Linux DTS compatible MDIO bitbanging driver.
Both clause 22 and clause 45 MDIO supported and validated.
Heavily based on the Linux drivers (more or less the same code base).
Signed-off-by: Markus Gothe <markus.gothe@genexis.eu>
This reverts commit 431be621c6.
Section 3.3 of Reduced Gigabit Media Independent Interface (RGMII)
Version 2.0 (4/1/2002) details that a PHYs using a ~2ns internal delay
are referred to as RGMII-ID. This internal delay is optional.
Page 147-148 of the Marvell Doc. No. MV-S107146-U0 Rev. F details
timings of the RX/TX delays. We see that with the TX/RX_CLK delay
enabled, our RX/TX_CTL signal is shifted w.r.t CLK to reflect the delay
added.
In 431be62 there is no timing difference between RGMII and RGMII-ID, and
so programmers wanting to explicitly set their PHY to RGMII will find
that delay added anyway. This could throw off timing if that internal
delay is undesired.
We should be handling all 4 possible RGMII cases of PHY_INTERFACE_MODE:
RGMII, RGMII_ID, RGMII_TXID, and RGMII_RXID. Reverting 431be62
implements this.
See also m88e1111_config_init_rgmii_delays in the equivalent driver in
Linux (drivers/net/phy/marvell.c), which does not set these delays in
RGMII mode.
68e6eca was tested out on an 88E1512 PHY in RGMII-ID mode. This
reversion has been tested by myself on an 88E1518 in RGMII-ID mode. This
patch affects boards using this driver in "rgmii" mode, as the internal
delay will no longer be enabled. Namely kikwood-nsa310s.
Signed-off-by: Rufus Segar <rhs@riseup.net>
Currently the driver relies on bootph flag to probe it during PRE_RELOC
stage but with the upcoming cleanup of v6.13, we don't have the bootph
property in the parent nodes anymore and ti_sci driver being one of the
parent nodes required during SPL stage would end up hampering the probe
model [0].
Add DM_FLAG_PRE_RELOC to ti_sci driver for mitigating this issue.
[0]: https://source.denx.de/u-boot/custodians/u-boot-dm/-/issues/21
Suggested-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
The wget command currently cannot work correctly with mtk_eth driver.
This patch fixed this by increase DMA ring size and invalidate ring data
after use.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Enable GDMA cpu bridge only when 10Gb interface is enabled for GMAC other
than GMAC0, or when MT7988 internal switch is used.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Not all platforms supports sgmii and/or usxgmii. So we add Kconfig
options for these features and enable them only for supported
platforms.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
MT7629 need extra setting for gmac2 to work. So additional
capability is added for mt7629 to handle this case.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
Unlike other platforms, mt7622 has only one SGMII and it can be
attached to either gmac1 or gmac2. So the register field of the
sgmii selection differs from other platforms as newer platforms can
control each sgmii individually.
This patch adds a new capability for mt7622 to handle this case.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
The register field for SGMII speed selection is a 2-bit field with
value 0 for 1Gbps and 1 for 2.5Gbps (2/3 are reserved).
So it's necessary to set both bits instead of just setting/clearing
only the lower bit.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
According to the mt7629 programming guide, the CLK_TOP_F10M_REF_SEL
shares the same parent selection with CLK_TOP_IRRX_SEL, while the
present parent selection for CLK_TOP_F10M_REF_SEL is actually used
for CLK_TOP_SGMII_REF_1_SEL.
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
The mpc8xxx_gpio driver contains a workaround for certain chips
where the previously written state of outputs cannot be read back
from the GPIO data (GPDAT) register (MPC8572/MPC8536). This workaround
consists of tracking the state of GPDAT in a "shadow register" (i.e. a
software variable). The shadow register is initialized to zero.
This results in a problem w.r.t. outputs that are configured to a
high (1) state before U-Boot runs, but not touched by U-Boot itself:
Due to the zero-initialization, these GPIOs end up being set to zero,
the first time that any other output is set.
To avoid such issues initialize the GPDAT shadow register to the value
previously held by any outputs, if possible. On MPC8572/MPC8536 this
should make no difference, i.e. the shadow register should be
initialized to zero on these chips.
This patch has been tested on a MPC8314E-based board.
Reviewed-by: Sinan Akman <sinan@writeme.com>
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
TBU and TBL are specified as two 32-bit registers that form a 64-bit
value, but the calculation only shifted TBU by 16 bits.
Fix this by actually shifting 32 bits.
Reviewed-by: Sinan Akman <sinan@writeme.com>
Signed-off-by: J. Neuschäfer <j.ne@posteo.net>
Update the spi_nor_read() function based on the config SPI_FLASH_BAR
and update the length and bank calculation by spliting the memory of
16MB size banks only when the address width is 3byte.
Fix the read issue for 4byte address width by passing the entire
length to the read function.
Fixes: 5d40b3d384 ("mtd: spi-nor: Add parallel and stacked memories support")
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@amd.com>
Add support for mapping C22 register access to C45-only PHYs.
This is mainly useful for 'mii info' command, which performs
C22 only access to determine PHY ID and link state and does
not work well with this driver so far.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Implement C22 PHY access support in addition to C45 PHY access
support which is already present. This is used for PHYs which
do not support C45 access or which are C22 only.
The C22 access can be recognized when devad is set to -1 or
0xffffffff hex, which also matches MDIO_DEVAD_NONE macro. Test
for this special devad value and if it is set this way, perform
C22 access, otherwise perform C45 access.
Based on work by LUU HOAI <hoai.luu.ub@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
The Set Station Management Mode : Clause 45 setting of MFF bit in MPSM
register can be done in rswitch_mii_access_c45() once, instead of this
being done before each rswitch_mii_access_c45() call. Deduplicate the
bit setting into rswitch_mii_access_c45(). No functional change.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Replace enum rswitch_reg with plain #define REGISTER OFFSET macros.
The enum rswitch_reg was not referenced anywhere, so there was no
benefit of keeping it around. Include register block labels. Turn
all register offsets into lowercase hex values. No functional change.
Rename EATDQDC to EATDQDCR, GWTRC to GWTRCR, GWDCC to GWDCCR, FWPC0
to FWPC, FWPBFC to FWPBFCR, FWPBFCSDC to FWPBFCSDCR because there
are both register names which used to be part of this enum and also
macros with the same name, each used for slightly different purpose.
Make sure there is no collission.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Add R-Car Gen4 APMU controller remoteproc driver capable of starting
the Cortex-R52 cores in Renesas R8A779G0 V4H/V4M SoC. The APMU IP is
in fact a power management unit capable of additional operations, but
those are not used by U-Boot so far.
This requires slight adjustment to the SPL entry point code, as that
is being executed on the Cortex-R52 #0 and the Cortex-R52 #0 enters an
endless loop once it starts the rest of the SPL on Cortex-A76 core.
The endless loop now checks for content of APMU CRBARP registers and
tests whether valid VLD_BARP and BAREN_VALID bits are set, if so, the
Cortex-R52 core exits the endless loop and jumps to address started
in CRBARP[31:18] register in ARM mode, which is a trampoline code to
jump to the final entry point.
The trampoline code is in place to avoid limitation of CRBARP[31:18]
address field, which limits the core start address to memory addresses
aligned to 0x40000 or 256 kiB . The trampoline is placed at 0x40000
aligned address and jumps to the final entry point, which can be at
an address with arbitrary alignment at instruction granularity.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Add Renesas R-Car Gen4 DBSC5 DRAM controller driver. This driver is currently
capable of bringing LPDDR5 DRAM on Renesas R-Car V4H Whitehawk board. Further
boards can be supported by supplying board specific DRAM configuration data
via dbsc5_get_board_data(). Support for R-Car V4M is not implemented, however
the driver is already mostly prepared to support this SoC.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Use the IS_ENABLED() macro to reduce amount of #ifdef use in the driver
and improve code coverage. With IS_ENABLED() macro, the code is compiled
and then optimized out, which prevents bitrot.
In case no PFC table matches the SoC in use, do not probe the driver
and instead exit with -ENODEV. This should never happen under normal
conditions, because this would mean the driver DT compatible string
match happened, but the list in probe() cannot match the model listed
in match data associated with the compatible string on which the match
did happen.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- INTC/INTC-EX
- MSIOF
- PWM
- SSI
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- SSI
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- INTC-EX
- MSIOF
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- CAN/CANFD
- DU
- INTC-EX
- MSIOF
- PWM
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- INTC/INTC-EX
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN/CANFD
- DU
- INTC-EX
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN
- DU
- INTC
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- CAN
- DU
- INTC
- MSIOF
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN
- DU
- INTC
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reduce the PFC tables by ifdeffing out pinmux settings which are
unlikely to be used by U-Boot. This helps reduce the size of the
bootloader in the 10 kiB range. This includes conditional build
of these PFC additions:
- Audio
- CAN
- DU
- INTC
- MSIOF
- PWM
- SSI
- VIN
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
By default the pin multiplexing tables used by U-Boot are reduced
to keep the size of the bootloader low. This option allows build of
full pin multiplexing tables the same way they are included in the
Linux kernel. This includes pin multiplexing options for Audio, CAN,
CANFD, DU, INTC, INTC-EX, MSIOF, PWM, SSI, for which there is no
U-Boot driver. This option is disabled by default.
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
