Tegra: handler to check support for System Suspend
Tegra210 SoCs need the sc7entry-fw to enter System Suspend mode,
but there might be certain boards that do not have this firmware
blob. To stop the NS world from issuing System suspend entry
commands on such devices, we ned to disable System Suspend from
the PSCI "features".
This patch removes the System suspend handler from the Tegra PSCI
ops, so that the framework will disable support for "System Suspend"
from the PSCI "features".
Original change by: kalyani chidambaram <kalyanic@nvidia.com>
Change-Id: Ie029f82f55990a8b3a6debb73e95e0e218bfd1f5
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
diff --git a/plat/nvidia/tegra/soc/t186/plat_setup.c b/plat/nvidia/tegra/soc/t186/plat_setup.c
index 8bf8382..06a3284 100644
--- a/plat/nvidia/tegra/soc/t186/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t186/plat_setup.c
@@ -291,13 +291,16 @@
return ret;
}
+/*******************************************************************************
+ * Handler to relocate BL32 image to TZDRAM
+ ******************************************************************************/
void plat_relocate_bl32_image(const image_info_t *bl32_img_info)
{
const plat_params_from_bl2_t *plat_bl31_params = plat_get_bl31_plat_params();
const entry_point_info_t *bl32_ep_info = bl31_plat_get_next_image_ep_info(SECURE);
uint64_t tzdram_start, tzdram_end, bl32_start, bl32_end;
- if ((bl32_img_info != NULL) && (bl32_ep_info != NULL)) {
+ if ((bl32_img_info != NULL) && (bl32_ep_info != NULL)) {
/* Relocate BL32 if it resides outside of the TZDRAM */
tzdram_start = plat_bl31_params->tzdram_base;
@@ -326,3 +329,11 @@
}
}
}
+
+/*******************************************************************************
+ * Handler to indicate support for System Suspend
+ ******************************************************************************/
+bool plat_supports_system_suspend(void)
+{
+ return true;
+}