lib, fdt: Adding fdtdec_get_uint function
Adding fdtdec_get_uint function which is the unsigned version for fdtdec_get_int Signed-off-by: Chin Liang See <clsee@altera.com> Cc: Dinh Nguyen <dinguyen@opensource.altera.com> Cc: Dinh Nguyen <dinh.linux@gmail.com> Cc: Marek Vasut <marex@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Vikas Manocha <vikas.manocha@st.com> Cc: Jagannadh Teki <jteki@openedev.com> Cc: Pavel Machek <pavel@denx.de> Cc: Heiko Schocher <hs@denx.de>utp
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c624d07f3f
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bfa3e55b44
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@ -489,6 +489,19 @@ int fdtdec_get_pci_bar32(const void *blob, int node,
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s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
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s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
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s32 default_val);
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s32 default_val);
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/**
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* Unsigned version of fdtdec_get_int. The property must have at least
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* 4 bytes of data. The value of the first cell is returned.
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*
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* @param blob FDT blob
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* @param node node to examine
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* @param prop_name name of property to find
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* @param default_val default value to return if the property is not found
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* @return unsigned integer value, if found, or default_val if not
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*/
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unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,
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unsigned int default_val);
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/**
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/**
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* Get a variable-sized number from a property
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* Get a variable-sized number from a property
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*
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*
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@ -36,3 +36,21 @@ int fdtdec_get_int(const void *blob, int node, const char *prop_name,
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debug("(not found)\n");
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debug("(not found)\n");
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return default_val;
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return default_val;
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}
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}
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unsigned int fdtdec_get_uint(const void *blob, int node, const char *prop_name,
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unsigned int default_val)
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{
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const int *cell;
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int len;
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debug("%s: %s: ", __func__, prop_name);
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cell = fdt_getprop(blob, node, prop_name, &len);
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if (cell && len >= sizeof(unsigned int)) {
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unsigned int val = fdt32_to_cpu(cell[0]);
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debug("%#x (%d)\n", val, val);
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return val;
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}
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debug("(not found)\n");
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return default_val;
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}
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