2 * (C) Copyright 2005-2007
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/processor.h>
27 #include <spd_sdram.h>
31 void ext_bus_cntlr_init(void);
32 void configure_ppc440ep_pins(void);
33 int is_nand_selected(void);
35 #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
36 /*************************************************************************
38 * Bamboo has one bank onboard sdram (plus DIMM)
40 * Fixed memory is composed of :
41 * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266,
42 * 13 row add bits, 10 column add bits (but 12 row used only).
43 * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266,
44 * 12 row add bits, 10 column add bits.
45 * Prepare a subset (only the used ones) of SPD data
47 * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of
48 * the corresponding bank is divided by 2 due to number of Row addresses
49 * 12 in the ECC module
51 * Assumes: 64 MB, ECC, non-registered
54 ************************************************************************/
55 const unsigned char cfg_simulate_spd_eeprom[128] = {
56 0x80, /* number of SPD bytes used: 128 */
57 0x08, /* total number bytes in SPD device = 256 */
60 0x0C, /* num Row Addr: 12 */
62 0x0D, /* num Row Addr: 13 */
64 0x09, /* numColAddr: 9 */
65 0x01, /* numBanks: 1 */
66 0x20, /* Module data width: 32 bits */
67 0x00, /* Module data width continued: +0 */
69 0x75, /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */
70 0x00, /* SDRAM Access from clock */
72 0x02, /* ECC ON : 02 OFF : 00 */
74 0x00, /* ECC ON : 02 OFF : 00 */
76 0x82, /* refresh Rate Type: Normal (7.8us) + Self refresh */
82 0x0C, /* casBit (2,2.5) */
85 0x00, /* not registered: 0 registered : 0x02*/
87 0xA0, /* SDRAM Cycle Time (cas latency 2) = 10 ns */
89 0x00, /* SDRAM Cycle Time (cas latency 1.5) = N.A */
91 0x50, /* tRpNs = 20 ns */
93 0x50, /* tRcdNs = 20 ns */
96 0x08, /* bankSizeID: 32MB */
98 0x10, /* bankSizeID: 64MB */
200 { /* GPIO Alternate1 Alternate2 Alternate3 */
203 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_0 -> EBC_ADDR(7) DMA_REQ(2) */
204 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_1 -> EBC_ADDR(6) DMA_ACK(2) */
205 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_2 -> EBC_ADDR(5) DMA_EOT/TC(2) */
206 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_3 -> EBC_ADDR(4) DMA_REQ(3) */
207 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_4 -> EBC_ADDR(3) DMA_ACK(3) */
208 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_5 ................. */
209 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_6 -> EBC_CS_N(1) */
210 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_7 -> EBC_CS_N(2) */
211 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_8 -> EBC_CS_N(3) */
212 { GPIO0_BASE, GPIO_DIS, GPIO_ALT1 }, /* GPIO0_9 -> EBC_CS_N(4) */
213 { GPIO0_BASE, GPIO_OUT, GPIO_ALT1 }, /* GPIO0_10 -> EBC_CS_N(5) */
214 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_11 -> EBC_BUS_ERR */
215 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_12 -> ZII_p0Rxd(0) */
216 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_13 -> ZII_p0Rxd(1) */
217 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_14 -> ZII_p0Rxd(2) */
218 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_15 -> ZII_p0Rxd(3) */
219 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_16 -> ZII_p0Txd(0) */
220 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_17 -> ZII_p0Txd(1) */
221 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_18 -> ZII_p0Txd(2) */
222 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_19 -> ZII_p0Txd(3) */
223 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_20 -> ZII_p0Rx_er */
224 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_21 -> ZII_p0Rx_dv */
225 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_22 -> ZII_p0RxCrs */
226 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_23 -> ZII_p0Tx_er */
227 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_24 -> ZII_p0Tx_en */
228 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_25 -> ZII_p0Col */
229 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_26 -> USB2D_RXVALID */
230 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_27 -> EXT_EBC_REQ USB2D_RXERROR */
231 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_28 -> USB2D_TXVALID */
232 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_29 -> EBC_EXT_HDLA USB2D_PAD_SUSPNDM */
233 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_30 -> EBC_EXT_ACK USB2D_XCVRSELECT */
234 { GPIO0_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO0_31 -> EBC_EXR_BUSREQ USB2D_TERMSELECT */
238 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_0 -> USB2D_OPMODE0 */
239 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_1 -> USB2D_OPMODE1 */
240 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_2 -> UART0_DCD_N UART1_DSR_CTS_N UART2_SOUT */
241 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_3 -> UART0_8PIN_DSR_N UART1_RTS_DTR_N UART2_SIN */
242 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_4 -> UART0_8PIN_CTS_N UART3_SIN */
243 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_5 -> UART0_RTS_N */
244 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_6 -> UART0_DTR_N UART1_SOUT */
245 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_7 -> UART0_RI_N UART1_SIN */
246 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_8 -> UIC_IRQ(0) */
247 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_9 -> UIC_IRQ(1) */
248 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_10 -> UIC_IRQ(2) */
249 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_11 -> UIC_IRQ(3) */
250 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_12 -> UIC_IRQ(4) DMA_ACK(1) */
251 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_13 -> UIC_IRQ(6) DMA_EOT/TC(1) */
252 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_14 -> UIC_IRQ(7) DMA_REQ(0) */
253 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_15 -> UIC_IRQ(8) DMA_ACK(0) */
254 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_16 -> UIC_IRQ(9) DMA_EOT/TC(0) */
255 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_17 -> - */
256 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_18 -> | */
257 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_19 -> | */
258 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_20 -> | */
259 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_21 -> | */
260 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_22 -> | */
261 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_23 -> \ Can be unselected thru TraceSelect Bit */
262 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_24 -> / in PowerPC440EP Chip */
263 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_25 -> | */
264 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_26 -> | */
265 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_27 -> | */
266 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_28 -> | */
267 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_29 -> | */
268 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_30 -> | */
269 { GPIO1_BASE, GPIO_DIS, GPIO_SEL }, /* GPIO1_31 -> - */
274 /*----------------------------------------------------------------------------+
275 | EBC Devices Characteristics
276 | Peripheral Bank Access Parameters - EBC0_BnAP
277 | Peripheral Bank Configuration Register - EBC0_BnCR
278 +----------------------------------------------------------------------------*/
280 #define EBC0_BNAP_SMALL_FLASH \
281 EBC0_BNAP_BME_DISABLED | \
282 EBC0_BNAP_TWT_ENCODE(6) | \
283 EBC0_BNAP_CSN_ENCODE(0) | \
284 EBC0_BNAP_OEN_ENCODE(1) | \
285 EBC0_BNAP_WBN_ENCODE(1) | \
286 EBC0_BNAP_WBF_ENCODE(3) | \
287 EBC0_BNAP_TH_ENCODE(1) | \
288 EBC0_BNAP_RE_ENABLED | \
289 EBC0_BNAP_SOR_DELAYED | \
290 EBC0_BNAP_BEM_WRITEONLY | \
291 EBC0_BNAP_PEN_DISABLED
293 #define EBC0_BNCR_SMALL_FLASH_CS0 \
294 EBC0_BNCR_BAS_ENCODE(0xFFF00000) | \
299 #define EBC0_BNCR_SMALL_FLASH_CS4 \
300 EBC0_BNCR_BAS_ENCODE(0x87F00000) | \
305 /* Large Flash or SRAM */
306 #define EBC0_BNAP_LARGE_FLASH_OR_SRAM \
307 EBC0_BNAP_BME_DISABLED | \
308 EBC0_BNAP_TWT_ENCODE(8) | \
309 EBC0_BNAP_CSN_ENCODE(0) | \
310 EBC0_BNAP_OEN_ENCODE(1) | \
311 EBC0_BNAP_WBN_ENCODE(1) | \
312 EBC0_BNAP_WBF_ENCODE(1) | \
313 EBC0_BNAP_TH_ENCODE(2) | \
314 EBC0_BNAP_SOR_DELAYED | \
316 EBC0_BNAP_PEN_DISABLED
318 #define EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS0 \
319 EBC0_BNCR_BAS_ENCODE(0xFF800000) | \
325 #define EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4 \
326 EBC0_BNCR_BAS_ENCODE(0x87800000) | \
332 #define EBC0_BNAP_NVRAM_FPGA \
333 EBC0_BNAP_BME_DISABLED | \
334 EBC0_BNAP_TWT_ENCODE(9) | \
335 EBC0_BNAP_CSN_ENCODE(0) | \
336 EBC0_BNAP_OEN_ENCODE(1) | \
337 EBC0_BNAP_WBN_ENCODE(1) | \
338 EBC0_BNAP_WBF_ENCODE(0) | \
339 EBC0_BNAP_TH_ENCODE(2) | \
340 EBC0_BNAP_RE_ENABLED | \
341 EBC0_BNAP_SOR_DELAYED | \
342 EBC0_BNAP_BEM_WRITEONLY | \
343 EBC0_BNAP_PEN_DISABLED
345 #define EBC0_BNCR_NVRAM_FPGA_CS5 \
346 EBC0_BNCR_BAS_ENCODE(0x80000000) | \
352 #define EBC0_BNAP_NAND_FLASH \
353 EBC0_BNAP_BME_DISABLED | \
354 EBC0_BNAP_TWT_ENCODE(3) | \
355 EBC0_BNAP_CSN_ENCODE(0) | \
356 EBC0_BNAP_OEN_ENCODE(0) | \
357 EBC0_BNAP_WBN_ENCODE(0) | \
358 EBC0_BNAP_WBF_ENCODE(0) | \
359 EBC0_BNAP_TH_ENCODE(1) | \
360 EBC0_BNAP_RE_ENABLED | \
361 EBC0_BNAP_SOR_NOT_DELAYED | \
363 EBC0_BNAP_PEN_DISABLED
366 #define EBC0_BNCR_NAND_FLASH_CS0 0xB8400000
369 #define EBC0_BNCR_NAND_FLASH_CS1 \
370 EBC0_BNCR_BAS_ENCODE(0x90000000) | \
375 #define EBC0_BNCR_NAND_FLASH_CS2 \
376 EBC0_BNCR_BAS_ENCODE(0x94000000) | \
382 #define EBC0_BNCR_NAND_FLASH_CS3 \
383 EBC0_BNCR_BAS_ENCODE(0x94000000) | \
388 int board_early_init_f(void)
390 ext_bus_cntlr_init();
392 /*--------------------------------------------------------------------
393 * Setup the interrupt controller polarities, triggers, etc.
394 *-------------------------------------------------------------------*/
395 mtdcr(UIC0SR, 0xffffffff); /* clear all */
396 mtdcr(UIC0ER, 0x00000000); /* disable all */
397 mtdcr(UIC0CR, 0x00000009); /* ATI & UIC1 crit are critical */
398 mtdcr(UIC0PR, 0xfffffe13); /* per ref-board manual */
399 mtdcr(UIC0TR, 0x01c00008); /* per ref-board manual */
400 mtdcr(UIC0VR, 0x00000001); /* int31 highest, base=0x000 */
401 mtdcr(UIC0SR, 0xffffffff); /* clear all */
403 mtdcr(UIC1SR, 0xffffffff); /* clear all */
404 mtdcr(UIC1ER, 0x00000000); /* disable all */
405 mtdcr(UIC1CR, 0x00000000); /* all non-critical */
406 mtdcr(UIC1PR, 0xffffe0ff); /* per ref-board manual */
407 mtdcr(UIC1TR, 0x00ffc000); /* per ref-board manual */
408 mtdcr(UIC1VR, 0x00000001); /* int31 highest, base=0x000 */
409 mtdcr(UIC1SR, 0xffffffff); /* clear all */
411 /*--------------------------------------------------------------------
412 * Setup the GPIO pins
413 *-------------------------------------------------------------------*/
414 out32(GPIO0_OSRL, 0x00000400);
415 out32(GPIO0_OSRH, 0x00000000);
416 out32(GPIO0_TSRL, 0x00000400);
417 out32(GPIO0_TSRH, 0x00000000);
418 out32(GPIO0_ISR1L, 0x00000000);
419 out32(GPIO0_ISR1H, 0x00000000);
420 out32(GPIO0_ISR2L, 0x00000000);
421 out32(GPIO0_ISR2H, 0x00000000);
422 out32(GPIO0_ISR3L, 0x00000000);
423 out32(GPIO0_ISR3H, 0x00000000);
425 out32(GPIO1_OSRL, 0x0C380000);
426 out32(GPIO1_OSRH, 0x00000000);
427 out32(GPIO1_TSRL, 0x0C380000);
428 out32(GPIO1_TSRH, 0x00000000);
429 out32(GPIO1_ISR1L, 0x0FC30000);
430 out32(GPIO1_ISR1H, 0x00000000);
431 out32(GPIO1_ISR2L, 0x0C010000);
432 out32(GPIO1_ISR2H, 0x00000000);
433 out32(GPIO1_ISR3L, 0x01400000);
434 out32(GPIO1_ISR3H, 0x00000000);
436 configure_ppc440ep_pins();
443 char *s = getenv("serial#");
445 printf("Board: Bamboo - AMCC PPC440EP Evaluation Board");
456 phys_size_t initdram (int board_type)
458 #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
461 dram_size = spd_sdram();
465 return CONFIG_SYS_MBYTES_SDRAM << 20;
469 /*************************************************************************
472 ************************************************************************/
473 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
474 void pci_master_init(struct pci_controller *hose)
476 unsigned short temp_short;
478 /*--------------------------------------------------------------------------+
479 | Write the PowerPC440 EP PCI Configuration regs.
480 | Enable PowerPC440 EP to be a master on the PCI bus (PMM).
481 | Enable PowerPC440 EP to act as a PCI memory target (PTM).
482 +--------------------------------------------------------------------------*/
483 pci_read_config_word(0, PCI_COMMAND, &temp_short);
484 pci_write_config_word(0, PCI_COMMAND,
485 temp_short | PCI_COMMAND_MASTER |
488 #endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */
490 /*----------------------------------------------------------------------------+
491 | is_powerpc440ep_pass1.
492 +----------------------------------------------------------------------------*/
493 int is_powerpc440ep_pass1(void)
499 if (pvr == PVR_POWERPC_440EP_PASS1)
501 else if (pvr == PVR_POWERPC_440EP_PASS2)
504 printf("brdutil error 3\n");
512 /*----------------------------------------------------------------------------+
514 +----------------------------------------------------------------------------*/
515 int is_nand_selected(void)
517 #ifdef CONFIG_BAMBOO_NAND
524 /*----------------------------------------------------------------------------+
525 | config_on_ebc_cs4_is_small_flash => from EPLD
526 +----------------------------------------------------------------------------*/
527 unsigned char config_on_ebc_cs4_is_small_flash(void)
529 /* Not implemented yet => returns constant value */
533 /*----------------------------------------------------------------------------+
534 | Ext_bus_cntlr_init.
535 | Initialize the external bus controller
536 +----------------------------------------------------------------------------*/
537 void ext_bus_cntlr_init(void)
539 unsigned long sdr0_pstrp0, sdr0_sdstp1;
540 unsigned long bootstrap_settings, boot_selection, ebc_boot_size;
541 int computed_boot_device = BOOT_DEVICE_UNKNOWN;
542 unsigned long ebc0_cs0_bnap_value = 0, ebc0_cs0_bncr_value = 0;
543 unsigned long ebc0_cs1_bnap_value = 0, ebc0_cs1_bncr_value = 0;
544 unsigned long ebc0_cs2_bnap_value = 0, ebc0_cs2_bncr_value = 0;
545 unsigned long ebc0_cs3_bnap_value = 0, ebc0_cs3_bncr_value = 0;
546 unsigned long ebc0_cs4_bnap_value = 0, ebc0_cs4_bncr_value = 0;
549 /*-------------------------------------------------------------------------+
551 | PART 1 : Initialize EBC Bank 5
552 | ==============================
553 | Bank5 is always associated to the NVRAM/EPLD.
554 | It has to be initialized prior to other banks settings computation since
555 | some board registers values may be needed
557 +-------------------------------------------------------------------------*/
559 mtebc(PB5AP, EBC0_BNAP_NVRAM_FPGA);
560 mtebc(PB5CR, EBC0_BNCR_NVRAM_FPGA_CS5);
562 /*-------------------------------------------------------------------------+
564 | PART 2 : Determine which boot device was selected
565 | =========================================
567 | Read Pin Strap Register in PPC440EP
568 | In case of boot from IIC, read Serial Device Strap Register1
570 | Result can either be :
571 | - Boot from EBC 8bits => SMALL FLASH
572 | - Boot from EBC 16bits => Large Flash or SRAM
573 | - Boot from NAND Flash
576 +-------------------------------------------------------------------------*/
577 /* Read Pin Strap Register in PPC440EP */
578 mfsdr(sdr_pstrp0, sdr0_pstrp0);
579 bootstrap_settings = sdr0_pstrp0 & SDR0_PSTRP0_BOOTSTRAP_MASK;
581 /*-------------------------------------------------------------------------+
583 +-------------------------------------------------------------------------*/
584 if (is_powerpc440ep_pass1() == TRUE) {
585 switch(bootstrap_settings) {
586 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS0:
587 /* Default Strap Settings 0 : CPU 400 - PLB 133 - Boot EBC 8 bit 33MHz */
588 /* Boot from Small Flash */
589 computed_boot_device = BOOT_FROM_SMALL_FLASH;
591 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS1:
592 /* Default Strap Settings 1 : CPU 533 - PLB 133 - Boot PCI 66MHz */
594 computed_boot_device = BOOT_FROM_PCI;
597 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS2:
598 /* Default Strap Settings 2 : CPU 500 - PLB 100 - Boot NDFC16 66MHz */
599 /* Boot from Nand Flash */
600 computed_boot_device = BOOT_FROM_NAND_FLASH0;
603 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS3:
604 /* Default Strap Settings 3 : CPU 333 - PLB 133 - Boot EBC 8 bit 66MHz */
605 /* Boot from Small Flash */
606 computed_boot_device = BOOT_FROM_SMALL_FLASH;
609 case SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN:
610 case SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN:
611 /* Boot Settings in IIC EEprom address 0xA8 or 0xA4 */
612 /* Read Serial Device Strap Register1 in PPC440EP */
613 mfsdr(SDR0_SDSTP1, sdr0_sdstp1);
614 boot_selection = sdr0_sdstp1 & SDR0_SDSTP1_BOOT_SEL_MASK;
615 ebc_boot_size = sdr0_sdstp1 & SDR0_SDSTP1_EBC_ROM_BS_MASK;
617 switch(boot_selection) {
618 case SDR0_SDSTP1_BOOT_SEL_EBC:
619 switch(ebc_boot_size) {
620 case SDR0_SDSTP1_EBC_ROM_BS_16BIT:
621 computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM;
623 case SDR0_SDSTP1_EBC_ROM_BS_8BIT:
624 computed_boot_device = BOOT_FROM_SMALL_FLASH;
629 case SDR0_SDSTP1_BOOT_SEL_PCI:
630 computed_boot_device = BOOT_FROM_PCI;
633 case SDR0_SDSTP1_BOOT_SEL_NDFC:
634 computed_boot_device = BOOT_FROM_NAND_FLASH0;
641 /*-------------------------------------------------------------------------+
643 +-------------------------------------------------------------------------*/
645 switch(bootstrap_settings) {
646 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS0:
647 /* Default Strap Settings 0 : CPU 400 - PLB 133 - Boot EBC 8 bit 33MHz */
648 /* Boot from Small Flash */
649 computed_boot_device = BOOT_FROM_SMALL_FLASH;
651 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS1:
652 /* Default Strap Settings 1 : CPU 333 - PLB 133 - Boot PCI 66MHz */
654 computed_boot_device = BOOT_FROM_PCI;
657 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS2:
658 /* Default Strap Settings 2 : CPU 400 - PLB 100 - Boot NDFC16 33MHz */
659 /* Boot from Nand Flash */
660 computed_boot_device = BOOT_FROM_NAND_FLASH0;
663 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS3:
664 /* Default Strap Settings 3 : CPU 400 - PLB 100 - Boot EBC 16 bit 33MHz */
665 /* Boot from Large Flash or SRAM */
666 computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM;
669 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS4:
670 /* Default Strap Settings 4 : CPU 333 - PLB 133 - Boot EBC 16 bit 66MHz */
671 /* Boot from Large Flash or SRAM */
672 computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM;
675 case SDR0_PSTRP0_BOOTSTRAP_SETTINGS6:
676 /* Default Strap Settings 6 : CPU 400 - PLB 100 - Boot PCI 33MHz */
678 computed_boot_device = BOOT_FROM_PCI;
681 case SDR0_PSTRP0_BOOTSTRAP_IIC_A8_EN:
682 case SDR0_PSTRP0_BOOTSTRAP_IIC_A4_EN:
683 /* Default Strap Settings 5-7 */
684 /* Boot Settings in IIC EEprom address 0xA8 or 0xA4 */
685 /* Read Serial Device Strap Register1 in PPC440EP */
686 mfsdr(SDR0_SDSTP1, sdr0_sdstp1);
687 boot_selection = sdr0_sdstp1 & SDR0_SDSTP1_BOOT_SEL_MASK;
688 ebc_boot_size = sdr0_sdstp1 & SDR0_SDSTP1_EBC_ROM_BS_MASK;
690 switch(boot_selection) {
691 case SDR0_SDSTP1_BOOT_SEL_EBC:
692 switch(ebc_boot_size) {
693 case SDR0_SDSTP1_EBC_ROM_BS_16BIT:
694 computed_boot_device = BOOT_FROM_LARGE_FLASH_OR_SRAM;
696 case SDR0_SDSTP1_EBC_ROM_BS_8BIT:
697 computed_boot_device = BOOT_FROM_SMALL_FLASH;
702 case SDR0_SDSTP1_BOOT_SEL_PCI:
703 computed_boot_device = BOOT_FROM_PCI;
706 case SDR0_SDSTP1_BOOT_SEL_NDFC:
707 computed_boot_device = BOOT_FROM_NAND_FLASH0;
714 /*-------------------------------------------------------------------------+
716 | PART 3 : Compute EBC settings depending on selected boot device
717 | ====== ======================================================
719 | Resulting EBC init will be among following configurations :
721 | - Boot from EBC 8bits => boot from SMALL FLASH selected
722 | EBC-CS0 = Small Flash
723 | EBC-CS1,2,3 = NAND Flash or
724 | Exp.Slot depending on Soft Config
725 | EBC-CS4 = SRAM/Large Flash or
726 | Large Flash/SRAM depending on jumpers
727 | EBC-CS5 = NVRAM / EPLD
729 | - Boot from EBC 16bits => boot from Large Flash or SRAM selected
730 | EBC-CS0 = SRAM/Large Flash or
731 | Large Flash/SRAM depending on jumpers
732 | EBC-CS1,2,3 = NAND Flash or
733 | Exp.Slot depending on Software Configuration
734 | EBC-CS4 = Small Flash
735 | EBC-CS5 = NVRAM / EPLD
737 | - Boot from NAND Flash
738 | EBC-CS0 = NAND Flash0
739 | EBC-CS1,2,3 = NAND Flash1
740 | EBC-CS4 = SRAM/Large Flash or
741 | Large Flash/SRAM depending on jumpers
742 | EBC-CS5 = NVRAM / EPLD
746 | EBC-CS1,2,3 = NAND Flash or
747 | Exp.Slot depending on Software Configuration
748 | EBC-CS4 = SRAM/Large Flash or
749 | Large Flash/SRAM or
750 | Small Flash depending on jumpers
751 | EBC-CS5 = NVRAM / EPLD
753 +-------------------------------------------------------------------------*/
755 switch(computed_boot_device) {
756 /*------------------------------------------------------------------------- */
757 case BOOT_FROM_SMALL_FLASH:
758 /*------------------------------------------------------------------------- */
759 ebc0_cs0_bnap_value = EBC0_BNAP_SMALL_FLASH;
760 ebc0_cs0_bncr_value = EBC0_BNCR_SMALL_FLASH_CS0;
761 if ((is_nand_selected()) == TRUE) {
763 ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
764 ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
765 ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH;
766 ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2;
767 ebc0_cs3_bnap_value = 0;
768 ebc0_cs3_bncr_value = 0;
771 ebc0_cs1_bnap_value = 0;
772 ebc0_cs1_bncr_value = 0;
773 ebc0_cs2_bnap_value = 0;
774 ebc0_cs2_bncr_value = 0;
775 ebc0_cs3_bnap_value = 0;
776 ebc0_cs3_bncr_value = 0;
778 ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM;
779 ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4;
783 /*------------------------------------------------------------------------- */
784 case BOOT_FROM_LARGE_FLASH_OR_SRAM:
785 /*------------------------------------------------------------------------- */
786 ebc0_cs0_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM;
787 ebc0_cs0_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS0;
788 if ((is_nand_selected()) == TRUE) {
790 ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
791 ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
792 ebc0_cs2_bnap_value = 0;
793 ebc0_cs2_bncr_value = 0;
794 ebc0_cs3_bnap_value = 0;
795 ebc0_cs3_bncr_value = 0;
798 ebc0_cs1_bnap_value = 0;
799 ebc0_cs1_bncr_value = 0;
800 ebc0_cs2_bnap_value = 0;
801 ebc0_cs2_bncr_value = 0;
802 ebc0_cs3_bnap_value = 0;
803 ebc0_cs3_bncr_value = 0;
805 ebc0_cs4_bnap_value = EBC0_BNAP_SMALL_FLASH;
806 ebc0_cs4_bncr_value = EBC0_BNCR_SMALL_FLASH_CS4;
810 /*------------------------------------------------------------------------- */
811 case BOOT_FROM_NAND_FLASH0:
812 /*------------------------------------------------------------------------- */
813 ebc0_cs0_bnap_value = EBC0_BNAP_NAND_FLASH;
814 ebc0_cs0_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
816 ebc0_cs1_bnap_value = 0;
817 ebc0_cs1_bncr_value = 0;
818 ebc0_cs2_bnap_value = 0;
819 ebc0_cs2_bncr_value = 0;
820 ebc0_cs3_bnap_value = 0;
821 ebc0_cs3_bncr_value = 0;
823 /* Large Flash or SRAM */
824 ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM;
825 ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4;
829 /*------------------------------------------------------------------------- */
831 /*------------------------------------------------------------------------- */
832 ebc0_cs0_bnap_value = 0;
833 ebc0_cs0_bncr_value = 0;
835 if ((is_nand_selected()) == TRUE) {
837 ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH;
838 ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1;
839 ebc0_cs2_bnap_value = 0;
840 ebc0_cs2_bncr_value = 0;
841 ebc0_cs3_bnap_value = 0;
842 ebc0_cs3_bncr_value = 0;
845 ebc0_cs1_bnap_value = 0;
846 ebc0_cs1_bncr_value = 0;
847 ebc0_cs2_bnap_value = 0;
848 ebc0_cs2_bncr_value = 0;
849 ebc0_cs3_bnap_value = 0;
850 ebc0_cs3_bncr_value = 0;
853 if ((config_on_ebc_cs4_is_small_flash()) == TRUE) {
855 ebc0_cs4_bnap_value = EBC0_BNAP_SMALL_FLASH;
856 ebc0_cs4_bncr_value = EBC0_BNCR_SMALL_FLASH_CS4;
858 /* Large Flash or SRAM */
859 ebc0_cs4_bnap_value = EBC0_BNAP_LARGE_FLASH_OR_SRAM;
860 ebc0_cs4_bncr_value = EBC0_BNCR_LARGE_FLASH_OR_SRAM_CS4;
865 /*------------------------------------------------------------------------- */
866 case BOOT_DEVICE_UNKNOWN:
867 /*------------------------------------------------------------------------- */
874 /*-------------------------------------------------------------------------+
875 | Initialize EBC CONFIG
876 +-------------------------------------------------------------------------*/
877 mtdcr(EBC0_CFGADDR, EBC0_CFG);
878 mtdcr(EBC0_CFGDATA, EBC0_CFG_EBTC_DRIVEN |
879 EBC0_CFG_PTD_ENABLED |
880 EBC0_CFG_RTC_2048PERCLK |
883 EBC0_CFG_CSTC_DRIVEN |
886 EBC0_CFG_PME_DISABLED |
887 EBC0_CFG_PMT_ENCODE(0) );
889 /*-------------------------------------------------------------------------+
890 | Initialize EBC Bank 0-4
891 +-------------------------------------------------------------------------*/
893 mtebc(PB0AP, ebc0_cs0_bnap_value);
894 mtebc(PB0CR, ebc0_cs0_bncr_value);
896 mtebc(PB1AP, ebc0_cs1_bnap_value);
897 mtebc(PB1CR, ebc0_cs1_bncr_value);
899 mtebc(PB2AP, ebc0_cs2_bnap_value);
900 mtebc(PB2CR, ebc0_cs2_bncr_value);
902 mtebc(PB3AP, ebc0_cs3_bnap_value);
903 mtebc(PB3CR, ebc0_cs3_bncr_value);
905 mtebc(PB4AP, ebc0_cs4_bnap_value);
906 mtebc(PB4CR, ebc0_cs4_bncr_value);
912 /*----------------------------------------------------------------------------+
913 | get_uart_configuration.
914 +----------------------------------------------------------------------------*/
915 uart_config_nb_t get_uart_configuration(void)
920 /*----------------------------------------------------------------------------+
921 | set_phy_configuration_through_fpga => to EPLD
922 +----------------------------------------------------------------------------*/
923 void set_phy_configuration_through_fpga(zmii_config_t config)
926 unsigned long fpga_selection_reg;
928 fpga_selection_reg = in8(FPGA_SELECTION_1_REG) & ~FPGA_SEL_1_REG_PHY_MASK;
932 case ZMII_CONFIGURATION_IS_MII:
933 fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_MII;
935 case ZMII_CONFIGURATION_IS_RMII:
936 fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_RMII;
938 case ZMII_CONFIGURATION_IS_SMII:
939 fpga_selection_reg = fpga_selection_reg | FPGA_SEL_1_REG_SMII;
941 case ZMII_CONFIGURATION_UNKNOWN:
945 out8(FPGA_SELECTION_1_REG,fpga_selection_reg);
949 /*----------------------------------------------------------------------------+
950 | scp_selection_in_fpga.
951 +----------------------------------------------------------------------------*/
952 void scp_selection_in_fpga(void)
954 unsigned long fpga_selection_2_reg;
956 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_IIC1_SCP_SEL_MASK;
957 fpga_selection_2_reg |= FPGA_SEL2_REG_SEL_SCP;
958 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
961 /*----------------------------------------------------------------------------+
962 | iic1_selection_in_fpga.
963 +----------------------------------------------------------------------------*/
964 void iic1_selection_in_fpga(void)
966 unsigned long fpga_selection_2_reg;
968 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_IIC1_SCP_SEL_MASK;
969 fpga_selection_2_reg |= FPGA_SEL2_REG_SEL_IIC1;
970 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
973 /*----------------------------------------------------------------------------+
974 | dma_a_b_selection_in_fpga.
975 +----------------------------------------------------------------------------*/
976 void dma_a_b_selection_in_fpga(void)
978 unsigned long fpga_selection_2_reg;
980 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) | FPGA_SEL2_REG_SEL_DMA_A_B;
981 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
984 /*----------------------------------------------------------------------------+
985 | dma_a_b_unselect_in_fpga.
986 +----------------------------------------------------------------------------*/
987 void dma_a_b_unselect_in_fpga(void)
989 unsigned long fpga_selection_2_reg;
991 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_SEL_DMA_A_B;
992 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
995 /*----------------------------------------------------------------------------+
996 | dma_c_d_selection_in_fpga.
997 +----------------------------------------------------------------------------*/
998 void dma_c_d_selection_in_fpga(void)
1000 unsigned long fpga_selection_2_reg;
1002 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) | FPGA_SEL2_REG_SEL_DMA_C_D;
1003 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
1006 /*----------------------------------------------------------------------------+
1007 | dma_c_d_unselect_in_fpga.
1008 +----------------------------------------------------------------------------*/
1009 void dma_c_d_unselect_in_fpga(void)
1011 unsigned long fpga_selection_2_reg;
1013 fpga_selection_2_reg = in8(FPGA_SELECTION_2_REG) & ~FPGA_SEL2_REG_SEL_DMA_C_D;
1014 out8(FPGA_SELECTION_2_REG,fpga_selection_2_reg);
1017 /*----------------------------------------------------------------------------+
1018 | usb2_device_selection_in_fpga.
1019 +----------------------------------------------------------------------------*/
1020 void usb2_device_selection_in_fpga(void)
1022 unsigned long fpga_selection_1_reg;
1024 fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) | FPGA_SEL_1_REG_USB2_DEV_SEL;
1025 out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg);
1028 /*----------------------------------------------------------------------------+
1029 | usb2_device_reset_through_fpga.
1030 +----------------------------------------------------------------------------*/
1031 void usb2_device_reset_through_fpga(void)
1033 /* Perform soft Reset pulse */
1034 unsigned long fpga_reset_reg;
1037 fpga_reset_reg = in8(FPGA_RESET_REG);
1038 out8(FPGA_RESET_REG,fpga_reset_reg | FPGA_RESET_REG_RESET_USB20_DEV);
1039 for (i=0; i<500; i++)
1041 out8(FPGA_RESET_REG,fpga_reset_reg);
1044 /*----------------------------------------------------------------------------+
1045 | usb2_host_selection_in_fpga.
1046 +----------------------------------------------------------------------------*/
1047 void usb2_host_selection_in_fpga(void)
1049 unsigned long fpga_selection_1_reg;
1051 fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) | FPGA_SEL_1_REG_USB2_HOST_SEL;
1052 out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg);
1055 /*----------------------------------------------------------------------------+
1056 | ndfc_selection_in_fpga.
1057 +----------------------------------------------------------------------------*/
1058 void ndfc_selection_in_fpga(void)
1060 unsigned long fpga_selection_1_reg;
1062 fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) &~FPGA_SEL_1_REG_NF_SELEC_MASK;
1063 fpga_selection_1_reg |= FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1;
1064 fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2;
1065 out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg);
1068 /*----------------------------------------------------------------------------+
1069 | uart_selection_in_fpga.
1070 +----------------------------------------------------------------------------*/
1071 void uart_selection_in_fpga(uart_config_nb_t uart_config)
1074 unsigned char fpga_selection_3_reg;
1076 /* Read FPGA Reagister */
1077 fpga_selection_3_reg = in8(FPGA_SELECTION_3_REG);
1079 switch (uart_config)
1082 /* ----------------------------------------------------------------------- */
1083 /* L1 configuration: UART0 = 8 pins */
1084 /* ----------------------------------------------------------------------- */
1085 /* Configure FPGA */
1086 fpga_selection_3_reg = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK;
1087 fpga_selection_3_reg = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG1;
1088 out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg);
1093 /* ----------------------------------------------------------------------- */
1094 /* L2 configuration: UART0 = 4 pins */
1095 /* UART1 = 4 pins */
1096 /* ----------------------------------------------------------------------- */
1097 /* Configure FPGA */
1098 fpga_selection_3_reg = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK;
1099 fpga_selection_3_reg = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG2;
1100 out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg);
1105 /* ----------------------------------------------------------------------- */
1106 /* L3 configuration: UART0 = 4 pins */
1107 /* UART1 = 2 pins */
1108 /* UART2 = 2 pins */
1109 /* ----------------------------------------------------------------------- */
1110 /* Configure FPGA */
1111 fpga_selection_3_reg = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK;
1112 fpga_selection_3_reg = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG3;
1113 out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg);
1117 /* Configure FPGA */
1118 fpga_selection_3_reg = fpga_selection_3_reg & ~FPGA_SEL3_REG_SEL_UART_CONFIG_MASK;
1119 fpga_selection_3_reg = fpga_selection_3_reg | FPGA_SEL3_REG_SEL_UART_CONFIG4;
1120 out8(FPGA_SELECTION_3_REG, fpga_selection_3_reg);
1125 /* Unsupported UART configuration number */
1134 /*----------------------------------------------------------------------------+
1136 +----------------------------------------------------------------------------*/
1137 void init_default_gpio(gpio_param_s (*gpio_tab)[GPIO_MAX])
1142 for(i=0; i<GPIO_MAX; i++)
1144 gpio_tab[GPIO0][i].add = GPIO0_BASE;
1145 gpio_tab[GPIO0][i].in_out = GPIO_DIS;
1146 gpio_tab[GPIO0][i].alt_nb = GPIO_SEL;
1150 for(i=0; i<GPIO_MAX; i++)
1152 gpio_tab[GPIO1][i].add = GPIO1_BASE;
1153 gpio_tab[GPIO1][i].in_out = GPIO_DIS;
1154 gpio_tab[GPIO1][i].alt_nb = GPIO_SEL;
1157 /* EBC_CS_N(5) - GPIO0_10 */
1158 gpio_tab[GPIO0][10].in_out = GPIO_OUT;
1159 gpio_tab[GPIO0][10].alt_nb = GPIO_ALT1;
1161 /* EBC_CS_N(4) - GPIO0_9 */
1162 gpio_tab[GPIO0][9].in_out = GPIO_OUT;
1163 gpio_tab[GPIO0][9].alt_nb = GPIO_ALT1;
1166 /*----------------------------------------------------------------------------+
1168 +------------------------------------------------------------------------------
1170 | Set UART Configuration in PowerPC440EP
1172 | +---------------------------------------------------------------------+
1173 | | Configuartion | Connector | Nb of pins | Pins | Associated |
1174 | | Number | Port Name | available | naming | CORE |
1175 | +-----------------+---------------+------------+--------+-------------+
1176 | | L1 | Port_A | 8 | UART | UART core 0 |
1177 | +-----------------+---------------+------------+--------+-------------+
1178 | | L2 | Port_A | 4 | UART1 | UART core 0 |
1179 | | (L2D) | Port_B | 4 | UART2 | UART core 1 |
1180 | +-----------------+---------------+------------+--------+-------------+
1181 | | L3 | Port_A | 4 | UART1 | UART core 0 |
1182 | | (L3D) | Port_B | 2 | UART2 | UART core 1 |
1183 | | | Port_C | 2 | UART3 | UART core 2 |
1184 | +-----------------+---------------+------------+--------+-------------+
1185 | | | Port_A | 2 | UART1 | UART core 0 |
1186 | | L4 | Port_B | 2 | UART2 | UART core 1 |
1187 | | (L4D) | Port_C | 2 | UART3 | UART core 2 |
1188 | | | Port_D | 2 | UART4 | UART core 3 |
1189 | +-----------------+---------------+------------+--------+-------------+
1193 | +------------------------------------------------------------------------------+
1194 | | GPIO | Aternate 1 | I/O | Alternate 2 | I/O | Alternate 3 | I/O |
1195 | +---------+------------------+-----+-----------------+-----+-------------+-----+
1196 | | GPIO1_2 | UART0_DCD_N | I | UART1_DSR_CTS_N | I | UART2_SOUT | O |
1197 | | GPIO1_3 | UART0_8PIN_DSR_N | I | UART1_RTS_DTR_N | O | UART2_SIN | I |
1198 | | GPIO1_4 | UART0_8PIN_CTS_N | I | NA | NA | UART3_SIN | I |
1199 | | GPIO1_5 | UART0_RTS_N | O | NA | NA | UART3_SOUT | O |
1200 | | GPIO1_6 | UART0_DTR_N | O | UART1_SOUT | O | NA | NA |
1201 | | GPIO1_7 | UART0_RI_N | I | UART1_SIN | I | NA | NA |
1202 | +------------------------------------------------------------------------------+
1205 +----------------------------------------------------------------------------*/
1207 void update_uart_ios(uart_config_nb_t uart_config, gpio_param_s (*gpio_tab)[GPIO_MAX])
1209 switch (uart_config)
1212 /* ----------------------------------------------------------------------- */
1213 /* L1 configuration: UART0 = 8 pins */
1214 /* ----------------------------------------------------------------------- */
1215 /* Update GPIO Configuration Table */
1216 gpio_tab[GPIO1][2].in_out = GPIO_IN;
1217 gpio_tab[GPIO1][2].alt_nb = GPIO_ALT1;
1219 gpio_tab[GPIO1][3].in_out = GPIO_IN;
1220 gpio_tab[GPIO1][3].alt_nb = GPIO_ALT1;
1222 gpio_tab[GPIO1][4].in_out = GPIO_IN;
1223 gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1;
1225 gpio_tab[GPIO1][5].in_out = GPIO_OUT;
1226 gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1;
1228 gpio_tab[GPIO1][6].in_out = GPIO_OUT;
1229 gpio_tab[GPIO1][6].alt_nb = GPIO_ALT1;
1231 gpio_tab[GPIO1][7].in_out = GPIO_IN;
1232 gpio_tab[GPIO1][7].alt_nb = GPIO_ALT1;
1237 /* ----------------------------------------------------------------------- */
1238 /* L2 configuration: UART0 = 4 pins */
1239 /* UART1 = 4 pins */
1240 /* ----------------------------------------------------------------------- */
1241 /* Update GPIO Configuration Table */
1242 gpio_tab[GPIO1][2].in_out = GPIO_IN;
1243 gpio_tab[GPIO1][2].alt_nb = GPIO_ALT2;
1245 gpio_tab[GPIO1][3].in_out = GPIO_OUT;
1246 gpio_tab[GPIO1][3].alt_nb = GPIO_ALT2;
1248 gpio_tab[GPIO1][4].in_out = GPIO_IN;
1249 gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1;
1251 gpio_tab[GPIO1][5].in_out = GPIO_OUT;
1252 gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1;
1254 gpio_tab[GPIO1][6].in_out = GPIO_OUT;
1255 gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2;
1257 gpio_tab[GPIO1][7].in_out = GPIO_IN;
1258 gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2;
1263 /* ----------------------------------------------------------------------- */
1264 /* L3 configuration: UART0 = 4 pins */
1265 /* UART1 = 2 pins */
1266 /* UART2 = 2 pins */
1267 /* ----------------------------------------------------------------------- */
1268 /* Update GPIO Configuration Table */
1269 gpio_tab[GPIO1][2].in_out = GPIO_OUT;
1270 gpio_tab[GPIO1][2].alt_nb = GPIO_ALT3;
1272 gpio_tab[GPIO1][3].in_out = GPIO_IN;
1273 gpio_tab[GPIO1][3].alt_nb = GPIO_ALT3;
1275 gpio_tab[GPIO1][4].in_out = GPIO_IN;
1276 gpio_tab[GPIO1][4].alt_nb = GPIO_ALT1;
1278 gpio_tab[GPIO1][5].in_out = GPIO_OUT;
1279 gpio_tab[GPIO1][5].alt_nb = GPIO_ALT1;
1281 gpio_tab[GPIO1][6].in_out = GPIO_OUT;
1282 gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2;
1284 gpio_tab[GPIO1][7].in_out = GPIO_IN;
1285 gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2;
1290 /* ----------------------------------------------------------------------- */
1291 /* L4 configuration: UART0 = 2 pins */
1292 /* UART1 = 2 pins */
1293 /* UART2 = 2 pins */
1294 /* UART3 = 2 pins */
1295 /* ----------------------------------------------------------------------- */
1296 /* Update GPIO Configuration Table */
1297 gpio_tab[GPIO1][2].in_out = GPIO_OUT;
1298 gpio_tab[GPIO1][2].alt_nb = GPIO_ALT3;
1300 gpio_tab[GPIO1][3].in_out = GPIO_IN;
1301 gpio_tab[GPIO1][3].alt_nb = GPIO_ALT3;
1303 gpio_tab[GPIO1][4].in_out = GPIO_IN;
1304 gpio_tab[GPIO1][4].alt_nb = GPIO_ALT3;
1306 gpio_tab[GPIO1][5].in_out = GPIO_OUT;
1307 gpio_tab[GPIO1][5].alt_nb = GPIO_ALT3;
1309 gpio_tab[GPIO1][6].in_out = GPIO_OUT;
1310 gpio_tab[GPIO1][6].alt_nb = GPIO_ALT2;
1312 gpio_tab[GPIO1][7].in_out = GPIO_IN;
1313 gpio_tab[GPIO1][7].alt_nb = GPIO_ALT2;
1318 /* Unsupported UART configuration number */
1319 printf("ERROR - Unsupported UART configuration number.\n\n");
1326 /* Set input Selection Register on Alt_Receive for UART Input Core */
1327 out32(GPIO1_IS1L, (in32(GPIO1_IS1L) | 0x0FC30000));
1328 out32(GPIO1_IS2L, (in32(GPIO1_IS2L) | 0x0C030000));
1329 out32(GPIO1_IS3L, (in32(GPIO1_IS3L) | 0x03C00000));
1332 /*----------------------------------------------------------------------------+
1333 | update_ndfc_ios(void).
1334 +----------------------------------------------------------------------------*/
1335 void update_ndfc_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1337 /* Update GPIO Configuration Table */
1338 gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */
1339 gpio_tab[GPIO0][6].alt_nb = GPIO_ALT1;
1341 gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(2) */
1342 gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
1345 gpio_tab[GPIO0][7].in_out = GPIO_OUT; /* EBC_CS_N(3) */
1346 gpio_tab[GPIO0][7].alt_nb = GPIO_ALT1;
1350 /*----------------------------------------------------------------------------+
1351 | update_zii_ios(void).
1352 +----------------------------------------------------------------------------*/
1353 void update_zii_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1355 /* Update GPIO Configuration Table */
1356 gpio_tab[GPIO0][12].in_out = GPIO_IN; /* ZII_p0Rxd(0) */
1357 gpio_tab[GPIO0][12].alt_nb = GPIO_ALT1;
1359 gpio_tab[GPIO0][13].in_out = GPIO_IN; /* ZII_p0Rxd(1) */
1360 gpio_tab[GPIO0][13].alt_nb = GPIO_ALT1;
1362 gpio_tab[GPIO0][14].in_out = GPIO_IN; /* ZII_p0Rxd(2) */
1363 gpio_tab[GPIO0][14].alt_nb = GPIO_ALT1;
1365 gpio_tab[GPIO0][15].in_out = GPIO_IN; /* ZII_p0Rxd(3) */
1366 gpio_tab[GPIO0][15].alt_nb = GPIO_ALT1;
1368 gpio_tab[GPIO0][16].in_out = GPIO_OUT; /* ZII_p0Txd(0) */
1369 gpio_tab[GPIO0][16].alt_nb = GPIO_ALT1;
1371 gpio_tab[GPIO0][17].in_out = GPIO_OUT; /* ZII_p0Txd(1) */
1372 gpio_tab[GPIO0][17].alt_nb = GPIO_ALT1;
1374 gpio_tab[GPIO0][18].in_out = GPIO_OUT; /* ZII_p0Txd(2) */
1375 gpio_tab[GPIO0][18].alt_nb = GPIO_ALT1;
1377 gpio_tab[GPIO0][19].in_out = GPIO_OUT; /* ZII_p0Txd(3) */
1378 gpio_tab[GPIO0][19].alt_nb = GPIO_ALT1;
1380 gpio_tab[GPIO0][20].in_out = GPIO_IN; /* ZII_p0Rx_er */
1381 gpio_tab[GPIO0][20].alt_nb = GPIO_ALT1;
1383 gpio_tab[GPIO0][21].in_out = GPIO_IN; /* ZII_p0Rx_dv */
1384 gpio_tab[GPIO0][21].alt_nb = GPIO_ALT1;
1386 gpio_tab[GPIO0][22].in_out = GPIO_IN; /* ZII_p0Crs */
1387 gpio_tab[GPIO0][22].alt_nb = GPIO_ALT1;
1389 gpio_tab[GPIO0][23].in_out = GPIO_OUT; /* ZII_p0Tx_er */
1390 gpio_tab[GPIO0][23].alt_nb = GPIO_ALT1;
1392 gpio_tab[GPIO0][24].in_out = GPIO_OUT; /* ZII_p0Tx_en */
1393 gpio_tab[GPIO0][24].alt_nb = GPIO_ALT1;
1395 gpio_tab[GPIO0][25].in_out = GPIO_IN; /* ZII_p0Col */
1396 gpio_tab[GPIO0][25].alt_nb = GPIO_ALT1;
1400 /*----------------------------------------------------------------------------+
1401 | update_uic_0_3_irq_ios().
1402 +----------------------------------------------------------------------------*/
1403 void update_uic_0_3_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1405 gpio_tab[GPIO1][8].in_out = GPIO_IN; /* UIC_IRQ(0) */
1406 gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1;
1408 gpio_tab[GPIO1][9].in_out = GPIO_IN; /* UIC_IRQ(1) */
1409 gpio_tab[GPIO1][9].alt_nb = GPIO_ALT1;
1411 gpio_tab[GPIO1][10].in_out = GPIO_IN; /* UIC_IRQ(2) */
1412 gpio_tab[GPIO1][10].alt_nb = GPIO_ALT1;
1414 gpio_tab[GPIO1][11].in_out = GPIO_IN; /* UIC_IRQ(3) */
1415 gpio_tab[GPIO1][11].alt_nb = GPIO_ALT1;
1418 /*----------------------------------------------------------------------------+
1419 | update_uic_4_9_irq_ios().
1420 +----------------------------------------------------------------------------*/
1421 void update_uic_4_9_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1423 gpio_tab[GPIO1][12].in_out = GPIO_IN; /* UIC_IRQ(4) */
1424 gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1;
1426 gpio_tab[GPIO1][13].in_out = GPIO_IN; /* UIC_IRQ(6) */
1427 gpio_tab[GPIO1][13].alt_nb = GPIO_ALT1;
1429 gpio_tab[GPIO1][14].in_out = GPIO_IN; /* UIC_IRQ(7) */
1430 gpio_tab[GPIO1][14].alt_nb = GPIO_ALT1;
1432 gpio_tab[GPIO1][15].in_out = GPIO_IN; /* UIC_IRQ(8) */
1433 gpio_tab[GPIO1][15].alt_nb = GPIO_ALT1;
1435 gpio_tab[GPIO1][16].in_out = GPIO_IN; /* UIC_IRQ(9) */
1436 gpio_tab[GPIO1][16].alt_nb = GPIO_ALT1;
1439 /*----------------------------------------------------------------------------+
1440 | update_dma_a_b_ios().
1441 +----------------------------------------------------------------------------*/
1442 void update_dma_a_b_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1444 gpio_tab[GPIO1][12].in_out = GPIO_OUT; /* DMA_ACK(1) */
1445 gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2;
1447 gpio_tab[GPIO1][13].in_out = GPIO_BI; /* DMA_EOT/TC(1) */
1448 gpio_tab[GPIO1][13].alt_nb = GPIO_ALT2;
1450 gpio_tab[GPIO1][14].in_out = GPIO_IN; /* DMA_REQ(0) */
1451 gpio_tab[GPIO1][14].alt_nb = GPIO_ALT2;
1453 gpio_tab[GPIO1][15].in_out = GPIO_OUT; /* DMA_ACK(0) */
1454 gpio_tab[GPIO1][15].alt_nb = GPIO_ALT2;
1456 gpio_tab[GPIO1][16].in_out = GPIO_BI; /* DMA_EOT/TC(0) */
1457 gpio_tab[GPIO1][16].alt_nb = GPIO_ALT2;
1460 /*----------------------------------------------------------------------------+
1461 | update_dma_c_d_ios().
1462 +----------------------------------------------------------------------------*/
1463 void update_dma_c_d_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1465 gpio_tab[GPIO0][0].in_out = GPIO_IN; /* DMA_REQ(2) */
1466 gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2;
1468 gpio_tab[GPIO0][1].in_out = GPIO_OUT; /* DMA_ACK(2) */
1469 gpio_tab[GPIO0][1].alt_nb = GPIO_ALT2;
1471 gpio_tab[GPIO0][2].in_out = GPIO_BI; /* DMA_EOT/TC(2) */
1472 gpio_tab[GPIO0][2].alt_nb = GPIO_ALT2;
1474 gpio_tab[GPIO0][3].in_out = GPIO_IN; /* DMA_REQ(3) */
1475 gpio_tab[GPIO0][3].alt_nb = GPIO_ALT2;
1477 gpio_tab[GPIO0][4].in_out = GPIO_OUT; /* DMA_ACK(3) */
1478 gpio_tab[GPIO0][4].alt_nb = GPIO_ALT2;
1480 gpio_tab[GPIO0][5].in_out = GPIO_BI; /* DMA_EOT/TC(3) */
1481 gpio_tab[GPIO0][5].alt_nb = GPIO_ALT2;
1485 /*----------------------------------------------------------------------------+
1486 | update_ebc_master_ios().
1487 +----------------------------------------------------------------------------*/
1488 void update_ebc_master_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1490 gpio_tab[GPIO0][27].in_out = GPIO_IN; /* EXT_EBC_REQ */
1491 gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1;
1493 gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* EBC_EXT_HDLA */
1494 gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1;
1496 gpio_tab[GPIO0][30].in_out = GPIO_OUT; /* EBC_EXT_ACK */
1497 gpio_tab[GPIO0][30].alt_nb = GPIO_ALT1;
1499 gpio_tab[GPIO0][31].in_out = GPIO_OUT; /* EBC_EXR_BUSREQ */
1500 gpio_tab[GPIO0][31].alt_nb = GPIO_ALT1;
1503 /*----------------------------------------------------------------------------+
1504 | update_usb2_device_ios().
1505 +----------------------------------------------------------------------------*/
1506 void update_usb2_device_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1508 gpio_tab[GPIO0][26].in_out = GPIO_IN; /* USB2D_RXVALID */
1509 gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2;
1511 gpio_tab[GPIO0][27].in_out = GPIO_IN; /* USB2D_RXERROR */
1512 gpio_tab[GPIO0][27].alt_nb = GPIO_ALT2;
1514 gpio_tab[GPIO0][28].in_out = GPIO_OUT; /* USB2D_TXVALID */
1515 gpio_tab[GPIO0][28].alt_nb = GPIO_ALT2;
1517 gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* USB2D_PAD_SUSPNDM */
1518 gpio_tab[GPIO0][29].alt_nb = GPIO_ALT2;
1520 gpio_tab[GPIO0][30].in_out = GPIO_OUT; /* USB2D_XCVRSELECT */
1521 gpio_tab[GPIO0][30].alt_nb = GPIO_ALT2;
1523 gpio_tab[GPIO0][31].in_out = GPIO_OUT; /* USB2D_TERMSELECT */
1524 gpio_tab[GPIO0][31].alt_nb = GPIO_ALT2;
1526 gpio_tab[GPIO1][0].in_out = GPIO_OUT; /* USB2D_OPMODE0 */
1527 gpio_tab[GPIO1][0].alt_nb = GPIO_ALT1;
1529 gpio_tab[GPIO1][1].in_out = GPIO_OUT; /* USB2D_OPMODE1 */
1530 gpio_tab[GPIO1][1].alt_nb = GPIO_ALT1;
1534 /*----------------------------------------------------------------------------+
1535 | update_pci_patch_ios().
1536 +----------------------------------------------------------------------------*/
1537 void update_pci_patch_ios(gpio_param_s (*gpio_tab)[GPIO_MAX])
1539 gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* EBC_EXT_HDLA */
1540 gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1;
1543 /*----------------------------------------------------------------------------+
1544 | set_chip_gpio_configuration(unsigned char gpio_core,
1545 | gpio_param_s (*gpio_tab)[GPIO_MAX])
1546 | Put the core impacted by clock modification and sharing in reset.
1547 | Config the select registers to resolve the sharing depending of the config.
1548 | Configure the GPIO registers.
1550 +----------------------------------------------------------------------------*/
1551 void set_chip_gpio_configuration(unsigned char gpio_core, gpio_param_s (*gpio_tab)[GPIO_MAX])
1553 unsigned char i=0, j=0, reg_offset = 0;
1554 unsigned long gpio_reg, gpio_core_add;
1556 /* GPIO config of the GPIOs 0 to 31 */
1557 for (i=0; i<GPIO_MAX; i++, j++)
1559 if (i == GPIO_MAX/2)
1565 gpio_core_add = gpio_tab[gpio_core][i].add;
1567 if ( (gpio_tab[gpio_core][i].in_out == GPIO_IN) ||
1568 (gpio_tab[gpio_core][i].in_out == GPIO_BI ))
1570 switch (gpio_tab[gpio_core][i].alt_nb)
1576 gpio_reg = in32(GPIO_IS1(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1577 gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
1578 out32(GPIO_IS1(gpio_core_add+reg_offset), gpio_reg);
1582 gpio_reg = in32(GPIO_IS2(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1583 gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
1584 out32(GPIO_IS2(gpio_core_add+reg_offset), gpio_reg);
1588 gpio_reg = in32(GPIO_IS3(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1589 gpio_reg = gpio_reg | (GPIO_IN_SEL >> (j*2));
1590 out32(GPIO_IS3(gpio_core_add+reg_offset), gpio_reg);
1594 if ( (gpio_tab[gpio_core][i].in_out == GPIO_OUT) ||
1595 (gpio_tab[gpio_core][i].in_out == GPIO_BI ))
1598 switch (gpio_tab[gpio_core][i].alt_nb)
1603 gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1604 gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
1605 out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
1606 gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1607 gpio_reg = gpio_reg | (GPIO_ALT1_SEL >> (j*2));
1608 out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
1611 gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1612 gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
1613 out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
1614 gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1615 gpio_reg = gpio_reg | (GPIO_ALT2_SEL >> (j*2));
1616 out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
1619 gpio_reg = in32(GPIO_OS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1620 gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
1621 out32(GPIO_OS(gpio_core_add+reg_offset), gpio_reg);
1622 gpio_reg = in32(GPIO_TS(gpio_core_add+reg_offset)) & ~(GPIO_MASK >> (j*2));
1623 gpio_reg = gpio_reg | (GPIO_ALT3_SEL >> (j*2));
1624 out32(GPIO_TS(gpio_core_add+reg_offset), gpio_reg);
1631 /*----------------------------------------------------------------------------+
1632 | force_bup_core_selection.
1633 +----------------------------------------------------------------------------*/
1634 void force_bup_core_selection(core_selection_t *core_select_P, config_validity_t *config_val_P)
1636 /* Pointer invalid */
1637 if (core_select_P == NULL)
1639 printf("Configuration invalid pointer 1\n");
1645 *(core_select_P+UART_CORE0) = CORE_SELECTED;
1646 *(core_select_P+UART_CORE1) = CORE_SELECTED;
1647 *(core_select_P+UART_CORE2) = CORE_SELECTED;
1648 *(core_select_P+UART_CORE3) = CORE_SELECTED;
1650 /* RMII Selection */
1651 *(core_select_P+RMII_SEL) = CORE_SELECTED;
1653 /* External Interrupt 0-9 selection */
1654 *(core_select_P+UIC_0_3) = CORE_SELECTED;
1655 *(core_select_P+UIC_4_9) = CORE_SELECTED;
1657 *(core_select_P+SCP_CORE) = CORE_SELECTED;
1658 *(core_select_P+DMA_CHANNEL_CD) = CORE_SELECTED;
1659 *(core_select_P+PACKET_REJ_FUNC_AVAIL) = CORE_SELECTED;
1660 *(core_select_P+USB1_DEVICE) = CORE_SELECTED;
1662 if (is_nand_selected()) {
1663 *(core_select_P+NAND_FLASH) = CORE_SELECTED;
1666 *config_val_P = CONFIG_IS_VALID;
1670 /*----------------------------------------------------------------------------+
1671 | configure_ppc440ep_pins.
1672 +----------------------------------------------------------------------------*/
1673 void configure_ppc440ep_pins(void)
1675 uart_config_nb_t uart_configuration;
1676 config_validity_t config_val = CONFIG_IS_INVALID;
1678 /* Create Core Selection Table */
1679 core_selection_t ppc440ep_core_selection[MAX_CORE_SELECT_NB] =
1681 CORE_NOT_SELECTED, /* IIC_CORE, */
1682 CORE_NOT_SELECTED, /* SPC_CORE, */
1683 CORE_NOT_SELECTED, /* DMA_CHANNEL_AB, */
1684 CORE_NOT_SELECTED, /* UIC_4_9, */
1685 CORE_NOT_SELECTED, /* USB2_HOST, */
1686 CORE_NOT_SELECTED, /* DMA_CHANNEL_CD, */
1687 CORE_NOT_SELECTED, /* USB2_DEVICE, */
1688 CORE_NOT_SELECTED, /* PACKET_REJ_FUNC_AVAIL, */
1689 CORE_NOT_SELECTED, /* USB1_DEVICE, */
1690 CORE_NOT_SELECTED, /* EBC_MASTER, */
1691 CORE_NOT_SELECTED, /* NAND_FLASH, */
1692 CORE_NOT_SELECTED, /* UART_CORE0, */
1693 CORE_NOT_SELECTED, /* UART_CORE1, */
1694 CORE_NOT_SELECTED, /* UART_CORE2, */
1695 CORE_NOT_SELECTED, /* UART_CORE3, */
1696 CORE_NOT_SELECTED, /* MII_SEL, */
1697 CORE_NOT_SELECTED, /* RMII_SEL, */
1698 CORE_NOT_SELECTED, /* SMII_SEL, */
1699 CORE_NOT_SELECTED, /* PACKET_REJ_FUNC_EN */
1700 CORE_NOT_SELECTED, /* UIC_0_3 */
1701 CORE_NOT_SELECTED, /* USB1_HOST */
1702 CORE_NOT_SELECTED /* PCI_PATCH */
1705 gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX];
1707 /* Table Default Initialisation + FPGA Access */
1708 init_default_gpio(gpio_tab);
1709 set_chip_gpio_configuration(GPIO0, gpio_tab);
1710 set_chip_gpio_configuration(GPIO1, gpio_tab);
1713 force_bup_core_selection(ppc440ep_core_selection, &config_val);
1714 #if 0 /* test-only */
1715 /* If we are running PIBS 1, force known configuration */
1716 update_core_selection_table(ppc440ep_core_selection, &config_val);
1719 /*----------------------------------------------------------------------------+
1720 | SDR + ios table update + fpga initialization
1721 +----------------------------------------------------------------------------*/
1722 unsigned long sdr0_pfc1 = 0;
1723 unsigned long sdr0_usb0 = 0;
1724 unsigned long sdr0_mfr = 0;
1726 /* PCI Always selected */
1729 if (ppc440ep_core_selection[IIC_CORE] == CORE_SELECTED)
1731 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL;
1732 iic1_selection_in_fpga();
1736 if (ppc440ep_core_selection[SCP_CORE] == CORE_SELECTED)
1738 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_SCP_SEL;
1739 scp_selection_in_fpga();
1742 /* UIC 0:3 Selection */
1743 if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED)
1745 update_uic_0_3_irq_ios(gpio_tab);
1746 dma_a_b_unselect_in_fpga();
1749 /* UIC 4:9 Selection */
1750 if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED)
1752 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL;
1753 update_uic_4_9_irq_ios(gpio_tab);
1756 /* DMA AB Selection */
1757 if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED)
1759 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL;
1760 update_dma_a_b_ios(gpio_tab);
1761 dma_a_b_selection_in_fpga();
1764 /* DMA CD Selection */
1765 if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED)
1767 update_dma_c_d_ios(gpio_tab);
1768 dma_c_d_selection_in_fpga();
1771 /* EBC Master Selection */
1772 if (ppc440ep_core_selection[EBC_MASTER] == CORE_SELECTED)
1774 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL;
1775 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
1776 update_ebc_master_ios(gpio_tab);
1779 /* PCI Patch Enable */
1780 if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED)
1782 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL;
1783 update_pci_patch_ios(gpio_tab);
1786 /* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */
1787 if (ppc440ep_core_selection[USB2_HOST] == CORE_SELECTED)
1789 /* Not Implemented in PowerPC 440EP Pass1-Pass2 */
1790 printf("Invalid configuration => USB2 Host selected\n");
1793 /*usb2_host_selection_in_fpga(); */
1796 /* USB2.0 Device Selection */
1797 if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
1799 update_usb2_device_ios(gpio_tab);
1800 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL;
1801 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE;
1803 mfsdr(SDR0_USB0, sdr0_usb0);
1804 sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_USB_DEVSEL_MASK;
1805 sdr0_usb0 = sdr0_usb0 | SDR0_USB0_USB20D_DEVSEL;
1806 mtsdr(SDR0_USB0, sdr0_usb0);
1808 usb2_device_selection_in_fpga();
1811 /* USB1.1 Device Selection */
1812 if (ppc440ep_core_selection[USB1_DEVICE] == CORE_SELECTED)
1814 mfsdr(SDR0_USB0, sdr0_usb0);
1815 sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_USB_DEVSEL_MASK;
1816 sdr0_usb0 = sdr0_usb0 | SDR0_USB0_USB11D_DEVSEL;
1817 mtsdr(SDR0_USB0, sdr0_usb0);
1820 /* USB1.1 Host Selection */
1821 if (ppc440ep_core_selection[USB1_HOST] == CORE_SELECTED)
1823 mfsdr(SDR0_USB0, sdr0_usb0);
1824 sdr0_usb0 = sdr0_usb0 &~SDR0_USB0_LEEN_MASK;
1825 sdr0_usb0 = sdr0_usb0 | SDR0_USB0_LEEN_ENABLE;
1826 mtsdr(SDR0_USB0, sdr0_usb0);
1829 /* NAND Flash Selection */
1830 if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED)
1832 update_ndfc_ios(gpio_tab);
1834 #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL))
1835 mtsdr(SDR0_CUST0, SDR0_CUST0_MUX_NDFC_SEL |
1836 SDR0_CUST0_NDFC_ENABLE |
1837 SDR0_CUST0_NDFC_BW_8_BIT |
1838 SDR0_CUST0_NDFC_ARE_MASK |
1839 SDR0_CUST0_CHIPSELGAT_EN1 |
1840 SDR0_CUST0_CHIPSELGAT_EN2);
1842 mtsdr(SDR0_CUST0, SDR0_CUST0_MUX_NDFC_SEL |
1843 SDR0_CUST0_NDFC_ENABLE |
1844 SDR0_CUST0_NDFC_BW_8_BIT |
1845 SDR0_CUST0_NDFC_ARE_MASK |
1846 SDR0_CUST0_CHIPSELGAT_EN0 |
1847 SDR0_CUST0_CHIPSELGAT_EN2);
1850 ndfc_selection_in_fpga();
1854 /* Set Mux on EMAC */
1855 mtsdr(SDR0_CUST0, SDR0_CUST0_MUX_EMAC_SEL);
1859 if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED)
1861 update_zii_ios(gpio_tab);
1862 mfsdr(SDR0_MFR, sdr0_mfr);
1863 sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII;
1864 mtsdr(SDR0_MFR, sdr0_mfr);
1866 set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_MII);
1869 /* RMII Selection */
1870 if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED)
1872 update_zii_ios(gpio_tab);
1873 mfsdr(SDR0_MFR, sdr0_mfr);
1874 sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M;
1875 mtsdr(SDR0_MFR, sdr0_mfr);
1877 set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_RMII);
1880 /* SMII Selection */
1881 if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED)
1883 update_zii_ios(gpio_tab);
1884 mfsdr(SDR0_MFR, sdr0_mfr);
1885 sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII;
1886 mtsdr(SDR0_MFR, sdr0_mfr);
1888 set_phy_configuration_through_fpga(ZMII_CONFIGURATION_IS_SMII);
1891 /* UART Selection */
1892 uart_configuration = get_uart_configuration();
1893 switch (uart_configuration)
1895 case L1: /* L1 Selection */
1896 /* UART0 8 pins Only */
1897 /*sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_DSR_DTR; */
1898 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) |SDR0_PFC1_U0ME_CTS_RTS; /* Chip Pb */
1899 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_8PINS;
1901 case L2: /* L2 Selection */
1902 /* UART0 and UART1 4 pins */
1903 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
1904 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS;
1905 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
1907 case L3: /* L3 Selection */
1908 /* UART0 4 pins, UART1 and UART2 2 pins */
1909 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
1910 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS;
1911 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
1913 case L4: /* L4 Selection */
1914 /* UART0, UART1, UART2 and UART3 2 pins */
1915 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_DSR_DTR;
1916 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS;
1917 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR;
1920 update_uart_ios(uart_configuration, gpio_tab);
1922 /* UART Selection in all cases */
1923 uart_selection_in_fpga(uart_configuration);
1925 /* Packet Reject Function Available */
1926 if (ppc440ep_core_selection[PACKET_REJ_FUNC_AVAIL] == CORE_SELECTED)
1928 /* Set UPR Bit in SDR0_PFC1 Register */
1929 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_ENABLE;
1932 /* Packet Reject Function Enable */
1933 if (ppc440ep_core_selection[PACKET_REJ_FUNC_EN] == CORE_SELECTED)
1935 mfsdr(SDR0_MFR, sdr0_mfr);
1936 sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_PKT_REJ_MASK) | SDR0_MFR_PKT_REJ_EN;;
1937 mtsdr(SDR0_MFR, sdr0_mfr);
1940 /* Perform effective access to hardware */
1941 mtsdr(SDR0_PFC1, sdr0_pfc1);
1942 set_chip_gpio_configuration(GPIO0, gpio_tab);
1943 set_chip_gpio_configuration(GPIO1, gpio_tab);
1945 /* USB2.0 Device Reset must be done after GPIO setting */
1946 if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED)
1947 usb2_device_reset_through_fpga();