linux/of_address.h: of_address_to_resource()

Translate address in of_address_to_resource().

Update #3277.
This commit is contained in:
Sebastian Huber
2018-01-17 14:30:44 +01:00
parent 0f1d2f6174
commit e4923c85c9
4 changed files with 16 additions and 39 deletions

View File

@@ -2788,6 +2788,8 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
#else /* __rtems__ */
const char *fdt = bsp_fdt_get();
struct device_node *fm_node;
struct device_node muram_node_storage;
struct device_node *muram_node;
#endif /* __rtems__ */
u32 val, range[2];
int err, irq;
@@ -2891,6 +2893,12 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
__func__);
goto fman_node_put;
}
#else /* __rtems__ */
memset(&muram_node_storage, 0, sizeof(muram_node_storage));
muram_node = &muram_node_storage;
muram_node->offset = fdt_node_offset_by_compatible(fdt,
fm_node->offset, "fsl,fman-muram");
#endif /* __rtems__ */
err = of_address_to_resource(muram_node, 0,
&fman->dts_params.muram_res);
@@ -2900,27 +2908,7 @@ static struct fman *read_dts_node(struct platform_device *of_dev)
__func__, err);
goto fman_node_put;
}
#else /* __rtems__ */
{
int node = fdt_node_offset_by_compatible(fdt,
fm_node->offset, "fsl,fman-muram");
struct device_node muram_node = {
.offset = node
};
struct resource res;
err = of_address_to_resource(&muram_node, 0, &res);
if (err != 0) {
pr_err("could not find MURAM node\n");
goto fman_node_put;
}
fman->dts_params.muram_res.start = phys_base_addr + res.start;
fman->dts_params.muram_res.end = phys_base_addr + res.end - 1;
}
#endif /* __rtems__ */
#ifndef __rtems__
of_node_put(muram_node);
#endif /* __rtems__ */
err = devm_request_irq(&of_dev->dev, irq, fman_irq, 0, "fman", fman);
if (err < 0) {

View File

@@ -872,9 +872,6 @@ qman_sysinit(void)
memset(&dev, 0, sizeof(dev));
dev.pdev.dev.of_node = &dev.of_node;
#if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT)
dev.pdev.dev.base = (uintptr_t)&qoriq;
#endif
dev.of_node.offset = node;
dev.of_node.full_name = name;

View File

@@ -79,7 +79,7 @@ static inline void __iomem *
devm_ioremap(struct device *dev, resource_size_t offset, resource_size_t size)
{
return (void __iomem *)(dev->base + (uintptr_t)offset);
return (void __iomem *)(uintptr_t)offset;
}
#define devm_alloc_percpu(dev, type) \

View File

@@ -329,6 +329,7 @@ of_address_to_resource(struct device_node *dn, int index,
struct resource *res)
{
const void *fdt = bsp_fdt_get();
int node;
int ac;
int sc;
int len;
@@ -336,16 +337,17 @@ of_address_to_resource(struct device_node *dn, int index,
int i;
memset(res, 0, sizeof(*res));
node = dn->offset;
ac = get_address_cells(fdt, dn->offset);
ac = get_address_cells(fdt, node);
if (ac < 0)
return (-EINVAL);
sc = get_size_cells(fdt, dn->offset);
sc = get_size_cells(fdt, node);
if (sc < 0)
return (-EINVAL);
p = fdt_getprop(fdt, dn->offset, "reg", &len);
p = fdt_getprop(fdt, node, "reg", &len);
if (p == NULL)
return (-EINVAL);
@@ -354,19 +356,9 @@ of_address_to_resource(struct device_node *dn, int index,
if (i + ac + sc > len)
return (-EINVAL);
while (ac > 0) {
res->start = (res->start << 32) | fdt32_to_cpu(p[i]);
++i;
--ac;
}
while (sc > 0) {
res->end = (res->end << 32) | fdt32_to_cpu(p[i]);
++i;
--sc;
}
res->start = translate_address(fdt, node, ac, sc, &p[i]);
res->end = of_read_number(&p[i + ac], sc);
res->end += res->start;
return (0);
}