2 * Copyright 2007-2011 Freescale Semiconductor, Inc.
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <fdt_support.h>
13 #include <asm/processor.h>
14 #include <linux/ctype.h>
16 #include <asm/fsl_portals.h>
18 #ifdef CONFIG_FSL_ESDHC
19 #include <fsl_esdhc.h>
21 #include "../../../../drivers/qe/qe.h" /* For struct qe_firmware */
23 DECLARE_GLOBAL_DATA_PTR;
25 extern void ft_qe_setup(void *blob);
26 extern void ft_fixup_num_cores(void *blob);
27 extern void ft_srio_setup(void *blob);
32 void ft_fixup_cpu(void *blob, u64 memory_limit)
35 phys_addr_t spin_tbl_addr = get_spin_phys_addr();
36 u32 bootpg = determine_mp_bootpg(NULL);
38 const char *enable_method;
39 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
41 int tdm_hwconfig_enabled = 0;
42 char buffer[HWCONFIG_BUFFER_SIZE] = {0};
45 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
46 while (off != -FDT_ERR_NOTFOUND) {
47 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
50 u32 phys_cpu_id = thread_to_core(*reg);
51 u64 val = phys_cpu_id * SIZE_BOOT_ENTRY + spin_tbl_addr;
52 val = cpu_to_fdt64(val);
54 fdt_setprop_string(blob, off, "status",
57 fdt_setprop_string(blob, off, "status",
61 if (hold_cores_in_reset(0)) {
62 #ifdef CONFIG_FSL_CORENET
63 /* Cores held in reset, use BRR to release */
64 enable_method = "fsl,brr-holdoff";
66 /* Cores held in reset, use EEBPCR to release */
67 enable_method = "fsl,eebpcr-holdoff";
70 /* Cores out of reset and in a spin-loop */
71 enable_method = "spin-table";
73 fdt_setprop(blob, off, "cpu-release-addr",
77 fdt_setprop_string(blob, off, "enable-method",
80 printf ("cpu NULL\n");
82 off = fdt_node_offset_by_prop_value(blob, off,
83 "device_type", "cpu", 4);
86 #if defined(T1040_TDM_QUIRK_CCSR_BASE)
87 #define CONFIG_MEM_HOLE_16M 0x1000000
89 * Extract hwconfig from environment.
90 * Search for tdm entry in hwconfig.
92 ret = getenv_f("hwconfig", buffer, sizeof(buffer));
94 tdm_hwconfig_enabled = hwconfig_f("tdm", buffer);
96 /* Reserve the memory hole created by TDM LAW, so OSes dont use it */
97 if (tdm_hwconfig_enabled) {
98 off = fdt_add_mem_rsv(blob, T1040_TDM_QUIRK_CCSR_BASE,
101 printf("Failed to reserve memory for tdm: %s\n",
106 /* Reserve the boot page so OSes dont use it */
107 if ((u64)bootpg < memory_limit) {
108 off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
110 printf("Failed to reserve memory for bootpg: %s\n",
114 #ifndef CONFIG_MPC8xxx_DISABLE_BPTR
116 * Reserve the default boot page so OSes dont use it.
117 * The default boot page is always mapped to bootpg above using
118 * boot page translation.
120 if (0xfffff000ull < memory_limit) {
121 off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096);
123 printf("Failed to reserve memory for 0xfffff000: %s\n",
129 /* Reserve spin table page */
130 if (spin_tbl_addr < memory_limit) {
131 off = fdt_add_mem_rsv(blob,
132 (spin_tbl_addr & ~0xffful), 4096);
134 printf("Failed to reserve memory for spin table: %s\n",
137 #ifdef CONFIG_DEEP_SLEEP
138 #ifdef CONFIG_SPL_MMC_BOOT
139 off = fdt_add_mem_rsv(blob, CONFIG_SYS_MMC_U_BOOT_START,
140 CONFIG_SYS_MMC_U_BOOT_SIZE);
142 printf("Failed to reserve memory for SD deep sleep: %s\n",
144 #elif defined(CONFIG_SPL_SPI_BOOT)
145 off = fdt_add_mem_rsv(blob, CONFIG_SYS_SPI_FLASH_U_BOOT_START,
146 CONFIG_SYS_SPI_FLASH_U_BOOT_SIZE);
148 printf("Failed to reserve memory for SPI deep sleep: %s\n",
155 #ifdef CONFIG_SYS_FSL_CPC
156 static inline void ft_fixup_l3cache(void *blob, int off)
158 u32 line_size, num_ways, size, num_sets;
159 cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR;
160 u32 cfg0 = in_be32(&cpc->cpccfg0);
162 size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC;
163 num_ways = CPC_CFG0_NUM_WAYS(cfg0);
164 line_size = CPC_CFG0_LINE_SZ(cfg0);
165 num_sets = size / (line_size * num_ways);
167 fdt_setprop(blob, off, "cache-unified", NULL, 0);
168 fdt_setprop_cell(blob, off, "cache-block-size", line_size);
169 fdt_setprop_cell(blob, off, "cache-size", size);
170 fdt_setprop_cell(blob, off, "cache-sets", num_sets);
171 fdt_setprop_cell(blob, off, "cache-level", 3);
172 #ifdef CONFIG_SYS_CACHE_STASHING
173 fdt_setprop_cell(blob, off, "cache-stash-id", 1);
177 #define ft_fixup_l3cache(x, y)
180 #if defined(CONFIG_L2_CACHE)
181 /* return size in kilobytes */
182 static inline u32 l2cache_size(void)
184 volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
185 volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3;
186 u32 ver = SVR_SOC_VER(get_svr());
188 switch (l2siz_field) {
192 if (ver == SVR_8540 || ver == SVR_8560 ||
193 ver == SVR_8541 || ver == SVR_8555)
199 if (ver == SVR_8540 || ver == SVR_8560 ||
200 ver == SVR_8541 || ver == SVR_8555)
213 static inline void ft_fixup_l2cache(void *blob)
217 struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
219 const u32 line_size = 32;
220 const u32 num_ways = 8;
221 const u32 size = l2cache_size() * 1024;
222 const u32 num_sets = size / (line_size * num_ways);
224 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
226 debug("no cpu node fount\n");
230 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
233 debug("no next-level-cache property\n");
237 off = fdt_node_offset_by_phandle(blob, *ph);
239 printf("%s: %s\n", __func__, fdt_strerror(off));
246 if (isdigit(cpu->name[0])) {
247 /* MPCxxxx, where xxxx == 4-digit number */
248 len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
251 /* Pxxxx or Txxxx, where xxxx == 4-digit number */
252 len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
253 tolower(cpu->name[0]), cpu->name + 1) + 1;
257 * append "cache" after the NULL character that the previous
258 * sprintf wrote. This is how a device tree stores multiple
259 * strings in a property.
261 len += sprintf(buf + len, "cache") + 1;
263 fdt_setprop(blob, off, "compatible", buf, len);
265 fdt_setprop(blob, off, "cache-unified", NULL, 0);
266 fdt_setprop_cell(blob, off, "cache-block-size", line_size);
267 fdt_setprop_cell(blob, off, "cache-size", size);
268 fdt_setprop_cell(blob, off, "cache-sets", num_sets);
269 fdt_setprop_cell(blob, off, "cache-level", 2);
271 /* we dont bother w/L3 since no platform of this type has one */
273 #elif defined(CONFIG_BACKSIDE_L2_CACHE) || \
274 defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2)
275 static inline void ft_fixup_l2cache(void *blob)
277 int off, l2_off, l3_off = -1;
279 #ifdef CONFIG_BACKSIDE_L2_CACHE
280 u32 l2cfg0 = mfspr(SPRN_L2CFG0);
282 struct ccsr_cluster_l2 *l2cache =
283 (struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2);
284 u32 l2cfg0 = in_be32(&l2cache->l2cfg0);
286 u32 size, line_size, num_ways, num_sets;
289 /* P2040/P2040E has no L2, so dont set any L2 props */
290 if (SVR_SOC_VER(get_svr()) == SVR_P2040)
293 size = (l2cfg0 & 0x3fff) * 64 * 1024;
294 num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
295 line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
296 num_sets = size / (line_size * num_ways);
298 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
300 while (off != -FDT_ERR_NOTFOUND) {
301 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
304 debug("no next-level-cache property\n");
308 l2_off = fdt_node_offset_by_phandle(blob, *ph);
310 printf("%s: %s\n", __func__, fdt_strerror(off));
315 #ifdef CONFIG_SYS_CACHE_STASHING
316 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
317 #if defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) && defined(CONFIG_E6500)
318 /* Only initialize every eighth thread */
319 if (reg && !((*reg) % 8)) {
320 fdt_setprop_cell(blob, l2_off, "cache-stash-id",
321 (*reg / 4) + 32 + 1);
325 fdt_setprop_cell(blob, l2_off, "cache-stash-id",
326 (*reg * 2) + 32 + 1);
331 fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
332 fdt_setprop_cell(blob, l2_off, "cache-block-size",
334 fdt_setprop_cell(blob, l2_off, "cache-size", size);
335 fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
336 fdt_setprop_cell(blob, l2_off, "cache-level", 2);
337 fdt_setprop(blob, l2_off, "compatible", "cache", 6);
341 ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
344 debug("no next-level-cache property\n");
350 off = fdt_node_offset_by_prop_value(blob, off,
351 "device_type", "cpu", 4);
354 l3_off = fdt_node_offset_by_phandle(blob, l3_off);
356 printf("%s: %s\n", __func__, fdt_strerror(off));
359 ft_fixup_l3cache(blob, l3_off);
363 #define ft_fixup_l2cache(x)
366 static inline void ft_fixup_cache(void *blob)
370 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
372 while (off != -FDT_ERR_NOTFOUND) {
373 u32 l1cfg0 = mfspr(SPRN_L1CFG0);
374 u32 l1cfg1 = mfspr(SPRN_L1CFG1);
375 u32 isize, iline_size, inum_sets, inum_ways;
376 u32 dsize, dline_size, dnum_sets, dnum_ways;
379 dsize = (l1cfg0 & 0x7ff) * 1024;
380 dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
381 dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
382 dnum_sets = dsize / (dline_size * dnum_ways);
384 fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
385 fdt_setprop_cell(blob, off, "d-cache-size", dsize);
386 fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
388 #ifdef CONFIG_SYS_CACHE_STASHING
390 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
392 fdt_setprop_cell(blob, off, "cache-stash-id",
393 (*reg * 2) + 32 + 0);
398 isize = (l1cfg1 & 0x7ff) * 1024;
399 inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
400 iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
401 inum_sets = isize / (iline_size * inum_ways);
403 fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
404 fdt_setprop_cell(blob, off, "i-cache-size", isize);
405 fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
407 off = fdt_node_offset_by_prop_value(blob, off,
408 "device_type", "cpu", 4);
411 ft_fixup_l2cache(blob);
415 void fdt_add_enet_stashing(void *fdt)
417 do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
419 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
421 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
422 do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
423 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
424 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
427 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
428 #ifdef CONFIG_SYS_DPAA_FMAN
429 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
432 phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
433 int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
436 off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
438 printf("WARNING enable to set clock-frequency "
439 "for %s: %s\n", compat, fdt_strerror(off));
444 static void ft_fixup_dpaa_clks(void *blob)
448 get_sys_info(&sysinfo);
449 #ifdef CONFIG_SYS_DPAA_FMAN
450 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
451 sysinfo.freq_fman[0]);
453 #if (CONFIG_SYS_NUM_FMAN == 2)
454 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
455 sysinfo.freq_fman[1]);
459 #ifdef CONFIG_SYS_DPAA_QBMAN
460 do_fixup_by_compat_u32(blob, "fsl,qman",
461 "clock-frequency", sysinfo.freq_qman, 1);
464 #ifdef CONFIG_SYS_DPAA_PME
465 do_fixup_by_compat_u32(blob, "fsl,pme",
466 "clock-frequency", sysinfo.freq_pme, 1);
470 #define ft_fixup_dpaa_clks(x)
474 static void ft_fixup_qe_snum(void *blob)
478 svr = mfspr(SPRN_SVR);
479 if (SVR_SOC_VER(svr) == SVR_8569) {
480 if(IS_SVR_REV(svr, 1, 0))
481 do_fixup_by_compat_u32(blob, "fsl,qe",
482 "fsl,qe-num-snums", 46, 1);
484 do_fixup_by_compat_u32(blob, "fsl,qe",
485 "fsl,qe-num-snums", 76, 1);
491 * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
493 * The binding for an Fman firmware node is documented in
494 * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt. This node contains
495 * the actual Fman firmware binary data. The operating system is expected to
496 * be able to parse the binary data to determine any attributes it needs.
498 #ifdef CONFIG_SYS_DPAA_FMAN
499 void fdt_fixup_fman_firmware(void *blob)
501 int rc, fmnode, fwnode = -1;
503 struct qe_firmware *fmanfw;
504 const struct qe_header *hdr;
509 /* The first Fman we find will contain the actual firmware. */
510 fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
512 /* Exit silently if there are no Fman devices */
515 /* If we already have a firmware node, then also exit silently. */
516 if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
519 /* If the environment variable is not set, then exit silently */
520 p = getenv("fman_ucode");
524 fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 16);
528 hdr = &fmanfw->header;
529 length = be32_to_cpu(hdr->length);
531 /* Verify the firmware. */
532 if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
533 (hdr->magic[2] != 'F')) {
534 printf("Data at %p is not an Fman firmware\n", fmanfw);
538 if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) {
539 printf("Fman firmware at %p is too large (size=%u)\n",
544 length -= sizeof(u32); /* Subtract the size of the CRC */
545 crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
546 if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
547 printf("Fman firmware at %p has invalid CRC\n", fmanfw);
551 /* Increase the size of the fdt to make room for the node. */
552 rc = fdt_increase_size(blob, fmanfw->header.length);
554 printf("Unable to make room for Fman firmware: %s\n",
559 /* Create the firmware node. */
560 fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
563 fdt_get_path(blob, fmnode, s, sizeof(s));
564 printf("Could not add firmware node to %s: %s\n", s,
565 fdt_strerror(fwnode));
568 rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
571 fdt_get_path(blob, fwnode, s, sizeof(s));
572 printf("Could not add compatible property to node %s: %s\n", s,
576 phandle = fdt_create_phandle(blob, fwnode);
579 fdt_get_path(blob, fwnode, s, sizeof(s));
580 printf("Could not add phandle property to node %s: %s\n", s,
584 rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
587 fdt_get_path(blob, fwnode, s, sizeof(s));
588 printf("Could not add firmware property to node %s: %s\n", s,
593 /* Find all other Fman nodes and point them to the firmware node. */
594 while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
595 rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
598 fdt_get_path(blob, fmnode, s, sizeof(s));
599 printf("Could not add pointer property to node %s: %s\n",
600 s, fdt_strerror(rc));
606 #define fdt_fixup_fman_firmware(x)
609 #if defined(CONFIG_PPC_P4080)
610 static void fdt_fixup_usb(void *fdt)
612 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
613 u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
616 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph");
617 if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) !=
618 FSL_CORENET_RCWSR11_EC1_FM1_USB1)
619 fdt_status_disabled(fdt, off);
621 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr");
622 if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) !=
623 FSL_CORENET_RCWSR11_EC2_USB2)
624 fdt_status_disabled(fdt, off);
627 #define fdt_fixup_usb(x)
630 #if defined(CONFIG_PPC_T2080) || defined(CONFIG_PPC_T4240) || \
631 defined(CONFIG_PPC_T4160) || defined(CONFIG_PPC_T4080)
632 void fdt_fixup_dma3(void *blob)
634 /* the 3rd DMA is not functional if SRIO2 is chosen */
636 ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
638 #define CONFIG_SYS_ELO3_DMA3 (0xffe000000 + 0x102300)
639 #if defined(CONFIG_PPC_T2080)
640 u32 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
641 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
642 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
644 switch (srds_prtcl_s2) {
648 #elif defined(CONFIG_PPC_T4240) || defined(CONFIG_PPC_T4160) || \
649 defined(CONFIG_PPC_T4080)
650 u32 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
651 FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
652 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
654 switch (srds_prtcl_s4) {
660 nodeoff = fdt_node_offset_by_compat_reg(blob, "fsl,elo3-dma",
661 CONFIG_SYS_ELO3_DMA3);
663 fdt_status_disabled(blob, nodeoff);
665 printf("WARNING: unable to disable dma3\n");
672 #define fdt_fixup_dma3(x)
675 #if defined(CONFIG_PPC_T1040)
676 static void fdt_fixup_l2_switch(void *blob)
681 /* The l2switch node from device-tree has
682 * compatible string "vitesse-9953" */
683 node = fdt_node_offset_by_compatible(blob, -1, "vitesse-9953");
684 if (node == -FDT_ERR_NOTFOUND)
685 /* no l2switch node has been found */
688 /* Get MAC address for the l2switch from "l2switchaddr"*/
689 if (!eth_getenv_enetaddr("l2switchaddr", l2swaddr)) {
690 printf("Warning: MAC address for l2switch not found\n");
691 memset(l2swaddr, 0, sizeof(l2swaddr));
694 /* Add MAC address to l2switch node */
695 fdt_setprop(blob, node, "local-mac-address", l2swaddr,
699 #define fdt_fixup_l2_switch(x)
702 void ft_cpu_setup(void *blob, bd_t *bd)
709 /* delete crypto node if not on an E-processor */
710 if (!IS_E_PROCESSOR(get_svr()))
711 fdt_fixup_crypto_node(blob, 0);
712 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
714 ccsr_sec_t __iomem *sec;
716 sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
717 fdt_fixup_crypto_node(blob, in_be32(&sec->secvid_ms));
721 fdt_fixup_ethernet(blob);
723 fdt_add_enet_stashing(blob);
725 #ifndef CONFIG_FSL_TBCLK_EXTRA_DIV
726 #define CONFIG_FSL_TBCLK_EXTRA_DIV 1
728 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
729 "timebase-frequency", get_tbclk() / CONFIG_FSL_TBCLK_EXTRA_DIV,
731 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
732 "bus-frequency", bd->bi_busfreq, 1);
733 get_sys_info(&sysinfo);
734 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
735 while (off != -FDT_ERR_NOTFOUND) {
736 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", &len);
737 val = cpu_to_fdt32(sysinfo.freq_processor[(*reg) / (len / 4)]);
738 fdt_setprop(blob, off, "clock-frequency", &val, 4);
739 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
742 do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
743 "bus-frequency", bd->bi_busfreq, 1);
745 do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
746 "bus-frequency", gd->arch.lbc_clk, 1);
747 do_fixup_by_compat_u32(blob, "fsl,elbc",
748 "bus-frequency", gd->arch.lbc_clk, 1);
751 ft_fixup_qe_snum(blob);
754 fdt_fixup_fman_firmware(blob);
756 #ifdef CONFIG_SYS_NS16550
757 do_fixup_by_compat_u32(blob, "ns16550",
758 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
762 do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
763 "current-speed", gd->baudrate, 1);
765 do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
766 "clock-frequency", bd->bi_brgfreq, 1);
769 #ifdef CONFIG_FSL_CORENET
770 do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
771 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
772 do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-2.0",
773 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
774 do_fixup_by_compat_u32(blob, "fsl,mpic",
775 "clock-frequency", get_bus_freq(0)/2, 1);
777 do_fixup_by_compat_u32(blob, "fsl,mpic",
778 "clock-frequency", get_bus_freq(0), 1);
781 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
784 ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
785 ft_fixup_num_cores(blob);
788 ft_fixup_cache(blob);
790 #if defined(CONFIG_FSL_ESDHC)
791 fdt_fixup_esdhc(blob, bd);
794 ft_fixup_dpaa_clks(blob);
796 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
797 fdt_portal(blob, "fsl,bman-portal", "bman-portals",
798 (u64)CONFIG_SYS_BMAN_MEM_PHYS,
799 CONFIG_SYS_BMAN_MEM_SIZE);
800 fdt_fixup_bportals(blob);
803 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
804 fdt_portal(blob, "fsl,qman-portal", "qman-portals",
805 (u64)CONFIG_SYS_QMAN_MEM_PHYS,
806 CONFIG_SYS_QMAN_MEM_SIZE);
808 fdt_fixup_qportals(blob);
811 #ifdef CONFIG_SYS_SRIO
816 * system-clock = CCB clock/2
817 * Here gd->bus_clk = CCB clock
818 * We are using the system clock as 1588 Timer reference
819 * clock source select
821 do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
822 "timer-frequency", gd->bus_clk/2, 1);
825 * clock-freq should change to clock-frequency and
826 * flexcan-v1.0 should change to p1010-flexcan respectively
829 do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
830 "clock_freq", gd->bus_clk/2, 1);
832 do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
833 "clock-frequency", gd->bus_clk/2, 1);
835 do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan",
836 "clock-frequency", gd->bus_clk/2, 1);
840 fdt_fixup_l2_switch(blob);
842 fdt_fixup_dma3(blob);
846 * For some CCSR devices, we only have the virtual address, not the physical
847 * address. This is because we map CCSR as a whole, so we typically don't need
848 * a macro for the physical address of any device within CCSR. In this case,
849 * we calculate the physical address of that device using it's the difference
850 * between the virtual address of the device and the virtual address of the
853 #define CCSR_VIRT_TO_PHYS(x) \
854 (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
856 static void msg(const char *name, uint64_t uaddr, uint64_t daddr)
858 printf("Warning: U-Boot configured %s at address %llx,\n"
859 "but the device tree has it at %llx\n", name, uaddr, daddr);
863 * Verify the device tree
865 * This function compares several CONFIG_xxx macros that contain physical
866 * addresses with the corresponding nodes in the device tree, to see if
867 * the physical addresses are all correct. For example, if
868 * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
869 * of the first UART. We convert this to a physical address and compare
870 * that with the physical address of the first ns16550-compatible node
871 * in the device tree. If they don't match, then we display a warning.
873 * Returns 1 on success, 0 on failure
875 int ft_verify_fdt(void *fdt)
881 /* First check the CCSR base address */
882 off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
884 addr = fdt_get_base_address(fdt, off);
887 printf("Warning: could not determine base CCSR address in "
889 /* No point in checking anything else */
893 if (addr != CONFIG_SYS_CCSRBAR_PHYS) {
894 msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr);
895 /* No point in checking anything else */
900 * Check some nodes via aliases. We assume that U-Boot and the device
901 * tree enumerate the devices equally. E.g. the first serial port in
902 * U-Boot is the same as "serial0" in the device tree.
904 aliases = fdt_path_offset(fdt, "/aliases");
906 #ifdef CONFIG_SYS_NS16550_COM1
907 if (!fdt_verify_alias_address(fdt, aliases, "serial0",
908 CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
912 #ifdef CONFIG_SYS_NS16550_COM2
913 if (!fdt_verify_alias_address(fdt, aliases, "serial1",
914 CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
920 * The localbus node is typically a root node, even though the lbc
921 * controller is part of CCSR. If we were to put the lbc node under
922 * the SOC node, then the 'ranges' property in the lbc node would
923 * translate through the 'ranges' property of the parent SOC node, and
924 * we don't want that. Since it's a separate node, it's possible for
925 * the 'reg' property to be wrong, so check it here. For now, we
926 * only check for "fsl,elbc" nodes.
928 #ifdef CONFIG_SYS_LBC_ADDR
929 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc");
931 const fdt32_t *reg = fdt_getprop(fdt, off, "reg", NULL);
933 uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR);
935 addr = fdt_translate_address(fdt, off, reg);
937 msg("the localbus", uaddr, addr);