Next step: 21074ef03c0816ae158721a78cabe9035938dddd (powerpc/dma: use
the generic direct mapping bypass)
git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
git checkout 21074ef03c0816ae158721a78cabe9035938dddd
I was able to compile the kernel for the AmigaOne X1000 (Nemo board with
PA Semi PA6T-1682M SoC). It boots but the PA Semi onboard ethernet
doesn't work.
dmesg:
[ 12.698063] pasemi_mac 0000:00:14.3 enp0s20f3: renamed from eth0
[ 16.516966] IPv6: ADDRCONF(NETDEV_UP): enp0s20f3: link is not ready
[ 16.521025] pci 0000:00:1a.0: overflow 0x000000026a587802+1646 of DMA
mask ffffffff bus mask 0
[ 16.521047] WARNING: CPU: 0 PID: 2318 at kernel/dma/direct.c:43
.dma_direct_map_page+0x11c/0x200
[ 16.521049] Modules linked in:
[ 16.521056] CPU: 0 PID: 2318 Comm: NetworkManager Not tainted
5.0.0-rc2-2_A-EON_AmigaOne_X1000_Nemo-54576-g21074ef-dirty #1
[ 16.521059] NIP: c00000000010395c LR: c000000000103a30 CTR:
0000000000000000
[ 16.521062] REGS: c00000026a1a29a0 TRAP: 0700 Not tainted
(5.0.0-rc2-2_A-EON_AmigaOne_X1000_Nemo-54576-g21074ef-dirty)
[ 16.521064] MSR: 900000000202b032 <SF,HV,VEC,EE,FP,ME,IR,DR,RI> CR:
22002442 XER: 20000000
[ 16.521074] IRQMASK: 0
GPR00: c000000000103a30 c00000026a1a2c30
c000000001923f00 0000000000000052
GPR04: c00000026f206778 c00000026f20d458
c000000001ab1178 7063693a30303030
GPR08: 0000000000000007 0000000000000000
0000000000000000 0000000000000010
GPR12: 3a30303a31612e30 c000000001b10000
0000000000a79020 0000000000ace140
GPR16: 00000000fffdd958 0000000000000000
0000000000000000 c00000026be92220
GPR20: 0000000000000000 c00000026a470000
0000000000000000 0000000000000000
GPR24: 0000000000000800 c00000026a1c0000
c00000026bc69280 c00000026a1c0000
GPR28: c000000277b1f588 000000000000066e
c00000026d3c68b0 0000000000000802
[ 16.521111] NIP [c00000000010395c] .dma_direct_map_page+0x11c/0x200
[ 16.521114] LR [c000000000103a30] .dma_direct_map_page+0x1f0/0x200
[ 16.521116] Call Trace:
[ 16.521120] [c00000026a1a2c30] [c000000000103a30]
.dma_direct_map_page+0x1f0/0x200 (unreliable)
[ 16.521126] [c00000026a1a2cd0] [c00000000099b84c]
.pasemi_mac_replenish_rx_ring+0x12c/0x2a0
[ 16.521131] [c00000026a1a2da0] [c00000000099dcc4]
.pasemi_mac_open+0x384/0x7c0
[ 16.521137] [c00000026a1a2e40] [c000000000c6f4e4] .__dev_open+0x134/0x1e0
[ 16.521142] [c00000026a1a2ee0] [c000000000c6fa4c]
.__dev_change_flags+0x1bc/0x210
[ 16.521147] [c00000026a1a2f90] [c000000000c6fae8]
.dev_change_flags+0x48/0xa0
[ 16.521153] [c00000026a1a3030] [c000000000c8c8ec] .do_setlink+0x3dc/0xf60
[ 16.521158] [c00000026a1a31b0] [c000000000c8dde4]
.__rtnl_newlink+0x5e4/0x900
[ 16.521163] [c00000026a1a35f0] [c000000000c8e16c] .rtnl_newlink+0x6c/0xb0
[ 16.521167] [c00000026a1a3680] [c000000000c89898]
.rtnetlink_rcv_msg+0x2e8/0x3d0
[ 16.521172] [c00000026a1a3760] [c000000000cc0ff0]
.netlink_rcv_skb+0x120/0x170
[ 16.521177] [c00000026a1a3820] [c000000000c87378]
.rtnetlink_rcv+0x28/0x40
[ 16.521181] [c00000026a1a38a0] [c000000000cc0458]
.netlink_unicast+0x208/0x2f0
[ 16.521186] [c00000026a1a3950] [c000000000cc0a08]
.netlink_sendmsg+0x348/0x460
[ 16.521190] [c00000026a1a3a30] [c000000000c387d4] .sock_sendmsg+0x44/0x70
[ 16.521195] [c00000026a1a3ab0] [c000000000c3a7fc]
.___sys_sendmsg+0x30c/0x320
[ 16.521199] [c00000026a1a3ca0] [c000000000c3c414]
.__sys_sendmsg+0x74/0xf0
[ 16.521204] [c00000026a1a3d90] [c000000000cb4e00]
.__se_compat_sys_sendmsg+0x40/0x60
[ 16.521210] [c00000026a1a3e20] [c00000000000a21c] system_call+0x5c/0x70
[ 16.521212] Instruction dump:
[ 16.521215] 60000000 f8610070 3d20ffff 6129fffe 79290020 e8e70000
7fa74840 409d00b8
[ 16.521222] 3d420001 892acb59 2f890000 419e00b8 <0fe00000> 382100a0
3860ffff e8010010
[ 16.521231] ---[ end trace 2129e4121bbdd0e9 ]---
I wasn't able to compile it for the AmigaOne X5000 (Cyrus+ board with
Qoriq P5020 SoC). Error message:
CALL scripts/checksyscalls.sh
CHK include/generated/compile.h
CC arch/powerpc/sysdev/fsl_pci.o
arch/powerpc/sysdev/fsl_pci.c: In function 'fsl_pci_dma_set_mask':
arch/powerpc/sysdev/fsl_pci.c:142:21: error: 'dma_nommu_ops' undeclared
(first use in this function)
set_dma_ops(dev, &dma_nommu_ops);
^
arch/powerpc/sysdev/fsl_pci.c:142:21: note: each undeclared identifier
is reported only once for each function it appears in
scripts/Makefile.build:276: recipe for target
'arch/powerpc/sysdev/fsl_pci.o' failed
make[2]: *** [arch/powerpc/sysdev/fsl_pci.o] Error 1
scripts/Makefile.build:492: recipe for target 'arch/powerpc/sysdev' failed
make[1]: *** [arch/powerpc/sysdev] Error 2
Makefile:1049: recipe for target 'arch/powerpc' failed
make: *** [arch/powerpc] Error 2
-- Christian
On 15 January 2019 at 09:49AM, Christian Zigotzky wrote:
Next step: 63a6e350e037a21e9a88c8b710129bea7049a80f (powerpc/dma: use
the dma_direct mapping routines)
git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
git checkout 63a6e350e037a21e9a88c8b710129bea7049a80f
Error message:
arch/powerpc/kernel/dma.o:(.data.rel.ro+0x0): undefined reference to
`__dma_nommu_alloc_coherent'
arch/powerpc/kernel/dma.o:(.data.rel.ro+0x8): undefined reference to
`__dma_nommu_free_coherent'
Makefile:1027: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1
-- Christian
On 15 January 2019 at 09:07AM, Christian Zigotzky wrote:
Next step: 240d7ecd7f6fa62e074e8a835e620047954f0b28 (powerpc/dma: use
the dma-direct allocator for coherent platforms)
git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
git checkout 240d7ecd7f6fa62e074e8a835e620047954f0b28
Link to the Git:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
env LANG=C make CROSS_COMPILE=powerpc-linux-gnu- ARCH=powerpc zImage
Error message:
arch/powerpc/kernel/dma.o:(.data.rel.ro+0x0): undefined reference to
`__dma_nommu_alloc_coherent'
arch/powerpc/kernel/dma.o:(.data.rel.ro+0x8): undefined reference to
`__dma_nommu_free_coherent'
Makefile:1027: recipe for target 'vmlinux' failed
make: *** [vmlinux] Error 1
-- Christian
On 12 January 2019 at 7:14PM, Christian Zigotzky wrote:
Next step: 4558b6e1ddf3dcf5a86d6a5d16c2ac1600c7df39 (swiotlb: remove
swiotlb_dma_supported)
git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a
git checkout 4558b6e1ddf3dcf5a86d6a5d16c2ac1600c7df39
Output:
You are in 'detached HEAD' state. You can look around, make
experimental
changes and commit them, and you can discard any commits you make in
this
state without impacting any branches by performing another checkout.
If you want to create a new branch to retain commits you create, you
may
do so (now or later) by using -b with the checkout command again.
Example:
git checkout -b <new-branch-name>
HEAD is now at 4558b6e... swiotlb: remove swiotlb_dma_supported
----
Link to the Git:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
Results: PASEMI onboard ethernet (X1000) works and the X5000 (P5020
board) boots. I also successfully tested sound, hardware 3D
acceleration, Bluetooth, network, booting with a label etc. The
uImages work also in a virtual e5500 quad-core QEMU machine.
-- Christian
On 11 January 2019 at 03:10AM, Christian Zigotzky wrote:
Next step: 891dcc1072f1fa27a83da920d88daff6ca08fc02 (powerpc/dma:
remove dma_nommu_dma_supported)
git clone git://git.infradead.org/users/hch/misc.git -b
powerpc-dma.6 a
git checkout 891dcc1072f1fa27a83da920d88daff6ca08fc02
Output:
Note: checking out '891dcc1072f1fa27a83da920d88daff6ca08fc02'.
You are in 'detached HEAD' state. You can look around, make
experimental
changes and commit them, and you can discard any commits you make
in this
state without impacting any branches by performing another checkout.
If you want to create a new branch to retain commits you create,
you may
do so (now or later) by using -b with the checkout command again.
Example:
git checkout -b <new-branch-name>
HEAD is now at 891dcc1... powerpc/dma: remove dma_nommu_dma_supported
---
Link to the Git:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
Results: PASEMI onboard ethernet works and the X5000 (P5020 board)
boots. I also successfully tested sound, hardware 3D acceleration,
Bluetooth, network, booting with a label etc. The uImages work also
in a virtual e5500 quad-core QEMU machine.
-- Christian
On 09 January 2019 at 10:31AM, Christian Zigotzky wrote:
Next step: a64e18ba191ba9102fb174f27d707485ffd9389c (powerpc/dma:
remove dma_nommu_get_required_mask)
git clone git://git.infradead.org/users/hch/misc.git -b
powerpc-dma.6 a
git checkout a64e18ba191ba9102fb174f27d707485ffd9389c
Link to the Git:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
Results: PASEMI onboard ethernet works and the X5000 (P5020 board)
boots. I also successfully tested sound, hardware 3D acceleration,
Bluetooth, network, booting with a label etc. The uImages work
also in a virtual e5500 quad-core QEMU machine.
-- Christian
On 05 January 2019 at 5:03PM, Christian Zigotzky wrote:
Next step: c446404b041130fbd9d1772d184f24715cf2362f (powerpc/dma:
remove dma_nommu_mmap_coherent)
git clone git://git.infradead.org/users/hch/misc.git -b
powerpc-dma.6 a
git checkout c446404b041130fbd9d1772d184f24715cf2362f
Output:
Note: checking out 'c446404b041130fbd9d1772d184f24715cf2362f'.
You are in 'detached HEAD' state. You can look around, make
experimental
changes and commit them, and you can discard any commits you make
in this
state without impacting any branches by performing another checkout.
If you want to create a new branch to retain commits you create,
you may
do so (now or later) by using -b with the checkout command again.
Example:
git checkout -b <new-branch-name>
HEAD is now at c446404... powerpc/dma: remove
dma_nommu_mmap_coherent
-----
Link to the Git:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
Result: PASEMI onboard ethernet works and the X5000 (P5020 board)
boots.
-- Christian
