1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
/*
* (C) Copyright 2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/ppc4xx.h>
#include <asm/ppc405.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/errno.h>
#if defined(CONFIG_PCI)
#include <pci.h>
#include <asm/4xx_pcie.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
static int board_cpld_version(void)
{
u32 cpld;
cpld = in_be32((void *)CONFIG_SYS_FPGA_FIFO_BASE);
if ((cpld & CONFIG_SYS_FPGA_MAGIC_MASK) != CONFIG_SYS_FPGA_MAGIC) {
/*
* Magic not found -> "old" CPLD revision which needs
* the "old" EBC configuration
*/
mtebc(PB2AP, EBC_BXAP_BME_ENABLED | EBC_BXAP_FWT_ENCODE(5) |
EBC_BXAP_BWT_ENCODE(0) | EBC_BXAP_BCE_DISABLE |
EBC_BXAP_BCT_2TRANS | EBC_BXAP_CSN_ENCODE(0) |
EBC_BXAP_OEN_ENCODE(0) | EBC_BXAP_WBN_ENCODE(3) |
EBC_BXAP_WBF_ENCODE(0) | EBC_BXAP_TH_ENCODE(4) |
EBC_BXAP_RE_DISABLED | EBC_BXAP_SOR_DELAYED |
EBC_BXAP_BEM_WRITEONLY | EBC_BXAP_PEN_DISABLED);
/*
* Return 0 for "old" CPLD version
*/
return 0;
}
/*
* Magic found -> "new" CPLD revision which needs no new
* EBC configuration
*/
return (cpld & CONFIG_SYS_FPGA_VER_MASK) >> 8;
}
/*
* Board early initialization function
*/
int board_early_init_f (void)
{
u32 val;
/*--------------------------------------------------------------------+
| Interrupt controller setup for the AMCC 405EX(r) PINE evaluation board.
+--------------------------------------------------------------------+
+---------------------------------------------------------------------+
|Interrupt| Source | Pol. | Sensi.| Crit. |
+---------+-----------------------------------+-------+-------+-------+
| IRQ 00 | UART0 | High | Level | Non |
| IRQ 01 | UART1 | High | Level | Non |
| IRQ 02 | IIC0 | High | Level | Non |
| IRQ 03 | TBD | High | Level | Non |
| IRQ 04 | TBD | High | Level | Non |
| IRQ 05 | EBM | High | Level | Non |
| IRQ 06 | BGI | High | Level | Non |
| IRQ 07 | IIC1 | Rising| Edge | Non |
| IRQ 08 | SPI | High | Lvl/ed| Non |
| IRQ 09 | External IRQ 0 - (PCI-Express) | pgm H | Pgm | Non |
| IRQ 10 | MAL TX EOB | High | Level | Non |
| IRQ 11 | MAL RX EOB | High | Level | Non |
| IRQ 12 | DMA Channel 0 FIFO Full | High | Level | Non |
| IRQ 13 | DMA Channel 0 Stat FIFO | High | Level | Non |
| IRQ 14 | DMA Channel 1 FIFO Full | High | Level | Non |
| IRQ 15 | DMA Channel 1 Stat FIFO | High | Level | Non |
| IRQ 16 | PCIE0 AL | high | Level | Non |
| IRQ 17 | PCIE0 VPD access | rising| Edge | Non |
| IRQ 18 | PCIE0 hot reset request | rising| Edge | Non |
| IRQ 19 | PCIE0 hot reset request | faling| Edge | Non |
| IRQ 20 | PCIE0 TCR | High | Level | Non |
| IRQ 21 | PCIE0 MSI level0 | High | Level | Non |
| IRQ 22 | PCIE0 MSI level1 | High | Level | Non |
| IRQ 23 | Security EIP-94 | High | Level | Non |
| IRQ 24 | EMAC0 interrupt | High | Level | Non |
| IRQ 25 | EMAC1 interrupt | High | Level | Non |
| IRQ 26 | PCIE0 MSI level2 | High | Level | Non |
| IRQ 27 | External IRQ 4 | pgm H | Pgm | Non |
| IRQ 28 | UIC2 Non-critical Int. | High | Level | Non |
| IRQ 29 | UIC2 Critical Interrupt | High | Level | Crit. |
| IRQ 30 | UIC1 Non-critical Int. | High | Level | Non |
| IRQ 31 | UIC1 Critical Interrupt | High | Level | Crit. |
|----------------------------------------------------------------------
| IRQ 32 | MAL Serr | High | Level | Non |
| IRQ 33 | MAL Txde | High | Level | Non |
| IRQ 34 | MAL Rxde | High | Level | Non |
| IRQ 35 | PCIE0 bus master VC0 |falling| Edge | Non |
| IRQ 36 | PCIE0 DCR Error | High | Level | Non |
| IRQ 37 | EBC | High |Lvl Edg| Non |
| IRQ 38 | NDFC | High | Level | Non |
| IRQ 39 | GPT Compare Timer 8 | Risin | Edge | Non |
| IRQ 40 | GPT Compare Timer 9 | Risin | Edge | Non |
| IRQ 41 | PCIE1 AL | high | Level | Non |
| IRQ 42 | PCIE1 VPD access | rising| edge | Non |
| IRQ 43 | PCIE1 hot reset request | rising| Edge | Non |
| IRQ 44 | PCIE1 hot reset request | faling| Edge | Non |
| IRQ 45 | PCIE1 TCR | High | Level | Non |
| IRQ 46 | PCIE1 bus master VC0 |falling| Edge | Non |
| IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non |
| IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non |
| IRQ 49 | Ext. IRQ 7 |pgm/Fal|pgm/Lvl| Non |
| IRQ 50 | Ext. IRQ 8 - |pgm (H)|pgm/Lvl| Non |
| IRQ 51 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non |
| IRQ 52 | GPT Compare Timer 5 | high | Edge | Non |
| IRQ 53 | GPT Compare Timer 6 | high | Edge | Non |
| IRQ 54 | GPT Compare Timer 7 | high | Edge | Non |
| IRQ 55 | Serial ROM | High | Level | Non |
| IRQ 56 | GPT Decrement Pulse | High | Level | Non |
| IRQ 57 | Ext. IRQ 2 |pgm/Fal|pgm/Lvl| Non |
| IRQ 58 | Ext. IRQ 5 |pgm/Fal|pgm/Lvl| Non |
| IRQ 59 | Ext. IRQ 6 |pgm/Fal|pgm/Lvl| Non |
| IRQ 60 | EMAC0 Wake-up | High | Level | Non |
| IRQ 61 | Ext. IRQ 1 |pgm/Fal|pgm/Lvl| Non |
| IRQ 62 | EMAC1 Wake-up | High | Level | Non |
|----------------------------------------------------------------------
| IRQ 64 | PE0 AL | High | Level | Non |
| IRQ 65 | PE0 VPD Access | Risin | Edge | Non |
| IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non |
| IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non |
| IRQ 68 | PE0 TCR | High | Level | Non |
| IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non |
| IRQ 70 | PE0 DCR Error | High | Level | Non |
| IRQ 71 | Reserved | N/A | N/A | Non |
| IRQ 72 | PE1 AL | High | Level | Non |
| IRQ 73 | PE1 VPD Access | Risin | Edge | Non |
| IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non |
| IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non |
| IRQ 76 | PE1 TCR | High | Level | Non |
| IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non |
| IRQ 78 | PE1 DCR Error | High | Level | Non |
| IRQ 79 | Reserved | N/A | N/A | Non |
| IRQ 80 | PE2 AL | High | Level | Non |
| IRQ 81 | PE2 VPD Access | Risin | Edge | Non |
| IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non |
| IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non |
| IRQ 84 | PE2 TCR | High | Level | Non |
| IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non |
| IRQ 86 | PE2 DCR Error | High | Level | Non |
| IRQ 87 | Reserved | N/A | N/A | Non |
| IRQ 88 | External IRQ(5) | Progr | Progr | Non |
| IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non |
| IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non |
| IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non |
| IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non |
| IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non |
| IRQ 94 | Reserved | N/A | N/A | Non |
| IRQ 95 | Reserved | N/A | N/A | Non |
|---------------------------------------------------------------------
+---------+-----------------------------------+-------+-------+------*/
/*--------------------------------------------------------------------+
| Initialise UIC registers. Clear all interrupts. Disable all
| interrupts.
| Set critical interrupt values. Set interrupt polarities. Set
| interrupt trigger levels. Make bit 0 High priority. Clear all
| interrupts again.
+-------------------------------------------------------------------*/
mtdcr (UIC2SR, 0xffffffff); /* Clear all interrupts */
mtdcr (UIC2ER, 0x00000000); /* disable all interrupts */
mtdcr (UIC2CR, 0x00000000); /* Set Critical / Non Critical interrupts */
mtdcr (UIC2PR, 0xf7ffffff); /* Set Interrupt Polarities */
mtdcr (UIC2TR, 0x01e1fff8); /* Set Interrupt Trigger Levels */
mtdcr (UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
mtdcr (UIC2SR, 0x00000000); /* clear all interrupts */
mtdcr (UIC2SR, 0xffffffff); /* clear all interrupts */
mtdcr (UIC1SR, 0xffffffff); /* Clear all interrupts */
mtdcr (UIC1ER, 0x00000000); /* disable all interrupts */
mtdcr (UIC1CR, 0x00000000); /* Set Critical / Non Critical interrupts */
mtdcr (UIC1PR, 0xfffac785); /* Set Interrupt Polarities */
mtdcr (UIC1TR, 0x001d0040); /* Set Interrupt Trigger Levels */
mtdcr (UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
mtdcr (UIC1SR, 0x00000000); /* clear all interrupts */
mtdcr (UIC1SR, 0xffffffff); /* clear all interrupts */
mtdcr (UIC0SR, 0xffffffff); /* Clear all interrupts */
mtdcr (UIC0ER, 0x0000000a); /* Disable all interrupts */
/* Except cascade UIC0 and UIC1 */
mtdcr (UIC0CR, 0x00000000); /* Set Critical / Non Critical interrupts */
mtdcr (UIC0PR, 0xffbfefef); /* Set Interrupt Polarities */
mtdcr (UIC0TR, 0x00007000); /* Set Interrupt Trigger Levels */
mtdcr (UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest priority */
mtdcr (UIC0SR, 0x00000000); /* clear all interrupts */
mtdcr (UIC0SR, 0xffffffff); /* clear all interrupts */
/*
* Note: Some cores are still in reset when the chip starts, so
* take them out of reset
*/
mtsdr(SDR0_SRST, 0);
/* Configure 405EX for NAND usage */
val = SDR0_CUST0_MUX_NDFC_SEL |
SDR0_CUST0_NDFC_ENABLE |
SDR0_CUST0_NDFC_BW_8_BIT |
SDR0_CUST0_NRB_BUSY |
(0x80000000 >> (28 + CONFIG_SYS_NAND_CS));
mtsdr(SDR0_CUST0, val);
/*
* Configure PFC (Pin Function Control) registers
* -> Enable USB
*/
val = SDR0_PFC1_USBEN | SDR0_PFC1_USBBIGEN | SDR0_PFC1_GPT_FREQ;
mtsdr(SDR0_PFC1, val);
/*
* The CPLD version detection has to be the first access to
* the CPLD, so we need to make this access this early and
* save the CPLD version for later.
*/
gd->board_type = board_cpld_version();
/*
* Configure FPGA register with PCIe reset
*/
out_be32((void *)CONFIG_SYS_FPGA_BASE, 0xff570cc4); /* assert PCIe reset */
mdelay(50);
out_be32((void *)CONFIG_SYS_FPGA_BASE, 0xff570cc7); /* deassert PCIe reset */
return 0;
}
int misc_init_r(void)
{
#ifdef CONFIG_ENV_IS_IN_FLASH
/* Monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
-CONFIG_SYS_MONITOR_LEN,
0xffffffff,
&flash_info[0]);
#endif
return 0;
}
static int is_405exr(void)
{
u32 pvr = get_pvr();
if (pvr & 0x00000004)
return 0; /* bit 2 set -> 405EX */
return 1; /* bit 2 cleared -> 405EXr */
}
int board_emac_count(void)
{
/*
* 405EXr only has one EMAC interface, 405EX has two
*/
if (is_405exr())
return 1;
else
return 2;
}
/*
* Override the weak default implementation and return the
* last PCIe slot number (max number - 1).
*/
int board_pcie_last(void)
{
/*
* 405EXr only has one EMAC interface, 405EX has two
*/
if (is_405exr())
return 1 - 1;
else
return 2 - 1;
}
int checkboard (void)
{
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
if (is_405exr())
printf("Board: Haleakala - AMCC PPC405EXr Evaluation Board");
else
printf("Board: Kilauea - AMCC PPC405EX Evaluation Board");
if (i > 0) {
puts(", serial# ");
puts(buf);
}
printf(" (CPLD rev. %ld)\n", gd->board_type);
return (0);
}
|
