1*4882a593Smuzhiyun# 2*4882a593Smuzhiyun# Xilinx ZYNQ U-Boot 3*4882a593Smuzhiyun# 4*4882a593Smuzhiyun# (C) Copyright 2013 Xilinx, Inc. 5*4882a593Smuzhiyun# 6*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0+ 7*4882a593Smuzhiyun# 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun1. About this 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunThis document describes the information about Xilinx Zynq U-Boot - 12*4882a593Smuzhiyunlike supported boards, ML status and TODO list. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun2. Zynq boards 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunXilinx Zynq-7000 All Programmable SoCs enable extensive system level 17*4882a593Smuzhiyundifferentiation, integration, and flexibility through hardware, software, 18*4882a593Smuzhiyunand I/O programmability. 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun* zc702 (single qspi, gem0, mmc) [1] 21*4882a593Smuzhiyun* zc706 (dual parallel qspi, gem0, mmc) [2] 22*4882a593Smuzhiyun* zed (single qspi, gem0, mmc) [3] 23*4882a593Smuzhiyun* microzed (single qspi, gem0, mmc) [4] 24*4882a593Smuzhiyun* zc770 25*4882a593Smuzhiyun - zc770-xm010 (single qspi, gem0, mmc) 26*4882a593Smuzhiyun - zc770-xm011 (8 or 16 bit nand) 27*4882a593Smuzhiyun - zc770-xm012 (nor) 28*4882a593Smuzhiyun - zc770-xm013 (dual parallel qspi, gem1) 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun3. Building 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun ex. configure and build for zc702 board 33*4882a593Smuzhiyun $ make zynq_zc702_config 34*4882a593Smuzhiyun $ make 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun4. Bootmode 37*4882a593Smuzhiyun 38*4882a593SmuzhiyunZynq has a facility to read the bootmode from the slcr bootmode register 39*4882a593Smuzhiyunonce user is setting through jumpers on the board - see page no:1546 on [5] 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunAll possible bootmode values are defined in Table 6-2:Boot_Mode MIO Pins 42*4882a593Smuzhiyunon [5]. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyunboard_late_init() will read the bootmode values using slcr bootmode register 45*4882a593Smuzhiyunat runtime and assign the modeboot variable to specific bootmode string which 46*4882a593Smuzhiyunis intern used in autoboot. 47*4882a593Smuzhiyun 48*4882a593SmuzhiyunSLCR bootmode register Bit[3:0] values 49*4882a593Smuzhiyun#define ZYNQ_BM_NOR 0x02 50*4882a593Smuzhiyun#define ZYNQ_BM_SD 0x05 51*4882a593Smuzhiyun#define ZYNQ_BM_JTAG 0x0 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun"modeboot" variable can assign any of "norboot", "sdboot" or "jtagboot" 54*4882a593Smuzhiyunbootmode strings at runtime. 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun5. Mainline status 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun- Added basic board configurations support. 59*4882a593Smuzhiyun- Added zynq u-boot bsp code - arch/arm/cpu/armv7/zynq 60*4882a593Smuzhiyun- Added zynq boards named - zc70x, zed, microzed, zc770_xm010, zc770_xm012, zc770_xm013 61*4882a593Smuzhiyun- Added zynq drivers: 62*4882a593Smuzhiyun serial - drivers/serial/serial_zynq.c 63*4882a593Smuzhiyun net - drivers/net/zynq_gem.c 64*4882a593Smuzhiyun mmc - drivers/mmc/zynq_sdhci.c 65*4882a593Smuzhiyun mmc - drivers/mmc/zynq_sdhci.c 66*4882a593Smuzhiyun spi- drivers/spi/zynq_spi.c 67*4882a593Smuzhiyun i2c - drivers/i2c/zynq_i2c.c 68*4882a593Smuzhiyun nand - drivers/mtd/nand/raw/zynq_nand.c 69*4882a593Smuzhiyun- Done proper cleanups on board configurations 70*4882a593Smuzhiyun- Added basic FDT support for zynq boards 71*4882a593Smuzhiyun- d-cache support for zynq_gem.c 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun6. TODO 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun- Add zynq boards support - zc770_xm011 76*4882a593Smuzhiyun- Add zynq qspi controller driver 77*4882a593Smuzhiyun- Add zynq nand controller driver 78*4882a593Smuzhiyun- Add FDT support on individual drivers 79*4882a593Smuzhiyun 80*4882a593Smuzhiyun[1] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC702-G.htm 81*4882a593Smuzhiyun[2] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC706-G.htm 82*4882a593Smuzhiyun[3] http://zedboard.org/product/zedboard 83*4882a593Smuzhiyun[4] http://zedboard.org/product/microzed 84*4882a593Smuzhiyun[5] http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000-TRM.pdf 85*4882a593Smuzhiyun 86*4882a593Smuzhiyun-- 87*4882a593SmuzhiyunJagannadha Sutradharudu Teki <jaganna@xilinx.com> 88*4882a593SmuzhiyunSun Dec 15 14:52:41 IST 2013 89