- 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>master
Aneesh V
14 years ago
committed by
U-Boot
parent
033ca72438
commit
bcae721162
@ -0,0 +1,82 @@ |
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/*
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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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@ -0,0 +1,62 @@ |
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/* |
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* (C) Copyright 2002 |
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* Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> |
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* |
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* (C) Copyright 2010 |
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* Texas Instruments, <www.ti.com> |
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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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MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ |
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LENGTH = CONFIG_SPL_MAX_SIZE } |
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MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ |
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LENGTH = CONFIG_SPL_BSS_MAX_SIZE } |
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |
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OUTPUT_ARCH(arm) |
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ENTRY(_start) |
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SECTIONS |
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{ |
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.text : |
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{ |
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__start = .; |
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arch/arm/cpu/armv7/start.o (.text) |
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*(.text*) |
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} >.sram |
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. = ALIGN(4); |
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.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram |
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. = ALIGN(4); |
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.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram |
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. = ALIGN(4); |
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__image_copy_end = .; |
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_end = .; |
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.bss : |
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{ |
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. = ALIGN(4); |
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__bss_start = .; |
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*(.bss*) |
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. = ALIGN(4); |
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__bss_end__ = .; |
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} >.sdram |
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} |
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@ -1,31 +0,0 @@ |
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#
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# (C) Copyright 2006-2009
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# Texas Instruments Incorporated, <www.ti.com>
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#
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# OMAP 4430 SDP
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# see http://www.ti.com/ for more information on Texas Instruments
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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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# SDRAM Address Space:
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# 8000'0000 - 9fff'ffff (512 MB)
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# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
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# (mem base + reserved)
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CONFIG_SYS_TEXT_BASE = 0x80e80000
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@ -1,31 +0,0 @@ |
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#
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# (C) Copyright 2006-2009
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# Texas Instruments Incorporated, <www.ti.com>
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#
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# OMAP 4430 SDP
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# see http://www.ti.com/ for more information on Texas Instruments
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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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# SDRAM Address Space:
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# 8000'0000 - 9fff'ffff (512 MB)
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# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000
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# (mem base + reserved)
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CONFIG_SYS_TEXT_BASE = 0x80e80000
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