Merge branch 'next' of ../next
[platform/kernel/u-boot.git] / board / sandburst / metrobox / metrobox.c
1 /*
2  *  Copyright (c) 2005
3  *  Travis B. Sawyer,  Sandburst Corporation, tsawyer@sandburst.com
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 #include <config.h>
24 #include <common.h>
25 #include <command.h>
26 #include "metrobox.h"
27 #include "metrobox_version.h"
28 #include <timestamp.h>
29 #include <asm/processor.h>
30 #include <asm/io.h>
31 #include <spd_sdram.h>
32 #include <i2c.h>
33 #include "../common/ppc440gx_i2c.h"
34 #include "../common/sb_common.h"
35
36 void fpga_init (void);
37
38 METROBOX_BOARD_ID_ST board_id_as[] =
39 {       {"Undefined"},                      /* Not specified */
40         {"2x10Gb"},                         /* 2 ports, 10 GbE */
41         {"20x1Gb"},                         /* 20 ports, 1 GbE */
42         {"Reserved"},                        /* Reserved for future use */
43 };
44
45 /*************************************************************************
46  *  board_early_init_f
47  *
48  *  Setup chip selects, initialize the Opto-FPGA, initialize
49  *  interrupt polarity and triggers.
50  ************************************************************************/
51 int board_early_init_f (void)
52 {
53         ppc440_gpio_regs_t *gpio_regs;
54
55         /* Enable GPIO interrupts */
56         mtsdr(sdr_pfc0, 0x00103E00);
57
58         /* Setup access for LEDs, and system topology info */
59         gpio_regs = (ppc440_gpio_regs_t *)CONFIG_SYS_GPIO_BASE;
60         gpio_regs->open_drain = SBCOMMON_GPIO_SYS_LEDS;
61         gpio_regs->tri_state  = SBCOMMON_GPIO_DBGLEDS;
62
63         /* Turn on all the leds for now */
64         gpio_regs->out = SBCOMMON_GPIO_LEDS;
65
66         /*--------------------------------------------------------------------+
67           | Initialize EBC CONFIG
68           +-------------------------------------------------------------------*/
69         mtebc(xbcfg,
70               EBC_CFG_LE_UNLOCK    | EBC_CFG_PTD_ENABLE |
71               EBC_CFG_RTC_64PERCLK | EBC_CFG_ATC_PREVIOUS |
72               EBC_CFG_DTC_PREVIOUS | EBC_CFG_CTC_PREVIOUS |
73               EBC_CFG_EMC_DEFAULT  | EBC_CFG_PME_DISABLE |
74               EBC_CFG_PR_32);
75
76         /*--------------------------------------------------------------------+
77           | 1/2 MB FLASH. Initialize bank 0 with default values.
78           +-------------------------------------------------------------------*/
79         mtebc(pb0ap,
80               EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
81               EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
82               EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
83               EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
84               EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
85               EBC_BXAP_PEN_DISABLED);
86
87         mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(CONFIG_SYS_FLASH_BASE) |
88               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
89         /*--------------------------------------------------------------------+
90           | 8KB NVRAM/RTC. Initialize bank 1 with default values.
91           +-------------------------------------------------------------------*/
92         mtebc(pb1ap,
93               EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(10) |
94               EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
95               EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
96               EBC_BXAP_WBF_ENCODE(1)| EBC_BXAP_TH_ENCODE(1) |
97               EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
98               EBC_BXAP_PEN_DISABLED);
99
100         mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x48000000) |
101               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
102
103         /*--------------------------------------------------------------------+
104           | Compact Flash, uses 2 Chip Selects (2 & 6)
105           +-------------------------------------------------------------------*/
106         mtebc(pb2ap,
107               EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
108               EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
109               EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
110               EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
111               EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
112               EBC_BXAP_PEN_DISABLED);
113
114         mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(0xF0000000) |
115               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
116
117         /*--------------------------------------------------------------------+
118           | OPTO & OFEM FPGA. Initialize bank 3 with default values.
119           +-------------------------------------------------------------------*/
120         mtebc(pb3ap,
121               EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
122               EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
123               EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
124               EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
125               EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
126
127         mtebc(pb3cr, EBC_BXCR_BAS_ENCODE(0x48200000) |
128               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
129
130         /*--------------------------------------------------------------------+
131           | MAC A for metrobox
132           | MAC A & B for Kamino.  OFEM FPGA decodes the addresses
133           | Initialize bank 4 with default values.
134           +-------------------------------------------------------------------*/
135         mtebc(pb4ap,
136               EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
137               EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
138               EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
139               EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
140               EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
141
142         mtebc(pb4cr, EBC_BXCR_BAS_ENCODE(0x48600000) |
143               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
144
145         /*--------------------------------------------------------------------+
146           | Metrobox MAC B  Initialize bank 5 with default values.
147           | KA REF FPGA  Initialize bank 5 with default values.
148           +-------------------------------------------------------------------*/
149         mtebc(pb5ap,
150               EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
151               EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
152               EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
153               EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
154               EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
155
156         mtebc(pb5cr, EBC_BXCR_BAS_ENCODE(0x48700000) |
157               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
158
159         /*--------------------------------------------------------------------+
160           | Compact Flash, uses 2 Chip Selects (2 & 6)
161           +-------------------------------------------------------------------*/
162         mtebc(pb6ap,
163               EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(8) |
164               EBC_BXAP_BCE_DISABLE  | EBC_BXAP_CSN_ENCODE(1) |
165               EBC_BXAP_OEN_ENCODE(1)| EBC_BXAP_WBN_ENCODE(1) |
166               EBC_BXAP_WBF_ENCODE(0)| EBC_BXAP_TH_ENCODE(1) |
167               EBC_BXAP_RE_DISABLED  | EBC_BXAP_BEM_WRITEONLY |
168               EBC_BXAP_PEN_DISABLED);
169
170         mtebc(pb6cr, EBC_BXCR_BAS_ENCODE(0xF0100000) |
171               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_16BIT);
172
173         /*--------------------------------------------------------------------+
174           | BME-32. Initialize bank 7 with default values.
175           +-------------------------------------------------------------------*/
176         mtebc(pb7ap,
177               EBC_BXAP_RE_ENABLED    | EBC_BXAP_SOR_NONDELAYED |
178               EBC_BXAP_BME_DISABLED  | EBC_BXAP_TWT_ENCODE(3) |
179               EBC_BXAP_TH_ENCODE(1)  | EBC_BXAP_WBF_ENCODE(0) |
180               EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_PEN_DISABLED |
181               EBC_BXAP_OEN_ENCODE(1) | EBC_BXAP_BEM_RW);
182
183         mtebc(pb7cr, EBC_BXCR_BAS_ENCODE(0x48500000) |
184               EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
185
186         /*--------------------------------------------------------------------+
187          * Setup the interrupt controller polarities, triggers, etc.
188          +-------------------------------------------------------------------*/
189         /*
190          * Because of the interrupt handling rework to handle 440GX interrupts
191          * with the common code, we needed to change names of the UIC registers.
192          * Here the new relationship:
193          *
194          * U-Boot name  440GX name
195          * -----------------------
196          * UIC0         UICB0
197          * UIC1         UIC0
198          * UIC2         UIC1
199          * UIC3         UIC2
200          */
201         mtdcr (uic1sr, 0xffffffff);     /* clear all */
202         mtdcr (uic1er, 0x00000000);     /* disable all */
203         mtdcr (uic1cr, 0x00000000);     /* all non- critical */
204         mtdcr (uic1pr, 0xfffffe03);     /* polarity */
205         mtdcr (uic1tr, 0x01c00000);     /* trigger edge vs level */
206         mtdcr (uic1vr, 0x00000001);     /* int31 highest, base=0x000 */
207         mtdcr (uic1sr, 0xffffffff);     /* clear all */
208
209         mtdcr (uic2sr, 0xffffffff);     /* clear all */
210         mtdcr (uic2er, 0x00000000);     /* disable all */
211         mtdcr (uic2cr, 0x00000000);     /* all non-critical */
212         mtdcr (uic2pr, 0xffffc8ff);     /* polarity */
213         mtdcr (uic2tr, 0x00ff0000);     /* trigger edge vs level */
214         mtdcr (uic2vr, 0x00000001);     /* int31 highest, base=0x000 */
215         mtdcr (uic2sr, 0xffffffff);     /* clear all */
216
217         mtdcr (uic3sr, 0xffffffff);     /* clear all */
218         mtdcr (uic3er, 0x00000000);     /* disable all */
219         mtdcr (uic3cr, 0x00000000);     /* all non-critical */
220         mtdcr (uic3pr, 0xffff83ff);     /* polarity */
221         mtdcr (uic3tr, 0x00ff8c0f);     /* trigger edge vs level */
222         mtdcr (uic3vr, 0x00000001);     /* int31 highest, base=0x000 */
223         mtdcr (uic3sr, 0xffffffff);     /* clear all */
224
225         mtdcr (uic0sr, 0xfc000000);     /* clear all */
226         mtdcr (uic0er, 0x00000000);     /* disable all */
227         mtdcr (uic0cr, 0x00000000);     /* all non-critical */
228         mtdcr (uic0pr, 0xfc000000);
229         mtdcr (uic0tr, 0x00000000);
230         mtdcr (uic0vr, 0x00000001);
231
232         fpga_init();
233
234         return 0;
235 }
236
237 /*************************************************************************
238  *  checkboard
239  *
240  *  Dump pertinent info to the console
241  ************************************************************************/
242 int checkboard (void)
243 {
244         sys_info_t sysinfo;
245         unsigned char brd_rev, brd_id;
246         unsigned short sernum;
247         unsigned char opto_rev, opto_id;
248         OPTO_FPGA_REGS_ST *opto_ps;
249
250         opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;
251
252         opto_rev = (unsigned char)((opto_ps->revision_ul &
253                                     SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
254                                    >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
255
256         opto_id = (unsigned char)((opto_ps->revision_ul &
257                                    SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_MASK)
258                                   >> SAND_HAL_XC_XCVR_CNTL_REVISION_IDENTIFICATION_SHIFT);
259
260         brd_rev = (unsigned char)((opto_ps->boardinfo_ul &
261                                    SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_MASK)
262                                   >> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_REV_SHIFT);
263
264         brd_id = (unsigned char)((opto_ps->boardinfo_ul &
265                                   SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_MASK)
266                                  >> SAND_HAL_XC_XCVR_CNTL_BRD_INFO_BRD_ID_SHIFT);
267
268         get_sys_info (&sysinfo);
269
270         sernum = sbcommon_get_serial_number();
271         printf ("Board: Sandburst Corporation MetroBox Serial Number: %d\n", sernum);
272         printf ("%s\n", METROBOX_U_BOOT_REL_STR);
273
274         printf ("Built %s %s by %s\n", U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
275         if (sbcommon_get_master()) {
276                 printf("Slot 0 - Master\nSlave board");
277                 if (sbcommon_secondary_present())
278                         printf(" present\n");
279                 else
280                         printf(" not detected\n");
281         } else {
282                 printf("Slot 1 - Slave\n\n");
283         }
284
285         printf ("OptoFPGA ID:\t0x%02X\tRev:  0x%02X\n", opto_id, opto_rev);
286         printf ("Board Rev:\t0x%02X\tID:  %s\n", brd_rev, board_id_as[brd_id].name);
287
288         /* Fix the ack in the bme 32 */
289         udelay(5000);
290         out32(CONFIG_SYS_BME32_BASE + 0x0000000C, 0x00000001);
291         asm("eieio");
292
293
294         return (0);
295 }
296
297 /*************************************************************************
298  *  misc_init_f
299  *
300  *  Initialize I2C bus one to gain access to the fans
301  ************************************************************************/
302 int misc_init_f (void)
303 {
304         /* Turn on i2c bus 1 */
305         puts ("I2C1:  ");
306         i2c1_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
307         puts ("ready\n");
308
309         /* Turn on fans */
310         sbcommon_fans();
311
312         return (0);
313 }
314
315 /*************************************************************************
316  *  misc_init_r
317  *
318  *  Do nothing.
319  ************************************************************************/
320 int misc_init_r (void)
321 {
322         unsigned short sernum;
323         char envstr[255];
324         uchar enetaddr[6];
325         unsigned char opto_rev;
326         OPTO_FPGA_REGS_ST *opto_ps;
327
328         opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;
329
330         if(NULL != getenv("secondserial")) {
331             puts("secondserial is set, switching to second serial port\n");
332             setenv("stderr", "serial1");
333             setenv("stdout", "serial1");
334             setenv("stdin", "serial1");
335         }
336
337         setenv("ubrelver", METROBOX_U_BOOT_REL_STR);
338
339         memset(envstr, 0, 255);
340         sprintf (envstr, "Built %s %s by %s",
341                  U_BOOT_DATE, U_BOOT_TIME, BUILDUSER);
342         setenv("bldstr", envstr);
343         saveenv();
344
345         if( getenv("autorecover")) {
346                 setenv("autorecover", NULL);
347                 saveenv();
348                 sernum = sbcommon_get_serial_number();
349
350                 printf("\nSetting up environment for automatic filesystem recovery\n");
351                 /*
352                  * Setup default bootargs
353                  */
354                 memset(envstr, 0, 255);
355                 sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
356                         "rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
357                         sernum, sernum);
358                 setenv("bootargs", envstr);
359
360                 /*
361                  * Setup Default boot command
362                  */
363                 setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
364                        "fatload ide 0 8100000 pramdisk;"
365                        "bootm 8000000 8100000");
366
367                 printf("Done.  Please type allow the system to continue to boot\n");
368         }
369
370         if( getenv("fakeled")) {
371                 setenv("bootdelay", "-1");
372                 saveenv();
373                 printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n");
374                 opto_rev = (unsigned char)((opto_ps->revision_ul &
375                                             SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
376                                            >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
377
378                 if(0x12 <= opto_rev) {
379                         opto_ps->control_ul &= ~ SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_MASK;
380                 }
381         }
382
383 #ifdef CONFIG_HAS_ETH0
384         if (!eth_getenv_enetaddr("ethaddr", enetaddr)) {
385                 board_get_enetaddr(0, enetaddr);
386                 eth_putenv_enetaddr("ethaddr", enetaddr);
387         }
388 #endif
389
390 #ifdef CONFIG_HAS_ETH1
391         if (!eth_getenv_enetaddr("eth1addr", enetaddr)) {
392                 board_get_enetaddr(1, enetaddr);
393                 eth_putenv_enetaddr("eth1addr", enetaddr);
394         }
395 #endif
396
397 #ifdef CONFIG_HAS_ETH2
398         if (!eth_getenv_enetaddr("eth2addr", enetaddr)) {
399                 board_get_enetaddr(2, enetaddr);
400                 eth_putenv_enetaddr("eth2addr", enetaddr);
401         }
402 #endif
403
404 #ifdef CONFIG_HAS_ETH3
405         if (!eth_getenv_enetaddr("eth3addr", enetaddr)) {
406                 board_get_enetaddr(3, enetaddr);
407                 eth_putenv_enetaddr("eth3addr", enetaddr);
408         }
409 #endif
410
411         return (0);
412 }
413
414 /*************************************************************************
415  *  ide_set_reset
416  ************************************************************************/
417 #ifdef CONFIG_IDE_RESET
418 void ide_set_reset(int on)
419 {
420         OPTO_FPGA_REGS_ST *opto_ps;
421         opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;
422
423         if (on) {               /* assert RESET */
424             opto_ps->reset_ul &= ~SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
425         } else {                /* release RESET */
426             opto_ps->reset_ul |= SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
427         }
428 }
429 #endif /* CONFIG_IDE_RESET */
430
431 /*************************************************************************
432  *  fpga_init
433  ************************************************************************/
434 void fpga_init(void)
435 {
436         OPTO_FPGA_REGS_ST *opto_ps;
437         unsigned char opto_rev;
438         unsigned long tmp;
439
440         /* Ensure we have power all around */
441         udelay(500);
442
443         /*
444          * Take appropriate hw bits out of reset
445          */
446         opto_ps = (OPTO_FPGA_REGS_ST *)CONFIG_SYS_FPGA_BASE;
447
448         tmp =
449             SAND_HAL_XC_XCVR_CNTL_RESET_MAC1_RESET_N_MASK |
450             SAND_HAL_XC_XCVR_CNTL_RESET_MAC0_RESET_N_MASK |
451             SAND_HAL_XC_XCVR_CNTL_RESET_BME_RESET_N_MASK |
452             SAND_HAL_XC_XCVR_CNTL_RESET_ACE_RESET_N_MASK |
453             SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK |
454             SAND_HAL_XC_XCVR_CNTL_RESET_QE_A_RESET_N_MASK |
455             SAND_HAL_XC_XCVR_CNTL_RESET_IFE_A_RESET_N_MASK |
456             SAND_HAL_XC_XCVR_CNTL_RESET_EFE_A_RESET_N_MASK |
457             SAND_HAL_XC_XCVR_CNTL_RESET_QE_B_RESET_N_MASK |
458             SAND_HAL_XC_XCVR_CNTL_RESET_IFE_B_RESET_N_MASK |
459             SAND_HAL_XC_XCVR_CNTL_RESET_EFE_B_RESET_N_MASK |
460             SAND_HAL_XC_XCVR_CNTL_RESET_LOCK1_RESET_N_MASK |
461             SAND_HAL_XC_XCVR_CNTL_RESET_LOCK0_RESET_N_MASK |
462             SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX1_RESET_N_MASK |
463             SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX0_RESET_N_MASK |
464             SAND_HAL_XC_XCVR_CNTL_RESET_PHY0_RESET_N_MASK |
465             SAND_HAL_XC_XCVR_CNTL_RESET_PHY1_RESET_N_MASK |
466             SAND_HAL_XC_XCVR_CNTL_RESET_SLAVE_RESET_N_MASK;
467         opto_ps->reset_ul = tmp;
468         /*
469          * Turn on the 'Slow Blink' for the System Error Led.
470          * Ensure FPGA rev is up to at least rev 0x12
471          */
472         opto_rev = (unsigned char)((opto_ps->revision_ul &
473                                     SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
474                                    >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
475         if(0x12 <= opto_rev) {
476             opto_ps->control_ul |= 1 << SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_SHIFT;
477         }
478
479         asm("eieio");
480
481         return;
482 }
483
484 int metroboxSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
485 {
486         unsigned short sernum;
487         char envstr[255];
488
489         sernum = sbcommon_get_serial_number();
490
491         memset(envstr, 0, 255);
492         /*
493          * Setup our ip address
494          */
495         sprintf(envstr, "10.100.60.%d", sernum);
496
497         setenv("ipaddr", envstr);
498         /*
499          * Setup the host ip address
500          */
501         setenv("serverip", "10.100.17.10");
502
503         /*
504          * Setup default bootargs
505          */
506         memset(envstr, 0, 255);
507
508         sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs "
509                 "rw nfsroot=10.100.17.10:/home/metrobox/mbc%d "
510                 "nfsaddrs=10.100.60.%d:10.100.17.10:10.100.1.1"
511                 ":255.255.0.0:metrobox%d.sandburst.com:eth0:none idebus=33",
512                 sernum, sernum, sernum);
513
514         setenv("bootargs_nfs", envstr);
515         setenv("bootargs", envstr);
516
517         /*
518          * Setup CF bootargs
519          */
520         memset(envstr, 0, 255);
521         sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 "
522                 "rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
523                 sernum, sernum);
524
525         setenv("bootargs_cf", envstr);
526
527         /*
528          * Setup Default boot command
529          */
530         setenv("bootcmd_tftp", "tftp 8000000 pImage.metrobox;bootm 8000000");
531         setenv("bootcmd", "tftp 8000000 pImage.metrobox;bootm 8000000");
532
533         /*
534          * Setup compact flash boot command
535          */
536         setenv("bootcmd_cf", "fatload ide 0 8000000 pimage.metrobox;bootm 8000000");
537
538         saveenv();
539
540
541         return(1);
542 }
543
544 int metroboxRecover(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
545 {
546         unsigned short sernum;
547         char envstr[255];
548
549         sernum = sbcommon_get_serial_number();
550
551         printf("\nSetting up environment for filesystem recovery\n");
552         /*
553          * Setup default bootargs
554          */
555         memset(envstr, 0, 255);
556         sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
557                 "rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none",
558                 sernum, sernum);
559
560         setenv("bootargs", envstr);
561
562         /*
563          * Setup Default boot command
564          */
565         setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
566                "fatload ide 0 8100000 pramdisk;"
567                "bootm 8000000 8100000");
568
569         printf("Done.  Please type boot<cr>.\nWhen the kernel has booted"
570                " please type fsrecover.sh<cr>\n");
571
572         return(1);
573 }
574
575 U_BOOT_CMD(mbsetup, 1, 1, metroboxSetupVars,
576            "Set environment to factory defaults", NULL);
577
578 U_BOOT_CMD(mbrecover, 1, 1, metroboxRecover,
579            "Set environment to allow for fs recovery", NULL);