2 * (C) Copyright 2007-2009
5 * (C) Copyright 2006-2007
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[CONFIG_SYS_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 *) CONFIG_SYS_CPLD_BASE + 0x05,
50 in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05) | 0x80);
52 out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x05,
53 in_8((u8 *) CONFIG_SYS_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 < CONFIG_SYS_KORAT_MAN_RESET_MS; ++mscount) {
71 if (gpio_read_in_bit(CONFIG_SYS_GPIO_RESET_PRESSED_)) {
72 /* This call does not return. */
73 korat_branch_absolute(
74 CONFIG_SYS_FLASH1_TOP - 2 * CONFIG_ENV_SECT_SIZE - 4);
78 while (!gpio_read_in_bit(CONFIG_SYS_GPIO_RESET_PRESSED_))
84 mtdcr(EBC0_CFGADDR, EBC0_CFG);
85 mtdcr(EBC0_CFGDATA, 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 *) CONFIG_SYS_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(CONFIG_SYS_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 *) CONFIG_SYS_CPLD_BASE + 0x03,
128 in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03) |
131 /* SFP module present: configure PHY for fiber and
133 gpio_write_bit(CONFIG_SYS_GPIO_PHY0_FIBER_SEL + eth, 1);
134 gpio_write_bit(CONFIG_SYS_GPIO_SFP0_TX_EN_ + eth, 0);
137 /* enable Ethernet: set GPIO45 and GPIO46 to 1 */
138 gpio_write_bit(CONFIG_SYS_GPIO_PHY0_EN, 1);
139 gpio_write_bit(CONFIG_SYS_GPIO_PHY1_EN, 1);
141 /* Wait 1 ms, then enable Fiber signal detect to PHYs. */
143 out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x03,
144 in_8((u8 *) CONFIG_SYS_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(SDR0_PCI0, reg);
161 mtsdr(SDR0_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 = CONFIG_SYS_FLASH0_SIZE;
180 info->sector_count = CONFIG_SYS_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 CONFIG_SYS_FLASH0_SIZE == 0x01000000
196 info->device_id2 = 0x2101;
197 #elif CONFIG_SYS_FLASH0_SIZE == 0x04000000
198 info->device_id2 = 0x2301;
200 #error Unable to set device_id2 for current CONFIG_SYS_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 - CONFIG_SYS_FLASH0_SIZE;
353 char const *const act = getenv("usbact");
354 char const *const usbcf = getenv("korat_usbcf");
357 * Re-do FLASH1 sizing and adjust flash start and offset.
359 gd->bd->bi_flashstart = CONFIG_SYS_FLASH1_TOP - flash1_size;
360 gd->bd->bi_flashoffset = 0;
362 mtdcr(EBC0_CFGADDR, PB1CR);
363 pbcr = mfdcr(EBC0_CFGDATA);
364 size_val = ffs(flash1_size) - 21;
365 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
366 mtdcr(EBC0_CFGADDR, PB1CR);
367 mtdcr(EBC0_CFGDATA, pbcr);
370 * Re-check to get correct base address
372 flash_get_size(gd->bd->bi_flashstart, 0);
375 * Re-do FLASH1 sizing and adjust flash offset to reserve space for
378 gd->bd->bi_flashoffset =
379 CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - CONFIG_SYS_FLASH1_ADDR;
381 mtdcr(EBC0_CFGADDR, PB1CR);
382 pbcr = mfdcr(EBC0_CFGDATA);
383 size_val = ffs(gd->bd->bi_flashsize - CONFIG_SYS_FLASH0_SIZE) - 21;
384 pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
385 mtdcr(EBC0_CFGADDR, PB1CR);
386 mtdcr(EBC0_CFGDATA, pbcr);
388 /* Monitor protection ON by default */
389 #if defined(CONFIG_KORAT_PERMANENT)
390 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE,
391 CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
394 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE,
395 CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1,
398 /* Env protection ON by default */
399 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR,
400 CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
402 (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND,
403 CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
410 * Select the USB controller on the 440EPx ("ppc") or on the PCI bus
411 * ("pci") for the CompactFlash.
413 if (usbcf != NULL && (strcmp(usbcf, "ppc") == 0)) {
415 * If environment variable "usbcf" is defined and set to "ppc",
416 * then connect the CompactFlash controller to the PowerPC USB
419 printf("Attaching CompactFalsh controller to PPC USB\n");
420 out_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02,
421 in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0x02) | 0x10);
423 if (usbcf != NULL && (strcmp(usbcf, "pci") != 0))
424 printf("Warning: \"korat_usbcf\" is not set to a legal "
425 "value (\"ppc\" or \"pci\")\n");
427 printf("Attaching CompactFalsh controller to PCI USB\n");
429 if (act == NULL || strcmp(act, "hostdev") == 0) {
431 mfsdr(SDR0_PFC1, sdr0_pfc1);
432 mfsdr(SDR0_USB2D0CR, usb2d0cr);
433 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
434 mfsdr(SDR0_USB2H0CR, usb2h0cr);
436 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
437 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
438 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
439 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
440 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
441 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
442 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
443 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
444 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
445 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
448 * An 8-bit/60MHz interface is the only possible alternative
449 * when connecting the Device to the PHY
451 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
452 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
455 * To enable the USB 2.0 Device function
456 * through the UTMI interface
458 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
459 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;
461 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
462 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;
464 mtsdr(SDR0_PFC1, sdr0_pfc1);
465 mtsdr(SDR0_USB2D0CR, usb2d0cr);
466 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
467 mtsdr(SDR0_USB2H0CR, usb2h0cr);
471 mtsdr(SDR0_SRST1, 0x00000000);
473 mtsdr(SDR0_SRST0, 0x00000000);
475 printf("USB: Host(int phy) Device(ext phy)\n");
477 } else if (strcmp(act, "dev") == 0) {
478 /*-------------------PATCH-------------------------------*/
479 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
481 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
482 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
483 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
484 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
485 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
486 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
487 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
488 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
489 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
492 mtsdr(SDR0_SRST1, 0x672c6000);
495 mtsdr(SDR0_SRST0, 0x00000080);
498 mtsdr(SDR0_SRST1, 0x60206000);
500 *(unsigned int *)(0xe0000350) = 0x00000001;
503 mtsdr(SDR0_SRST1, 0x60306000);
504 /*-------------------PATCH-------------------------------*/
507 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
508 mfsdr(SDR0_USB2H0CR, usb2h0cr);
509 mfsdr(SDR0_USB2D0CR, usb2d0cr);
510 mfsdr(SDR0_PFC1, sdr0_pfc1);
512 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
513 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
514 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
515 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
516 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
517 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
518 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
519 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
520 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
521 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
523 usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
524 usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
526 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
527 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;
529 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
530 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
532 mtsdr(SDR0_USB2H0CR, usb2h0cr);
533 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
534 mtsdr(SDR0_USB2D0CR, usb2d0cr);
535 mtsdr(SDR0_PFC1, sdr0_pfc1);
539 mtsdr(SDR0_SRST1, 0x00000000);
541 mtsdr(SDR0_SRST0, 0x00000000);
543 printf("USB: Device(int phy)\n");
546 mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
547 reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
548 mtsdr(SDR0_SRST1, reg);
551 * Clear PLB4A0_ACR[WRP]
552 * This fix will make the MAL burst disabling patch for the Linux
553 * EMAC driver obsolete.
555 reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
556 mtdcr(PLB4_ACR, reg);
560 gpio_write_bit(CONFIG_SYS_GPIO_ATMEGA_RESET_, 1);
567 char const *const s = getenv("serial#");
568 u8 const rev = in_8((u8 *) CONFIG_SYS_CPLD_BASE + 0);
570 printf("Board: Korat, Rev. %X", rev);
572 printf(", serial# %s", s);
574 printf(".\n Ethernet PHY 0: ");
575 if (gpio_read_out_bit(CONFIG_SYS_GPIO_PHY0_FIBER_SEL))
581 if (gpio_read_out_bit(CONFIG_SYS_GPIO_PHY1_FIBER_SEL))
587 #if defined(CONFIG_KORAT_PERMANENT)
588 printf(" Executing permanent copy of U-Boot.\n");
593 #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
595 * Assign interrupts to PCI devices.
597 void korat_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
599 pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2);
606 * This routine is called just prior to registering the hose and gives
607 * the board the opportunity to check things. Returning a value of zero
608 * indicates that things are bad & PCI initialization should be aborted.
610 * Different boards may wish to customize the pci controller structure
611 * (add regions, override default access routines, etc) or perform
612 * certain pre-initialization actions.
614 #if defined(CONFIG_PCI)
615 int pci_pre_init(struct pci_controller *hose)
620 * Set priority for all PLB3 devices to 0.
621 * Set PLB3 arbiter to fair mode.
623 mfsdr(SD0_AMP1, addr);
624 mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00);
625 addr = mfdcr(PLB3_ACR);
626 mtdcr(PLB3_ACR, addr | 0x80000000);
629 * Set priority for all PLB4 devices to 0.
631 mfsdr(SD0_AMP0, addr);
632 mtsdr(SD0_AMP0, (addr & 0x000000FF) | 0x0000FF00);
633 addr = mfdcr(PLB4_ACR) | 0xa0000000; /* Was 0x8---- */
634 mtdcr(PLB4_ACR, addr);
637 * Set Nebula PLB4 arbiter to fair mode.
640 addr = (mfdcr(PLB0_ACR) & ~PLB0_ACR_PPM_MASK) | PLB0_ACR_PPM_FAIR;
641 addr = (addr & ~PLB0_ACR_HBU_MASK) | PLB0_ACR_HBU_ENABLED;
642 addr = (addr & ~PLB0_ACR_RDP_MASK) | PLB0_ACR_RDP_4DEEP;
643 addr = (addr & ~PLB0_ACR_WRP_MASK) | PLB0_ACR_WRP_2DEEP;
644 mtdcr(PLB0_ACR, addr);
647 addr = (mfdcr(PLB1_ACR) & ~PLB1_ACR_PPM_MASK) | PLB1_ACR_PPM_FAIR;
648 addr = (addr & ~PLB1_ACR_HBU_MASK) | PLB1_ACR_HBU_ENABLED;
649 addr = (addr & ~PLB1_ACR_RDP_MASK) | PLB1_ACR_RDP_4DEEP;
650 addr = (addr & ~PLB1_ACR_WRP_MASK) | PLB1_ACR_WRP_2DEEP;
651 mtdcr(PLB1_ACR, addr);
653 #if defined(CONFIG_PCI_PNP)
654 hose->fixup_irq = korat_pci_fixup_irq;
659 #endif /* defined(CONFIG_PCI) */
664 * The bootstrap configuration provides default settings for the pci
665 * inbound map (PIM). But the bootstrap config choices are limited and
666 * may not be sufficient for a given board.
668 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
669 void pci_target_init(struct pci_controller *hose)
672 * Set up Direct MMIO registers
675 * PowerPC440EPX PCI Master configuration.
676 * Map one 1Gig range of PLB/processor addresses to PCI memory space.
677 * PLB address 0x80000000-0xBFFFFFFF
678 * ==> PCI address 0x80000000-0xBFFFFFFF
679 * Use byte reversed out routines to handle endianess.
680 * Make this region non-prefetchable.
682 out32r(PCIL0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
683 /* - disabled b4 setting */
684 out32r(PCIL0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */
685 out32r(PCIL0_PMM0PCILA,
686 CONFIG_SYS_PCI_MEMBASE); /* PMM0 PCI Low Address */
687 out32r(PCIL0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
688 out32r(PCIL0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */
689 /* and enable region */
691 out32r(PCIL0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */
692 /* - disabled b4 setting */
694 CONFIG_SYS_PCI_MEMBASE + 0x20000000); /* PMM0 Local Address */
695 out32r(PCIL0_PMM1PCILA,
696 CONFIG_SYS_PCI_MEMBASE + 0x20000000); /* PMM0 PCI Low Address */
697 out32r(PCIL0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
698 out32r(PCIL0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */
699 /* and enable region */
701 out32r(PCIL0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
702 out32r(PCIL0_PTM1LA, 0); /* Local Addr. Reg */
703 out32r(PCIL0_PTM2MS, 0); /* Memory Size/Attribute */
704 out32r(PCIL0_PTM2LA, 0); /* Local Addr. Reg */
707 * Set up Configuration registers
710 /* Program the board's subsystem id/vendor id */
711 pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
712 CONFIG_SYS_PCI_SUBSYS_VENDORID);
713 pci_write_config_word(0, PCI_SUBSYSTEM_ID, CONFIG_SYS_PCI_SUBSYS_ID);
715 /* Configure command register as bus master */
716 pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
718 /* 240nS PCI clock */
719 pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
721 /* No error reporting */
722 pci_write_config_word(0, PCI_ERREN, 0);
724 pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
727 * Set up Configuration registers for on-board NEC uPD720101 USB
730 pci_write_config_dword(PCI_BDF(0x0, 0xC, 0x0), 0xE4, 0x00000020);
732 #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
734 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
735 void pci_master_init(struct pci_controller *hose)
737 unsigned short temp_short;
740 * Write the PowerPC440 EP PCI Configuration regs.
741 * Enable PowerPC440 EP to be a master on the PCI bus (PMM).
742 * Enable PowerPC440 EP to act as a PCI memory target (PTM).
744 pci_read_config_word(0, PCI_COMMAND, &temp_short);
745 pci_write_config_word(0, PCI_COMMAND,
746 temp_short | PCI_COMMAND_MASTER |
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 - CONFIG_SYS_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) */