- Add mkimage support for OMAP boot image - Add support for OMAP boot image(MLO) generation in the new SPL framework Signed-off-by: John Rigby <john.rigby@linaro.org> Signed-off-by: Aneesh V <aneesh@ti.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>master
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#
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# Copyright 2011 Linaro Limited
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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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# (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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# 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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ifdef CONFIG_SPL_BUILD |
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ALL-y += $(OBJTREE)/MLO
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else |
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ALL-y += $(obj)u-boot.img
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endif |
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/*
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* (C) Copyright 2010 |
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* Linaro LTD, www.linaro.org |
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* Author: John Rigby <john.rigby@linaro.org> |
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* Based on TI's signGP.c |
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* |
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* (C) Copyright 2009 |
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* Stefano Babic, DENX Software Engineering, sbabic@denx.de. |
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* |
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* (C) Copyright 2008 |
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* Marvell Semiconductor <www.marvell.com> |
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* Written-by: Prafulla Wadaskar <prafulla@marvell.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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/* Required to obtain the getline prototype from stdio.h */ |
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#define _GNU_SOURCE |
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#include "mkimage.h" |
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#include <image.h> |
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#include "omapimage.h" |
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/* Header size is CH header rounded up to 512 bytes plus GP header */ |
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#define OMAP_CH_HDR_SIZE 512 |
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#define OMAP_GP_HDR_SIZE (sizeof(struct gp_header)) |
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#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE+OMAP_GP_HDR_SIZE) |
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static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE]; |
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static int omapimage_check_image_types(uint8_t type) |
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{ |
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if (type == IH_TYPE_OMAPIMAGE) |
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return EXIT_SUCCESS; |
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else { |
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fprintf(stderr, "Unknown OMAP image type - %x", type); |
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return EXIT_FAILURE; |
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} |
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} |
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/*
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* Only the simplest image type is currently supported: |
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* TOC pointing to CHSETTINGS |
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* TOC terminator |
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* CHSETTINGS |
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* |
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* padding to OMAP_CH_HDR_SIZE bytes |
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* |
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* gp header |
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* size |
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* load_addr |
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*/ |
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static int valid_gph_size(uint32_t size) |
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{ |
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return size; |
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} |
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static int valid_gph_load_addr(uint32_t load_addr) |
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{ |
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return load_addr; |
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} |
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static int omapimage_verify_header(unsigned char *ptr, int image_size, |
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struct mkimage_params *params) |
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{ |
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struct ch_toc *toc = (struct ch_toc *)ptr; |
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struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); |
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uint32_t offset, size; |
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while (toc->section_offset != 0xffffffff |
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&& toc->section_size != 0xffffffff) { |
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offset = toc->section_offset; |
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size = toc->section_size; |
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if (!offset || !size) |
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return -1; |
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if (offset >= OMAP_CH_HDR_SIZE || |
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offset+size >= OMAP_CH_HDR_SIZE) |
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return -1; |
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toc++; |
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} |
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if (!valid_gph_size(gph->size)) |
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return -1; |
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if (!valid_gph_load_addr(gph->load_addr)) |
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return -1; |
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return 0; |
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} |
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static void omapimage_print_section(struct ch_settings *chs) |
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{ |
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const char *section_name; |
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if (chs->section_key) |
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section_name = "CHSETTINGS"; |
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else |
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section_name = "UNKNOWNKEY"; |
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printf("%s (%x) " |
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"valid:%x " |
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"version:%x " |
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"reserved:%x " |
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"flags:%x\n", |
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section_name, |
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chs->section_key, |
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chs->valid, |
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chs->version, |
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chs->reserved, |
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chs->flags); |
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} |
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static void omapimage_print_header(const void *ptr) |
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{ |
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const struct ch_toc *toc = (struct ch_toc *)ptr; |
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const struct gp_header *gph = |
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(struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); |
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uint32_t offset, size; |
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while (toc->section_offset != 0xffffffff |
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&& toc->section_size != 0xffffffff) { |
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offset = toc->section_offset; |
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size = toc->section_size; |
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if (offset >= OMAP_CH_HDR_SIZE || |
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offset+size >= OMAP_CH_HDR_SIZE) |
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exit(EXIT_FAILURE); |
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printf("Section %s offset %x length %x\n", |
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toc->section_name, |
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toc->section_offset, |
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toc->section_size); |
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omapimage_print_section((struct ch_settings *)(ptr+offset)); |
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toc++; |
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} |
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if (!valid_gph_size(gph->size)) { |
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fprintf(stderr, |
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"Error: invalid image size %x\n", |
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gph->size); |
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exit(EXIT_FAILURE); |
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} |
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if (!valid_gph_load_addr(gph->load_addr)) { |
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fprintf(stderr, |
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"Error: invalid image load address %x\n", |
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gph->size); |
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exit(EXIT_FAILURE); |
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} |
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printf("GP Header: Size %x LoadAddr %x\n", |
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gph->size, gph->load_addr); |
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} |
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static int toc_offset(void *hdr, void *member) |
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{ |
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return member - hdr; |
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} |
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static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd, |
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struct mkimage_params *params) |
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{ |
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struct ch_toc *toc = (struct ch_toc *)ptr; |
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struct ch_settings *chs = (struct ch_settings *) |
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(ptr + 2 * sizeof(*toc)); |
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struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE); |
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toc->section_offset = toc_offset(ptr, chs); |
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toc->section_size = sizeof(struct ch_settings); |
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strcpy((char *)toc->section_name, "CHSETTINGS"); |
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chs->section_key = KEY_CHSETTINGS; |
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chs->valid = 0; |
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chs->version = 1; |
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chs->reserved = 0; |
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chs->flags = 0; |
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toc++; |
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memset(toc, 0xff, sizeof(*toc)); |
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gph->size = sbuf->st_size - OMAP_FILE_HDR_SIZE; |
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gph->load_addr = params->addr; |
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} |
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int omapimage_check_params(struct mkimage_params *params) |
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{ |
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return (params->dflag && (params->fflag || params->lflag)) || |
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(params->fflag && (params->dflag || params->lflag)) || |
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(params->lflag && (params->dflag || params->fflag)); |
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} |
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/*
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* omapimage parameters |
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*/ |
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static struct image_type_params omapimage_params = { |
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.name = "TI OMAP CH/GP Boot Image support", |
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.header_size = OMAP_FILE_HDR_SIZE, |
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.hdr = (void *)&omapimage_header, |
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.check_image_type = omapimage_check_image_types, |
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.verify_header = omapimage_verify_header, |
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.print_header = omapimage_print_header, |
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.set_header = omapimage_set_header, |
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.check_params = omapimage_check_params, |
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}; |
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void init_omap_image_type(void) |
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{ |
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mkimage_register(&omapimage_params); |
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} |
@ -0,0 +1,50 @@ |
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/*
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* (C) Copyright 2010 |
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* Linaro LTD, www.linaro.org |
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* Author John Rigby <john.rigby@linaro.org> |
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* Based on TI's signGP.c |
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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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#ifndef _OMAPIMAGE_H_ |
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#define _OMAPIMAGE_H_ |
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struct ch_toc { |
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uint32_t section_offset; |
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uint32_t section_size; |
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uint8_t unused[12]; |
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uint8_t section_name[12]; |
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}; |
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struct ch_settings { |
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uint32_t section_key; |
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uint8_t valid; |
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uint8_t version; |
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uint16_t reserved; |
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uint32_t flags; |
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}; |
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struct gp_header { |
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uint32_t size; |
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uint32_t load_addr; |
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}; |
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#define KEY_CHSETTINGS 0xC0C0C0C1 |
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#endif /* _OMAPIMAGE_H_ */ |
Loading…
Reference in new issue