diff options
Diffstat (limited to 'scripts/signGP.c')
| -rw-r--r-- | scripts/signGP.c | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/scripts/signGP.c b/scripts/signGP.c new file mode 100644 index 0000000..963a937 --- /dev/null +++ b/scripts/signGP.c @@ -0,0 +1,300 @@ +/** + * signGP.c - Read the x-load.bin file and write out the x-load.bin.ift file + * + * The signed image is the original pre-pended with the size of the image + * and the load address. If not entered on command line, file name is + * assumed to be x-load.bin in current directory and load address is + * 0x40200800. + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <string.h> +#include <malloc.h> +#include <linux/types.h> + +#undef CH_WITH_CHRAM +struct chsettings { + __u32 section_key; + __u8 valid; + __u8 version; + __u16 reserved; + __u32 flags; +} __attribute__ ((__packed__)); + +/* __u32 cm_clksel_core; + __u32 reserved1; + __u32 cm_autoidle_dpll_mpu; + __u32 cm_clksel_dpll_mpu; + __u32 cm_div_m2_dpll_mpu; + __u32 cm_autoidle_dpll_core; + __u32 cm_clksel_dpll_core; + __u32 cm_div_m2_dpll_core; + __u32 cm_div_m3_dpll_core; + __u32 cm_div_m4_dpll_core; + __u32 cm_div_m5_dpll_core; + __u32 cm_div_m6_dpll_core; + __u32 cm_div_m7_dpll_core; + __u32 cm_autoidle_dpll_per; + __u32 cm_clksel_dpll_per; + __u32 cm_div_m2_dpll_per; + __u32 cm_div_m3_dpll_per; + __u32 cm_div_m4_dpll_per; + __u32 cm_div_m5_dpll_per; + __u32 cm_div_m6_dpll_per; + __u32 cm_div_m7_dpll_per; + __u32 cm_autoidle_dpll_usb; + __u32 cm_clksel_dpll_usb; + __u32 cm_div_m2_dpll_usb; +}*/ + +struct gp_header { + __u32 size; + __u32 load_addr; +} __attribute__ ((__packed__)); + +struct ch_toc { + __u32 section_offset; + __u32 section_size; + __u8 unused[12]; + __u8 section_name[12]; +} __attribute__ ((__packed__)); + +struct chram { + /* CHRAM */ + __u32 section_key_chr; + __u8 section_disable_chr; + __u8 pad_chr[3]; + /* EMIF1 */ + __u32 config_emif1; + __u32 refresh_emif1; + __u32 tim1_emif1; + __u32 tim2_emif1; + __u32 tim3_emif1; + __u32 pwrControl_emif1; + __u32 phy_cntr1_emif1; + __u32 phy_cntr2_emif1; + __u8 modereg1_emif1; + __u8 modereg2_emif1; + __u8 modereg3_emif1; + __u8 pad_emif1; + /* EMIF2 */ + __u32 config_emif2; + __u32 refresh_emif2; + __u32 tim1_emif2; + __u32 tim2_emif2; + __u32 tim3_emif2; + __u32 pwrControl_emif2; + __u32 phy_cntr1_emif2; + __u32 phy_cntr2_emif2; + __u8 modereg1_emif2; + __u8 modereg2_emif2; + __u8 modereg3_emif2; + __u8 pad_emif2; + + __u32 dmm_lisa_map; + __u8 flags; + __u8 pad[3]; +} __attribute__ ((__packed__)); + + +struct ch_chsettings_chram { + struct ch_toc toc_chsettings; + struct ch_toc toc_chram; + struct ch_toc toc_terminator; + struct chsettings section_chsettings; + struct chram section_chram; + __u8 padding1[512 - + (sizeof(struct ch_toc) * 3 + + sizeof(struct chsettings) + sizeof(struct chram))]; + /* struct gp_header gpheader; */ +} __attribute__ ((__packed__)); + +struct ch_chsettings_nochram { + struct ch_toc toc_chsettings; + struct ch_toc toc_terminator; + struct chsettings section_chsettings; + __u8 padding1[512 - + (sizeof(struct ch_toc) * 2 + + sizeof(struct chsettings))]; + /* struct gp_header gpheader; */ +} __attribute__ ((__packed__)); + + +#ifdef CH_WITH_CHRAM +static const struct ch_chsettings_chram config_header = { + /* CHSETTINGS TOC */ + {sizeof(struct ch_toc) * 4, + sizeof(struct chsettings), + "", + {"CHSETTINGS"} + }, + /* CHRAM TOC */ + {sizeof(struct ch_toc) * 4 + sizeof(struct chsettings), + sizeof(struct chram), + "", + {"CHRAM"} + }, + /* toc terminator */ + {0xFFFFFFFF, + 0xFFFFFFFF, + {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF}, + {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF} + }, + /* CHSETTINGS section */ + { + 0xC0C0C0C1, + 0, + 1, + 0, + 0}, + /* CHRAM section */ + { + 0xc0c0c0c2, + 0x01, + {0x00, 0x00, 0x00}, + + /* EMIF1 */ + 0x80800eb2, + 0x00000010, + 0x110d1624, + 0x3058161b, + 0x030060b2, + 0x00000200, + 0x901ff416, + 0x00000000, + 0x23, + 0x01, + 0x02, + 0x00, + + /* EMIF2 */ + 0x80800eb2, + 0x000002ba, + 0x110d1624, + 0x3058161b, + 0x03006542, + 0x00000200, + 0x901ff416, + 0x00000000, + 0x23, + 0x01, + 0x02, + 0x00, + + /* LISA map */ + 0x80700100, + 0x05, + {0x00, 0x00, 0x00}, + }, + "" +}; +#else +static struct ch_chsettings_nochram config_header + __attribute__((section(".config_header"))) = { + /* CHSETTINGS TOC */ + {(sizeof(struct ch_toc)) * 2, + sizeof(struct chsettings), + "", + {"CHSETTINGS"} + }, + /* toc terminator */ + {0xFFFFFFFF, + 0xFFFFFFFF, + {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF}, + {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF} + }, + /* CHSETTINGS section */ + { + 0xC0C0C0C1, + 0, + 1, + 0, + 0}, + "" +}; +#endif + + +int main(int argc, char *argv[]) +{ + int i; + char ifname[FILENAME_MAX], ofname[FILENAME_MAX], ch; + FILE *ifile, *ofile; + unsigned long loadaddr, len; + struct stat sinfo; + + + /* Default to x-load.bin and 0x40200800. */ + strcpy(ifname, "x-load.bin"); + loadaddr = 0x40200800; + + if ((argc == 2) || (argc == 3)) + strcpy(ifname, argv[1]); + + if (argc == 3) + loadaddr = strtoul(argv[2], NULL, 16); + + /* Form the output file name. */ + strcpy(ofname, ifname); + strcat(ofname, ".ift"); + + /* Open the input file. */ + ifile = fopen(ifname, "rb"); + if (ifile == NULL) { + printf("Cannot open %s\n", ifname); + return 1; + } + + /* Get file length. */ + stat(ifname, &sinfo); + len = sinfo.st_size; + + /* Open the output file and write it. */ + ofile = fopen(ofname, "wb"); + if (ofile == NULL) { + printf("Cannot open %s\n", ofname); + fclose(ifile); + return 1; + } + + /* Pad 1 sector of zeroes. */ +#if 0 + ch = 0x00; + for (i = 0; i < 0x200; i++) + fwrite(&ch, 1, 1, ofile); +#endif + + fwrite(&config_header, 1, 512, ofile); + fwrite(&len, 1, 4, ofile); + fwrite(&loadaddr, 1, 4, ofile); + for (i = 0; i < len; i++) { + fread(&ch, 1, 1, ifile); + fwrite(&ch, 1, 1, ofile); + } + + fclose(ifile); + fclose(ofile); + + return 0; +} |