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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-20 19:53:50 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-20 19:57:15 +0100
commitb7c5924f1f4c2c9c8030aac14b9b86cd69044894 (patch)
tree0ee502fa4bd240d51344d64172886bfa02e472a0 /target
parent906c87814dbf5e3d7f26bdeae198f01a3c189e40 (diff)
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bcm27xx: enable bcm2711 HW RNG
Also add a patch setting its quality, which should make it usable by khwrngd. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> (cherry-picked from commit 670526efa3)
Diffstat (limited to 'target')
-rw-r--r--target/linux/bcm27xx/bcm2709/config-5.41
-rw-r--r--target/linux/bcm27xx/bcm2711/config-5.41
-rw-r--r--target/linux/bcm27xx/patches-5.4/960-hwrng-iproc-set-quality-to-1000.patch25
3 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/bcm2709/config-5.4 b/target/linux/bcm27xx/bcm2709/config-5.4
index 98ac433752..a4f6b3c0b4 100644
--- a/target/linux/bcm27xx/bcm2709/config-5.4
+++ b/target/linux/bcm27xx/bcm2709/config-5.4
@@ -246,6 +246,7 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_HW_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_BCM2835=y
+CONFIG_HW_RANDOM_IPROC_RNG200=y
CONFIG_HZ=100
CONFIG_HZ_100=y
CONFIG_HZ_FIXED=0
diff --git a/target/linux/bcm27xx/bcm2711/config-5.4 b/target/linux/bcm27xx/bcm2711/config-5.4
index 2ba8bfba3d..df6237f51e 100644
--- a/target/linux/bcm27xx/bcm2711/config-5.4
+++ b/target/linux/bcm27xx/bcm2711/config-5.4
@@ -258,6 +258,7 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_HW_CONSOLE=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_BCM2835=y
+CONFIG_HW_RANDOM_IPROC_RNG200=y
CONFIG_HZ=250
CONFIG_HZ_250=y
CONFIG_I2C=y
diff --git a/target/linux/bcm27xx/patches-5.4/960-hwrng-iproc-set-quality-to-1000.patch b/target/linux/bcm27xx/patches-5.4/960-hwrng-iproc-set-quality-to-1000.patch
new file mode 100644
index 0000000000..0ceec49d7b
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/960-hwrng-iproc-set-quality-to-1000.patch
@@ -0,0 +1,25 @@
+From d3e5e7f3a4e6f61e8c380b9a610212267ee72dbd Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Sat, 20 Feb 2021 19:24:50 +0100
+Subject: [PATCH] hwrng: iproc: set quality to 1000
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This allows khwrngd to make use of iproc-rng200.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ drivers/char/hw_random/iproc-rng200.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/char/hw_random/iproc-rng200.c
++++ b/drivers/char/hw_random/iproc-rng200.c
+@@ -270,6 +270,7 @@ static int iproc_rng200_probe(struct pla
+
+ priv->rng.name = pdev->name;
+ priv->rng.cleanup = iproc_rng200_cleanup;
++ priv->rng.quality = 1000;
+
+ if (of_device_is_compatible(dev->of_node, "brcm,bcm2711-rng200")) {
+ priv->rng.init = bcm2711_rng200_init;