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-rw-r--r--plat/imx/imx8m/include/gpc.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/plat/imx/imx8m/include/gpc.h b/plat/imx/imx8m/include/gpc.h
new file mode 100644
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--- /dev/null
+++ b/plat/imx/imx8m/include/gpc.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IMX8M_GPC_H
+#define IMX8M_GPC_H
+
+#include <gpc_reg.h>
+
+/* helper macro */
+#define A53_LPM_MASK U(0xF)
+#define A53_LPM_WAIT U(0x5)
+#define A53_LPM_STOP U(0xA)
+#define LPM_MODE(local_state) ((local_state) == PLAT_WAIT_RET_STATE ? A53_LPM_WAIT : A53_LPM_STOP)
+
+#define DSM_MODE_MASK BIT(31)
+#define CORE_WKUP_FROM_GIC (IRQ_SRC_C0 | IRQ_SRC_C1 | IRQ_SRC_C2 | IRQ_SRC_C3)
+#define A53_CORE_WUP_SRC(core_id) (1 << ((core_id) < 2 ? 28 + (core_id) : 22 + (core_id) - 2))
+#define COREx_PGC_PCR(core_id) (0x800 + (core_id) * 0x40)
+#define COREx_WFI_PDN(core_id) (1 << ((core_id) < 2 ? (core_id) * 2 : ((core_id) - 2) * 2 + 16))
+#define COREx_IRQ_WUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 8)) : (1 << ((core_id) * 2 + 20)))
+#define COREx_LPM_PUP(core_id) ((core_id) < 2 ? (1 << ((core_id) * 2 + 9)) : (1 << ((core_id) * 2 + 21)))
+#define SLTx_CFG(n) ((SLT0_CFG + ((n) * 4)))
+#define SLT_COREx_PUP(core_id) (0x2 << ((core_id) * 2))
+
+#define IMR_MASK_ALL 0xffffffff
+
+#define IMX_PD_DOMAIN(name, on) \
+ { \
+ .pwr_req = name##_PWR_REQ, \
+ .pgc_offset = name##_PGC, \
+ .need_sync = false, \
+ .always_on = (on), \
+ }
+
+#define IMX_MIX_DOMAIN(name, on) \
+ { \
+ .pwr_req = name##_PWR_REQ, \
+ .pgc_offset = name##_PGC, \
+ .adb400_sync = name##_ADB400_SYNC, \
+ .adb400_ack = name##_ADB400_ACK, \
+ .need_sync = true, \
+ .always_on = (on), \
+ }
+
+struct imx_pwr_domain {
+ uint32_t pwr_req;
+ uint32_t adb400_sync;
+ uint32_t adb400_ack;
+ uint32_t pgc_offset;
+ bool need_sync;
+ bool always_on;
+};
+
+DECLARE_BAKERY_LOCK(gpc_lock);
+
+/* function declare */
+void imx_gpc_init(void);
+void imx_set_cpu_secure_entry(unsigned int core_index, uintptr_t sec_entrypoint);
+void imx_set_cpu_pwr_off(unsigned int core_index);
+void imx_set_cpu_pwr_on(unsigned int core_index);
+void imx_set_cpu_lpm(unsigned int core_index, bool pdn);
+void imx_set_cluster_standby(bool retention);
+void imx_set_cluster_powerdown(unsigned int last_core, uint8_t power_state);
+void imx_noc_slot_config(bool pdn);
+void imx_set_sys_wakeup(unsigned int last_core, bool pdn);
+void imx_set_sys_lpm(unsigned last_core, bool retention);
+void imx_set_rbc_count(void);
+void imx_clear_rbc_count(void);
+void imx_anamix_override(bool enter);
+void imx_gpc_pm_domain_enable(uint32_t domain_id, bool on);
+
+#endif /*IMX8M_GPC_H */