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tools/lpc32xximage.c
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// SPDX-License-Identifier: GPL-2.0+ |
39f520bb6 lpc32xx: add lpc3... |
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/* * Image manipulator for LPC32XX SoCs * * (C) Copyright 2015 DENX Software Engineering GmbH * Written-by: Albert ARIBAUD <albert.aribaud@3adev.fr> * * Derived from omapimage.c: * * (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> |
39f520bb6 lpc32xx: add lpc3... |
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*/ #include "imagetool.h" #include <compiler.h> #include <image.h> /* * NAND page 0 boot header */ struct nand_page_0_boot_header { uint32_t data[129]; uint32_t pad[383]; }; /* * Default ICC (interface configuration data [sic]) if none specified * in board config */ #ifndef LPC32XX_BOOT_ICR #define LPC32XX_BOOT_ICR 0x00000096 #endif /* * Default boot NAND page size if none specified in board config */ #ifndef LPC32XX_BOOT_NAND_PAGESIZE #define LPC32XX_BOOT_NAND_PAGESIZE 2048 #endif /* * Default boot NAND pages per sector if none specified in board config */ #ifndef LPC32XX_BOOT_NAND_PAGES_PER_SECTOR #define LPC32XX_BOOT_NAND_PAGES_PER_SECTOR 64 #endif /* * Maximum size for boot code is 56K unless defined in board config */ #ifndef LPC32XX_BOOT_CODESIZE #define LPC32XX_BOOT_CODESIZE (56*1024) #endif /* signature byte for a readable block */ #define LPC32XX_BOOT_BLOCK_OK 0xaa static struct nand_page_0_boot_header lpc32xximage_header; static int lpc32xximage_check_image_types(uint8_t type) { if (type == IH_TYPE_LPC32XXIMAGE) return EXIT_SUCCESS; return EXIT_FAILURE; } static int lpc32xximage_verify_header(unsigned char *ptr, int image_size, struct image_tool_params *params) { struct nand_page_0_boot_header *hdr = (struct nand_page_0_boot_header *)ptr; /* turn image size from bytes to NAND pages, page 0 included */ int image_size_in_pages = ((image_size - 1) / LPC32XX_BOOT_NAND_PAGESIZE); if (hdr->data[0] != (0xff & LPC32XX_BOOT_ICR)) return -1; if (hdr->data[1] != (0xff & ~LPC32XX_BOOT_ICR)) return -1; if (hdr->data[2] != (0xff & LPC32XX_BOOT_ICR)) return -1; if (hdr->data[3] != (0xff & ~LPC32XX_BOOT_ICR)) return -1; if (hdr->data[4] != (0xff & image_size_in_pages)) return -1; if (hdr->data[5] != (0xff & ~image_size_in_pages)) return -1; if (hdr->data[6] != (0xff & image_size_in_pages)) return -1; if (hdr->data[7] != (0xff & ~image_size_in_pages)) return -1; if (hdr->data[8] != (0xff & image_size_in_pages)) return -1; if (hdr->data[9] != (0xff & ~image_size_in_pages)) return -1; if (hdr->data[10] != (0xff & image_size_in_pages)) return -1; if (hdr->data[11] != (0xff & ~image_size_in_pages)) return -1; if (hdr->data[12] != LPC32XX_BOOT_BLOCK_OK) return -1; if (hdr->data[128] != LPC32XX_BOOT_BLOCK_OK) return -1; return 0; } static void print_hdr_byte(struct nand_page_0_boot_header *hdr, int ofs) { printf("header[%d] = %02x ", ofs, hdr->data[ofs]); } static void lpc32xximage_print_header(const void *ptr) { struct nand_page_0_boot_header *hdr = (struct nand_page_0_boot_header *)ptr; int ofs; for (ofs = 0; ofs <= 12; ofs++) print_hdr_byte(hdr, ofs); print_hdr_byte(hdr, 128); } static void lpc32xximage_set_header(void *ptr, struct stat *sbuf, int ifd, struct image_tool_params *params) { struct nand_page_0_boot_header *hdr = (struct nand_page_0_boot_header *)ptr; /* turn image size from bytes to NAND pages, page 0 included */ int image_size_in_pages = ((sbuf->st_size + LPC32XX_BOOT_NAND_PAGESIZE - 1) / LPC32XX_BOOT_NAND_PAGESIZE); /* fill header -- default byte value is 0x00, not 0xFF */ memset((void *)hdr, 0, sizeof(*hdr)); hdr->data[0] = (hdr->data[2] = 0xff & LPC32XX_BOOT_ICR); hdr->data[1] = (hdr->data[3] = 0xff & ~LPC32XX_BOOT_ICR); hdr->data[4] = (hdr->data[6] = (hdr->data[8] = (hdr->data[10] = 0xff & image_size_in_pages))); hdr->data[5] = (hdr->data[7] = (hdr->data[9] = (hdr->data[11] = 0xff & ~image_size_in_pages))); hdr->data[12] = (hdr->data[128] = LPC32XX_BOOT_BLOCK_OK); } /* * lpc32xximage parameters */ U_BOOT_IMAGE_TYPE( lpc32xximage, "LPC32XX Boot Image", sizeof(lpc32xximage_header), (void *)&lpc32xximage_header, NULL, lpc32xximage_verify_header, lpc32xximage_print_header, lpc32xximage_set_header, NULL, lpc32xximage_check_image_types, NULL, NULL ); |