[U-Boot] [PATCH 3/4] zynq_minized: Add configuration header file for board specific environment.

[Michal Simek]

pá 26. 4. 2019 v 6:59 odesílatel Philip Balister <philip at balister.org>
napsal:

> On 04/25/2019 05:30 PM, Michal Simek wrote:
> > On 17. 04. 19 19:46, Philip Balister wrote:
> >> Signed-off-by: Philip Balister <philip at opensdr.com>
> >> ---
> >>  include/configs/zynq_minized.h | 54 ++++++++++++++++++++++++++++++++++
> >>  1 file changed, 54 insertions(+)
> >>  create mode 100644 include/configs/zynq_minized.h
> >>
> >> diff --git a/include/configs/zynq_minized.h
> b/include/configs/zynq_minized.h
> >> new file mode 100644
> >> index 0000000000..6d89e3da29
> >> --- /dev/null
> >> +++ b/include/configs/zynq_minized.h
> >> @@ -0,0 +1,54 @@
> >> +/* SPDX-License-Identifier: GPL-2.0+ */
> >> +/*
> >> + * (C) Copyright 2019 Philip Balister <philip at balister.org>.
> >> + *
> >> + * Configuration settings for the MiniZed board
> >> + * See zynq-common.h for Zynq common configs
> >> + */
> >> +
> >> +#ifndef __CONFIG_ZYNQ_MINIZED_H
> >> +#define __CONFIG_ZYNQ_MINIZED_H
> >> +
> >> +#define CONFIG_EXTRA_ENV_SETTINGS       \
> >> +    "fit_image=fitImage\0"           \
> >> +    "bit_file=fpga.bit\0"           \
> >> +    "load_addr=0x2000000\0"         \
> >> +    "fit_size=0x800000\0"           \
> >> +    "flash_off=0x100000\0"          \
> >> +    "nor_flash_off=0xE2100000\0"    \
> >> +    "fdt_high=0x20000000\0"         \
> >> +    "initrd_high=0x20000000\0"      \
> >> +    "loadbootenv_addr=0x2000000\0" \
> >> +    "fdt_addr_r=0x1f00000\0"        \
> >> +    "kernel_addr_r=0x2000000\0"     \
> >> +    "ramdisk_addr_r=0x3100000\0"    \
> >> +    "bootenv=uEnv.txt\0" \
> >> +    "bootenv_dev=mmc\0" \
> >> +    "qspiboot=echo Copying FIT from QSPI to RAM... (Not Yet) \0" \
> >> +    "mmcboot= " \
> >> +            "echo Copying fpga.bit from MMC and loading FPGA... && " \
> >> +            "load mmc 0:1 ${load_addr} /boot/${bit_file} && " \
> >> +            "fpga loadb 0 ${load_addr} ${filesize} && " \
> >> +            "echo Copying FIT from MMC to RAM... && " \
> >> +            "load mmc 0:1 ${load_addr} /boot/${fit_image} && " \
> >> +            "setenv bootargs root=/dev/mmcblk1p1 rootwait && " \
> >> +            "bootm ${load_addr}\0" \
> >> +    "usbboot=if usb start; then " \
> >> +            "echo Copying fpga.bit from USB and loading FPGA... && " \
> >> +            "load usb 0 ${load_addr} /boot/${bit_file} && " \
> >> +            "fpga loadb 0 ${load_addr} ${filesize} && " \
> >> +            "echo Copying FIT from USB to RAM... && " \
> >> +            "load usb 0 ${load_addr} /boot/${fit_image} && " \
> >> +            "setenv bootargs root=/dev/sda1 rootwait && " \
> >> +            "bootm ${load_addr}; fi\0" \
> >> +    "usbrecover=if usb start; then " \
> >> +            "echo Copying fpga.bit from USB and loading FPGA... && " \
> >> +            "load usb 0 ${load_addr} ${bit_file} && " \
> >> +            "fpga loadb 0 ${load_addr} ${filesize} && " \
> >> +            "echo Copying FIT from USB to RAM... && " \
> >> +            "load usb 0 ${load_addr} ${fit_image} && " \
> >> +            "bootm ${load_addr}; fi\0"
> >> +
> >> +#include <configs/zynq-common.h>
> >> +
> >> +#endif /* __CONFIG_ZYNQ_MINIZED_H */
> >>
> >
> > We are moving towards distro boot that's why if this can't be done via
> > distro boot then it should be extended. sd/mmc boot mode is handled
> > there properly that's why I have strong doubts that this is really
> > necessary.
>
> Are there any good distro boot examples or write ups? Basically, I am
> trying to make it easy for people to work with the minized. Well at
> least easy for me :)
>

Take a look at this.
https://github.com/Xilinx/u-boot-xlnx/tree/master/board/xilinx/bootscripts
There are also other bootscripts for other boards.

M


---
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