upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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1276 lines
30 KiB
1276 lines
30 KiB
/*
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* (C) Copyright 2000-2006
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <malloc.h>
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#include <devices.h>
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#ifdef CONFIG_8xx
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#include <mpc8xx.h>
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#endif
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#ifdef CONFIG_5xx
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#include <mpc5xx.h>
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#endif
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#ifdef CONFIG_MPC5xxx
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#include <mpc5xxx.h>
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#endif
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#if defined(CONFIG_CMD_IDE)
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#include <ide.h>
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#endif
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#if defined(CONFIG_CMD_SCSI)
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#include <scsi.h>
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#endif
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#if defined(CONFIG_CMD_KGDB)
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#include <kgdb.h>
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#endif
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#ifdef CONFIG_STATUS_LED
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#include <status_led.h>
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#endif
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#include <net.h>
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#include <serial.h>
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#ifdef CFG_ALLOC_DPRAM
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#if !defined(CONFIG_CPM2)
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#include <commproc.h>
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#endif
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#endif
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#include <version.h>
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#if defined(CONFIG_BAB7xx)
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#include <w83c553f.h>
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#endif
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#include <dtt.h>
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#if defined(CONFIG_POST)
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#include <post.h>
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#endif
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#if defined(CONFIG_LOGBUFFER)
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#include <logbuff.h>
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#endif
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#if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
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#include <asm/cache.h>
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#endif
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#ifdef CONFIG_PS2KBD
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#include <keyboard.h>
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#endif
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#ifdef CFG_UPDATE_FLASH_SIZE
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extern int update_flash_size (int flash_size);
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#endif
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#if defined(CONFIG_SC3)
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extern void sc3_read_eeprom(void);
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#endif
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#if defined(CONFIG_CMD_DOC)
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void doc_init (void);
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#endif
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#if defined(CONFIG_HARD_I2C) || \
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defined(CONFIG_SOFT_I2C)
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#include <i2c.h>
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#endif
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#if defined(CONFIG_HARD_SPI)
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#include <spi.h>
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#endif
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#if defined(CONFIG_CMD_NAND)
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void nand_init (void);
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#endif
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static char *failed = "*** failed ***\n";
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#if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
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extern flash_info_t flash_info[];
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#endif
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#if defined(CONFIG_START_IDE)
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extern int board_start_ide(void);
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#endif
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#include <environment.h>
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CFG_ENV_IS_EMBEDDED)
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#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
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#elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
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(CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
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defined(CFG_ENV_IS_IN_NVRAM)
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#define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
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#else
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#define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
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#endif
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extern ulong __init_end;
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extern ulong _end;
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ulong monitor_flash_len;
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#if defined(CONFIG_CMD_BEDBUG)
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#include <bedbug/type.h>
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#endif
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/*
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* Begin and End of memory area for malloc(), and current "brk"
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*/
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static ulong mem_malloc_start = 0;
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static ulong mem_malloc_end = 0;
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static ulong mem_malloc_brk = 0;
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/************************************************************************
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* Utilities *
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************************************************************************
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*/
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/*
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* The Malloc area is immediately below the monitor copy in DRAM
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*/
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static void mem_malloc_init (void)
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{
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#if !defined(CONFIG_RELOC_FIXUP_WORKS)
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mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
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#endif
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mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
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mem_malloc_brk = mem_malloc_start;
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memset ((void *) mem_malloc_start,
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0,
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mem_malloc_end - mem_malloc_start);
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}
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void *sbrk (ptrdiff_t increment)
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{
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ulong old = mem_malloc_brk;
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ulong new = old + increment;
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if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
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return (NULL);
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}
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mem_malloc_brk = new;
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return ((void *) old);
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}
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char *strmhz (char *buf, long hz)
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{
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long l, n;
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long m;
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n = hz / 1000000L;
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l = sprintf (buf, "%ld", n);
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m = (hz % 1000000L) / 1000L;
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if (m != 0)
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sprintf (buf + l, ".%03ld", m);
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return (buf);
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}
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/*
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* All attempts to come up with a "common" initialization sequence
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* that works for all boards and architectures failed: some of the
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* requirements are just _too_ different. To get rid of the resulting
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* mess of board dependend #ifdef'ed code we now make the whole
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* initialization sequence configurable to the user.
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*
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* The requirements for any new initalization function is simple: it
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* receives a pointer to the "global data" structure as it's only
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* argument, and returns an integer return code, where 0 means
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* "continue" and != 0 means "fatal error, hang the system".
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*/
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typedef int (init_fnc_t) (void);
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/************************************************************************
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* Init Utilities *
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************************************************************************
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* Some of this code should be moved into the core functions,
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* but let's get it working (again) first...
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*/
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static int init_baudrate (void)
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{
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char tmp[64]; /* long enough for environment variables */
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int i = getenv_r ("baudrate", tmp, sizeof (tmp));
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gd->baudrate = (i > 0)
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? (int) simple_strtoul (tmp, NULL, 10)
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: CONFIG_BAUDRATE;
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return (0);
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}
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/***********************************************************************/
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void __board_add_ram_info(int use_default)
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{
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/* please define platform specific board_add_ram_info() */
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}
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void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
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static int init_func_ram (void)
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{
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#ifdef CONFIG_BOARD_TYPES
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int board_type = gd->board_type;
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#else
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int board_type = 0; /* use dummy arg */
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#endif
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puts ("DRAM: ");
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if ((gd->ram_size = initdram (board_type)) > 0) {
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print_size (gd->ram_size, "");
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board_add_ram_info(0);
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putc('\n');
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return (0);
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}
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puts (failed);
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return (1);
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}
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/***********************************************************************/
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#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
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static int init_func_i2c (void)
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{
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puts ("I2C: ");
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i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
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puts ("ready\n");
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return (0);
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}
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#endif
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#if defined(CONFIG_HARD_SPI)
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static int init_func_spi (void)
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{
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puts ("SPI: ");
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spi_init ();
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puts ("ready\n");
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return (0);
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}
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#endif
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/***********************************************************************/
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#if defined(CONFIG_WATCHDOG)
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static int init_func_watchdog_init (void)
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{
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puts (" Watchdog enabled\n");
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WATCHDOG_RESET ();
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return (0);
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}
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# define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
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static int init_func_watchdog_reset (void)
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{
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WATCHDOG_RESET ();
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return (0);
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}
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# define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
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#else
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# define INIT_FUNC_WATCHDOG_INIT /* undef */
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# define INIT_FUNC_WATCHDOG_RESET /* undef */
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#endif /* CONFIG_WATCHDOG */
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/************************************************************************
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* Initialization sequence *
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************************************************************************
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*/
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init_fnc_t *init_sequence[] = {
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#if defined(CONFIG_BOARD_EARLY_INIT_F)
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board_early_init_f,
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#endif
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#if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
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get_clocks, /* get CPU and bus clocks (etc.) */
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#if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
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&& !defined(CONFIG_TQM885D)
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adjust_sdram_tbs_8xx,
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#endif
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init_timebase,
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#endif
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#ifdef CFG_ALLOC_DPRAM
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#if !defined(CONFIG_CPM2)
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dpram_init,
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#endif
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#endif
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#if defined(CONFIG_BOARD_POSTCLK_INIT)
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board_postclk_init,
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#endif
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env_init,
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#if defined(CONFIG_8xx_CPUCLK_DEFAULT)
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get_clocks_866, /* get CPU and bus clocks according to the environment variable */
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sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
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init_timebase,
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#endif
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init_baudrate,
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serial_init,
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console_init_f,
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display_options,
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#if defined(CONFIG_8260)
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prt_8260_rsr,
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prt_8260_clks,
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#endif /* CONFIG_8260 */
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#if defined(CONFIG_MPC83XX)
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prt_83xx_rsr,
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#endif
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checkcpu,
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#if defined(CONFIG_MPC5xxx)
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prt_mpc5xxx_clks,
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#endif /* CONFIG_MPC5xxx */
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#if defined(CONFIG_MPC8220)
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prt_mpc8220_clks,
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#endif
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checkboard,
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INIT_FUNC_WATCHDOG_INIT
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#if defined(CONFIG_MISC_INIT_F)
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misc_init_f,
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#endif
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INIT_FUNC_WATCHDOG_RESET
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#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
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init_func_i2c,
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#endif
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#if defined(CONFIG_HARD_SPI)
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init_func_spi,
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#endif
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#if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
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dtt_init,
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#endif
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#ifdef CONFIG_POST
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post_init_f,
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#endif
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INIT_FUNC_WATCHDOG_RESET
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init_func_ram,
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#if defined(CFG_DRAM_TEST)
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testdram,
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#endif /* CFG_DRAM_TEST */
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INIT_FUNC_WATCHDOG_RESET
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NULL, /* Terminate this list */
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};
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#ifndef CONFIG_MAX_MEM_MAPPED
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#define CONFIG_MAX_MEM_MAPPED (256 << 20)
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#endif
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ulong get_effective_memsize(void)
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{
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#ifndef CONFIG_VERY_BIG_RAM
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return gd->ram_size;
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#else
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/* limit stack to what we can reasonable map */
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return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
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CONFIG_MAX_MEM_MAPPED : gd->ram_size);
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#endif
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}
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|
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/************************************************************************
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*
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* This is the first part of the initialization sequence that is
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* implemented in C, but still running from ROM.
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*
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* The main purpose is to provide a (serial) console interface as
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* soon as possible (so we can see any error messages), and to
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* initialize the RAM so that we can relocate the monitor code to
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* RAM.
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*
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* Be aware of the restrictions: global data is read-only, BSS is not
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* initialized, and stack space is limited to a few kB.
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*
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************************************************************************
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*/
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void board_init_f (ulong bootflag)
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{
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bd_t *bd;
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ulong len, addr, addr_sp;
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ulong *s;
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gd_t *id;
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init_fnc_t **init_fnc_ptr;
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#ifdef CONFIG_PRAM
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int i;
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ulong reg;
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uchar tmp[64]; /* long enough for environment variables */
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#endif
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/* Pointer is writable since we allocated a register for it */
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gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
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/* compiler optimization barrier needed for GCC >= 3.4 */
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__asm__ __volatile__("": : :"memory");
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#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
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/* Clear initial global data */
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memset ((void *) gd, 0, sizeof (gd_t));
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#endif
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
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if ((*init_fnc_ptr) () != 0) {
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hang ();
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}
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}
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|
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/*
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* Now that we have DRAM mapped and working, we can
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* relocate the code and continue running from DRAM.
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*
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* Reserve memory at end of RAM for (top down in that order):
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* - kernel log buffer
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* - protected RAM
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* - LCD framebuffer
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* - monitor code
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* - board info struct
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*/
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len = (ulong)&_end - CFG_MONITOR_BASE;
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addr = CFG_SDRAM_BASE + get_effective_memsize();
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|
|
#ifdef CONFIG_LOGBUFFER
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/* reserve kernel log buffer */
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addr -= (LOGBUFF_RESERVE);
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debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
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#endif
|
|
|
|
#ifdef CONFIG_PRAM
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|
/*
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|
* reserve protected RAM
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|
*/
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|
i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
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reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
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addr -= (reg << 10); /* size is in kB */
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|
debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
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#endif /* CONFIG_PRAM */
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|
|
|
/* round down to next 4 kB limit */
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|
addr &= ~(4096 - 1);
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|
debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
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|
|
|
#ifdef CONFIG_LCD
|
|
/* reserve memory for LCD display (always full pages) */
|
|
addr = lcd_setmem (addr);
|
|
gd->fb_base = addr;
|
|
#endif /* CONFIG_LCD */
|
|
|
|
#if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
|
|
/* reserve memory for video display (always full pages) */
|
|
addr = video_setmem (addr);
|
|
gd->fb_base = addr;
|
|
#endif /* CONFIG_VIDEO */
|
|
|
|
/*
|
|
* reserve memory for U-Boot code, data & bss
|
|
* round down to next 4 kB limit
|
|
*/
|
|
addr -= len;
|
|
addr &= ~(4096 - 1);
|
|
#ifdef CONFIG_E500
|
|
/* round down to next 64 kB limit so that IVPR stays aligned */
|
|
addr &= ~(65536 - 1);
|
|
#endif
|
|
|
|
debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
|
|
|
|
#ifdef CONFIG_AMIGAONEG3SE
|
|
gd->relocaddr = addr;
|
|
#endif
|
|
|
|
/*
|
|
* reserve memory for malloc() arena
|
|
*/
|
|
addr_sp = addr - TOTAL_MALLOC_LEN;
|
|
debug ("Reserving %dk for malloc() at: %08lx\n",
|
|
TOTAL_MALLOC_LEN >> 10, addr_sp);
|
|
|
|
/*
|
|
* (permanently) allocate a Board Info struct
|
|
* and a permanent copy of the "global" data
|
|
*/
|
|
addr_sp -= sizeof (bd_t);
|
|
bd = (bd_t *) addr_sp;
|
|
gd->bd = bd;
|
|
debug ("Reserving %d Bytes for Board Info at: %08lx\n",
|
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sizeof (bd_t), addr_sp);
|
|
addr_sp -= sizeof (gd_t);
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id = (gd_t *) addr_sp;
|
|
debug ("Reserving %d Bytes for Global Data at: %08lx\n",
|
|
sizeof (gd_t), addr_sp);
|
|
|
|
/*
|
|
* Finally, we set up a new (bigger) stack.
|
|
*
|
|
* Leave some safety gap for SP, force alignment on 16 byte boundary
|
|
* Clear initial stack frame
|
|
*/
|
|
addr_sp -= 16;
|
|
addr_sp &= ~0xF;
|
|
s = (ulong *)addr_sp;
|
|
*s-- = 0;
|
|
*s-- = 0;
|
|
addr_sp = (ulong)s;
|
|
debug ("Stack Pointer at: %08lx\n", addr_sp);
|
|
|
|
/*
|
|
* Save local variables to board info struct
|
|
*/
|
|
|
|
bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
|
|
bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
|
|
|
|
#ifdef CONFIG_IP860
|
|
bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
|
|
bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
|
|
#elif defined CONFIG_MPC8220
|
|
bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
|
|
bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
|
|
#else
|
|
bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
|
|
bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
|
|
#endif
|
|
|
|
#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
|
|
defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
|
|
bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
|
|
#endif
|
|
#if defined(CONFIG_MPC5xxx)
|
|
bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
|
|
#endif
|
|
#if defined(CONFIG_MPC83XX)
|
|
bd->bi_immrbar = CFG_IMMR;
|
|
#endif
|
|
#if defined(CONFIG_MPC8220)
|
|
bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
|
|
bd->bi_inpfreq = gd->inp_clk;
|
|
bd->bi_pcifreq = gd->pci_clk;
|
|
bd->bi_vcofreq = gd->vco_clk;
|
|
bd->bi_pevfreq = gd->pev_clk;
|
|
bd->bi_flbfreq = gd->flb_clk;
|
|
|
|
/* store bootparam to sram (backward compatible), here? */
|
|
{
|
|
u32 *sram = (u32 *)CFG_SRAM_BASE;
|
|
*sram++ = gd->ram_size;
|
|
*sram++ = gd->bus_clk;
|
|
*sram++ = gd->inp_clk;
|
|
*sram++ = gd->cpu_clk;
|
|
*sram++ = gd->vco_clk;
|
|
*sram++ = gd->flb_clk;
|
|
*sram++ = 0xb8c3ba11; /* boot signature */
|
|
}
|
|
#endif
|
|
|
|
bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
|
|
|
|
WATCHDOG_RESET ();
|
|
bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
|
|
bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
|
|
#if defined(CONFIG_CPM2)
|
|
bd->bi_cpmfreq = gd->cpm_clk;
|
|
bd->bi_brgfreq = gd->brg_clk;
|
|
bd->bi_sccfreq = gd->scc_clk;
|
|
bd->bi_vco = gd->vco_out;
|
|
#endif /* CONFIG_CPM2 */
|
|
#if defined(CONFIG_MPC512X)
|
|
bd->bi_ipsfreq = gd->ips_clk;
|
|
#endif /* CONFIG_MPC512X */
|
|
#if defined(CONFIG_MPC5xxx)
|
|
bd->bi_ipbfreq = gd->ipb_clk;
|
|
bd->bi_pcifreq = gd->pci_clk;
|
|
#endif /* CONFIG_MPC5xxx */
|
|
bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
|
|
|
|
#ifdef CFG_EXTBDINFO
|
|
strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
|
|
strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
|
|
|
|
bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
|
|
bd->bi_plb_busfreq = gd->bus_clk;
|
|
#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
|
|
defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
|
|
defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
|
|
bd->bi_pci_busfreq = get_PCI_freq ();
|
|
bd->bi_opbfreq = get_OPB_freq ();
|
|
#elif defined(CONFIG_XILINX_ML300)
|
|
bd->bi_pci_busfreq = get_PCI_freq ();
|
|
#endif
|
|
#endif
|
|
|
|
debug ("New Stack Pointer is: %08lx\n", addr_sp);
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
#ifdef CONFIG_POST
|
|
post_bootmode_init();
|
|
post_run (NULL, POST_ROM | post_bootmode_get(0));
|
|
#endif
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
memcpy (id, (void *)gd, sizeof (gd_t));
|
|
|
|
relocate_code (addr_sp, id, addr);
|
|
|
|
/* NOTREACHED - relocate_code() does not return */
|
|
}
|
|
|
|
/************************************************************************
|
|
*
|
|
* This is the next part if the initialization sequence: we are now
|
|
* running from RAM and have a "normal" C environment, i. e. global
|
|
* data can be written, BSS has been cleared, the stack size in not
|
|
* that critical any more, etc.
|
|
*
|
|
************************************************************************
|
|
*/
|
|
void board_init_r (gd_t *id, ulong dest_addr)
|
|
{
|
|
cmd_tbl_t *cmdtp;
|
|
char *s, *e;
|
|
bd_t *bd;
|
|
int i;
|
|
extern void malloc_bin_reloc (void);
|
|
#ifndef CFG_ENV_IS_NOWHERE
|
|
extern char * env_name_spec;
|
|
#endif
|
|
|
|
#ifndef CFG_NO_FLASH
|
|
ulong flash_size;
|
|
#endif
|
|
|
|
gd = id; /* initialize RAM version of global data */
|
|
bd = gd->bd;
|
|
|
|
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
|
|
|
|
#if defined(CONFIG_RELOC_FIXUP_WORKS)
|
|
gd->reloc_off = 0;
|
|
mem_malloc_end = dest_addr;
|
|
#else
|
|
gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SERIAL_MULTI
|
|
serial_initialize();
|
|
#endif
|
|
|
|
debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
#if defined(CONFIG_BOARD_EARLY_INIT_R)
|
|
board_early_init_r ();
|
|
#endif
|
|
|
|
monitor_flash_len = (ulong)&__init_end - dest_addr;
|
|
|
|
/*
|
|
* We have to relocate the command table manually
|
|
*/
|
|
for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
|
|
ulong addr;
|
|
addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
|
|
#if 0
|
|
printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
|
|
cmdtp->name, (ulong) (cmdtp->cmd), addr);
|
|
#endif
|
|
cmdtp->cmd =
|
|
(int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
|
|
|
|
addr = (ulong)(cmdtp->name) + gd->reloc_off;
|
|
cmdtp->name = (char *)addr;
|
|
|
|
if (cmdtp->usage) {
|
|
addr = (ulong)(cmdtp->usage) + gd->reloc_off;
|
|
cmdtp->usage = (char *)addr;
|
|
}
|
|
#ifdef CFG_LONGHELP
|
|
if (cmdtp->help) {
|
|
addr = (ulong)(cmdtp->help) + gd->reloc_off;
|
|
cmdtp->help = (char *)addr;
|
|
}
|
|
#endif
|
|
}
|
|
/* there are some other pointer constants we must deal with */
|
|
#ifndef CFG_ENV_IS_NOWHERE
|
|
env_name_spec += gd->reloc_off;
|
|
#endif
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
#ifdef CONFIG_LOGBUFFER
|
|
logbuff_init_ptrs ();
|
|
#endif
|
|
#ifdef CONFIG_POST
|
|
post_output_backlog ();
|
|
post_reloc ();
|
|
#endif
|
|
|
|
WATCHDOG_RESET();
|
|
|
|
#if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
|
|
defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
|
|
icache_enable (); /* it's time to enable the instruction cache */
|
|
#endif
|
|
|
|
#if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
|
|
unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
|
|
#endif
|
|
|
|
#if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
|
|
/*
|
|
* Do PCI configuration on BAB7xx and CPC45 _before_ the flash
|
|
* gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
|
|
* bridge there.
|
|
*/
|
|
pci_init ();
|
|
#endif
|
|
#if defined(CONFIG_BAB7xx)
|
|
/*
|
|
* Initialise the ISA bridge
|
|
*/
|
|
initialise_w83c553f ();
|
|
#endif
|
|
|
|
asm ("sync ; isync");
|
|
|
|
/*
|
|
* Setup trap handlers
|
|
*/
|
|
trap_init (dest_addr);
|
|
|
|
#if !defined(CFG_NO_FLASH)
|
|
puts ("FLASH: ");
|
|
|
|
if ((flash_size = flash_init ()) > 0) {
|
|
# ifdef CFG_FLASH_CHECKSUM
|
|
print_size (flash_size, "");
|
|
/*
|
|
* Compute and print flash CRC if flashchecksum is set to 'y'
|
|
*
|
|
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
|
|
*/
|
|
s = getenv ("flashchecksum");
|
|
if (s && (*s == 'y')) {
|
|
printf (" CRC: %08lX",
|
|
crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
|
|
);
|
|
}
|
|
putc ('\n');
|
|
# else /* !CFG_FLASH_CHECKSUM */
|
|
print_size (flash_size, "\n");
|
|
# endif /* CFG_FLASH_CHECKSUM */
|
|
} else {
|
|
puts (failed);
|
|
hang ();
|
|
}
|
|
|
|
bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
|
|
bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
|
|
|
|
#if defined(CFG_UPDATE_FLASH_SIZE)
|
|
/* Make a update of the Memctrl. */
|
|
update_flash_size (flash_size);
|
|
#endif
|
|
|
|
|
|
# if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
|
|
/* flash mapped at end of memory map */
|
|
bd->bi_flashoffset = TEXT_BASE + flash_size;
|
|
# elif CFG_MONITOR_BASE == CFG_FLASH_BASE
|
|
bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
|
|
# else
|
|
bd->bi_flashoffset = 0;
|
|
# endif
|
|
#else /* CFG_NO_FLASH */
|
|
|
|
bd->bi_flashsize = 0;
|
|
bd->bi_flashstart = 0;
|
|
bd->bi_flashoffset = 0;
|
|
#endif /* !CFG_NO_FLASH */
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
/* initialize higher level parts of CPU like time base and timers */
|
|
cpu_init_r ();
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
/* initialize malloc() area */
|
|
mem_malloc_init ();
|
|
malloc_bin_reloc ();
|
|
|
|
#ifdef CONFIG_SPI
|
|
# if !defined(CFG_ENV_IS_IN_EEPROM)
|
|
spi_init_f ();
|
|
# endif
|
|
spi_init_r ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_NAND)
|
|
WATCHDOG_RESET ();
|
|
puts ("NAND: ");
|
|
nand_init(); /* go init the NAND */
|
|
#endif
|
|
|
|
/* relocate environment function pointers etc. */
|
|
env_relocate ();
|
|
|
|
/*
|
|
* Fill in missing fields of bd_info.
|
|
* We do this here, where we have "normal" access to the
|
|
* environment; we used to do this still running from ROM,
|
|
* where had to use getenv_r(), which can be pretty slow when
|
|
* the environment is in EEPROM.
|
|
*/
|
|
|
|
#if defined(CFG_EXTBDINFO)
|
|
#if defined(CONFIG_405GP) || defined(CONFIG_405EP)
|
|
#if defined(CONFIG_I2CFAST)
|
|
/*
|
|
* set bi_iic_fast for linux taking environment variable
|
|
* "i2cfast" into account
|
|
*/
|
|
{
|
|
char *s = getenv ("i2cfast");
|
|
if (s && ((*s == 'y') || (*s == 'Y'))) {
|
|
bd->bi_iic_fast[0] = 1;
|
|
bd->bi_iic_fast[1] = 1;
|
|
} else {
|
|
bd->bi_iic_fast[0] = 0;
|
|
bd->bi_iic_fast[1] = 0;
|
|
}
|
|
}
|
|
#else
|
|
bd->bi_iic_fast[0] = 0;
|
|
bd->bi_iic_fast[1] = 0;
|
|
#endif /* CONFIG_I2CFAST */
|
|
#endif /* CONFIG_405GP, CONFIG_405EP */
|
|
#endif /* CFG_EXTBDINFO */
|
|
|
|
#if defined(CONFIG_SC3)
|
|
sc3_read_eeprom();
|
|
#endif
|
|
|
|
#ifdef CFG_ID_EEPROM
|
|
mac_read_from_eeprom();
|
|
#endif
|
|
|
|
s = getenv ("ethaddr");
|
|
#if defined (CONFIG_MBX) || \
|
|
defined (CONFIG_RPXCLASSIC) || \
|
|
defined(CONFIG_IAD210) || \
|
|
defined(CONFIG_V38B)
|
|
if (s == NULL)
|
|
board_get_enetaddr (bd->bi_enetaddr);
|
|
else
|
|
#endif
|
|
for (i = 0; i < 6; ++i) {
|
|
bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
|
|
if (s)
|
|
s = (*e) ? e + 1 : e;
|
|
}
|
|
#ifdef CONFIG_HERMES
|
|
if ((gd->board_type >> 16) == 2)
|
|
bd->bi_ethspeed = gd->board_type & 0xFFFF;
|
|
else
|
|
bd->bi_ethspeed = 0xFFFF;
|
|
#endif
|
|
|
|
#ifdef CONFIG_NX823
|
|
load_sernum_ethaddr ();
|
|
#endif
|
|
|
|
#ifdef CONFIG_HAS_ETH1
|
|
/* handle the 2nd ethernet address */
|
|
|
|
s = getenv ("eth1addr");
|
|
|
|
for (i = 0; i < 6; ++i) {
|
|
bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
|
|
if (s)
|
|
s = (*e) ? e + 1 : e;
|
|
}
|
|
#endif
|
|
#ifdef CONFIG_HAS_ETH2
|
|
/* handle the 3rd ethernet address */
|
|
|
|
s = getenv ("eth2addr");
|
|
#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
|
|
if (s == NULL)
|
|
board_get_enetaddr(bd->bi_enet2addr);
|
|
else
|
|
#endif
|
|
for (i = 0; i < 6; ++i) {
|
|
bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
|
|
if (s)
|
|
s = (*e) ? e + 1 : e;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_HAS_ETH3
|
|
/* handle 4th ethernet address */
|
|
s = getenv("eth3addr");
|
|
#if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
|
|
if (s == NULL)
|
|
board_get_enetaddr(bd->bi_enet3addr);
|
|
else
|
|
#endif
|
|
for (i = 0; i < 6; ++i) {
|
|
bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
|
|
if (s)
|
|
s = (*e) ? e + 1 : e;
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
|
|
defined(CONFIG_TQM8272) || \
|
|
defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
|
|
defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
|
|
load_sernum_ethaddr ();
|
|
#endif
|
|
/* IP Address */
|
|
bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
#if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
|
|
/*
|
|
* Do pci configuration
|
|
*/
|
|
pci_init ();
|
|
#endif
|
|
|
|
/** leave this here (after malloc(), environment and PCI are working) **/
|
|
/* Initialize devices */
|
|
devices_init ();
|
|
|
|
/* Initialize the jump table for applications */
|
|
jumptable_init ();
|
|
|
|
#if defined(CONFIG_API)
|
|
/* Initialize API */
|
|
api_init ();
|
|
#endif
|
|
|
|
/* Initialize the console (after the relocation and devices init) */
|
|
console_init_r ();
|
|
|
|
#if defined(CONFIG_CCM) || \
|
|
defined(CONFIG_COGENT) || \
|
|
defined(CONFIG_CPCI405) || \
|
|
defined(CONFIG_EVB64260) || \
|
|
defined(CONFIG_KUP4K) || \
|
|
defined(CONFIG_KUP4X) || \
|
|
defined(CONFIG_LWMON) || \
|
|
defined(CONFIG_PCU_E) || \
|
|
defined(CONFIG_SC3) || \
|
|
defined(CONFIG_W7O) || \
|
|
defined(CONFIG_MISC_INIT_R)
|
|
/* miscellaneous platform dependent initialisations */
|
|
misc_init_r ();
|
|
#endif
|
|
|
|
#ifdef CONFIG_HERMES
|
|
if (bd->bi_ethspeed != 0xFFFF)
|
|
hermes_start_lxt980 ((int) bd->bi_ethspeed);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_KGDB)
|
|
WATCHDOG_RESET ();
|
|
puts ("KGDB: ");
|
|
kgdb_init ();
|
|
#endif
|
|
|
|
debug ("U-Boot relocated to %08lx\n", dest_addr);
|
|
|
|
/*
|
|
* Enable Interrupts
|
|
*/
|
|
interrupt_init ();
|
|
|
|
/* Must happen after interrupts are initialized since
|
|
* an irq handler gets installed
|
|
*/
|
|
#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
|
|
serial_buffered_init();
|
|
#endif
|
|
|
|
#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
|
|
status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
|
|
#endif
|
|
|
|
udelay (20);
|
|
|
|
set_timer (0);
|
|
|
|
/* Initialize from environment */
|
|
if ((s = getenv ("loadaddr")) != NULL) {
|
|
load_addr = simple_strtoul (s, NULL, 16);
|
|
}
|
|
#if defined(CONFIG_CMD_NET)
|
|
if ((s = getenv ("bootfile")) != NULL) {
|
|
copy_filename (BootFile, s, sizeof (BootFile));
|
|
}
|
|
#endif
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
#if defined(CONFIG_CMD_SCSI)
|
|
WATCHDOG_RESET ();
|
|
puts ("SCSI: ");
|
|
scsi_init ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_DOC)
|
|
WATCHDOG_RESET ();
|
|
puts ("DOC: ");
|
|
doc_init ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_NET)
|
|
#if defined(CONFIG_NET_MULTI)
|
|
WATCHDOG_RESET ();
|
|
puts ("Net: ");
|
|
#endif
|
|
eth_initialize (bd);
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_NET) && ( \
|
|
defined(CONFIG_CCM) || \
|
|
defined(CONFIG_ELPT860) || \
|
|
defined(CONFIG_EP8260) || \
|
|
defined(CONFIG_IP860) || \
|
|
defined(CONFIG_IVML24) || \
|
|
defined(CONFIG_IVMS8) || \
|
|
defined(CONFIG_MPC8260ADS) || \
|
|
defined(CONFIG_MPC8266ADS) || \
|
|
defined(CONFIG_MPC8560ADS) || \
|
|
defined(CONFIG_PCU_E) || \
|
|
defined(CONFIG_RPXSUPER) || \
|
|
defined(CONFIG_STXGP3) || \
|
|
defined(CONFIG_SPD823TS) || \
|
|
defined(CONFIG_RESET_PHY_R) )
|
|
|
|
WATCHDOG_RESET ();
|
|
debug ("Reset Ethernet PHY\n");
|
|
reset_phy ();
|
|
#endif
|
|
|
|
#ifdef CONFIG_POST
|
|
post_run (NULL, POST_RAM | post_bootmode_get(0));
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_PCMCIA) \
|
|
&& !defined(CONFIG_CMD_IDE)
|
|
WATCHDOG_RESET ();
|
|
puts ("PCMCIA:");
|
|
pcmcia_init ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_IDE)
|
|
WATCHDOG_RESET ();
|
|
# ifdef CONFIG_IDE_8xx_PCCARD
|
|
puts ("PCMCIA:");
|
|
# else
|
|
puts ("IDE: ");
|
|
#endif
|
|
#if defined(CONFIG_START_IDE)
|
|
if (board_start_ide())
|
|
ide_init ();
|
|
#else
|
|
ide_init ();
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef CONFIG_LAST_STAGE_INIT
|
|
WATCHDOG_RESET ();
|
|
/*
|
|
* Some parts can be only initialized if all others (like
|
|
* Interrupts) are up and running (i.e. the PC-style ISA
|
|
* keyboard).
|
|
*/
|
|
last_stage_init ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_CMD_BEDBUG)
|
|
WATCHDOG_RESET ();
|
|
bedbug_init ();
|
|
#endif
|
|
|
|
#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
|
|
/*
|
|
* Export available size of memory for Linux,
|
|
* taking into account the protected RAM at top of memory
|
|
*/
|
|
{
|
|
ulong pram;
|
|
uchar memsz[32];
|
|
#ifdef CONFIG_PRAM
|
|
char *s;
|
|
|
|
if ((s = getenv ("pram")) != NULL) {
|
|
pram = simple_strtoul (s, NULL, 10);
|
|
} else {
|
|
pram = CONFIG_PRAM;
|
|
}
|
|
#else
|
|
pram=0;
|
|
#endif
|
|
#ifdef CONFIG_LOGBUFFER
|
|
/* Also take the logbuffer into account (pram is in kB) */
|
|
pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
|
|
#endif
|
|
sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
|
|
setenv ("mem", (char *)memsz);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PS2KBD
|
|
puts ("PS/2: ");
|
|
kbd_init();
|
|
#endif
|
|
|
|
#ifdef CONFIG_MODEM_SUPPORT
|
|
{
|
|
extern int do_mdm_init;
|
|
do_mdm_init = gd->do_mdm_init;
|
|
}
|
|
#endif
|
|
|
|
/* Initialization complete - start the monitor */
|
|
|
|
/* main_loop() can return to retry autoboot, if so just run it again. */
|
|
for (;;) {
|
|
WATCHDOG_RESET ();
|
|
main_loop ();
|
|
}
|
|
|
|
/* NOTREACHED - no way out of command loop except booting */
|
|
}
|
|
|
|
void hang (void)
|
|
{
|
|
puts ("### ERROR ### Please RESET the board ###\n");
|
|
show_boot_progress(-30);
|
|
for (;;);
|
|
}
|
|
|
|
#ifdef CONFIG_MODEM_SUPPORT
|
|
/* called from main loop (common/main.c) */
|
|
/* 'inline' - We have to do it fast */
|
|
static inline void mdm_readline(char *buf, int bufsiz)
|
|
{
|
|
char c;
|
|
char *p;
|
|
int n;
|
|
|
|
n = 0;
|
|
p = buf;
|
|
for(;;) {
|
|
c = serial_getc();
|
|
|
|
/* dbg("(%c)", c); */
|
|
|
|
switch(c) {
|
|
case '\r':
|
|
break;
|
|
case '\n':
|
|
*p = '\0';
|
|
return;
|
|
|
|
default:
|
|
if(n++ > bufsiz) {
|
|
*p = '\0';
|
|
return; /* sanity check */
|
|
}
|
|
*p = c;
|
|
p++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
extern void dbg(const char *fmt, ...);
|
|
int mdm_init (void)
|
|
{
|
|
char env_str[16];
|
|
char *init_str;
|
|
int i;
|
|
extern char console_buffer[];
|
|
extern void enable_putc(void);
|
|
extern int hwflow_onoff(int);
|
|
|
|
enable_putc(); /* enable serial_putc() */
|
|
|
|
#ifdef CONFIG_HWFLOW
|
|
init_str = getenv("mdm_flow_control");
|
|
if (init_str && (strcmp(init_str, "rts/cts") == 0))
|
|
hwflow_onoff (1);
|
|
else
|
|
hwflow_onoff(-1);
|
|
#endif
|
|
|
|
for (i = 1;;i++) {
|
|
sprintf(env_str, "mdm_init%d", i);
|
|
if ((init_str = getenv(env_str)) != NULL) {
|
|
serial_puts(init_str);
|
|
serial_puts("\n");
|
|
for(;;) {
|
|
mdm_readline(console_buffer, CFG_CBSIZE);
|
|
dbg("ini%d: [%s]", i, console_buffer);
|
|
|
|
if ((strcmp(console_buffer, "OK") == 0) ||
|
|
(strcmp(console_buffer, "ERROR") == 0)) {
|
|
dbg("ini%d: cmd done", i);
|
|
break;
|
|
} else /* in case we are originating call ... */
|
|
if (strncmp(console_buffer, "CONNECT", 7) == 0) {
|
|
dbg("ini%d: connect", i);
|
|
return 0;
|
|
}
|
|
}
|
|
} else
|
|
break; /* no init string - stop modem init */
|
|
|
|
udelay(100000);
|
|
}
|
|
|
|
udelay(100000);
|
|
|
|
/* final stage - wait for connect */
|
|
for(;i > 1;) { /* if 'i' > 1 - wait for connection
|
|
message from modem */
|
|
mdm_readline(console_buffer, CFG_CBSIZE);
|
|
dbg("ini_f: [%s]", console_buffer);
|
|
if (strncmp(console_buffer, "CONNECT", 7) == 0) {
|
|
dbg("ini_f: connected");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
#if 0 /* We could use plain global data, but the resulting code is bigger */
|
|
/*
|
|
* Pointer to initial global data area
|
|
*
|
|
* Here we initialize it.
|
|
*/
|
|
#undef XTRN_DECLARE_GLOBAL_DATA_PTR
|
|
#define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
|
|
DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
|
|
#endif /* 0 */
|
|
|
|
/************************************************************************/
|
|
|