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Author SHA1 Message Date
Gabor Juhos
9be1e508f9 ar71xx: ag71xx: store descriptor packet length mask in ag71xx struct 
The currently used bitmask is not correct for all SoCs.
Introduce a new field in struct ag71xx and store the
bitmask in that. Use the current value for now, it will
be adjusted for each SoCs in further patches.

Aslo use the new field directly in the ag71xx_rx_packets
and ag71xx_hard_start_xmit() functions and remove the
ag71xx_desc_pktlen() helper.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39144
 2013-12-20 11:41:16 +00:00
Gabor Juhos
8b712436f3 ar71xx: implement callback in mdio reset 
This enables us to add fixups to the board specific code for boards that
require special treatment of PHYs on mdio bus reset.

Signed-off-by: Felix Kaechele <heffer@fedoraproject.org>
http://patchwork.openwrt.org/patch/4614/
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39127
 2013-12-17 22:14:10 +00:00
Gabor Juhos
31de995025 ar71xx: ag71xx: compute the RX buffer size from the maximum frame size 
Currently, the AG71XX_RX_PKT_SIZE value limits the received
frame size to 1514/1516 bytes with/without a VLAN header
respectively. However the hardware limit is controlled by
the value the AG71XX_REG_MAC_MFL register which contains
the value of the max_frame_len field.

Compute the RX buffer size from the max_frame_len field
to get rid of the 1514/1516 byte limitation. Also remove
the unused AG71XX_RX_PKT_SIZE definition.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39121
 2013-12-17 16:27:46 +00:00
Gabor Juhos
b35e0da0f4 ar71xx: ag71xx: store RX buffer size in the ag71xx struct 
This allows to change the value dynamically.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39120
 2013-12-17 16:27:44 +00:00
Gabor Juhos
6072e777e9 ar71xx: ag71xx: store maximum frame length in the ag71xx struct 
This will allow to use different values for the
different SoCs.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39117
 2013-12-17 15:18:16 +00:00
Gabor Juhos
ea89cc9250 ar71xx: ag71xx: use mdio bus name in ar7240_probe messages 
The ar7240_probe function uses the network device name
in the kernel log messages, however the name is not yet
initialized when the ar7240_probe function is called.
Use the mdio bus name in the messages to avoid ugly
log lines like the following one:

  eth%d: Found an AR7240/AR9330 built-in switch

Reported-by: Ronald Wahl <ronald.wahl@raritan.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39116
 2013-12-17 15:12:52 +00:00
Gabor Juhos
0d7a6748e1 ag71xx: ag71xx: use device name for debugfs entry 
The ag71xx debugfs code uses the network device name
for the device specific debugfs directory. Since r38689
'ar71xx: ag71xx: fix a race involving netdev registration'
the debugfs initialization happens before the ethernet
device gets registered and the network device name contains
'eth%d' at this point. If the board setup code registers
multiple ag71xx devices, the debugfs code tries to create
the device specific dir with the same name which causes
an error like this:

  eth0: Atheros AG71xx at 0xba000000, irq 5, mode:GMII
  ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.1:04 [uid=004dd041, driver=Generic PHY]
  ag71xx: probe of ag71xx.0 failed with error -12

Use the device name for the debugfs directory to avoid the
collisions. Also add an error message and change the return
code if the debugfs_create_dir call fails.

Reported-by: Ronald Wahl <ronald.wahl@raritan.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39115
 2013-12-17 15:12:50 +00:00
Gabor Juhos
8461ffccc1 ar71xx: add NAND driver for the Mikrotik RB91x boards 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39097
 2013-12-16 12:57:24 +00:00
Gabor Juhos
ec09569b17 ar71xx: ag71xx: fix ag71xx_probe error path 
Signed-off-by: Catalin Patulea <cat@vv.carleton.ca>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38716
 2013-11-11 07:47:00 +00:00
Gabor Juhos
7bd3a7bc7b ar71xx: ag71xx: fix a race involving netdev registration 
In particular, phy_connect before register_netdev. This is because
register_netdev runs the netdev notifiers, which can race with the rest of
the initialization in ag71xx_probe. In my case this manifested in two ways:

1) If ag71xx is compiled as a module and inserted after netifd has started,
   netifd is notified by register_netdev before the call to
   ag71xx_phy_connect. netifd tries to bring the interface up, which calls
   ag71xx_open, which in turn enters ag71xx_phy_start. This keys off
   ag->phy_dev (which is still NULL) and thinks this is a fixed-link board,
   and enters ag71xx_link_adjust. This looks at ag->speed which is not yet
   initialized and hits the BUG() in the switch (ag->speed) in
   ag71xx_link_adjust.

   This is the wrong code path for ag71xx_phy_start - my board has PHYs that
   need to be brought up with phy_start. Doing ag71xx_phy_connect before
   register_netdev ensures that ag->phy_dev is non-NULL before
   ag71xx_phy_start is ever called.

2) When ag71xx is built into the kernel, and netconsole is enabled, there
   is a gap in the initial burst of replayed printks right after the netdev
   comes up. My assumption is that netconsole is also triggered by a netdev
   notifier, and part of this printk burst happens before the call into
   ag71xx_phy_connect, so part of the burst is lost while the PHY comes up.
   This patch fixes the gap - all the printks before eth0 comes up are bursted
   in full when netconsole initializes.

ag71xx_phy_connect_xxx no longer runs with a registered netdev, so the
logging has been adjusted accordingly to avoid "unregistered net_device" or
"eth%d" messages in dmesg.

Signed-off-by: Catalin Patulea <cat@vv.carleton.ca>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38689
 2013-11-08 08:17:54 +00:00
Gabor Juhos
7815af409a ar71xx: ar934x-nfc: disable subpage write when hardware ECC is used 
It is not supported by the controller.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38234
 2013-09-27 11:15:34 +00:00
Gabor Juhos
e33ccdc295 ar71xx: use netgear prefix for WNDR3700 LED names 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38098
 2013-09-21 15:55:50 +00:00
Gabor Juhos
d6fef0cb39 ar71xx: ar934x_nfc: add experimental support for hardware ECC 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38069
 2013-09-19 18:43:41 +00:00
Gabor Juhos
ceecdfb1c9 ar71xx: ar934x_nfc: return error code from some low-level functions 
Change some flow-level unctions to return with an
error code in order to be able to report errors
to the core code.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38068
 2013-09-19 18:43:40 +00:00
Gabor Juhos
df8485c7cb ar71xx: ar934x_nfc: use devm_* functions 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38067
 2013-09-19 18:43:38 +00:00
Felix Fietkau
bbd4d4c8b8 ar71xx: ethernet: reduce tx dma ring size further to improve cache footprint 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37765
 2013-08-13 10:35:10 +00:00
Felix Fietkau
58e049ea80 ar71xx: ethernet: reduce tx and rx DMA ring size to improve cache footprint 
256 entries is a bit excessive, even for gigabit speeds

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37762
 2013-08-12 17:26:03 +00:00
Felix Fietkau
f43b4ea962 ar71xx: ethernet: cache skb->len in the tx function to avoid accessing it again in completion 
Improves ethernet performance, especially during bridging

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37761
 2013-08-12 17:26:00 +00:00
Felix Fietkau
53c3b2a193 ar71xx: fix typo 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37759
 2013-08-12 12:41:53 +00:00
Felix Fietkau
f18fd5512e ar71xx: ethernet: skip calls to netdev_completed_queue and netif_wake_queue if no tx cleanup was done 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37758
 2013-08-12 11:44:35 +00:00
Felix Fietkau
81cfb9e5ed ar71xx: ethernet: do not update the unused dev->last_rx field 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37757
 2013-08-12 11:44:31 +00:00
Felix Fietkau
104ff48e25 ar71xx: add missing return statement in ethernet mtu change op 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37756
 2013-08-12 11:44:28 +00:00
Felix Fietkau
7b05fe59a4 ar71xx: allow mtu > 1500 based on the configured tx/rx mtu register value 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37748
 2013-08-10 15:31:38 +00:00
Felix Fietkau
64dde7d981 ar71xx: add linux 3.10 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37214
 2013-07-09 12:52:18 +00:00
Gabor Juhos
4341b11f3e ar71xx: remove __dev{init,exit} annotations from kernel files 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35687
 2013-02-19 20:52:06 +00:00
Felix Fietkau
2e7a4b088d ar71xx: allow unknown multicast frames to pass to the CPU on AR934x 
SVN-Revision: 35564
 2013-02-11 18:59:05 +00:00
Gabor Juhos
1dc2b6e8fa ar71xx: ag71xx: show PHY interface mode in dmesg 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34880
 2012-12-25 18:45:29 +00:00
Gabor Juhos
9edcd9d3a3 ar71xx: ag71xx: fix mii_bus_dev sanity check 
The mii_bus device is not required if phy_mask is zero.
The driver will use a fixed connection if it is not
specified.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34849
 2012-12-22 12:12:41 +00:00
Gabor Juhos
ad0f03d250 ar71xx: ag71xx: don't start/stop built-in switch w/o mii_bus_dev 
Trying to do that causes a NULL pointer dereference:

CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 801d170c, ra == 801d18d4
Oops[#1]:
Cpu 0
$ 0   : 00000000 00000000 00000000 00000001
$ 4   : 00000000 802e6390 ffff8f45 00000001
$ 8   : 804b5360 ffffff80 802f93bc 00000000
$12   : 802f93e8 00000000 00000000 00000000
$16   : 8381aba0 8381aba0 00000000 00000000
$20   : 8295eff0 00000032 80000000 004101b8
$24   : 00000000 777265b0
$28   : 82936000 82937cf0 00420000 801d18d4
Hi    : 00000000
Lo    : 00000001
epc   : 801d170c ar7240sw_reset+0x1c/0x19c
    Tainted: G           O
ra    : 801d18d4 ag71xx_ar7240_start+0x28/0xc0
Status: 1100fc03    KERNEL EXL IE
Cause : 00800008
BadVA : 00000000
PrId  : 00019750 (MIPS 74Kc)
Modules linked in: ath79_wdt ohci_hcd ledtrig_usbdev ledtrig_netdev
nf_nat_irc nf_nat_ftp nf_conntrack_irc nf_conntrack_ftp
 ipt_MASQUERADE iptable_nat nf_nat pppoe xt_conntrack xt_CT xt_NOTRACK
iptable_raw xt_state nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack
ehci_hcd pppox ipt_REJECT xt_TCPMSS xt_LOG xt_comment xt_multiport
xt_mac xt_limit iptable_mangle iptable_filter ip_tables xt_tcpudp x_tab
les ppp_async ppp_generic slhc ath9k(O) ath9k_common(O) ath9k_hw(O)
ath(O) mac80211(O) usbcore usb_common nls_base crc_ccitt cfg80211(O) c
ompat(O) arc4 aes_generic crypto_blkcipher cryptomgr aead crypto_hash
crypto_algapi ledtrig_timer ledtrig_default_on leds_gpio gpio_button
_hotplug(O)
Process netifd (pid: 677, threadinfo=82936000, task=82cbe140, tls=77803750)
Stack : ffffffff 80087900 00000001 82937d74 8381aba0 8381aba0 00000000 00000000
        8295eff0 801d18d4 8295eff0 801fa4a4 00420000 80092158 00000002 8381aba0
        8381a800 00000000 00000080 801cf900 8027e720 00000000 00000000 8009223c
        8381a800 8381a82c 8027e720 00000000 00000000 7f9d14f0 00420000 801ec08c
        8381a800 801ebfb0 33000000 82937e30 00000001 8381a800 00001003 801ec348
        ...
Call Trace:
[<801d170c>] ar7240sw_reset+0x1c/0x19c
[<801d18d4>] ag71xx_ar7240_start+0x28/0xc0
[<801cf900>] ag71xx_open+0x1d0/0x258
[<801ec08c>] __dev_open+0xcc/0x130
[<801ec348>] __dev_change_flags+0xc0/0x160
[<801ec490>] dev_change_flags+0x20/0x6c
[<801ec5c8>] dev_ifsioc+0xec/0x348
[<801ecdb8>] dev_ioctl+0x594/0x67c
[<800ec00c>] do_vfs_ioctl+0x598/0x5ec
[<800ec0b0>] sys_ioctl+0x50/0x90
[<8006a3c4>] stack_done+0x20/0x40
Code: afbf0024  afb40020  afb10014 <8c910000> 00809021  24100104 24130704  8e440000  02002821

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34848
 2012-12-22 12:12:40 +00:00
Gabor Juhos
1f7ae58a2c ar71xx: ar934x_nfc: allow to control DMA data swap via platform data 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34588
 2012-12-10 10:38:07 +00:00
Gabor Juhos
188908e885 ar71xx: make rb750_nand driver compatible with 3.7 
Also add compatibility patches for the currently
supported kernels.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34279
 2012-11-20 16:29:43 +00:00
Gabor Juhos
8194237789 ar71xx: make ar934x_nfc driver compatible with 3.7 
Also add compatibility patches for the currently
supported kernels.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34278
 2012-11-20 16:29:42 +00:00
Gabor Juhos
46a3b818b9 ar71xx: remove buffer verification reference from rb4xx_nand.c 
It is a dead code.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34276
 2012-11-20 14:40:22 +00:00
Gabor Juhos
d833ca527d ar71xx: restore rb4xx kernel partition size to the original value 
The new lzma compressed elf kernel image fits into
that, even on devices with large page NAND chips.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 34274
 2012-11-20 12:17:45 +00:00
Gabor Juhos
a6549ac1cb ar71xx: remove NO_AUTOINCR flag from the NAND drivers 
The flag is not present in 3.6.
Also add compatibility patches for 3.3.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33971
 2012-10-28 12:21:15 +00:00
Gabor Juhos
e2ec99889e ar71xx: ag71xx: fix build_skb arguments for 3.6 
Also add a compatibility patch for 3.3

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33969
 2012-10-27 17:11:06 +00:00
Gabor Juhos
269872fe1e ar71xx: use mtd_read in wrt160nl_part 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33951
 2012-10-27 07:57:58 +00:00
Gabor Juhos
973eda6077 ar71xx: use mtd_read in tplinkpart 
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33950
 2012-10-27 07:57:57 +00:00
Gabor Juhos
7c85646176 ar71xx: ar934x_nfc: remove unused oob parameter of ar934x_nfc_send_read 
SVN-Revision: 33454
 2012-09-17 20:30:55 +00:00
Gabor Juhos
3bdf0bc36f ar71xx: ar934x_nfc: increase DMA retry count 
SVN-Revision: 33453
 2012-09-17 20:30:54 +00:00
Gabor Juhos
b7cb43f6a6 ar71xx: ar934x_nfc: optimize READOOB operation on large page devices 
SVN-Revision: 33452
 2012-09-17 20:30:53 +00:00
Gabor Juhos
96dde2e591 ar71xx: ar934x_nfc: fix RNDOUT operation 
SVN-Revision: 33451
 2012-09-17 20:30:51 +00:00
Gabor Juhos
338b698fb6 ar71xx: ar934x_nfc: fix READ{0,1} operation on large page devices 
SVN-Revision: 33450
 2012-09-17 20:30:50 +00:00
Gabor Juhos
1e5fdbeae5 ar71xx: ar934x_nfc: experimental NAND Flash Controller driver for AR934x 
SVN-Revision: 33385
 2012-09-13 07:26:22 +00:00
Gabor Juhos
7592057774 ar71xx: add dynamic MDIO clock calculation 
SVN-Revision: 33342
 2012-09-09 14:05:17 +00:00
Gabor Juhos
b8618fd3f2 ar71xx: improve MDIO busy wait code 
SVN-Revision: 32586
 2012-07-03 15:24:02 +00:00
Felix Fietkau
a9cd8446f3 ar71xx: do not override the mdio clock for ar9330. the override value (obtained from an atheros driver) seems to break ethernet functionality 
SVN-Revision: 31956
 2012-05-28 20:39:50 +00:00
Felix Fietkau
367e4b3994 ar71xx: improve rx performance of the ethernet driver by using build_skb to deliver a cache-hot skb to the network stack 
SVN-Revision: 31934
 2012-05-28 02:55:59 +00:00
Felix Fietkau
8039a1bbb2 ar71xx: fix MII clock settings for various chips, improves ethernet stability on AR934x 
SVN-Revision: 31925
 2012-05-27 21:02:41 +00:00
Felix Fietkau
a3f2fd187b ar71xx: remove AG71XX_RX_PKT_RESERVE, it is no longer necessary (found by Eric Dumazet) 
SVN-Revision: 31736
 2012-05-15 10:36:39 +00:00
Felix Fietkau
0ff3c396d3 kernel: rewrite the phy packet hook, put it in the network stack to avoid having to keep non-upstream ethernet driver changes 
SVN-Revision: 31637
 2012-05-06 21:19:14 +00:00
Gabor Juhos
3e3a4d3d6b ar71xx: allow to disable link polling on unused PHYs 
SVN-Revision: 31533
 2012-04-29 18:29:24 +00:00
Gabor Juhos
a447f1810c ar71xx: enable MIB counters in the built-in switch of the AR934x 
SVN-Revision: 31476
 2012-04-25 13:02:11 +00:00
Gabor Juhos
5348f46c80 ar71xx: add latch_change field to rb750_led_platform_data 
SVN-Revision: 31023
 2012-03-19 15:57:01 +00:00
Gabor Juhos
8a471efe01 ar71xx: add platform data for the RB750 NAND driver 
SVN-Revision: 31022
 2012-03-19 15:56:59 +00:00
Gabor Juhos
c00b53f3d0 ar71xx: move micrel PHY driver to the generic linux target 
SVN-Revision: 30946
 2012-03-15 09:25:53 +00:00
Gabor Juhos
ff909edf94 ar71xx: ag71xx: fix ARP frame reception on AR934x switch ports 
SVN-Revision: 30926
 2012-03-13 17:29:38 +00:00
Gabor Juhos
cd6a4cde13 ar71xx: ag71xx: start aneg on switch PHYs after reset 
SVN-Revision: 30925
 2012-03-13 17:29:37 +00:00
Gabor Juhos
7c9534cfd7 ar71xx: ag71xx: poll PHY status of all available switch ports 
SVN-Revision: 30924
 2012-03-13 17:29:36 +00:00
Gabor Juhos
8449eecf5f ar71xx: ag71xx: allow to use port 5 of the AR934x built-in switch 
SVN-Revision: 30923
 2012-03-13 17:29:34 +00:00
Gabor Juhos
c455a0f7be ar71xx: ag71xx: fix get_port_link callback 
SVN-Revision: 30841
 2012-03-07 16:32:35 +00:00
Gabor Juhos
5a83b3a5c7 ar71xx: ag71xx: use the generic get_port_link implementation 
SVN-Revision: 30840
 2012-03-07 16:32:34 +00:00
Gabor Juhos
7052847972 ar71xx: ag71xx: keep VLAN tags if VLAN is not enabled 
SVN-Revision: 30768
 2012-03-01 19:49:05 +00:00
Gabor Juhos
766999085a ar71xx: ag71xx: add BQL support 
It will be usable only from linux-3.3.

Based on a patch by Dave Taht <dave.taht@bufferbloat.net>

SVN-Revision: 30417
 2012-02-10 14:56:47 +00:00
Gabor Juhos
32a18a05f8 ar71xx: add preliminary support for 3.3 
SVN-Revision: 30410
 2012-02-10 11:53:56 +00:00
Gabor Juhos
fe0c7aac66 ar71xx: merge 3.2 fixes 
SVN-Revision: 30406
 2012-02-10 08:19:33 +00:00
Gabor Juhos
d72bde99cd ar71xx: merge files-3.2 to files 
SVN-Revision: 30405
 2012-02-10 08:19:31 +00:00
Gabor Juhos
d5d37febb4 ar71xx: use dynamically allocated partitions in wrt160nl_part 
SVN-Revision: 29970
 2012-01-31 18:36:51 +00:00
Gabor Juhos
386cbfe45b ar71xx: move arch specific files to files-2.6.39 
SVN-Revision: 29867
 2012-01-22 22:38:11 +00:00
Gabor Juhos
e7dee3aeed ar71xx: wrt160nl_part: include module.h and fix compiler warnings 
SVN-Revision: 29856
 2012-01-22 17:55:38 +00:00
Gabor Juhos
a7d344565b ar71xx: tplinkpart: include module.h 
SVN-Revision: 29855
 2012-01-22 17:55:36 +00:00
Gabor Juhos
6c2638c5e2 ar71xx: rename vsc7385 spi driver 
SVN-Revision: 29853
 2012-01-22 13:51:57 +00:00
Gabor Juhos
bb16739db9 ar71xx: rename ap81 spi driver 
SVN-Revision: 29852
 2012-01-22 13:51:56 +00:00
Gabor Juhos
5ef8b922fa ar71xx: rename rb4xx spi drivers 
SVN-Revision: 29851
 2012-01-22 13:51:54 +00:00
Gabor Juhos
aad175d5b6 ar71xx: rename the nxp_74hc153 driver 
SVN-Revision: 29850
 2012-01-22 13:51:52 +00:00
Gabor Juhos
f90e578903 ar71xx: include linux/module.h in the micrel phy driver 
SVN-Revision: 29848
 2012-01-22 13:51:49 +00:00
Gabor Juhos
88d8cdd503 ar71xx: pb44_spi: add shutdown handler 
This allows to access the flash from a kexec'd kernel.

SVN-Revision: 29710
 2012-01-11 09:14:18 +00:00
Gabor Juhos
e1b7995aef ar71xx: pb44_spi: call pb44_spi_{en,dis}able from probe/remove 
SVN-Revision: 29709
 2012-01-11 09:14:17 +00:00
Gabor Juhos
67444c7795 ar71xx: pb44_spi: introduce pb44_spi_{en,dis}able helpers 
SVN-Revision: 29708
 2012-01-11 09:14:15 +00:00
Gabor Juhos
0f566a376c ar71xx: ar71xx_spi: add shutdown handler 
This allows to access the flash from a kexec'd kernel.

SVN-Revision: 29707
 2012-01-11 09:14:14 +00:00
Gabor Juhos
09a6e3f662 ar71xx: ar71xx_spi: save and restore regs from probe/remove 
SVN-Revision: 29706
 2012-01-11 09:14:13 +00:00
Gabor Juhos
714a9bd641 ar71xx: ar71xx_wdt: add shutdown handler 
SVN-Revision: 29705
 2012-01-11 09:14:11 +00:00
Gabor Juhos
8eb0b7ab3d ar71xx: fix sections mismatch warnings in the nand drivers 
SVN-Revision: 29667
 2012-01-05 18:08:33 +00:00
Gabor Juhos
8c2482f76e ar71xx: ag71xx: implement get_port_{link,stats} callbacks 
SVN-Revision: 29626
 2011-12-31 15:02:26 +00:00
Felix Fietkau
db0a1db257 ar71xx: set a reserved bit that resets to 1 when writing the address table control register on the ar7240 switch (should fix #10547) 
SVN-Revision: 29598
 2011-12-22 05:43:53 +00:00
Gabor Juhos
36bc2c2c80 ar71xx: ag71xx: fix switch port setup for AR934X 
SVN-Revision: 29554
 2011-12-15 22:25:32 +00:00
Gabor Juhos
00667c3846 ar71xx: ag71xx: allow to connect PHY4 to the CPU on AR934X 
SVN-Revision: 29553
 2011-12-15 22:25:30 +00:00
Gabor Juhos
0540970345 ar71xx: ag71xx: setup switch interface mode on AR934X 
SVN-Revision: 29552
 2011-12-15 22:25:29 +00:00
Gabor Juhos
44014110b8 ar71xx: ag71xx: detect the built-in switch of the AR934X SoCs 
SVN-Revision: 29551
 2011-12-15 22:25:28 +00:00
Gabor Juhos
9ae65588d8 ar71xx: introduce ar71xx_switch_data 
SVN-Revision: 29549
 2011-12-15 22:25:11 +00:00
Gabor Juhos
850be54b72 ar71xx: tplinkpart: allow to detect JFFS2 as well 
SVN-Revision: 29543
 2011-12-15 22:03:40 +00:00
Gabor Juhos
b7d7481b07 ar71xx: ag71xx: check PHY IDs before accessing the switch registers 
SVN-Revision: 29541
 2011-12-15 13:25:23 +00:00
Gabor Juhos
0655552860 ar71xx: ag71xx: don't use port 4 of the switch, it is not connected on ar724x 
SVN-Revision: 29540
 2011-12-15 13:25:21 +00:00
Gabor Juhos
204fc6bed5 ar71xx: ag71xx: nuke ar7240sw_init 
SVN-Revision: 29539
 2011-12-15 13:25:20 +00:00
Gabor Juhos
3e7a6d182a ar71xx: check squashfs signature in TP-Link mtd parser 
SVN-Revision: 29446
 2011-12-05 14:52:33 +00:00
Gabor Juhos
514b1167c9 ar71xx: add mtd partition parser for the TP-Link boards 
SVN-Revision: 29415
 2011-12-03 18:13:27 +00:00
Gabor Juhos
aa0c8c4885 ar71xx: add AR71XX_ prefix to GPIO_REG_* defines 
SVN-Revision: 29123
 2011-11-14 17:43:11 +00:00
Gabor Juhos
62a7795afd ar71xx: merge nand scan patch 
SVN-Revision: 29122
 2011-11-14 17:43:10 +00:00
Gabor Juhos
d2316b2a45 ar71xx: ag71xx: add support for getting switch port link status 
SVN-Revision: 29017
 2011-11-13 11:27:04 +00:00
Gabor Juhos
34015ed6e8 ar71xx: ag71xx: remove unused mii_ctrl field from struct ag71xx 
SVN-Revision: 29015
 2011-11-13 11:27:01 +00:00
Gabor Juhos
2d882cff23 ar71xx: ag71xx: remove unused mii_cfg related functions and defines 
SVN-Revision: 29014
 2011-11-13 11:27:00 +00:00
Gabor Juhos
538a9493b9 ar71xx: set MII interface speed from the set_speed callbacks 
SVN-Revision: 29013
 2011-11-13 11:26:59 +00:00
Gabor Juhos
93cd46be13 ar71xx: rename set_pll callback to set_speed in ag71xx_platform_data 
Also rename the corresponding callback functions.

SVN-Revision: 29012
 2011-11-13 11:26:57 +00:00
Gabor Juhos
9579bb4267 ar71xx: ag71xx: remove MII interface setup code 
SVN-Revision: 29011
 2011-11-13 11:26:56 +00:00
Gabor Juhos
2f9e535e89 ar71xx: ag71xx: use fixed link parameters if the mii bus is not registered 
SVN-Revision: 28977
 2011-11-12 10:54:16 +00:00
Felix Fietkau
7a2efd8c28 ar71xx: remove dead code 
SVN-Revision: 28851
 2011-11-08 00:33:20 +00:00
Felix Fietkau
94309039b7 ar71xx: on ar7240, exclude ports from their own port vlan destination mask 
SVN-Revision: 28850
 2011-11-08 00:33:15 +00:00
Jonas Gorski
c674c874b7 ag71xx: close a race between the phy state machine and link state 
A fast stop/start cycle could leave the ag71xx interrupts and tx engine
disabled when using a phy driver with a fixed link and the start/stop
happens between two phy state machine polls.

Prevent this by always forcing the link down on stop regardless of phy
state and having a phy connected.

SVN-Revision: 28380
 2011-10-08 11:37:14 +00:00
Felix Fietkau
1bdf65f580 ar71xx: fix register range check for DMA stuck checks (thx, Frédéric Moulins) 
SVN-Revision: 28213
 2011-09-11 17:44:12 +00:00
Felix Fietkau
12c84f8eeb ar71xx: add some code to detect DMA stuck conditions on ar7240 
SVN-Revision: 27975
 2011-08-13 22:30:14 +00:00
Felix Fietkau
85ccc74e1b ar71xx: on ar724x only reset the link status in the restart handler, the fast reset takes care of DMA stuck issues 
SVN-Revision: 27973
 2011-08-13 21:49:46 +00:00
Felix Fietkau
4b75394056 ar71xx: fix ethernet FIFO state corruption on ar7240 
When starting/stopping DMA sometimes the FIFO state gets corrupted,
leading to wildly fluctuating latencies or packet data corruption.
Fix this by issuing a fast MAC reset as soon as the link is detected
as up. Fixes #9689, #9405

SVN-Revision: 27896
 2011-08-04 17:36:31 +00:00
Felix Fietkau
d2aeca6b6d ag71xx: fix memory corruption issues on ar7240 on ethernet start/stop 
When the DMA engine state gets corrupted due to a hardware issues, it
often won't stop rx until a full reset is issued. In that case the hardware
must keep a valid descriptor, otherwise it will write to random places in
system RAM, triggering random crashes. To fix this, keep a dummy descriptor
without a buffer that keeps the DMA engine in a sane state until the reset
is done

SVN-Revision: 27895
 2011-08-04 17:36:27 +00:00
Felix Fietkau
500c3a1475 ar71xx: fix MAC/MDIO reset mask handling 
SVN-Revision: 27894
 2011-08-04 17:36:23 +00:00
Felix Fietkau
c7173a211d ar71xx: reinitialize global switch settings after reset on ar7240 
SVN-Revision: 27705
 2011-07-20 14:39:47 +00:00
Felix Fietkau
ca473833c4 ar71xx: configure address aging on ar7240 
SVN-Revision: 27704
 2011-07-20 14:39:42 +00:00
Felix Fietkau
fefc79f3cb ar71xx: reset the phy in the ethernet init on ar724x 
SVN-Revision: 27703
 2011-07-20 12:04:34 +00:00
Felix Fietkau
005fe5d1fd ar71xx: make sure that rx and interrupts are disabled before issuing the hardware reset 
SVN-Revision: 27702
 2011-07-20 12:04:29 +00:00
Felix Fietkau
e7ab000008 ar71xx: increase the delay after the ethernet MAC reset 
SVN-Revision: 27701
 2011-07-20 12:04:25 +00:00
Felix Fietkau
255dcaa3a6 ar71xx: fix an unused variable warning 
SVN-Revision: 27700
 2011-07-20 12:04:20 +00:00
Felix Fietkau
f3d693c0ee ar71xx: do not reset the hardware on transmit timeout - this would mess up the up the PHY state 
SVN-Revision: 27568
 2011-07-09 06:30:13 +00:00
Felix Fietkau
2806c75c07 ag71xx: keep the rx engine stopped while the link is not up, should hopefully fix stability issues from #9405 
SVN-Revision: 27567
 2011-07-09 06:29:46 +00:00
Gabor Juhos
d98476c6bd ar71xx: merge 2.6.39 patches 
Also remove the old UART driver for ar933x.

SVN-Revision: 27314
 2011-06-29 08:57:37 +00:00
Gabor Juhos
6627574e57 ar71xx: add 2.6.39 support 
SVN-Revision: 27310
 2011-06-29 08:57:32 +00:00
Gabor Juhos
e6af77a1c8 ar71xx: cleanup AR933X UART driver 
SVN-Revision: 27222
 2011-06-19 13:17:51 +00:00
Gabor Juhos
b7e016ba42 ar71xx: use ar933x_uart.h in the AR933X serial driver 
SVN-Revision: 27166
 2011-06-13 08:12:40 +00:00
Gabor Juhos
13363d9129 ar71xx: setup wdt_clock for AR913X to avoid a kernel bug 
Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>

SVN-Revision: 27102
 2011-06-04 12:30:10 +00:00
Felix Fietkau
31dd60689e Revert "ar71xx: only enable the rx engine after the link is up..." 
It messes up the DMA state when the link goes down

SVN-Revision: 27088
 2011-06-01 18:15:43 +00:00
Gabor Juhos
b460bc6f12 ar71xx: add serial driver for the AR933X UART 
SVN-Revision: 27065
 2011-05-31 22:53:40 +00:00
Gabor Juhos
88c45e3130 ar71xx: the watchdog uses the reference clock on the AR933x SoCs 
SVN-Revision: 27060
 2011-05-31 22:53:34 +00:00
Gabor Juhos
0677e16248 ar71xx: Fix header offset for newer WRT160NL models 
Newer WRT160NLs have a flash chip with 4K erase blocks instead of 64K,
resulting in miscalculated partition sizes.
Since the actual sizes did not change, hardcode them to their current
sizes, and make sure they are at least one erase block big (in case Cisco
decides to start to use chips with 128K erase blocks).

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>

SVN-Revision: 27049
 2011-05-31 22:53:20 +00:00
Gabor Juhos
60d5abbc27 ar71xx: ag71xx: make ring sizes configurable via ethtool 
SVN-Revision: 27041
 2011-05-31 22:53:10 +00:00
Gabor Juhos
7a2651f633 ar71xx: ag71xx: prepare to make ring sizes configurable 
SVN-Revision: 27040
 2011-05-31 22:53:09 +00:00
Gabor Juhos
669aba3871 ar71xx: ag71xx: nuke unused AG71XX_TX_FIFO_LEN define 
Reported-by: Dave Täht <dave.taht@gmail.com>

SVN-Revision: 27039
 2011-05-31 22:53:07 +00:00
Felix Fietkau
2b5402d128 ar71xx: only enable the rx engine after the link is up, fixes a race condition that got rx stuck when the interface is brought up during lots of inbound traffic (thx, matteo) 
SVN-Revision: 27035
 2011-05-30 23:08:01 +00:00
Felix Fietkau
0ebc93831f ar71xx: disable flow control for ar724x, it can get stuck in a loop of continously sending MAC pause frames 
SVN-Revision: 27034
 2011-05-30 23:07:57 +00:00
Matteo Croce
4deecea26b ar71xx: detect link on LAN ports 
SVN-Revision: 26922
 2011-05-17 11:12:56 +00:00
Matteo Croce
c0c2e18452 use correct macros and frame size in ag71xx 
SVN-Revision: 26890
 2011-05-14 23:10:06 +00:00
Gabor Juhos
5d77f370d6 ar71xx: ag71xx: make switch register access atomic 
Reading of the PHY registers occasionally returns with bogus values
under heavy load. This misleads the PHY driver and thus causes false
link/speed change notifications which leads to performance loss.

This is easily noticable during an iperf session:

...
[  3] 52.0-53.0 sec  11.3 MBytes  94.4 Mbits/sec
[  3] 53.0-54.0 sec  11.4 MBytes  95.4 Mbits/sec
eth1: link down
br-lan: port 2(eth1) entering forwarding state
eth1: link up (100Mbps/Full duplex)
br-lan: port 2(eth1) entering forwarding state
br-lan: port 2(eth1) entering forwarding state
[  3] 54.0-55.0 sec  6.75 MBytes  56.6 Mbits/sec
[  3] 55.0-56.0 sec  0.00 Bytes  0.00 bits/sec
[  3] 56.0-57.0 sec  10.5 MBytes  88.1 Mbits/sec
...
[  3] 169.0-170.0 sec  11.4 MBytes  95.4 Mbits/sec
[  3] 170.0-171.0 sec  11.4 MBytes  95.4 Mbits/sec
eth1: link up (10Mbps/Half duplex)
[  3] 171.0-172.0 sec  7.63 MBytes  64.0 Mbits/sec
[  3] 172.0-173.0 sec  9.38 MBytes  78.6 Mbits/sec
eth1: link up (100Mbps/Full duplex)
[  3] 173.0-174.0 sec  11.3 MBytes  94.4 Mbits/sec
[  3] 174.0-175.0 sec  11.4 MBytes  95.4 Mbits/sec

SVN-Revision: 26856
 2011-05-08 16:32:53 +00:00
Gabor Juhos
3711658281 ar71xx: ag71xx: fix section mismatch warnings 
The function __devinit ag71xx_probe() references
a function __devexit ag71xx_phy_disconnect().
This is often seen when error handling in the init function
uses functionality in the exit path.
The fix is often to remove the __devexit annotation of
ag71xx_phy_disconnect() so it may be used outside an exit section.

The function ag71xx_phy_disconnect() references a function in an exit
section.
Often the function ag71xx_ar7240_cleanup() has valid usage outside the
exit section
and the fix is to remove the __devexit annotation of
ag71xx_ar7240_cleanup.

SVN-Revision: 26855
 2011-05-08 13:30:36 +00:00
Gabor Juhos
ef53029870 ar71xx: ag71xx: fix build error if debugfs is enabled 
SVN-Revision: 26854
 2011-05-08 13:30:26 +00:00
Gabor Juhos
8b67d748cb ar71xx: ag71xx: add debugfs entry for [rt]x_ring 
SVN-Revision: 26845
 2011-05-07 12:40:34 +00:00
Gabor Juhos
2166432ba0 ar71xx: ag71xx: add timestamps to ag71xx_buf 
SVN-Revision: 26844
 2011-05-07 12:40:28 +00:00
Gabor Juhos
896e1d1ab4 ar71xx: ag71xx: use dynamically allocated buffer for napi_stats 
SVN-Revision: 26843
 2011-05-07 12:40:26 +00:00
Gabor Juhos
a6708d20d1 ar71xx: ag71xx: use debugfs_remove_recursive 
SVN-Revision: 26842
 2011-05-07 12:40:25 +00:00
Gabor Juhos
a8bf5e3cdb ar71xx: rename ar934x_ref_freq to ar71xx_ref_freq 
Also initialize that for each SoC and print its value along with the
other frequencies.

SVN-Revision: 26561
 2011-04-09 18:47:52 +00:00
Gabor Juhos
2b064bb398 ar71xx: add support for the watchdog of the AR934x SoCs 
Signed-off-by: Jaiganesh Narayanan <jnarayanan@atheros.com>

SVN-Revision: 26516
 2011-04-07 20:53:10 +00:00
Felix Fietkau
41ee4a283c ar71xx: only allow internal access to the ar7240 switch, export the MDIO bus behind the switch instead 
SVN-Revision: 26393
 2011-04-02 00:47:29 +00:00
Felix Fietkau
acbb3e50e7 ar71xx: frequent ethernet mac resets upset the MDIO bus on ar7240, so do not run them on every device open, only on tx timeouts 
SVN-Revision: 26392
 2011-04-02 00:47:25 +00:00
Gabor Juhos
23a6173099 ar71xx: use gpio_*_cansleep calls in the rb4xx NAND driver 
SVN-Revision: 24944
 2011-01-09 09:29:45 +00:00