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-rw-r--r--ARM-dts-bcm2711-Move-emmc2-into-its-own-bus.patch168
1 files changed, 0 insertions, 168 deletions
diff --git a/ARM-dts-bcm2711-Move-emmc2-into-its-own-bus.patch b/ARM-dts-bcm2711-Move-emmc2-into-its-own-bus.patch
deleted file mode 100644
index dd0087104..000000000
--- a/ARM-dts-bcm2711-Move-emmc2-into-its-own-bus.patch
+++ /dev/null
@@ -1,168 +0,0 @@
-From patchwork Wed Mar 4 13:24:37 2020
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-From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
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-Subject: [PATCH v2] ARM: dts: bcm2711: Move emmc2 into its own bus
-Date: Wed, 4 Mar 2020 14:24:37 +0100
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-
-Depending on bcm2711's revision its emmc2 controller might have
-different DMA constraints. Raspberry Pi 4's firmware will take care of
-updating those, but only if a certain alias is found in the device tree.
-So, move emmc2 into its own bus, so as not to pollute other devices with
-dma-ranges changes and create the emmc2bus alias.
-
-Based in Phil ELwell's downstream implementation.
-
-Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
----
-
-Changes since v1:
- - Add comment in dt
- - Fix commit title
-
- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 1 +
- arch/arm/boot/dts/bcm2711.dtsi | 25 ++++++++++++++++++++-----
- 2 files changed, 21 insertions(+), 5 deletions(-)
-
-diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-index 1d4b589fe233..e26ea9006378 100644
---- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-@@ -20,6 +20,7 @@ memory@0 {
- };
-
- aliases {
-+ emmc2bus = &emmc2bus;
- ethernet0 = &genet;
- pcie0 = &pcie0;
- };
-diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
-index d1e684d0acfd..a91cf68e3c4c 100644
---- a/arch/arm/boot/dts/bcm2711.dtsi
-+++ b/arch/arm/boot/dts/bcm2711.dtsi
-@@ -241,17 +241,32 @@ pwm1: pwm@7e20c800 {
- status = "disabled";
- };
-
-+ hvs@7e400000 {
-+ interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
-+ };
-+ };
-+
-+ /*
-+ * emmc2 has different DMA constraints based on SoC revisions. It was
-+ * moved into its own bus, so as for RPi4's firmware to update them.
-+ * The firmware will find whether the emmc2bus alias is defined, and if
-+ * so, it'll edit the dma-ranges property below accordingly.
-+ */
-+ emmc2bus: emmc2bus {
-+ compatible = "simple-bus";
-+ #address-cells = <2>;
-+ #size-cells = <1>;
-+
-+ ranges = <0x0 0x7e000000 0x0 0xfe000000 0x01800000>;
-+ dma-ranges = <0x0 0xc0000000 0x0 0x00000000 0x40000000>;
-+
- emmc2: emmc2@7e340000 {
- compatible = "brcm,bcm2711-emmc2";
-- reg = <0x7e340000 0x100>;
-+ reg = <0x0 0x7e340000 0x100>;
- interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&clocks BCM2711_CLOCK_EMMC2>;
- status = "disabled";
- };
--
-- hvs@7e400000 {
-- interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
-- };
- };
-
- arm-pmu {