Merge changes from topic "fw-caps" into integration
* changes:
feat(ti): query firmware for suspend capability
feat(ti): add TI-SCI query firmware capabilities command support
feat(ti): remove extra core counts in cluster 2 and 3
diff --git a/plat/ti/k3/board/generic/include/board_def.h b/plat/ti/k3/board/generic/include/board_def.h
index edfa73f..ade6d7a 100644
--- a/plat/ti/k3/board/generic/include/board_def.h
+++ b/plat/ti/k3/board/generic/include/board_def.h
@@ -12,8 +12,8 @@
/* The ports must be in order and contiguous */
#define K3_CLUSTER0_CORE_COUNT U(2)
#define K3_CLUSTER1_CORE_COUNT U(2)
-#define K3_CLUSTER2_CORE_COUNT U(2)
-#define K3_CLUSTER3_CORE_COUNT U(2)
+#define K3_CLUSTER2_CORE_COUNT U(0)
+#define K3_CLUSTER3_CORE_COUNT U(0)
#define PLAT_PROC_START_ID U(32)
#define PLAT_PROC_DEVICE_START_ID U(202)
diff --git a/plat/ti/k3/common/drivers/ti_sci/ti_sci.c b/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
index 495f0c7..3f22bfd 100644
--- a/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
+++ b/plat/ti/k3/common/drivers/ti_sci/ti_sci.c
@@ -211,6 +211,42 @@
}
/**
+ * ti_sci_query_fw_caps() - Get the FW/SoC capabilities
+ * @handle: Pointer to TI SCI handle
+ * @fw_caps: Each bit in fw_caps indicating one FW/SOC capability
+ *
+ * Return: 0 if all went well, else returns appropriate error value.
+ */
+int ti_sci_query_fw_caps(uint64_t *fw_caps)
+{
+ struct ti_sci_msg_hdr req;
+ struct ti_sci_msg_resp_query_fw_caps resp;
+
+ struct ti_sci_xfer xfer;
+ int ret;
+
+ ret = ti_sci_setup_one_xfer(TI_SCI_MSG_QUERY_FW_CAPS, 0,
+ &req, sizeof(req),
+ &resp, sizeof(resp),
+ &xfer);
+ if (ret != 0U) {
+ ERROR("Message alloc failed (%d)\n", ret);
+ return ret;
+ }
+
+ ret = ti_sci_do_xfer(&xfer);
+ if (ret != 0U) {
+ ERROR("Transfer send failed (%d)\n", ret);
+ return ret;
+ }
+
+ if (fw_caps)
+ *fw_caps = resp.fw_caps;
+
+ return 0;
+}
+
+/**
* ti_sci_device_set_state() - Set device state
*
* @id: Device identifier
diff --git a/plat/ti/k3/common/drivers/ti_sci/ti_sci.h b/plat/ti/k3/common/drivers/ti_sci/ti_sci.h
index 06944a7..c702a71 100644
--- a/plat/ti/k3/common/drivers/ti_sci/ti_sci.h
+++ b/plat/ti/k3/common/drivers/ti_sci/ti_sci.h
@@ -141,10 +141,13 @@
* Core control operations
*
* - ti_sci_core_reboot() - Command to request system reset
+ * - ti_sci_query_fw_caps() - Get the FW/SoC capabilities
+ * @fw_caps: Each bit in fw_caps indicating one FW/SOC capability
*
* Return: 0 if all went well, else returns appropriate error value.
*/
int ti_sci_core_reboot(void);
+int ti_sci_query_fw_caps(uint64_t *fw_caps);
/**
* Processor control operations
diff --git a/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h b/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
index 36909f5..7f1c368 100644
--- a/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
+++ b/plat/ti/k3/common/drivers/ti_sci/ti_sci_protocol.h
@@ -22,6 +22,7 @@
#define TI_SCI_MSG_WAKE_REASON 0x0003
#define TI_SCI_MSG_GOODBYE 0x0004
#define TI_SCI_MSG_SYS_RESET 0x0005
+#define TI_SCI_MSG_QUERY_FW_CAPS 0x0022
/* Device requests */
#define TI_SCI_MSG_SET_DEVICE_STATE 0x0200
@@ -124,6 +125,30 @@
} __packed;
/**
+ * struct ti_sci_msg_resp_query_fw_caps - Response for query firmware caps
+ * @hdr: Generic header
+ * @fw_caps: Each bit in fw_caps indicating one FW/SOC capability
+ * MSG_FLAG_CAPS_GENERIC: Generic capability (LPM not supported)
+ * MSG_FLAG_CAPS_LPM_DEEP_SLEEP: Deep Sleep LPM
+ * MSG_FLAG_CAPS_LPM_MCU_ONLY: MCU only LPM
+ * MSG_FLAG_CAPS_LPM_STANDBY: Standby LPM
+ * MSG_FLAG_CAPS_LPM_PARTIAL_IO: Partial IO in LPM
+ *
+ * Response to a generic message with message type TI_SCI_MSG_QUERY_FW_CAPS
+ * providing currently available SOC/firmware capabilities. SoC that don't
+ * support low power modes return only MSG_FLAG_CAPS_GENERIC capability.
+ */
+struct ti_sci_msg_resp_query_fw_caps {
+ struct ti_sci_msg_hdr hdr;
+#define MSG_FLAG_CAPS_GENERIC TI_SCI_MSG_FLAG(0)
+#define MSG_FLAG_CAPS_LPM_DEEP_SLEEP TI_SCI_MSG_FLAG(1)
+#define MSG_FLAG_CAPS_LPM_MCU_ONLY TI_SCI_MSG_FLAG(2)
+#define MSG_FLAG_CAPS_LPM_STANDBY TI_SCI_MSG_FLAG(3)
+#define MSG_FLAG_CAPS_LPM_PARTIAL_IO TI_SCI_MSG_FLAG(4)
+ uint64_t fw_caps;
+} __packed;
+
+/**
* struct ti_sci_msg_req_set_device_state - Set the desired state of the device
* @hdr: Generic header
* @id: Indicates which device to modify
diff --git a/plat/ti/k3/common/k3_gicv3.c b/plat/ti/k3/common/k3_gicv3.c
index 0199822..eda9430 100644
--- a/plat/ti/k3/common/k3_gicv3.c
+++ b/plat/ti/k3/common/k3_gicv3.c
@@ -19,10 +19,8 @@
/* The GICv3 driver only needs to be initialized in EL3 */
uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
-#if K3_PM_SYSTEM_SUSPEND
static gicv3_redist_ctx_t rdist_ctx[PLATFORM_CORE_COUNT];
static gicv3_dist_ctx_t dist_ctx;
-#endif
static const interrupt_prop_t k3_interrupt_props[] = {
PLAT_ARM_G1S_IRQ_PROPS(INTR_GROUP1S),
@@ -94,7 +92,6 @@
gicv3_rdistif_init(plat_my_core_pos());
}
-#if K3_PM_SYSTEM_SUSPEND
void k3_gic_save_context(void)
{
for (unsigned int i = 0U; i < PLATFORM_CORE_COUNT; i++) {
@@ -110,4 +107,3 @@
gicv3_rdistif_init_restore(i, &rdist_ctx[i]);
}
}
-#endif
diff --git a/plat/ti/k3/common/k3_psci.c b/plat/ti/k3/common/k3_psci.c
index d846495..e8d73db 100644
--- a/plat/ti/k3/common/k3_psci.c
+++ b/plat/ti/k3/common/k3_psci.c
@@ -234,7 +234,6 @@
return PSCI_E_SUCCESS;
}
-#if K3_PM_SYSTEM_SUSPEND
static void k3_pwr_domain_suspend(const psci_power_state_t *target_state)
{
unsigned int core, proc_id;
@@ -266,18 +265,15 @@
req_state->pwr_domain_state[i] = PLAT_MAX_OFF_STATE;
}
}
-#endif
-static const plat_psci_ops_t k3_plat_psci_ops = {
+static plat_psci_ops_t k3_plat_psci_ops = {
.cpu_standby = k3_cpu_standby,
.pwr_domain_on = k3_pwr_domain_on,
.pwr_domain_off = k3_pwr_domain_off,
.pwr_domain_on_finish = k3_pwr_domain_on_finish,
-#if K3_PM_SYSTEM_SUSPEND
.pwr_domain_suspend = k3_pwr_domain_suspend,
.pwr_domain_suspend_finish = k3_pwr_domain_suspend_finish,
.get_sys_suspend_power_state = k3_get_sys_suspend_power_state,
-#endif
.system_off = k3_system_off,
.system_reset = k3_system_reset,
.validate_power_state = k3_validate_power_state,
@@ -286,8 +282,27 @@
int plat_setup_psci_ops(uintptr_t sec_entrypoint,
const plat_psci_ops_t **psci_ops)
{
+ uint64_t fw_caps = 0;
+ int ret;
+
k3_sec_entrypoint = sec_entrypoint;
+ ret = ti_sci_query_fw_caps(&fw_caps);
+ if (ret) {
+ ERROR("Unable to query firmware capabilities (%d)\n", ret);
+ }
+
+ /* If firmware does not support any known suspend mode */
+ if (!(fw_caps & (MSG_FLAG_CAPS_LPM_DEEP_SLEEP |
+ MSG_FLAG_CAPS_LPM_MCU_ONLY |
+ MSG_FLAG_CAPS_LPM_STANDBY |
+ MSG_FLAG_CAPS_LPM_PARTIAL_IO))) {
+ /* Disable PSCI suspend support */
+ k3_plat_psci_ops.pwr_domain_suspend = NULL;
+ k3_plat_psci_ops.pwr_domain_suspend_finish = NULL;
+ k3_plat_psci_ops.get_sys_suspend_power_state = NULL;
+ }
+
*psci_ops = &k3_plat_psci_ops;
return 0;
diff --git a/plat/ti/k3/common/plat_common.mk b/plat/ti/k3/common/plat_common.mk
index fb633a8..23efa31 100644
--- a/plat/ti/k3/common/plat_common.mk
+++ b/plat/ti/k3/common/plat_common.mk
@@ -44,10 +44,6 @@
K3_USART_BAUD := 115200
$(eval $(call add_define,K3_USART_BAUD))
-# Enable system suspend modes
-K3_PM_SYSTEM_SUSPEND := 0
-$(eval $(call add_define,K3_PM_SYSTEM_SUSPEND))
-
# Libraries
include lib/xlat_tables_v2/xlat_tables.mk