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diff --git a/qemu/roms/u-boot/doc/README.zynq b/qemu/roms/u-boot/doc/README.zynq deleted file mode 100644 index 043c97014..000000000 --- a/qemu/roms/u-boot/doc/README.zynq +++ /dev/null @@ -1,94 +0,0 @@ -# -# 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 |