Signed-off-by: John Rigby john.rigby@linaro.org --- common/image.c | 1 + include/image.h | 1 + tools/Makefile | 2 + tools/mkimage.c | 2 + tools/omapimage.c | 226 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tools/omapimage.h | 50 ++++++++++++ 6 files changed, 282 insertions(+), 0 deletions(-) create mode 100644 tools/omapimage.c create mode 100644 tools/omapimage.h
diff --git a/common/image.c b/common/image.c index f63a2ff..4198d76 100644 --- a/common/image.c +++ b/common/image.c @@ -141,6 +141,7 @@ static const table_entry_t uimage_type[] = { { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, + { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP CH/GP Boot Image",}, { -1, "", "", }, };
diff --git a/include/image.h b/include/image.h index 005e0d2..f74e2b9 100644 --- a/include/image.h +++ b/include/image.h @@ -157,6 +157,7 @@ #define IH_TYPE_FLATDT 8 /* Binary Flat Device Tree Blob */ #define IH_TYPE_KWBIMAGE 9 /* Kirkwood Boot Image */ #define IH_TYPE_IMXIMAGE 10 /* Freescale IMXBoot Image */ +#define IH_TYPE_OMAPIMAGE 11 /* TI OMAP Config Header Image */
/* * Compression Types diff --git a/tools/Makefile b/tools/Makefile index 623f908..a1c4ed7 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -84,6 +84,7 @@ OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o OBJ_FILES-$(CONFIG_INCA_IP) += inca-swap-bytes.o NOPED_OBJ_FILES-y += kwbimage.o NOPED_OBJ_FILES-y += imximage.o +NOPED_OBJ_FILES-y += omapimage.o NOPED_OBJ_FILES-y += mkimage.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o NOPED_OBJ_FILES-y += os_support.o @@ -180,6 +181,7 @@ $(obj)mkimage$(SFX): $(obj)crc32.o \ $(obj)fit_image.o \ $(obj)image.o \ $(obj)imximage.o \ + $(obj)omapimage.o \ $(obj)kwbimage.o \ $(obj)md5.o \ $(obj)mkimage.o \ diff --git a/tools/mkimage.c b/tools/mkimage.c index f5859d7..e2490c4 100644 --- a/tools/mkimage.c +++ b/tools/mkimage.c @@ -155,6 +155,8 @@ main (int argc, char **argv) init_imx_image_type (); /* Init FIT image generation/list support */ init_fit_image_type (); + /* Init TI OMAP Boot image generation/list support */ + init_omap_image_type (); /* Init Default image generation/list support */ init_default_image_type ();
diff --git a/tools/omapimage.c b/tools/omapimage.c new file mode 100644 index 0000000..87be869 --- /dev/null +++ b/tools/omapimage.c @@ -0,0 +1,226 @@ +/* + * (C) Copyright 2010 + * Linaro LTD, www.linaro.org + * Author: John Rigby john.rigby@linaro.org + * Based on TI's signGP.c + * + * (C) Copyright 2009 + * Stefano Babic, DENX Software Engineering, sbabic@denx.de. + * + * (C) Copyright 2008 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar prafulla@marvell.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* Required to obtain the getline prototype from stdio.h */ +#define _GNU_SOURCE + +#include "mkimage.h" +#include <image.h> +#include "omapimage.h" + +/* Header size is CH header rounded up to 512 bytes plus GP header */ +#define OMAP_CH_HDR_SIZE 512 +#define OMAP_GP_HDR_SIZE (sizeof(struct gp_header)) +#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE+OMAP_GP_HDR_SIZE) + +static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE]; + +static int omapimage_check_image_types(uint8_t type) +{ + if (type == IH_TYPE_OMAPIMAGE) + return EXIT_SUCCESS; + else + return EXIT_FAILURE; +} + +/* + * Only the simplest image type is currently supported: + * TOC pointing to CHSETTINGS + * TOC terminator + * CHSETTINGS + * + * padding to OMAP_CH_HDR_SIZE bytes + * + * gp header + * size + * load_addr + */ +static int valid_gph_size(uint32_t size) +{ + return size; +} + +static int valid_gph_load_addr(uint32_t load_addr) +{ + return load_addr; +} + +static int omapimage_verify_header(unsigned char *ptr, int image_size, + struct mkimage_params *params) +{ + struct ch_toc *toc = (struct ch_toc *)ptr; + struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); + uint32_t offset, size; + + while (toc->section_offset != 0xffffffff + && toc->section_size != 0xffffffff) { + offset = toc->section_offset; + size = toc->section_size; + if (!offset || !size) + return -1; + if (offset >= OMAP_CH_HDR_SIZE || offset+size >= OMAP_CH_HDR_SIZE) + return -1; + toc++; + } + if (!valid_gph_size(gph->size)) + return -1; + if (!valid_gph_load_addr(gph->load_addr)) + return -1; + + return 0; +} + +static void omapimage_print_section(struct ch_settings *chs) +{ + switch (chs->section_key) { + case KEY_CHSETTINGS: + printf("CHSETTINGS (%x) " + "valid:%x " + "version:%x " + "reserved:%x " + "flags:%x\n", + chs->section_key, + chs->valid, + chs->version, + chs->reserved, + chs->flags); + break; + default: + printf("UNKNOWNKEY (%x) " + "valid:%x " + "version:%x " + "reserved:%x " + "flags:%x\n", + chs->section_key, + chs->valid, + chs->version, + chs->reserved, + chs->flags); + break; + } +} + +static void omapimage_print_header(const void *ptr) +{ + struct ch_toc *toc = (struct ch_toc *)ptr; + struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); + uint32_t offset, size; + + while (toc->section_offset != 0xffffffff + && toc->section_size != 0xffffffff) { + offset = toc->section_offset; + size = toc->section_size; + + if (offset >= OMAP_CH_HDR_SIZE || offset+size >= OMAP_CH_HDR_SIZE) + exit(EXIT_FAILURE); + + printf("Section %s offset %x length %x\n", + toc->section_name, + toc->section_offset, + toc->section_size); + + omapimage_print_section((struct ch_settings *)(ptr+offset)); + toc++; + } + + if (!valid_gph_size(gph->size)) { + fprintf(stderr, + "Error: invalid image size %x\n", + gph->size); + exit(EXIT_FAILURE); + } + + if (!valid_gph_load_addr(gph->load_addr)) { + fprintf(stderr, + "Error: invalid image load address %x\n", + gph->size); + exit(EXIT_FAILURE); + } + + printf("GP Header: Size %x LoadAddr %x\n", + gph->size, gph->load_addr); +} + +static int toc_offset(void *hdr, void *member) +{ + return member - hdr; +} + +static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd, + struct mkimage_params *params) +{ + struct ch_toc *toc = (struct ch_toc *)ptr; + struct ch_settings *chs = (struct ch_settings *)(ptr + 2 * sizeof(*toc)); + struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE); + + toc->section_offset = toc_offset(ptr, chs); + toc->section_size = sizeof(struct ch_settings); + strcpy((char *)toc->section_name, "CHSETTINGS"); + + chs->section_key = KEY_CHSETTINGS; + chs->valid = 0; + chs->version = 1; + chs->reserved = 0; + chs->flags = 0; + + toc++; + memset(toc, 0xff, sizeof(*toc)); + + gph->size = sbuf->st_size - OMAP_FILE_HDR_SIZE; + gph->load_addr = params->addr; +} + +int omapimage_check_params(struct mkimage_params *params) +{ + return ((params->dflag && (params->fflag || params->lflag)) || + (params->fflag && (params->dflag || params->lflag)) || + (params->lflag && (params->dflag || params->fflag))); +} + +/* + * omapimage parameters + */ +static struct image_type_params omapimage_params = { + .name = "TI OMAP CH/GP Boot Image support", + .header_size = OMAP_FILE_HDR_SIZE, + .hdr = (void *)&omapimage_header, + .check_image_type = omapimage_check_image_types, + .verify_header = omapimage_verify_header, + .print_header = omapimage_print_header, + .set_header = omapimage_set_header, + .check_params = omapimage_check_params, +}; + +void init_omap_image_type(void) +{ + mkimage_register(&omapimage_params); +} diff --git a/tools/omapimage.h b/tools/omapimage.h new file mode 100644 index 0000000..7ff5404 --- /dev/null +++ b/tools/omapimage.h @@ -0,0 +1,50 @@ +/* + * (C) Copyright 2010 + * Linaro LTD, www.linaro.org + * Author John Rigby john.rigby@linaro.org + * Based on TI's signGP.c + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _OMAPIMAGE_H_ +#define _OMAPIMAGE_H_ + +struct ch_toc { + uint32_t section_offset; + uint32_t section_size; + uint8_t unused[12]; + uint8_t section_name[12]; +} __attribute__ ((__packed__)); + +struct ch_settings { + uint32_t section_key; + uint8_t valid; + uint8_t version; + uint16_t reserved; + uint32_t flags; +} __attribute__ ((__packed__)); + +struct gp_header { + uint32_t size; + uint32_t load_addr; +} __attribute__ ((__packed__)); + +#define KEY_CHSETTINGS 0xC0C0C0C1 +#endif /* _OMAPIMAGE_H_ */