From 93e3b0f34b4e1e2635f1806ada7cd0d71e7b6a87 Mon Sep 17 00:00:00 2001
From: Varun Wadekar <vwadekar@nvidia.com>
Date: Wed, 14 Feb 2018 11:06:05 -0800
Subject: [PATCH] Tegra210: remove support for cluster power down
This patch removes support for powering down a CPU cluster on
Tegra210 platforms as none of them actually use it.
Change-Id: I9665634cf2b5b7b8a1b5a2700cae152dc9165fe3
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
---
plat/nvidia/tegra/include/t210/tegra_def.h | 1 -
.../tegra/soc/t210/plat_psci_handlers.c | 36 -------------------
2 files changed, 37 deletions(-)
diff --git a/plat/nvidia/tegra/include/t210/tegra_def.h b/plat/nvidia/tegra/include/t210/tegra_def.h
index 7eb8a878d..c4ce7670c 100644
--- a/plat/nvidia/tegra/include/t210/tegra_def.h
+++ b/plat/nvidia/tegra/include/t210/tegra_def.h
@@ -14,7 +14,6 @@
******************************************************************************/
#define PSTATE_ID_CORE_POWERDN U(7)
#define PSTATE_ID_CLUSTER_IDLE U(16)
-#define PSTATE_ID_CLUSTER_POWERDN U(17)
#define PSTATE_ID_SOC_POWERDN U(27)
/*******************************************************************************
diff --git a/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
index 0aa36b4ef..bb3b8fec7 100644
--- a/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t210/plat_psci_handlers.c
@@ -53,14 +53,12 @@ int32_t tegra_soc_validate_power_state(unsigned int power_state,
break;
case PSTATE_ID_CLUSTER_IDLE:
- case PSTATE_ID_CLUSTER_POWERDN:
/*
* Cluster idle request for afflvl 0
*/
req_state->pwr_domain_state[MPIDR_AFFLVL0] = PSTATE_ID_CORE_POWERDN;
req_state->pwr_domain_state[MPIDR_AFFLVL1] = state_id;
-
break;
case PSTATE_ID_SOC_POWERDN:
@@ -161,33 +159,6 @@ plat_local_state_t tegra_soc_get_target_pwr_state(unsigned int lvl,
}
}
- } else if ((lvl == MPIDR_AFFLVL1) && (target == PSTATE_ID_CLUSTER_POWERDN)) {
-
- /* initialize the bpmp interface */
- ret = tegra_bpmp_init();
- if (ret != 0U) {
-
- /* Cluster power down not allowed */
- target = PSCI_LOCAL_STATE_RUN;
- } else {
-
- /* Cluster power-down */
- data[0] = (uint32_t)cpu;
- data[1] = TEGRA_PM_CC7;
- data[2] = TEGRA_PM_SC1;
- ret = tegra_bpmp_send_receive_atomic(MRQ_DO_IDLE,
- (void *)&data, (int)sizeof(data),
- (void *)&bpmp_reply,
- (int)sizeof(bpmp_reply));
-
- /* check if cluster power down is allowed */
- if ((ret != 0L) || (bpmp_reply != BPMP_CCx_ALLOWED)) {
-
- /* Cluster power down not allowed */
- target = PSCI_LOCAL_STATE_RUN;
- }
- }
-
} else if (((lvl == MPIDR_AFFLVL2) || (lvl == MPIDR_AFFLVL1)) &&
(target == PSTATE_ID_SOC_POWERDN)) {
@@ -246,13 +217,6 @@ int tegra_soc_pwr_domain_suspend(const psci_power_state_t *target_state)
/* Prepare for cluster idle */
tegra_fc_cluster_idle(mpidr);
- } else if (stateid_afflvl1 == PSTATE_ID_CLUSTER_POWERDN) {
-
- assert(stateid_afflvl0 == PSTATE_ID_CORE_POWERDN);
-
- /* Prepare for cluster powerdn */
- tegra_fc_cluster_powerdn(mpidr);
-
} else if (stateid_afflvl0 == PSTATE_ID_CORE_POWERDN) {
/* Prepare for cpu powerdn */
--
GitLab