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wdenk0e6d7982004-03-14 00:07:33 +00001/*
2 * Copyright (C) 2004 PaulReynolds@lhsolutions.com
3 *
Stefan Roese8a316c92005-08-01 16:49:12 +02004 * (C) Copyright 2005
5 * Stefan Roese, DENX Software Engineering, sr@denx.de.
6 *
wdenk0e6d7982004-03-14 00:07:33 +00007 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26
27#include <common.h>
28#include "ocotea.h"
29#include <asm/processor.h>
30#include <spd_sdram.h>
Stefan Roesed6c61aa2005-08-16 18:18:00 +020031#include <ppc4xx_enet.h>
wdenk0e6d7982004-03-14 00:07:33 +000032
Wolfgang Denkd87080b2006-03-31 18:32:53 +020033DECLARE_GLOBAL_DATA_PTR;
34
wdenk0e6d7982004-03-14 00:07:33 +000035#define BOOT_SMALL_FLASH 32 /* 00100000 */
36#define FLASH_ONBD_N 2 /* 00000010 */
37#define FLASH_SRAM_SEL 1 /* 00000001 */
38
39long int fixed_sdram (void);
40void fpga_init (void);
41
42int board_early_init_f (void)
43{
wdenk4b248f32004-03-14 16:51:43 +000044 unsigned long mfr;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020045 unsigned char *fpga_base = (unsigned char *) CONFIG_SYS_FPGA_BASE;
stroese7ec25502005-04-07 05:35:12 +000046 unsigned char switch_status;
47 unsigned long cs0_base;
48 unsigned long cs0_size;
49 unsigned long cs0_twt;
50 unsigned long cs2_base;
51 unsigned long cs2_size;
52 unsigned long cs2_twt;
53
wdenk0e6d7982004-03-14 00:07:33 +000054 /*-------------------------------------------------------------------------+
55 | Initialize EBC CONFIG
56 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +020057 mtebc(EBC0_CFG, EBC_CFG_LE_UNLOCK |
wdenk0e6d7982004-03-14 00:07:33 +000058 EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
59 EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
60 EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_NONDEFAULT |
61 EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
62
63 /*-------------------------------------------------------------------------+
stroese7ec25502005-04-07 05:35:12 +000064 | FPGA. Initialize bank 7 with default values.
wdenk0e6d7982004-03-14 00:07:33 +000065 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +020066 mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
wdenk0e6d7982004-03-14 00:07:33 +000067 EBC_BXAP_BCE_DISABLE|
68 EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
69 EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
70 EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
71 EBC_BXAP_BEM_WRITEONLY|
72 EBC_BXAP_PEN_DISABLED);
Stefan Roesed1c3b272009-09-09 16:25:29 +020073 mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)|
stroese7ec25502005-04-07 05:35:12 +000074 EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
75
76 /* read FPGA base register FPGA_REG0 */
77 switch_status = *fpga_base;
78
79 if (switch_status & 0x40) {
80 cs0_base = 0xFFE00000;
81 cs0_size = EBC_BXCR_BS_2MB;
82 cs0_twt = 8;
83 cs2_base = 0xFF800000;
84 cs2_size = EBC_BXCR_BS_4MB;
85 cs2_twt = 10;
86 } else {
87 cs0_base = 0xFFC00000;
88 cs0_size = EBC_BXCR_BS_4MB;
89 cs0_twt = 10;
90 cs2_base = 0xFF800000;
91 cs2_size = EBC_BXCR_BS_2MB;
92 cs2_twt = 8;
93 }
94
95 /*-------------------------------------------------------------------------+
96 | 1 MB FLASH / 1 MB SRAM. Initialize bank 0 with default values.
97 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +020098 mtebc(PB0AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs0_twt)|
stroese7ec25502005-04-07 05:35:12 +000099 EBC_BXAP_BCE_DISABLE|
100 EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
101 EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
102 EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
103 EBC_BXAP_BEM_WRITEONLY|
104 EBC_BXAP_PEN_DISABLED);
Stefan Roesed1c3b272009-09-09 16:25:29 +0200105 mtebc(PB0CR, EBC_BXCR_BAS_ENCODE(cs0_base)|
stroese7ec25502005-04-07 05:35:12 +0000106 cs0_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
wdenk0e6d7982004-03-14 00:07:33 +0000107
108 /*-------------------------------------------------------------------------+
109 | 8KB NVRAM/RTC. Initialize bank 1 with default values.
110 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +0200111 mtebc(PB1AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(10)|
wdenk0e6d7982004-03-14 00:07:33 +0000112 EBC_BXAP_BCE_DISABLE|
113 EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
114 EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
115 EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
116 EBC_BXAP_BEM_WRITEONLY|
117 EBC_BXAP_PEN_DISABLED);
Stefan Roesed1c3b272009-09-09 16:25:29 +0200118 mtebc(PB1CR, EBC_BXCR_BAS_ENCODE(0x48000000)|
wdenk0e6d7982004-03-14 00:07:33 +0000119 EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
120
121 /*-------------------------------------------------------------------------+
122 | 4 MB FLASH. Initialize bank 2 with default values.
123 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +0200124 mtebc(PB2AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(cs2_twt)|
wdenk0e6d7982004-03-14 00:07:33 +0000125 EBC_BXAP_BCE_DISABLE|
126 EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
127 EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
128 EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
129 EBC_BXAP_BEM_WRITEONLY|
130 EBC_BXAP_PEN_DISABLED);
Stefan Roesed1c3b272009-09-09 16:25:29 +0200131 mtebc(PB2CR, EBC_BXCR_BAS_ENCODE(cs2_base)|
stroese7ec25502005-04-07 05:35:12 +0000132 cs2_size|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
wdenk0e6d7982004-03-14 00:07:33 +0000133
134 /*-------------------------------------------------------------------------+
135 | FPGA. Initialize bank 7 with default values.
136 +-------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +0200137 mtebc(PB7AP, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(7)|
wdenk0e6d7982004-03-14 00:07:33 +0000138 EBC_BXAP_BCE_DISABLE|
139 EBC_BXAP_CSN_ENCODE(1)|EBC_BXAP_OEN_ENCODE(1)|
140 EBC_BXAP_WBN_ENCODE(1)|EBC_BXAP_WBF_ENCODE(1)|
141 EBC_BXAP_TH_ENCODE(1)|EBC_BXAP_RE_DISABLED|
142 EBC_BXAP_BEM_WRITEONLY|
143 EBC_BXAP_PEN_DISABLED);
Stefan Roesed1c3b272009-09-09 16:25:29 +0200144 mtebc(PB7CR, EBC_BXCR_BAS_ENCODE(0x48300000)|
wdenk0e6d7982004-03-14 00:07:33 +0000145 EBC_BXCR_BS_1MB|EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
146
147 /*--------------------------------------------------------------------
148 * Setup the interrupt controller polarities, triggers, etc.
149 *-------------------------------------------------------------------*/
Stefan Roese5de85142008-06-26 17:36:39 +0200150 /*
151 * Because of the interrupt handling rework to handle 440GX interrupts
152 * with the common code, we needed to change names of the UIC registers.
153 * Here the new relationship:
154 *
155 * U-Boot name 440GX name
156 * -----------------------
157 * UIC0 UICB0
158 * UIC1 UIC0
159 * UIC2 UIC1
160 * UIC3 UIC2
161 */
Stefan Roese952e7762009-09-24 09:55:50 +0200162 mtdcr (UIC1SR, 0xffffffff); /* clear all */
163 mtdcr (UIC1ER, 0x00000000); /* disable all */
164 mtdcr (UIC1CR, 0x00000009); /* SMI & UIC1 crit are critical */
165 mtdcr (UIC1PR, 0xfffffe13); /* per ref-board manual */
166 mtdcr (UIC1TR, 0x01c00008); /* per ref-board manual */
167 mtdcr (UIC1VR, 0x00000001); /* int31 highest, base=0x000 */
168 mtdcr (UIC1SR, 0xffffffff); /* clear all */
wdenk0e6d7982004-03-14 00:07:33 +0000169
Stefan Roese952e7762009-09-24 09:55:50 +0200170 mtdcr (UIC2SR, 0xffffffff); /* clear all */
171 mtdcr (UIC2ER, 0x00000000); /* disable all */
172 mtdcr (UIC2CR, 0x00000000); /* all non-critical */
173 mtdcr (UIC2PR, 0xffffe0ff); /* per ref-board manual */
174 mtdcr (UIC2TR, 0x00ffc000); /* per ref-board manual */
175 mtdcr (UIC2VR, 0x00000001); /* int31 highest, base=0x000 */
176 mtdcr (UIC2SR, 0xffffffff); /* clear all */
wdenk4b248f32004-03-14 16:51:43 +0000177
Stefan Roese952e7762009-09-24 09:55:50 +0200178 mtdcr (UIC3SR, 0xffffffff); /* clear all */
179 mtdcr (UIC3ER, 0x00000000); /* disable all */
180 mtdcr (UIC3CR, 0x00000000); /* all non-critical */
181 mtdcr (UIC3PR, 0xffffffff); /* per ref-board manual */
182 mtdcr (UIC3TR, 0x00ff8c0f); /* per ref-board manual */
183 mtdcr (UIC3VR, 0x00000001); /* int31 highest, base=0x000 */
184 mtdcr (UIC3SR, 0xffffffff); /* clear all */
Stefan Roese5de85142008-06-26 17:36:39 +0200185
Stefan Roese952e7762009-09-24 09:55:50 +0200186 mtdcr (UIC0SR, 0xfc000000); /* clear all */
187 mtdcr (UIC0ER, 0x00000000); /* disable all */
188 mtdcr (UIC0CR, 0x00000000); /* all non-critical */
189 mtdcr (UIC0PR, 0xfc000000); /* */
190 mtdcr (UIC0TR, 0x00000000); /* */
191 mtdcr (UIC0VR, 0x00000001); /* */
Stefan Roesed1c3b272009-09-09 16:25:29 +0200192 mfsdr (SDR0_MFR, mfr);
wdenk4b248f32004-03-14 16:51:43 +0000193 mfr &= ~SDR0_MFR_ECS_MASK;
Stefan Roesed1c3b272009-09-09 16:25:29 +0200194/* mtsdr(SDR0_MFR, mfr); */
wdenk0e6d7982004-03-14 00:07:33 +0000195 fpga_init();
196
197 return 0;
198}
199
200
201int checkboard (void)
202{
Wolfgang Denk77ddac92005-10-13 16:45:02 +0200203 char *s = getenv ("serial#");
wdenk0e6d7982004-03-14 00:07:33 +0000204
Stefan Roese8a316c92005-08-01 16:49:12 +0200205 printf ("Board: Ocotea - AMCC PPC440GX Evaluation Board");
206 if (s != NULL) {
207 puts (", serial# ");
208 puts (s);
209 }
210 putc ('\n');
211
wdenk0e6d7982004-03-14 00:07:33 +0000212 return (0);
213}
214
215
Becky Bruce9973e3c2008-06-09 16:03:40 -0500216phys_size_t initdram (int board_type)
wdenk0e6d7982004-03-14 00:07:33 +0000217{
218 long dram_size = 0;
219
220#if defined(CONFIG_SPD_EEPROM)
Wolfgang Denkd87080b2006-03-31 18:32:53 +0200221 dram_size = spd_sdram ();
wdenk0e6d7982004-03-14 00:07:33 +0000222#else
223 dram_size = fixed_sdram ();
224#endif
225 return dram_size;
226}
227
228
wdenk0e6d7982004-03-14 00:07:33 +0000229#if !defined(CONFIG_SPD_EEPROM)
230/*************************************************************************
231 * fixed sdram init -- doesn't use serial presence detect.
232 *
233 * Assumes: 128 MB, non-ECC, non-registered
234 * PLB @ 133 MHz
235 *
236 ************************************************************************/
237long int fixed_sdram (void)
238{
239 uint reg;
240
241 /*--------------------------------------------------------------------
242 * Setup some default
243 *------------------------------------------------------------------*/
Stefan Roese95b602b2009-09-24 13:59:57 +0200244 mtsdram (SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */
245 mtsdram (SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
246 mtsdram (SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */
247 mtsdram (SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */
248 mtsdram (SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
wdenk0e6d7982004-03-14 00:07:33 +0000249
250 /*--------------------------------------------------------------------
251 * Setup for board-specific specific mem
252 *------------------------------------------------------------------*/
253 /*
254 * Following for CAS Latency = 2.5 @ 133 MHz PLB
255 */
Stefan Roese95b602b2009-09-24 13:59:57 +0200256 mtsdram (SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
257 mtsdram (SDRAM0_TR0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
wdenk0e6d7982004-03-14 00:07:33 +0000258 /* RA=10 RD=3 */
Stefan Roese95b602b2009-09-24 13:59:57 +0200259 mtsdram (SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
260 mtsdram (SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
261 mtsdram (SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */
wdenk0e6d7982004-03-14 00:07:33 +0000262 udelay (400); /* Delay 200 usecs (min) */
263
264 /*--------------------------------------------------------------------
265 * Enable the controller, then wait for DCEN to complete
266 *------------------------------------------------------------------*/
Stefan Roese95b602b2009-09-24 13:59:57 +0200267 mtsdram (SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
wdenk0e6d7982004-03-14 00:07:33 +0000268 for (;;) {
Stefan Roese95b602b2009-09-24 13:59:57 +0200269 mfsdram (SDRAM0_MCSTS, reg);
wdenk0e6d7982004-03-14 00:07:33 +0000270 if (reg & 0x80000000)
271 break;
272 }
273
274 return (128 * 1024 * 1024); /* 128 MB */
275}
276#endif /* !defined(CONFIG_SPD_EEPROM) */
277
278
279/*************************************************************************
280 * pci_pre_init
281 *
282 * This routine is called just prior to registering the hose and gives
283 * the board the opportunity to check things. Returning a value of zero
284 * indicates that things are bad & PCI initialization should be aborted.
285 *
286 * Different boards may wish to customize the pci controller structure
287 * (add regions, override default access routines, etc) or perform
288 * certain pre-initialization actions.
289 *
290 ************************************************************************/
Stefan Roese466fff12007-06-25 15:57:39 +0200291#if defined(CONFIG_PCI)
wdenk0e6d7982004-03-14 00:07:33 +0000292int pci_pre_init(struct pci_controller * hose )
293{
294 unsigned long strap;
295
296 /*--------------------------------------------------------------------------+
297 * The ocotea board is always configured as the host & requires the
298 * PCI arbiter to be enabled.
299 *--------------------------------------------------------------------------*/
Stefan Roesed1c3b272009-09-09 16:25:29 +0200300 mfsdr(SDR0_SDSTP1, strap);
wdenk0e6d7982004-03-14 00:07:33 +0000301 if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
302 printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
303 return 0;
304 }
305
306 return 1;
307}
Stefan Roese466fff12007-06-25 15:57:39 +0200308#endif /* defined(CONFIG_PCI) */
wdenk0e6d7982004-03-14 00:07:33 +0000309
310/*************************************************************************
311 * pci_target_init
312 *
313 * The bootstrap configuration provides default settings for the pci
314 * inbound map (PIM). But the bootstrap config choices are limited and
315 * may not be sufficient for a given board.
316 *
317 ************************************************************************/
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200318#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
wdenk0e6d7982004-03-14 00:07:33 +0000319void pci_target_init(struct pci_controller * hose )
320{
wdenk0e6d7982004-03-14 00:07:33 +0000321 /*--------------------------------------------------------------------------+
322 * Disable everything
323 *--------------------------------------------------------------------------*/
324 out32r( PCIX0_PIM0SA, 0 ); /* disable */
325 out32r( PCIX0_PIM1SA, 0 ); /* disable */
326 out32r( PCIX0_PIM2SA, 0 ); /* disable */
327 out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
328
329 /*--------------------------------------------------------------------------+
330 * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
331 * options to not support sizes such as 128/256 MB.
332 *--------------------------------------------------------------------------*/
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200333 out32r( PCIX0_PIM0LAL, CONFIG_SYS_SDRAM_BASE );
wdenk0e6d7982004-03-14 00:07:33 +0000334 out32r( PCIX0_PIM0LAH, 0 );
335 out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
336
337 out32r( PCIX0_BAR0, 0 );
338
339 /*--------------------------------------------------------------------------+
340 * Program the board's subsystem id/vendor id
341 *--------------------------------------------------------------------------*/
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200342 out16r( PCIX0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID );
343 out16r( PCIX0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID );
wdenk0e6d7982004-03-14 00:07:33 +0000344
345 out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
346}
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200347#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
wdenk0e6d7982004-03-14 00:07:33 +0000348
349
350/*************************************************************************
351 * is_pci_host
352 *
353 * This routine is called to determine if a pci scan should be
354 * performed. With various hardware environments (especially cPCI and
355 * PPMC) it's insufficient to depend on the state of the arbiter enable
356 * bit in the strap register, or generic host/adapter assumptions.
357 *
358 * Rather than hard-code a bad assumption in the general 440 code, the
359 * 440 pci code requires the board to decide at runtime.
360 *
361 * Return 0 for adapter mode, non-zero for host (monarch) mode.
362 *
363 *
364 ************************************************************************/
365#if defined(CONFIG_PCI)
366int is_pci_host(struct pci_controller *hose)
367{
368 /* The ocotea board is always configured as host. */
369 return(1);
370}
371#endif /* defined(CONFIG_PCI) */
372
373
374void fpga_init(void)
375{
376 unsigned long group;
377 unsigned long sdr0_pfc0;
378 unsigned long sdr0_pfc1;
379 unsigned long sdr0_cust0;
380 unsigned long pvr;
381
Stefan Roesed1c3b272009-09-09 16:25:29 +0200382 mfsdr (SDR0_PFC0, sdr0_pfc0);
383 mfsdr (SDR0_PFC1, sdr0_pfc1);
wdenk0e6d7982004-03-14 00:07:33 +0000384 group = SDR0_PFC1_EPS_DECODE(sdr0_pfc1);
385 pvr = get_pvr ();
386
387 sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_GEIE_MASK) | SDR0_PFC0_GEIE_TRE;
388 if ( ((pvr == PVR_440GX_RA) || (pvr == PVR_440GX_RB)) && ((group == 4) || (group == 5))) {
389 sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_DISABLE;
390 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
391 out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
392 FPGA_REG2_EXT_INTFACE_ENABLE);
Stefan Roesed1c3b272009-09-09 16:25:29 +0200393 mtsdr (SDR0_PFC0, sdr0_pfc0);
394 mtsdr (SDR0_PFC1, sdr0_pfc1);
wdenk0e6d7982004-03-14 00:07:33 +0000395 } else {
396 sdr0_pfc0 = (sdr0_pfc0 & ~SDR0_PFC0_TRE_MASK) | SDR0_PFC0_TRE_ENABLE;
397 switch (group)
398 {
399 case 0:
400 case 1:
401 case 2:
402 /* CPU trace A */
403 out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
404 FPGA_REG2_EXT_INTFACE_ENABLE);
405 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_EMS;
Stefan Roesed1c3b272009-09-09 16:25:29 +0200406 mtsdr (SDR0_PFC0, sdr0_pfc0);
407 mtsdr (SDR0_PFC1, sdr0_pfc1);
wdenk0e6d7982004-03-14 00:07:33 +0000408 break;
409 case 3:
410 case 4:
411 case 5:
412 case 6:
413 /* CPU trace B - Over EBMI */
414 sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_CTEMS_MASK) | SDR0_PFC1_CTEMS_CPUTRACE;
Stefan Roesed1c3b272009-09-09 16:25:29 +0200415 mtsdr (SDR0_PFC0, sdr0_pfc0);
416 mtsdr (SDR0_PFC1, sdr0_pfc1);
wdenk0e6d7982004-03-14 00:07:33 +0000417 out8(FPGA_REG2, (in8(FPGA_REG2) & ~FPGA_REG2_EXT_INTFACE_MASK) |
418 FPGA_REG2_EXT_INTFACE_DISABLE);
419 break;
420 }
421 }
422
423 /* Initialize the ethernet specific functions in the fpga */
Stefan Roesed1c3b272009-09-09 16:25:29 +0200424 mfsdr(SDR0_PFC1, sdr0_pfc1);
425 mfsdr(SDR0_CUST0, sdr0_cust0);
wdenk0e6d7982004-03-14 00:07:33 +0000426 if ( (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) == 4) &&
427 ((SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII) ||
428 (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_TBI)))
429 {
430 if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
431 {
432 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) |
433 FPGA_REG3_ENET_GROUP7);
434 }
435 else
436 {
437 if (SDR0_CUST0_RGMII2_DECODE(sdr0_cust0) == RGMII_FER_GMII)
438 {
439 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
440 FPGA_REG3_ENET_GROUP7);
441 }
442 else
443 {
444 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
445 FPGA_REG3_ENET_GROUP8);
446 }
447 }
448 }
449 else
450 {
451 if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
452 {
453 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK1) |
454 FPGA_REG3_ENET_ENCODE1(SDR0_PFC1_EPS_DECODE(sdr0_pfc1)));
455 }
456 else
457 {
458 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_ENET_MASK2) |
459 FPGA_REG3_ENET_ENCODE2(SDR0_PFC1_EPS_DECODE(sdr0_pfc1)));
460 }
461 }
462 out8(FPGA_REG4, FPGA_REG4_GPHY_MODE10 |
463 FPGA_REG4_GPHY_MODE100 | FPGA_REG4_GPHY_MODE1000 |
464 FPGA_REG4_GPHY_FRC_DPLX | FPGA_REG4_CONNECT_PHYS);
465
466 /* reset the gigabyte phy if necessary */
467 if (SDR0_PFC1_EPS_DECODE(sdr0_pfc1) >= 3)
468 {
469 if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER1)
470 {
471 out8(FPGA_REG3, in8(FPGA_REG3) & ~FPGA_REG3_GIGABIT_RESET_DISABLE);
472 udelay(10000);
473 out8(FPGA_REG3, in8(FPGA_REG3) | FPGA_REG3_GIGABIT_RESET_DISABLE);
474 }
475 else
476 {
477 out8(FPGA_REG2, in8(FPGA_REG2) & ~FPGA_REG2_GIGABIT_RESET_DISABLE);
478 udelay(10000);
479 out8(FPGA_REG2, in8(FPGA_REG2) | FPGA_REG2_GIGABIT_RESET_DISABLE);
480 }
481 }
482
Stefan Roese57275b62005-11-01 10:08:03 +0100483 /*
484 * new Ocotea with Rev. F (pass 3) chips has SMII PHY reset
485 */
486 if ((in8(FPGA_REG0) & FPGA_REG0_ECLS_MASK) == FPGA_REG0_ECLS_VER2) {
487 out8(FPGA_REG2, in8(FPGA_REG2) & ~FPGA_REG2_SMII_RESET_DISABLE);
488 udelay(10000);
489 out8(FPGA_REG2, in8(FPGA_REG2) | FPGA_REG2_SMII_RESET_DISABLE);
490 }
491
wdenk0e6d7982004-03-14 00:07:33 +0000492 /* Turn off the LED's */
493 out8(FPGA_REG3, (in8(FPGA_REG3) & ~FPGA_REG3_STAT_MASK) |
494 FPGA_REG3_STAT_LED8_DISAB | FPGA_REG3_STAT_LED4_DISAB |
495 FPGA_REG3_STAT_LED2_DISAB | FPGA_REG3_STAT_LED1_DISAB);
496
497 return;
498}
499
500#ifdef CONFIG_POST
501/*
502 * Returns 1 if keys pressed to start the power-on long-running tests
503 * Called from board_init_f().
504 */
505int post_hotkeys_pressed(void)
506{
507
508 return (ctrlc());
509}
510#endif