1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* Copyright 2009-2010 Freescale Semiconductor, Inc.
*
* This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
* arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
* cpu specific common code for 85xx/86xx processors.
* 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>
#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
void ft_fixup_num_cores(void *blob) {
int off, num_cores, del_cores;
del_cores = 0;
num_cores = cpu_numcores();
off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
while (off != -FDT_ERR_NOTFOUND) {
u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
/* if we find a cpu node outside of what we expect delete it
* and reset the offset back to the start since we can't
* trust the offsets anymore
*/
if (*reg > num_cores-1) {
fdt_del_node(blob, off);
del_cores++;
off = -1;
}
off = fdt_node_offset_by_prop_value(blob, off,
"device_type", "cpu", 4);
}
debug ("%x core system found\n", num_cores);
debug ("deleted %d extra core entry entries from device tree\n",
del_cores);
}
#endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
#ifdef CONFIG_HAS_FSL_DR_USB
void fdt_fixup_dr_usb(void *blob, bd_t *bd)
{
char *mode;
char *type;
const char *compat = "fsl-usb2-dr";
const char *prop_mode = "dr_mode";
const char *prop_type = "phy_type";
int node_offset;
int err;
mode = getenv("usb_dr_mode");
type = getenv("usb_phy_type");
if (!mode && !type)
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));
return;
}
if (mode) {
err = fdt_setprop(blob, node_offset, prop_mode, mode,
strlen(mode) + 1);
if (err < 0)
printf("WARNING: could not set %s for %s: %s.\n",
prop_mode, compat, fdt_strerror(err));
}
if (type) {
err = fdt_setprop(blob, node_offset, prop_type, type,
strlen(type) + 1);
if (err < 0)
printf("WARNING: could not set %s for %s: %s.\n",
prop_type, compat, fdt_strerror(err));
}
}
#endif /* CONFIG_HAS_FSL_DR_USB */
/*
* update crypto node properties to a specified revision of the SEC
* called with sec_rev == 0 if not on an E processor
*/
#if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
void fdt_fixup_crypto_node(void *blob, int sec_rev)
{
const struct sec_rev_prop {
u32 sec_rev;
u32 num_channels;
u32 channel_fifo_len;
u32 exec_units_mask;
u32 descriptor_types_mask;
} sec_rev_prop_list [] = {
{ 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
{ 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
{ 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
{ 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
{ 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
{ 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
{ 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
};
char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
sizeof("fsl,secX.Y")];
int crypto_node, sec_idx, err;
char *p;
u32 val;
/* locate crypto node based on lowest common compatible */
crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
if (crypto_node == -FDT_ERR_NOTFOUND)
return;
/* delete it if not on an E-processor */
if (crypto_node > 0 && !sec_rev) {
fdt_del_node(blob, crypto_node);
return;
}
/* else we got called for possible uprev */
for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
break;
if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
puts("warning: unknown SEC revision number\n");
return;
}
val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
if (err < 0)
printf("WARNING: could not set crypto property: %s\n",
fdt_strerror(err));
val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
if (err < 0)
printf("WARNING: could not set crypto property: %s\n",
fdt_strerror(err));
val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
if (err < 0)
printf("WARNING: could not set crypto property: %s\n",
fdt_strerror(err));
val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
if (err < 0)
printf("WARNING: could not set crypto property: %s\n",
fdt_strerror(err));
val = 0;
while (sec_idx >= 0) {
p = compat_strlist + val;
val += sprintf(p, "fsl,sec%d.%d",
(sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
sec_idx--;
}
err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
if (err < 0)
printf("WARNING: could not set crypto property: %s\n",
fdt_strerror(err));
}
#elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
void fdt_fixup_crypto_node(void *blob, int sec_rev)
{
if (!sec_rev)
fdt_del_node_and_alias(blob, "crypto");
}
#endif
|
