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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 18:04:33 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-18 23:42:32 +0100 |
| commit | f07e572f6447465d8938679533d604e402b0f066 (patch) | |
| tree | cb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch | |
| parent | 5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff) | |
| download | upstream-f07e572f6447465d8938679533d604e402b0f066.tar.gz upstream-f07e572f6447465d8938679533d604e402b0f066.tar.bz2 upstream-f07e572f6447465d8938679533d604e402b0f066.zip | |
bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch b/target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch new file mode 100644 index 0000000000..fef644e1c9 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0405-ARM-dts-Add-sd_poll_once-dtparam-to-bcm283x-2711.patch @@ -0,0 +1,59 @@ +From 3ef2bbe381adc17d135f8f9b22a43a242eb80c63 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Thu, 30 Jan 2020 09:47:00 +0000 +Subject: [PATCH] ARM: dts: Add sd_poll_once dtparam to bcm283x/2711 + +The old sdtweak overlay allowed the SD interface to be effectively +disabled unless there was a card present at boot time, but that +overlay doesn't work on bcm2711 and has largely been replaced by +a set of sd_* dtparams (which have the advantage of being board- +specific. + +Add an sd_poll_once dtparam to allow the same functionality on +all Raspberry Pi boards. + +See: https://github.com/raspberrypi/linux/issues/3286 + +Signed-off-by: Phil Elwell <phil@raspberrypi.org> +--- + arch/arm/boot/dts/bcm2708-rpi.dtsi | 1 + + arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 2 ++ + arch/arm/boot/dts/overlays/README | 7 +++++++ + 3 files changed, 10 insertions(+) + +--- a/arch/arm/boot/dts/bcm2708-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi +@@ -92,6 +92,7 @@ + watchdog = <&watchdog>,"status"; + random = <&random>,"status"; + sd_overclock = <&sdhost>,"brcm,overclock-50:0"; ++ sd_poll_once = <&sdhost>,"non-removable?"; + sd_force_pio = <&sdhost>,"brcm,force-pio?"; + sd_pio_limit = <&sdhost>,"brcm,pio-limit:0"; + sd_debug = <&sdhost>,"brcm,debug"; +--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts ++++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts +@@ -363,5 +363,7 @@ + + eth_led0 = <&phy1>,"led-modes:0"; + eth_led1 = <&phy1>,"led-modes:4"; ++ ++ sd_poll_once = <&emmc2>, "non-removable?"; + }; + }; +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -165,6 +165,13 @@ Params: + sd_overclock Clock (in MHz) to use when the MMC framework + requests 50MHz + ++ sd_poll_once Looks for a card once after booting. Useful ++ for network booting scenarios to avoid the ++ overhead of continuous polling. N.B. Using ++ this option restricts the system to using a ++ single card per boot (or none at all). ++ (default off) ++ + sd_force_pio Disable DMA support for SD driver (default off) + + sd_pio_limit Number of blocks above which to use DMA for |