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1. esbc_validate command is meant for validating header and signature of images (Boot Script and ESBC uboot client). SHA-256 and RSA operations are performed using SEC block in HW. This command works on both PBL based and Non PBL based Freescale platforms. Command usage: esbc_validate img_hdr_addr [pub_key_hash] 2. ESBC uboot client can be linux. Additionally, rootfs and device tree blob can also be signed. 3. In the event of header or signature failure in validation, ITS and ITF bits determine further course of action. 4. In case of soft failure, appropriate error is dumped on console. 5. In case of hard failure, SoC is issued RESET REQUEST after dumping error on the console. 6. KEY REVOCATION Feature: QorIQ platforms like B4/T4 have support of srk key table and key revocation in ISBC code in Silicon. The srk key table allows the user to have a key table with multiple keys and revoke any key in case of particular key gets compromised. In case the ISBC code uses the key revocation and srk key table to verify the u-boot code, the subsequent chain of trust should also use the same. 6. ISBC KEY EXTENSION Feature: This feature allows large number of keys to be used for esbc validation of images. A set of public keys is being signed and validated by ISBC which can be further used for esbc validation of images. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com> |
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device-tree-bindings | ||
DocBook | ||
driver-model | ||
SPI | ||
SPL | ||
uImage.FIT | ||
feature-removal-schedule.txt | ||
git-mailrc | ||
I2C_Edge_Conditions | ||
kwboot.1 | ||
mkimage.1 | ||
README.440-DDR-performance | ||
README.ag102 | ||
README.AMCC-eval-boards-cleanup | ||
README.android-fastboot | ||
README.android-fastboot-protocol | ||
README.ARC | ||
README.arm64 | ||
README.arm-caches | ||
README.ARM-memory-map | ||
README.arm-relocation | ||
README.at91 | ||
README.at91-soc | ||
README.atmel_mci | ||
README.atmel_pmecc | ||
README.autoboot | ||
README.AVR32 | ||
README.AVR32-port-muxing | ||
README.b4860qds | ||
README.bedbug | ||
README.bitbangMII | ||
README.blackfin | ||
README.bootmenu | ||
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README.commands | ||
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README.ubi | ||
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README.VLAN | ||
README.VSC3316-3308 | ||
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README.zynq |
# # Xilinx ZYNQ U-Boot # # (C) Copyright 2013 Xilinx, Inc. # # SPDX-License-Identifier: GPL-2.0+ # 1. About this This document describes the information about Xilinx Zynq U-Boot - like supported boards, ML status and TODO list. 2. Zynq boards Xilinx Zynq-7000 All Programmable SoCs enable extensive system level differentiation, integration, and flexibility through hardware, software, and I/O programmability. * zc70x - zc702 (single qspi, gem0, mmc) [1] - zc706 (dual parallel qspi, gem0, mmc) [2] * zed (single qspi, gem0, mmc) [3] * microzed (single qspi, gem0, mmc) [4] * zc770 - zc770-xm010 (single qspi, gem0, mmc) - zc770-xm011 (8 or 16 bit nand) - zc770-xm012 (nor) - zc770-xm013 (dual parallel qspi, gem1) 3. Building # Configure for zc70x board $ make zynq_zc70x_config Configuring for zynq_zc70x board... # Building default dts for zc702 board $ make # Building specified dts for zc706 board $ make DEVICE_TREE=zynq-zc706 4. Bootmode Zynq has a facility to read the bootmode from the slcr bootmode register once user is setting through jumpers on the board - see page no:1546 on [5] All possible bootmode values are defined in Table 6-2:Boot_Mode MIO Pins on [5]. board_late_init() will read the bootmode values using slcr bootmode register at runtime and assign the modeboot variable to specific bootmode string which is intern used in autoboot. SLCR bootmode register Bit[3:0] values #define ZYNQ_BM_NOR 0x02 #define ZYNQ_BM_SD 0x05 #define ZYNQ_BM_JTAG 0x0 "modeboot" variable can assign any of "norboot", "sdboot" or "jtagboot" bootmode strings at runtime. 5. Mainline status - Added basic board configurations support. - Added zynq u-boot bsp code - arch/arm/cpu/armv7/zynq - Added zynq boards named - zc70x, zed, microzed, zc770_xm010, zc770_xm012, zc770_xm013 - Added zynq drivers: serial - drivers/serial/serial_zynq.c net - drivers/net/zynq_gem.c mmc - drivers/mmc/zynq_sdhci.c mmc - drivers/mmc/zynq_sdhci.c spi- drivers/spi/zynq_spi.c i2c - drivers/i2c/zynq_i2c.c - Done proper cleanups on board configurations - Added basic FDT support for zynq boards - d-cache support for zynq_gem.c 6. TODO - Add zynq boards support - zc770_xm011 - Add zynq qspi controller driver - Add zynq nand controller driver - Add FDT support on individual drivers [1] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC702-G.htm [2] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC706-G.htm [3] http://zedboard.org/product/zedboard [4] http://zedboard.org/product/microzed [5] http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000-TRM.pdf -- Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Sun Dec 15 14:52:41 IST 2013