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rename CFG_ macros to CONFIG_SYS
[karo-tx-uboot.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 <fdt_support.h>
29 #include <asm/processor.h>
30 #include <asm/io.h>
31
32 #if defined(CONFIG_PCI)
33 #include <pci.h>
34 #include <asm/4xx_pcie.h>
35 #endif
36
37 DECLARE_GLOBAL_DATA_PTR;
38
39 extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips     */
40
41 /*
42  * Board early initialization function
43  */
44 int board_early_init_f (void)
45 {
46         u32 val;
47
48         /*--------------------------------------------------------------------+
49          | Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
50          +--------------------------------------------------------------------+
51         +---------------------------------------------------------------------+
52         |Interrupt| Source                            | Pol.  | Sensi.| Crit. |
53         +---------+-----------------------------------+-------+-------+-------+
54         | IRQ 00  | UART0                             | High  | Level | Non   |
55         | IRQ 01  | UART1                             | High  | Level | Non   |
56         | IRQ 02  | IIC0                              | High  | Level | Non   |
57         | IRQ 03  | TBD                               | High  | Level | Non   |
58         | IRQ 04  | TBD                               | High  | Level | Non   |
59         | IRQ 05  | EBM                               | High  | Level | Non   |
60         | IRQ 06  | BGI                               | High  | Level | Non   |
61         | IRQ 07  | IIC1                              | Rising| Edge  | Non   |
62         | IRQ 08  | SPI                               | High  | Lvl/ed| Non   |
63         | IRQ 09  | External IRQ 0 - (PCI-Express)    | pgm H | Pgm   | Non   |
64         | IRQ 10  | MAL TX EOB                        | High  | Level | Non   |
65         | IRQ 11  | MAL RX EOB                        | High  | Level | Non   |
66         | IRQ 12  | DMA Channel 0 FIFO Full           | High  | Level | Non   |
67         | IRQ 13  | DMA Channel 0 Stat FIFO           | High  | Level | Non   |
68         | IRQ 14  | DMA Channel 1 FIFO Full           | High  | Level | Non   |
69         | IRQ 15  | DMA Channel 1 Stat FIFO           | High  | Level | Non   |
70         | IRQ 16  | PCIE0 AL                          | high  | Level | Non   |
71         | IRQ 17  | PCIE0 VPD access                  | rising| Edge  | Non   |
72         | IRQ 18  | PCIE0 hot reset request           | rising| Edge  | Non   |
73         | IRQ 19  | PCIE0 hot reset request           | faling| Edge  | Non   |
74         | IRQ 20  | PCIE0 TCR                         | High  | Level | Non   |
75         | IRQ 21  | PCIE0 MSI level0                  | High  | Level | Non   |
76         | IRQ 22  | PCIE0 MSI level1                  | High  | Level | Non   |
77         | IRQ 23  | Security EIP-94                   | High  | Level | Non   |
78         | IRQ 24  | EMAC0 interrupt                   | High  | Level | Non   |
79         | IRQ 25  | EMAC1 interrupt                   | High  | Level | Non   |
80         | IRQ 26  | PCIE0 MSI level2                  | High  | Level | Non   |
81         | IRQ 27  | External IRQ 4                    | pgm H | Pgm   | Non   |
82         | IRQ 28  | UIC2 Non-critical Int.            | High  | Level | Non   |
83         | IRQ 29  | UIC2 Critical Interrupt           | High  | Level | Crit. |
84         | IRQ 30  | UIC1 Non-critical Int.            | High  | Level | Non   |
85         | IRQ 31  | UIC1 Critical Interrupt           | High  | Level | Crit. |
86         |----------------------------------------------------------------------
87         | IRQ 32  | MAL Serr                          | High  | Level | Non   |
88         | IRQ 33  | MAL Txde                          | High  | Level | Non   |
89         | IRQ 34  | MAL Rxde                          | High  | Level | Non   |
90         | IRQ 35  | PCIE0 bus master VC0              |falling| Edge  | Non   |
91         | IRQ 36  | PCIE0 DCR Error                   | High  | Level | Non   |
92         | IRQ 37  | EBC                               | High  |Lvl Edg| Non   |
93         | IRQ 38  | NDFC                              | High  | Level | Non   |
94         | IRQ 39  | GPT Compare Timer 8               | Risin | Edge  | Non   |
95         | IRQ 40  | GPT Compare Timer 9               | Risin | Edge  | Non   |
96         | IRQ 41  | PCIE1 AL                          | high  | Level | Non   |
97         | IRQ 42  | PCIE1 VPD access                  | rising| edge  | Non   |
98         | IRQ 43  | PCIE1 hot reset request           | rising| Edge  | Non   |
99         | IRQ 44  | PCIE1 hot reset request           | faling| Edge  | Non   |
100         | IRQ 45  | PCIE1 TCR                         | High  | Level | Non   |
101         | IRQ 46  | PCIE1 bus master VC0              |falling| Edge  | Non   |
102         | IRQ 47  | GPT Compare Timer 3               | Risin | Edge  | Non   |
103         | IRQ 48  | GPT Compare Timer 4               | Risin | Edge  | Non   |
104         | IRQ 49  | Ext. IRQ 7                        |pgm/Fal|pgm/Lvl| Non   |
105         | IRQ 50  | Ext. IRQ 8 -                      |pgm (H)|pgm/Lvl| Non   |
106         | IRQ 51  | Ext. IRQ 9                        |pgm (H)|pgm/Lvl| Non   |
107         | IRQ 52  | GPT Compare Timer 5               | high  | Edge  | Non   |
108         | IRQ 53  | GPT Compare Timer 6               | high  | Edge  | Non   |
109         | IRQ 54  | GPT Compare Timer 7               | high  | Edge  | Non   |
110         | IRQ 55  | Serial ROM                        | High  | Level | Non   |
111         | IRQ 56  | GPT Decrement Pulse               | High  | Level | Non   |
112         | IRQ 57  | Ext. IRQ 2                        |pgm/Fal|pgm/Lvl| Non   |
113         | IRQ 58  | Ext. IRQ 5                        |pgm/Fal|pgm/Lvl| Non   |
114         | IRQ 59  | Ext. IRQ 6                        |pgm/Fal|pgm/Lvl| Non   |
115         | IRQ 60  | EMAC0 Wake-up                     | High  | Level | Non   |
116         | IRQ 61  | Ext. IRQ 1                        |pgm/Fal|pgm/Lvl| Non   |
117         | IRQ 62  | EMAC1 Wake-up                     | High  | Level | Non   |
118         |----------------------------------------------------------------------
119         | IRQ 64  | PE0 AL                            | High  | Level | Non   |
120         | IRQ 65  | PE0 VPD Access                    | Risin | Edge  | Non   |
121         | IRQ 66  | PE0 Hot Reset Request             | Risin | Edge  | Non   |
122         | IRQ 67  | PE0 Hot Reset Request             | Falli | Edge  | Non   |
123         | IRQ 68  | PE0 TCR                           | High  | Level | Non   |
124         | IRQ 69  | PE0 BusMaster VCO                 | Falli | Edge  | Non   |
125         | IRQ 70  | PE0 DCR Error                     | High  | Level | Non   |
126         | IRQ 71  | Reserved                          | N/A   | N/A   | Non   |
127         | IRQ 72  | PE1 AL                            | High  | Level | Non   |
128         | IRQ 73  | PE1 VPD Access                    | Risin | Edge  | Non   |
129         | IRQ 74  | PE1 Hot Reset Request             | Risin | Edge  | Non   |
130         | IRQ 75  | PE1 Hot Reset Request             | Falli | Edge  | Non   |
131         | IRQ 76  | PE1 TCR                           | High  | Level | Non   |
132         | IRQ 77  | PE1 BusMaster VCO                 | Falli | Edge  | Non   |
133         | IRQ 78  | PE1 DCR Error                     | High  | Level | Non   |
134         | IRQ 79  | Reserved                          | N/A   | N/A   | Non   |
135         | IRQ 80  | PE2 AL                            | High  | Level | Non   |
136         | IRQ 81  | PE2 VPD Access                    | Risin | Edge  | Non   |
137         | IRQ 82  | PE2 Hot Reset Request             | Risin | Edge  | Non   |
138         | IRQ 83  | PE2 Hot Reset Request             | Falli | Edge  | Non   |
139         | IRQ 84  | PE2 TCR                           | High  | Level | Non   |
140         | IRQ 85  | PE2 BusMaster VCO                 | Falli | Edge  | Non   |
141         | IRQ 86  | PE2 DCR Error                     | High  | Level | Non   |
142         | IRQ 87  | Reserved                          | N/A   | N/A   | Non   |
143         | IRQ 88  | External IRQ(5)                   | Progr | Progr | Non   |
144         | IRQ 89  | External IRQ 4 - Ethernet         | Progr | Progr | Non   |
145         | IRQ 90  | External IRQ 3 - PCI-X            | Progr | Progr | Non   |
146         | IRQ 91  | External IRQ 2 - PCI-X            | Progr | Progr | Non   |
147         | IRQ 92  | External IRQ 1 - PCI-X            | Progr | Progr | Non   |
148         | IRQ 93  | External IRQ 0 - PCI-X            | Progr | Progr | Non   |
149         | IRQ 94  | Reserved                          | N/A   | N/A   | Non   |
150         | IRQ 95  | Reserved                          | N/A   | N/A   | Non   |
151         |---------------------------------------------------------------------
152         +---------+-----------------------------------+-------+-------+------*/
153         /*--------------------------------------------------------------------+
154          | Initialise UIC registers.  Clear all interrupts.  Disable all
155          | interrupts.
156          | Set critical interrupt values.  Set interrupt polarities.  Set
157          | interrupt trigger levels.  Make bit 0 High  priority.  Clear all
158          | interrupts again.
159          +-------------------------------------------------------------------*/
160
161         mtdcr (uic2sr, 0xffffffff);     /* Clear all interrupts */
162         mtdcr (uic2er, 0x00000000);     /* disable all interrupts */
163         mtdcr (uic2cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
164         mtdcr (uic2pr, 0xf7ffffff);     /* Set Interrupt Polarities */
165         mtdcr (uic2tr, 0x01e1fff8);     /* Set Interrupt Trigger Levels */
166         mtdcr (uic2vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
167         mtdcr (uic2sr, 0x00000000);     /* clear all interrupts */
168         mtdcr (uic2sr, 0xffffffff);     /* clear all interrupts */
169
170         mtdcr (uic1sr, 0xffffffff);     /* Clear all interrupts */
171         mtdcr (uic1er, 0x00000000);     /* disable all interrupts */
172         mtdcr (uic1cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
173         mtdcr (uic1pr, 0xfffac785);     /* Set Interrupt Polarities */
174         mtdcr (uic1tr, 0x001d0040);     /* Set Interrupt Trigger Levels */
175         mtdcr (uic1vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
176         mtdcr (uic1sr, 0x00000000);     /* clear all interrupts */
177         mtdcr (uic1sr, 0xffffffff);     /* clear all interrupts */
178
179         mtdcr (uic0sr, 0xffffffff);     /* Clear all interrupts */
180         mtdcr (uic0er, 0x0000000a);     /* Disable all interrupts */
181                                         /* Except cascade UIC0 and UIC1 */
182         mtdcr (uic0cr, 0x00000000);     /* Set Critical / Non Critical interrupts */
183         mtdcr (uic0pr, 0xffbfefef);     /* Set Interrupt Polarities */
184         mtdcr (uic0tr, 0x00007000);     /* Set Interrupt Trigger Levels */
185         mtdcr (uic0vr, 0x00000001);     /* Set Vect base=0,INT31 Highest priority */
186         mtdcr (uic0sr, 0x00000000);     /* clear all interrupts */
187         mtdcr (uic0sr, 0xffffffff);     /* clear all interrupts */
188
189         /*
190          * Note: Some cores are still in reset when the chip starts, so
191          * take them out of reset
192          */
193         mtsdr(SDR0_SRST, 0);
194
195         /* Configure 405EX for NAND usage */
196         val = SDR0_CUST0_MUX_NDFC_SEL |
197                 SDR0_CUST0_NDFC_ENABLE |
198                 SDR0_CUST0_NDFC_BW_8_BIT |
199                 SDR0_CUST0_NRB_BUSY |
200                 (0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
201         mtsdr(SDR0_CUST0, val);
202
203         /*
204          * Configure PFC (Pin Function Control) registers
205          * -> Enable USB
206          */
207         val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
208         mtsdr(SDR0_PFC1, val);
209
210         /*
211          * Configure FPGA register with PCIe reset
212          */
213         out_be32((void *)CONFIG_SYS_FPGA_BASE, 0xff570cc4);     /* assert PCIe reset */
214         mdelay(50);
215         out_be32((void *)CONFIG_SYS_FPGA_BASE, 0xff570cc7);     /* deassert PCIe reset */
216
217         return 0;
218 }
219
220 int misc_init_r(void)
221 {
222 #ifdef CONFIG_ENV_IS_IN_FLASH
223         /* Monitor protection ON by default */
224         flash_protect(FLAG_PROTECT_SET,
225                       -CONFIG_SYS_MONITOR_LEN,
226                       0xffffffff,
227                       &flash_info[0]);
228 #endif
229
230         return 0;
231 }
232
233 static int is_405exr(void)
234 {
235         u32 pvr = get_pvr();
236
237         if (pvr & 0x00000004)
238                 return 0;               /* bit 2 set -> 405EX */
239
240         return 1;                       /* bit 2 cleared -> 405EXr */
241 }
242
243 int board_emac_count(void)
244 {
245         /*
246          * 405EXr only has one EMAC interface, 405EX has two
247          */
248         if (is_405exr())
249                 return 1;
250         else
251                 return 2;
252 }
253
254 static int board_pcie_count(void)
255 {
256         /*
257          * 405EXr only has one EMAC interface, 405EX has two
258          */
259         if (is_405exr())
260                 return 1;
261         else
262                 return 2;
263 }
264
265 int checkboard (void)
266 {
267         char *s = getenv("serial#");
268
269         if (is_405exr())
270                 printf("Board: Haleakala - AMCC PPC405EXr Evaluation Board");
271         else
272                 printf("Board: Kilauea - AMCC PPC405EX Evaluation Board");
273
274         if (s != NULL) {
275                 puts(", serial# ");
276                 puts(s);
277         }
278         putc('\n');
279
280         return (0);
281 }
282
283 /*************************************************************************
284  *  pci_pre_init
285  *
286  *  This routine is called just prior to registering the hose and gives
287  *  the board the opportunity to check things. Returning a value of zero
288  *  indicates that things are bad & PCI initialization should be aborted.
289  *
290  *      Different boards may wish to customize the pci controller structure
291  *      (add regions, override default access routines, etc) or perform
292  *      certain pre-initialization actions.
293  *
294  ************************************************************************/
295 #if defined(CONFIG_PCI)
296 int pci_pre_init(struct pci_controller * hose )
297 {
298         return 0;
299 }
300 #endif  /* defined(CONFIG_PCI) */
301
302 #ifdef CONFIG_PCI
303 static struct pci_controller pcie_hose[2] = {{0},{0}};
304
305 void pcie_setup_hoses(int busno)
306 {
307         struct pci_controller *hose;
308         int i, bus;
309         int ret = 0;
310         bus = busno;
311         char *env;
312         unsigned int delay;
313
314         for (i = 0; i < board_pcie_count(); i++) {
315
316                 if (is_end_point(i))
317                         ret = ppc4xx_init_pcie_endport(i);
318                 else
319                         ret = ppc4xx_init_pcie_rootport(i);
320                 if (ret) {
321                         printf("PCIE%d: initialization as %s failed\n", i,
322                                is_end_point(i) ? "endpoint" : "root-complex");
323                         continue;
324                 }
325
326                 hose = &pcie_hose[i];
327                 hose->first_busno = bus;
328                 hose->last_busno = bus;
329                 hose->current_busno = bus;
330
331                 /* setup mem resource */
332                 pci_set_region(hose->regions + 0,
333                                CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
334                                CONFIG_SYS_PCIE_MEMBASE + i * CONFIG_SYS_PCIE_MEMSIZE,
335                                CONFIG_SYS_PCIE_MEMSIZE,
336                                PCI_REGION_MEM);
337                 hose->region_count = 1;
338                 pci_register_hose(hose);
339
340                 if (is_end_point(i)) {
341                         ppc4xx_setup_pcie_endpoint(hose, i);
342                         /*
343                          * Reson for no scanning is endpoint can not generate
344                          * upstream configuration accesses.
345                          */
346                 } else {
347                         ppc4xx_setup_pcie_rootpoint(hose, i);
348                         env = getenv ("pciscandelay");
349                         if (env != NULL) {
350                                 delay = simple_strtoul(env, NULL, 10);
351                                 if (delay > 5)
352                                         printf("Warning, expect noticable delay before "
353                                                "PCIe scan due to 'pciscandelay' value!\n");
354                                 mdelay(delay * 1000);
355                         }
356
357                         /*
358                          * Config access can only go down stream
359                          */
360                         hose->last_busno = pci_hose_scan(hose);
361                         bus = hose->last_busno + 1;
362                 }
363         }
364 }
365 #endif
366
367 #if defined(CONFIG_POST)
368 /*
369  * Returns 1 if keys pressed to start the power-on long-running tests
370  * Called from board_init_f().
371  */
372 int post_hotkeys_pressed(void)
373 {
374         return 0;       /* No hotkeys supported */
375 }
376 #endif /* CONFIG_POST */