conf/machine: am62xx: Update build flag for low power mode

Update build flag for arm-trusted-firmware to include low power mode
support

K3_PM_SYSTEM_SUSPEND is added in arm-trusted-firmware now which enables
low power mode support for am62xx.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Praneeth Bajjuri <praneeth@ti.com>
Signed-off-by: Ryan Eatmon <reatmon@ti.com>
Signed-off-by: Denys Dmytriyenko <denys@konsulko.com>
Signed-off-by: Ryan Eatmon <reatmon@ti.com>

2 files changed, 3 insertions, 0 deletions

diff --git a/meta-ti-bsp/conf/machine/include/am62xx.inc b/meta-ti-bsp/conf/machine/include/am62xx.inc
index bcf435f5..fff1312f 100644
--- a/meta-ti-bsp/conf/machine/include/am62xx.inc
+++ b/meta-ti-bsp/conf/machine/include/am62xx.inc
@@ -19,5 +19,7 @@ do_image_wic[mcdepends] = "mc::k3r5:ti-sci-fw:do_deploy"
 do_image_tar[mcdepends] = "mc::k3r5:ti-sci-fw:do_deploy"
 
 TFA_BOARD = "lite"
+TFA_K3_SYSTEM_SUSPEND = "1"
+
 OPTEEMACHINE = "k3-am65x"
 OPTEEOUTPUTMACHINE = "k3"
diff --git a/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend b/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
index 32f913ca..45d56451 100644
--- a/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
+++ b/meta-ti-bsp/recipes-bsp/trusted-firmware-a/trusted-firmware-a_%.bbappend
@@ -9,6 +9,7 @@ TFA_INSTALL_TARGET:k3 = "bl31"
 TFA_SPD:k3 = "opteed"
 
 EXTRA_OEMAKE:append:k3 = "${@ ' K3_USART=' + d.getVar('TFA_K3_USART') if d.getVar('TFA_K3_USART') else ''}"
+EXTRA_OEMAKE:append:k3 = "${@ ' K3_PM_SYSTEM_SUSPEND=' + d.getVar('TFA_K3_SYSTEM_SUSPEND') if d.getVar('TFA_K3_SYSTEM_SUSPEND') else ''}"
 
 do_compile:append:am65xx-hs-evm() {
         export TI_SECURE_DEV_PKG=${TI_SECURE_DEV_PKG}