3a1a18ff18
This is a relatively low-cost x86 board in a small form factor. The main peripherals are uSD, USB, HDMI, Ethernet and SATA. It uses an Atom 3800 series CPU. So far only the dual core 2GB variant is supported. This uses the existing FSP support. Binary blobs are required to make this board work. The microcode update is included as a patch (all 3000 lines of it). Change-Id: I0088c47fe87cf08ae635b343d32c332269062156 Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.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.arm-caches | ||
README.ARM-memory-map | ||
README.arm-relocation | ||
README.arm64 | ||
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.clang | ||
README.commands | ||
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README.davinci | ||
README.davinci.nand_spl | ||
README.displaying-bmps | ||
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README.fdt-control | ||
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README.kconfig | ||
README.kwbimage | ||
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README.link-local | ||
README.lynxkdi | ||
README.m68k | ||
README.m54418twr | ||
README.malta | ||
README.marubun-pcmcia | ||
README.memory-test | ||
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README.Modem | ||
README.mpc5xx | ||
README.mpc74xx | ||
README.mpc83xx.ddrecc | ||
README.mpc83xxads | ||
README.mpc85xx | ||
README.mpc85xx-sd-spi-boot | ||
README.mpc85xx-spin-table | ||
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README.mpc85xxcds | ||
README.MPC866 | ||
README.mxc_hab | ||
README.mxc_ocotp | ||
README.mxs | ||
README.mxsimage | ||
README.N1213 | ||
README.nand | ||
README.nand-boot-ppc440 | ||
README.NDS32 | ||
README.ne2000 | ||
README.NetConsole | ||
README.nokia_rx51 | ||
README.odroid | ||
README.OFT | ||
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README.ppc440 | ||
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README.srio-pcie-boot-corenet | ||
README.standalone | ||
README.switch_config | ||
README.t1040-l2switch | ||
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README.trace | ||
README.ubi | ||
README.ublimage | ||
README.unaligned-memory-access.txt | ||
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README.usb | ||
README.vf610 | ||
README.video | ||
README.VLAN | ||
README.VSC3316-3308 | ||
README.vxworks | ||
README.watchdog | ||
README.x86 | ||
README.zfs | ||
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