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wdenkc6097192002-11-03 00:24:07 +00001/*
Wolfgang Denk7a132ae2006-01-29 19:12:41 +01002 * (C) Copyright 2002-2006
wdenkc6097192002-11-03 00:24:07 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2002
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
Wolfgang Denk7a132ae2006-01-29 19:12:41 +010028/*
29 * To match the U-Boot user interface on ARM platforms to the U-Boot
30 * standard (as on PPC platforms), some messages with debug character
31 * are removed from the default U-Boot build.
32 *
33 * Define DEBUG here if you want additional info as shown below
34 * printed upon startup:
35 *
36 * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274
37 * IRQ Stack: 00ebff7c
38 * FIQ Stack: 00ebef7c
39 */
40
wdenkc6097192002-11-03 00:24:07 +000041#include <common.h>
42#include <command.h>
wdenk56958612003-06-22 17:18:28 +000043#include <malloc.h>
wdenkc6097192002-11-03 00:24:07 +000044#include <devices.h>
Peter Tyser62948502008-11-03 09:30:59 -060045#include <timestamp.h>
wdenkc6097192002-11-03 00:24:07 +000046#include <version.h>
47#include <net.h>
Marcel Ziswilerb5a75412008-05-01 09:05:26 +020048#include <serial.h>
Scott Woode898dfd2008-05-22 10:49:46 -050049#include <nand.h>
50#include <onenand_uboot.h>
wdenkc6097192002-11-03 00:24:07 +000051
wdenk3c711762004-06-09 13:37:52 +000052#ifdef CONFIG_DRIVER_SMC91111
Jean-Christophe PLAGNIOL-VILLARDed0ea1f2007-11-21 21:19:24 +010053#include "../drivers/net/smc91111.h"
wdenk3c711762004-06-09 13:37:52 +000054#endif
55#ifdef CONFIG_DRIVER_LAN91C96
Jean-Christophe PLAGNIOL-VILLARDed0ea1f2007-11-21 21:19:24 +010056#include "../drivers/net/lan91c96.h"
wdenk3c711762004-06-09 13:37:52 +000057#endif
58
Markus Klotzbücheraedd96a2006-02-10 11:25:41 +010059DECLARE_GLOBAL_DATA_PTR;
60
wdenkb9a83a92003-05-30 12:48:29 +000061ulong monitor_flash_len;
62
wdenk381669a2003-06-16 23:50:08 +000063#ifdef CONFIG_HAS_DATAFLASH
64extern int AT91F_DataflashInit(void);
65extern void dataflash_print_info(void);
66#endif
67
wdenk7539dea2003-06-19 23:01:32 +000068#ifndef CONFIG_IDENT_STRING
69#define CONFIG_IDENT_STRING ""
70#endif
71
wdenkc6097192002-11-03 00:24:07 +000072const char version_string[] =
Peter Tyser62948502008-11-03 09:30:59 -060073 U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
wdenkc6097192002-11-03 00:24:07 +000074
75#ifdef CONFIG_DRIVER_CS8900
Mike Frysinger7a2043d2009-02-11 19:39:55 -050076extern void cs8900_get_enetaddr (void);
wdenkc6097192002-11-03 00:24:07 +000077#endif
78
wdenk6b1aa8d2004-06-06 22:11:41 +000079#ifdef CONFIG_DRIVER_RTL8019
wdenk5d5317e2003-12-07 00:46:27 +000080extern void rtl8019_get_enetaddr (uchar * addr);
81#endif
82
Hebbarb7d11642007-12-18 16:00:54 -080083#if defined(CONFIG_HARD_I2C) || \
84 defined(CONFIG_SOFT_I2C)
85#include <i2c.h>
86#endif
87
wdenkc6097192002-11-03 00:24:07 +000088/*
89 * Begin and End of memory area for malloc(), and current "brk"
90 */
91static ulong mem_malloc_start = 0;
92static ulong mem_malloc_end = 0;
93static ulong mem_malloc_brk = 0;
94
wdenk9dd2b882002-12-03 21:28:10 +000095static
wdenk9dd2b882002-12-03 21:28:10 +000096void mem_malloc_init (ulong dest_addr)
wdenkc6097192002-11-03 00:24:07 +000097{
98 mem_malloc_start = dest_addr;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020099 mem_malloc_end = dest_addr + CONFIG_SYS_MALLOC_LEN;
wdenkc6097192002-11-03 00:24:07 +0000100 mem_malloc_brk = mem_malloc_start;
101
102 memset ((void *) mem_malloc_start, 0,
103 mem_malloc_end - mem_malloc_start);
104}
105
106void *sbrk (ptrdiff_t increment)
107{
108 ulong old = mem_malloc_brk;
109 ulong new = old + increment;
110
111 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
112 return (NULL);
113 }
114 mem_malloc_brk = new;
115
116 return ((void *) old);
117}
118
Stelian Popf6f86652008-05-09 21:57:18 +0200119
wdenkc6097192002-11-03 00:24:07 +0000120/************************************************************************
Peter Pearse2c261ca2007-09-04 16:18:38 +0100121 * Coloured LED functionality
122 ************************************************************************
123 * May be supplied by boards if desired
124 */
125void inline __coloured_LED_init (void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200126void inline coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100127void inline __red_LED_on (void) {}
128void inline red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
129void inline __red_LED_off(void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200130void inline red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100131void inline __green_LED_on(void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200132void inline green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100133void inline __green_LED_off(void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200134void inline green_LED_off(void)__attribute__((weak, alias("__green_LED_off")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100135void inline __yellow_LED_on(void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200136void inline yellow_LED_on(void)__attribute__((weak, alias("__yellow_LED_on")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100137void inline __yellow_LED_off(void) {}
Wolfgang Denkebc15912007-10-13 21:15:39 +0200138void inline yellow_LED_off(void)__attribute__((weak, alias("__yellow_LED_off")));
Peter Pearse2c261ca2007-09-04 16:18:38 +0100139
140/************************************************************************
wdenkc6097192002-11-03 00:24:07 +0000141 * Init Utilities *
142 ************************************************************************
143 * Some of this code should be moved into the core functions,
144 * or dropped completely,
145 * but let's get it working (again) first...
146 */
147
Jean-Christophe PLAGNIOL-VILLARDb8023102009-02-22 15:49:28 +0100148#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
149#define CONFIG_BAUDRATE 115200
150#endif
wdenkc6097192002-11-03 00:24:07 +0000151static int init_baudrate (void)
152{
Wolfgang Denk7fa6e902006-03-11 22:53:33 +0100153 char tmp[64]; /* long enough for environment variables */
wdenkc6097192002-11-03 00:24:07 +0000154 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
wdenk56958612003-06-22 17:18:28 +0000155 gd->bd->bi_baudrate = gd->baudrate = (i > 0)
wdenkc6097192002-11-03 00:24:07 +0000156 ? (int) simple_strtoul (tmp, NULL, 10)
157 : CONFIG_BAUDRATE;
158
159 return (0);
160}
161
162static int display_banner (void)
163{
wdenkc6097192002-11-03 00:24:07 +0000164 printf ("\n\n%s\n\n", version_string);
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100165 debug ("U-Boot code: %08lX -> %08lX BSS: -> %08lX\n",
166 _armboot_start, _bss_start, _bss_end);
wdenkc6097192002-11-03 00:24:07 +0000167#ifdef CONFIG_MODEM_SUPPORT
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100168 debug ("Modem Support enabled\n");
wdenkc6097192002-11-03 00:24:07 +0000169#endif
170#ifdef CONFIG_USE_IRQ
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100171 debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
172 debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
wdenkc6097192002-11-03 00:24:07 +0000173#endif
wdenk808532a2003-10-10 10:05:42 +0000174
wdenkc6097192002-11-03 00:24:07 +0000175 return (0);
176}
177
178/*
179 * WARNING: this code looks "cleaner" than the PowerPC version, but
180 * has the disadvantage that you either get nothing, or everything.
181 * On PowerPC, you might see "DRAM: " before the system hangs - which
182 * gives a simple yet clear indication which part of the
183 * initialization if failing.
184 */
185static int display_dram_config (void)
186{
wdenkc6097192002-11-03 00:24:07 +0000187 int i;
188
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100189#ifdef DEBUG
wdenkc0aa5c52003-12-06 19:49:23 +0000190 puts ("RAM Configuration:\n");
wdenkc6097192002-11-03 00:24:07 +0000191
192 for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
193 printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
194 print_size (gd->bd->bi_dram[i].size, "\n");
195 }
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100196#else
197 ulong size = 0;
198
199 for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
200 size += gd->bd->bi_dram[i].size;
201 }
202 puts("DRAM: ");
203 print_size(size, "\n");
204#endif
wdenkc6097192002-11-03 00:24:07 +0000205
206 return (0);
207}
208
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200209#ifndef CONFIG_SYS_NO_FLASH
wdenkc6097192002-11-03 00:24:07 +0000210static void display_flash_config (ulong size)
211{
212 puts ("Flash: ");
213 print_size (size, "\n");
214}
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200215#endif /* CONFIG_SYS_NO_FLASH */
wdenkc6097192002-11-03 00:24:07 +0000216
Hebbarb7d11642007-12-18 16:00:54 -0800217#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
218static int init_func_i2c (void)
219{
220 puts ("I2C: ");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200221 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
Hebbarb7d11642007-12-18 16:00:54 -0800222 puts ("ready\n");
223 return (0);
224}
225#endif
226
Jean-Christophe PLAGNIOL-VILLARD86588ea2009-01-31 09:04:58 +0100227#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
228#include <pci.h>
229static int arm_pci_init(void)
230{
231 pci_init();
232 return 0;
233}
234#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
235
wdenkc6097192002-11-03 00:24:07 +0000236/*
wdenkc0aa5c52003-12-06 19:49:23 +0000237 * Breathe some life into the board...
wdenkc6097192002-11-03 00:24:07 +0000238 *
wdenkb6b2f0e2003-09-17 22:48:07 +0000239 * Initialize a serial port as console, and carry out some hardware
wdenkc6097192002-11-03 00:24:07 +0000240 * tests.
241 *
242 * The first part of initialization is running from Flash memory;
243 * its main purpose is to initialize the RAM so that we
244 * can relocate the monitor code to RAM.
245 */
246
247/*
248 * All attempts to come up with a "common" initialization sequence
249 * that works for all boards and architectures failed: some of the
250 * requirements are just _too_ different. To get rid of the resulting
wdenk927034e2004-02-08 19:38:38 +0000251 * mess of board dependent #ifdef'ed code we now make the whole
wdenkc6097192002-11-03 00:24:07 +0000252 * initialization sequence configurable to the user.
253 *
254 * The requirements for any new initalization function is simple: it
255 * receives a pointer to the "global data" structure as it's only
256 * argument, and returns an integer return code, where 0 means
257 * "continue" and != 0 means "fatal error, hang the system".
258 */
259typedef int (init_fnc_t) (void);
260
Wolfgang Denkafd16e22009-04-26 20:39:26 +0200261int print_cpuinfo (void);
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100262
wdenkc6097192002-11-03 00:24:07 +0000263init_fnc_t *init_sequence[] = {
264 cpu_init, /* basic cpu dependent setup */
Jean-Christophe PLAGNIOL-VILLARD23164f12009-04-16 21:30:44 +0200265#if defined(CONFIG_ARCH_CPU_INIT)
266 arch_cpu_init, /* basic arch cpu dependent setup */
267#endif
wdenkc6097192002-11-03 00:24:07 +0000268 board_init, /* basic board dependent setup */
269 interrupt_init, /* set up exceptions */
270 env_init, /* initialize environment */
271 init_baudrate, /* initialze baudrate settings */
272 serial_init, /* serial communications setup */
wdenk56958612003-06-22 17:18:28 +0000273 console_init_f, /* stage 1 init of console */
wdenk699b13a2002-11-03 18:03:52 +0000274 display_banner, /* say that we are here */
Wolfgang Denk7a132ae2006-01-29 19:12:41 +0100275#if defined(CONFIG_DISPLAY_CPUINFO)
276 print_cpuinfo, /* display cpu info (and speed) */
277#endif
278#if defined(CONFIG_DISPLAY_BOARDINFO)
279 checkboard, /* display board info */
280#endif
Hebbarb7d11642007-12-18 16:00:54 -0800281#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
282 init_func_i2c,
283#endif
wdenkc6097192002-11-03 00:24:07 +0000284 dram_init, /* configure available RAM banks */
Jean-Christophe PLAGNIOL-VILLARD86588ea2009-01-31 09:04:58 +0100285#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
286 arm_pci_init,
287#endif
wdenkc6097192002-11-03 00:24:07 +0000288 display_dram_config,
wdenkc6097192002-11-03 00:24:07 +0000289 NULL,
290};
291
292void start_armboot (void)
293{
wdenkc6097192002-11-03 00:24:07 +0000294 init_fnc_t **init_fnc_ptr;
wdenkb02744a2003-04-05 00:53:31 +0000295 char *s;
wdenk361f4a22004-07-11 18:10:30 +0000296#if defined(CONFIG_VFD) || defined(CONFIG_LCD)
wdenkc6097192002-11-03 00:24:07 +0000297 unsigned long addr;
298#endif
299
300 /* Pointer is writable since we allocated a register for it */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200301 gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t));
wdenk3337af42004-07-01 20:28:03 +0000302 /* compiler optimization barrier needed for GCC >= 3.4 */
303 __asm__ __volatile__("": : :"memory");
304
wdenkc0aa5c52003-12-06 19:49:23 +0000305 memset ((void*)gd, 0, sizeof (gd_t));
306 gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
wdenkc6097192002-11-03 00:24:07 +0000307 memset (gd->bd, 0, sizeof (bd_t));
308
gnusercne89dc942008-10-08 18:58:58 +0200309 gd->flags |= GD_FLG_RELOC;
310
wdenk927034e2004-02-08 19:38:38 +0000311 monitor_flash_len = _bss_start - _armboot_start;
wdenkb9a83a92003-05-30 12:48:29 +0000312
wdenkc6097192002-11-03 00:24:07 +0000313 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
314 if ((*init_fnc_ptr)() != 0) {
315 hang ();
316 }
317 }
318
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200319#ifndef CONFIG_SYS_NO_FLASH
wdenkc6097192002-11-03 00:24:07 +0000320 /* configure available FLASH banks */
Guennadi Liakhovetskiac94af42009-02-06 10:37:45 +0100321 display_flash_config (flash_init ());
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200322#endif /* CONFIG_SYS_NO_FLASH */
wdenkc6097192002-11-03 00:24:07 +0000323
324#ifdef CONFIG_VFD
wdenkc0aa5c52003-12-06 19:49:23 +0000325# ifndef PAGE_SIZE
326# define PAGE_SIZE 4096
327# endif
wdenkc6097192002-11-03 00:24:07 +0000328 /*
329 * reserve memory for VFD display (always full pages)
330 */
wdenk361f4a22004-07-11 18:10:30 +0000331 /* bss_end is defined in the board-specific linker script */
332 addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
Guennadi Liakhovetskiac94af42009-02-06 10:37:45 +0100333 vfd_setmem (addr);
wdenkc6097192002-11-03 00:24:07 +0000334 gd->fb_base = addr;
wdenkc6097192002-11-03 00:24:07 +0000335#endif /* CONFIG_VFD */
336
wdenk361f4a22004-07-11 18:10:30 +0000337#ifdef CONFIG_LCD
Stelian Popf6f86652008-05-09 21:57:18 +0200338 /* board init may have inited fb_base */
339 if (!gd->fb_base) {
340# ifndef PAGE_SIZE
341# define PAGE_SIZE 4096
342# endif
343 /*
344 * reserve memory for LCD display (always full pages)
345 */
346 /* bss_end is defined in the board-specific linker script */
347 addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
Guennadi Liakhovetskiac94af42009-02-06 10:37:45 +0100348 lcd_setmem (addr);
Stelian Popf6f86652008-05-09 21:57:18 +0200349 gd->fb_base = addr;
350 }
wdenk361f4a22004-07-11 18:10:30 +0000351#endif /* CONFIG_LCD */
352
wdenkc0aa5c52003-12-06 19:49:23 +0000353 /* armboot_start is defined in the board-specific linker script */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200354 mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN);
wdenkc0aa5c52003-12-06 19:49:23 +0000355
Jon Loeliger12077972007-07-09 18:05:38 -0500356#if defined(CONFIG_CMD_NAND)
Markus Klotzbuecherb6437322006-04-25 17:00:33 +0200357 puts ("NAND: ");
wdenkc8434db2003-03-26 06:55:25 +0000358 nand_init(); /* go init the NAND */
359#endif
360
Kyungmin Parkaf3d11c2007-09-10 17:15:14 +0900361#if defined(CONFIG_CMD_ONENAND)
362 onenand_init();
363#endif
364
wdenk381669a2003-06-16 23:50:08 +0000365#ifdef CONFIG_HAS_DATAFLASH
366 AT91F_DataflashInit();
367 dataflash_print_info();
368#endif
369
wdenk4fc95692003-02-28 00:49:47 +0000370 /* initialize environment */
371 env_relocate ();
372
wdenkc6097192002-11-03 00:24:07 +0000373#ifdef CONFIG_VFD
374 /* must do this after the framebuffer is allocated */
375 drv_vfd_init();
wdenkc0aa5c52003-12-06 19:49:23 +0000376#endif /* CONFIG_VFD */
wdenkc6097192002-11-03 00:24:07 +0000377
stefano babic5ab4f032007-08-30 22:57:04 +0200378#ifdef CONFIG_SERIAL_MULTI
379 serial_initialize();
380#endif
381
wdenkc6097192002-11-03 00:24:07 +0000382 /* IP Address */
wdenkc0aa5c52003-12-06 19:49:23 +0000383 gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
wdenkc6097192002-11-03 00:24:07 +0000384
wdenkf6a6ac12003-09-17 15:10:32 +0000385 devices_init (); /* get the devices list going. */
wdenk56958612003-06-22 17:18:28 +0000386
wdenk874ac262003-07-24 23:38:38 +0000387 jumptable_init ();
wdenk56958612003-06-22 17:18:28 +0000388
Rafal Jaworowski9d9689f2009-01-23 13:27:16 +0100389#if defined(CONFIG_API)
390 /* Initialize API */
391 api_init ();
392#endif
393
wdenk56958612003-06-22 17:18:28 +0000394 console_init_r (); /* fully init console as a device */
395
wdenkc6097192002-11-03 00:24:07 +0000396#if defined(CONFIG_MISC_INIT_R)
397 /* miscellaneous platform dependent initialisations */
398 misc_init_r ();
399#endif
400
401 /* enable exceptions */
402 enable_interrupts ();
403
wdenkc0aa5c52003-12-06 19:49:23 +0000404 /* Perform network card initialisation if necessary */
Sergey Kubushyne8f39122007-08-10 20:26:18 +0200405#ifdef CONFIG_DRIVER_TI_EMAC
Mike Frysinger7a2043d2009-02-11 19:39:55 -0500406 /* XXX: this needs to be moved to board init */
Sandeep Paulraj4b26f052008-08-31 00:39:46 +0200407extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
Sergey Kubushyne8f39122007-08-10 20:26:18 +0200408 if (getenv ("ethaddr")) {
Mike Frysinger7a2043d2009-02-11 19:39:55 -0500409 uchar enetaddr[6];
410 eth_getenv_enetaddr("ethaddr", enetaddr);
411 davinci_eth_set_mac_addr(enetaddr);
Sergey Kubushyne8f39122007-08-10 20:26:18 +0200412 }
413#endif
414
wdenkc6097192002-11-03 00:24:07 +0000415#ifdef CONFIG_DRIVER_CS8900
Mike Frysinger7a2043d2009-02-11 19:39:55 -0500416 /* XXX: this needs to be moved to board init */
417 cs8900_get_enetaddr ();
wdenkc6097192002-11-03 00:24:07 +0000418#endif
419
wdenk3c711762004-06-09 13:37:52 +0000420#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
Mike Frysinger7a2043d2009-02-11 19:39:55 -0500421 /* XXX: this needs to be moved to board init */
wdenkaa603362003-05-12 21:50:16 +0000422 if (getenv ("ethaddr")) {
Mike Frysinger7a2043d2009-02-11 19:39:55 -0500423 uchar enetaddr[6];
424 eth_getenv_enetaddr("ethaddr", enetaddr);
425 smc_set_mac_addr(enetaddr);
wdenkaa603362003-05-12 21:50:16 +0000426 }
wdenk3c711762004-06-09 13:37:52 +0000427#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
wdenkaa603362003-05-12 21:50:16 +0000428
wdenkb02744a2003-04-05 00:53:31 +0000429 /* Initialize from environment */
430 if ((s = getenv ("loadaddr")) != NULL) {
431 load_addr = simple_strtoul (s, NULL, 16);
432 }
Jon Loeliger12077972007-07-09 18:05:38 -0500433#if defined(CONFIG_CMD_NET)
wdenkb02744a2003-04-05 00:53:31 +0000434 if ((s = getenv ("bootfile")) != NULL) {
435 copy_filename (BootFile, s, sizeof (BootFile));
436 }
Jon Loeliger1670a5b2007-07-10 11:19:50 -0500437#endif
wdenkb02744a2003-04-05 00:53:31 +0000438
wdenkda55c6e2004-01-20 23:12:12 +0000439#ifdef BOARD_LATE_INIT
440 board_late_init ();
wdenkc6097192002-11-03 00:24:07 +0000441#endif
Jon Loeliger12077972007-07-09 18:05:38 -0500442#if defined(CONFIG_CMD_NET)
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200443#if defined(CONFIG_NET_MULTI)
wdenk26c58432005-01-09 17:12:27 +0000444 puts ("Net: ");
Marian Balakowiczaab8c492005-10-28 22:30:33 +0200445#endif
wdenk26c58432005-01-09 17:12:27 +0000446 eth_initialize(gd->bd);
Jean-Christophe PLAGNIOL-VILLARD6beda0c2007-12-11 10:53:12 +0100447#if defined(CONFIG_RESET_PHY_R)
448 debug ("Reset Ethernet PHY\n");
449 reset_phy();
450#endif
wdenk26c58432005-01-09 17:12:27 +0000451#endif
wdenkc6097192002-11-03 00:24:07 +0000452 /* main_loop() can return to retry autoboot, if so just run it again. */
453 for (;;) {
454 main_loop ();
455 }
456
457 /* NOTREACHED - no way out of command loop except booting */
458}
459
460void hang (void)
461{
462 puts ("### ERROR ### Please RESET the board ###\n");
463 for (;;);
464}
465
466#ifdef CONFIG_MODEM_SUPPORT
Wolfgang Denk10e4f542006-03-11 23:07:09 +0100467static inline void mdm_readline(char *buf, int bufsiz);
468
wdenkc6097192002-11-03 00:24:07 +0000469/* called from main loop (common/main.c) */
470extern void dbg(const char *fmt, ...);
471int mdm_init (void)
472{
473 char env_str[16];
474 char *init_str;
475 int i;
476 extern char console_buffer[];
wdenkc6097192002-11-03 00:24:07 +0000477 extern void enable_putc(void);
478 extern int hwflow_onoff(int);
479
480 enable_putc(); /* enable serial_putc() */
481
482#ifdef CONFIG_HWFLOW
483 init_str = getenv("mdm_flow_control");
484 if (init_str && (strcmp(init_str, "rts/cts") == 0))
485 hwflow_onoff (1);
486 else
487 hwflow_onoff(-1);
488#endif
489
490 for (i = 1;;i++) {
491 sprintf(env_str, "mdm_init%d", i);
492 if ((init_str = getenv(env_str)) != NULL) {
493 serial_puts(init_str);
494 serial_puts("\n");
495 for(;;) {
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200496 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
wdenkc6097192002-11-03 00:24:07 +0000497 dbg("ini%d: [%s]", i, console_buffer);
498
499 if ((strcmp(console_buffer, "OK") == 0) ||
500 (strcmp(console_buffer, "ERROR") == 0)) {
501 dbg("ini%d: cmd done", i);
502 break;
503 } else /* in case we are originating call ... */
504 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
505 dbg("ini%d: connect", i);
506 return 0;
507 }
508 }
509 } else
510 break; /* no init string - stop modem init */
511
512 udelay(100000);
513 }
514
515 udelay(100000);
516
517 /* final stage - wait for connect */
518 for(;i > 1;) { /* if 'i' > 1 - wait for connection
519 message from modem */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200520 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
wdenkc6097192002-11-03 00:24:07 +0000521 dbg("ini_f: [%s]", console_buffer);
522 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
523 dbg("ini_f: connected");
524 return 0;
525 }
526 }
527
528 return 0;
529}
530
531/* 'inline' - We have to do it fast */
532static inline void mdm_readline(char *buf, int bufsiz)
533{
534 char c;
535 char *p;
536 int n;
537
538 n = 0;
539 p = buf;
540 for(;;) {
541 c = serial_getc();
542
543 /* dbg("(%c)", c); */
544
545 switch(c) {
546 case '\r':
547 break;
548 case '\n':
549 *p = '\0';
550 return;
551
552 default:
553 if(n++ > bufsiz) {
554 *p = '\0';
555 return; /* sanity check */
556 }
557 *p = c;
558 p++;
559 break;
560 }
561 }
562}
563#endif /* CONFIG_MODEM_SUPPORT */