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-rw-r--r--arch/arm/include/asm/arch-tegra/board.h33
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diff --git a/arch/arm/include/asm/arch-tegra/board.h b/arch/arm/include/asm/arch-tegra/board.h
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ */
+
+#ifndef _TEGRA_BOARD_H_
+#define _TEGRA_BOARD_H_
+
+/* Set up pinmux to make UART usable */
+void gpio_early_init_uart(void);
+
+/* Set up early UART output */
+void board_init_uart_f(void);
+
+/* Set up any early GPIOs the board might need for proper operation */
+void gpio_early_init(void); /* overrideable GPIO config */
+
+/*
+ * Hooks to allow boards to set up the pinmux for a specific function.
+ * Has to be implemented in the board files as we don't yet support pinmux
+ * setup from FDT. If a board file does not implement one of those functions
+ * an empty stub function will be called.
+ */
+
+void pinmux_init(void); /* overridable general pinmux setup */
+void pin_mux_usb(void); /* overridable USB pinmux setup */
+void pin_mux_spi(void); /* overridable SPI pinmux setup */
+void pin_mux_nand(void); /* overridable NAND pinmux setup */
+void pin_mux_mmc(void); /* overridable mmc pinmux setup */
+void pin_mux_display(void); /* overridable DISPLAY pinmux setup */
+
+#endif