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/bitops.h>
33 #include <asm/ppc4xx-intvec.h>
35 DECLARE_GLOBAL_DATA_PTR;
37 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
39 ulong flash_get_size (ulong base, int banknum);
41 int board_early_init_f(void)
44 u32 sdr0_pfc1, sdr0_pfc2;
47 mtdcr(ebccfga, xbcfg);
48 mtdcr(ebccfgd, 0xb8400000);
51 * Setup the interrupt controller polarities, triggers, etc.
53 mtdcr(uic0sr, 0xffffffff); /* clear all */
54 mtdcr(uic0er, 0x00000000); /* disable all */
55 mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
56 mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
57 mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
58 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
59 mtdcr(uic0sr, 0xffffffff); /* clear all */
61 mtdcr(uic1sr, 0xffffffff); /* clear all */
62 mtdcr(uic1er, 0x00000000); /* disable all */
63 mtdcr(uic1cr, 0x00000000); /* all non-critical */
64 mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
65 mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
66 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
67 mtdcr(uic1sr, 0xffffffff); /* clear all */
69 mtdcr(uic2sr, 0xffffffff); /* clear all */
70 mtdcr(uic2er, 0x00000000); /* disable all */
71 mtdcr(uic2cr, 0x00000000); /* all non-critical */
72 mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
73 mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
74 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
75 mtdcr(uic2sr, 0xffffffff); /* clear all */
78 out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00);
80 /* clear write protects */
81 out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00);
84 out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00);
86 /* enable USB device */
87 out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20);
89 /* select Ethernet pins */
90 mfsdr(SDR0_PFC1, sdr0_pfc1);
91 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
92 SDR0_PFC1_SELECT_CONFIG_4;
93 mfsdr(SDR0_PFC2, sdr0_pfc2);
94 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
95 SDR0_PFC2_SELECT_CONFIG_4;
96 mtsdr(SDR0_PFC2, sdr0_pfc2);
97 mtsdr(SDR0_PFC1, sdr0_pfc1);
99 /* PCI arbiter enabled */
100 mfsdr(sdr_pci0, reg);
101 mtsdr(sdr_pci0, 0x80000000 | reg);
103 /* setup NAND FLASH */
104 mfsdr(SDR0_CUST0, sdr0_cust0);
105 sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
106 SDR0_CUST0_NDFC_ENABLE |
107 SDR0_CUST0_NDFC_BW_8_BIT |
108 SDR0_CUST0_NDFC_ARE_MASK |
109 (0x80000000 >> (28 + CFG_NAND_CS));
110 mtsdr(SDR0_CUST0, sdr0_cust0);
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");
127 /* Re-do flash sizing to get full correct info */
129 /* adjust flash start and offset */
130 gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
131 gd->bd->bi_flashoffset = 0;
133 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
134 mtdcr(ebccfga, pb3cr);
136 mtdcr(ebccfga, pb0cr);
138 pbcr = mfdcr(ebccfgd);
139 size_val = ffs(gd->bd->bi_flashsize) - 21;
140 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
141 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
142 mtdcr(ebccfga, pb3cr);
144 mtdcr(ebccfga, pb0cr);
146 mtdcr(ebccfgd, pbcr);
149 * Re-check to get correct base address
151 flash_get_size(gd->bd->bi_flashstart, 0);
153 #ifdef CFG_ENV_IS_IN_FLASH
154 /* Monitor protection ON by default */
155 (void)flash_protect(FLAG_PROTECT_SET,
160 /* Env protection ON by default */
161 (void)flash_protect(FLAG_PROTECT_SET,
163 CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
171 if (act == NULL || strcmp(act, "hostdev") == 0) {
173 mfsdr(SDR0_PFC1, sdr0_pfc1);
174 mfsdr(SDR0_USB2D0CR, usb2d0cr);
175 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
176 mfsdr(SDR0_USB2H0CR, usb2h0cr);
178 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
179 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
180 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
181 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
182 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
183 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
184 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
185 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
186 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
187 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
190 * An 8-bit/60MHz interface is the only possible alternative
191 * when connecting the Device to the PHY
193 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
194 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
197 * To enable the USB 2.0 Device function
198 * through the UTMI interface
200 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
201 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
203 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
204 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
206 mtsdr(SDR0_PFC1, sdr0_pfc1);
207 mtsdr(SDR0_USB2D0CR, usb2d0cr);
208 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
209 mtsdr(SDR0_USB2H0CR, usb2h0cr);
213 mtsdr(SDR0_SRST1, 0x00000000);
215 mtsdr(SDR0_SRST0, 0x00000000);
217 printf("USB: Host(int phy) Device(ext phy)\n");
219 } else if (strcmp(act, "dev") == 0) {
220 /*-------------------PATCH-------------------------------*/
221 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
223 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
224 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
225 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
226 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
227 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
228 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
229 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
230 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
231 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
234 mtsdr(SDR0_SRST1, 0x672c6000);
237 mtsdr(SDR0_SRST0, 0x00000080);
240 mtsdr(SDR0_SRST1, 0x60206000);
242 *(unsigned int *)(0xe0000350) = 0x00000001;
245 mtsdr(SDR0_SRST1, 0x60306000);
246 /*-------------------PATCH-------------------------------*/
249 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
250 mfsdr(SDR0_USB2H0CR, usb2h0cr);
251 mfsdr(SDR0_USB2D0CR, usb2d0cr);
252 mfsdr(SDR0_PFC1, sdr0_pfc1);
254 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
255 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
256 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
257 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
258 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
259 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
260 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
261 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
262 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
263 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
265 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
266 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
268 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
269 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
271 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
272 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
274 mtsdr(SDR0_USB2H0CR, usb2h0cr);
275 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
276 mtsdr(SDR0_USB2D0CR, usb2d0cr);
277 mtsdr(SDR0_PFC1, sdr0_pfc1);
281 mtsdr(SDR0_SRST1, 0x00000000);
283 mtsdr(SDR0_SRST0, 0x00000000);
285 printf("USB: Device(int phy)\n");
287 #endif /* CONFIG_440EPX */
289 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
290 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
291 mtsdr(SDR0_SRST1, reg);
294 * Clear PLB4A0_ACR[WRP]
295 * This fix will make the MAL burst disabling patch for the Linux
296 * EMAC driver obsolete.
298 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
299 mtdcr(plb4_acr, reg);
306 char *s = getenv("serial#");
311 printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
313 printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
316 rev = in_8((void *)(CFG_BCSR_BASE + 0));
317 val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
318 printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
329 #if defined(CFG_DRAM_TEST)
332 unsigned long *mem = (unsigned long *)0;
333 const unsigned long kend = (1024 / sizeof(unsigned long));
338 for (k = 0; k < CFG_MBYTES_SDRAM;
339 ++k, mem += (1024 / sizeof(unsigned long))) {
340 if ((k & 1023) == 0) {
341 printf("%3d MB\r", k / 1024);
344 memset(mem, 0xaaaaaaaa, 1024);
345 for (n = 0; n < kend; ++n) {
346 if (mem[n] != 0xaaaaaaaa) {
347 printf("SDRAM test fails at: %08x\n",
353 memset(mem, 0x55555555, 1024);
354 for (n = 0; n < kend; ++n) {
355 if (mem[n] != 0x55555555) {
356 printf("SDRAM test fails at: %08x\n",
362 printf("SDRAM test passes\n");
367 #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
369 * Assign interrupts to PCI devices.
371 void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
373 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIR2);
380 * This routine is called just prior to registering the hose and gives
381 * the board the opportunity to check things. Returning a value of zero
382 * indicates that things are bad & PCI initialization should be aborted.
384 * Different boards may wish to customize the pci controller structure
385 * (add regions, override default access routines, etc) or perform
386 * certain pre-initialization actions.
388 #if defined(CONFIG_PCI)
389 int pci_pre_init(struct pci_controller *hose)
394 * Set priority for all PLB3 devices to 0.
395 * Set PLB3 arbiter to fair mode.
397 mfsdr(sdr_amp1, addr);
398 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
399 addr = mfdcr(plb3_acr);
400 mtdcr(plb3_acr, addr | 0x80000000);
403 * Set priority for all PLB4 devices to 0.
405 mfsdr(sdr_amp0, addr);
406 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
407 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
408 mtdcr(plb4_acr, addr);
411 * Set Nebula PLB4 arbiter to fair mode.
414 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
415 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
416 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
417 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
418 mtdcr(plb0_acr, addr);
421 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
422 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
423 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
424 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
425 mtdcr(plb1_acr, addr);
427 #ifdef CONFIG_PCI_PNP
428 hose->fixup_irq = sequoia_pci_fixup_irq;
432 #endif /* defined(CONFIG_PCI) */
437 * The bootstrap configuration provides default settings for the pci
438 * inbound map (PIM). But the bootstrap config choices are limited and
439 * may not be sufficient for a given board.
441 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
442 void pci_target_init(struct pci_controller *hose)
445 * Set up Direct MMIO registers
448 * PowerPC440EPX PCI Master configuration.
449 * Map one 1Gig range of PLB/processor addresses to PCI memory space.
450 * PLB address 0xA0000000-0xDFFFFFFF
451 * ==> PCI address 0xA0000000-0xDFFFFFFF
452 * Use byte reversed out routines to handle endianess.
453 * Make this region non-prefetchable.
455 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
456 /* - disabled b4 setting */
457 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
458 out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
459 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
460 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
461 /* and enable region */
463 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
464 /* - disabled b4 setting */
465 out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
466 out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
467 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
468 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
469 /* and enable region */
471 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
472 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
473 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
474 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
477 * Set up Configuration registers
480 /* Program the board's subsystem id/vendor id */
481 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
482 CFG_PCI_SUBSYS_VENDORID);
483 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
485 /* Configure command register as bus master */
486 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
488 /* 240nS PCI clock */
489 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
491 /* No error reporting */
492 pci_write_config_word(0, PCI_ERREN, 0);
494 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
497 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
499 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
500 void pci_master_init(struct pci_controller *hose)
502 unsigned short temp_short;
505 * Write the PowerPC440 EP PCI Configuration regs.
506 * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
507 * Enable PowerPC440 EP to act as a PCI memory target (PTM).
509 pci_read_config_word(0, PCI_COMMAND, &temp_short);
510 pci_write_config_word(0, PCI_COMMAND,
511 temp_short | PCI_COMMAND_MASTER |
514 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
519 * This routine is called to determine if a pci scan should be
520 * performed. With various hardware environments (especially cPCI and
521 * PPMC) it's insufficient to depend on the state of the arbiter enable
522 * bit in the strap register, or generic host/adapter assumptions.
524 * Rather than hard-code a bad assumption in the general 440 code, the
525 * 440 pci code requires the board to decide at runtime.
527 * Return 0 for adapter mode, non-zero for host (monarch) mode.
529 #if defined(CONFIG_PCI)
530 int is_pci_host(struct pci_controller *hose)
532 /* Cactus is always configured as host. */
535 #endif /* defined(CONFIG_PCI) */
537 #if defined(CONFIG_POST)
539 * Returns 1 if keys pressed to start the power-on long-running tests
540 * Called from board_init_f().
542 int post_hotkeys_pressed(void)
544 return 0; /* No hotkeys supported */
546 #endif /* CONFIG_POST */
548 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
549 void ft_board_setup(void *blob, bd_t *bd)
554 ft_cpu_setup(blob, bd);
556 /* Fixup NOR mapping */
557 val[0] = 0; /* chip select number */
558 val[1] = 0; /* always 0 */
559 val[2] = gd->bd->bi_flashstart;
560 val[3] = gd->bd->bi_flashsize;
561 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
562 val, sizeof(val), 1);
564 printf("Unable to update property NOR mapping, err=%s\n",
567 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */