meta-somdevices: Enable UART4 to A53 environment.

Signed-off-by: Josep Orga <jorga@somdevices.com>

diff --git a/recipes-bsp/imx-atf/files/0002-imx8mm-Enable-UART4-to-A53-environment.patch b/recipes-bsp/imx-atf/files/0002-imx8mm-Enable-UART4-to-A53-environment.patch
new file mode 100644 (file)
index 0000000..c435808
--- /dev/null
+++ b/recipes-bsp/imx-atf/files/0002-imx8mm-Enable-UART4-to-A53-environment.patch
@@ -0,0 +1,26 @@
+From dd902bf059d4bfeec9a8d45310c0d651aafacc49 Mon Sep 17 00:00:00 2001
+From: Josep Orga <jorga@somdevices.com>
+Date: Wed, 21 Dec 2022 11:04:22 +0100
+Subject: [PATCH] imx8mm: Enable UART4 to A53 environment.
+
+Signed-off-by: Josep Orga <jorga@somdevices.com>
+---
+ plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c b/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
+index f63b9fcad..a89c7f941 100644
+--- a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
++++ b/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
+@@ -58,7 +58,7 @@ static const struct imx_rdc_cfg rdc[] = {
+       RDC_MDAn(RDC_MDA_M4, DID1),
+ 
+       /* peripherals domain permission */
+-      RDC_PDAPn(RDC_PDAP_UART4, D1R | D1W),
++      RDC_PDAPn(RDC_PDAP_UART4, D0R | D0W),
+       RDC_PDAPn(RDC_PDAP_UART2, D0R | D0W),
+       RDC_PDAPn(RDC_PDAP_UART1, D0R | D0W),
+ 
+-- 
+2.25.1
+

diff --git a/recipes-bsp/imx-atf/imx-atf_%.bbappend b/recipes-bsp/imx-atf/imx-atf_%.bbappend
index bcd6b87..aff186d 100644 (file)
--- a/recipes-bsp/imx-atf/imx-atf_%.bbappend
+++ b/recipes-bsp/imx-atf/imx-atf_%.bbappend
@@ -2,4 +2,5 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 # COMPATIBLE_MACHINE = "(imx8|imx8mm-somdevices-c0p1)"
 SRC_URI += " \
     file://0001-Change-bl32-base-address-for-imx8mm-platform.patch \
+    file://0002-imx8mm-Enable-UART4-to-A53-environment.patch \
 "