openwrt/target/linux/layerscape/patches-5.4/804-crypto-0013-MLK-9769-9-crypto-caam-adjust-RNG-timing-to-support-.patch
Yangbo Lu cddd459140 layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/

For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.

The patches are sorted into the following categories:
  301-arch-xxxx
  302-dts-xxxx
  303-core-xxxx
  701-net-xxxx
  801-audio-xxxx
  802-can-xxxx
  803-clock-xxxx
  804-crypto-xxxx
  805-display-xxxx
  806-dma-xxxx
  807-gpio-xxxx
  808-i2c-xxxx
  809-jailhouse-xxxx
  810-keys-xxxx
  811-kvm-xxxx
  812-pcie-xxxx
  813-pm-xxxx
  814-qe-xxxx
  815-sata-xxxx
  816-sdhc-xxxx
  817-spi-xxxx
  818-thermal-xxxx
  819-uart-xxxx
  820-usb-xxxx
  821-vfio-xxxx

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
2020-05-07 12:53:06 +02:00

37 lines
1.3 KiB
Diff

From 5bc830089553a445952d69a73e0a9f5fdf9d0f19 Mon Sep 17 00:00:00 2001
From: Victoria Milhoan <vicki.milhoan@freescale.com>
Date: Wed, 12 Nov 2014 09:58:24 -0700
Subject: [PATCH] MLK-9769-9 crypto: caam - adjust RNG timing to support more
devices
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Adjust RNG timing parameters to support more i.MX6 devices.
Signed-off-by: Victoria Milhoan <vicki.milhoan@freescale.com>
Signed-off-by: Dan Douglass <dan.douglass@freescale.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
(cherry picked from commit 57eabb638430ec68490d192738640b95a3507b1d)
Changed commit headline prefix.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
---
drivers/crypto/caam/ctrl.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -364,8 +364,8 @@ static void kick_trng(struct platform_de
wr_reg32(&r4tst->rtsdctl, val);
/* min. freq. count, equal to 1/4 of the entropy sample length */
wr_reg32(&r4tst->rtfrqmin, ent_delay >> 2);
- /* disable maximum frequency count */
- wr_reg32(&r4tst->rtfrqmax, RTFRQMAX_DISABLE);
+ /* max. freq. count, equal to 16 times the entropy sample length */
+ wr_reg32(&r4tst->rtfrqmax, ent_delay << 4);
/* read the control register */
val = rd_reg32(&r4tst->rtmctl);
start_rng: