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c20b060661
Device Tree address is now a parameter for dt_open_and_check() function. This will allow better flexibility when introducing PIE and FIP. The fdt pointer is now only assigned if the given address holds a valid device tree file. This allows removing the fdt_checked variable, as we now check fdt is not null. Change-Id: I04cbb2fc05c9c711ae1c77d56368dbeb6dd4b01a Signed-off-by: Yann Gautier <yann.gautier@st.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright (c) 2020-2021, STMicroelectronics - All Rights Reserved
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* Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef STM32MP_DT_H
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#define STM32MP_DT_H
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#include <stdbool.h>
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#include <stdint.h>
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#define DT_DISABLED U(0)
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#define DT_NON_SECURE U(1)
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#define DT_SECURE U(2)
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#define DT_SHARED (DT_NON_SECURE | DT_SECURE)
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struct dt_node_info {
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uint32_t base;
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int32_t clock;
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int32_t reset;
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uint32_t status;
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};
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/*******************************************************************************
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* Function and variable prototypes
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******************************************************************************/
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int dt_open_and_check(uintptr_t dt_addr);
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int fdt_get_address(void **fdt_addr);
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bool fdt_check_node(int node);
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uint8_t fdt_get_status(int node);
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int dt_set_stdout_pinctrl(void);
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void dt_fill_device_info(struct dt_node_info *info, int node);
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int dt_get_node(struct dt_node_info *info, int offset, const char *compat);
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int dt_get_stdout_uart_info(struct dt_node_info *info);
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uint32_t dt_get_ddr_size(void);
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uint32_t dt_get_pwr_vdd_voltage(void);
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const char *dt_get_board_model(void);
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int fdt_get_gpio_bank_pin_count(unsigned int bank);
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#endif /* STM32MP_DT_H */
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