diff options
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/apollolake/fsp_bindings.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/cpu/apollolake/fsp_bindings.c b/arch/x86/cpu/apollolake/fsp_bindings.c index 9130af9ce0..130366b403 100644 --- a/arch/x86/cpu/apollolake/fsp_bindings.c +++ b/arch/x86/cpu/apollolake/fsp_bindings.c @@ -90,6 +90,28 @@ static void read_u32_prop(ofnode node, char *name, size_t count, u32 *dst) } /** + * read_u64_prop() - Read an u64 property from devicetree (scalar or array) + * @node: Valid node reference to read property from + * @name: Name of the property to read from + * @count: If the property is expected to be an array, this is the + * number of expected elements + * set to 0 if the property is expected to be a scalar + * @dst: Pointer to destination of where to save the value(s) read + * from devicetree + */ +static int read_u64_prop(ofnode node, char *name, size_t count, u64 *dst) +{ + if (count == 0) { + ofnode_read_u64(node, name, dst); + } else { + debug("ERROR: %s u64 arrays not supported!\n", __func__); + return -EINVAL; + } + + return 0; +} + +/** * read_string_prop() - Read a string property from devicetree * @node: Valid node reference to read property from * @name: Name of the property to read from @@ -206,6 +228,12 @@ static int fsp_update_config_from_dtb(ofnode node, u8 *cfg, read_u32_prop(node, fspb->propname, fspb->count, (u32 *)&cfg[fspb->offset]); break; + case FSP_UINT64: + ret = read_u64_prop(node, fspb->propname, fspb->count, + (u64 *)&cfg[fspb->offset]); + if (ret) + return ret; + break; case FSP_STRING: read_string_prop(node, fspb->propname, fspb->count, (char *)&cfg[fspb->offset]); |