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1 /*
2  * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef __PMU_H__
8 #define __PMU_H__
9 
10 #include <soc.h>
11 
12 struct rk3328_sleep_ddr_data {
13 	uint32_t pmu_debug_enable;
14 	uint32_t debug_iomux_save;
15 	uint32_t pmic_sleep_save;
16 	uint32_t pmu_wakeup_conf0;
17 	uint32_t pmu_pwrmd_com;
18 	uint32_t cru_mode_save;
19 	uint32_t clk_sel0, clk_sel1, clk_sel18,
20 		 clk_sel20, clk_sel24, clk_sel38;
21 	uint32_t clk_ungt_save[CRU_CLKGATE_NUMS];
22 	uint32_t cru_plls_con_save[MAX_PLL][CRU_PLL_CON_NUMS];
23 };
24 
25 struct rk3328_sleep_sram_data {
26 	uint32_t pmic_sleep_save;
27 	uint32_t pmic_sleep_gpio_save[2];
28 	uint32_t ddr_grf_con0;
29 	uint32_t dpll_con_save[CRU_PLL_CON_NUMS];
30 	uint32_t pd_sr_idle_save;
31 	uint32_t uart2_ier;
32 };
33 
34 /*****************************************************************************
35  * The ways of cores power domain contorlling
36  *****************************************************************************/
37 enum cores_pm_ctr_mode {
38 	core_pwr_pd = 0,
39 	core_pwr_wfi = 1,
40 	core_pwr_wfi_int = 2
41 };
42 
43 enum pmu_cores_pm_by_wfi {
44 	core_pm_en = 0,
45 	core_pm_int_wakeup_en,
46 	core_pm_dis_int,
47 	core_pm_sft_wakeup_en
48 };
49 
50 extern void *pmu_cpuson_entrypoint_start;
51 extern void *pmu_cpuson_entrypoint_end;
52 extern uint64_t cpuson_entry_point[PLATFORM_CORE_COUNT];
53 extern uint32_t cpuson_flags[PLATFORM_CORE_COUNT];
54 
55 #define CORES_PM_DISABLE	0x0
56 
57 /*****************************************************************************
58  * pmu con,reg
59  *****************************************************************************/
60 #define PMU_WAKEUP_CFG0		0x00
61 #define PMU_PWRDN_CON		0x0c
62 #define PMU_PWRDN_ST		0x10
63 #define PMU_PWRMD_COM		0x18
64 #define PMU_SFT_CON		0x1c
65 #define PMU_INT_CON		0x20
66 #define PMU_INT_ST		0x24
67 #define PMU_POWER_ST		0x44
68 #define PMU_CPUAPM_CON(n)	(0x80 + (n) * 4)
69 #define PMU_SYS_REG(n)		(0xa0 + (n) * 4)
70 
71 #define CHECK_CPU_WFIE_BASE		(GRF_BASE + GRF_CPU_STATUS(1))
72 
73 enum pmu_core_pwrst_shift {
74 	clst_cpu_wfe = 0,
75 	clst_cpu_wfi = 4,
76 };
77 
78 #define clstl_cpu_wfe (clst_cpu_wfe)
79 #define clstb_cpu_wfe (clst_cpu_wfe)
80 
81 enum pmu_pd_id {
82 	PD_CPU0 = 0,
83 	PD_CPU1,
84 	PD_CPU2,
85 	PD_CPU3,
86 };
87 
88 enum pmu_power_mode_common {
89 	pmu_mode_en = 0,
90 	sref_enter_en,
91 	global_int_disable_cfg,
92 	cpu0_pd_en,
93 	wait_wakeup_begin_cfg = 4,
94 	l2_flush_en,
95 	l2_idle_en,
96 	ddrio_ret_de_req,
97 	ddrio_ret_en = 8,
98 };
99 
100 enum pmu_sft_con {
101 	upctl_c_sysreq_cfg = 0,
102 	l2flushreq_req,
103 	ddr_io_ret_cfg,
104 	pmu_sft_ret_cfg,
105 };
106 
107 #define CKECK_WFE_MSK		0x1
108 #define CKECK_WFI_MSK		0x10
109 #define CKECK_WFEI_MSK		0x11
110 
111 #define PD_CTR_LOOP		500
112 #define CHK_CPU_LOOP		500
113 #define MAX_WAIT_CONUT		1000
114 
115 #define WAKEUP_INT_CLUSTER_EN	0x1
116 #define PMIC_SLEEP_REG		0x34
117 
118 #define PLL_IS_NORM_MODE(mode, pll_id)	\
119 		((mode & (PLL_NORM_MODE(pll_id)) & 0xffff) != 0)
120 
121 #define CTLR_ENABLE_G1_BIT	BIT(1)
122 #define UART_FIFO_EMPTY		BIT(6)
123 
124 #define UART_IER		0x04
125 #define UART_FCR		0x08
126 #define UART_LSR		0x14
127 
128 #define UART_INT_DISABLE	0x00
129 #define UART_FIFO_RESET		0x07
130 
131 #endif /* __PMU_H__ */
132