2 * Copyright 2007-2011 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 2 of the License, or (at your option)
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #include <asm/fsl_serdes.h>
24 DECLARE_GLOBAL_DATA_PTR;
27 * PCI/PCIE Controller initialization for mpc85xx/mpc86xx soc's
29 * Initialize controller and call the common driver/pci pci_hose_scan to
30 * scan for bridges and devices.
32 * Hose fields which need to be pre-initialized by board specific code:
42 #include <asm/fsl_pci.h>
44 /* Freescale-specific PCI config registers */
45 #define FSL_PCI_PBFR 0x44
46 #define FSL_PCIE_CAP_ID 0x4c
47 #define FSL_PCIE_CFG_RDY 0x4b0
48 #define FSL_PROG_IF_AGENT 0x1
50 #ifndef CONFIG_SYS_PCI_MEMORY_BUS
51 #define CONFIG_SYS_PCI_MEMORY_BUS 0
54 #ifndef CONFIG_SYS_PCI_MEMORY_PHYS
55 #define CONFIG_SYS_PCI_MEMORY_PHYS 0
58 #if defined(CONFIG_SYS_PCI_64BIT) && !defined(CONFIG_SYS_PCI64_MEMORY_BUS)
59 #define CONFIG_SYS_PCI64_MEMORY_BUS (64ull*1024*1024*1024)
62 /* Setup one inbound ATMU window.
64 * We let the caller decide what the window size should be
66 static void set_inbound_window(volatile pit_t *pi,
70 u32 sz = (__ilog2_u64(size) - 1);
71 u32 flag = PIWAR_EN | PIWAR_LOCAL |
72 PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP;
74 out_be32(&pi->pitar, r->phys_start >> 12);
75 out_be32(&pi->piwbar, r->bus_start >> 12);
76 #ifdef CONFIG_SYS_PCI_64BIT
77 out_be32(&pi->piwbear, r->bus_start >> 44);
79 out_be32(&pi->piwbear, 0);
81 if (r->flags & PCI_REGION_PREFETCH)
83 out_be32(&pi->piwar, flag | sz);
86 int fsl_setup_hose(struct pci_controller *hose, unsigned long addr)
88 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) addr;
90 /* Reset hose to make sure its in a clean state */
91 memset(hose, 0, sizeof(struct pci_controller));
93 pci_setup_indirect(hose, (u32)&pci->cfg_addr, (u32)&pci->cfg_data);
95 return fsl_is_pci_agent(hose);
98 static int fsl_pci_setup_inbound_windows(struct pci_controller *hose,
99 u64 out_lo, u8 pcie_cap,
102 struct pci_region *r = hose->regions + hose->region_count;
103 u64 sz = min((u64)gd->ram_size, (1ull << 32));
105 phys_addr_t phys_start = CONFIG_SYS_PCI_MEMORY_PHYS;
106 pci_addr_t bus_start = CONFIG_SYS_PCI_MEMORY_BUS;
109 /* we have no space available for inbound memory mapping */
110 if (bus_start > out_lo) {
111 printf ("no space for inbound mapping of memory\n");
116 if ((bus_start + sz) > out_lo) {
117 sz = out_lo - bus_start;
118 debug ("limiting size to %llx\n", sz);
121 pci_sz = 1ull << __ilog2_u64(sz);
123 * we can overlap inbound/outbound windows on PCI-E since RX & TX
126 if ((pcie_cap == PCI_CAP_ID_EXP) && (pci_sz < sz)) {
127 debug ("R0 bus_start: %llx phys_start: %llx size: %llx\n",
128 (u64)bus_start, (u64)phys_start, (u64)sz);
129 pci_set_region(r, bus_start, phys_start, sz,
130 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY |
131 PCI_REGION_PREFETCH);
133 /* if we aren't an exact power of two match, pci_sz is smaller
134 * round it up to the next power of two. We report the actual
135 * size to pci region tracking.
138 sz = 2ull << __ilog2_u64(sz);
140 set_inbound_window(pi--, r++, sz);
141 sz = 0; /* make sure we dont set the R2 window */
143 debug ("R0 bus_start: %llx phys_start: %llx size: %llx\n",
144 (u64)bus_start, (u64)phys_start, (u64)pci_sz);
145 pci_set_region(r, bus_start, phys_start, pci_sz,
146 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY |
147 PCI_REGION_PREFETCH);
148 set_inbound_window(pi--, r++, pci_sz);
152 phys_start += pci_sz;
154 pci_sz = 1ull << __ilog2_u64(sz);
156 debug ("R1 bus_start: %llx phys_start: %llx size: %llx\n",
157 (u64)bus_start, (u64)phys_start, (u64)pci_sz);
158 pci_set_region(r, bus_start, phys_start, pci_sz,
159 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY |
160 PCI_REGION_PREFETCH);
161 set_inbound_window(pi--, r++, pci_sz);
164 phys_start += pci_sz;
168 #if defined(CONFIG_PHYS_64BIT) && defined(CONFIG_SYS_PCI_64BIT)
170 * On 64-bit capable systems, set up a mapping for all of DRAM
171 * in high pci address space.
173 pci_sz = 1ull << __ilog2_u64(gd->ram_size);
174 /* round up to the next largest power of two */
175 if (gd->ram_size > pci_sz)
176 pci_sz = 1ull << (__ilog2_u64(gd->ram_size) + 1);
177 debug ("R64 bus_start: %llx phys_start: %llx size: %llx\n",
178 (u64)CONFIG_SYS_PCI64_MEMORY_BUS,
179 (u64)CONFIG_SYS_PCI_MEMORY_PHYS,
182 CONFIG_SYS_PCI64_MEMORY_BUS,
183 CONFIG_SYS_PCI_MEMORY_PHYS,
185 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY |
186 PCI_REGION_PREFETCH);
187 set_inbound_window(pi--, r++, pci_sz);
189 pci_sz = 1ull << __ilog2_u64(sz);
191 debug ("R2 bus_start: %llx phys_start: %llx size: %llx\n",
192 (u64)bus_start, (u64)phys_start, (u64)pci_sz);
193 pci_set_region(r, bus_start, phys_start, pci_sz,
194 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY |
195 PCI_REGION_PREFETCH);
198 phys_start += pci_sz;
199 set_inbound_window(pi--, r++, pci_sz);
203 #ifdef CONFIG_PHYS_64BIT
204 if (sz && (((u64)gd->ram_size) < (1ull << 32)))
205 printf("Was not able to map all of memory via "
206 "inbound windows -- %lld remaining\n", sz);
209 hose->region_count = r - hose->regions;
214 #ifdef CONFIG_FSL_CORENET
215 static void fsl_pcie_boot_master(pit_t *pi)
217 /* configure inbound window for slave's u-boot image */
218 debug("PCIEBOOT - MASTER: Inbound window for slave's image; "
219 "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
220 (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
221 (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS1,
222 CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
223 struct pci_region r_inbound;
224 u32 sz_inbound = __ilog2_u64(CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE)
226 pci_set_region(&r_inbound,
227 CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS1,
228 CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
230 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
232 set_inbound_window(pi--, &r_inbound,
233 CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
235 /* configure inbound window for slave's u-boot image */
236 debug("PCIEBOOT - MASTER: Inbound window for slave's image; "
237 "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
238 (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
239 (u64)CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS2,
240 CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
241 pci_set_region(&r_inbound,
242 CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_BUS2,
243 CONFIG_SRIO_PCIE_BOOT_IMAGE_MEM_PHYS,
245 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
247 set_inbound_window(pi--, &r_inbound,
248 CONFIG_SRIO_PCIE_BOOT_IMAGE_SIZE);
250 /* configure inbound window for slave's ucode and ENV */
251 debug("PCIEBOOT - MASTER: Inbound window for slave's "
253 "Local = 0x%llx, Bus = 0x%llx, Size = 0x%x\n",
254 (u64)CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_PHYS,
255 (u64)CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_BUS,
256 CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE);
257 sz_inbound = __ilog2_u64(CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE)
259 pci_set_region(&r_inbound,
260 CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_BUS,
261 CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_MEM_PHYS,
263 PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
265 set_inbound_window(pi--, &r_inbound,
266 CONFIG_SRIO_PCIE_BOOT_UCODE_ENV_SIZE);
269 static void fsl_pcie_boot_master_release_slave(int port)
271 unsigned long release_addr;
273 /* now release slave's core 0 */
276 release_addr = CONFIG_SYS_PCIE1_MEM_VIRT
277 + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
280 release_addr = CONFIG_SYS_PCIE2_MEM_VIRT
281 + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
284 release_addr = CONFIG_SYS_PCIE3_MEM_VIRT
285 + CONFIG_SRIO_PCIE_BOOT_BRR_OFFSET;
291 if (release_addr != 0) {
292 out_be32((void *)release_addr,
293 CONFIG_SRIO_PCIE_BOOT_RELEASE_MASK);
294 debug("PCIEBOOT - MASTER: "
295 "Release slave successfully! Now the slave should start up!\n");
297 debug("PCIEBOOT - MASTER: "
298 "Release slave failed!\n");
303 void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info)
305 u32 cfg_addr = (u32)&((ccsr_fsl_pci_t *)pci_info->regs)->cfg_addr;
306 u32 cfg_data = (u32)&((ccsr_fsl_pci_t *)pci_info->regs)->cfg_data;
310 int enabled, r, inbound = 0;
313 volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *)cfg_addr;
314 struct pci_region *reg = hose->regions + hose->region_count;
315 pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
317 /* Initialize ATMU registers based on hose regions and flags */
318 volatile pot_t *po = &pci->pot[1]; /* skip 0 */
321 u64 out_hi = 0, out_lo = -1ULL;
322 u32 pcicsrbar, pcicsrbar_sz;
324 pci_setup_indirect(hose, cfg_addr, cfg_data);
326 block_rev = in_be32(&pci->block_rev1);
327 if (PEX_IP_BLK_REV_2_2 <= block_rev) {
328 pi = &pci->pit[2]; /* 0xDC0 */
330 pi = &pci->pit[3]; /* 0xDE0 */
333 /* Handle setup of outbound windows first */
334 for (r = 0; r < hose->region_count; r++) {
335 unsigned long flags = hose->regions[r].flags;
336 u32 sz = (__ilog2_u64((u64)hose->regions[r].size) - 1);
338 flags &= PCI_REGION_SYS_MEMORY|PCI_REGION_TYPE;
339 if (flags != PCI_REGION_SYS_MEMORY) {
340 u64 start = hose->regions[r].bus_start;
341 u64 end = start + hose->regions[r].size;
343 out_be32(&po->powbar, hose->regions[r].phys_start >> 12);
344 out_be32(&po->potar, start >> 12);
345 #ifdef CONFIG_SYS_PCI_64BIT
346 out_be32(&po->potear, start >> 44);
348 out_be32(&po->potear, 0);
350 if (hose->regions[r].flags & PCI_REGION_IO) {
351 out_be32(&po->powar, POWAR_EN | sz |
352 POWAR_IO_READ | POWAR_IO_WRITE);
354 out_be32(&po->powar, POWAR_EN | sz |
355 POWAR_MEM_READ | POWAR_MEM_WRITE);
356 out_lo = min(start, out_lo);
357 out_hi = max(end, out_hi);
362 debug("Outbound memory range: %llx:%llx\n", out_lo, out_hi);
364 /* setup PCSRBAR/PEXCSRBAR */
365 pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff);
366 pci_hose_read_config_dword (hose, dev, PCI_BASE_ADDRESS_0, &pcicsrbar_sz);
367 pcicsrbar_sz = ~pcicsrbar_sz + 1;
369 if (out_hi < (0x100000000ull - pcicsrbar_sz) ||
370 (out_lo > 0x100000000ull))
371 pcicsrbar = 0x100000000ull - pcicsrbar_sz;
373 pcicsrbar = (out_lo - pcicsrbar_sz) & -pcicsrbar_sz;
374 pci_hose_write_config_dword(hose, dev, PCI_BASE_ADDRESS_0, pcicsrbar);
376 out_lo = min(out_lo, (u64)pcicsrbar);
378 debug("PCICSRBAR @ 0x%x\n", pcicsrbar);
380 pci_set_region(reg++, pcicsrbar, CONFIG_SYS_CCSRBAR_PHYS,
381 pcicsrbar_sz, PCI_REGION_SYS_MEMORY);
382 hose->region_count++;
384 /* see if we are a PCIe or PCI controller */
385 pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
387 #ifdef CONFIG_FSL_CORENET
388 /* boot from PCIE --master */
389 char *s = getenv("bootmaster");
391 sprintf(pcie, "PCIE%d", pci_info->pci_num);
393 if (s && (strcmp(s, pcie) == 0)) {
394 debug("PCIEBOOT - MASTER: Master port [ %d ] for pcie boot.\n",
396 fsl_pcie_boot_master((pit_t *)pi);
399 inbound = fsl_pci_setup_inbound_windows(hose,
400 out_lo, pcie_cap, pi);
404 inbound = fsl_pci_setup_inbound_windows(hose, out_lo, pcie_cap, pi);
407 for (r = 0; r < hose->region_count; r++)
408 debug("PCI reg:%d %016llx:%016llx %016llx %08lx\n", r,
409 (u64)hose->regions[r].phys_start,
410 (u64)hose->regions[r].bus_start,
411 (u64)hose->regions[r].size,
412 hose->regions[r].flags);
414 pci_register_hose(hose);
415 pciauto_config_init(hose); /* grab pci_{mem,prefetch,io} */
416 hose->current_busno = hose->first_busno;
418 out_be32(&pci->pedr, 0xffffffff); /* Clear any errors */
419 out_be32(&pci->peer, ~0x20140); /* Enable All Error Interrupts except
420 * - Master abort (pci)
421 * - Master PERR (pci)
424 pci_hose_read_config_dword(hose, dev, PCI_DCR, &temp32);
425 temp32 |= 0xf000e; /* set URR, FER, NFER (but not CER) */
426 pci_hose_write_config_dword(hose, dev, PCI_DCR, temp32);
428 #if defined(CONFIG_FSL_PCIE_DISABLE_ASPM)
430 pci_hose_read_config_dword(hose, dev, PCI_LCR, &temp32);
431 temp32 &= ~0x03; /* Disable ASPM */
432 pci_hose_write_config_dword(hose, dev, PCI_LCR, temp32);
435 if (pcie_cap == PCI_CAP_ID_EXP) {
436 pci_hose_read_config_word(hose, dev, PCI_LTSSM, <ssm);
437 enabled = ltssm >= PCI_LTSSM_L0;
439 #ifdef CONFIG_FSL_PCIE_RESET
442 debug("....PCIe link error. " "LTSSM=0x%02x.", ltssm);
443 /* assert PCIe reset */
444 setbits_be32(&pci->pdb_stat, 0x08000000);
445 (void) in_be32(&pci->pdb_stat);
447 debug(" Asserting PCIe reset @%p = %x\n",
448 &pci->pdb_stat, in_be32(&pci->pdb_stat));
449 /* clear PCIe reset */
450 clrbits_be32(&pci->pdb_stat, 0x08000000);
452 for (i=0; i<100 && ltssm < PCI_LTSSM_L0; i++) {
453 pci_hose_read_config_word(hose, dev, PCI_LTSSM,
456 debug("....PCIe link error. "
457 "LTSSM=0x%02x.\n", ltssm);
459 enabled = ltssm >= PCI_LTSSM_L0;
461 /* we need to re-write the bar0 since a reset will
464 pci_hose_write_config_dword(hose, dev,
465 PCI_BASE_ADDRESS_0, pcicsrbar);
470 /* Let the user know there's no PCIe link */
471 printf("no link, regs @ 0x%lx\n", pci_info->regs);
472 hose->last_busno = hose->first_busno;
476 out_be32(&pci->pme_msg_det, 0xffffffff);
477 out_be32(&pci->pme_msg_int_en, 0xffffffff);
479 /* Print the negotiated PCIe link width */
480 pci_hose_read_config_word(hose, dev, PCI_LSR, &temp16);
481 printf("x%d, regs @ 0x%lx\n", (temp16 & 0x3f0 ) >> 4,
484 hose->current_busno++; /* Start scan with secondary */
485 pciauto_prescan_setup_bridge(hose, dev, hose->current_busno);
488 /* Use generic setup_device to initialize standard pci regs,
489 * but do not allocate any windows since any BAR found (such
490 * as PCSRBAR) is not in this cpu's memory space.
492 pciauto_setup_device(hose, dev, 0, hose->pci_mem,
493 hose->pci_prefetch, hose->pci_io);
496 pci_hose_read_config_word(hose, dev, PCI_COMMAND, &temp16);
497 pci_hose_write_config_word(hose, dev, PCI_COMMAND,
498 temp16 | PCI_COMMAND_MEMORY);
501 #ifndef CONFIG_PCI_NOSCAN
502 pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &temp8);
504 /* Programming Interface (PCI_CLASS_PROG)
505 * 0 == pci host or pcie root-complex,
506 * 1 == pci agent or pcie end-point
509 debug(" Scanning PCI bus %02x\n",
510 hose->current_busno);
511 hose->last_busno = pci_hose_scan_bus(hose, hose->current_busno);
513 debug(" Not scanning PCI bus %02x. PI=%x\n",
514 hose->current_busno, temp8);
515 hose->last_busno = hose->current_busno;
518 /* if we are PCIe - update limit regs and subordinate busno
519 * for the virtual P2P bridge
521 if (pcie_cap == PCI_CAP_ID_EXP) {
522 pciauto_postscan_setup_bridge(hose, dev, hose->last_busno);
525 hose->last_busno = hose->current_busno;
528 /* Clear all error indications */
529 if (pcie_cap == PCI_CAP_ID_EXP)
530 out_be32(&pci->pme_msg_det, 0xffffffff);
531 out_be32(&pci->pedr, 0xffffffff);
533 pci_hose_read_config_word (hose, dev, PCI_DSR, &temp16);
535 pci_hose_write_config_word(hose, dev, PCI_DSR, 0xffff);
538 pci_hose_read_config_word (hose, dev, PCI_SEC_STATUS, &temp16);
540 pci_hose_write_config_word(hose, dev, PCI_SEC_STATUS, 0xffff);
544 int fsl_is_pci_agent(struct pci_controller *hose)
547 pci_dev_t dev = PCI_BDF(hose->first_busno, 0, 0);
549 pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prog_if);
551 return (prog_if == FSL_PROG_IF_AGENT);
554 int fsl_pci_init_port(struct fsl_pci_info *pci_info,
555 struct pci_controller *hose, int busno)
557 volatile ccsr_fsl_pci_t *pci;
558 struct pci_region *r;
559 pci_dev_t dev = PCI_BDF(busno,0,0);
562 pci = (ccsr_fsl_pci_t *) pci_info->regs;
564 /* on non-PCIe controllers we don't have pme_msg_det so this code
565 * should do nothing since the read will return 0
567 if (in_be32(&pci->pme_msg_det)) {
568 out_be32(&pci->pme_msg_det, 0xffffffff);
569 debug (" with errors. Clearing. Now 0x%08x",
573 r = hose->regions + hose->region_count;
575 /* outbound memory */
589 hose->region_count = r - hose->regions;
590 hose->first_busno = busno;
592 fsl_pci_init(hose, pci_info);
594 if (fsl_is_pci_agent(hose)) {
595 fsl_pci_config_unlock(hose);
596 hose->last_busno = hose->first_busno;
597 #ifdef CONFIG_FSL_CORENET
599 /* boot from PCIE --master releases slave's core 0 */
600 char *s = getenv("bootmaster");
602 sprintf(pcie, "PCIE%d", pci_info->pci_num);
604 if (s && (strcmp(s, pcie) == 0))
605 fsl_pcie_boot_master_release_slave(pci_info->pci_num);
609 pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
610 printf("PCI%s%x: Bus %02x - %02x\n", pcie_cap == PCI_CAP_ID_EXP ?
611 "e" : "", pci_info->pci_num,
612 hose->first_busno, hose->last_busno);
614 return(hose->last_busno + 1);
617 /* Enable inbound PCI config cycles for agent/endpoint interface */
618 void fsl_pci_config_unlock(struct pci_controller *hose)
620 pci_dev_t dev = PCI_BDF(hose->first_busno,0,0);
625 pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &agent);
629 pci_hose_read_config_byte(hose, dev, FSL_PCIE_CAP_ID, &pcie_cap);
630 if (pcie_cap != 0x0) {
631 /* PCIe - set CFG_READY bit of Configuration Ready Register */
632 pci_hose_write_config_byte(hose, dev, FSL_PCIE_CFG_RDY, 0x1);
634 /* PCI - clear ACL bit of PBFR */
635 pci_hose_read_config_word(hose, dev, FSL_PCI_PBFR, &pbfr);
637 pci_hose_write_config_word(hose, dev, FSL_PCI_PBFR, pbfr);
641 #if defined(CONFIG_PCIE1) || defined(CONFIG_PCIE2) || \
642 defined(CONFIG_PCIE3) || defined(CONFIG_PCIE4)
643 int fsl_configure_pcie(struct fsl_pci_info *info,
644 struct pci_controller *hose,
645 const char *connected, int busno)
649 set_next_law(info->mem_phys, law_size_bits(info->mem_size), info->law);
650 set_next_law(info->io_phys, law_size_bits(info->io_size), info->law);
652 is_endpoint = fsl_setup_hose(hose, info->regs);
653 printf("PCIe%u: %s", info->pci_num,
654 is_endpoint ? "Endpoint" : "Root Complex");
656 printf(" of %s", connected);
659 return fsl_pci_init_port(info, hose, busno);
662 #if defined(CONFIG_FSL_CORENET)
663 #define _DEVDISR_PCIE1 FSL_CORENET_DEVDISR_PCIE1
664 #define _DEVDISR_PCIE2 FSL_CORENET_DEVDISR_PCIE2
665 #define _DEVDISR_PCIE3 FSL_CORENET_DEVDISR_PCIE3
666 #define _DEVDISR_PCIE4 FSL_CORENET_DEVDISR_PCIE4
667 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
668 #elif defined(CONFIG_MPC85xx)
669 #define _DEVDISR_PCIE1 MPC85xx_DEVDISR_PCIE
670 #define _DEVDISR_PCIE2 MPC85xx_DEVDISR_PCIE2
671 #define _DEVDISR_PCIE3 MPC85xx_DEVDISR_PCIE3
672 #define _DEVDISR_PCIE4 0
673 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR CONFIG_SYS_MPC85xx_GUTS_ADDR
674 #elif defined(CONFIG_MPC86xx)
675 #define _DEVDISR_PCIE1 MPC86xx_DEVDISR_PCIE1
676 #define _DEVDISR_PCIE2 MPC86xx_DEVDISR_PCIE2
677 #define _DEVDISR_PCIE3 0
678 #define _DEVDISR_PCIE4 0
679 #define CONFIG_SYS_MPC8xxx_GUTS_ADDR \
680 (&((immap_t *)CONFIG_SYS_IMMR)->im_gur)
682 #error "No defines for DEVDISR_PCIE"
685 /* Implement a dummy function for those platforms w/o SERDES */
686 static const char *__board_serdes_name(enum srds_prtcl device)
689 #ifdef CONFIG_SYS_PCIE1_NAME
691 return CONFIG_SYS_PCIE1_NAME;
693 #ifdef CONFIG_SYS_PCIE2_NAME
695 return CONFIG_SYS_PCIE2_NAME;
697 #ifdef CONFIG_SYS_PCIE3_NAME
699 return CONFIG_SYS_PCIE3_NAME;
701 #ifdef CONFIG_SYS_PCIE4_NAME
703 return CONFIG_SYS_PCIE4_NAME;
712 __attribute__((weak, alias("__board_serdes_name"))) const char *
713 board_serdes_name(enum srds_prtcl device);
715 static u32 devdisr_mask[] = {
722 int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
723 struct fsl_pci_info *pci_info)
725 struct pci_controller *hose;
726 int num = dev - PCIE1;
728 hose = calloc(1, sizeof(struct pci_controller));
732 if (is_serdes_configured(dev) && !(devdisr & devdisr_mask[num])) {
733 busno = fsl_configure_pcie(pci_info, hose,
734 board_serdes_name(dev), busno);
736 printf("PCIe%d: disabled\n", num + 1);
742 int fsl_pcie_init_board(int busno)
744 struct fsl_pci_info pci_info;
745 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR;
746 u32 devdisr = in_be32(&gur->devdisr);
749 SET_STD_PCIE_INFO(pci_info, 1);
750 busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE1, &pci_info);
752 setbits_be32(&gur->devdisr, _DEVDISR_PCIE1); /* disable */
756 SET_STD_PCIE_INFO(pci_info, 2);
757 busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE2, &pci_info);
759 setbits_be32(&gur->devdisr, _DEVDISR_PCIE2); /* disable */
763 SET_STD_PCIE_INFO(pci_info, 3);
764 busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE3, &pci_info);
766 setbits_be32(&gur->devdisr, _DEVDISR_PCIE3); /* disable */
770 SET_STD_PCIE_INFO(pci_info, 4);
771 busno = fsl_pcie_init_ctrl(busno, devdisr, PCIE4, &pci_info);
773 setbits_be32(&gur->devdisr, _DEVDISR_PCIE4); /* disable */
779 int fsl_pcie_init_ctrl(int busno, u32 devdisr, enum srds_prtcl dev,
780 struct fsl_pci_info *pci_info)
785 int fsl_pcie_init_board(int busno)
791 #ifdef CONFIG_OF_BOARD_SETUP
793 #include <fdt_support.h>
795 void ft_fsl_pci_setup(void *blob, const char *pci_compat,
796 unsigned long ctrl_addr)
800 phys_addr_t p_ctrl_addr = (phys_addr_t)ctrl_addr;
801 struct pci_controller *hose;
803 hose = find_hose_by_cfg_addr((void *)(ctrl_addr));
805 /* convert ctrl_addr to true physical address */
806 p_ctrl_addr = (phys_addr_t)ctrl_addr - CONFIG_SYS_CCSRBAR;
807 p_ctrl_addr += CONFIG_SYS_CCSRBAR_PHYS;
809 off = fdt_node_offset_by_compat_reg(blob, pci_compat, p_ctrl_addr);
814 /* We assume a cfg_addr not being set means we didn't setup the controller */
815 if ((hose == NULL) || (hose->cfg_addr == NULL)) {
816 fdt_del_node(blob, off);
819 bus_range[1] = hose->last_busno - hose->first_busno;
820 fdt_setprop(blob, off, "bus-range", &bus_range[0], 2*4);
821 fdt_pci_dma_ranges(blob, off, hose);