ppc4xx: Make output a little shorter on PCIe detection
[platform/kernel/u-boot.git] / board / amcc / kilauea / kilauea.c
1 /*
2  * (C) Copyright 2007
3  * Stefan Roese, DENX Software Engineering, sr@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
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.
12  *
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.
17  *
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,
21  * MA 02111-1307 USA
22  */
23
24 #include <common.h>
25 #include <ppc4xx.h>
26 #include <ppc405.h>
27 #include <libfdt.h>
28 #include <asm/processor.h>
29 #include <asm/io.h>
30
31 #if defined(CONFIG_PCI)
32 #include <pci.h>
33 #include <asm/4xx_pcie.h>
34 #endif
35
36 DECLARE_GLOBAL_DATA_PTR;
37
38 extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips    */
39
40 void fpga_init(void)
41 {
42         /*
43          * Set FPGA regs
44          */
45         out32(CFG_FPGA_BASE, 0xff570cc0);
46 }
47
48 /*
49  * Board early initialization function
50  */
51 int board_early_init_f (void)
52 {
53         u32 val;
54
55         /*--------------------------------------------------------------------+
56          | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
57          +--------------------------------------------------------------------+
58         +---------------------------------------------------------------------+
59         |Interrupt| Source                            | Pol.  | Sensi.| Crit. |
60         +---------+-----------------------------------+-------+-------+-------+
61         | IRQ 00  | UART0                             | High  | Level | Non   |
62         | IRQ 01  | UART1                             | High  | Level | Non   |
63         | IRQ 02  | IIC0                              | High  | Level | Non   |
64         | IRQ 03  | TBD                               | High  | Level | Non   |
65         | IRQ 04  | TBD                               | High  | Level | Non   |
66         | IRQ 05  | EBM                               | High  | Level | Non   |
67         | IRQ 06  | BGI                               | High  | Level | Non   |
68         | IRQ 07  | IIC1                              | Rising| Edge  | Non   |
69         | IRQ 08  | SPI                               | High  | Lvl/ed| Non   |
70         | IRQ 09  | External IRQ 0 - (PCI-Express)    | pgm H | Pgm   | Non   |
71         | IRQ 10  | MAL TX EOB                        | High  | Level | Non   |
72         | IRQ 11  | MAL RX EOB                        | High  | Level | Non   |
73         | IRQ 12  | DMA Channel 0 FIFO Full           | High  | Level | Non   |
74         | IRQ 13  | DMA Channel 0 Stat FIFO           | High  | Level | Non   |
75         | IRQ 14  | DMA Channel 1 FIFO Full           | High  | Level | Non   |
76         | IRQ 15  | DMA Channel 1 Stat FIFO           | High  | Level | Non   |
77         | IRQ 16  | PCIE0 AL                          | high  | Level | Non   |
78         | IRQ 17  | PCIE0 VPD access                  | rising| Edge  | Non   |
79         | IRQ 18  | PCIE0 hot reset request           | rising| Edge  | Non   |
80         | IRQ 19  | PCIE0 hot reset request           | faling| Edge  | Non   |
81         | IRQ 20  | PCIE0 TCR                         | High  | Level | Non   |
82         | IRQ 21  | PCIE0 MSI level0                  | High  | Level | Non   |
83         | IRQ 22  | PCIE0 MSI level1                  | High  | Level | Non   |
84         | IRQ 23  | Security EIP-94                   | High  | Level | Non   |
85         | IRQ 24  | EMAC0 interrupt                   | High  | Level | Non   |
86         | IRQ 25  | EMAC1 interrupt                   | High  | Level | Non   |
87         | IRQ 26  | PCIE0 MSI level2                  | High  | Level | Non   |
88         | IRQ 27  | External IRQ 4                    | pgm H | Pgm   | Non   |
89         | IRQ 28  | UIC2 Non-critical Int.            | High  | Level | Non   |
90         | IRQ 29  | UIC2 Critical Interrupt           | High  | Level | Crit. |
91         | IRQ 30  | UIC1 Non-critical Int.            | High  | Level | Non   |
92         | IRQ 31  | UIC1 Critical Interrupt           | High  | Level | Crit. |
93         |----------------------------------------------------------------------
94         | IRQ 32  | MAL Serr                          | High  | Level | Non   |
95         | IRQ 33  | MAL Txde                          | High  | Level | Non   |
96         | IRQ 34  | MAL Rxde                          | High  | Level | Non   |
97         | IRQ 35  | PCIE0 bus master VC0              |falling| Edge  | Non   |
98         | IRQ 36  | PCIE0 DCR Error                   | High  | Level | Non   |
99         | IRQ 37  | EBC                               | High  |Lvl Edg| Non   |
100         | IRQ 38  | NDFC                              | High  | Level | Non   |
101         | IRQ 39  | GPT Compare Timer 8               | Risin | Edge  | Non   |
102         | IRQ 40  | GPT Compare Timer 9               | Risin | Edge  | Non   |
103         | IRQ 41  | PCIE1 AL                          | high  | Level | Non   |
104         | IRQ 42  | PCIE1 VPD access                  | rising| edge  | Non   |
105         | IRQ 43  | PCIE1 hot reset request           | rising| Edge  | Non   |
106         | IRQ 44  | PCIE1 hot reset request           | faling| Edge  | Non   |
107         | IRQ 45  | PCIE1 TCR                         | High  | Level | Non   |
108         | IRQ 46  | PCIE1 bus master VC0              |falling| Edge  | Non   |
109         | IRQ 47  | GPT Compare Timer 3               | Risin | Edge  | Non   |
110         | IRQ 48  | GPT Compare Timer 4               | Risin | Edge  | Non   |
111         | IRQ 49  | Ext. IRQ 7                        |pgm/Fal|pgm/Lvl| Non   |
112         | IRQ 50  | Ext. IRQ 8 -                      |pgm (H)|pgm/Lvl| Non   |
113         | IRQ 51  | Ext. IRQ 9                        |pgm (H)|pgm/Lvl| Non   |
114         | IRQ 52  | GPT Compare Timer 5               | high  | Edge  | Non   |
115         | IRQ 53  | GPT Compare Timer 6               | high  | Edge  | Non   |
116         | IRQ 54  | GPT Compare Timer 7               | high  | Edge  | Non   |
117         | IRQ 55  | Serial ROM                        | High  | Level | Non   |
118         | IRQ 56  | GPT Decrement Pulse               | High  | Level | Non   |
119         | IRQ 57  | Ext. IRQ 2                        |pgm/Fal|pgm/Lvl| Non   |
120         | IRQ 58  | Ext. IRQ 5                        |pgm/Fal|pgm/Lvl| Non   |
121         | IRQ 59  | Ext. IRQ 6                        |pgm/Fal|pgm/Lvl| Non   |
122         | IRQ 60  | EMAC0 Wake-up                     | High  | Level | Non   |
123         | IRQ 61  | Ext. IRQ 1                        |pgm/Fal|pgm/Lvl| Non   |
124         | IRQ 62  | EMAC1 Wake-up                     | High  | Level | Non   |
125         |----------------------------------------------------------------------
126         | IRQ 64  | PE0 AL                            | High  | Level | Non   |
127         | IRQ 65  | PE0 VPD Access                    | Risin | Edge  | Non   |
128         | IRQ 66  | PE0 Hot Reset Request             | Risin | Edge  | Non   |
129         | IRQ 67  | PE0 Hot Reset Request             | Falli | Edge  | Non   |
130         | IRQ 68  | PE0 TCR                           | High  | Level | Non   |
131         | IRQ 69  | PE0 BusMaster VCO                 | Falli | Edge  | Non   |
132         | IRQ 70  | PE0 DCR Error                     | High  | Level | Non   |
133         | IRQ 71  | Reserved                          | N/A   | N/A   | Non   |
134         | IRQ 72  | PE1 AL                            | High  | Level | Non   |
135         | IRQ 73  | PE1 VPD Access                    | Risin | Edge  | Non   |
136         | IRQ 74  | PE1 Hot Reset Request             | Risin | Edge  | Non   |
137         | IRQ 75  | PE1 Hot Reset Request             | Falli | Edge  | Non   |
138         | IRQ 76  | PE1 TCR                           | High  | Level | Non   |
139         | IRQ 77  | PE1 BusMaster VCO                 | Falli | Edge  | Non   |
140         | IRQ 78  | PE1 DCR Error                     | High  | Level | Non   |
141         | IRQ 79  | Reserved                          | N/A   | N/A   | Non   |
142         | IRQ 80  | PE2 AL                            | High  | Level | Non   |
143         | IRQ 81  | PE2 VPD Access                    | Risin | Edge  | Non   |
144         | IRQ 82  | PE2 Hot Reset Request             | Risin | Edge  | Non   |
145         | IRQ 83  | PE2 Hot Reset Request             | Falli | Edge  | Non   |
146         | IRQ 84  | PE2 TCR                           | High  | Level | Non   |
147         | IRQ 85  | PE2 BusMaster VCO                 | Falli | Edge  | Non   |
148         | IRQ 86  | PE2 DCR Error                     | High  | Level | Non   |
149         | IRQ 87  | Reserved                          | N/A   | N/A   | Non   |
150         | IRQ 88  | External IRQ(5)                   | Progr | Progr | Non   |
151         | IRQ 89  | External IRQ 4 - Ethernet         | Progr | Progr | Non   |
152         | IRQ 90  | External IRQ 3 - PCI-X            | Progr | Progr | Non   |
153         | IRQ 91  | External IRQ 2 - PCI-X            | Progr | Progr | Non   |
154         | IRQ 92  | External IRQ 1 - PCI-X            | Progr | Progr | Non   |
155         | IRQ 93  | External IRQ 0 - PCI-X            | Progr | Progr | Non   |
156         | IRQ 94  | Reserved                          | N/A   | N/A   | Non   |
157         | IRQ 95  | Reserved                          | N/A   | N/A   | Non   |
158         |---------------------------------------------------------------------
159         +---------+-----------------------------------+-------+-------+------*/
160         /*--------------------------------------------------------------------+
161          | Initialise UIC registers.  Clear all interrupts.  Disable all
162          | interrupts.
163          | Set critical interrupt values.  Set interrupt polarities.  Set
164          | interrupt trigger levels.  Make bit 0 High  priority.  Clear all
165          | interrupts again.
166          +-------------------------------------------------------------------*/
167
168         mtdcr (uic2sr, 0xffffffff);     /* Clear all interrupts */
169         mtdcr (uic2er, 0x00000000);     /* disable all interrupts */
170         mtdcr (uic2cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
171         mtdcr (uic2pr, 0xf7ffffff);     /* Set Interrupt Polarities */
172         mtdcr (uic2tr, 0x01e1fff8);     /* Set Interrupt Trigger Levels */
173         mtdcr (uic2vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
174         mtdcr (uic2sr, 0x00000000);     /* clear all interrupts */
175         mtdcr (uic2sr, 0xffffffff);     /* clear all interrupts */
176
177         mtdcr (uic1sr, 0xffffffff);     /* Clear all interrupts */
178         mtdcr (uic1er, 0x00000000);     /* disable all interrupts */
179         mtdcr (uic1cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
180         mtdcr (uic1pr, 0xfffac785);     /* Set Interrupt Polarities */
181         mtdcr (uic1tr, 0x001d0040);     /* Set Interrupt Trigger Levels */
182         mtdcr (uic1vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
183         mtdcr (uic1sr, 0x00000000);     /* clear all interrupts */
184         mtdcr (uic1sr, 0xffffffff);     /* clear all interrupts */
185
186         mtdcr (uic0sr, 0xffffffff);     /* Clear all interrupts */
187         mtdcr (uic0er, 0x0000000a);     /* Disable all interrupts */
188                                         /* Except cascade UIC0 and UIC1 */
189         mtdcr (uic0cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
190         mtdcr (uic0pr, 0xffbfefef);     /* Set Interrupt Polarities */
191         mtdcr (uic0tr, 0x00007000);     /* Set Interrupt Trigger Levels */
192         mtdcr (uic0vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
193         mtdcr (uic0sr, 0x00000000);     /* clear all interrupts */
194         mtdcr (uic0sr, 0xffffffff);     /* clear all interrupts */
195
196         /*
197          * Note: Some cores are still in reset when the chip starts, so
198          * take them out of reset
199          */
200         mtsdr(SDR0_SRST, 0);
201
202         fpga_init();
203
204         /* Configure 405EX for NAND usage */
205         val = SDR0_CUST0_MUX_NDFC_SEL |
206                 SDR0_CUST0_NDFC_ENABLE |
207                 SDR0_CUST0_NDFC_BW_8_BIT |
208                 SDR0_CUST0_NRB_BUSY |
209                 (0x80000000 >> (28 + CFG_NAND_CS));
210         mtsdr(SDR0_CUST0, val);
211
212         return 0;
213 }
214
215 int misc_init_r(void)
216 {
217 #ifdef CFG_ENV_IS_IN_FLASH
218         /* Monitor protection ON by default */
219         flash_protect(FLAG_PROTECT_SET,
220                       -CFG_MONITOR_LEN,
221                       0xffffffff,
222                       &flash_info[0]);
223 #endif
224
225         return 0;
226 }
227
228 int board_emac_count(void)
229 {
230         u32 pvr = get_pvr();
231
232         /*
233          * 405EXr only has one EMAC interface, 405EX has two
234          */
235         if ((pvr == PVR_405EXR1_RA) || (pvr == PVR_405EXR2_RA))
236                 return 1;
237         else
238                 return 2;
239 }
240
241 static int board_pcie_count(void)
242 {
243         u32 pvr = get_pvr();
244
245         /*
246          * 405EXr only has one EMAC interface, 405EX has two
247          */
248         if ((pvr == PVR_405EXR1_RA) || (pvr == PVR_405EXR2_RA))
249                 return 1;
250         else
251                 return 2;
252 }
253
254 int checkboard (void)
255 {
256         char *s = getenv("serial#");
257         u32 pvr = get_pvr();
258
259         if ((pvr == PVR_405EXR1_RA) || (pvr == PVR_405EXR2_RA))
260                 printf("Board: Haleakala - AMCC PPC405EXr Evaluation Board");
261         else
262                 printf("Board: Kilauea - AMCC PPC405EX Evaluation Board");
263
264         if (s != NULL) {
265                 puts(", serial# ");
266                 puts(s);
267         }
268         putc('\n');
269
270         return (0);
271 }
272
273 /*************************************************************************
274  *  pci_pre_init
275  *
276  *  This routine is called just prior to registering the hose and gives
277  *  the board the opportunity to check things. Returning a value of zero
278  *  indicates that things are bad & PCI initialization should be aborted.
279  *
280  *      Different boards may wish to customize the pci controller structure
281  *      (add regions, override default access routines, etc) or perform
282  *      certain pre-initialization actions.
283  *
284  ************************************************************************/
285 #if defined(CONFIG_PCI)
286 int pci_pre_init(struct pci_controller * hose )
287 {
288         return 0;
289 }
290 #endif  /* defined(CONFIG_PCI) */
291
292 /*************************************************************************
293  *  pci_target_init
294  *
295  *      The bootstrap configuration provides default settings for the pci
296  *      inbound map (PIM). But the bootstrap config choices are limited and
297  *      may not be sufficient for a given board.
298  *
299  ************************************************************************/
300 #if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
301 void pci_target_init(struct pci_controller * hose )
302 {
303         /*-------------------------------------------------------------------+
304          * Disable everything
305          *-------------------------------------------------------------------*/
306         out32r( PCIX0_PIM0SA, 0 ); /* disable */
307         out32r( PCIX0_PIM1SA, 0 ); /* disable */
308         out32r( PCIX0_PIM2SA, 0 ); /* disable */
309         out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
310
311         /*-------------------------------------------------------------------+
312          * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
313          * strapping options to not support sizes such as 128/256 MB.
314          *-------------------------------------------------------------------*/
315         out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
316         out32r( PCIX0_PIM0LAH, 0 );
317         out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
318
319         out32r( PCIX0_BAR0, 0 );
320
321         /*-------------------------------------------------------------------+
322          * Program the board's subsystem id/vendor id
323          *-------------------------------------------------------------------*/
324         out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
325         out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
326
327         out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
328 }
329 #endif  /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
330
331 #ifdef CONFIG_PCI
332 static struct pci_controller pcie_hose[2] = {{0},{0}};
333
334 void pcie_setup_hoses(int busno)
335 {
336         struct pci_controller *hose;
337         int i, bus;
338         int ret = 0;
339         bus = busno;
340         char *env;
341         unsigned int delay;
342
343         for (i = 0; i < board_pcie_count(); i++) {
344
345                 if (is_end_point(i))
346                         ret = ppc4xx_init_pcie_endport(i);
347                 else
348                         ret = ppc4xx_init_pcie_rootport(i);
349                 if (ret) {
350                         printf("PCIE%d: initialization as %s failed\n", i,
351                                is_end_point(i) ? "endpoint" : "root-complex");
352                         continue;
353                 }
354
355                 hose = &pcie_hose[i];
356                 hose->first_busno = bus;
357                 hose->last_busno = bus;
358                 hose->current_busno = bus;
359
360                 /* setup mem resource */
361                 pci_set_region(hose->regions + 0,
362                                CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
363                                CFG_PCIE_MEMBASE + i * CFG_PCIE_MEMSIZE,
364                                CFG_PCIE_MEMSIZE,
365                                PCI_REGION_MEM);
366                 hose->region_count = 1;
367                 pci_register_hose(hose);
368
369                 if (is_end_point(i)) {
370                         ppc4xx_setup_pcie_endpoint(hose, i);
371                         /*
372                          * Reson for no scanning is endpoint can not generate
373                          * upstream configuration accesses.
374                          */
375                 } else {
376                         ppc4xx_setup_pcie_rootpoint(hose, i);
377                         env = getenv ("pciscandelay");
378                         if (env != NULL) {
379                                 delay = simple_strtoul(env, NULL, 10);
380                                 if (delay > 5)
381                                         printf("Warning, expect noticable delay before "
382                                                "PCIe scan due to 'pciscandelay' value!\n");
383                                 mdelay(delay * 1000);
384                         }
385
386                         /*
387                          * Config access can only go down stream
388                          */
389                         hose->last_busno = pci_hose_scan(hose);
390                         bus = hose->last_busno + 1;
391                 }
392         }
393 }
394 #endif
395
396 #if defined(CONFIG_POST)
397 /*
398  * Returns 1 if keys pressed to start the power-on long-running tests
399  * Called from board_init_f().
400  */
401 int post_hotkeys_pressed(void)
402 {
403         return 0;       /* No hotkeys supported */
404 }
405 #endif /* CONFIG_POST */
406
407 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
408 void ft_board_setup(void *blob, bd_t *bd)
409 {
410         u32 val[4];
411         int rc;
412
413         ft_cpu_setup(blob, bd);
414
415         /* Fixup NOR mapping */
416         val[0] = 0;                             /* chip select number */
417         val[1] = 0;                             /* always 0 */
418         val[2] = gd->bd->bi_flashstart;
419         val[3] = gd->bd->bi_flashsize;
420         rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
421                                   val, sizeof(val), 1);
422         if (rc)
423                 printf("Unable to update property NOR mapping, err=%s\n",
424                        fdt_strerror(rc));
425 }
426 #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */