#define OF_CHECK_COUNTS(na, ns) (OF_CHECK_ADDR_COUNT(na) && (ns) > 0)
static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev,
- const __be32 *addrp, u64 size, unsigned int flags,
- const char *name, struct resource *r);
+static int __of_address_to_resource(struct device_node *dev, int index,
+ int bar_no, struct resource *r);
static bool of_mmio_is_nonposted(struct device_node *np);
/* Debug utility */
s = of_read_number(range + na + pna, ns);
da = of_read_number(addr, na);
- pr_debug("default map, cp=%llx, s=%llx, da=%llx\n",
- (unsigned long long)cp, (unsigned long long)s,
- (unsigned long long)da);
+ pr_debug("default map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
s = of_read_number(range + na + pna, ns);
da = of_read_number(addr + 1, na - 1);
- pr_debug("PCI map, cp=%llx, s=%llx, da=%llx\n",
- (unsigned long long)cp, (unsigned long long)s,
- (unsigned long long)da);
+ pr_debug("PCI map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
{
return of_bus_default_translate(addr + 1, offset, na - 1);
}
-
-const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
- unsigned int *flags)
-{
- const __be32 *prop;
- unsigned int psize;
- struct device_node *parent;
- struct of_bus *bus;
- int onesize, i, na, ns;
-
- /* Get parent & match bus type */
- parent = of_get_parent(dev);
- if (parent == NULL)
- return NULL;
- bus = of_match_bus(parent);
- if (strcmp(bus->name, "pci")) {
- of_node_put(parent);
- return NULL;
- }
- bus->count_cells(dev, &na, &ns);
- of_node_put(parent);
- if (!OF_CHECK_ADDR_COUNT(na))
- return NULL;
-
- /* Get "reg" or "assigned-addresses" property */
- prop = of_get_property(dev, bus->addresses, &psize);
- if (prop == NULL)
- return NULL;
- psize /= 4;
-
- onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) {
- u32 val = be32_to_cpu(prop[0]);
- if ((val & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
- if (size)
- *size = of_read_number(prop + na, ns);
- if (flags)
- *flags = bus->get_flags(prop);
- return prop;
- }
- }
- return NULL;
-}
-EXPORT_SYMBOL(of_get_pci_address);
+#endif /* CONFIG_PCI */
int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r)
{
- const __be32 *addrp;
- u64 size;
- unsigned int flags;
- addrp = of_get_pci_address(dev, bar, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, NULL, r);
+ if (!IS_ENABLED(CONFIG_PCI))
+ return -ENOSYS;
+
+ return __of_address_to_resource(dev, -1, bar, r);
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
res->parent = res->child = res->sibling = NULL;
res->name = np->full_name;
+ if (!IS_ENABLED(CONFIG_PCI))
+ return -ENOSYS;
+
if (res->flags & IORESOURCE_IO) {
unsigned long port;
err = pci_register_io_range(&np->fwnode, range->cpu_addr,
return err;
}
EXPORT_SYMBOL(of_pci_range_to_resource);
-#endif /* CONFIG_PCI */
/*
* ISA bus specific translator
s = of_read_number(range + na + pna, ns);
da = of_read_number(addr + 1, na - 1);
- pr_debug("ISA map, cp=%llx, s=%llx, da=%llx\n",
- (unsigned long long)cp, (unsigned long long)s,
- (unsigned long long)da);
+ pr_debug("ISA map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
if (da < cp || da >= (cp + s))
return OF_BAD_ADDR;
finish:
of_dump_addr("parent translation for:", addr, pna);
- pr_debug("with offset: %llx\n", (unsigned long long)offset);
+ pr_debug("with offset: %llx\n", offset);
/* Translate it into parent bus space */
return pbus->translate(addr, offset, pna);
}
EXPORT_SYMBOL(of_translate_dma_address);
-const __be32 *of_get_address(struct device_node *dev, int index, u64 *size,
- unsigned int *flags)
+const __be32 *__of_get_address(struct device_node *dev, int index, int bar_no,
+ u64 *size, unsigned int *flags)
{
const __be32 *prop;
unsigned int psize;
if (parent == NULL)
return NULL;
bus = of_match_bus(parent);
+ if (strcmp(bus->name, "pci") && (bar_no >= 0)) {
+ of_node_put(parent);
+ return NULL;
+ }
bus->count_cells(dev, &na, &ns);
of_node_put(parent);
if (!OF_CHECK_ADDR_COUNT(na))
psize /= 4;
onesize = na + ns;
- for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
- if (i == index) {
+ for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) {
+ u32 val = be32_to_cpu(prop[0]);
+ /* PCI bus matches on BAR number instead of index */
+ if (((bar_no >= 0) && ((val & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0))) ||
+ ((index >= 0) && (i == index))) {
if (size)
*size = of_read_number(prop + na, ns);
if (flags)
*flags = bus->get_flags(prop);
return prop;
}
+ }
return NULL;
}
-EXPORT_SYMBOL(of_get_address);
+EXPORT_SYMBOL(__of_get_address);
static int parser_init(struct of_pci_range_parser *parser,
struct device_node *node, const char *name)
return port;
}
-static int __of_address_to_resource(struct device_node *dev,
- const __be32 *addrp, u64 size, unsigned int flags,
- const char *name, struct resource *r)
+static int __of_address_to_resource(struct device_node *dev, int index, int bar_no,
+ struct resource *r)
{
u64 taddr;
+ const __be32 *addrp;
+ u64 size;
+ unsigned int flags;
+ const char *name = NULL;
+
+ addrp = __of_get_address(dev, index, bar_no, &size, &flags);
+ if (addrp == NULL)
+ return -EINVAL;
+
+ /* Get optional "reg-names" property to add a name to a resource */
+ if (index >= 0)
+ of_property_read_string_index(dev, "reg-names", index, &name);
if (flags & IORESOURCE_MEM)
taddr = of_translate_address(dev, addrp);
int of_address_to_resource(struct device_node *dev, int index,
struct resource *r)
{
- const __be32 *addrp;
- u64 size;
- unsigned int flags;
- const char *name = NULL;
-
- addrp = of_get_address(dev, index, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
-
- /* Get optional "reg-names" property to add a name to a resource */
- of_property_read_string_index(dev, "reg-names", index, &name);
-
- return __of_address_to_resource(dev, addrp, size, flags, name, r);
+ return __of_address_to_resource(dev, index, -1, r);
}
EXPORT_SYMBOL_GPL(of_address_to_resource);
projects / linux-2.6-microblaze.git / blobdiff