cros_ec: Add a function for reading a flash map entry

[karo-tx-uboot.git] / include / fdtdec.h

diff --git a/include/fdtdec.h b/include/fdtdec.h
index 433d6a7c02566e86a5f77aeb7e26454fd1e15dab..aa695df3173d843a9964fa53029685dbbfea63ac 100644 (file)
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -59,6 +59,7 @@ enum fdt_compat_id {
        COMPAT_NVIDIA_TEGRA20_NAND,     /* Tegra2 NAND controller */
        COMPAT_NVIDIA_TEGRA20_PWM,      /* Tegra 2 PWM controller */
        COMPAT_NVIDIA_TEGRA20_DC,       /* Tegra 2 Display controller */
+       COMPAT_NVIDIA_TEGRA124_SDMMC,   /* Tegra124 SDMMC controller */
        COMPAT_NVIDIA_TEGRA30_SDMMC,    /* Tegra30 SDMMC controller */
        COMPAT_NVIDIA_TEGRA20_SDMMC,    /* Tegra20 SDMMC controller */
        COMPAT_NVIDIA_TEGRA20_SFLASH,   /* Tegra 2 SPI flash controller */
@@ -529,4 +530,22 @@ const u8 *fdtdec_locate_byte_array(const void *blob, int node,
  */
 int fdtdec_decode_region(const void *blob, int node,
                const char *prop_name, void **ptrp, size_t *size);
+
+/* A flash map entry, containing an offset and length */
+struct fmap_entry {
+       uint32_t offset;
+       uint32_t length;
+};
+
+/**
+ * Read a flash entry from the fdt
+ *
+ * @param blob         FDT blob
+ * @param node         Offset of node to read
+ * @param name         Name of node being read
+ * @param entry                Place to put offset and size of this node
+ * @return 0 if ok, -ve on error
+ */
+int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
+                          struct fmap_entry *entry);
 #endif