2 * (C) Copyright 2007-2008
3 * Larry Johnson, lrj@acm.org
5 * (C) Copyright 2006-2007
6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
9 * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
10 * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <fdt_support.h>
33 #include <asm/bitops.h>
36 #include <asm/ppc4xx-uic.h>
37 #include <asm/processor.h>
39 DECLARE_GLOBAL_DATA_PTR;
41 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
43 ulong flash_get_size(ulong base, int banknum);
45 #if defined(CONFIG_KORAT_PERMANENT)
46 void korat_buzzer(int const on)
49 out_8((u8 *) CFG_CPLD_BASE + 0x05,
50 in_8((u8 *) CFG_CPLD_BASE + 0x05) | 0x80);
52 out_8((u8 *) CFG_CPLD_BASE + 0x05,
53 in_8((u8 *) CFG_CPLD_BASE + 0x05) & ~0x80);
58 int board_early_init_f(void)
60 uint32_t sdr0_pfc1, sdr0_pfc2;
64 #if defined(CONFIG_KORAT_PERMANENT)
67 extern void korat_branch_absolute(uint32_t addr);
69 for (mscount = 0; mscount < CFG_KORAT_MAN_RESET_MS; ++mscount) {
71 if (gpio_read_in_bit(CFG_GPIO_RESET_PRESSED_)) {
72 /* This call does not return. */
73 korat_branch_absolute(
74 CFG_FLASH1_TOP - 2 * CFG_ENV_SECT_SIZE - 4);
78 while (!gpio_read_in_bit(CFG_GPIO_RESET_PRESSED_))
84 mtdcr(ebccfga, xbcfg);
85 mtdcr(ebccfgd, 0xb8400000);
88 * Setup the interrupt controller polarities, triggers, etc.
90 mtdcr(uic0sr, 0xffffffff); /* clear all */
91 mtdcr(uic0er, 0x00000000); /* disable all */
92 mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
93 mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
94 mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
95 mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
96 mtdcr(uic0sr, 0xffffffff); /* clear all */
98 mtdcr(uic1sr, 0xffffffff); /* clear all */
99 mtdcr(uic1er, 0x00000000); /* disable all */
100 mtdcr(uic1cr, 0x00000000); /* all non-critical */
101 mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
102 mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
103 mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
104 mtdcr(uic1sr, 0xffffffff); /* clear all */
106 mtdcr(uic2sr, 0xffffffff); /* clear all */
107 mtdcr(uic2er, 0x00000000); /* disable all */
108 mtdcr(uic2cr, 0x00000000); /* all non-critical */
109 mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
110 mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
111 mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
112 mtdcr(uic2sr, 0xffffffff); /* clear all */
115 * Take sim card reader and CF controller out of reset. Also enable PHY
116 * auto-detect until board-specific PHY resets are available.
118 out_8((u8 *) CFG_CPLD_BASE + 0x02, 0xC0);
120 /* Configure the two Ethernet PHYs. For each PHY, configure for fiber
121 * if the SFP module is present, and for copper if it is not present.
123 for (eth = 0; eth < 2; ++eth) {
124 if (gpio_read_in_bit(CFG_GPIO_SFP0_PRESENT_ + eth)) {
125 /* SFP module not present: configure PHY for copper. */
126 /* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */
127 out_8((u8 *) CFG_CPLD_BASE + 0x03,
128 in_8((u8 *) CFG_CPLD_BASE + 0x03) |
131 /* SFP module present: configure PHY for fiber and
133 gpio_write_bit(CFG_GPIO_PHY0_FIBER_SEL + eth, 1);
134 gpio_write_bit(CFG_GPIO_SFP0_TX_EN_ + eth, 0);
137 /* enable Ethernet: set GPIO45 and GPIO46 to 1 */
138 gpio_write_bit(CFG_GPIO_PHY0_EN, 1);
139 gpio_write_bit(CFG_GPIO_PHY1_EN, 1);
141 /* Wait 1 ms, then enable Fiber signal detect to PHYs. */
143 out_8((u8 *) CFG_CPLD_BASE + 0x03,
144 in_8((u8 *) CFG_CPLD_BASE + 0x03) | 0x88);
146 /* select Ethernet (and optionally IIC1) pins */
147 mfsdr(SDR0_PFC1, sdr0_pfc1);
148 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
149 SDR0_PFC1_SELECT_CONFIG_4;
150 #ifdef CONFIG_I2C_MULTI_BUS
151 sdr0_pfc1 |= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL);
153 mfsdr(SDR0_PFC2, sdr0_pfc2);
154 sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
155 SDR0_PFC2_SELECT_CONFIG_4;
156 mtsdr(SDR0_PFC2, sdr0_pfc2);
157 mtsdr(SDR0_PFC1, sdr0_pfc1);
159 /* PCI arbiter enabled */
160 mfsdr(sdr_pci0, reg);
161 mtsdr(sdr_pci0, 0x80000000 | reg);
167 * The boot flash on CS0 normally has its write-enable pin disabled, and so will
168 * not respond to CFI commands. This routine therefore fills in the flash
169 * information for the boot flash. (The flash at CS1 operates normally.)
171 ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
179 info->size = CFG_FLASH0_SIZE;
180 info->sector_count = CFG_FLASH0_SIZE / 0x20000;
181 info->flash_id = 0x01000000;
184 info->buffer_size = 32;
185 info->erase_blk_tout = 16384;
186 info->write_tout = 2;
187 info->buffer_write_tout = 5;
189 info->cmd_reset = 0x00F0;
191 info->legacy_unlock = 0;
192 info->manufacturer_id = 1;
193 info->device_id = 0x007E;
195 #if CFG_FLASH0_SIZE == 0x01000000
196 info->device_id2 = 0x2101;
197 #elif CFG_FLASH0_SIZE == 0x04000000
198 info->device_id2 = 0x2301;
200 #error Unable to set device_id2 for current CFG_FLASH0_SIZE
203 info->ext_addr = 0x0040;
204 info->cfi_version = 0x3133;
205 info->cfi_offset = 0x0055;
206 info->addr_unlock1 = 0x00000555;
207 info->addr_unlock2 = 0x000002AA;
208 info->name = "CFI conformant";
209 for (i = 0, addr = -info->size;
210 i < info->sector_count;
211 ++i, addr += 0x20000) {
212 info->start[i] = addr;
213 info->protect[i] = 0x00;
218 static int man_data_read(unsigned int addr)
221 * Read an octet of data from address "addr" in the manufacturer's
222 * information serial EEPROM, or -1 on error.
226 if (0 != i2c_probe(MAN_DATA_EEPROM_ADDR) ||
227 0 != i2c_read(MAN_DATA_EEPROM_ADDR, addr, 1, data, 1)) {
228 debug("man_data_read(0x%02X) failed\n", addr);
231 debug("man_info_read(0x%02X) returned 0x%02X\n", addr, data[0]);
235 static unsigned int man_data_field_addr(unsigned int const field)
238 * The manufacturer's information serial EEPROM contains a sequence of
239 * zero-delimited fields. Return the starting address of field "field",
244 if (0 == field || 'A' != man_data_read(0) || '\0' != man_data_read(1))
245 /* Only format "A" is currently supported */
248 for (addr = 2, i = 1; i < field && addr < 256; ++addr) {
249 if ('\0' == man_data_read(addr))
252 return (addr < 256) ? addr : 0;
255 static char *man_data_read_field(char s[], unsigned const field,
256 unsigned const length)
259 * Place the null-terminated contents of field "field" of length
260 * "length" from the manufacturer's information serial EEPROM into
261 * string "s[length + 1]" and return a pointer to s, or return 0 on
262 * error. In either case the original contents of s[] is not preserved.
266 addr = man_data_field_addr(field);
267 if (0 == addr || addr + length >= 255)
270 for (i = 0; i < length; ++i) {
271 int const c = man_data_read(addr++);
278 if (0 != man_data_read(addr))
285 static void set_serial_number(void)
288 * If the environmental variable "serial#" is not set, try to set it
289 * from the manufacturer's information serial EEPROM.
291 char s[MAN_INFO_LENGTH + MAN_MAC_ADDR_LENGTH + 2];
293 if (getenv("serial#"))
296 if (!man_data_read_field(s, MAN_INFO_FIELD, MAN_INFO_LENGTH))
299 s[MAN_INFO_LENGTH] = '-';
300 if (!man_data_read_field(s + MAN_INFO_LENGTH + 1, MAN_MAC_ADDR_FIELD,
301 MAN_MAC_ADDR_LENGTH))
304 setenv("serial#", s);
307 static void set_mac_addresses(void)
310 * If the environmental variables "ethaddr" and/or "eth1addr" are not
311 * set, try to set them from the manufacturer's information serial
315 #if MAN_MAC_ADDR_LENGTH % 2 != 0
316 #error MAN_MAC_ADDR_LENGTH must be an even number
319 char s[(3 * MAN_MAC_ADDR_LENGTH) / 2];
323 if (0 != getenv("ethaddr") && 0 != getenv("eth1addr"))
326 if (0 == man_data_read_field(s + (MAN_MAC_ADDR_LENGTH / 2) - 1,
327 MAN_MAC_ADDR_FIELD, MAN_MAC_ADDR_LENGTH))
330 for (src = s + (MAN_MAC_ADDR_LENGTH / 2) - 1, dst = s; src != dst;) {
335 if (0 == getenv("ethaddr"))
336 setenv("ethaddr", s);
338 if (0 == getenv("eth1addr")) {
339 ++s[((3 * MAN_MAC_ADDR_LENGTH) / 2) - 2];
340 setenv("eth1addr", s);
344 int misc_init_r(void)
349 unsigned long usb2d0cr = 0;
350 unsigned long usb2phy0cr, usb2h0cr = 0;
351 unsigned long sdr0_pfc1;
352 uint32_t const flash1_size = gd->bd->bi_flashsize - CFG_FLASH0_SIZE;
353 char const *const act = getenv("usbact");
356 * Re-do FLASH1 sizing and adjust flash start and offset.
358 gd->bd->bi_flashstart = CFG_FLASH1_TOP - flash1_size;
359 gd->bd->bi_flashoffset = 0;
361 mtdcr(ebccfga, pb1cr);
362 pbcr = mfdcr(ebccfgd);
363 size_val = ffs(flash1_size) - 21;
364 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
365 mtdcr(ebccfga, pb1cr);
366 mtdcr(ebccfgd, pbcr);
369 * Re-check to get correct base address
371 flash_get_size(gd->bd->bi_flashstart, 0);
374 * Re-do FLASH1 sizing and adjust flash offset to reserve space for
377 gd->bd->bi_flashoffset =
378 CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - CFG_FLASH1_ADDR;
380 mtdcr(ebccfga, pb1cr);
381 pbcr = mfdcr(ebccfgd);
382 size_val = ffs(gd->bd->bi_flashsize - CFG_FLASH0_SIZE) - 21;
383 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
384 mtdcr(ebccfga, pb1cr);
385 mtdcr(ebccfgd, pbcr);
387 /* Monitor protection ON by default */
388 #if defined(CONFIG_KORAT_PERMANENT)
389 (void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
390 CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
393 (void)flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
394 CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
397 /* Env protection ON by default */
398 (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
399 CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
401 (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
402 CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
408 if (act == NULL || strcmp(act, "hostdev") == 0) {
410 mfsdr(SDR0_PFC1, sdr0_pfc1);
411 mfsdr(SDR0_USB2D0CR, usb2d0cr);
412 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
413 mfsdr(SDR0_USB2H0CR, usb2h0cr);
415 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
416 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
417 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
418 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
419 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
420 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
421 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
422 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
423 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
424 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
427 * An 8-bit/60MHz interface is the only possible alternative
428 * when connecting the Device to the PHY
430 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
431 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
434 * To enable the USB 2.0 Device function
435 * through the UTMI interface
437 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
438 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
440 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
441 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
443 mtsdr(SDR0_PFC1, sdr0_pfc1);
444 mtsdr(SDR0_USB2D0CR, usb2d0cr);
445 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
446 mtsdr(SDR0_USB2H0CR, usb2h0cr);
450 mtsdr(SDR0_SRST1, 0x00000000);
452 mtsdr(SDR0_SRST0, 0x00000000);
454 printf("USB: Host(int phy) Device(ext phy)\n");
456 } else if (strcmp(act, "dev") == 0) {
457 /*-------------------PATCH-------------------------------*/
458 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
460 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
461 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
462 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
463 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
464 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
465 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
466 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
467 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
468 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
471 mtsdr(SDR0_SRST1, 0x672c6000);
474 mtsdr(SDR0_SRST0, 0x00000080);
477 mtsdr(SDR0_SRST1, 0x60206000);
479 *(unsigned int *)(0xe0000350) = 0x00000001;
482 mtsdr(SDR0_SRST1, 0x60306000);
483 /*-------------------PATCH-------------------------------*/
486 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
487 mfsdr(SDR0_USB2H0CR, usb2h0cr);
488 mfsdr(SDR0_USB2D0CR, usb2d0cr);
489 mfsdr(SDR0_PFC1, sdr0_pfc1);
491 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
492 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
493 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
494 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
495 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
496 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
497 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
498 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
499 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
500 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
502 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
503 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
505 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
506 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
508 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
509 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
511 mtsdr(SDR0_USB2H0CR, usb2h0cr);
512 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
513 mtsdr(SDR0_USB2D0CR, usb2d0cr);
514 mtsdr(SDR0_PFC1, sdr0_pfc1);
518 mtsdr(SDR0_SRST1, 0x00000000);
520 mtsdr(SDR0_SRST0, 0x00000000);
522 printf("USB: Device(int phy)\n");
525 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
526 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
527 mtsdr(SDR0_SRST1, reg);
530 * Clear PLB4A0_ACR[WRP]
531 * This fix will make the MAL burst disabling patch for the Linux
532 * EMAC driver obsolete.
534 reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
535 mtdcr(plb4_acr, reg);
539 gpio_write_bit(CFG_GPIO_ATMEGA_RESET_, 1);
546 char const *const s = getenv("serial#");
547 u8 const rev = in_8((u8 *) CFG_CPLD_BASE + 0);
549 printf("Board: Korat, Rev. %X", rev);
551 printf(", serial# %s", s);
553 printf(".\n Ethernet PHY 0: ");
554 if (gpio_read_out_bit(CFG_GPIO_PHY0_FIBER_SEL))
560 if (gpio_read_out_bit(CFG_GPIO_PHY1_FIBER_SEL))
566 #if defined(CONFIG_KORAT_PERMANENT)
567 printf(" Executing permanent copy of U-Boot.\n");
572 #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
574 * Assign interrupts to PCI devices.
576 void korat_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
578 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
585 * This routine is called just prior to registering the hose and gives
586 * the board the opportunity to check things. Returning a value of zero
587 * indicates that things are bad & PCI initialization should be aborted.
589 * Different boards may wish to customize the pci controller structure
590 * (add regions, override default access routines, etc) or perform
591 * certain pre-initialization actions.
593 #if defined(CONFIG_PCI)
594 int pci_pre_init(struct pci_controller *hose)
599 * Set priority for all PLB3 devices to 0.
600 * Set PLB3 arbiter to fair mode.
602 mfsdr(sdr_amp1, addr);
603 mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
604 addr = mfdcr(plb3_acr);
605 mtdcr(plb3_acr, addr | 0x80000000);
608 * Set priority for all PLB4 devices to 0.
610 mfsdr(sdr_amp0, addr);
611 mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
612 addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
613 mtdcr(plb4_acr, addr);
616 * Set Nebula PLB4 arbiter to fair mode.
619 addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
620 addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
621 addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
622 addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
623 mtdcr(plb0_acr, addr);
626 addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
627 addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
628 addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
629 addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
630 mtdcr(plb1_acr, addr);
632 #if defined(CONFIG_PCI_PNP)
633 hose->fixup_irq = korat_pci_fixup_irq;
638 #endif /* defined(CONFIG_PCI) */
643 * The bootstrap configuration provides default settings for the pci
644 * inbound map (PIM). But the bootstrap config choices are limited and
645 * may not be sufficient for a given board.
647 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
648 void pci_target_init(struct pci_controller *hose)
651 * Set up Direct MMIO registers
654 * PowerPC440EPX PCI Master configuration.
655 * Map one 1Gig range of PLB/processor addresses to PCI memory space.
656 * PLB address 0x80000000-0xBFFFFFFF
657 * ==> PCI address 0x80000000-0xBFFFFFFF
658 * Use byte reversed out routines to handle endianess.
659 * Make this region non-prefetchable.
661 out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
662 /* - disabled b4 setting */
663 out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
664 out32r(PCIX0_PMM0PCILA,
665 CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
666 out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
667 out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
668 /* and enable region */
670 out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
671 /* - disabled b4 setting */
673 CFG_PCI_MEMBASE + 0x20000000); /* PMM0 Local Address */
674 out32r(PCIX0_PMM1PCILA,
675 CFG_PCI_MEMBASE + 0x20000000); /* PMM0 PCI Low Address */
676 out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
677 out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
678 /* and enable region */
680 out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
681 out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
682 out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
683 out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
686 * Set up Configuration registers
689 /* Program the board's subsystem id/vendor id */
690 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
691 CFG_PCI_SUBSYS_VENDORID);
692 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
694 /* Configure command register as bus master */
695 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
697 /* 240nS PCI clock */
698 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
700 /* No error reporting */
701 pci_write_config_word(0, PCI_ERREN, 0);
703 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
706 * Set up Configuration registers for on-board NEC uPD720101 USB
709 pci_write_config_dword(PCI_BDF(0x0, 0xC, 0x0), 0xE4, 0x00000020);
711 #endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
713 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
714 void pci_master_init(struct pci_controller *hose)
716 unsigned short temp_short;
719 * Write the PowerPC440 EP PCI Configuration regs.
720 * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
721 * Enable PowerPC440 EP to act as a PCI memory target (PTM).
723 pci_read_config_word(0, PCI_COMMAND, &temp_short);
724 pci_write_config_word(0, PCI_COMMAND,
725 temp_short | PCI_COMMAND_MASTER |
733 * This routine is called to determine if a pci scan should be
734 * performed. With various hardware environments (especially cPCI and
735 * PPMC) it's insufficient to depend on the state of the arbiter enable
736 * bit in the strap register, or generic host/adapter assumptions.
738 * Rather than hard-code a bad assumption in the general 440 code, the
739 * 440 pci code requires the board to decide at runtime.
741 * Return 0 for adapter mode, non-zero for host (monarch) mode.
743 #if defined(CONFIG_PCI)
744 int is_pci_host(struct pci_controller *hose)
746 /* Korat is always configured as host. */
749 #endif /* defined(CONFIG_PCI) */
751 #if defined(CONFIG_POST)
753 * Returns 1 if keys pressed to start the power-on long-running tests
754 * Called from board_init_f().
756 int post_hotkeys_pressed(void)
758 return 0; /* No hotkeys supported */
760 #endif /* CONFIG_POST */
762 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
763 void ft_board_setup(void *blob, bd_t *bd)
768 ft_cpu_setup(blob, bd);
770 /* Fixup NOR mapping */
771 val[0] = 1; /* chip select number */
772 val[1] = 0; /* always 0 */
773 val[2] = gd->bd->bi_flashstart;
774 val[3] = gd->bd->bi_flashsize - CFG_FLASH0_SIZE;
775 rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
776 val, sizeof(val), 1);
778 printf("Unable to update property NOR mapping, err=%s\n",
781 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */