[PATCH] ARM: imx: Enable kaslrseed command on Data Modul i.MX8M Mini/Plus eDM SBC

Marek Vasut marex at denx.de
Mon Jan 22 15:55:48 CET 2024


Linux 6.6.y with KASLR enabled would print the following message on boot:
"
KASLR disabled due to lack of seed
"
Enable the 'kaslrseed' command so a random number seed can be pulled
from CAAM and inserted into the /chosen node 'kaslr-seed' property of
Linux kernel DT before boot, thus letting KASLR work properly.

Signed-off-by: Marek Vasut <marex at denx.de>
---
Cc: Fabio Estevam <festevam at denx.de>
Cc: Stefano Babic <sbabic at denx.de>
---
 configs/imx8mm_data_modul_edm_sbc_defconfig | 2 ++
 configs/imx8mp_data_modul_edm_sbc_defconfig | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/configs/imx8mm_data_modul_edm_sbc_defconfig b/configs/imx8mm_data_modul_edm_sbc_defconfig
index f945aea82d7..bbd6ac053ba 100644
--- a/configs/imx8mm_data_modul_edm_sbc_defconfig
+++ b/configs/imx8mm_data_modul_edm_sbc_defconfig
@@ -115,6 +115,7 @@ CONFIG_CMD_BOOTCOUNT=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_GETTIME=y
+CONFIG_CMD_KASLRSEED=y
 CONFIG_CMD_SYSBOOT=y
 CONFIG_CMD_UUID=y
 CONFIG_CMD_PMIC=y
@@ -210,6 +211,7 @@ CONFIG_DM_REGULATOR_BD71837=y
 CONFIG_SPL_DM_REGULATOR_BD71837=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RNG=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_M41T62=y
 CONFIG_DM_SERIAL=y
diff --git a/configs/imx8mp_data_modul_edm_sbc_defconfig b/configs/imx8mp_data_modul_edm_sbc_defconfig
index d29bc986267..a3e25ea22ab 100644
--- a/configs/imx8mp_data_modul_edm_sbc_defconfig
+++ b/configs/imx8mp_data_modul_edm_sbc_defconfig
@@ -122,6 +122,7 @@ CONFIG_CMD_BOOTCOUNT=y
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_GETTIME=y
+CONFIG_CMD_KASLRSEED=y
 CONFIG_CMD_SYSBOOT=y
 CONFIG_CMD_UUID=y
 CONFIG_CMD_PMIC=y
@@ -229,6 +230,7 @@ CONFIG_DM_REGULATOR_PCA9450=y
 CONFIG_SPL_DM_REGULATOR_PCA9450=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RNG=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_M41T62=y
 CONFIG_DM_SERIAL=y
-- 
2.43.0



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