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board: Add PowerPC mac99

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PowerPC kernel developers were after a userspace for testing 32-bit
powerpc kernels. This machine both suits that requirement and has
support in qemu. It's also a fairly common piece of 32-bit ppc hardware.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Tested-by: Daniel Axtens <dja@axtens.net>
[Peter: lock kernel/headers to 5.2.4]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Joel Stanley 2019-06-25 10:56:52 +09:30 committed by Peter Korsgaard
parent 0de9a53a34
commit a8fac3fcfc
4 changed files with 24 additions and 0 deletions
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2
DEVELOPERS
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@ -1149,6 +1149,8 @@ N: Joel Stanley <joel@jms.id.au>
F: package/pdbg/
F: board/qemu/ppc64le-pseries/
F: configs/qemu_ppc64le_pseries_defconfig
F: board/qemu/ppc-mac99/
F: configs/qemu_ppc_mac99_defconfig
N: Johan Derycke <johanderycke@gmail.com>
F: package/python-libconfig/

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board/qemu/ppc-mac99/linux.fragment Normal file
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CONFIG_SERIAL_PMACZILOG=y
CONFIG_SERIAL_PMACZILOG_TTYS=y
CONFIG_SERIAL_PMACZILOG_CONSOLE=y

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board/qemu/ppc-mac99/readme.txt Normal file
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Run the emulation with:
qemu-system-ppc -nographic -vga none -M mac99 -cpu g4 -m 1G -kernel output/images/vmlinux -drive file=output/images/rootfs.ext2,format=raw -net nic,model=sungem -net user -append "root=/dev/sda"
Tested with QEMU 3.1.0

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configs/qemu_ppc_mac99_defconfig Normal file
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BR2_powerpc=y
BR2_powerpc_7400=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
BR2_SYSTEM_DHCP="eth0"
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_2=y
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.2.4"
BR2_LINUX_KERNEL_DEFCONFIG="pmac32"
BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/qemu/ppc-mac99/linux.fragment"
BR2_LINUX_KERNEL_VMLINUX=y
BR2_TARGET_ROOTFS_CPIO=y
BR2_TARGET_ROOTFS_EXT2=y
# BR2_TARGET_ROOTFS_TAR is not set