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Initial commit for PH1-Pro4 Ace and Sanji boards.
Note:
There are two variants for the Ace board in terms of the amount of
DDR memory; 1GB or 2GB.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The USB boot code is too fat and complicated to be included in SPL
(at least for now). So, it was implemented as a separate project
(what we call USB-loader).
The expected boot sequence is as follows:
Boot ROM -> USB-loader -> SPL -> U-Boot proper
The USB-loader loads the SPL and U-Boot proper from a USB memory
onto the locked L2 cache. Then, SPL needs to copy the U-Boot proper
to DRAM, so this mode looks like a NOR boot from the view of SPL.
However, we want to distinguish between (genuine) NOR boot and USB
boot in some places.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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When we want to boot Linux with a DTB file downloaded from a TFTP
server or somewhere, we need to know the file name to be downloaded.
Assume the U-Boot configuration is shared among some similar boards.
If they are similar enough, the difference only appears in device
trees. The build procedure would be like this:
- Board A: make foo_common_defconfig && make DEVICE_TREE=foo_board_a
- Board B: make foo_common_defconfig && make DEVICE_TREE=foo_board_b
- Board C: make foo_common_defconfig && make DEVICE_TREE=foo_board_c
In this case, the U-Boot image contains nothing about the DTB file name
it is running with. (CONFIG_DEFAULT_DEVICE_TREE is not helpful for this
purpose because it is painful to change it from "make menuconfig" for
each board.)
This commit allows to lookup the DTB file name based on the compatible
string and set it to "fdt_file" environment. Then "tftpboot $fdt_file"
will download the file we want.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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In the Linux coding style, it is recommended to include <linux/io.h>
rather than <asm/io.h>. Follow this trend.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Move
arch/arm/cpu/armv7/uniphier/* -> arch/arm/mach-uniphier/*
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
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