mmc: sdhci: fix mmc busy timeout handling

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

diff --git a/include/os.h b/include/os.h
index 954a48c9919e78a9259b615d6be12aa01c1ef4b3..1782e50e77511769b19b7a83679d5521107e5f8e 100644 (file)
--- a/include/os.h
+++ b/include/os.h
@@ -286,6 +286,31 @@ int os_read_ram_buf(const char *fname);
  */
 int os_jump_to_image(const void *dest, int size);
 
+/**
+ * os_find_u_boot() - Determine the path to U-Boot proper
+ *
+ * This function is intended to be called from within sandbox SPL. It uses
+ * a few heuristics to find U-Boot proper. Normally it is either in the same
+ * directory, or the directory above (since u-boot-spl is normally in an
+ * spl/ subdirectory when built).
+ *
+ * @fname:     Place to put full path to U-Boot
+ * @maxlen:    Maximum size of @fname
+ * @return 0 if OK, -NOSPC if the filename is too large, -ENOENT if not found
+ */
+int os_find_u_boot(char *fname, int maxlen);
+
+/**
+ * os_spl_to_uboot() - Run U-Boot proper
+ *
+ * When called from SPL, this runs U-Boot proper. The filename is obtained by
+ * calling os_find_u_boot().
+ *
+ * @fname:     Full pathname to U-Boot executable
+ * @return 0 if OK, -ve on error
+ */
+int os_spl_to_uboot(const char *fname);
+
 /**
  * Read the current system time
  *