26 lines
555 B
C
26 lines
555 B
C
/*
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* Copyright (c) 2016 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/periph.h>
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#include <asm/arch/grf_rk3066.h>
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#define GRF_BASE 0x20008000
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void board_debug_uart_init(void)
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{
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struct rk3066_grf * const grf = (void *)GRF_BASE;
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/* Enable early UART on the RK3066 */
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rk_clrsetreg(&grf->gpio1b_iomux,
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GPIO1B1_MASK | GPIO1B0_MASK,
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GPIO1B1_UART2_SOUT << GPIO1B1_SHIFT |
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GPIO1B0_UART2_SIN << GPIO1B0_SHIFT);
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}
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