[U-Boot] [PATCH 4/6] tools: mkimage: add support for Vybrid image format
Albert ARIBAUD (3ADEV)
albert.aribaud at 3adev.fr
Mon Sep 26 09:08:06 CEST 2016
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 at 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 at 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
+);
--
2.9.3
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