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Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +05301#
2# Xilinx ZYNQ U-Boot
3#
4# (C) Copyright 2013 Xilinx, Inc.
5#
6# SPDX-License-Identifier: GPL-2.0+
7#
8
91. About this
10
11This document describes the information about Xilinx Zynq U-Boot -
12like supported boards, ML status and TODO list.
13
142. Zynq boards
15
16Xilinx Zynq-7000 All Programmable SoCs enable extensive system level
17differentiation, integration, and flexibility through hardware, software,
18and I/O programmability.
19
Masahiro Yamada17b3d372015-05-18 15:31:51 +090020* zc702 (single qspi, gem0, mmc) [1]
21* zc706 (dual parallel qspi, gem0, mmc) [2]
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053022* zed (single qspi, gem0, mmc) [3]
23* microzed (single qspi, gem0, mmc) [4]
24* zc770
25 - zc770-xm010 (single qspi, gem0, mmc)
26 - zc770-xm011 (8 or 16 bit nand)
27 - zc770-xm012 (nor)
28 - zc770-xm013 (dual parallel qspi, gem1)
29
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +0530303. Building
31
Masahiro Yamada17b3d372015-05-18 15:31:51 +090032 ex. configure and build for zc702 board
33 $ make zynq_zc702_config
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +053034 $ make
35
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +0530364. Bootmode
Jagannadha Sutradharudu Teki11704c22014-01-09 01:48:21 +053037
38Zynq has a facility to read the bootmode from the slcr bootmode register
39once user is setting through jumpers on the board - see page no:1546 on [5]
40
41All possible bootmode values are defined in Table 6-2:Boot_Mode MIO Pins
42on [5].
43
44board_late_init() will read the bootmode values using slcr bootmode register
45at runtime and assign the modeboot variable to specific bootmode string which
46is intern used in autoboot.
47
48SLCR bootmode register Bit[3:0] values
49#define ZYNQ_BM_NOR 0x02
50#define ZYNQ_BM_SD 0x05
51#define ZYNQ_BM_JTAG 0x0
52
53"modeboot" variable can assign any of "norboot", "sdboot" or "jtagboot"
54bootmode strings at runtime.
55
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +0530565. Mainline status
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053057
58- Added basic board configurations support.
59- Added zynq u-boot bsp code - arch/arm/cpu/armv7/zynq
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +053060- Added zynq boards named - zc70x, zed, microzed, zc770_xm010, zc770_xm012, zc770_xm013
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053061- Added zynq drivers:
62 serial - drivers/serial/serial_zynq.c
63 net - drivers/net/zynq_gem.c
64 mmc - drivers/mmc/zynq_sdhci.c
Ezequiel Garcia196f1802018-01-13 17:48:27 -030065 spi - drivers/spi/zynq_spi.c
66 qspi - drivers/spi/zynq_qspi.c
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053067 i2c - drivers/i2c/zynq_i2c.c
Ezequiel Garcia196f1802018-01-13 17:48:27 -030068 nand - drivers/mtd/nand/zynq_nand.c
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +053069- Done proper cleanups on board configurations
70- Added basic FDT support for zynq boards
71- d-cache support for zynq_gem.c
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053072
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +0530736. TODO
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053074
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +053075- Add zynq boards support - zc770_xm011
Jagannadha Sutradharudu Tekidce23cd2014-01-09 01:48:31 +053076- Add FDT support on individual drivers
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053077
78[1] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC702-G.htm
79[2] http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC706-G.htm
80[3] http://zedboard.org/product/zedboard
81[4] http://zedboard.org/product/microzed
Jagannadha Sutradharudu Teki11704c22014-01-09 01:48:21 +053082[5] http://www.xilinx.com/support/documentation/user_guides/ug585-Zynq-7000-TRM.pdf
Jagannadha Sutradharudu Tekiec15a6c2014-01-09 01:48:11 +053083
84--
85Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
86Sun Dec 15 14:52:41 IST 2013