QE: Move FDT support into a common file
Move the flat device tree setup for QE related devices into
a common file shared between 83xx & 85xx platforms that have QE's.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/drivers/qe/fdt.c b/drivers/qe/fdt.c
new file mode 100644
index 0000000..5307488
--- /dev/null
+++ b/drivers/qe/fdt.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#include "qe.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * If a QE firmware has been uploaded, then add the 'firmware' node under
+ * the 'qe' node.
+ */
+void fdt_fixup_qe_firmware(void *blob)
+{
+ struct qe_firmware_info *qe_fw_info;
+ int node, ret;
+
+ qe_fw_info = qe_get_firmware_info();
+ if (!qe_fw_info)
+ return;
+
+ node = fdt_path_offset(blob, "/qe");
+ if (node < 0)
+ return;
+
+ /* We assume the node doesn't exist yet */
+ node = fdt_add_subnode(blob, node, "firmware");
+ if (node < 0)
+ return;
+
+ ret = fdt_setprop(blob, node, "extended-modes",
+ &qe_fw_info->extended_modes, sizeof(u64));
+ if (ret < 0)
+ goto error;
+
+ ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id);
+ if (ret < 0)
+ goto error;
+
+ ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps,
+ sizeof(qe_fw_info->vtraps));
+ if (ret < 0)
+ goto error;
+
+ return;
+
+error:
+ fdt_del_node(blob, node);
+}
+
+void ft_qe_setup(void *blob)
+{
+#ifdef CONFIG_QE
+ do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+ "bus-frequency", gd->qe_clk, 1);
+ do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
+ "brg-frequency", gd->brg_clk, 1);
+ do_fixup_by_compat_u32(blob, "fsl,qe",
+ "clock-frequency", gd->qe_clk, 1);
+ do_fixup_by_compat_u32(blob, "fsl,qe",
+ "bus-frequency", gd->qe_clk, 1);
+ do_fixup_by_compat_u32(blob, "fsl,qe",
+ "brg-frequency", gd->brg_clk, 1);
+ fdt_fixup_qe_firmware(blob);
+#endif
+}