Merge branch 'master' of /home/stefan/git/u-boot/u-boot
[platform/kernel/u-boot.git] / board / amcc / sequoia / sequoia.c
1 /*
2  * (C) Copyright 2006-2007
3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
4  *
5  * (C) Copyright 2006
6  * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
7  * Alain Saurel,            AMCC/IBM, alain.saurel@fr.ibm.com
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24
25 #include <common.h>
26 #include <libfdt.h>
27 #include <fdt_support.h>
28 #include <ppc440.h>
29 #include <asm/gpio.h>
30 #include <asm/processor.h>
31 #include <asm/io.h>
32 #include <asm/ppc4xx-intvec.h>
33
34 DECLARE_GLOBAL_DATA_PTR;
35
36 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips    */
37
38 ulong flash_get_size (ulong base, int banknum);
39
40 int board_early_init_f(void)
41 {
42         u32 sdr0_cust0;
43         u32 sdr0_pfc1, sdr0_pfc2;
44         u32 reg;
45
46         mtdcr(ebccfga, xbcfg);
47         mtdcr(ebccfgd, 0xb8400000);
48
49         /*--------------------------------------------------------------------
50          * Setup the interrupt controller polarities, triggers, etc.
51          *-------------------------------------------------------------------*/
52         mtdcr(uic0sr, 0xffffffff);      /* clear all */
53         mtdcr(uic0er, 0x00000000);      /* disable all */
54         mtdcr(uic0cr, 0x00000005);      /* ATI & UIC1 crit are critical */
55         mtdcr(uic0pr, 0xfffff7ff);      /* per ref-board manual */
56         mtdcr(uic0tr, 0x00000000);      /* per ref-board manual */
57         mtdcr(uic0vr, 0x00000000);      /* int31 highest, base=0x000 */
58         mtdcr(uic0sr, 0xffffffff);      /* clear all */
59
60         mtdcr(uic1sr, 0xffffffff);      /* clear all */
61         mtdcr(uic1er, 0x00000000);      /* disable all */
62         mtdcr(uic1cr, 0x00000000);      /* all non-critical */
63         mtdcr(uic1pr, 0xffffffff);      /* per ref-board manual */
64         mtdcr(uic1tr, 0x00000000);      /* per ref-board manual */
65         mtdcr(uic1vr, 0x00000000);      /* int31 highest, base=0x000 */
66         mtdcr(uic1sr, 0xffffffff);      /* clear all */
67
68         mtdcr(uic2sr, 0xffffffff);      /* clear all */
69         mtdcr(uic2er, 0x00000000);      /* disable all */
70         mtdcr(uic2cr, 0x00000000);      /* all non-critical */
71         mtdcr(uic2pr, 0xffffffff);      /* per ref-board manual */
72         mtdcr(uic2tr, 0x00000000);      /* per ref-board manual */
73         mtdcr(uic2vr, 0x00000000);      /* int31 highest, base=0x000 */
74         mtdcr(uic2sr, 0xffffffff);      /* clear all */
75
76         /* 50MHz tmrclk */
77         out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00);
78
79         /* clear write protects */
80         out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00);
81
82         /* enable Ethernet */
83         out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00);
84
85         /* enable USB device */
86         out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20);
87
88         /* select Ethernet pins */
89         mfsdr(SDR0_PFC1, sdr0_pfc1);
90         sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4;
91         mfsdr(SDR0_PFC2, sdr0_pfc2);
92         sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4;
93         mtsdr(SDR0_PFC2, sdr0_pfc2);
94         mtsdr(SDR0_PFC1, sdr0_pfc1);
95
96         /* PCI arbiter enabled */
97         mfsdr(sdr_pci0, reg);
98         mtsdr(sdr_pci0, 0x80000000 | reg);
99
100         /* setup NAND FLASH */
101         mfsdr(SDR0_CUST0, sdr0_cust0);
102         sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL    |
103                 SDR0_CUST0_NDFC_ENABLE          |
104                 SDR0_CUST0_NDFC_BW_8_BIT        |
105                 SDR0_CUST0_NDFC_ARE_MASK        |
106                 (0x80000000 >> (28 + CFG_NAND_CS));
107         mtsdr(SDR0_CUST0, sdr0_cust0);
108
109         return 0;
110 }
111
112 /*---------------------------------------------------------------------------+
113   | misc_init_r.
114   +---------------------------------------------------------------------------*/
115 int misc_init_r(void)
116 {
117         uint pbcr;
118         int size_val = 0;
119         u32 reg;
120 #ifdef CONFIG_440EPX
121         unsigned long usb2d0cr = 0;
122         unsigned long usb2phy0cr, usb2h0cr = 0;
123         unsigned long sdr0_pfc1;
124         char *act = getenv("usbact");
125 #endif
126
127         /*
128          * FLASH stuff...
129          */
130
131         /* Re-do sizing to get full correct info */
132
133         /* adjust flash start and offset */
134         gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
135         gd->bd->bi_flashoffset = 0;
136
137 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
138         mtdcr(ebccfga, pb3cr);
139 #else
140         mtdcr(ebccfga, pb0cr);
141 #endif
142         pbcr = mfdcr(ebccfgd);
143         switch (gd->bd->bi_flashsize) {
144         case 1 << 20:
145                 size_val = 0;
146                 break;
147         case 2 << 20:
148                 size_val = 1;
149                 break;
150         case 4 << 20:
151                 size_val = 2;
152                 break;
153         case 8 << 20:
154                 size_val = 3;
155                 break;
156         case 16 << 20:
157                 size_val = 4;
158                 break;
159         case 32 << 20:
160                 size_val = 5;
161                 break;
162         case 64 << 20:
163                 size_val = 6;
164                 break;
165         case 128 << 20:
166                 size_val = 7;
167                 break;
168         }
169         pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
170 #if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
171         mtdcr(ebccfga, pb3cr);
172 #else
173         mtdcr(ebccfga, pb0cr);
174 #endif
175         mtdcr(ebccfgd, pbcr);
176
177         /*
178          * Re-check to get correct base address
179          */
180         flash_get_size(gd->bd->bi_flashstart, 0);
181
182 #ifdef CFG_ENV_IS_IN_FLASH
183         /* Monitor protection ON by default */
184         (void)flash_protect(FLAG_PROTECT_SET,
185                             -CFG_MONITOR_LEN,
186                             0xffffffff,
187                             &flash_info[0]);
188
189         /* Env protection ON by default */
190         (void)flash_protect(FLAG_PROTECT_SET,
191                             CFG_ENV_ADDR_REDUND,
192                             CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1,
193                             &flash_info[0]);
194 #endif
195
196         /*
197          * USB suff...
198          */
199 #ifdef CONFIG_440EPX
200         if (act == NULL || strcmp(act, "hostdev") == 0) {
201                 /* SDR Setting */
202                 mfsdr(SDR0_PFC1, sdr0_pfc1);
203                 mfsdr(SDR0_USB2D0CR, usb2d0cr);
204                 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
205                 mfsdr(SDR0_USB2H0CR, usb2h0cr);
206
207                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
208                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
209                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
210                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ;    /*1*/
211                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
212                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
213                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
214                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
215                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
216                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
217
218                 /* An 8-bit/60MHz interface is the only possible alternative
219                    when connecting the Device to the PHY */
220                 usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
221                 usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ;        /*1*/
222
223                 /* To enable the USB 2.0 Device function through the UTMI interface */
224                 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
225                 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION;          /*1*/
226
227                 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
228                 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL;                /*0*/
229
230                 mtsdr(SDR0_PFC1, sdr0_pfc1);
231                 mtsdr(SDR0_USB2D0CR, usb2d0cr);
232                 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
233                 mtsdr(SDR0_USB2H0CR, usb2h0cr);
234
235                 /*clear resets*/
236                 udelay (1000);
237                 mtsdr(SDR0_SRST1, 0x00000000);
238                 udelay (1000);
239                 mtsdr(SDR0_SRST0, 0x00000000);
240
241                 printf("USB:   Host(int phy) Device(ext phy)\n");
242
243         } else if (strcmp(act, "dev") == 0) {
244                 /*-------------------PATCH-------------------------------*/
245                 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
246
247                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
248                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
249                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
250                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS;         /*0*/
251                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
252                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST;          /*1*/
253                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
254                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST;          /*1*/
255                 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
256
257                 udelay (1000);
258                 mtsdr(SDR0_SRST1, 0x672c6000);
259
260                 udelay (1000);
261                 mtsdr(SDR0_SRST0, 0x00000080);
262
263                 udelay (1000);
264                 mtsdr(SDR0_SRST1, 0x60206000);
265
266                 *(unsigned int *)(0xe0000350) = 0x00000001;
267
268                 udelay (1000);
269                 mtsdr(SDR0_SRST1, 0x60306000);
270                 /*-------------------PATCH-------------------------------*/
271
272                 /* SDR Setting */
273                 mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
274                 mfsdr(SDR0_USB2H0CR, usb2h0cr);
275                 mfsdr(SDR0_USB2D0CR, usb2d0cr);
276                 mfsdr(SDR0_PFC1, sdr0_pfc1);
277
278                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK;
279                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL;       /*0*/
280                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK;
281                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ;     /*0*/
282                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK;
283                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN;          /*1*/
284                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK;
285                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV;           /*0*/
286                 usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK;
287                 usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV;           /*0*/
288
289                 usb2h0cr   = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK;
290                 usb2h0cr   = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ;         /*0*/
291
292                 usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
293                 usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION;              /*0*/
294
295                 sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
296                 sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL;                /*1*/
297
298                 mtsdr(SDR0_USB2H0CR, usb2h0cr);
299                 mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
300                 mtsdr(SDR0_USB2D0CR, usb2d0cr);
301                 mtsdr(SDR0_PFC1, sdr0_pfc1);
302
303                 /*clear resets*/
304                 udelay (1000);
305                 mtsdr(SDR0_SRST1, 0x00000000);
306                 udelay (1000);
307                 mtsdr(SDR0_SRST0, 0x00000000);
308
309                 printf("USB:   Device(int phy)\n");
310         }
311 #endif /* CONFIG_440EPX */
312
313         mfsdr(SDR0_SRST1, reg);         /* enable security/kasumi engines */
314         reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
315         mtsdr(SDR0_SRST1, reg);
316
317         /*
318          * Clear PLB4A0_ACR[WRP]
319          * This fix will make the MAL burst disabling patch for the Linux
320          * EMAC driver obsolete.
321          */
322         reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
323         mtdcr(plb4_acr, reg);
324
325         return 0;
326 }
327
328 int checkboard(void)
329 {
330         char *s = getenv("serial#");
331         u8 rev;
332         u8 val;
333
334 #ifdef CONFIG_440EPX
335         printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board");
336 #else
337         printf("Board: Rainier - AMCC PPC440GRx Evaluation Board");
338 #endif
339
340         rev = in_8((void *)(CFG_BCSR_BASE + 0));
341         val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN;
342         printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33);
343
344         if (s != NULL) {
345                 puts(", serial# ");
346                 puts(s);
347         }
348         putc('\n');
349
350         return (0);
351 }
352
353 #if defined(CFG_DRAM_TEST)
354 int testdram(void)
355 {
356         unsigned long *mem = (unsigned long *)0;
357         const unsigned long kend = (1024 / sizeof(unsigned long));
358         unsigned long k, n;
359
360         mtmsr(0);
361
362         for (k = 0; k < CFG_MBYTES_SDRAM;
363              ++k, mem += (1024 / sizeof(unsigned long))) {
364                 if ((k & 1023) == 0) {
365                         printf("%3d MB\r", k / 1024);
366                 }
367
368                 memset(mem, 0xaaaaaaaa, 1024);
369                 for (n = 0; n < kend; ++n) {
370                         if (mem[n] != 0xaaaaaaaa) {
371                                 printf("SDRAM test fails at: %08x\n",
372                                        (uint) & mem[n]);
373                                 return 1;
374                         }
375                 }
376
377                 memset(mem, 0x55555555, 1024);
378                 for (n = 0; n < kend; ++n) {
379                         if (mem[n] != 0x55555555) {
380                                 printf("SDRAM test fails at: %08x\n",
381                                        (uint) & mem[n]);
382                                 return 1;
383                         }
384                 }
385         }
386         printf("SDRAM test passes\n");
387         return 0;
388 }
389 #endif
390
391 #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
392 /*
393  * Assign interrupts to PCI devices.
394  */
395 void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
396 {
397         pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIR2);
398 }
399 #endif
400
401 /*************************************************************************
402  *  pci_pre_init
403  *
404  *  This routine is called just prior to registering the hose and gives
405  *  the board the opportunity to check things. Returning a value of zero
406  *  indicates that things are bad & PCI initialization should be aborted.
407  *
408  *      Different boards may wish to customize the pci controller structure
409  *      (add regions, override default access routines, etc) or perform
410  *      certain pre-initialization actions.
411  *
412  ************************************************************************/
413 #if defined(CONFIG_PCI)
414 int pci_pre_init(struct pci_controller *hose)
415 {
416         unsigned long addr;
417
418         /*-------------------------------------------------------------------------+
419           | Set priority for all PLB3 devices to 0.
420           | Set PLB3 arbiter to fair mode.
421           +-------------------------------------------------------------------------*/
422         mfsdr(sdr_amp1, addr);
423         mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
424         addr = mfdcr(plb3_acr);
425         mtdcr(plb3_acr, addr | 0x80000000);
426
427         /*-------------------------------------------------------------------------+
428           | Set priority for all PLB4 devices to 0.
429           +-------------------------------------------------------------------------*/
430         mfsdr(sdr_amp0, addr);
431         mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
432         addr = mfdcr(plb4_acr) | 0xa0000000;    /* Was 0x8---- */
433         mtdcr(plb4_acr, addr);
434
435         /*-------------------------------------------------------------------------+
436           | Set Nebula PLB4 arbiter to fair mode.
437           +-------------------------------------------------------------------------*/
438         /* Segment0 */
439         addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
440         addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
441         addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
442         addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
443         mtdcr(plb0_acr, addr);
444
445         /* Segment1 */
446         addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
447         addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
448         addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
449         addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
450         mtdcr(plb1_acr, addr);
451
452 #ifdef CONFIG_PCI_PNP
453         hose->fixup_irq = sequoia_pci_fixup_irq;
454 #endif
455         return 1;
456 }
457 #endif /* defined(CONFIG_PCI) */
458
459 /*************************************************************************
460  *  pci_target_init
461  *
462  *      The bootstrap configuration provides default settings for the pci
463  *      inbound map (PIM). But the bootstrap config choices are limited and
464  *      may not be sufficient for a given board.
465  *
466  ************************************************************************/
467 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
468 void pci_target_init(struct pci_controller *hose)
469 {
470         /*--------------------------------------------------------------------------+
471          * Set up Direct MMIO registers
472          *--------------------------------------------------------------------------*/
473         /*--------------------------------------------------------------------------+
474           | PowerPC440EPX PCI Master configuration.
475           | Map one 1Gig range of PLB/processor addresses to PCI memory space.
476           |   PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
477           |   Use byte reversed out routines to handle endianess.
478           | Make this region non-prefetchable.
479           +--------------------------------------------------------------------------*/
480         out32r(PCIX0_PMM0MA, 0x00000000);       /* PMM0 Mask/Attribute - disabled b4 setting */
481         out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE);  /* PMM0 Local Address */
482         out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE);       /* PMM0 PCI Low Address */
483         out32r(PCIX0_PMM0PCIHA, 0x00000000);    /* PMM0 PCI High Address */
484         out32r(PCIX0_PMM0MA, 0xE0000001);       /* 512M + No prefetching, and enable region */
485
486         out32r(PCIX0_PMM1MA, 0x00000000);       /* PMM0 Mask/Attribute - disabled b4 setting */
487         out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
488         out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2);      /* PMM0 PCI Low Address */
489         out32r(PCIX0_PMM1PCIHA, 0x00000000);    /* PMM0 PCI High Address */
490         out32r(PCIX0_PMM1MA, 0xE0000001);       /* 512M + No prefetching, and enable region */
491
492         out32r(PCIX0_PTM1MS, 0x00000001);       /* Memory Size/Attribute */
493         out32r(PCIX0_PTM1LA, 0);        /* Local Addr. Reg */
494         out32r(PCIX0_PTM2MS, 0);        /* Memory Size/Attribute */
495         out32r(PCIX0_PTM2LA, 0);        /* Local Addr. Reg */
496
497         /*--------------------------------------------------------------------------+
498          * Set up Configuration registers
499          *--------------------------------------------------------------------------*/
500
501         /* Program the board's subsystem id/vendor id */
502         pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
503                               CFG_PCI_SUBSYS_VENDORID);
504         pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
505
506         /* Configure command register as bus master */
507         pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
508
509         /* 240nS PCI clock */
510         pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
511
512         /* No error reporting */
513         pci_write_config_word(0, PCI_ERREN, 0);
514
515         pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
516
517 }
518 #endif                          /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
519
520 /*************************************************************************
521  *  pci_master_init
522  *
523  ************************************************************************/
524 #if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
525 void pci_master_init(struct pci_controller *hose)
526 {
527         unsigned short temp_short;
528
529         /*--------------------------------------------------------------------------+
530           | Write the PowerPC440 EP PCI Configuration regs.
531           |   Enable PowerPC440 EP to be a master on the PCI bus (PMM).
532           |   Enable PowerPC440 EP to act as a PCI memory target (PTM).
533           +--------------------------------------------------------------------------*/
534         pci_read_config_word(0, PCI_COMMAND, &temp_short);
535         pci_write_config_word(0, PCI_COMMAND,
536                               temp_short | PCI_COMMAND_MASTER |
537                               PCI_COMMAND_MEMORY);
538 }
539 #endif                          /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
540
541 /*************************************************************************
542  *  is_pci_host
543  *
544  *      This routine is called to determine if a pci scan should be
545  *      performed. With various hardware environments (especially cPCI and
546  *      PPMC) it's insufficient to depend on the state of the arbiter enable
547  *      bit in the strap register, or generic host/adapter assumptions.
548  *
549  *      Rather than hard-code a bad assumption in the general 440 code, the
550  *      440 pci code requires the board to decide at runtime.
551  *
552  *      Return 0 for adapter mode, non-zero for host (monarch) mode.
553  *
554  *
555  ************************************************************************/
556 #if defined(CONFIG_PCI)
557 int is_pci_host(struct pci_controller *hose)
558 {
559         /* Cactus is always configured as host. */
560         return (1);
561 }
562 #endif                          /* defined(CONFIG_PCI) */
563 #if defined(CONFIG_POST)
564 /*
565  * Returns 1 if keys pressed to start the power-on long-running tests
566  * Called from board_init_f().
567  */
568 int post_hotkeys_pressed(void)
569 {
570         return 0;       /* No hotkeys supported */
571 }
572 #endif /* CONFIG_POST */
573
574 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
575 void ft_board_setup(void *blob, bd_t *bd)
576 {
577         u32 val[4];
578         int rc;
579
580         ft_cpu_setup(blob, bd);
581
582         /* Fixup NOR mapping */
583         val[0] = 0;                             /* chip select number */
584         val[1] = 0;                             /* always 0 */
585         val[2] = gd->bd->bi_flashstart;
586         val[3] = gd->bd->bi_flashsize;
587         rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
588                                   val, sizeof(val), 1);
589         if (rc)
590                 printf("Unable to update property NOR mapping, err=%s\n",
591                        fdt_strerror(rc));
592 }
593 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */