2 * (C) Copyright 2006-2007
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
6 * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
7 * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <fdt_support.h>
30 #include <asm/processor.h>
32 #include <asm/ppc4xx-intvec.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
38 ulong flash_get_size (ulong base, int banknum);
40 int board_early_init_f(void)
43 u32 sdr0_pfc1, sdr0_pfc2;
46 mtdcr(ebccfga, xbcfg);
47 mtdcr(ebccfgd, 0xb8400000);
49 /*--------------------------------------------------------------------
50 * Setup the interrupt controller polarities, triggers, etc.
51 *-------------------------------------------------------------------*/
52 mtdcr(uic0sr, 0xffffffff); /* clear all */
53 mtdcr(uic0er, 0x00000000); /* disable all */
54 mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
55 mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
56 mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
57 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
58 mtdcr(uic0sr, 0xffffffff); /* clear all */
60 mtdcr(uic1sr, 0xffffffff); /* clear all */
61 mtdcr(uic1er, 0x00000000); /* disable all */
62 mtdcr(uic1cr, 0x00000000); /* all non-critical */
63 mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
64 mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
65 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
66 mtdcr(uic1sr, 0xffffffff); /* clear all */
68 mtdcr(uic2sr, 0xffffffff); /* clear all */
69 mtdcr(uic2er, 0x00000000); /* disable all */
70 mtdcr(uic2cr, 0x00000000); /* all non-critical */
71 mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
72 mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
73 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
74 mtdcr(uic2sr, 0xffffffff); /* clear all */
77 out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00);
79 /* clear write protects */
80 out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00);
83 out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00);
85 /* enable USB device */
86 out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20);
88 /* select Ethernet pins */
89 mfsdr(SDR0_PFC1, sdr0_pfc1);
90 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4;
91 mfsdr(SDR0_PFC2, sdr0_pfc2);
92 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4;
93 mtsdr(SDR0_PFC2, sdr0_pfc2);
94 mtsdr(SDR0_PFC1, sdr0_pfc1);
96 /* PCI arbiter enabled */
98 mtsdr(sdr_pci0, 0x80000000 | reg);
100 /* setup NAND FLASH */
101 mfsdr(SDR0_CUST0, sdr0_cust0);
102 sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
103 SDR0_CUST0_NDFC_ENABLE |
104 SDR0_CUST0_NDFC_BW_8_BIT |
105 SDR0_CUST0_NDFC_ARE_MASK |
106 (0x80000000 >> (28 + CFG_NAND_CS));
107 mtsdr(SDR0_CUST0, sdr0_cust0);
112 /*---------------------------------------------------------------------------+
114 +---------------------------------------------------------------------------*/
115 int misc_init_r(void)
121 unsigned long usb2d0cr = 0;
122 unsigned long usb2phy0cr, usb2h0cr = 0;
123 unsigned long sdr0_pfc1;
124 char *act = getenv("usbact");
131 /* Re-do sizing to get full correct info */
133 /* adjust flash start and offset */
134 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
135 gd->bd->bi_flashoffset = 0;
137 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
138 mtdcr(ebccfga, pb3cr);
140 mtdcr(ebccfga, pb0cr);
142 pbcr = mfdcr(ebccfgd);
143 switch (gd->bd->bi_flashsize) {
169 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
170 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
171 mtdcr(ebccfga, pb3cr);
173 mtdcr(ebccfga, pb0cr);
175 mtdcr(ebccfgd, pbcr);
178 * Re-check to get correct base address
180 flash_get_size(gd->bd->bi_flashstart, 0);
182 #ifdef CFG_ENV_IS_IN_FLASH
183 /* Monitor protection ON by default */
184 (void)flash_protect(FLAG_PROTECT_SET,
189 /* Env protection ON by default */
190 (void)flash_protect(FLAG_PROTECT_SET,
192 CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
200 if (act == NULL || strcmp(act, "hostdev") == 0) {
202 mfsdr(SDR0_PFC1, sdr0_pfc1);
203 mfsdr(SDR0_USB2D0CR, usb2d0cr);
204 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
205 mfsdr(SDR0_USB2H0CR, usb2h0cr);
207 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
208 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
209 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
210 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/
211 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
212 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
213 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
214 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
215 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
216 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
218 /* An 8-bit/60MHz interface is the only possible alternative
219 when connecting the Device to the PHY */
220 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
221 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/
223 /* To enable the USB 2.0 Device function through the UTMI interface */
224 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
225 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1*/
227 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
228 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0*/
230 mtsdr(SDR0_PFC1, sdr0_pfc1);
231 mtsdr(SDR0_USB2D0CR, usb2d0cr);
232 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
233 mtsdr(SDR0_USB2H0CR, usb2h0cr);
237 mtsdr(SDR0_SRST1, 0x00000000);
239 mtsdr(SDR0_SRST0, 0x00000000);
241 printf("USB: Host(int phy) Device(ext phy)\n");
243 } else if (strcmp(act, "dev") == 0) {
244 /*-------------------PATCH-------------------------------*/
245 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
247 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
248 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
249 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
250 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/
251 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
252 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/
253 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
254 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/
255 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
258 mtsdr(SDR0_SRST1, 0x672c6000);
261 mtsdr(SDR0_SRST0, 0x00000080);
264 mtsdr(SDR0_SRST1, 0x60206000);
266 *(unsigned int *)(0xe0000350) = 0x00000001;
269 mtsdr(SDR0_SRST1, 0x60306000);
270 /*-------------------PATCH-------------------------------*/
273 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
274 mfsdr(SDR0_USB2H0CR, usb2h0cr);
275 mfsdr(SDR0_USB2D0CR, usb2d0cr);
276 mfsdr(SDR0_PFC1, sdr0_pfc1);
278 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
279 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/
280 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
281 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0*/
282 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
283 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/
284 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
285 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0*/
286 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
287 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0*/
289 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
290 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0*/
292 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
293 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0*/
295 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
296 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1*/
298 mtsdr(SDR0_USB2H0CR, usb2h0cr);
299 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
300 mtsdr(SDR0_USB2D0CR, usb2d0cr);
301 mtsdr(SDR0_PFC1, sdr0_pfc1);
305 mtsdr(SDR0_SRST1, 0x00000000);
307 mtsdr(SDR0_SRST0, 0x00000000);
309 printf("USB: Device(int phy)\n");
311 #endif /* CONFIG_440EPX */
313 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
314 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
315 mtsdr(SDR0_SRST1, reg);
318 * Clear PLB4A0_ACR[WRP]
319 * This fix will make the MAL burst disabling patch for the Linux
320 * EMAC driver obsolete.
322 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
323 mtdcr(plb4_acr, reg);
330 char *s = getenv("serial#");
335 printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
337 printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
340 rev = in_8((void *)(CFG_BCSR_BASE + 0));
341 val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
342 printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
353 #if defined(CFG_DRAM_TEST)
356 unsigned long *mem = (unsigned long *)0;
357 const unsigned long kend = (1024 / sizeof(unsigned long));
362 for (k = 0; k < CFG_MBYTES_SDRAM;
363 ++k, mem += (1024 / sizeof(unsigned long))) {
364 if ((k & 1023) == 0) {
365 printf("%3d MB\r", k / 1024);
368 memset(mem, 0xaaaaaaaa, 1024);
369 for (n = 0; n < kend; ++n) {
370 if (mem[n] != 0xaaaaaaaa) {
371 printf("SDRAM test fails at: %08x\n",
377 memset(mem, 0x55555555, 1024);
378 for (n = 0; n < kend; ++n) {
379 if (mem[n] != 0x55555555) {
380 printf("SDRAM test fails at: %08x\n",
386 printf("SDRAM test passes\n");
391 #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
393 * Assign interrupts to PCI devices.
395 void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
397 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIR2);
401 /*************************************************************************
404 * This routine is called just prior to registering the hose and gives
405 * the board the opportunity to check things. Returning a value of zero
406 * indicates that things are bad & PCI initialization should be aborted.
408 * Different boards may wish to customize the pci controller structure
409 * (add regions, override default access routines, etc) or perform
410 * certain pre-initialization actions.
412 ************************************************************************/
413 #if defined(CONFIG_PCI)
414 int pci_pre_init(struct pci_controller *hose)
418 /*-------------------------------------------------------------------------+
419 | Set priority for all PLB3 devices to 0.
420 | Set PLB3 arbiter to fair mode.
421 +-------------------------------------------------------------------------*/
422 mfsdr(sdr_amp1, addr);
423 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
424 addr = mfdcr(plb3_acr);
425 mtdcr(plb3_acr, addr | 0x80000000);
427 /*-------------------------------------------------------------------------+
428 | Set priority for all PLB4 devices to 0.
429 +-------------------------------------------------------------------------*/
430 mfsdr(sdr_amp0, addr);
431 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
432 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
433 mtdcr(plb4_acr, addr);
435 /*-------------------------------------------------------------------------+
436 | Set Nebula PLB4 arbiter to fair mode.
437 +-------------------------------------------------------------------------*/
439 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
440 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
441 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
442 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
443 mtdcr(plb0_acr, addr);
446 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
447 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
448 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
449 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
450 mtdcr(plb1_acr, addr);
452 #ifdef CONFIG_PCI_PNP
453 hose->fixup_irq = sequoia_pci_fixup_irq;
457 #endif /* defined(CONFIG_PCI) */
459 /*************************************************************************
462 * The bootstrap configuration provides default settings for the pci
463 * inbound map (PIM). But the bootstrap config choices are limited and
464 * may not be sufficient for a given board.
466 ************************************************************************/
467 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
468 void pci_target_init(struct pci_controller *hose)
470 /*--------------------------------------------------------------------------+
471 * Set up Direct MMIO registers
472 *--------------------------------------------------------------------------*/
473 /*--------------------------------------------------------------------------+
474 | PowerPC440EPX PCI Master configuration.
475 | Map one 1Gig range of PLB/processor addresses to PCI memory space.
476 | PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
477 | Use byte reversed out routines to handle endianess.
478 | Make this region non-prefetchable.
479 +--------------------------------------------------------------------------*/
480 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
481 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
482 out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
483 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
484 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
486 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
487 out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
488 out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
489 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
490 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
492 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
493 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
494 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
495 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
497 /*--------------------------------------------------------------------------+
498 * Set up Configuration registers
499 *--------------------------------------------------------------------------*/
501 /* Program the board's subsystem id/vendor id */
502 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
503 CFG_PCI_SUBSYS_VENDORID);
504 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
506 /* Configure command register as bus master */
507 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
509 /* 240nS PCI clock */
510 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
512 /* No error reporting */
513 pci_write_config_word(0, PCI_ERREN, 0);
515 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
518 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
520 /*************************************************************************
523 ************************************************************************/
524 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
525 void pci_master_init(struct pci_controller *hose)
527 unsigned short temp_short;
529 /*--------------------------------------------------------------------------+
530 | Write the PowerPC440 EP PCI Configuration regs.
531 | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
532 | Enable PowerPC440 EP to act as a PCI memory target (PTM).
533 +--------------------------------------------------------------------------*/
534 pci_read_config_word(0, PCI_COMMAND, &temp_short);
535 pci_write_config_word(0, PCI_COMMAND,
536 temp_short | PCI_COMMAND_MASTER |
539 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
541 /*************************************************************************
544 * This routine is called to determine if a pci scan should be
545 * performed. With various hardware environments (especially cPCI and
546 * PPMC) it's insufficient to depend on the state of the arbiter enable
547 * bit in the strap register, or generic host/adapter assumptions.
549 * Rather than hard-code a bad assumption in the general 440 code, the
550 * 440 pci code requires the board to decide at runtime.
552 * Return 0 for adapter mode, non-zero for host (monarch) mode.
555 ************************************************************************/
556 #if defined(CONFIG_PCI)
557 int is_pci_host(struct pci_controller *hose)
559 /* Cactus is always configured as host. */
562 #endif /* defined(CONFIG_PCI) */
563 #if defined(CONFIG_POST)
565 * Returns 1 if keys pressed to start the power-on long-running tests
566 * Called from board_init_f().
568 int post_hotkeys_pressed(void)
570 return 0; /* No hotkeys supported */
572 #endif /* CONFIG_POST */
574 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
575 void ft_board_setup(void *blob, bd_t *bd)
580 ft_cpu_setup(blob, bd);
582 /* Fixup NOR mapping */
583 val[0] = 0; /* chip select number */
584 val[1] = 0; /* always 0 */
585 val[2] = gd->bd->bi_flashstart;
586 val[3] = gd->bd->bi_flashsize;
587 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
588 val, sizeof(val), 1);
590 printf("Unable to update property NOR mapping, err=%s\n",
593 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */