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1 /*
2  * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef PLAT_PRIVATE_H
8 #define PLAT_PRIVATE_H
9 
10 #ifndef __ASSEMBLER__
11 
12 #include <stdint.h>
13 
14 #include <lib/psci/psci.h>
15 #include <lib/xlat_tables/xlat_tables.h>
16 #include <lib/mmio.h>
17 #include <plat_params.h>
18 
19 #define __sramdata __attribute__((section(".sram.data")))
20 #define __sramconst __attribute__((section(".sram.rodata")))
21 #define __sramfunc __attribute__((section(".sram.text")))
22 
23 #define __pmusramdata __attribute__((section(".pmusram.data")))
24 #define __pmusramconst __attribute__((section(".pmusram.rodata")))
25 #define __pmusramfunc __attribute__((section(".pmusram.text")))
26 
27 extern uint32_t __bl31_sram_text_start, __bl31_sram_text_end;
28 extern uint32_t __bl31_sram_data_start, __bl31_sram_data_end;
29 extern uint32_t __bl31_sram_stack_start, __bl31_sram_stack_end;
30 extern uint32_t __bl31_sram_text_real_end, __bl31_sram_data_real_end;
31 extern uint32_t __sram_incbin_start, __sram_incbin_end;
32 extern uint32_t __sram_incbin_real_end;
33 
34 struct rockchip_bl31_params {
35        param_header_t h;
36        image_info_t *bl31_image_info;
37        entry_point_info_t *bl32_ep_info;
38        image_info_t *bl32_image_info;
39        entry_point_info_t *bl33_ep_info;
40        image_info_t *bl33_image_info;
41 };
42 
43 /******************************************************************************
44  * The register have write-mask bits, it is mean, if you want to set the bits,
45  * you needs set the write-mask bits at the same time,
46  * The write-mask bits is in high 16-bits.
47  * The fllowing macro definition helps access write-mask bits reg efficient!
48  ******************************************************************************/
49 #define REG_MSK_SHIFT	16
50 
51 #ifndef WMSK_BIT
52 #define WMSK_BIT(nr)		BIT((nr) + REG_MSK_SHIFT)
53 #endif
54 
55 /* set one bit with write mask */
56 #ifndef BIT_WITH_WMSK
57 #define BIT_WITH_WMSK(nr)	(BIT(nr) | WMSK_BIT(nr))
58 #endif
59 
60 #ifndef BITS_SHIFT
61 #define BITS_SHIFT(bits, shift)	(bits << (shift))
62 #endif
63 
64 #ifndef BITS_WITH_WMASK
65 #define BITS_WITH_WMASK(bits, msk, shift)\
66 	(BITS_SHIFT(bits, shift) | BITS_SHIFT(msk, (shift + REG_MSK_SHIFT)))
67 #endif
68 
69 /******************************************************************************
70  * Function and variable prototypes
71  *****************************************************************************/
72 #ifdef __aarch64__
73 void plat_configure_mmu_el3(unsigned long total_base,
74 			    unsigned long total_size,
75 			    unsigned long,
76 			    unsigned long,
77 			    unsigned long,
78 			    unsigned long);
79 
80 void rockchip_plat_mmu_el3(void);
81 #else
82 void plat_configure_mmu_svc_mon(unsigned long total_base,
83 				unsigned long total_size,
84 				unsigned long,
85 				unsigned long,
86 				unsigned long,
87 				unsigned long);
88 
89 void rockchip_plat_mmu_svc_mon(void);
90 #endif
91 
92 void plat_cci_init(void);
93 void plat_cci_enable(void);
94 void plat_cci_disable(void);
95 
96 void plat_delay_timer_init(void);
97 
98 void params_early_setup(u_register_t plat_params_from_bl2);
99 
100 void plat_rockchip_gic_driver_init(void);
101 void plat_rockchip_gic_init(void);
102 void plat_rockchip_gic_cpuif_enable(void);
103 void plat_rockchip_gic_cpuif_disable(void);
104 void plat_rockchip_gic_pcpu_init(void);
105 
106 void plat_rockchip_pmu_init(void);
107 void plat_rockchip_soc_init(void);
108 uintptr_t plat_get_sec_entrypoint(void);
109 
110 void platform_cpu_warmboot(void);
111 
112 struct bl_aux_gpio_info *plat_get_rockchip_gpio_reset(void);
113 struct bl_aux_gpio_info *plat_get_rockchip_gpio_poweroff(void);
114 struct bl_aux_gpio_info *plat_get_rockchip_suspend_gpio(uint32_t *count);
115 struct bl_aux_rk_apio_info *plat_get_rockchip_suspend_apio(void);
116 void plat_rockchip_gpio_init(void);
117 void plat_rockchip_save_gpio(void);
118 void plat_rockchip_restore_gpio(void);
119 
120 int rockchip_soc_cores_pwr_dm_on(unsigned long mpidr, uint64_t entrypoint);
121 int rockchip_soc_hlvl_pwr_dm_off(uint32_t lvl,
122 				 plat_local_state_t lvl_state);
123 int rockchip_soc_cores_pwr_dm_off(void);
124 int rockchip_soc_sys_pwr_dm_suspend(void);
125 int rockchip_soc_cores_pwr_dm_suspend(void);
126 int rockchip_soc_hlvl_pwr_dm_suspend(uint32_t lvl,
127 				     plat_local_state_t lvl_state);
128 int rockchip_soc_hlvl_pwr_dm_on_finish(uint32_t lvl,
129 				       plat_local_state_t lvl_state);
130 int rockchip_soc_cores_pwr_dm_on_finish(void);
131 int rockchip_soc_sys_pwr_dm_resume(void);
132 
133 int rockchip_soc_hlvl_pwr_dm_resume(uint32_t lvl,
134 				    plat_local_state_t lvl_state);
135 int rockchip_soc_cores_pwr_dm_resume(void);
136 void __dead2 rockchip_soc_soft_reset(void);
137 void __dead2 rockchip_soc_system_off(void);
138 void __dead2 rockchip_soc_cores_pd_pwr_dn_wfi(
139 				const psci_power_state_t *target_state);
140 void __dead2 rockchip_soc_sys_pd_pwr_dn_wfi(void);
141 
142 extern const unsigned char rockchip_power_domain_tree_desc[];
143 
144 extern void *pmu_cpuson_entrypoint;
145 extern u_register_t cpuson_entry_point[PLATFORM_CORE_COUNT];
146 extern uint32_t cpuson_flags[PLATFORM_CORE_COUNT];
147 
148 extern const mmap_region_t plat_rk_mmap[];
149 
150 uint32_t rockchip_get_uart_base(void);
151 uint32_t rockchip_get_uart_baudrate(void);
152 uint32_t rockchip_get_uart_clock(void);
153 
154 #endif /* __ASSEMBLER__ */
155 
156 /******************************************************************************
157  * cpu up status
158  * The bits of macro value is not more than 12 bits for cmp instruction!
159  ******************************************************************************/
160 #define PMU_CPU_HOTPLUG		0xf00
161 #define PMU_CPU_AUTO_PWRDN	0xf0
162 #define PMU_CLST_RET	0xa5
163 
164 #endif /* PLAT_PRIVATE_H */
165