2 * Copyright 2007-2011 Freescale Semiconductor, Inc.
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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>
29 #include <asm/processor.h>
30 #include <linux/ctype.h>
32 #include <asm/fsl_portals.h>
33 #ifdef CONFIG_FSL_ESDHC
34 #include <fsl_esdhc.h>
36 #include "../../../../drivers/qe/qe.h" /* For struct qe_firmware */
38 DECLARE_GLOBAL_DATA_PTR;
40 extern void ft_qe_setup(void *blob);
41 extern void ft_fixup_num_cores(void *blob);
42 extern void ft_srio_setup(void *blob);
47 void ft_fixup_cpu(void *blob, u64 memory_limit)
50 ulong spin_tbl_addr = get_spin_phys_addr();
51 u32 bootpg = determine_mp_bootpg();
53 const char *enable_method;
55 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
56 while (off != -FDT_ERR_NOTFOUND) {
57 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
60 u64 val = *reg * SIZE_BOOT_ENTRY + spin_tbl_addr;
61 val = cpu_to_fdt32(val);
63 fdt_setprop_string(blob, off, "status",
66 fdt_setprop_string(blob, off, "status",
70 if (hold_cores_in_reset(0)) {
71 #ifdef CONFIG_FSL_CORENET
72 /* Cores held in reset, use BRR to release */
73 enable_method = "fsl,brr-holdoff";
75 /* Cores held in reset, use EEBPCR to release */
76 enable_method = "fsl,eebpcr-holdoff";
79 /* Cores out of reset and in a spin-loop */
80 enable_method = "spin-table";
82 fdt_setprop(blob, off, "cpu-release-addr",
86 fdt_setprop_string(blob, off, "enable-method",
89 printf ("cpu NULL\n");
91 off = fdt_node_offset_by_prop_value(blob, off,
92 "device_type", "cpu", 4);
95 /* Reserve the boot page so OSes dont use it */
96 if ((u64)bootpg < memory_limit) {
97 off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
99 printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
104 #ifdef CONFIG_SYS_FSL_CPC
105 static inline void ft_fixup_l3cache(void *blob, int off)
107 u32 line_size, num_ways, size, num_sets;
108 cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
109 u32 cfg0 = in_be32(&cpc->cpccfg0);
111 size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
112 num_ways = CPC_CFG0_NUM_WAYS(cfg0);
113 line_size = CPC_CFG0_LINE_SZ(cfg0);
114 num_sets = size / (line_size * num_ways);
116 fdt_setprop(blob, off, "cache-unified", NULL, 0);
117 fdt_setprop_cell(blob, off, "cache-block-size", line_size);
118 fdt_setprop_cell(blob, off, "cache-size", size);
119 fdt_setprop_cell(blob, off, "cache-sets", num_sets);
120 fdt_setprop_cell(blob, off, "cache-level", 3);
121 #ifdef CONFIG_SYS_CACHE_STASHING
122 fdt_setprop_cell(blob, off, "cache-stash-id", 1);
126 #define ft_fixup_l3cache(x, y)
129 #if defined(CONFIG_L2_CACHE)
130 /* return size in kilobytes */
131 static inline u32 l2cache_size(void)
133 volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
134 volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
135 u32 ver = SVR_SOC_VER(get_svr());
137 switch (l2siz_field) {
141 if (ver == SVR_8540 || ver == SVR_8560 ||
142 ver == SVR_8541 || ver == SVR_8541_E ||
143 ver == SVR_8555 || ver == SVR_8555_E)
149 if (ver == SVR_8540 || ver == SVR_8560 ||
150 ver == SVR_8541 || ver == SVR_8541_E ||
151 ver == SVR_8555 || ver == SVR_8555_E)
164 static inline void ft_fixup_l2cache(void *blob)
168 struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
170 const u32 line_size = 32;
171 const u32 num_ways = 8;
172 const u32 size = l2cache_size() * 1024;
173 const u32 num_sets = size / (line_size * num_ways);
175 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
177 debug("no cpu node fount\n");
181 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
184 debug("no next-level-cache property\n");
188 off = fdt_node_offset_by_phandle(blob, *ph);
190 printf("%s: %s\n", __func__, fdt_strerror(off));
197 if (isdigit(cpu->name[0])) {
198 /* MPCxxxx, where xxxx == 4-digit number */
199 len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
202 /* Pxxxx or Txxxx, where xxxx == 4-digit number */
203 len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
204 tolower(cpu->name[0]), cpu->name + 1) + 1;
208 * append "cache" after the NULL character that the previous
209 * sprintf wrote. This is how a device tree stores multiple
210 * strings in a property.
212 len += sprintf(buf + len, "cache") + 1;
214 fdt_setprop(blob, off, "compatible", buf, len);
216 fdt_setprop(blob, off, "cache-unified", NULL, 0);
217 fdt_setprop_cell(blob, off, "cache-block-size", line_size);
218 fdt_setprop_cell(blob, off, "cache-size", size);
219 fdt_setprop_cell(blob, off, "cache-sets", num_sets);
220 fdt_setprop_cell(blob, off, "cache-level", 2);
222 /* we dont bother w/L3 since no platform of this type has one */
224 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
225 static inline void ft_fixup_l2cache(void *blob)
227 int off, l2_off, l3_off = -1;
229 u32 l2cfg0 = mfspr(SPRN_L2CFG0);
230 u32 size, line_size, num_ways, num_sets;
232 size = (l2cfg0 & 0x3fff) * 64 * 1024;
233 num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
234 line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
235 num_sets = size / (line_size * num_ways);
237 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
239 while (off != -FDT_ERR_NOTFOUND) {
240 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
243 debug("no next-level-cache property\n");
247 l2_off = fdt_node_offset_by_phandle(blob, *ph);
249 printf("%s: %s\n", __func__, fdt_strerror(off));
253 #ifdef CONFIG_SYS_CACHE_STASHING
255 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
257 fdt_setprop_cell(blob, l2_off, "cache-stash-id",
258 (*reg * 2) + 32 + 1);
262 fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
263 fdt_setprop_cell(blob, l2_off, "cache-block-size", line_size);
264 fdt_setprop_cell(blob, l2_off, "cache-size", size);
265 fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
266 fdt_setprop_cell(blob, l2_off, "cache-level", 2);
267 fdt_setprop(blob, l2_off, "compatible", "cache", 6);
270 ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
273 debug("no next-level-cache property\n");
279 off = fdt_node_offset_by_prop_value(blob, off,
280 "device_type", "cpu", 4);
283 l3_off = fdt_node_offset_by_phandle(blob, l3_off);
285 printf("%s: %s\n", __func__, fdt_strerror(off));
288 ft_fixup_l3cache(blob, l3_off);
292 #define ft_fixup_l2cache(x)
295 static inline void ft_fixup_cache(void *blob)
299 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
301 while (off != -FDT_ERR_NOTFOUND) {
302 u32 l1cfg0 = mfspr(SPRN_L1CFG0);
303 u32 l1cfg1 = mfspr(SPRN_L1CFG1);
304 u32 isize, iline_size, inum_sets, inum_ways;
305 u32 dsize, dline_size, dnum_sets, dnum_ways;
308 dsize = (l1cfg0 & 0x7ff) * 1024;
309 dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
310 dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
311 dnum_sets = dsize / (dline_size * dnum_ways);
313 fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
314 fdt_setprop_cell(blob, off, "d-cache-size", dsize);
315 fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
317 #ifdef CONFIG_SYS_CACHE_STASHING
319 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
321 fdt_setprop_cell(blob, off, "cache-stash-id",
322 (*reg * 2) + 32 + 0);
327 isize = (l1cfg1 & 0x7ff) * 1024;
328 inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
329 iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
330 inum_sets = isize / (iline_size * inum_ways);
332 fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
333 fdt_setprop_cell(blob, off, "i-cache-size", isize);
334 fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
336 off = fdt_node_offset_by_prop_value(blob, off,
337 "device_type", "cpu", 4);
340 ft_fixup_l2cache(blob);
344 void fdt_add_enet_stashing(void *fdt)
346 do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
348 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
350 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
351 do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
352 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
353 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
356 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
357 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
360 phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
361 int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
364 off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
366 printf("WARNING enable to set clock-frequency "
367 "for %s: %s\n", compat, fdt_strerror(off));
371 static void ft_fixup_dpaa_clks(void *blob)
375 get_sys_info(&sysinfo);
376 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
377 sysinfo.freqFMan[0]);
379 #if (CONFIG_SYS_NUM_FMAN == 2)
380 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
381 sysinfo.freqFMan[1]);
384 #ifdef CONFIG_SYS_DPAA_PME
385 do_fixup_by_compat_u32(blob, "fsl,pme",
386 "clock-frequency", sysinfo.freqPME, 1);
390 #define ft_fixup_dpaa_clks(x)
394 static void ft_fixup_qe_snum(void *blob)
398 svr = mfspr(SPRN_SVR);
399 if (SVR_SOC_VER(svr) == SVR_8569_E) {
400 if(IS_SVR_REV(svr, 1, 0))
401 do_fixup_by_compat_u32(blob, "fsl,qe",
402 "fsl,qe-num-snums", 46, 1);
404 do_fixup_by_compat_u32(blob, "fsl,qe",
405 "fsl,qe-num-snums", 76, 1);
411 * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
413 * The binding for an Fman firmware node is documented in
414 * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt. This node contains
415 * the actual Fman firmware binary data. The operating system is expected to
416 * be able to parse the binary data to determine any attributes it needs.
418 #ifdef CONFIG_SYS_DPAA_FMAN
419 void fdt_fixup_fman_firmware(void *blob)
421 int rc, fmnode, fwnode = -1;
423 struct qe_firmware *fmanfw;
424 const struct qe_header *hdr;
429 /* The first Fman we find will contain the actual firmware. */
430 fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
432 /* Exit silently if there are no Fman devices */
435 /* If we already have a firmware node, then also exit silently. */
436 if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
439 /* If the environment variable is not set, then exit silently */
440 p = getenv("fman_ucode");
444 fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
448 hdr = &fmanfw->header;
449 length = be32_to_cpu(hdr->length);
451 /* Verify the firmware. */
452 if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
453 (hdr->magic[2] != 'F')) {
454 printf("Data at %p is not an Fman firmware\n", fmanfw);
458 if (length > CONFIG_SYS_FMAN_FW_LENGTH) {
459 printf("Fman firmware at %p is too large (size=%u)\n",
464 length -= sizeof(u32); /* Subtract the size of the CRC */
465 crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
466 if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
467 printf("Fman firmware at %p has invalid CRC\n", fmanfw);
471 /* Increase the size of the fdt to make room for the node. */
472 rc = fdt_increase_size(blob, fmanfw->header.length);
474 printf("Unable to make room for Fman firmware: %s\n",
479 /* Create the firmware node. */
480 fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
483 fdt_get_path(blob, fmnode, s, sizeof(s));
484 printf("Could not add firmware node to %s: %s\n", s,
485 fdt_strerror(fwnode));
488 rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
491 fdt_get_path(blob, fwnode, s, sizeof(s));
492 printf("Could not add compatible property to node %s: %s\n", s,
496 phandle = fdt_alloc_phandle(blob);
497 rc = fdt_setprop_cell(blob, fwnode, "linux,phandle", phandle);
500 fdt_get_path(blob, fwnode, s, sizeof(s));
501 printf("Could not add phandle property to node %s: %s\n", s,
505 rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
508 fdt_get_path(blob, fwnode, s, sizeof(s));
509 printf("Could not add firmware property to node %s: %s\n", s,
514 /* Find all other Fman nodes and point them to the firmware node. */
515 while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
516 rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
519 fdt_get_path(blob, fmnode, s, sizeof(s));
520 printf("Could not add pointer property to node %s: %s\n",
521 s, fdt_strerror(rc));
527 #define fdt_fixup_fman_firmware(x)
530 void ft_cpu_setup(void *blob, bd_t *bd)
536 /* delete crypto node if not on an E-processor */
537 if (!IS_E_PROCESSOR(get_svr()))
538 fdt_fixup_crypto_node(blob, 0);
540 fdt_fixup_ethernet(blob);
542 fdt_add_enet_stashing(blob);
544 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
545 "timebase-frequency", get_tbclk(), 1);
546 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
547 "bus-frequency", bd->bi_busfreq, 1);
548 get_sys_info(&sysinfo);
549 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
550 while (off != -FDT_ERR_NOTFOUND) {
551 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
552 val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
553 fdt_setprop(blob, off, "clock-frequency", &val, 4);
554 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
557 do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
558 "bus-frequency", bd->bi_busfreq, 1);
560 do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
561 "bus-frequency", gd->lbc_clk, 1);
562 do_fixup_by_compat_u32(blob, "fsl,elbc",
563 "bus-frequency", gd->lbc_clk, 1);
566 ft_fixup_qe_snum(blob);
569 fdt_fixup_fman_firmware(blob);
571 #ifdef CONFIG_SYS_NS16550
572 do_fixup_by_compat_u32(blob, "ns16550",
573 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
577 do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
578 "current-speed", bd->bi_baudrate, 1);
580 do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
581 "clock-frequency", bd->bi_brgfreq, 1);
584 #ifdef CONFIG_FSL_CORENET
585 do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
586 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
589 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
592 ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
593 ft_fixup_num_cores(blob);
596 ft_fixup_cache(blob);
598 #if defined(CONFIG_FSL_ESDHC)
599 fdt_fixup_esdhc(blob, bd);
602 ft_fixup_dpaa_clks(blob);
604 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
605 fdt_portal(blob, "fsl,bman-portal", "bman-portals",
606 (u64)CONFIG_SYS_BMAN_MEM_PHYS,
607 CONFIG_SYS_BMAN_MEM_SIZE);
608 fdt_fixup_bportals(blob);
611 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
612 fdt_portal(blob, "fsl,qman-portal", "qman-portals",
613 (u64)CONFIG_SYS_QMAN_MEM_PHYS,
614 CONFIG_SYS_QMAN_MEM_SIZE);
616 fdt_fixup_qportals(blob);
619 #ifdef CONFIG_SYS_SRIO
624 * system-clock = CCB clock/2
625 * Here gd->bus_clk = CCB clock
626 * We are using the system clock as 1588 Timer reference
627 * clock source select
629 do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
630 "timer-frequency", gd->bus_clk/2, 1);