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authorAnton Vorontsov <avorontsov@ru.mvista.com>2008-03-14 23:20:18 +0300
committerKim Phillips <kim.phillips@freescale.com>2008-03-25 19:19:39 -0500
commit18e69a35efbb078403db0c0063986470dad7d082 (patch)
tree0b771e000e8dbd7f4e9d350ae5990674d8aa7ec8 /common
parentc7604783b236e368f225efb7b3efb418fe20b404 (diff)
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83xx/fdt_support: let user specifiy FSL USB Dual-Role controller role
Linux understands "host" (default), "peripheral" and "otg" (broken). Though, U-Boot doesn't restrict dr_mode variable to these values (think of renames in future). Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'common')
-rw-r--r--common/fdt_support.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index 36e1469..7507744 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -422,3 +422,28 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd)
}
}
#endif
+
+#ifdef CONFIG_HAS_FSL_DR_USB
+void fdt_fixup_dr_usb(void *blob, bd_t *bd)
+{
+ char *mode;
+ const char *compat = "fsl-usb2-dr";
+ const char *prop = "dr_mode";
+ int node_offset;
+ int err;
+
+ mode = getenv("usb_dr_mode");
+ if (!mode)
+ return;
+
+ node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
+ if (node_offset < 0)
+ printf("WARNING: could not find compatible node %s: %s.\n",
+ compat, fdt_strerror(node_offset));
+
+ err = fdt_setprop(blob, node_offset, prop, mode, strlen(mode) + 1);
+ if (err < 0)
+ printf("WARNING: could not set %s for %s: %s.\n",
+ prop, compat, fdt_strerror(err));
+}
+#endif /* CONFIG_HAS_FSL_DR_USB */