Tegra: add platform specific 'runtime_setup' handler
Tegra SoCs would like the flexibility to perform chip specific actions
before we complete cold boot. This patch introduces a platform specific
'runtime_setup' handler to provide that flexibility.
Change-Id: I13b2489f631f775cae6f92acf51a240cd036ef11
Signed-off-by: Kalyani Chidambaram Vaidyanathan <kalyanic@nvidia.com>
diff --git a/plat/nvidia/tegra/common/tegra_bl31_setup.c b/plat/nvidia/tegra/common/tegra_bl31_setup.c
index c8bce05..cb4886f 100644
--- a/plat/nvidia/tegra/common/tegra_bl31_setup.c
+++ b/plat/nvidia/tegra/common/tegra_bl31_setup.c
@@ -253,31 +253,9 @@
void bl31_plat_runtime_setup(void)
{
/*
- * During cold boot, it is observed that the arbitration
- * bit is set in the Memory controller leading to false
- * error interrupts in the non-secure world. To avoid
- * this, clean the interrupt status register before
- * booting into the non-secure world
- */
- tegra_memctrl_clear_pending_interrupts();
-
- /*
- * During boot, USB3 and flash media (SDMMC/SATA) devices need
- * access to IRAM. Because these clients connect to the MC and
- * do not have a direct path to the IRAM, the MC implements AHB
- * redirection during boot to allow path to IRAM. In this mode
- * accesses to a programmed memory address aperture are directed
- * to the AHB bus, allowing access to the IRAM. This mode must be
- * disabled before we jump to the non-secure world.
- */
- tegra_memctrl_disable_ahb_redirection();
-
-#if defined(TEGRA_SMMU0_BASE)
- /*
- * Verify the integrity of the previously configured SMMU(s) settings
+ * Platform specific runtime setup
*/
- tegra_smmu_verify();
-#endif
+ plat_runtime_setup();
/*
* Add final timestamp before exiting BL31.
diff --git a/plat/nvidia/tegra/include/tegra_private.h b/plat/nvidia/tegra/include/tegra_private.h
index f1a4948..cc2ad86 100644
--- a/plat/nvidia/tegra/include/tegra_private.h
+++ b/plat/nvidia/tegra/include/tegra_private.h
@@ -87,6 +87,7 @@
void plat_late_platform_setup(void);
void plat_relocate_bl32_image(const image_info_t *bl32_img_info);
bool plat_supports_system_suspend(void);
+void plat_runtime_setup(void);
/* Declarations for plat_secondary.c */
void plat_secondary_setup(void);
diff --git a/plat/nvidia/tegra/soc/t132/plat_setup.c b/plat/nvidia/tegra/soc/t132/plat_setup.c
index 9f9abac..49e8b5d 100644
--- a/plat/nvidia/tegra/soc/t132/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t132/plat_setup.c
@@ -173,3 +173,29 @@
{
return true;
}
+
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+ /*
+ * During cold boot, it is observed that the arbitration
+ * bit is set in the Memory controller leading to false
+ * error interrupts in the non-secure world. To avoid
+ * this, clean the interrupt status register before
+ * booting into the non-secure world
+ */
+ tegra_memctrl_clear_pending_interrupts();
+
+ /*
+ * During boot, USB3 and flash media (SDMMC/SATA) devices need
+ * access to IRAM. Because these clients connect to the MC and
+ * do not have a direct path to the IRAM, the MC implements AHB
+ * redirection during boot to allow path to IRAM. In this mode
+ * accesses to a programmed memory address aperture are directed
+ * to the AHB bus, allowing access to the IRAM. This mode must be
+ * disabled before we jump to the non-secure world.
+ */
+ tegra_memctrl_disable_ahb_redirection();
+}
diff --git a/plat/nvidia/tegra/soc/t186/plat_setup.c b/plat/nvidia/tegra/soc/t186/plat_setup.c
index ab374a4..d6d090a 100644
--- a/plat/nvidia/tegra/soc/t186/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t186/plat_setup.c
@@ -27,6 +27,7 @@
#include <mce.h>
#include <memctrl.h>
+#include <smmu.h>
#include <tegra_def.h>
#include <tegra_platform.h>
#include <tegra_private.h>
@@ -363,3 +364,34 @@
{
return true;
}
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+ /*
+ * During cold boot, it is observed that the arbitration
+ * bit is set in the Memory controller leading to false
+ * error interrupts in the non-secure world. To avoid
+ * this, clean the interrupt status register before
+ * booting into the non-secure world
+ */
+ tegra_memctrl_clear_pending_interrupts();
+
+ /*
+ * During boot, USB3 and flash media (SDMMC/SATA) devices need
+ * access to IRAM. Because these clients connect to the MC and
+ * do not have a direct path to the IRAM, the MC implements AHB
+ * redirection during boot to allow path to IRAM. In this mode
+ * accesses to a programmed memory address aperture are directed
+ * to the AHB bus, allowing access to the IRAM. This mode must be
+ * disabled before we jump to the non-secure world.
+ */
+ tegra_memctrl_disable_ahb_redirection();
+
+ /*
+ * Verify the integrity of the previously configured SMMU(s)
+ * settings
+ */
+ tegra_smmu_verify();
+}
diff --git a/plat/nvidia/tegra/soc/t194/plat_setup.c b/plat/nvidia/tegra/soc/t194/plat_setup.c
index 1998e9c..8f7d1e9 100644
--- a/plat/nvidia/tegra/soc/t194/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t194/plat_setup.c
@@ -20,7 +20,9 @@
#include <bl31/interrupt_mgmt.h>
#include <mce.h>
#include <mce_private.h>
+#include <memctrl.h>
#include <plat/common/platform.h>
+#include <smmu.h>
#include <spe.h>
#include <tegra_def.h>
#include <tegra_platform.h>
@@ -414,3 +416,34 @@
{
return true;
}
+
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+ /*
+ * During cold boot, it is observed that the arbitration
+ * bit is set in the Memory controller leading to false
+ * error interrupts in the non-secure world. To avoid
+ * this, clean the interrupt status register before
+ * booting into the non-secure world
+ */
+ tegra_memctrl_clear_pending_interrupts();
+
+ /*
+ * During boot, USB3 and flash media (SDMMC/SATA) devices need
+ * access to IRAM. Because these clients connect to the MC and
+ * do not have a direct path to the IRAM, the MC implements AHB
+ * redirection during boot to allow path to IRAM. In this mode
+ * accesses to a programmed memory address aperture are directed
+ * to the AHB bus, allowing access to the IRAM. This mode must be
+ * disabled before we jump to the non-secure world.
+ */
+ tegra_memctrl_disable_ahb_redirection();
+
+ /*
+ * Verify the integrity of the previously configured SMMU(s) settings
+ */
+ tegra_smmu_verify();
+}
diff --git a/plat/nvidia/tegra/soc/t210/plat_setup.c b/plat/nvidia/tegra/soc/t210/plat_setup.c
index 20dde3b..68cd38e 100644
--- a/plat/nvidia/tegra/soc/t210/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t210/plat_setup.c
@@ -291,3 +291,28 @@
return false;
}
}
+/*******************************************************************************
+ * Platform specific runtime setup.
+ ******************************************************************************/
+void plat_runtime_setup(void)
+{
+ /*
+ * During cold boot, it is observed that the arbitration
+ * bit is set in the Memory controller leading to false
+ * error interrupts in the non-secure world. To avoid
+ * this, clean the interrupt status register before
+ * booting into the non-secure world
+ */
+ tegra_memctrl_clear_pending_interrupts();
+
+ /*
+ * During boot, USB3 and flash media (SDMMC/SATA) devices need
+ * access to IRAM. Because these clients connect to the MC and
+ * do not have a direct path to the IRAM, the MC implements AHB
+ * redirection during boot to allow path to IRAM. In this mode
+ * accesses to a programmed memory address aperture are directed
+ * to the AHB bus, allowing access to the IRAM. This mode must be
+ * disabled before we jump to the non-secure world.
+ */
+ tegra_memctrl_disable_ahb_redirection();
+}