Merge changes from topic "tegra-downstream-08282020" into integration

* changes:
  Tegra: platform specific BL31_SIZE
  Tegra186: sanity check power state type
  Tegra: fixup CNTPS_TVAL_EL1 delay timer reads
  Tegra: add platform specific 'runtime_setup' handler
  Tegra: remove ENABLE_SVE_FOR_NS = 0
  lib: cpus: denver: add MIDR PN9 variant
  cpus: denver: introduce macro to declare cpu_ops

include/lib/cpus/aarch64/denver.h

@@ -17,6 +17,7 @@
 #define DENVER_MIDR_PN6			U(0x4E0F0060)
 #define DENVER_MIDR_PN7			U(0x4E0F0070)
 #define DENVER_MIDR_PN8			U(0x4E0F0080)
+#define DENVER_MIDR_PN9			U(0x4E0F0090)
 
 /* Implementer code in the MIDR register */
 #define DENVER_IMPL			U(0x4E)

lib/cpus/aarch64/denver.S

@@ -353,65 +353,23 @@ func denver_cpu_reg_dump
 	ret
 endfunc denver_cpu_reg_dump
 
-declare_cpu_ops_wa denver, DENVER_MIDR_PN0, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN1, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN2, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN3, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN4, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN5, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN6, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN7, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
-
-declare_cpu_ops_wa denver, DENVER_MIDR_PN8, \
-	denver_reset_func, \
-	check_errata_cve_2017_5715, \
-	CPU_NO_EXTRA2_FUNC, \
-	denver_core_pwr_dwn, \
-	denver_cluster_pwr_dwn
+/* macro to declare cpu_ops for Denver SKUs */
+.macro	denver_cpu_ops_wa midr
+	declare_cpu_ops_wa denver, \midr, \
+		denver_reset_func, \
+		check_errata_cve_2017_5715, \
+		CPU_NO_EXTRA2_FUNC, \
+		denver_core_pwr_dwn, \
+		denver_cluster_pwr_dwn
+.endm
+
+denver_cpu_ops_wa DENVER_MIDR_PN0
+denver_cpu_ops_wa DENVER_MIDR_PN1
+denver_cpu_ops_wa DENVER_MIDR_PN2
+denver_cpu_ops_wa DENVER_MIDR_PN3
+denver_cpu_ops_wa DENVER_MIDR_PN4
+denver_cpu_ops_wa DENVER_MIDR_PN5
+denver_cpu_ops_wa DENVER_MIDR_PN6
+denver_cpu_ops_wa DENVER_MIDR_PN7
+denver_cpu_ops_wa DENVER_MIDR_PN8
+denver_cpu_ops_wa DENVER_MIDR_PN9

plat/nvidia/tegra/common/tegra_bl31_setup.c

@@ -253,31 +253,9 @@ void bl31_platform_setup(void)
 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
+	 * Platform specific runtime setup
 	 */
-	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
-	 */
-	tegra_smmu_verify();
-#endif
+	plat_runtime_setup();
 
 	/*
 	 * Add final timestamp before exiting BL31.

plat/nvidia/tegra/common/tegra_delay_timer.c

@@ -22,11 +22,9 @@ static uint32_t tegra_timer_get_value(void)
 
 	/*
 	 * Generic delay timer implementation expects the timer to be a down
-	 * counter. We apply bitwise NOT operator to the tick values returned
-	 * by read_cntps_tval_el1() to simulate the down counter. The value is
-	 * clipped from 64 to 32 bits.
+	 * counter. The value is clipped from 64 to 32 bits.
 	 */
-	return (uint32_t)(~read_cntps_tval_el1());
+	return (uint32_t)(read_cntps_tval_el1());
 }
 
 /*

plat/nvidia/tegra/include/platform_def.h

@@ -66,7 +66,6 @@
 /*******************************************************************************
  * BL31 specific defines.
  ******************************************************************************/
-#define BL31_SIZE			U(0x40000)
 #define BL31_BASE			TZDRAM_BASE
 #define BL31_LIMIT			(TZDRAM_BASE + BL31_SIZE - 1)
 #define BL32_BASE			(TZDRAM_BASE + BL31_SIZE)

plat/nvidia/tegra/include/t132/tegra_def.h

@@ -10,6 +10,11 @@
 
 #include <lib/utils_def.h>
 
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
 /*******************************************************************************
  * This value is used by the PSCI implementation during the `SYSTEM_SUSPEND`
  * call as the `state-id` field in the 'power state' parameter.

plat/nvidia/tegra/include/t186/tegra_def.h

@@ -10,6 +10,11 @@
 
 #include <lib/utils_def.h>
 
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
 /*******************************************************************************
  * MCE apertures used by the ARI interface
  *

plat/nvidia/tegra/include/t194/tegra_def.h

@@ -9,6 +9,11 @@
 
 #include <lib/utils_def.h>
 
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
 /*******************************************************************************
  * Chip specific cluster and cpu numbers
  ******************************************************************************/

plat/nvidia/tegra/include/t210/tegra_def.h

@@ -10,6 +10,11 @@
 
 #include <lib/utils_def.h>
 
+/*******************************************************************************
+ * Platform BL31 specific defines.
+ ******************************************************************************/
+#define BL31_SIZE			U(0x40000)
+
 /*******************************************************************************
  * Power down state IDs
  ******************************************************************************/

plat/nvidia/tegra/include/tegra_private.h

@@ -87,6 +87,7 @@ void plat_early_platform_setup(void);
 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);

plat/nvidia/tegra/platform.mk

@@ -33,9 +33,6 @@ SEPARATE_CODE_AND_RODATA :=	1
 # do not use coherent memory
 USE_COHERENT_MEM	:=	0
 
-# do not enable SVE
-ENABLE_SVE_FOR_NS	:=	0
-
 # enable D-cache early during CPU warmboot
 WARMBOOT_ENABLE_DCACHE_EARLY := 1
 

plat/nvidia/tegra/soc/t132/plat_setup.c

@@ -173,3 +173,29 @@ bool plat_supports_system_suspend(void)
 {
 	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();
+}

plat/nvidia/tegra/soc/t186/plat_psci_handlers.c

@@ -72,6 +72,11 @@ int32_t tegra_soc_validate_power_state(uint32_t power_state,
 	case PSTATE_ID_CORE_IDLE:
 	case PSTATE_ID_CORE_POWERDN:
 
+		if (psci_get_pstate_type(power_state) != PSTATE_TYPE_POWERDOWN) {
+			ret = PSCI_E_INVALID_PARAMS;
+			break;
+		}
+
 		/* Core powerdown request */
 		req_state->pwr_domain_state[MPIDR_AFFLVL0] = state_id;
 		req_state->pwr_domain_state[MPIDR_AFFLVL1] = state_id;

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 @@ bool plat_supports_system_suspend(void)
 {
 	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();
+}

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 @@ bool plat_supports_system_suspend(void)
 {
 	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();
+}

plat/nvidia/tegra/soc/t210/plat_setup.c

@@ -291,3 +291,28 @@ bool plat_supports_system_suspend(void)
 		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();
+}