2 * Copyright 2009-2012 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 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
90 static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
91 const char *phy_type, int start_offset)
93 const char *compat_dr = "fsl-usb2-dr";
94 const char *compat_mph = "fsl-usb2-mph";
95 const char *prop_mode = "dr_mode";
96 const char *prop_type = "phy_type";
97 const char *node_type = NULL;
101 node_offset = fdt_node_offset_by_compatible(blob,
102 start_offset, compat_mph);
103 if (node_offset < 0) {
104 node_offset = fdt_node_offset_by_compatible(blob,
105 start_offset, compat_dr);
106 if (node_offset < 0) {
107 printf("WARNING: could not find compatible"
108 " node %s or %s: %s.\n", compat_mph,
109 compat_dr, fdt_strerror(node_offset));
112 node_type = compat_dr;
114 node_type = compat_mph;
117 err = fdt_setprop(blob, node_offset, prop_mode, mode,
120 printf("WARNING: could not set %s for %s: %s.\n",
121 prop_mode, node_type, fdt_strerror(err));
125 err = fdt_setprop(blob, node_offset, prop_type, phy_type,
126 strlen(phy_type) + 1);
128 printf("WARNING: could not set %s for %s: %s.\n",
129 prop_type, node_type, fdt_strerror(err));
135 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
137 const char *modes[] = { "host", "peripheral", "otg" };
138 const char *phys[] = { "ulpi", "utmi" };
139 const char *mode = NULL;
140 const char *phy_type = NULL;
141 char usb1_defined = 0;
142 int usb_mode_off = -1;
143 int usb_phy_off = -1;
147 for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
148 int mode_idx = -1, phy_idx = -1;
149 snprintf(str, 5, "%s%d", "usb", i);
151 for (j = 0; j < ARRAY_SIZE(modes); j++) {
152 if (hwconfig_subarg_cmp(str, "dr_mode",
158 for (j = 0; j < ARRAY_SIZE(phys); j++) {
159 if (hwconfig_subarg_cmp(str, "phy_type",
166 usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
167 modes[mode_idx], NULL, usb_mode_off);
168 if (usb_mode_off < 0)
172 usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
173 NULL, phys[phy_idx], usb_phy_off);
177 if (!strcmp(str, "usb1"))
179 if (mode_idx < 0 && phy_idx < 0)
180 printf("WARNING: invalid phy or mode\n");
185 mode = getenv("usb_dr_mode");
186 phy_type = getenv("usb_phy_type");
187 if (!mode && !phy_type)
189 fdt_fixup_usb_mode_phy_type(blob, mode, phy_type, usb_off);
192 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
195 * update crypto node properties to a specified revision of the SEC
196 * called with sec_rev == 0 if not on an E processor
198 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
199 void fdt_fixup_crypto_node(void *blob, int sec_rev)
201 const struct sec_rev_prop {
204 u32 channel_fifo_len;
206 u32 descriptor_types_mask;
207 } sec_rev_prop_list [] = {
208 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
209 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
210 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
211 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
212 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
213 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
214 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
216 char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
217 sizeof("fsl,secX.Y")];
218 int crypto_node, sec_idx, err;
222 /* locate crypto node based on lowest common compatible */
223 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
224 if (crypto_node == -FDT_ERR_NOTFOUND)
227 /* delete it if not on an E-processor */
228 if (crypto_node > 0 && !sec_rev) {
229 fdt_del_node(blob, crypto_node);
233 /* else we got called for possible uprev */
234 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
235 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
238 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
239 puts("warning: unknown SEC revision number\n");
243 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
244 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
246 printf("WARNING: could not set crypto property: %s\n",
249 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
250 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
252 printf("WARNING: could not set crypto property: %s\n",
255 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
256 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
258 printf("WARNING: could not set crypto property: %s\n",
261 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
262 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
264 printf("WARNING: could not set crypto property: %s\n",
268 while (sec_idx >= 0) {
269 p = compat_strlist + val;
270 val += sprintf(p, "fsl,sec%d.%d",
271 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
272 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
275 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
277 printf("WARNING: could not set crypto property: %s\n",
280 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
281 void fdt_fixup_crypto_node(void *blob, int sec_rev)
284 fdt_del_node_and_alias(blob, "crypto");
288 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
290 return fdt_setprop_string(blob, offset, "phy-connection-type",
291 phy_string_for_interface(phyc));
294 #ifdef CONFIG_SYS_SRIO
295 static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
297 int off = fdt_node_offset_by_prop_value(blob, srio_off,
298 "cell-index", &port, 4);
300 off = fdt_setprop_string(blob, off, "status", "disabled");
302 printf("WARNING unable to set status for fsl,srio "
303 "port %d: %s\n", port, fdt_strerror(off));
307 static inline void ft_disable_rman(void *blob)
309 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
311 off = fdt_setprop_string(blob, off, "status", "disabled");
313 printf("WARNING unable to set status for fsl,rman %s\n",
318 static inline void ft_disable_rmu(void *blob)
320 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
322 off = fdt_setprop_string(blob, off, "status", "disabled");
324 printf("WARNING unable to set status for "
325 "fsl,srio-rmu %s\n", fdt_strerror(off));
329 void ft_srio_setup(void *blob)
331 int srio1_used = 0, srio2_used = 0;
334 /* search for srio node, if doesn't exist just return - nothing todo */
335 srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
340 if (is_serdes_configured(SRIO1))
344 if (is_serdes_configured(SRIO2))
348 /* mark port1 disabled */
350 ft_disable_srio_port(blob, srio_off, 1);
352 /* mark port2 disabled */
354 ft_disable_srio_port(blob, srio_off, 2);
356 /* if both ports not used, disable controller, rmu and rman */
357 if (!srio1_used && !srio2_used) {
358 fdt_setprop_string(blob, srio_off, "status", "disabled");
360 ft_disable_rman(blob);
361 ft_disable_rmu(blob);