1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park * Copyright (c) 2018-2019, STMicroelectronics - All Rights Reserved
3*54fd6939SJiyong Park *
4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park */
6*54fd6939SJiyong Park
7*54fd6939SJiyong Park #ifndef STM32MP1_CLK_H
8*54fd6939SJiyong Park #define STM32MP1_CLK_H
9*54fd6939SJiyong Park
10*54fd6939SJiyong Park #include <arch_helpers.h>
11*54fd6939SJiyong Park
12*54fd6939SJiyong Park enum stm32mp_osc_id {
13*54fd6939SJiyong Park _HSI,
14*54fd6939SJiyong Park _HSE,
15*54fd6939SJiyong Park _CSI,
16*54fd6939SJiyong Park _LSI,
17*54fd6939SJiyong Park _LSE,
18*54fd6939SJiyong Park _I2S_CKIN,
19*54fd6939SJiyong Park NB_OSC,
20*54fd6939SJiyong Park _UNKNOWN_OSC_ID = 0xFF
21*54fd6939SJiyong Park };
22*54fd6939SJiyong Park
23*54fd6939SJiyong Park extern const char *stm32mp_osc_node_label[NB_OSC];
24*54fd6939SJiyong Park
25*54fd6939SJiyong Park int stm32mp1_clk_probe(void);
26*54fd6939SJiyong Park int stm32mp1_clk_init(void);
27*54fd6939SJiyong Park
28*54fd6939SJiyong Park bool stm32mp1_rcc_is_secure(void);
29*54fd6939SJiyong Park bool stm32mp1_rcc_is_mckprot(void);
30*54fd6939SJiyong Park
31*54fd6939SJiyong Park void __stm32mp1_clk_enable(unsigned long id, bool caller_is_secure);
32*54fd6939SJiyong Park void __stm32mp1_clk_disable(unsigned long id, bool caller_is_secure);
33*54fd6939SJiyong Park
stm32mp1_clk_enable_non_secure(unsigned long id)34*54fd6939SJiyong Park static inline void stm32mp1_clk_enable_non_secure(unsigned long id)
35*54fd6939SJiyong Park {
36*54fd6939SJiyong Park __stm32mp1_clk_enable(id, false);
37*54fd6939SJiyong Park }
38*54fd6939SJiyong Park
stm32mp1_clk_enable_secure(unsigned long id)39*54fd6939SJiyong Park static inline void stm32mp1_clk_enable_secure(unsigned long id)
40*54fd6939SJiyong Park {
41*54fd6939SJiyong Park __stm32mp1_clk_enable(id, true);
42*54fd6939SJiyong Park }
43*54fd6939SJiyong Park
stm32mp1_clk_disable_non_secure(unsigned long id)44*54fd6939SJiyong Park static inline void stm32mp1_clk_disable_non_secure(unsigned long id)
45*54fd6939SJiyong Park {
46*54fd6939SJiyong Park __stm32mp1_clk_disable(id, false);
47*54fd6939SJiyong Park }
48*54fd6939SJiyong Park
stm32mp1_clk_disable_secure(unsigned long id)49*54fd6939SJiyong Park static inline void stm32mp1_clk_disable_secure(unsigned long id)
50*54fd6939SJiyong Park {
51*54fd6939SJiyong Park __stm32mp1_clk_disable(id, true);
52*54fd6939SJiyong Park }
53*54fd6939SJiyong Park
54*54fd6939SJiyong Park unsigned int stm32mp1_clk_get_refcount(unsigned long id);
55*54fd6939SJiyong Park
56*54fd6939SJiyong Park /* SMP protection on RCC registers access */
57*54fd6939SJiyong Park void stm32mp1_clk_rcc_regs_lock(void);
58*54fd6939SJiyong Park void stm32mp1_clk_rcc_regs_unlock(void);
59*54fd6939SJiyong Park
60*54fd6939SJiyong Park void stm32mp1_stgen_increment(unsigned long long offset_in_ms);
61*54fd6939SJiyong Park
62*54fd6939SJiyong Park #ifdef STM32MP_SHARED_RESOURCES
63*54fd6939SJiyong Park void stm32mp1_register_clock_parents_secure(unsigned long id);
64*54fd6939SJiyong Park #endif
65*54fd6939SJiyong Park #endif /* STM32MP1_CLK_H */
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