blob: 54e60bb1aef84fc279b67966bcdcf19f59177b1b [file] [log] [blame]
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +05301/*
Kim Phillips6578bae2010-05-28 08:00:14 +00002 * Copyright 2009-2010 Freescale Semiconductor, Inc.
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +05303 *
Stefan Roese88fbf932010-04-15 16:07:28 +02004 * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
5 * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
Peter Tyser29514c72010-04-12 22:28:09 -05006 * cpu specific common code for 85xx/86xx processors.
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +05307 * 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>
Kumar Gala819a4792010-06-09 22:33:53 -050029#include <asm/mp.h>
Kumar Gala6bc9fd52010-09-30 09:15:03 -050030#include <asm/fsl_enet.h>
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +053031
Kumar Gala819a4792010-06-09 22:33:53 -050032#if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
Kumar Galaa24926d2010-06-09 13:14:28 -050033static int ft_del_cpuhandle(void *blob, int cpuhandle)
34{
35 int off, ret = -FDT_ERR_NOTFOUND;
36
37 /* if we find a match, we'll delete at it which point the offsets are
38 * invalid so we start over from the beginning
39 */
40 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
41 &cpuhandle, 4);
42 while (off != -FDT_ERR_NOTFOUND) {
43 fdt_delprop(blob, off, "cpu-handle");
44 ret = 1;
45 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
46 &cpuhandle, 4);
47 }
48
49 return ret;
50}
51
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +053052void ft_fixup_num_cores(void *blob) {
53 int off, num_cores, del_cores;
54
55 del_cores = 0;
56 num_cores = cpu_numcores();
57
58 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
59 while (off != -FDT_ERR_NOTFOUND) {
60 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
61
Kumar Gala819a4792010-06-09 22:33:53 -050062 if ((*reg > num_cores-1) || (is_core_disabled(*reg))) {
Kumar Galaa24926d2010-06-09 13:14:28 -050063 int ph = fdt_get_phandle(blob, off);
64
65 /* Delete the cpu node once there are no cpu handles */
66 if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
67 fdt_del_node(blob, off);
68 del_cores++;
69 }
70 /* either we deleted some cpu handles or the cpu node
71 * so we reset the offset back to the start since we
72 * can't trust the offsets anymore
73 */
Poonam Aggrwal4ca72ae2009-09-02 19:40:36 +053074 off = -1;
75 }
76 off = fdt_node_offset_by_prop_value(blob, off,
77 "device_type", "cpu", 4);
78 }
79 debug ("%x core system found\n", num_cores);
80 debug ("deleted %d extra core entry entries from device tree\n",
81 del_cores);
82}
Kim Phillips6578bae2010-05-28 08:00:14 +000083#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
84
85#ifdef CONFIG_HAS_FSL_DR_USB
86void fdt_fixup_dr_usb(void *blob, bd_t *bd)
87{
88 char *mode;
89 char *type;
90 const char *compat = "fsl-usb2-dr";
91 const char *prop_mode = "dr_mode";
92 const char *prop_type = "phy_type";
93 int node_offset;
94 int err;
95
96 mode = getenv("usb_dr_mode");
97 type = getenv("usb_phy_type");
98 if (!mode && !type)
99 return;
100
101 node_offset = fdt_node_offset_by_compatible(blob, 0, compat);
102 if (node_offset < 0) {
103 printf("WARNING: could not find compatible node %s: %s.\n",
104 compat, fdt_strerror(node_offset));
105 return;
106 }
107
108 if (mode) {
109 err = fdt_setprop(blob, node_offset, prop_mode, mode,
110 strlen(mode) + 1);
111 if (err < 0)
112 printf("WARNING: could not set %s for %s: %s.\n",
113 prop_mode, compat, fdt_strerror(err));
114 }
115
116 if (type) {
117 err = fdt_setprop(blob, node_offset, prop_type, type,
118 strlen(type) + 1);
119 if (err < 0)
120 printf("WARNING: could not set %s for %s: %s.\n",
121 prop_type, compat, fdt_strerror(err));
122 }
123}
124#endif /* CONFIG_HAS_FSL_DR_USB */
125
Kim Phillips6578bae2010-05-28 08:00:14 +0000126/*
127 * update crypto node properties to a specified revision of the SEC
Kim Phillipsdef125f2010-06-01 12:24:27 -0500128 * called with sec_rev == 0 if not on an E processor
Kim Phillips6578bae2010-05-28 08:00:14 +0000129 */
Kim Phillipsdef125f2010-06-01 12:24:27 -0500130#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
Kim Phillips6578bae2010-05-28 08:00:14 +0000131void fdt_fixup_crypto_node(void *blob, int sec_rev)
132{
133 const struct sec_rev_prop {
134 u32 sec_rev;
135 u32 num_channels;
136 u32 channel_fifo_len;
137 u32 exec_units_mask;
138 u32 descriptor_types_mask;
139 } sec_rev_prop_list [] = {
140 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
141 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
142 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
143 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
144 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
145 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
146 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
147 };
148 char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
149 sizeof("fsl,secX.Y")];
150 int crypto_node, sec_idx, err;
151 char *p;
152 u32 val;
153
154 /* locate crypto node based on lowest common compatible */
155 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
156 if (crypto_node == -FDT_ERR_NOTFOUND)
157 return;
158
159 /* delete it if not on an E-processor */
160 if (crypto_node > 0 && !sec_rev) {
161 fdt_del_node(blob, crypto_node);
162 return;
163 }
164
165 /* else we got called for possible uprev */
166 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
167 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
168 break;
169
170 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
171 puts("warning: unknown SEC revision number\n");
172 return;
173 }
174
175 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
176 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
177 if (err < 0)
178 printf("WARNING: could not set crypto property: %s\n",
179 fdt_strerror(err));
180
181 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
182 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
183 if (err < 0)
184 printf("WARNING: could not set crypto property: %s\n",
185 fdt_strerror(err));
186
187 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
188 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
189 if (err < 0)
190 printf("WARNING: could not set crypto property: %s\n",
191 fdt_strerror(err));
192
193 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
194 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
195 if (err < 0)
196 printf("WARNING: could not set crypto property: %s\n",
197 fdt_strerror(err));
198
199 val = 0;
200 while (sec_idx >= 0) {
201 p = compat_strlist + val;
202 val += sprintf(p, "fsl,sec%d.%d",
203 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
204 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
205 sec_idx--;
206 }
207 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
208 if (err < 0)
209 printf("WARNING: could not set crypto property: %s\n",
210 fdt_strerror(err));
211}
Kim Phillips1b625492010-06-01 12:24:34 -0500212#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
213void fdt_fixup_crypto_node(void *blob, int sec_rev)
214{
215 if (!sec_rev)
216 fdt_del_node_and_alias(blob, "crypto");
217}
Kim Phillipsdef125f2010-06-01 12:24:27 -0500218#endif
Kumar Gala6bc9fd52010-09-30 09:15:03 -0500219
220int fdt_fixup_phy_connection(void *blob, int offset, enum fsl_phy_enet_if phyc)
221{
222 static const char *fsl_phy_enet_if_str[] = {
223 [MII] = "mii",
224 [RMII] = "rmii",
225 [GMII] = "gmii",
226 [RGMII] = "rgmii",
227 [RGMII_ID] = "rgmii-id",
228 [RGMII_RXID] = "rgmii-rxid",
229 [SGMII] = "sgmii",
230 [TBI] = "tbi",
231 [RTBI] = "rtbi",
232 [XAUI] = "xgmii",
233 [FSL_ETH_IF_NONE] = "",
234 };
235
236 if (phyc > ARRAY_SIZE(fsl_phy_enet_if_str))
237 return fdt_setprop_string(blob, offset, "phy-connection-type", "");
238
239 return fdt_setprop_string(blob, offset, "phy-connection-type",
240 fsl_phy_enet_if_str[phyc]);
241}