On Sun, 1 May 2016 13:27:29 +0200
Patrick Wildt <patr...@blueri.se> wrote:
> Hi,
>
> I updated the diff with the feedback received. This basically adds
> a tree-like topology by making mainbus FDT aware and implementing
> a simplebus that can span the tree's roots into more branches.
>
> Next steps (and diffs) are implementing an FDT platform for armv7,
> similar to imx/omap/... and having the generic interrupt controller
> and timer attach to a simplebus/fdt bus.
>
> Comments?
Legacy boot works fine on my novena laptop, fdt boot fails, I lack
expertise but it seems that cortex0 and its children were skipped.
Thank you for pushing a better arm support :)
Both output below :
## Booting kernel from Legacy Image at 10300000 ...
Image Name: boot
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4993156 Bytes = 4.8 MiB
Load Address: 10300000
Entry Point: 10300000
Verifying Checksum ... OK
Loading Kernel Image ... OK
Using machid 0x10ad from environment
Starting kernel ...
OpenBSD/imx booting ...
arg0 0x0 arg1 0x10ad arg2 0x10000100
atag core flags 0 pagesize 0 rootdev 0
atag cmdline [sd0i:/bsd.imx.umg]
atag revision 00063012
atag mem start 0x10000000 size 0xf0000000
bootfile: sd0i:/bsd.imx.umg
bootargs:
memory size derived from u-boot
bootconf.mem[0].address = 10000000 pages 983040/0xf0000000
Allocating page tables
freestart = 0x107c4000, free_pages = 981051 (0x000ef83b)
IRQ stack: p0x107f2000 v0xc07f2000
ABT stack: p0x107f3000 v0xc07f3000
UND stack: p0x107f4000 v0xc07f4000
SVC stack: p0x107f5000 v0xc07f5000
Creating L1 page table at 0x107c4000
Mapping kernel
Constructing L2 page tables
undefined page pmap [ using 715008 bytes of bsd ELF symbol table ]
board type: 4269
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights
reserved. Copyright (c) 1995-2016 OpenBSD. All rights reserved.
http://www.OpenBSD.org
OpenBSD 5.9-current (GENERIC) #31: Fri Apr 29 22:42:20 CET 2016
dermi...@russell.kilb.yt:/home/dermiste/OpenBSD/srcsys/arch/armv7/compile/GENERIC
real mm = 4026527744 (3839MB)
avail mem = 3940864000 (3758MB)
warning: no entropy supplied by boot lader
mainbus0 at root: no device tree
cortex0 at mainbus0
ampintc0 at cortex0 nirq 160
amptimer0 at cortex0: tick rate 396000 KHz
armliicc0 at cortex0: rtl 7 waymask: 0x0000000f
cpu0 at mainbus0: ARM Cortex A9 R2 rev 10 (ARMv7 core)
cpu0: DC enabled IC enabled WB disabled EABT branch prediction enabled
cpu0: 32KB(32b/l,4way) I-cache, 32KB(32b/l,4way) wr-back D-cache
imx0 at mainbus0: Kosagi Novena
imxccm0 at imx0: imx6 rev 1.2 CPU freq: 792 MHz
imxiomuxc0 at imx0
imxdog0 at imx0
imxocotp0 at imx0
imxuart0 at imx0 console
imxgpio0 at imx0
imxgpio1 at imx0
imxgpio2 at imx0
imxgpio3 at imx0
imxgpio4 at imx0
imxgpio5 at imx0
imxgpio6 at imx0
imxesdhc0 at imx0
sdmmc0 at imxesdhc0
imxesdhc1 at imx0
sdmmc1 at imxesdhc1
ehci0 at imx0
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "i.MX6 EHCI root hub" rev 2.00/1.00 addr 1
imxenet0 at imx0
imxenet0: address 00:1f:11:02:17:de
ukphy0 at imxenet0 phy 7: Generic IEEE 802.3u media interface, rev. 1:
OUI 0x000885, model 0x0021 ahci0 at imx0 AHCI 1.3
ahci0: port 0: 3.0Gb/s
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, Samsung SSD 850, EMT0> SCSI3
0/direct fixed naa.5002538da0003f36 sd0: 238475MB, 512 bytes/sector,
488397168 sectors, thin scsibus1 at sdmmc1: 2 targets, initiator 0
sd1 at scsibus1 targ 1 lun 0: <SD/MMC, Drive #01, > SCSI2 0/direct fixed
sd1: 7600MB, 512 bytes/sector, 15564800 sectors
uhub1 at uhub0 port 1 "Genesys Logic USB2.0 Hub Charger" rev 2.00/1.97
addr 2 axe0 at uhub1 port 2 configuration 1 interface 0 "ASIX
Electronics AX88772B" rev 2.00/0.01 addr 3 axe0: AX88772B, address
00:0e:c6:87:72:01 ukphy1 at axe0 phy 16: Generic IEEE 802.3u media
interface, rev. 1: OUI 0x000ec6, model 0x0008 ugen0 at uhub1 port 3
"AsureWave product 0x3393" rev 1.10/0.01 addr 4 uhub2 at uhub1 port 4
"Genesys Logic USB2.0 Hub Charger" rev 2.00/1.97 addr 5 vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
boot device: sd0
root on sd0a (46b8d5734c644ff3.a) swap on sd0b dump on sd0b
## Booting kernel from Legacy Image at 10300000 ...
Image Name: boot
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4993156 Bytes = 4.8 MiB
Load Address: 10300000
Entry Point: 10300000
Verifying Checksum ... OK
## Flattened Device Tree blob at 10100000
Booting using the fdt blob at 0x10100000
Loading Kernel Image ... OK
reserving fdt memory region: addr=10100000 size=b000
Using Device Tree in place at 10100000, end 1010dfff
Using machid 0x10ad from environment
Starting kernel ...
OpenBSD/imx booting ...
arg0 0x0 arg1 0x10ad arg2 0x10100000
Allocating page tables
freestart = 0x107c4000, free_pages = 981051 (0x000ef83b)
IRQ stack: p0x107f2000 v0xc07f2000
ABT stack: p0x107f3000 v0xc07f3000
UND stack: p0x107f4000 v0xc07f4000
SVC stack: p0x107f5000 v0xc07f5000
Creating L1 page table at 0x107c4000
Mapping kernel
Constructing L2 page tables
undefined page pmap [ using 715008 bytes of bsd ELF symbol table ]
board type: 4269
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights
reserved. Copyright (c) 1995-2016 OpenBSD. All rights reserved.
http://www.OpenBSD.org
OpenBSD 5.9-current (GENERIC) #31: Fri Apr 29 22:42:20 CET 2016
dermi...@russell.kiob.yt:/home/dermiste/OpenBSD/src/ss/arch/armv7/compile/GENERIC
realmem = 4026527744 (3839MB)
avail mem = 3940823040 (3758MB)
warning: no entropy supplied by boot lader
mainbus0 at root: Kosagi Novena Dual/Quad
cpu0 at mainbus0: ARM Cortex A9 R2 rev 10 (ARMv7 core)
cpu0: DC nabled IC enabled WB disabled EABT branch prdiction enabled
cpu0: 32KB(32b/l,4way) I-cahe, 32KB(32b/l,4way) wr-back D-cache
imx0 at mainbus0: Kosagi Noven
imxccm0 at imx0: imx6 rev 1.2 CPU freq: 792 MHz
imxiomuxc0 at imx0
imxdog0 at imx0
imxocotp0 at imx0
imxuart0 at imx0panic: arm_dflt_inr_establish called
Stopped at $d: ldrb r15, [r15, r15, ror r15]!
TID PID UID PRFLAGS PFLAGS CPU COMMAND
* 0 0 0 0x10000 0x200 0 sapper
panic+0x18
scp=0xc03bf6b4 rlv=0xc053c518 ($d)
rsp=0xc07f6cf4 rfp=0xc07f6d04
arm_dflt_intr_establish+0x10
scp=0xc053c510 rlv=0xc053c214 (arm_intr_establish+0x24)
rsp=0xc07f6d08 rfp=0xc07f6d20
arm_intr_establish+0xc
scp=0xc053c1fc rlv=0xc05f3da8 (imxuartattach+0x38)
rsp=0xc07f6d24 rfp=0xc07f6d4c
r4=0xc89acc00
imxuartattach+0xc
scp=0xc05f3d7c rlv=0xc03b4d34 (config_attach+0x1d4)
rsp=0xc07f6d50 rfp=0xc07f6d88
r8=0xc06eaf70 r7=0xcc9a2100 r=0xc069a824 r5=0xc89acc14
r4=0x89acc00
config_attach+0xc
scp=0xc03b4b6c rlv=0xc053d174 (armv7_attach+0xa0)
rsp=0xc07f6d8c rfp=0xc07f6dbc
r10=0x00000000 r9=0c07f6dfc r8=0xc06e89f8 r7=0xcc9a2100
r6=0xc07f6d8c r5=0xc0699d3c r4=xc06927d0
armv7_attach+0xc
scp=0xc053d0e0 rlv=0xc03b4d34 (config_attach+0x1d4)
rsp=0xc07f6dc0 rfp=0xc07fdf8
r8=0xc06eaf70 r7=0xcc9a2080 r6=0xc6999a8 r5=0xcc9a2114
- r4=0xcc9a2100
config_attach+0xc
- scp0xc03b4b6c rlv=0xc052d23c (mainbus_attach_node+0xd0)
rsp=0xc07f6dfc rfp=0xc07f6b4
r10=0xc06a19d4 r9=0x00000000 r=0xcc9a2080 r7=0x000007b8
- r6=xc0690478 r5=0xc0690764 r4=0xc07f6dfc
mainbus_attach_nde+0x10
scp=0xc052d17c rlv=0xc05d320 (mainbus_attach+0xc0)
rsp=0xc07f6eb8 rfp=0xc07f6f58
- r10=0x00000000 r8=0xc06eaf70 r7=0xc06a19d4 r6=0x0000004
r5=0xcc9a2080 r4=0x00007b8
mainbus_attach+0x10
- scp=0xc052d270 rlv=0xc03b4d34 (config_attach+0x1d4)
rsp=0xc07f6f5c rfp=0xc076f94
r7=0x00000000 r6=0xc069064 r5=0xcc9a2094 r4=0xcc9a2080
config_attach+0xc
scp=0xc03b4b6c rlv0xc053e504 (cpu_configure+0x20)
rsp=0xc07f6f98 rfp=0xc07f6fa8
r10=0xc06e62a4 r9=0xc06e8470 r8=0xc066108 r7=0xc06e6434
r6=0x00000000 r5=0xc0e606c r4=0xc0711ce4
cpu_configure+0xc
scp=0xc053e4f0 rlv=0xc0392f94 (main+0x324)
rsp=0xc07f6fac rfp0xc07f6fec
main+0xc
- scp=0xc0392c7c rlv=0xc0300164 (kernel_text+0x50)
rsp=0xc07f6ff0 rfp0xc07f6ffc
r10=0xfc76ba44 r9=0x1000000 r8=0xc0711ce4 r7=0x000010ad
- r6=0x10100000 r5=0x000010ad r4=0x10300104
kernel_text+0x4c
sc=0xc0300160 rlv=0xc053acfc (mtx_leave+0x50)
rsp=0xc07f7000 rfp=0x00000000
http://www.openbsd.org/db.html describes the minimum inforequired in bug
-reports. Inufficient info makes it difficult to ind and fix bugs.
ddb>
