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 #ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
19 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1
22 #if defined(CONFIG_MP) && (defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx))
23 static int ft_del_cpuhandle(void *blob, int cpuhandle)
25 int off, ret = -FDT_ERR_NOTFOUND;
27 /* if we find a match, we'll delete at it which point the offsets are
28 * invalid so we start over from the beginning
30 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
32 while (off != -FDT_ERR_NOTFOUND) {
33 fdt_delprop(blob, off, "cpu-handle");
35 off = fdt_node_offset_by_prop_value(blob, -1, "cpu-handle",
42 void ft_fixup_num_cores(void *blob) {
43 int off, num_cores, del_cores;
46 num_cores = cpu_numcores();
48 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
49 while (off != -FDT_ERR_NOTFOUND) {
50 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
51 u32 phys_cpu_id = thread_to_core(*reg);
53 if (!is_core_valid(phys_cpu_id) || is_core_disabled(phys_cpu_id)) {
54 int ph = fdt_get_phandle(blob, off);
56 /* Delete the cpu node once there are no cpu handles */
57 if (-FDT_ERR_NOTFOUND == ft_del_cpuhandle(blob, ph)) {
58 fdt_del_node(blob, off);
61 /* either we deleted some cpu handles or the cpu node
62 * so we reset the offset back to the start since we
63 * can't trust the offsets anymore
67 off = fdt_node_offset_by_prop_value(blob, off,
68 "device_type", "cpu", 4);
70 debug ("%x core system found\n", num_cores);
71 debug ("deleted %d extra core entry entries from device tree\n",
74 #endif /* defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) */
76 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
77 static int fdt_fixup_usb_mode_phy_type(void *blob, const char *mode,
78 const char *phy_type, int start_offset)
80 const char *compat_dr = "fsl-usb2-dr";
81 const char *compat_mph = "fsl-usb2-mph";
82 const char *prop_mode = "dr_mode";
83 const char *prop_type = "phy_type";
84 const char *node_type = NULL;
88 node_offset = fdt_node_offset_by_compatible(blob,
89 start_offset, compat_mph);
90 if (node_offset < 0) {
91 node_offset = fdt_node_offset_by_compatible(blob,
92 start_offset, compat_dr);
93 if (node_offset < 0) {
94 printf("WARNING: could not find compatible"
95 " node %s or %s: %s.\n", compat_mph,
96 compat_dr, fdt_strerror(node_offset));
99 node_type = compat_dr;
101 node_type = compat_mph;
104 err = fdt_setprop(blob, node_offset, prop_mode, mode,
107 printf("WARNING: could not set %s for %s: %s.\n",
108 prop_mode, node_type, fdt_strerror(err));
112 err = fdt_setprop(blob, node_offset, prop_type, phy_type,
113 strlen(phy_type) + 1);
115 printf("WARNING: could not set %s for %s: %s.\n",
116 prop_type, node_type, fdt_strerror(err));
122 void fdt_fixup_dr_usb(void *blob, bd_t *bd)
124 const char *modes[] = { "host", "peripheral", "otg" };
125 const char *phys[] = { "ulpi", "utmi" };
126 const char *dr_mode_type = NULL;
127 const char *dr_phy_type = NULL;
128 int usb_mode_off = -1;
129 int usb_phy_off = -1;
133 for (i = 1; i <= CONFIG_USB_MAX_CONTROLLER_COUNT; i++) {
134 int mode_idx = -1, phy_idx = -1;
135 snprintf(str, 5, "%s%d", "usb", i);
137 for (j = 0; j < ARRAY_SIZE(modes); j++) {
138 if (hwconfig_subarg_cmp(str, "dr_mode",
145 for (j = 0; j < ARRAY_SIZE(phys); j++) {
146 if (hwconfig_subarg_cmp(str, "phy_type",
153 if (mode_idx < 0 || phy_idx < 0) {
154 puts("ERROR: wrong usb mode/phy defined!!\n");
158 dr_mode_type = modes[mode_idx];
159 dr_phy_type = phys[phy_idx];
161 if (mode_idx < 0 && phy_idx < 0) {
162 printf("WARNING: invalid phy or mode\n");
167 usb_mode_off = fdt_fixup_usb_mode_phy_type(blob,
168 dr_mode_type, NULL, usb_mode_off);
170 if (usb_mode_off < 0)
173 usb_phy_off = fdt_fixup_usb_mode_phy_type(blob,
174 NULL, dr_phy_type, usb_phy_off);
180 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
183 * update crypto node properties to a specified revision of the SEC
184 * called with sec_rev == 0 if not on an E processor
186 #if CONFIG_SYS_FSL_SEC_COMPAT == 2 /* SEC 2.x/3.x */
187 void fdt_fixup_crypto_node(void *blob, int sec_rev)
189 static const struct sec_rev_prop {
192 u32 channel_fifo_len;
194 u32 descriptor_types_mask;
195 } sec_rev_prop_list [] = {
196 { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */
197 { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */
198 { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */
199 { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */
200 { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */
201 { 0x0301, 4, 24, 0xbfe, 0x03ab0ebf }, /* SEC 3.1 */
202 { 0x0303, 4, 24, 0x97c, 0x03a30abf }, /* SEC 3.3 */
204 static char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) *
205 sizeof("fsl,secX.Y")];
206 int crypto_node, sec_idx, err;
210 /* locate crypto node based on lowest common compatible */
211 crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0");
212 if (crypto_node == -FDT_ERR_NOTFOUND)
215 /* delete it if not on an E-processor */
216 if (crypto_node > 0 && !sec_rev) {
217 fdt_del_node(blob, crypto_node);
221 /* else we got called for possible uprev */
222 for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++)
223 if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev)
226 if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) {
227 puts("warning: unknown SEC revision number\n");
231 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels);
232 err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4);
234 printf("WARNING: could not set crypto property: %s\n",
237 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask);
238 err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4);
240 printf("WARNING: could not set crypto property: %s\n",
243 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask);
244 err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4);
246 printf("WARNING: could not set crypto property: %s\n",
249 val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len);
250 err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4);
252 printf("WARNING: could not set crypto property: %s\n",
256 while (sec_idx >= 0) {
257 p = compat_strlist + val;
258 val += sprintf(p, "fsl,sec%d.%d",
259 (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8,
260 sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1;
263 err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val);
265 printf("WARNING: could not set crypto property: %s\n",
268 #elif CONFIG_SYS_FSL_SEC_COMPAT >= 4 /* SEC4 */
269 static u8 caam_get_era(void)
271 static const struct {
291 ccsr_sec_t __iomem *sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
292 u32 secvid_ms = in_be32(&sec->secvid_ms);
293 u32 ccbvid = in_be32(&sec->ccbvid);
294 u16 ip_id = (secvid_ms & SEC_SECVID_MS_IPID_MASK) >>
295 SEC_SECVID_MS_IPID_SHIFT;
296 u8 maj_rev = (secvid_ms & SEC_SECVID_MS_MAJ_REV_MASK) >>
297 SEC_SECVID_MS_MAJ_REV_SHIFT;
298 u8 era = (ccbvid & SEC_CCBVID_ERA_MASK) >> SEC_CCBVID_ERA_SHIFT;
302 if (era) /* This is '0' prior to CAAM ERA-6 */
305 for (i = 0; i < ARRAY_SIZE(caam_eras); i++)
306 if (caam_eras[i].ip_id == ip_id &&
307 caam_eras[i].maj_rev == maj_rev)
308 return caam_eras[i].era;
313 static void fdt_fixup_crypto_era(void *blob, u32 era)
318 crypto_node = fdt_path_offset(blob, "crypto");
319 if (crypto_node < 0) {
320 printf("WARNING: Missing crypto node\n");
324 err = fdt_setprop(blob, crypto_node, "fsl,sec-era", &era,
327 printf("ERROR: could not set fsl,sec-era property: %s\n",
332 void fdt_fixup_crypto_node(void *blob, int sec_rev)
337 fdt_del_node_and_alias(blob, "crypto");
341 /* Add SEC ERA information in compatible */
342 era = caam_get_era();
344 fdt_fixup_crypto_era(blob, era);
346 printf("WARNING: Unable to get ERA for CAAM rev: %d\n",
352 int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
354 return fdt_setprop_string(blob, offset, "phy-connection-type",
355 phy_string_for_interface(phyc));
358 #ifdef CONFIG_SYS_SRIO
359 static inline void ft_disable_srio_port(void *blob, int srio_off, int port)
361 int off = fdt_node_offset_by_prop_value(blob, srio_off,
362 "cell-index", &port, 4);
364 off = fdt_setprop_string(blob, off, "status", "disabled");
366 printf("WARNING unable to set status for fsl,srio "
367 "port %d: %s\n", port, fdt_strerror(off));
371 static inline void ft_disable_rman(void *blob)
373 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,rman");
375 off = fdt_setprop_string(blob, off, "status", "disabled");
377 printf("WARNING unable to set status for fsl,rman %s\n",
382 static inline void ft_disable_rmu(void *blob)
384 int off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio-rmu");
386 off = fdt_setprop_string(blob, off, "status", "disabled");
388 printf("WARNING unable to set status for "
389 "fsl,srio-rmu %s\n", fdt_strerror(off));
393 void ft_srio_setup(void *blob)
395 int srio1_used = 0, srio2_used = 0;
398 /* search for srio node, if doesn't exist just return - nothing todo */
399 srio_off = fdt_node_offset_by_compatible(blob, -1, "fsl,srio");
404 if (is_serdes_configured(SRIO1))
408 if (is_serdes_configured(SRIO2))
412 /* mark port1 disabled */
414 ft_disable_srio_port(blob, srio_off, 1);
416 /* mark port2 disabled */
418 ft_disable_srio_port(blob, srio_off, 2);
420 /* if both ports not used, disable controller, rmu and rman */
421 if (!srio1_used && !srio2_used) {
422 fdt_setprop_string(blob, srio_off, "status", "disabled");
424 ft_disable_rman(blob);
425 ft_disable_rmu(blob);