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* ag71xx: fix build error with debugfs codeFelix Fietkau2016-02-111-5/+7
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48695
* ag71xx: increase rx ring size to improve performanceFelix Fietkau2016-02-111-2/+2
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48694
* ag71xx: store ring size order instead of ring size to avoid div/modFelix Fietkau2016-02-113-41/+58
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48693
* ag71xx: increase tx ring size to improve performanceFelix Fietkau2016-02-111-2/+2
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48692
* ag71xx: optimize icache footprint of the receive poll functionFelix Fietkau2016-02-111-3/+10
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48691
* ar71xx: use page fragment API in the ethernet driverFelix Fietkau2016-01-311-10/+24
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48578
* ar71xx: fix a few include errorsFelix Fietkau2016-01-301-1/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48562
* ar71xx: fix ethernet MAC reset on DMA hangFelix Fietkau2016-01-131-38/+55
| | | | | | | | | Fully reset the chip like on a full up/down, but without the PHY statemachine restart. Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48228
* ar71xx: extend ethernet DMA stuck check to all ar724x (and newer) chipsFelix Fietkau2016-01-131-1/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48227
* ar71xx: clean up ethernet tx queue after reset, wake queues when done - ↵Felix Fietkau2015-12-141-3/+8
| | | | | | | | fixes hangs reported in #18922 Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 47892
* ar71xx: add LED driver NU801John Crispin2015-12-111-0/+396
| | | | | | | | | The MR18 uses a 3-channel 16-bit PWM Constant Current Driver for its status LED. Signed-off-by: Chris R Blake <chrisrblake93@gmail.com> SVN-Revision: 47848
* ar71xx: add 64kb bootloader mtd parser for tplinkpartJohn Crispin2015-08-171-6/+29
| | | | | | | | | | | Signed-off-by: Weijie Gao <hackpascal@gmail.com> This patch adds flash layout parser for TP-Link firmwares which have a 64kb bootloader. This is used for TP-Link TL-WDR6500 v2. SVN-Revision: 46662
* ar71xx: remove the use of the obsolete IRQF_DISABLED flag in the NAND flash ↵Felix Fietkau2015-07-201-1/+1
| | | | | | | | driver (fixes #20125) Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 46433
* ar71xx: ag71xx remove IRQF_DISABLEDJohn Crispin2015-07-091-1/+1
| | | | | | | | | | no-op since 2.6.35 removed in Kernel 4.1 see https://lwn.net/Articles/380931/ Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de> SVN-Revision: 46280
* ar71xx: ar934x-nfc: allow ECC to be configured in software BCH modeFelix Fietkau2015-06-181-0/+4
| | | | | | | | | Some devices ship with NAND images that use BCH ECC. Let the driver know about that ECC mode so that it can be selected by machine files. Signed-off-by: Thomas Hebb <tommyhebb@gmail.com> SVN-Revision: 46022
* ar71xx: return limit as number of processed frames when re-scheduling NAPI pollFelix Fietkau2015-06-141-1/+1
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 45971
* ar71xx: generalize cybertan partition parserJohn Crispin2015-03-111-6/+0
| | | | | | | | | | By removing the NL16 signature check, the parser can be utilized by other devices like the WD My Net Wi-fi Range Extender. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> SVN-Revision: 44664
* ar71xx: rename wrt160nl's trx partition parserJohn Crispin2015-03-111-18/+18
| | | | | | | | | This patch renames the partition parser from wrt160nl to more generic cybertan. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> SVN-Revision: 44663
* ar71xx: fix gpio-latch driverJohn Crispin2015-03-101-1/+2
| | | | | | | | gpio api has changed. the remove call no longer returns a value. Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44650
* ar71xx: fix mv88e6063 compile for 3.14John Crispin2015-02-151-1/+2
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44459
* ar71xx: add v3.18 supportJohn Crispin2015-02-152-1/+21
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44456
* ar71xx: improve ethernet driver cache footprint by removing an unnecessary ↵Felix Fietkau2014-12-093-27/+36
| | | | | | | | pointer Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 43588
* ag71xx: replace delay with sleep callsJohn Crispin2014-12-072-6/+6
| | | | | | | | | | | | I don't see that we're in an atomic context so there's no need to busy-wait. Therefore replace the delay with sleep calls. See also Documentation/timers/timers-howto.txt. It states: "In general, use of mdelay is discouraged and code should be refactored to allow for the use of msleep." Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> SVN-Revision: 43539
* ag71xx: replace fixed PHY reset wait time in ar7240sw_setupJohn Crispin2014-12-071-1/+28
| | | | | | | | | Replace the fixed wait time of 1s with polling for BMCR_RESET to be cleared on all PHYs. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> SVN-Revision: 43538
* ar71xx: ack completed tx descriptors only after the full frame has been ↵Felix Fietkau2014-09-101-10/+16
| | | | | | | | completed Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42457
* ar71xx: re-enable descriptor splitting on ar716x after the previous bugfixes ↵Felix Fietkau2014-09-061-2/+0
| | | | | | | | (#13072) Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42429
* ar71xx: fix off-by-one error in packet descriptor splitting (patch from #13072)Felix Fietkau2014-09-061-1/+6
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42428
* ar71xx: on ar716x, split ethernet packets in 512 byte chunks instead of 256 ↵Felix Fietkau2014-09-061-1/+1
| | | | | | | | (improves performance) (patch from #13072) Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42427
* ar71xx: disable ethernet descriptor splitting for now, as it seems to cause ↵Felix Fietkau2014-08-301-0/+2
| | | | | | | | tx hangs in some setups Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42333
* ar71xx: split packets into multiple descriptors on ar716xFelix Fietkau2014-08-293-28/+105
| | | | | | | | | | | This improves performance when doing concurrent rx/tx on a single ethernet MAC, e.g. when routing between VLANs. Fixes #13072 Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 42328
* kernel: modify mtd related patches for 3.14Hauke Mehrtens2014-05-082-2/+6
| | | | | | | | | | | | The change is the same as ("kernel/generic: modify mtd related patches"). Since these files are under files directory, not a files directory of specific kernel version, better to also change them. So it will avoid adding files to future specific files directory (e.g. files-3.14) for this mtd related change. Signed-off-by: Zhao, Gang <gamerh2o@gmail.com> SVN-Revision: 40732
* ar71xx: rb91x-nand: rewrite to use GPIO APIGabor Juhos2014-02-231-114/+136
| | | | | | | | | Rewrite tha rb91x-nand driver to use GPIO API to modify the NAND control lines. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39700
* ar71xx: add a generic GPIO latch driverGabor Juhos2014-02-221-0/+219
| | | | | | | | It will be used for the Mikrotik boards. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39697
* ar71xx: ag71xx: increase calculated max frame length valueGabor Juhos2014-01-111-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The r39147 commit introduces a regression: at lease on some routers with ar8216 switch large packets get lost if 802.1q tagged port is used on the interface connected to the aforementioned switch. The r39147 changes code in the way so interface is set to accept packets no longer than max ethernet frame length for a given mtu. Unfortunately ar8216 has a feature: it sends two additional bytes as a packet header and those this header needs to be added to the max frame length. Otherwise long enough packets get lost. The problem only manuifests itself if interface is used in vlan tagged mode. If interface is untagged then ar8216's header fits into space used by 802.1q tag and not packets are lost. Include two additional bytes in the max frame length calculation to fix the issue. This patch is tested and works with Trendnet TEW-632BRP. Signed-off-by Nikolay Martynov <mar.kolya@gmail.com> Patchwork: http://patchwork.openwrt.org/patch/4656/ [juhosg: - simplify the patch to include the additional bytes of the switch header unconditionally, - change subject and update commit message] Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39219
* ar71xx: ag71xx: fix max frame length setup of the built-in switchesGabor Juhos2013-12-201-5/+12
| | | | | | | | | | | | | The currently used bitmask of the maximum frame length field is wrong for both models. On AR724x/AR933x the largest frame size is 2047 bytes, on the AR934x it is 16383 bytes. Make the MTU setup code model specific, and use the correct bitmask for both models. Also change the value to the maximum. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39148
* ar71xx: ag71xx: calculate max frame len register value from the MTUGabor Juhos2013-12-201-3/+15
| | | | | | | | | | | | | | | Set the MAX_FRAME_LEN register to zero in ag71xx_hw_init() and write the correct value into that from the ag71xx_open() and ag71xx_fast_reset() functions. Also recalculate the RX buffer size based on the actual maximum frame length value to optimize memory allocation. Additionaly, disallow to change the MTU value while the interface it running. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39147
* ar71xx: ag71xx: add ag71xx_max_frame_len() helperGabor Juhos2013-12-201-2/+8
| | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39146
* ar71xx: ag71xx: get max_frame_len and desc_pktlen_mask from platform dataGabor Juhos2013-12-201-2/+5
| | | | | | | | This will allow to use SoC specific values for both. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39145
* ar71xx: ag71xx: store descriptor packet length mask in ag71xx structGabor Juhos2013-12-202-7/+5
| | | | | | | | | | | | | | | 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
* ar71xx: implement callback in mdio resetGabor Juhos2013-12-171-0/+3
| | | | | | | | | | | 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
* ar71xx: ag71xx: compute the RX buffer size from the maximum frame sizeGabor Juhos2013-12-172-3/+1
| | | | | | | | | | | | | | | | 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
* ar71xx: ag71xx: store RX buffer size in the ag71xx structGabor Juhos2013-12-172-6/+8
| | | | | | | | This allows to change the value dynamically. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39120
* ar71xx: ag71xx: store maximum frame length in the ag71xx structGabor Juhos2013-12-172-2/+8
| | | | | | | | | This will allow to use different values for the different SoCs. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39117
* ar71xx: ag71xx: use mdio bus name in ar7240_probe messagesGabor Juhos2013-12-171-4/+4
| | | | | | | | | | | | | | | 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
* ag71xx: ag71xx: use device name for debugfs entryGabor Juhos2013-12-171-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | 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
* ar71xx: add NAND driver for the Mikrotik RB91x boardsGabor Juhos2013-12-161-0/+355
| | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39097
* ar71xx: ag71xx: fix ag71xx_probe error pathGabor Juhos2013-11-111-1/+3
| | | | | | | Signed-off-by: Catalin Patulea <cat@vv.carleton.ca> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38716
* ar71xx: ag71xx: fix a race involving netdev registrationGabor Juhos2013-11-082-23/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* ar71xx: ar934x-nfc: disable subpage write when hardware ECC is usedGabor Juhos2013-09-271-0/+6
| | | | | | | | It is not supported by the controller. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38234
* ar71xx: use netgear prefix for WNDR3700 LED namesGabor Juhos2013-09-211-1/+1
| | | | | | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 38098
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