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https://github.com/brain-hackers/u-boot-brain
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![Marek Vasut](/assets/img/avatar_default.png)
Remove the parts depending either on disabled CONFIG_SERIAL_MULTI or ifdefs around CONFIG_SERIAL_MULTI parts since CONFIG_SERIAL_MULTI is now enabled by default. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marek Vasut <marek.vasut@gmail.com> Cc: Tom Rini <trini@ti.com> Cc: Anatolij Gustschin <agust@denx.de> Cc: Stefan Roese <sr@denx.de>
205 lines
5.5 KiB
C
205 lines
5.5 KiB
C
/*
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* (C) Copyright 2007 Michal Simek
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* (C) Copyright 2004 Atmark Techno, Inc.
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*
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* Michal SIMEK <monstr@monstr.eu>
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* Yasushi SHOJI <yashi@atmark-techno.com>
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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 <command.h>
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#include <malloc.h>
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#include <version.h>
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#include <watchdog.h>
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#include <stdio_dev.h>
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#include <serial.h>
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#include <net.h>
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#include <linux/compiler.h>
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#include <asm/processor.h>
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#include <asm/microblaze_intc.h>
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#include <fdtdec.h>
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DECLARE_GLOBAL_DATA_PTR;
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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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init_fnc_t *init_sequence[] = {
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env_init,
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#ifdef CONFIG_OF_CONTROL
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fdtdec_check_fdt,
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#endif
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serial_init,
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console_init_f,
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interrupts_init,
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timer_init,
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NULL,
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};
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unsigned long monitor_flash_len;
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void board_init_f(ulong not_used)
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{
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bd_t *bd;
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init_fnc_t **init_fnc_ptr;
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gd = (gd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
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bd = (bd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \
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- GENERATED_BD_INFO_SIZE);
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__maybe_unused char *s;
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#if defined(CONFIG_CMD_FLASH)
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ulong flash_size = 0;
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#endif
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asm ("nop"); /* FIXME gd is not initialize - wait */
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memset ((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
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memset ((void *)bd, 0, GENERATED_BD_INFO_SIZE);
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gd->bd = bd;
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gd->baudrate = CONFIG_BAUDRATE;
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bd->bi_baudrate = CONFIG_BAUDRATE;
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bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
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bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
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gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
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monitor_flash_len = __end - __text_start;
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#ifdef CONFIG_OF_EMBED
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/* Get a pointer to the FDT */
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gd->fdt_blob = _binary_dt_dtb_start;
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#elif defined CONFIG_OF_SEPARATE
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/* FDT is at end of image */
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gd->fdt_blob = (void *)__end;
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#endif
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/* Allow the early environment to override the fdt address */
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gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
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(uintptr_t)gd->fdt_blob);
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/*
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* The Malloc area is immediately below the monitor copy in DRAM
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* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
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* as our monitory code is run from SDRAM
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*/
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mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
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serial_initialize();
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for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
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WATCHDOG_RESET ();
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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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#ifdef CONFIG_OF_CONTROL
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/* For now, put this check after the console is ready */
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if (fdtdec_prepare_fdt()) {
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panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
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"doc/README.fdt-control");
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} else
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printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
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#endif
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puts ("SDRAM :\n");
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printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
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printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
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printf ("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);
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#if defined(CONFIG_CMD_FLASH)
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puts ("Flash: ");
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bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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flash_size = flash_init();
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if (bd->bi_flashstart && flash_size > 0) {
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# ifdef CONFIG_SYS_FLASH_CHECKSUM
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print_size (flash_size, "");
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/*
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* Compute and print flash CRC if flashchecksum is set to 'y'
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*
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* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
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*/
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s = getenv ("flashchecksum");
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if (s && (*s == 'y')) {
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printf (" CRC: %08X",
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crc32(0, (const u8 *)bd->bi_flashstart,
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flash_size)
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);
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}
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putc ('\n');
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# else /* !CONFIG_SYS_FLASH_CHECKSUM */
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print_size (flash_size, "\n");
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# endif /* CONFIG_SYS_FLASH_CHECKSUM */
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bd->bi_flashsize = flash_size;
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bd->bi_flashoffset = bd->bi_flashstart + flash_size;
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} else {
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puts ("Flash init FAILED");
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bd->bi_flashstart = 0;
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bd->bi_flashsize = 0;
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bd->bi_flashoffset = 0;
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}
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#endif
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/* relocate environment function pointers etc. */
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env_relocate ();
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/* Initialize stdio devices */
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stdio_init ();
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/* Initialize the jump table for applications */
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jumptable_init();
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/* Initialize the console (after the relocation and devices init) */
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console_init_r();
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board_init();
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/* Initialize from environment */
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load_addr = getenv_ulong("loadaddr", 16, load_addr);
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#if defined(CONFIG_CMD_NET)
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printf("Net: ");
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eth_initialize(gd->bd);
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uchar enetaddr[6];
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eth_getenv_enetaddr("ethaddr", enetaddr);
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printf("MAC: %pM\n", enetaddr);
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#endif
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/* main_loop */
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for (;;) {
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WATCHDOG_RESET ();
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main_loop ();
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}
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}
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void hang (void)
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{
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puts ("### ERROR ### Please RESET the board ###\n");
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for (;;) ;
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}
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