stm32mp_dt.h 1.27 KB
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/*
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 * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
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 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

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#ifndef STM32MP_DT_H
#define STM32MP_DT_H
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#include <stdbool.h>

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#define DT_DISABLED		U(0)
#define DT_NON_SECURE		U(1)
#define DT_SECURE		U(2)
#define DT_SHARED		(DT_NON_SECURE | DT_SECURE)

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struct dt_node_info {
	uint32_t base;
	int32_t clock;
	int32_t reset;
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	uint32_t status;
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};

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/*******************************************************************************
 * Function and variable prototypes
 ******************************************************************************/
int dt_open_and_check(void);
int fdt_get_address(void **fdt_addr);
bool fdt_check_node(int node);
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uint8_t fdt_get_status(int node);
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uint32_t fdt_read_uint32_default(int node, const char *prop_name,
				 uint32_t dflt_value);
int fdt_read_uint32_array(int node, const char *prop_name,
			  uint32_t *array, uint32_t count);
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int dt_set_stdout_pinctrl(void);
void dt_fill_device_info(struct dt_node_info *info, int node);
int dt_get_node(struct dt_node_info *info, int offset, const char *compat);
int dt_get_stdout_uart_info(struct dt_node_info *info);
int dt_get_stdout_node_offset(void);
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uint32_t dt_get_ddr_size(void);
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const char *dt_get_board_model(void);
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#endif /* STM32MP_DT_H */