]> git.sur5r.net Git - u-boot/blob - drivers/qe/fdt.c
Merge branch 'master' of git://git.denx.de/u-boot-cfi-flash
[u-boot] / drivers / qe / fdt.c
1 /*
2  * Copyright 2008 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25
26 #include <common.h>
27 #include <libfdt.h>
28 #include <fdt_support.h>
29 #include "qe.h"
30
31 DECLARE_GLOBAL_DATA_PTR;
32
33 /*
34  * If a QE firmware has been uploaded, then add the 'firmware' node under
35  * the 'qe' node.
36  */
37 void fdt_fixup_qe_firmware(void *blob)
38 {
39         struct qe_firmware_info *qe_fw_info;
40         int node, ret;
41
42         qe_fw_info = qe_get_firmware_info();
43         if (!qe_fw_info)
44                 return;
45
46         node = fdt_path_offset(blob, "/qe");
47         if (node < 0)
48                 return;
49
50         /* We assume the node doesn't exist yet */
51         node = fdt_add_subnode(blob, node, "firmware");
52         if (node < 0)
53                 return;
54
55         ret = fdt_setprop(blob, node, "extended-modes",
56                 &qe_fw_info->extended_modes, sizeof(u64));
57         if (ret < 0)
58                 goto error;
59
60         ret = fdt_setprop_string(blob, node, "id", qe_fw_info->id);
61         if (ret < 0)
62                 goto error;
63
64         ret = fdt_setprop(blob, node, "virtual-traps", qe_fw_info->vtraps,
65                 sizeof(qe_fw_info->vtraps));
66         if (ret < 0)
67                 goto error;
68
69         return;
70
71 error:
72         fdt_del_node(blob, node);
73 }
74
75 void ft_qe_setup(void *blob)
76 {
77         do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
78                 "bus-frequency", gd->qe_clk, 1);
79         do_fixup_by_prop_u32(blob, "device_type", "qe", 4,
80                 "brg-frequency", gd->brg_clk, 1);
81         do_fixup_by_compat_u32(blob, "fsl,qe",
82                 "clock-frequency", gd->qe_clk, 1);
83         do_fixup_by_compat_u32(blob, "fsl,qe",
84                 "bus-frequency", gd->qe_clk, 1);
85         do_fixup_by_compat_u32(blob, "fsl,qe",
86                 "brg-frequency", gd->brg_clk, 1);
87         do_fixup_by_compat_u32(blob, "fsl,qe-gtm",
88                 "clock-frequency", gd->qe_clk / 2, 1);
89         fdt_fixup_qe_firmware(blob);
90 }