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      1 /*
      2  * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
      3  *
      4  * SPDX-License-Identifier: BSD-3-Clause
      5  */
      6 
      7 #ifndef __FLOWCTRL_H__
      8 #define __FLOWCTRL_H__
      9 
     10 #include <mmio.h>
     11 #include <tegra_def.h>
     12 
     13 #define FLOWCTRL_HALT_CPU0_EVENTS	0x0U
     14 #define  FLOWCTRL_WAITEVENT		(2U << 29)
     15 #define  FLOWCTRL_WAIT_FOR_INTERRUPT	(4U << 29)
     16 #define  FLOWCTRL_JTAG_RESUME		(1U << 28)
     17 #define  FLOWCTRL_HALT_SCLK		(1U << 27)
     18 #define  FLOWCTRL_HALT_LIC_IRQ		(1U << 11)
     19 #define  FLOWCTRL_HALT_LIC_FIQ		(1U << 10)
     20 #define  FLOWCTRL_HALT_GIC_IRQ		(1U << 9)
     21 #define  FLOWCTRL_HALT_GIC_FIQ		(1U << 8)
     22 #define FLOWCTRL_HALT_BPMP_EVENTS	0x4U
     23 #define FLOWCTRL_CPU0_CSR		0x8U
     24 #define  FLOW_CTRL_CSR_PWR_OFF_STS	(1U << 16)
     25 #define  FLOWCTRL_CSR_INTR_FLAG		(1U << 15)
     26 #define  FLOWCTRL_CSR_EVENT_FLAG	(1U << 14)
     27 #define  FLOWCTRL_CSR_IMMEDIATE_WAKE	(1U << 3)
     28 #define  FLOWCTRL_CSR_ENABLE		(1U << 0)
     29 #define FLOWCTRL_HALT_CPU1_EVENTS	0x14U
     30 #define FLOWCTRL_CPU1_CSR		0x18U
     31 #define FLOWCTRL_CC4_CORE0_CTRL		0x6cU
     32 #define FLOWCTRL_WAIT_WFI_BITMAP	0x100U
     33 #define FLOWCTRL_L2_FLUSH_CONTROL	0x94U
     34 #define FLOWCTRL_BPMP_CLUSTER_CONTROL	0x98U
     35 #define  FLOWCTRL_BPMP_CLUSTER_PWRON_LOCK	(1U << 2)
     36 
     37 #define FLOWCTRL_ENABLE_EXT		12U
     38 #define FLOWCTRL_ENABLE_EXT_MASK	3U
     39 #define FLOWCTRL_PG_CPU_NONCPU		0x1U
     40 #define FLOWCTRL_TURNOFF_CPURAIL	0x2U
     41 
     42 static inline uint32_t tegra_fc_read_32(uint32_t off)
     43 {
     44 	return mmio_read_32(TEGRA_FLOWCTRL_BASE + off);
     45 }
     46 
     47 static inline void tegra_fc_write_32(uint32_t off, uint32_t val)
     48 {
     49 	mmio_write_32(TEGRA_FLOWCTRL_BASE + off, val);
     50 }
     51 
     52 void tegra_fc_cluster_idle(uint32_t midr);
     53 void tegra_fc_cpu_powerdn(uint32_t mpidr);
     54 void tegra_fc_cluster_powerdn(uint32_t midr);
     55 void tegra_fc_soc_powerdn(uint32_t midr);
     56 void tegra_fc_cpu_on(int cpu);
     57 void tegra_fc_cpu_off(int cpu);
     58 void tegra_fc_lock_active_cluster(void);
     59 void tegra_fc_reset_bpmp(void);
     60 
     61 #endif /* __FLOWCTRL_H__ */
     62