| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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s/Pring/Print/
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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underlaying -> underlying
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Bastian Stender <bst@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When trying to boot from a loop mount path, the blspec code passes a
NULL pointer to dev_name, because cdev->dev is not set for loop mounts:
unable to handle NULL pointer dereference at address 0x00000020
pc : [<4fe09e28>] lr : [<4fe02305>]
sp : 4ffef7c0 ip : 31b75c78 fp : 31b6a388
r10: 31b6a368 r9 : 315a4cac r8 : 00000001
r7 : 00000001 r6 : 311b8540 r5 : ffffffea r4 : 31b6a3f8
r3 : 00000000 r2 : 10000000 r1 : 00000001 r0 : 00000000
Flags: nzcv IRQs off FIQs off Mode SVC_32
[<4fe09e28>] (dev_id+0xc/0x38) from [<4fe02305>] (blspec_scan_directory+0x3e1/0x484)
[<4fe02305>] (blspec_scan_directory+0x3e1/0x484) from [<4fe02551>] (blspec_bootentry_provider+0x1d/0x3c)
[<4fe02551>] (blspec_bootentry_provider+0x1d/0x3c) from [<4fe0984b>] (bootentry_create_from_name+0x23/0xdc)
[<4fe0984b>] (bootentry_create_from_name+0x23/0xdc) from [<4fe246f9>] (do_boot+0x95/0x160)
[<4fe246f9>] (do_boot+0x95/0x160) from [<4fe032e9>] (execute_command+0x21/0x48)
[<4fe032e9>] (execute_command+0x21/0x48) from [<4fe088e3>] (run_list_real+0x56b/0x634)
[<4fe088e3>] (run_list_real+0x56b/0x634) from [<4fe08249>] (parse_stream_outer+0xd9/0x164)
[<4fe08249>] (parse_stream_outer+0xd9/0x164) from [<4fe08b6d>] (run_shell+0x31/0x60)
[<4fe08b6d>] (run_shell+0x31/0x60) from [<4fe032e9>] (execute_command+0x21/0x48)
[<4fe032e9>] (execute_command+0x21/0x48) from [<4fe088e3>] (run_list_real+0x56b/0x634)
[<4fe088e3>] (run_list_real+0x56b/0x634) from [<4fe085fd>] (run_list_real+0x285/0x634)
[<4fe444b9>] (unwind_backtrace+0x1/0x58) from [<4fe00b7d>] (panic+0x1d/0x34)
[<4fe00b7d>] (panic+0x1d/0x34) from [<4fe42a75>] (do_exception+0xd/0x10)
[<4fe42a75>] (do_exception+0xd/0x10) from [<4fe42ad5>] (do_data_abort+0x21/0x2c)
[<4fe42ad5>] (do_data_abort+0x21/0x2c) from [<4fe42394>] (do_abort_6+0x48/0x54)
Fix this by checking cdev->dev as well as cdev before calling dev_name.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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In case of error of_unflatten_dtb() returns an ERR_PTR. Make sure
that handle->root contains NULL in this case so that we do not call
of_delete_node on the error pointer in the exit path.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The .id member of the struct device for the invm device is not
initialized and so implicitly zero. This yields:
register_device: already registered invm0
for the second i210 during probe.
So use the parent's id to initialize the id for invm, too, as is already
done for the corresponding e1000-nor device.
Fixes: a74b97f009c6 ("e1000: Expose i210's iNVM as a cdev")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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How to repropduce the unaligned store problem
qemu-system-mips -nodefaults -M malta -m 256 \
-nographic -serial stdio -monitor null \
-bios barebox-flash-image \
-net user -net nic,model=rtl8139
...
barebox:/ dhcp
Ooops, address error on store!
$ 0 : 00000000 00000000 01010600 697f2a2e
$ 4 : a0850000 00000000 0000001c a040c1b8
$ 8 : 00000000 00000002 00000002 00000000
$12 : 00000000 00000040 00000100 00000001
$16 : a040bba0 a0850000 a0850000 a0850000
$20 : 00000000 00000075 00000076 a040ba20
$24 : 00000002 a080f210
$28 : 00000000 a03ffce0 fffffffd a0833b8c
Hi : 000154f8
Lo : 20000000
epc : a0833b84
ra : a0833b8c
Status: 00000002
Cause : 80000414
Config: 80008482
### ERROR ### Please RESET the board ###
The unaligned store instruction is located in the bootp_request() from net/dhcp.c:
a0833b50 <bootp_request>:
..
a0833b7c: 3c020101 lui v0,0x101
a0833b80: 24420600 addiu v0,v0,1536 /* 0x1010600 -> v0 */
a0833b84: 0c20024a jal a0800928 <get_time_ns>
a0833b88: ae02002a sw v0,42(s0) /* store 0x1010600 to addr s0 + 42 */
This assembler code is generated by mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
from this:
bp = (struct bootp *)payload;
bp->bp_op = OP_BOOTREQUEST; /* 0x01 */
bp->bp_htype = HWT_ETHER; /* 0x01 */
bp->bp_hlen = HWL_ETHER; /* 0x06 */
bp->bp_hops = 0;
Compiler replaces four 'store byte' instruction by one 'store 32-bit word'
instruction. Alas sometimes this leads to unaligned store situation.
Making struct bootp __packed prevents this optimization and fixes the problem.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Tested-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There is a problem in the data path between 1GB RAM devices and the
core, which leads to wrong read operations after DDR initialization
in soft resets. This needs more investigation, but until we didn't
found the problem, we will return to the origin MLO for 1GB RAM devices
with static RAM timings and without memory access.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This driver was developed and tested on QCA AR9344 WiSoC
but it may work on most known Atheros/QCA WiSoCs.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The defaultenv-2 network boot script uses bootargs-ip which
hardcodes eth0 as network device. To make this work with
other nwetork devices use the "ip_route_get" command to determine
the network device used to reach the server.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The ip_route_get command is used to retrieve the network
device used to reach a given IP address. This is useful
for informational purposes and also for the network boot
which wants to get the linux.bootargs parameter of the
network device used for nfsroot.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When you have a static network environment but more than one network
device on your machine it is necessary to provide the <device> parameter
to the ip parameter at kernel cmd line.
The device name assigned by Linux cannot in general be predicted as it
depends on driver bind order.
This patch introduces a new property linux.devname to eth devices.
The value is added to bootargs per interface and can be changed in
env/network/INTF
Based on patch by Gavin Schenk <g.schenk@eckelmann.de>.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Network configuration has changed. In case somebody looks
to the old /env/network/ directoy place a README there to add
a pointer how the new configuration is done.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of using "ifup ethx" use "ifup -a" which works with all
network interfaces. Also replace "$ethx.serverip" with
"$global.net.server". This makes the automount independent of
the actual network interface. Remove all board specific
/env/init/automount files which were only there to use eth1 instead
of the previously hardcoded eth0.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Network configuration is now done with nvvars, so /env/network/eth*
files are no longer needed. Remove them.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The network configuration has changed in the previous patches. Update
the documentation accordingly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This provides a new way to configure network interfaces based
on nvvars. A network interface can now be configured with variables
in the nv.dev.<ethname>.* namespace. There is a new network device
parameter "mode" which specifies the mode used to obtain IP settings.
The mode can be "dhcp", "static" or "disabled":
nv.dev.eth0.mode=dhcp
(ipaddr, netmask are ignored in this setting)
nv.dev.eth0.mode=static
nv.dev.eth0.ipaddr=192.168.0.17
nv.dev.eth0.netmask=255.255.0.0
nv.dev.eth0.mode=disabled
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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DHCP has a C API, so use it instead of running as command.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Now that we can do routing we no longer need a "current"
network device. Remove it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The IP/netmask/gateway settings contain all informations
needed to pick the correct network device. This patch
adds support for that and makes specifying the "current"
network interface using the ethact command unnecessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The DHCP code is a mess. It is not clear which options are sent to the
server and which options are returned from the server. Also environment
variables are read from and written to all over the place.
This patch cleans this up. There now is struct dhcp_req_param which is
used for options sent to the server and struct dhcp_result which contains
the values sent from the server. The values from the server are written
to the barebox variables in a single place. Also it's now possible to
call the dhcp code without modifying barebox variables at all, storing
the result only in the dhcp result struct.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Fix some spaces-before-function-opening-brackets and duplicate empty
lines.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Drop explicit casts to/from void pointers.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of allowing to DHCP only on the "current" network
device, allow to specify the desired network device. This
is a first step to get rid of the concept of a "current"
network device.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This allows the DHCP code to configure specific network
devices so that DHCP no longer depends on any "current"
network device.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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There is not much point in having a network device specific
gateway. If barebox really is part of such a complicated network
in which it needs multiple gateways, then we probably need a
real routing table. Until this happens, a single gateway should
be enough.
This introduces global.net.gateway which holds the gateway ip. The
previously used device specific <ethx>.gateway variables still exist,
but are only aliases for the single gateway.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Some DHCP servers provide the wrong serverip in which case
it is desired to specify it manually and won't let the dhcp
command overwrite it.
This has previously been done by setting the serverip again
to the desired value after dhcp has been executed. With this
patch we do not overwrite it in the first place if it is valid
already. This is necessary when the serverip is not set via
/env/network/eth* but via nv.net.server.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The server to use is independent of the network device, there is
not much point to make the server specific to a network device.
This introduces global.net.server as the serverip which is
used as standard NFS/tftp server. The previously used eth
device specific parameters still exist, but are only aliases
for the global single variable.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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It's more convenient to have getter/setter functions for
variables rather than using the detour around global vars
which use string matching and all kinds of overhead in the
background.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Register domainname and nameserver as globalvars rather than attaching
them to a dedicated net device. the global device already exists and
already contains much of the barebox configuration, so no need to add
an extra device for network config.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Rather than using the hardcoded value 0xffffffff in several places
add a define for the broadcast IP.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Use pr_* functions in the networking code rather than printf() and
debug(). Also Add a "net: " prefix to messages to give them some more
context.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When a nvvar is about to be removed then it is set to NULL
by barebox. This means for the variable to free it's memory.
In this case also do not pass the value to the corresponding
globalvar, since that would set the globalvar to NULL aswell,
but we want to keep its current value.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add a device_detect_all function to detect all devices and use it
in the detect command. This makes the functionality reusable in other
code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The -e option is not that useful. Normally, when a device cannot
be detected, then there should be no reason to not try to detect
other devices. When a user is interested in a particular detect
result, detect can still be called with that (and only that)
device.
We could also argue that the user should not care about the result
of the detect call, but instead check if the desired device is
present afterwards.
Drop handling of the -e option, but still ignore it for compatibility
reasons.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The state framework also has support for SD/eMMC devices, so mention
them in the documentation.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is a port of Linux kernel commit
| commit 0501f2e5ff28a02295e42fc9e7164a20ef4c30d5
| Author: Andreas Fenkart <afenkart@gmail.com>
| Date: Thu Nov 5 10:04:23 2015 +0100
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| mtd: spi-nor: mx25l3205d/mx25l6405d: append SECT_4K
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| according datasheet both chips can erase 4kByte sectors individually
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| Signed-off-by: Andreas Fenkart <andreas.fenkart@dev.digitalstrom.org>
| Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Linux changed the filename in commit 8947e396a829 ("Documentation: dt: mtd:
replace "nor-jedec" binding with "jedec, spi-nor"") and barebox imported this
change in commit 8ed978b79062 ("dts: update to v4.1-rc4").
Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When a nvvar is added with a NULL parameter then it's initialized
with the value of the underlying global variable. Do this aswell
when the nvvar is a device parameter.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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nv variables in the form dev.<devname>.* can be used to make device
parameters persistent. Add these to the completion list to make setting
these variables more convenient.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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As a convenience for users of globalvar_add_simple_string() create an
empty value for the variable when passed a NULL pointer as value.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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