dm: core: Add a function to read into a unsigned int

[platform/kernel/u-boot.git] / drivers / core / read.c

diff --git a/drivers/core/read.c b/drivers/core/read.c
index 96766c7..3c46b36 100644 (file)
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -21,6 +21,29 @@ int dev_read_u32_default(struct udevice *dev, const char *propname, int def)
        return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
 }
 
+int dev_read_s32(struct udevice *dev, const char *propname, s32 *outp)
+{
+       return ofnode_read_u32(dev_ofnode(dev), propname, (u32 *)outp);
+}
+
+int dev_read_s32_default(struct udevice *dev, const char *propname, int def)
+{
+       return ofnode_read_u32_default(dev_ofnode(dev), propname, def);
+}
+
+int dev_read_u32u(struct udevice *dev, const char *propname, uint *outp)
+{
+       u32 val;
+       int ret;
+
+       ret = ofnode_read_u32(dev_ofnode(dev), propname, &val);
+       if (ret)
+               return ret;
+       *outp = val;
+
+       return 0;
+}
+
 const char *dev_read_string(struct udevice *dev, const char *propname)
 {
        return ofnode_read_string(dev_ofnode(dev), propname);
@@ -69,6 +92,26 @@ void *dev_remap_addr_index(struct udevice *dev, int index)
        return map_physmem(addr, 0, MAP_NOCACHE);
 }
 
+fdt_addr_t dev_read_addr_name(struct udevice *dev, const char *name)
+{
+       int index = dev_read_stringlist_search(dev, "reg-names", name);
+
+       if (index < 0)
+               return FDT_ADDR_T_NONE;
+       else
+               return dev_read_addr_index(dev, index);
+}
+
+void *dev_remap_addr_name(struct udevice *dev, const char *name)
+{
+       fdt_addr_t addr = dev_read_addr_name(dev, name);
+
+       if (addr == FDT_ADDR_T_NONE)
+               return NULL;
+
+       return map_physmem(addr, 0, MAP_NOCACHE);
+}
+
 fdt_addr_t dev_read_addr(struct udevice *dev)
 {
        return dev_read_addr_index(dev, 0);