This patch improves the default configuration of DWC2 on lantiq SoCs
somewhat:
* Set maximum packet count to largest allowed value by the DWC2 (511)
* Use 16-bit DMA bursts
* Divide fifo buffers more evenly
Default fifo buffer sizes from original ltq-hcd driver seem really
irrational. For example according to DWC2 data book rxfifo size of 240
will not fit even a single full length USB packet. On the other hand
non-periodic tx fifo size of 240 is more than enough to fit one complete
packet.
Change the sizes around to improve the situation and to fix some issues
especially with isochronous USB transfers.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
SVN-Revision: 47563
This should help finding potential problems with the SPI driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 47209
Until now the SPI driver used the TX bits for the RX FIFO. This seems
uncritical for now since both are equals on my devices (VR9), but this
could cause problems on other SoCs.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 47208
Port of r41856.
In contrast to the brcm63xx target, it isn't sufficient to enable/disable
the bridge. The device needs to be enabled/disabled to fix the hang. The
bridge will be automatically enabled by the time the connected device is
enabled.
Fixes boot on TD-W8980.
Signed-off-by: Mathias Kresin <openwrt@kresin.me>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 47129
Add AR9 DTS definition to be recognized by the DWC2 driver.
The same driver parameters can be mostly used except that some boards
seem to erroneously report OTG HNP/SRP capability of the USB HCD.
Forcing the HNP/SRP off allows these boards to work with the DWC2 as well.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
SVN-Revision: 46915
Based on the ltq-hcd driver the AR9 USB can be initialized the same way
as the VR9 platform. Use the same initialization bits for both
platforms.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
SVN-Revision: 46913
Fixes support for AR9287 on TP-Link TD-W8980 and possibly other devices
which have an ath wifi chip at a PCI address other than 0xb8000000
(TD-W8980 for example has it's wifi chip at 0xbc000000).
Signed-off-by: Geoffrey McRae <geoff@spacevs.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 46869
The BT Home Hub 5A uses three PEF7071 with PHY ID 0xd565a401. Daniel's
PHY driver (for his u-boot sources) already supports that PHY because
it uses a PHY ID mask of 0xfffffff8.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 46670
Basically the only error I am seeing is "Correctable Error". Also newer
lantiq PCIe drivers have this message wrapped in a "if debug enabled"
block. So it should be safe to disable this warning.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 46222
Make it consistent with the net_device struct and the xrx200 driver
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 46219
There are already ifx_pcie_bios_{map_irq,plat_dev_init} hooks defined in
ifxmips_pcie.c. Instead of defining a new hook we simply re-use the
existing ones (this is basically what the lantiq BSP code does).
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 45718
The PCIe bus seems to require a hack/workaround when PCI is enabled as
well. Unfortunately this is guarded by an CONFIG_IFX_PCI ifdef, which is
only defined in lantiq's BSP code. The config symbol for the upstream
lantiq PCI driver is CONFIG_PCI_LANTIQ.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
SVN-Revision: 45717
This patch switches calls to readl/writel to their
dwc2_readl/dwc2_writel equivalents which preserve platform endianness.
This patch is necessary to access dwc2 registers correctly on big
endian systems such as the mips based SoCs made by Lantiq. Then dwc2
can be used to replace ifx-hcd driver for Lantiq platforms found e.g.
in OpenWrt.
The patch was autogenerated with the following commands:
$EDITOR core.h
sed -i "s/\<readl\>/dwc2_readl/g" *.c hcd.h hw.h
sed -i "s/\<writel\>/dwc2_writel/g" *.c hcd.h hw.h
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
SVN-Revision: 44675
Lantiq driver does not work with autodetected fifo sizes so use ones
from original ltq-hcd driver in dwc2. Other values can be
autodetected.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
SVN-Revision: 44674
Port gpio code from original ltq-hcd driver to dwc2.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
SVN-Revision: 44673
Add VR9 specific usb initialization bits from ltq-hcd to platform
initialization.
This patch is more of a proof-of-concept than production quality
since the initialization registers are different on other lantiq
platforms.
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Signed-off-by: Vincent Pelletier <plr.vincent@gmail.com>
SVN-Revision: 44672
Some Lantiq SoCs are not able to use buffered writes properly with
Intel command set flash due to the way NOR addresses on EBU are
manipulated. This patch disables buffered writes on those devices.
The only device affected at the moment is ARV4510PW, others use
AMD/Fujitsu command set.
Signed-off-by: Matti Laakso <malaakso@elisanet.fi>
SVN-Revision: 44451
For targets with NO_XIP ltq_mtd->map[i].phys equals -1 and devm_ioremap fails.
Fix this by using pdev->resource[i].start instead.
Signed-off-by: Matti Laakso <malaakso@elisanet.fi>
SVN-Revision: 44450
