addr, na);
memset(addr, 0, pna * 4);
* that can be mapped to a cpu physical address). This is not really specified
* that way, but this is traditionally the way IBM at least do things
*/
-u64 of_translate_address(struct device_node *dev, u32 *in_addr)
+u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
{
struct device_node *parent = NULL;
struct of_bus *bus, *pbus;
}
EXPORT_SYMBOL(of_translate_address);
-u32 *of_get_address(struct device_node *dev, int index, u64 *size,
+const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
unsigned int *flags)
{
- u32 *prop;
+ const u32 *prop;
unsigned int psize;
struct device_node *parent;
struct of_bus *bus;
return NULL;
/* Get "reg" or "assigned-addresses" property */
- prop = (u32 *)get_property(dev, bus->addresses, &psize);
+ prop = get_property(dev, bus->addresses, &psize);
if (prop == NULL)
return NULL;
psize /= 4;
}
EXPORT_SYMBOL(of_get_address);
-u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
+const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
unsigned int *flags)
{
- u32 *prop;
+ const u32 *prop;
unsigned int psize;
struct device_node *parent;
struct of_bus *bus;
return NULL;
/* Get "reg" or "assigned-addresses" property */
- prop = (u32 *)get_property(dev, bus->addresses, &psize);
+ prop = get_property(dev, bus->addresses, &psize);
if (prop == NULL)
return NULL;
psize /= 4;
}
EXPORT_SYMBOL(of_get_pci_address);
-static int __of_address_to_resource(struct device_node *dev, u32 *addrp,
+static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
u64 size, unsigned int flags,
struct resource *r)
{
int of_address_to_resource(struct device_node *dev, int index,
struct resource *r)
{
- u32 *addrp;
+ const u32 *addrp;
u64 size;
unsigned int flags;
int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r)
{
- u32 *addrp;
+ const u32 *addrp;
u64 size;
unsigned int flags;
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
-void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
+void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
unsigned long *busno, unsigned long *phys, unsigned long *size)
{
- u32 *dma_window, cells;
- unsigned char *prop;
+ const u32 *dma_window;
+ u32 cells;
+ const unsigned char *prop;
- dma_window = (u32 *)dma_window_prop;
+ dma_window = dma_window_prop;
/* busno is always one cell */
*busno = *(dma_window++);
static struct device_node *of_irq_find_parent(struct device_node *child)
{
struct device_node *p;
- phandle *parp;
+ const phandle *parp;
if (!of_node_get(child))
return NULL;
do {
- parp = (phandle *)get_property(child, "interrupt-parent", NULL);
+ parp = get_property(child, "interrupt-parent", NULL);
if (parp == NULL)
p = of_get_parent(child);
else {
return p;
}
-static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
-{
- return (((pin - 1) + slot) % 4) + 1;
-}
-
/* This doesn't need to be called if you don't have any special workaround
* flags to pass
*/
}
-int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
- struct of_irq *out_irq)
+int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
+ const u32 *addr, struct of_irq *out_irq)
{
struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
- u32 *tmp, *imap, *imask;
+ const u32 *tmp, *imap, *imask;
u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
int imaplen, match, i;
+ DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
+ parent->full_name, intspec[0], intspec[1], ointsize);
+
ipar = of_node_get(parent);
/* First get the #interrupt-cells property of the current cursor
* is none, we are nice and just walk up the tree
*/
do {
- tmp = (u32 *)get_property(ipar, "#interrupt-cells", NULL);
+ tmp = get_property(ipar, "#interrupt-cells", NULL);
if (tmp != NULL) {
intsize = *tmp;
break;
DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
+ if (ointsize != intsize)
+ return -EINVAL;
+
/* Look for this #address-cells. We have to implement the old linux
* trick of looking for the parent here as some device-trees rely on it
*/
old = of_node_get(ipar);
do {
- tmp = (u32 *)get_property(old, "#address-cells", NULL);
+ tmp = get_property(old, "#address-cells", NULL);
tnode = of_get_parent(old);
of_node_put(old);
old = tnode;
}
/* Now look for an interrupt-map */
- imap = (u32 *)get_property(ipar, "interrupt-map", &imaplen);
+ imap = get_property(ipar, "interrupt-map", &imaplen);
/* No interrupt map, check for an interrupt parent */
if (imap == NULL) {
DBG(" -> no map, getting parent\n");
imaplen /= sizeof(u32);
/* Look for a mask */
- imask = (u32 *)get_property(ipar, "interrupt-map-mask", NULL);
+ imask = get_property(ipar, "interrupt-map-mask", NULL);
/* If we were passed no "reg" property and we attempt to parse
* an interrupt-map, then #address-cells must be 0.
/* Get #interrupt-cells and #address-cells of new
* parent
*/
- tmp = (u32 *)get_property(newpar, "#interrupt-cells",
+ tmp = get_property(newpar, "#interrupt-cells",
NULL);
if (tmp == NULL) {
DBG(" -> parent lacks #interrupt-cells !\n");
goto fail;
}
newintsize = *tmp;
- tmp = (u32 *)get_property(newpar, "#address-cells",
+ tmp = get_property(newpar, "#address-cells",
NULL);
newaddrsize = (tmp == NULL) ? 0 : *tmp;
static int of_irq_map_oldworld(struct device_node *device, int index,
struct of_irq *out_irq)
{
- u32 *ints;
+ const u32 *ints;
int intlen;
/*
* Old machines just have a list of interrupt numbers
* and no interrupt-controller nodes.
*/
- ints = (u32 *) get_property(device, "AAPL,interrupts", &intlen);
+ ints = get_property(device, "AAPL,interrupts", &intlen);
if (ints == NULL)
return -EINVAL;
intlen /= sizeof(u32);
int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq)
{
struct device_node *p;
- u32 *intspec, *tmp, intsize, intlen, *addr;
+ const u32 *intspec, *tmp, *addr;
+ u32 intsize, intlen;
int res;
DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
return of_irq_map_oldworld(device, index, out_irq);
/* Get the interrupts property */
- intspec = (u32 *)get_property(device, "interrupts", &intlen);
+ intspec = get_property(device, "interrupts", &intlen);
if (intspec == NULL)
return -EINVAL;
intlen /= sizeof(u32);
/* Get the reg property (if any) */
- addr = (u32 *)get_property(device, "reg", NULL);
+ addr = get_property(device, "reg", NULL);
/* Look for the interrupt parent. */
p = of_irq_find_parent(device);
return -EINVAL;
/* Get size of interrupt specifier */
- tmp = (u32 *)get_property(p, "#interrupt-cells", NULL);
+ tmp = get_property(p, "#interrupt-cells", NULL);
if (tmp == NULL) {
of_node_put(p);
return -EINVAL;
}
intsize = *tmp;
+ DBG(" intsize=%d intlen=%d\n", intsize, intlen);
+
/* Check index */
if ((index + 1) * intsize > intlen)
return -EINVAL;
/* Get new specifier and map it */
- res = of_irq_map_raw(p, intspec + index * intsize, addr, out_irq);
+ res = of_irq_map_raw(p, intspec + index * intsize, intsize,
+ addr, out_irq);
of_node_put(p);
return res;
}
EXPORT_SYMBOL_GPL(of_irq_map_one);
+#ifdef CONFIG_PCI
+static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
+{
+ return (((pin - 1) + slot) % 4) + 1;
+}
+
int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
{
struct device_node *dn, *ppnode;
laddr[0] = (pdev->bus->number << 16)
| (pdev->devfn << 8);
laddr[1] = laddr[2] = 0;
- return of_irq_map_raw(ppnode, &lspec, laddr, out_irq);
+ return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq);
}
EXPORT_SYMBOL_GPL(of_irq_map_pci);
-
+#endif /* CONFIG_PCI */
git.openpandora.org / pandora-kernel.git / blobdiff