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arm64: dts: meson: add ethernet fifo sizes

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If unspecified in DT, the fifo sizes are not automatically detected by
the dwmac1000 dma driver and the reported fifo sizes default to 0.
Because of this, flow control will be turned off on the device.

Add the fifo sizes provided by the datasheets in the SoC in DT so
flow control may be enabled if necessary.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2019-07-18 11:03:01 +02:00 committed by Kevin Hilman
parent 53fbee339a
commit ef68984eab
3 changed files with 6 additions and 0 deletions
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2
arch/arm64/boot/dts/amlogic/meson-axg.dtsi
View File

@ -182,6 +182,8 @@ ethmac: ethernet@ff3f0000 {
<&clkc CLKID_FCLK_DIV2>,
<&clkc CLKID_MPLL2>;
clock-names = "stmmaceth", "clkin0", "clkin1";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
status = "disabled";
};

2
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
View File

@ -106,6 +106,8 @@ ethmac: ethernet@ff3f0000 {
<&clkc CLKID_FCLK_DIV2>,
<&clkc CLKID_MPLL2>;
clock-names = "stmmaceth", "clkin0", "clkin1";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
status = "disabled";
mdio0: mdio {

2
arch/arm64/boot/dts/amlogic/meson-gx.dtsi
View File

@ -493,6 +493,8 @@ ethmac: ethernet@c9410000 {
0x0 0xc8834540 0x0 0x4>;
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
rx-fifo-depth = <4096>;
tx-fifo-depth = <2048>;
status = "disabled";
};