This format can be flashed directly at address 0 of the NAND FLASH, as it contains all necessary headers.
Signed-off-by: Albert ARIBAUD (3ADEV) albert.aribaud@3adev.fr ---
Makefile | 6 ++ arch/arm/config.mk | 3 + arch/arm/cpu/armv7/vf610/Makefile | 5 ++ common/image.c | 1 + include/configs/pcm052.h | 14 ++-- include/image.h | 1 + tools/Makefile | 1 + tools/vybridimage.c | 164 ++++++++++++++++++++++++++++++++++++++ 8 files changed, 187 insertions(+), 8 deletions(-) create mode 100644 tools/vybridimage.c
diff --git a/Makefile b/Makefile index c30f90a..75c74d5 100644 --- a/Makefile +++ b/Makefile @@ -844,6 +844,12 @@ endif %.imx: %.bin $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
+%.vyb: %.imx + $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ + +quiet_cmd_copy = COPY $@ + cmd_copy = cp $< $@ + u-boot.dtb: dts/dt.dtb $(call cmd,copy)
diff --git a/arch/arm/config.mk b/arch/arm/config.mk index 8f85862..542b897 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -144,4 +144,7 @@ else ALL-y += u-boot.imx endif endif +ifneq ($(CONFIG_VF610),) +ALL-y += u-boot.vyb +endif endif diff --git a/arch/arm/cpu/armv7/vf610/Makefile b/arch/arm/cpu/armv7/vf610/Makefile index 68cb756..2945377 100644 --- a/arch/arm/cpu/armv7/vf610/Makefile +++ b/arch/arm/cpu/armv7/vf610/Makefile @@ -6,3 +6,8 @@
obj-y += generic.o obj-y += timer.o + +MKIMAGEFLAGS_u-boot.vyb = -T vybridimage + +u-boot.vyb: u-boot.imx + $(call if_changed,mkimage) diff --git a/common/image.c b/common/image.c index a5d19ab..c0ad36a 100644 --- a/common/image.c +++ b/common/image.c @@ -161,6 +161,7 @@ static const table_entry_t uimage_type[] = { { IH_TYPE_RKIMAGE, "rkimage", "Rockchip Boot Image" }, { IH_TYPE_RKSD, "rksd", "Rockchip SD Boot Image" }, { IH_TYPE_RKSPI, "rkspi", "Rockchip SPI Boot Image" }, + { IH_TYPE_VYBRIDIMAGE, "vybridimage", "Vybrid Boot Image", }, { IH_TYPE_ZYNQIMAGE, "zynqimage", "Xilinx Zynq Boot Image" }, { IH_TYPE_ZYNQMPIMAGE, "zynqmpimage", "Xilinx ZynqMP Boot Image" }, { IH_TYPE_FPGA, "fpga", "FPGA Image" }, diff --git a/include/configs/pcm052.h b/include/configs/pcm052.h index 1858662..cd235cc 100644 --- a/include/configs/pcm052.h +++ b/include/configs/pcm052.h @@ -120,9 +120,8 @@ #define CONFIG_EXTRA_ENV_SETTINGS \ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \ - "blimg_file=u-boot.imx\0" \ - "blsec_addr=0x81000000\0" \ - "blimg_addr=0x81000400\0" \ + "blimg_file=u-boot.vyb\0" \ + "blimg_addr=0x81000000\0" \ "kernel_file=zImage\0" \ "kernel_addr=0x82000000\0" \ "fdt_file=zImage.dtb\0" \ @@ -164,12 +163,11 @@ "nand read ${kernel_addr} kernel; " \ "nand read ${ram_addr} root; " \ "bootz ${kernel_addr} ${ram_addr} ${fdt_addr}\0" \ - "update_bootloader_from_tftp=mtdparts default; " \ - "nand read ${blsec_addr} bootloader; " \ - "mw.b ${blimg_addr} 0xff 0x5FC00; " \ - "if tftp ${blimg_addr} ${tftpdir}${blimg_file}; then " \ + "update_bootloader_from_tftp=if tftp ${blimg_addr} "\ + "${tftpdir}${blimg_file}; then " \ + "mtdparts default; " \ "nand erase.part bootloader; " \ - "nand write ${blsec_addr} bootloader ${filesize}; fi\0" \ + "nand write ${blimg_addr} bootloader ${filesize}; fi\0" \ "update_kernel_from_sd=if fatload mmc 0:2 ${kernel_addr} " \ "${kernel_file}; " \ "then mtdparts default; " \ diff --git a/include/image.h b/include/image.h index 64da722..2b1296c 100644 --- a/include/image.h +++ b/include/image.h @@ -278,6 +278,7 @@ enum { IH_TYPE_ZYNQIMAGE, /* Xilinx Zynq Boot Image */ IH_TYPE_ZYNQMPIMAGE, /* Xilinx ZynqMP Boot Image */ IH_TYPE_FPGA, /* FPGA Image */ + IH_TYPE_VYBRIDIMAGE, /* VYBRID .vyb Image */
IH_TYPE_COUNT, /* Number of image types */ }; diff --git a/tools/Makefile b/tools/Makefile index 421414b..e6f7993 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -89,6 +89,7 @@ dumpimage-mkimage-objs := aisimage.o \ os_support.o \ pblimage.o \ pbl_crc32.o \ + vybridimage.o \ $(ROCKCHIP_OBS) \ socfpgaimage.o \ lib/sha1.o \ diff --git a/tools/vybridimage.c b/tools/vybridimage.c new file mode 100644 index 0000000..a31fc10 --- /dev/null +++ b/tools/vybridimage.c @@ -0,0 +1,164 @@ +/* + * Image manipulator for Vybrid SoCs + * + * Derived from vybridimage.c + * + * (C) Copyright 2016 DENX Software Engineering GmbH + * Written-by: Albert ARIBAUD albert.aribaud@3adev.fr + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include "imagetool.h" +#include <compiler.h> +#include <image.h> + +/* + * NAND page 0 boot header + */ + +struct nand_page_0_boot_header { + union { + uint32_t fcb[128]; + uint8_t fcb_bytes[512]; + }; /* 0x00000000 - 0x000001ff */ + uint8_t sw_ecc[512]; /* 0x00000200 - 0x000003ff */ + uint32_t padding[65280]; /* 0x00000400 - 0x0003ffff */ + uint8_t ivt_prefix[1024]; /* 0x00040000 - 0x000403ff */ +}; + +/* signature byte for a readable block */ + +static struct nand_page_0_boot_header vybridimage_header; + +static int vybridimage_check_image_types(uint8_t type) +{ + if (type == IH_TYPE_VYBRIDIMAGE) + return EXIT_SUCCESS; + return EXIT_FAILURE; +} + +static uint8_t vybridimage_sw_ecc(uint8_t byte) +{ + uint8_t bit0 = (byte & (1 << 0)) ? 1 : 0; + uint8_t bit1 = (byte & (1 << 1)) ? 1 : 0; + uint8_t bit2 = (byte & (1 << 2)) ? 1 : 0; + uint8_t bit3 = (byte & (1 << 3)) ? 1 : 0; + uint8_t bit4 = (byte & (1 << 4)) ? 1 : 0; + uint8_t bit5 = (byte & (1 << 5)) ? 1 : 0; + uint8_t bit6 = (byte & (1 << 6)) ? 1 : 0; + uint8_t bit7 = (byte & (1 << 7)) ? 1 : 0; + uint8_t res = 0; + + res |= ((bit6 ^ bit5 ^ bit3 ^ bit2) << 0); + res |= ((bit7 ^ bit5 ^ bit4 ^ bit2 ^ bit1) << 1); + res |= ((bit7 ^ bit6 ^ bit5 ^ bit1 ^ bit0) << 2); + res |= ((bit7 ^ bit4 ^ bit3 ^ bit0) << 3); + res |= ((bit6 ^ bit4 ^ bit3 ^ bit2 ^ bit1 ^ bit0) << 4); + + return res; +} + +static int vybridimage_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; + int idx; + + if (hdr->fcb[1] != 0x46434220) + return -1; + if (hdr->fcb[2] != 1) + return -1; + if (hdr->fcb[7] != 64) + return -1; + if (hdr->fcb[14] != 6) + return -1; + if (hdr->fcb[30] != 0x0001ff00) + return -1; + if (hdr->fcb[43] != 1) + return -1; + if (hdr->fcb[54] != 0) + return -1; + if (hdr->fcb[55] != 8) + return -1; + + /* check software ECC */ + for (idx = 0; idx < sizeof(hdr->fcb_bytes); idx++) { + uint8_t sw_ecc = vybridimage_sw_ecc(hdr->fcb_bytes[idx]); + if (sw_ecc != hdr->sw_ecc[idx]) + return -1; + } + + return 0; +} + +static void vybridimage_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; + int idx; + + /* fill header with 0x00 for first 56 entries then 0xff */ + memset(&hdr->fcb[0], 0x0, 56*sizeof(uint32_t)); + memset(&hdr->fcb[56], 0xff, 72*sizeof(uint32_t)); + /* fill SW ecc and padding with 0xff */ + memset(&hdr->sw_ecc[0], 0xff, sizeof(hdr->sw_ecc)); + memset(&hdr->padding[0], 0xff, sizeof(hdr->padding)); + /* fill IVT prefix with 0x00 */ + memset(&hdr->ivt_prefix[0], 0x00, sizeof(hdr->ivt_prefix)); + + /* populate fcb */ + hdr->fcb[1] = 0x46434220; /* signature */ + hdr->fcb[2] = 0x00000001; /* version */ + hdr->fcb[5] = 2048; /* page size */ + hdr->fcb[6] = (2048+64); /* page + OOB size */ + hdr->fcb[7] = 64; /* pages per block */ + hdr->fcb[14] = 6; /* ECC mode 6 */ + hdr->fcb[26] = 128; /* fw address (0x40000) in 2K pages */ + hdr->fcb[27] = 128; /* fw address (0x40000) in 2K pages */ + hdr->fcb[30] = 0x0001ff00; /* DBBT search area start address */ + hdr->fcb[33] = 2048; /* BB marker physical offset */ + hdr->fcb[43] = 1; /* DISBBM */ + hdr->fcb[54] = 0; /* DISBB_Search */ + hdr->fcb[55] = 8; /* Bad block search limit */ + + /* compute software ECC */ + for (idx = 0; idx < sizeof(hdr->fcb_bytes); idx++) + hdr->sw_ecc[idx] = vybridimage_sw_ecc(hdr->fcb_bytes[idx]); +} + +static void vybridimage_print_hdr_field(struct nand_page_0_boot_header *hdr, + int idx) +{ + printf("header.fcb[%d] = %08x\n", idx, hdr->fcb[idx]); +} + +static void vybridimage_print_header(const void *ptr) +{ + struct nand_page_0_boot_header *hdr = + (struct nand_page_0_boot_header *)ptr; + int idx; + + for (idx = 0; idx < 56; idx++) + vybridimage_print_hdr_field(hdr, idx); +} + +/* + * vybridimage parameters + */ +U_BOOT_IMAGE_TYPE( + vybridimage, + "Vybrid Boot Image", + sizeof(vybridimage_header), + (void *)&vybridimage_header, + NULL, + vybridimage_verify_header, + vybridimage_print_header, + vybridimage_set_header, + NULL, + vybridimage_check_image_types, + NULL, + NULL +);