From 3be41c0a042994079bdf1577d6062ac0df46fc0a Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Mon, 25 May 2020 15:59:30 +0200 Subject: imx-atf: react with reset to a system reboot I.e. reset the whole SoC rather than just the AP partition. Related-to: ELB-2702 Signed-off-by: Max Krummenacher --- ...t-Add-NXP-s-SoCs-partition-reboot-support.patch | 41 ++++++++++++++++++++++ recipes-bsp/imx-atf/imx-atf_%.bbappend | 5 ++- 2 files changed, 45 insertions(+), 1 deletion(-) create mode 100644 recipes-bsp/imx-atf/imx-atf/0001-Revert-Add-NXP-s-SoCs-partition-reboot-support.patch diff --git a/recipes-bsp/imx-atf/imx-atf/0001-Revert-Add-NXP-s-SoCs-partition-reboot-support.patch b/recipes-bsp/imx-atf/imx-atf/0001-Revert-Add-NXP-s-SoCs-partition-reboot-support.patch new file mode 100644 index 0000000..052aa3a --- /dev/null +++ b/recipes-bsp/imx-atf/imx-atf/0001-Revert-Add-NXP-s-SoCs-partition-reboot-support.patch @@ -0,0 +1,41 @@ +From a307f33f84b76871ac6879ce93d26525af3e5bd9 Mon Sep 17 00:00:00 2001 +From: Max Krummenacher +Date: Tue, 19 May 2020 20:32:59 +0200 +Subject: [PATCH] Revert "Add NXP's SoCs partition reboot support." + +This reverts commit 13a5c7ece5a13c636e52f22b45f592b72b6453d1. +With commit 13a5c7ece5a1 the SCFW will execute a reboot of the AP +partition as a reaction to a psci_system_reboot, e.g. because of +a Linux reboot. + +This does only reset the SoC partly, i.e. only IP which will not affect +other partitions. As a result on Apalis iMX8 USB HSIC comes up in a +state were it does not recognize our USB3503 hub correctly. + +Refer to the SCFW doc file sc_fw_port.pdf for more info on the various +sc_reboot*, sc_reset* functionalities. + +Upstream-Status: Inappropriate [configuration] + +Related-to: ELB-2702 +Signed-off-by: Max Krummenacher +--- + plat/imx/common/imx8_psci.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/plat/imx/common/imx8_psci.c b/plat/imx/common/imx8_psci.c +index bf0b2f6b1..310f81c2e 100644 +--- a/plat/imx/common/imx8_psci.c ++++ b/plat/imx/common/imx8_psci.c +@@ -21,7 +21,7 @@ void __dead2 imx_system_off(void) + + void __dead2 imx_system_reset(void) + { +- sc_pm_reboot(ipc_handle, SC_PM_RESET_TYPE_COLD); ++ sc_pm_reset(ipc_handle, SC_PM_RESET_TYPE_BOARD); + wfi(); + ERROR("system reset failed.\n"); + panic(); +-- +2.20.1 + diff --git a/recipes-bsp/imx-atf/imx-atf_%.bbappend b/recipes-bsp/imx-atf/imx-atf_%.bbappend index 5d0247e..08549a8 100644 --- a/recipes-bsp/imx-atf/imx-atf_%.bbappend +++ b/recipes-bsp/imx-atf/imx-atf_%.bbappend @@ -5,7 +5,10 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${BPN}:" -SRC_URI_append = " file://0001-imx8m-imx_rdc.c-fix-a-uninitialized-variable.patch" +SRC_URI_append = " \ + file://0001-imx8m-imx_rdc.c-fix-a-uninitialized-variable.patch \ + file://0001-Revert-Add-NXP-s-SoCs-partition-reboot-support.patch \ +" PV = "2.0+git${SRCPV}" SRCBRANCH = "imx_4.14.98_2.3.0" -- cgit v1.2.3