mirror of
https://github.com/AsahiLinux/u-boot
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bcae721162
- Provide alternate implementations of board_init_f() board_init_r() for OMAP spl. - Provide linker script - Initialize global data - Add serial console support - Update CONFIG_SYS_TEXT_BASE to allow for SPL's bss and move it to board config header from config.mk Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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*
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* Aneesh V <aneesh@ti.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 <asm/u-boot.h>
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#include <asm/arch/sys_proto.h>
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#include <timestamp_autogenerated.h>
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#include <version_autogenerated.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Define global data structure pointer to it*/
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static gd_t gdata __attribute__ ((section(".data")));
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static bd_t bdata __attribute__ ((section(".data")));
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inline 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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}
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void board_init_f(ulong dummy)
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{
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/*
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* We call relocate_code() with relocation target same as the
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* CONFIG_SYS_SPL_TEXT_BASE. This will result in relocation getting
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* skipped. Instead, only .bss initialization will happen. That's
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* all we need
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*/
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debug(">>board_init_f()\n");
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relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE);
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}
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void board_init_r(gd_t *id, ulong dummy)
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{
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for (;;)
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;
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}
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void preloader_console_init(void)
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{
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const char *u_boot_rev = U_BOOT_VERSION;
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char rev_string_buffer[50];
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gd = &gdata;
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gd->bd = &bdata;
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gd->flags |= GD_FLG_RELOC;
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gd->baudrate = CONFIG_BAUDRATE;
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setup_clocks_for_console();
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serial_init(); /* serial communications setup */
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/* Avoid a second "U-Boot" coming from this string */
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u_boot_rev = &u_boot_rev[7];
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printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE,
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U_BOOT_TIME);
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omap_rev_string(rev_string_buffer);
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printf("Texas Instruments %s\n", rev_string_buffer);
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}
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