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 * SPDX-License-Identifier: GPL-2.0+
12 #include <fdt_support.h>
14 #include <asm/fsl_serdes.h>
18 #define FSL_MAX_NUM_USB_CTRLS 2
20 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
21 static int ft_del_cpuhandle(void *blob, int cpuhandle)
23 int off, ret = -FDT_ERR_NOTFOUND;
25 /* if we find a match, we'll delete at it which point the offsets are
26 * invalid so we start over from the beginning
28 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
30 while (off != -FDT_ERR_NOTFOUND) {
31 fdt_delprop(blob, off, "cpu-handle");
33 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
40 void ft_fixup_num_cores(void *blob) {
41 int off, num_cores, del_cores;
44 num_cores = cpu_numcores();
46 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
47 while (off != -FDT_ERR_NOTFOUND) {
48 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
49 u32 phys_cpu_id = thread_to_core(*reg);
51 if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
52 int ph = fdt_get_phandle(blob, off);
54 /* Delete the cpu node once there are no cpu handles */
55 if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
56 fdt_del_node(blob, off);
59 /* either we deleted some cpu handles or the cpu node
60 * so we reset the offset back to the start since we
61 * can't trust the offsets anymore
65 off = fdt_node_offset_by_prop_value(blob, off,
66 "device_type", "cpu", 4);
68 debug ("%x core system found\n", num_cores);
69 debug ("deleted %d extra core entry entries from device tree\n",
72 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
74 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
75 static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
76 const char *phy_type, int start_offset)
78 const char *compat_dr = "fsl-usb2-dr";
79 const char *compat_mph = "fsl-usb2-mph";
80 const char *prop_mode = "dr_mode";
81 const char *prop_type = "phy_type";
82 const char *node_type = NULL;
86 node_offset = fdt_node_offset_by_compatible(blob,
87 start_offset, compat_mph);
88 if (node_offset < 0) {
89 node_offset = fdt_node_offset_by_compatible(blob,
90 start_offset, compat_dr);
91 if (node_offset < 0) {
92 printf("WARNING: could not find compatible"
93 " node %s or %s: %s.\n", compat_mph,
94 compat_dr, fdt_strerror(node_offset));
97 node_type = compat_dr;
99 node_type = compat_mph;
102 err = fdt_setprop(blob, node_offset, prop_mode, mode,
105 printf("WARNING: could not set %s for %s: %s.\n",
106 prop_mode, node_type, fdt_strerror(err));
110 err = fdt_setprop(blob, node_offset, prop_type, phy_type,
111 strlen(phy_type) + 1);
113 printf("WARNING: could not set %s for %s: %s.\n",
114 prop_type, node_type, fdt_strerror(err));
120 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
122 const char *modes[] = { "host", "peripheral", "otg" };
123 const char *phys[] = { "ulpi", "utmi" };
124 const char *mode = NULL;
125 const char *phy_type = NULL;
126 const char *dr_mode_type = NULL;
127 const char *dr_phy_type = NULL;
128 char usb1_defined = 0;
129 int usb_mode_off = -1;
130 int usb_phy_off = -1;
134 for (i = 1; i <= FSL_MAX_NUM_USB_CTRLS; i++) {
135 int mode_idx = -1, phy_idx = -1;
136 snprintf(str, 5, "%s%d", "usb", i);
138 for (j = 0; j < ARRAY_SIZE(modes); j++) {
139 if (hwconfig_subarg_cmp(str, "dr_mode",
146 for (j = 0; j < ARRAY_SIZE(phys); j++) {
147 if (hwconfig_subarg_cmp(str, "phy_type",
154 if (mode_idx < 0 || phy_idx < 0) {
155 puts("ERROR: wrong usb mode/phy defined!!\n");
159 dr_mode_type = modes[mode_idx];
160 dr_phy_type = phys[phy_idx];
162 /* use usb_dr_mode and usb_phy_type if
163 usb1_defined = 0; these variables are to
165 if (!strcmp(str, "usb1"))
168 if (mode_idx < 0 && phy_idx < 0) {
169 printf("WARNING: invalid phy or mode\n");
174 usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
175 dr_mode_type, NULL, usb_mode_off);
177 if (usb_mode_off < 0)
180 usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
181 NULL, dr_phy_type, usb_phy_off);
189 mode = getenv("usb_dr_mode");
190 phy_type = getenv("usb_phy_type");
191 if (mode || phy_type) {
192 printf("WARNING: usb_dr_mode and usb_phy_type "
193 "are to be deprecated soon. Use "
194 "hwconfig to set these values instead!!\n");
195 fdt_fixup_usb_mode_phy_type(blob, mode,
200 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
203 * update crypto node properties to a specified revision of the SEC
204 * called with sec_rev == 0 if not on an E processor
206 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
207 void fdt_fixup_crypto_node(void *blob, int sec_rev)
209 static const struct sec_rev_prop {
212 u32 channel_fifo_len;
214 u32 descriptor_types_mask;
215 } sec_rev_prop_list [] = {
216 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
217 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
218 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
219 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
220 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
221 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
222 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
224 static char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
225 sizeof("fsl,secX.Y")];
226 int crypto_node, sec_idx, err;
230 /* locate crypto node based on lowest common compatible */
231 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
232 if (crypto_node == -FDT_ERR_NOTFOUND)
235 /* delete it if not on an E-processor */
236 if (crypto_node > 0 && !sec_rev) {
237 fdt_del_node(blob, crypto_node);
241 /* else we got called for possible uprev */
242 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
243 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
246 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
247 puts("warning: unknown SEC revision number\n");
251 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
252 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
254 printf("WARNING: could not set crypto property: %s\n",
257 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
258 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
260 printf("WARNING: could not set crypto property: %s\n",
263 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
264 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
266 printf("WARNING: could not set crypto property: %s\n",
269 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
270 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
272 printf("WARNING: could not set crypto property: %s\n",
276 while (sec_idx >= 0) {
277 p = compat_strlist + val;
278 val += sprintf(p, "fsl,sec%d.%d",
279 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
280 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
283 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
285 printf("WARNING: could not set crypto property: %s\n",
288 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
289 static u8 caam_get_era(void)
291 static const struct {
311 ccsr_sec_t __iomem *sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
312 u32 secvid_ms = in_be32(&sec->secvid_ms);
313 u32 ccbvid = in_be32(&sec->ccbvid);
314 u16 ip_id = (secvid_ms & SEC_SECVID_MS_IPID_MASK) >>
315 SEC_SECVID_MS_IPID_SHIFT;
316 u8 maj_rev = (secvid_ms & SEC_SECVID_MS_MAJ_REV_MASK) >>
317 SEC_SECVID_MS_MAJ_REV_SHIFT;
318 u8 era = (ccbvid & SEC_CCBVID_ERA_MASK) >> SEC_CCBVID_ERA_SHIFT;
322 if (era) /* This is '0' prior to CAAM ERA-6 */
325 for (i = 0; i < ARRAY_SIZE(caam_eras); i++)
326 if (caam_eras[i].ip_id == ip_id &&
327 caam_eras[i].maj_rev == maj_rev)
328 return caam_eras[i].era;
333 static void fdt_fixup_crypto_era(void *blob, u32 era)
338 crypto_node = fdt_path_offset(blob, "crypto");
339 if (crypto_node < 0) {
340 printf("WARNING: Missing crypto node\n");
344 err = fdt_setprop(blob, crypto_node, "fsl,sec-era", &era,
347 printf("ERROR: could not set fsl,sec-era property: %s\n",
352 void fdt_fixup_crypto_node(void *blob, int sec_rev)
357 fdt_del_node_and_alias(blob, "crypto");
361 /* Add SEC ERA information in compatible */
362 era = caam_get_era();
364 fdt_fixup_crypto_era(blob, era);
366 printf("WARNING: Unable to get ERA for CAAM rev: %d\n",
372 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
374 return fdt_setprop_string(blob, offset, "phy-connection-type",
375 phy_string_for_interface(phyc));
378 #ifdef CONFIG_SYS_SRIO
379 static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
381 int off = fdt_node_offset_by_prop_value(blob, srio_off,
382 "cell-index", &port, 4);
384 off = fdt_setprop_string(blob, off, "status", "disabled");
386 printf("WARNING unable to set status for fsl,srio "
387 "port %d: %s\n", port, fdt_strerror(off));
391 static inline void ft_disable_rman(void *blob)
393 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
395 off = fdt_setprop_string(blob, off, "status", "disabled");
397 printf("WARNING unable to set status for fsl,rman %s\n",
402 static inline void ft_disable_rmu(void *blob)
404 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
406 off = fdt_setprop_string(blob, off, "status", "disabled");
408 printf("WARNING unable to set status for "
409 "fsl,srio-rmu %s\n", fdt_strerror(off));
413 void ft_srio_setup(void *blob)
415 int srio1_used = 0, srio2_used = 0;
418 /* search for srio node, if doesn't exist just return - nothing todo */
419 srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
424 if (is_serdes_configured(SRIO1))
428 if (is_serdes_configured(SRIO2))
432 /* mark port1 disabled */
434 ft_disable_srio_port(blob, srio_off, 1);
436 /* mark port2 disabled */
438 ft_disable_srio_port(blob, srio_off, 2);
440 /* if both ports not used, disable controller, rmu and rman */
441 if (!srio1_used && !srio2_used) {
442 fdt_setprop_string(blob, srio_off, "status", "disabled");
444 ft_disable_rman(blob);
445 ft_disable_rmu(blob);