2 * Copyright 2009-2011 Freescale Semiconductor, Inc.
4 * This file is derived from arch/powerpc/cpu/mpc85xx/cpu.c and
5 * arch/powerpc/cpu/mpc86xx/cpu.c. Basically this file contains
6 * cpu specific common code for 85xx/86xx processors.
7 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 #include <fdt_support.h>
30 #include <asm/fsl_serdes.h>
34 #define FSL_MAX_NUM_USB_CTRLS 2
36 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
37 static int ft_del_cpuhandle(void *blob, int cpuhandle)
39 int off, ret = -FDT_ERR_NOTFOUND;
41 /* if we find a match, we'll delete at it which point the offsets are
42 * invalid so we start over from the beginning
44 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
46 while (off != -FDT_ERR_NOTFOUND) {
47 fdt_delprop(blob, off, "cpu-handle");
49 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
56 void ft_fixup_num_cores(void *blob) {
57 int off, num_cores, del_cores;
60 num_cores = cpu_numcores();
62 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
63 while (off != -FDT_ERR_NOTFOUND) {
64 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
66 if (!is_core_valid(*reg) || is_core_disabled(*reg)) {
67 int ph = fdt_get_phandle(blob, off);
69 /* Delete the cpu node once there are no cpu handles */
70 if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
71 fdt_del_node(blob, off);
74 /* either we deleted some cpu handles or the cpu node
75 * so we reset the offset back to the start since we
76 * can't trust the offsets anymore
80 off = fdt_node_offset_by_prop_value(blob, off,
81 "device_type", "cpu", 4);
83 debug ("%x core system found\n", num_cores);
84 debug ("deleted %d extra core entry entries from device tree\n",
87 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
89 #ifdef CONFIG_HAS_FSL_DR_USB
90 static void fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
93 const char *compat = "fsl-usb2-dr";
94 const char *prop_mode = "dr_mode";
95 const char *prop_type = "phy_type";
96 static int start_offset = -1;
100 node_offset = fdt_node_offset_by_compatible(blob,
101 start_offset, compat);
102 if (node_offset < 0) {
103 printf("WARNING: could not find compatible node %s: %s.\n",
104 compat, fdt_strerror(node_offset));
109 err = fdt_setprop(blob, node_offset, prop_mode, mode,
112 printf("WARNING: could not set %s for %s: %s.\n",
113 prop_mode, compat, fdt_strerror(err));
117 err = fdt_setprop(blob, node_offset, prop_type, phy_type,
118 strlen(phy_type) + 1);
120 printf("WARNING: could not set %s for %s: %s.\n",
121 prop_type, compat, fdt_strerror(err));
124 start_offset = node_offset;
127 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
129 const char *modes[] = { "host", "peripheral", "otg" };
130 const char *phys[] = { "ulpi", "umti" };
131 const char *mode = NULL;
132 const char *phy_type = NULL;
133 char usb1_defined = 0;
137 for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
138 int mode_idx = -1, phy_idx = -1;
139 sprintf(str, "%s%d", "usb", i);
141 for (j = 0; j < sizeof(modes); j++) {
142 if (hwconfig_subarg_cmp(str, "dr_mode",
148 for (j = 0; j < sizeof(phys); j++) {
149 if (hwconfig_subarg_cmp(str, "phy_type",
156 fdt_fixup_usb_mode_phy_type(blob,
157 modes[mode_idx], NULL);
159 fdt_fixup_usb_mode_phy_type(blob,
160 NULL, phys[phy_idx]);
161 if (!strcmp(str, "usb1"))
163 if (mode_idx < 0 && phy_idx < 0)
164 printf("WARNING: invalid phy or mode\n");
168 mode = getenv("usb_dr_mode");
169 phy_type = getenv("usb_phy_type");
170 if (!mode && !phy_type)
172 fdt_fixup_usb_mode_phy_type(blob, mode, phy_type);
175 #endif /* CONFIG_HAS_FSL_DR_USB */
178 * update crypto node properties to a specified revision of the SEC
179 * called with sec_rev == 0 if not on an E processor
181 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
182 void fdt_fixup_crypto_node(void *blob, int sec_rev)
184 const struct sec_rev_prop {
187 u32 channel_fifo_len;
189 u32 descriptor_types_mask;
190 } sec_rev_prop_list [] = {
191 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
192 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
193 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
194 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
195 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
196 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
197 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
199 char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
200 sizeof("fsl,secX.Y")];
201 int crypto_node, sec_idx, err;
205 /* locate crypto node based on lowest common compatible */
206 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
207 if (crypto_node == -FDT_ERR_NOTFOUND)
210 /* delete it if not on an E-processor */
211 if (crypto_node > 0 && !sec_rev) {
212 fdt_del_node(blob, crypto_node);
216 /* else we got called for possible uprev */
217 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
218 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
221 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
222 puts("warning: unknown SEC revision number\n");
226 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
227 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
229 printf("WARNING: could not set crypto property: %s\n",
232 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
233 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
235 printf("WARNING: could not set crypto property: %s\n",
238 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
239 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
241 printf("WARNING: could not set crypto property: %s\n",
244 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
245 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
247 printf("WARNING: could not set crypto property: %s\n",
251 while (sec_idx >= 0) {
252 p = compat_strlist + val;
253 val += sprintf(p, "fsl,sec%d.%d",
254 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
255 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
258 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
260 printf("WARNING: could not set crypto property: %s\n",
263 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
264 void fdt_fixup_crypto_node(void *blob, int sec_rev)
267 fdt_del_node_and_alias(blob, "crypto");
271 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
273 return fdt_setprop_string(blob, offset, "phy-connection-type",
274 phy_string_for_interface(phyc));
277 #ifdef CONFIG_SYS_SRIO
278 void ft_srio_setup(void *blob)
281 if (!is_serdes_configured(SRIO1)) {
282 fdt_del_node_and_alias(blob, "rio0");
285 fdt_del_node_and_alias(blob, "rio0");
288 if (!is_serdes_configured(SRIO2)) {
289 fdt_del_node_and_alias(blob, "rio1");
292 fdt_del_node_and_alias(blob, "rio1");