2
* (Cg) Copyright 2007-2008
3
* Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
4
* Based on board/amcc/sequoia/sequoia.c
7
* Stefan Roese, DENX Software Engineering, sr@denx.de.
10
* Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
11
* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
13
* This program is free software; you can redistribute it and/or
14
* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
18
* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
20
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
23
* You should have received a copy of the GNU General Public License
24
* along with this program; if not, write to the Free Software
25
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31
#include <fdt_support.h>
33
#include <asm/processor.h>
35
#include <asm/bitops.h>
38
#ifdef CONFIG_RESET_PHY_R
42
#include <asm/4xx_pci.h>
47
DECLARE_GLOBAL_DATA_PTR;
49
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
50
extern void __ft_board_setup(void *blob, bd_t *bd);
52
ulong flash_get_size(ulong base, int banknum);
53
int pci_is_66mhz(void);
55
int bootstrap_eeprom_read(unsigned dev_addr, unsigned offset,
56
uchar *buffer, unsigned cnt);
58
struct serial_device *default_serial_console(void)
66
* Use default console on P4 when strapping jumper
67
* is installed (bootstrap option != 'H').
69
mfsdr(SDR0_PINSTP, val);
70
if (((val & 0xf0000000) >> 29) != 7)
71
return &serial1_device;
73
ulong scratchreg = in_be32((void*)GPIO0_ISR3L);
74
if (!(scratchreg & 0x80)) {
75
/* mark scratchreg valid */
76
scratchreg = (scratchreg & 0xffffff00) | 0x80;
78
i = bootstrap_eeprom_read(CONFIG_SYS_I2C_BOOT_EEPROM_ADDR,
80
if ((i != -1) && (buf[0] == 0x19) && (buf[1] == 0x75)) {
83
/* bringup delay for console */
84
for (delay=0; delay<(1000 * (ulong)buf[3]); delay++) {
89
out_be32((void*)GPIO0_ISR3L, scratchreg);
92
if (scratchreg & 0x01)
93
return &serial1_device;
95
return &serial0_device;
98
int board_early_init_f(void)
101
u32 sdr0_pfc1, sdr0_pfc2;
104
/* general EBC configuration (disable EBC timeouts) */
105
mtdcr(EBC0_CFGADDR, EBC0_CFG);
106
mtdcr(EBC0_CFGDATA, 0xf8400000);
109
* Setup the GPIO pins
110
* TODO: setup GPIOs via CONFIG_SYS_4xx_GPIO_TABLE in board's config file
112
out_be32((void *)GPIO0_OR, 0x40000102);
113
out_be32((void *)GPIO0_TCR, 0x4c90011f);
114
out_be32((void *)GPIO0_OSRL, 0x28051400);
115
out_be32((void *)GPIO0_OSRH, 0x55005000);
116
out_be32((void *)GPIO0_TSRL, 0x08051400);
117
out_be32((void *)GPIO0_TSRH, 0x55005000);
118
out_be32((void *)GPIO0_ISR1L, 0x54000000);
119
out_be32((void *)GPIO0_ISR1H, 0x00000000);
120
out_be32((void *)GPIO0_ISR2L, 0x44000000);
121
out_be32((void *)GPIO0_ISR2H, 0x00000100);
122
out_be32((void *)GPIO0_ISR3L, 0x00000000);
123
out_be32((void *)GPIO0_ISR3H, 0x00000000);
125
out_be32((void *)GPIO1_OR, 0x80002408);
126
out_be32((void *)GPIO1_TCR, 0xd6003c08);
127
out_be32((void *)GPIO1_OSRL, 0x0a5a0000);
128
out_be32((void *)GPIO1_OSRH, 0x00000000);
129
out_be32((void *)GPIO1_TSRL, 0x00000000);
130
out_be32((void *)GPIO1_TSRH, 0x00000000);
131
out_be32((void *)GPIO1_ISR1L, 0x00005555);
132
out_be32((void *)GPIO1_ISR1H, 0x40000000);
133
out_be32((void *)GPIO1_ISR2L, 0x04010000);
134
out_be32((void *)GPIO1_ISR2H, 0x00000000);
135
out_be32((void *)GPIO1_ISR3L, 0x01400000);
136
out_be32((void *)GPIO1_ISR3H, 0x00000000);
138
/* patch PLB:PCI divider for 66MHz PCI */
139
mfcpr(CPR0_SPCID, reg);
140
if (pci_is_66mhz() && (reg != 0x02000000)) {
141
mtcpr(CPR0_SPCID, 0x02000000); /* 133MHZ : 2 for 66MHz PCI */
143
mfcpr(CPR0_ICFG, reg);
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reg |= CPR0_ICFG_RLI_MASK;
145
mtcpr(CPR0_ICFG, reg);
147
mtspr(SPRN_DBCR0, 0x20000000); /* do chip reset */
151
* Setup the interrupt controller polarities, triggers, etc.
153
mtdcr(UIC0SR, 0xffffffff); /* clear all */
154
mtdcr(UIC0ER, 0x00000000); /* disable all */
155
mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */
156
mtdcr(UIC0PR, 0xfffff7ef);
157
mtdcr(UIC0TR, 0x00000000);
158
mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */
159
mtdcr(UIC0SR, 0xffffffff); /* clear all */
161
mtdcr(UIC1SR, 0xffffffff); /* clear all */
162
mtdcr(UIC1ER, 0x00000000); /* disable all */
163
mtdcr(UIC1CR, 0x00000000); /* all non-critical */
164
mtdcr(UIC1PR, 0xffffc7f5);
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mtdcr(UIC1TR, 0x00000000);
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mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */
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mtdcr(UIC1SR, 0xffffffff); /* clear all */
169
mtdcr(UIC2SR, 0xffffffff); /* clear all */
170
mtdcr(UIC2ER, 0x00000000); /* disable all */
171
mtdcr(UIC2CR, 0x00000000); /* all non-critical */
172
mtdcr(UIC2PR, 0x27ffffff);
173
mtdcr(UIC2TR, 0x00000000);
174
mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */
175
mtdcr(UIC2SR, 0xffffffff); /* clear all */
177
/* select Ethernet pins */
178
mfsdr(SDR0_PFC1, sdr0_pfc1);
179
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
180
SDR0_PFC1_SELECT_CONFIG_4;
181
mfsdr(SDR0_PFC2, sdr0_pfc2);
182
sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
183
SDR0_PFC2_SELECT_CONFIG_4;
186
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL;
188
mtsdr(SDR0_PFC2, sdr0_pfc2);
189
mtsdr(SDR0_PFC1, sdr0_pfc1);
191
/* setup NAND FLASH */
192
mfsdr(SDR0_CUST0, sdr0_cust0);
193
sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
194
SDR0_CUST0_NDFC_ENABLE |
195
SDR0_CUST0_NDFC_BW_8_BIT |
196
SDR0_CUST0_NDFC_ARE_MASK |
197
(0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
198
mtsdr(SDR0_CUST0, sdr0_cust0);
203
#if defined(CONFIG_MISC_INIT_F)
204
int misc_init_f(void)
206
struct pci_controller hose;
207
hose.first_busno = 0;
209
hose.region_count = 0;
211
if (getenv("pciearly") && (!is_monarch())) {
212
printf("PCI: early target init\n");
213
pci_setup_indirect(&hose, PCIL0_CFGADR, PCIL0_CFGDATA);
214
pci_target_init(&hose);
223
int misc_init_r(void)
228
unsigned long usb2d0cr = 0;
229
unsigned long usb2phy0cr, usb2h0cr = 0;
230
unsigned long sdr0_pfc1;
231
unsigned long sdr0_srst0, sdr0_srst1;
232
char *act = getenv("usbact");
238
/* Re-do sizing to get full correct info */
240
/* adjust flash start and offset */
241
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
242
gd->bd->bi_flashoffset = 0;
244
#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
245
mtdcr(EBC0_CFGADDR, PB2CR);
247
mtdcr(EBC0_CFGADDR, PB0CR);
249
pbcr = mfdcr(EBC0_CFGDATA);
250
size_val = ffs(gd->bd->bi_flashsize) - 21;
251
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
252
#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
253
mtdcr(EBC0_CFGADDR, PB2CR);
255
mtdcr(EBC0_CFGADDR, PB0CR);
257
mtdcr(EBC0_CFGDATA, pbcr);
260
* Re-check to get correct base address
262
flash_get_size(gd->bd->bi_flashstart, 0);
264
#ifdef CONFIG_ENV_IS_IN_FLASH
265
/* Monitor protection ON by default */
266
(void)flash_protect(FLAG_PROTECT_SET,
267
-CONFIG_SYS_MONITOR_LEN,
271
/* Env protection ON by default */
272
(void)flash_protect(FLAG_PROTECT_SET,
273
CONFIG_ENV_ADDR_REDUND,
274
CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1,
281
if ((act == NULL || strcmp(act, "host") == 0) &&
282
!(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)){
284
mfsdr(SDR0_PFC1, sdr0_pfc1);
285
mfsdr(SDR0_USB2D0CR, usb2d0cr);
286
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
287
mfsdr(SDR0_USB2H0CR, usb2h0cr);
289
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
290
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
291
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
292
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;
293
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
294
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
295
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
296
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
297
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
298
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
301
* An 8-bit/60MHz interface is the only possible alternative
302
* when connecting the Device to the PHY
304
usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
305
usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;
307
usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
308
sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
310
mtsdr(SDR0_PFC1, sdr0_pfc1);
311
mtsdr(SDR0_USB2D0CR, usb2d0cr);
312
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
313
mtsdr(SDR0_USB2H0CR, usb2h0cr);
316
* Take USB out of reset:
317
* -Initial status = all cores are in reset
318
* -deassert reset to OPB1, P4OPB0, OPB2, PLB42OPB1 OPB2PLB40 cores
320
* -deassert reset to PHY
322
* -deassert reset to HOST
324
* -deassert all other resets
326
mfsdr(SDR0_SRST1, sdr0_srst1);
327
sdr0_srst1 &= ~(SDR0_SRST1_OPBA1 | \
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SDR0_SRST1_P4OPB0 | \
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SDR0_SRST1_PLB42OPB1 | \
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SDR0_SRST1_OPB2PLB40);
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mtsdr(SDR0_SRST1, sdr0_srst1);
335
mfsdr(SDR0_SRST1, sdr0_srst1);
336
sdr0_srst1 &= ~SDR0_SRST1_USB20PHY;
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mtsdr(SDR0_SRST1, sdr0_srst1);
340
mfsdr(SDR0_SRST0, sdr0_srst0);
341
sdr0_srst0 &= ~SDR0_SRST0_USB2H;
342
mtsdr(SDR0_SRST0, sdr0_srst0);
345
/* finally all the other resets */
346
mtsdr(SDR0_SRST1, 0x00000000);
347
mtsdr(SDR0_SRST0, 0x00000000);
349
if (!(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)) {
350
/* enable power on USB socket */
351
out_be32((void*)GPIO1_OR,
352
in_be32((void*)GPIO1_OR) & ~GPIO1_USB_PWR_N);
355
printf("USB: Host\n");
357
} else if ((strcmp(act, "dev") == 0) ||
358
(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)) {
359
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
361
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
362
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
363
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
364
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;
365
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
366
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;
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usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
368
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;
369
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
372
mtsdr(SDR0_SRST1, 0x672c6000);
375
mtsdr(SDR0_SRST0, 0x00000080);
378
mtsdr(SDR0_SRST1, 0x60206000);
380
*(unsigned int *)(0xe0000350) = 0x00000001;
383
mtsdr(SDR0_SRST1, 0x60306000);
386
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
387
mfsdr(SDR0_USB2H0CR, usb2h0cr);
388
mfsdr(SDR0_USB2D0CR, usb2d0cr);
389
mfsdr(SDR0_PFC1, sdr0_pfc1);
391
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
392
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;
393
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
394
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;
395
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
396
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;
397
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
398
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;
399
usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
400
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;
402
usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
403
usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;
405
usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
407
sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
408
sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;
410
mtsdr(SDR0_USB2H0CR, usb2h0cr);
411
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
412
mtsdr(SDR0_USB2D0CR, usb2d0cr);
413
mtsdr(SDR0_PFC1, sdr0_pfc1);
417
mtsdr(SDR0_SRST1, 0x00000000);
419
mtsdr(SDR0_SRST0, 0x00000000);
421
printf("USB: Device\n");
425
* Clear PLB4A0_ACR[WRP]
426
* This fix will make the MAL burst disabling patch for the Linux
427
* EMAC driver obsolete.
429
reg = mfdcr(PLB4_ACR) & ~PLB4_ACR_WRP;
430
mtdcr(PLB4_ACR, reg);
436
/* turn off POST LED */
437
out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_POST_N);
438
/* turn on RUN LED */
439
out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~GPIO0_LED_RUN_N);
445
if (in_be32((void*)GPIO1_IR) & GPIO1_NONMONARCH)
451
int pci_is_66mhz(void)
453
if (in_be32((void*)GPIO1_IR) & GPIO1_M66EN)
458
int board_revision(void)
460
return (int)((in_be32((void*)GPIO1_IR) & GPIO1_HWID_MASK) >> 4);
465
puts("Board: esd GmbH - PMC440");
467
gd->board_type = board_revision();
468
printf(", Rev 1.%ld, ", gd->board_type);
474
printf("monarch, PCI=%s MHz\n", pci_is_66mhz() ? "66" : "33");
479
#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
481
* Assign interrupts to PCI devices. Some OSs rely on this.
483
void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
485
unsigned char int_line[] = {IRQ_PCIC, IRQ_PCID, IRQ_PCIA, IRQ_PCIB};
487
pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE,
488
int_line[PCI_DEV(dev) & 0x03]);
495
* The bootstrap configuration provides default settings for the pci
496
* inbound map (PIM). But the bootstrap config choices are limited and
497
* may not be sufficient for a given board.
499
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
500
void pci_target_init(struct pci_controller *hose)
502
char *ptmla_str, *ptmms_str;
505
* Set up Direct MMIO registers
508
* PowerPC440EPX PCI Master configuration.
509
* Map one 1Gig range of PLB/processor addresses to PCI memory space.
510
* PLB address 0x80000000-0xBFFFFFFF
511
* ==> PCI address 0x80000000-0xBFFFFFFF
512
* Use byte reversed out routines to handle endianess.
513
* Make this region non-prefetchable.
515
out32r(PCIL0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */
516
/* - disabled b4 setting */
517
out32r(PCIL0_PMM0LA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 Local Address */
518
out32r(PCIL0_PMM0PCILA, CONFIG_SYS_PCI_MEMBASE); /* PMM0 PCI Low Address */
519
out32r(PCIL0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
520
out32r(PCIL0_PMM0MA, 0xc0000001); /* 1G + No prefetching, */
521
/* and enable region */
524
ptmla_str = getenv("ptm1la");
525
ptmms_str = getenv("ptm1ms");
526
if(NULL != ptmla_str && NULL != ptmms_str ) {
528
simple_strtoul(ptmms_str, NULL, 16));
530
simple_strtoul(ptmla_str, NULL, 16));
532
/* BAR1: default top 64MB of RAM */
533
out32r(PCIL0_PTM1MS, 0xfc000001);
534
out32r(PCIL0_PTM1LA, 0x0c000000);
537
/* BAR1: default: complete 256MB RAM */
538
out32r(PCIL0_PTM1MS, 0xf0000001);
539
out32r(PCIL0_PTM1LA, 0x00000000);
542
ptmla_str = getenv("ptm2la"); /* Local Addr. Reg */
543
ptmms_str = getenv("ptm2ms"); /* Memory Size/Attribute */
544
if(NULL != ptmla_str && NULL != ptmms_str ) {
545
out32r(PCIL0_PTM2MS, simple_strtoul(ptmms_str, NULL, 16));
546
out32r(PCIL0_PTM2LA, simple_strtoul(ptmla_str, NULL, 16));
548
/* BAR2: default: 4MB FPGA */
549
out32r(PCIL0_PTM2MS, 0xffc00001); /* Memory Size/Attribute */
550
out32r(PCIL0_PTM2LA, 0xef000000); /* Local Addr. Reg */
554
/* BAR2: map FPGA registers behind system memory at 1GB */
555
pci_hose_write_config_dword(hose, 0, PCI_BASE_ADDRESS_2, 0x40000008);
559
* Set up Configuration registers
562
/* Program the board's vendor id */
563
pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_VENDOR_ID,
564
CONFIG_SYS_PCI_SUBSYS_VENDORID);
566
/* disabled for PMC405 backward compatibility */
567
/* Configure command register as bus master */
568
/* pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); */
571
/* 240nS PCI clock */
572
pci_hose_write_config_word(hose, 0, PCI_LATENCY_TIMER, 1);
574
/* No error reporting */
575
pci_hose_write_config_word(hose, 0, PCI_ERREN, 0);
577
pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
580
/* Program the board's subsystem id/classcode */
581
pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_ID,
582
CONFIG_SYS_PCI_SUBSYS_ID_NONMONARCH);
583
pci_hose_write_config_word(hose, 0, PCI_CLASS_SUB_CODE,
584
CONFIG_SYS_PCI_CLASSCODE_NONMONARCH);
586
/* PCI configuration done: release ERREADY */
587
out_be32((void*)GPIO1_OR,
588
in_be32((void*)GPIO1_OR) | GPIO1_PPC_EREADY);
589
out_be32((void*)GPIO1_TCR,
590
in_be32((void*)GPIO1_TCR) | GPIO1_PPC_EREADY);
592
/* Program the board's subsystem id/classcode */
593
pci_hose_write_config_word(hose, 0, PCI_SUBSYSTEM_ID,
594
CONFIG_SYS_PCI_SUBSYS_ID_MONARCH);
595
pci_hose_write_config_word(hose, 0, PCI_CLASS_SUB_CODE,
596
CONFIG_SYS_PCI_CLASSCODE_MONARCH);
599
/* enable host configuration */
600
pci_hose_write_config_dword(hose, 0, PCI_BRDGOPT2, 0x00000101);
602
#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
605
* Override weak default pci_master_init()
607
#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT)
608
void pci_master_init(struct pci_controller *hose)
611
* Only configure the master in monach mode
614
__pci_master_init(hose);
616
#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_MASTER_INIT) */
618
static void wait_for_pci_ready(void)
621
char *s = getenv("pcidelay");
623
* We have our own handling of the pcidelay variable.
624
* Using CONFIG_PCI_BOOTDELAY enables pausing for host
625
* and adapter devices. For adapter devices we do not
629
int ms = simple_strtoul(s, NULL, 10);
630
printf("PCI: Waiting for %d ms\n", ms);
635
if (!(in_be32((void*)GPIO1_IR) & GPIO1_PPC_EREADY)) {
636
printf("PCI: Waiting for EREADY (CTRL-C to skip) ... ");
642
if (in_be32((void*)GPIO1_IR) & GPIO1_PPC_EREADY) {
651
* Override weak is_pci_host()
653
* This routine is called to determine if a pci scan should be
654
* performed. With various hardware environments (especially cPCI and
655
* PPMC) it's insufficient to depend on the state of the arbiter enable
656
* bit in the strap register, or generic host/adapter assumptions.
658
* Rather than hard-code a bad assumption in the general 440 code, the
659
* 440 pci code requires the board to decide at runtime.
661
* Return 0 for adapter mode, non-zero for host (monarch) mode.
663
#if defined(CONFIG_PCI)
664
int is_pci_host(struct pci_controller *hose)
666
char *s = getenv("pciscan");
669
wait_for_pci_ready();
673
else if (!strcmp(s, "yes"))
678
#endif /* defined(CONFIG_PCI) */
680
#ifdef CONFIG_RESET_PHY_R
684
unsigned short val_method, val_behavior;
686
/* special LED setup for NGCC/CANDES */
687
if ((s = getenv("bd_type")) &&
688
((!strcmp(s, "ngcc")) || (!strcmp(s, "candes")))) {
690
val_behavior = 0x0cf2;
692
/* PMC440 standard type */
694
val_behavior = 0x0cf0;
697
if (miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0001) == 0) {
698
miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, 0x0010);
699
miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, val_behavior);
700
miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, val_method);
701
miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0000);
704
if (miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0001) == 0) {
705
miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, 0x0010);
706
miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, val_behavior);
707
miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x10, val_method);
708
miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0000);
713
#if defined(CONFIG_SYS_EEPROM_WREN)
715
* Input: <dev_addr> I2C address of EEPROM device to enable.
716
* <state> -1: deliver current state
719
* Returns: -1: wrong device address
720
* 0: dis-/en- able done
721
* 0/1: current state if <state> was -1.
723
int eeprom_write_enable(unsigned dev_addr, int state)
725
if ((CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) &&
726
(CONFIG_SYS_I2C_BOOT_EEPROM_ADDR != dev_addr)) {
731
/* Enable write access, clear bit GPIO_SINT2. */
732
out_be32((void *)GPIO0_OR,
733
in_be32((void *)GPIO0_OR) & ~GPIO0_EP_EEP);
737
/* Disable write access, set bit GPIO_SINT2. */
738
out_be32((void *)GPIO0_OR,
739
in_be32((void *)GPIO0_OR) | GPIO0_EP_EEP);
743
/* Read current status back. */
744
state = (0 == (in_be32((void *)GPIO0_OR)
751
#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */
753
#define CONFIG_SYS_BOOT_EEPROM_PAGE_WRITE_BITS 3
754
int bootstrap_eeprom_write(unsigned dev_addr, unsigned offset,
755
uchar *buffer, unsigned cnt)
757
unsigned end = offset + cnt;
761
#if defined(CONFIG_SYS_EEPROM_WREN)
762
eeprom_write_enable(dev_addr, 1);
765
* Write data until done or would cross a write page boundary.
766
* We must write the address again when changing pages
767
* because the address counter only increments within a page.
770
while (offset < end) {
775
blk_off = offset & 0xFF; /* block offset */
777
addr[0] = offset >> 8; /* block number */
778
addr[1] = blk_off; /* block offset */
780
addr[0] |= dev_addr; /* insert device address */
784
#define BOOT_EEPROM_PAGE_SIZE (1 << CONFIG_SYS_BOOT_EEPROM_PAGE_WRITE_BITS)
785
#define BOOT_EEPROM_PAGE_OFFSET(x) ((x) & (BOOT_EEPROM_PAGE_SIZE - 1))
787
maxlen = BOOT_EEPROM_PAGE_SIZE -
788
BOOT_EEPROM_PAGE_OFFSET(blk_off);
789
if (maxlen > I2C_RXTX_LEN)
790
maxlen = I2C_RXTX_LEN;
795
if (i2c_write (addr[0], offset, alen-1, buffer, len) != 0)
801
#if defined(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS)
802
udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
805
#if defined(CONFIG_SYS_EEPROM_WREN)
806
eeprom_write_enable(dev_addr, 0);
811
int bootstrap_eeprom_read (unsigned dev_addr, unsigned offset,
812
uchar *buffer, unsigned cnt)
814
unsigned end = offset + cnt;
819
* Read data until done or would cross a page boundary.
820
* We must write the address again when changing pages
821
* because the next page may be in a different device.
823
while (offset < end) {
828
blk_off = offset & 0xFF; /* block offset */
830
addr[0] = offset >> 8; /* block number */
831
addr[1] = blk_off; /* block offset */
834
addr[0] |= dev_addr; /* insert device address */
838
maxlen = 0x100 - blk_off;
839
if (maxlen > I2C_RXTX_LEN)
840
maxlen = I2C_RXTX_LEN;
844
if (i2c_read (addr[0], offset, alen-1, buffer, len) != 0)
853
#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
854
int usb_board_init(void)
856
char *act = getenv("usbact");
859
if ((act == NULL || strcmp(act, "host") == 0) &&
860
!(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT))
861
/* enable power on USB socket */
862
out_be32((void*)GPIO1_OR,
863
in_be32((void*)GPIO1_OR) & ~GPIO1_USB_PWR_N);
865
for (i=0; i<1000; i++)
871
int usb_board_stop(void)
873
/* disable power on USB socket */
874
out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_USB_PWR_N);
878
int usb_board_init_fail(void)
883
#endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT) */
885
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
886
void ft_board_setup(void *blob, bd_t *bd)
890
__ft_board_setup(blob, bd);
893
* Disable PCI in non-monarch mode.
896
rc = fdt_find_and_setprop(blob, "/plb/pci@1ec000000", "status",
897
"disabled", sizeof("disabled"), 1);
899
printf("Unable to update property status in PCI node, err=%s\n",
904
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */