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EN7523 is an armv8 based silicon used inside broadband access type devices such as xPON and xDSL. It shares various silicon blocks with MediaTek silicon such as the MT7622. Add basic support for Airoha EN7523, enough for booting to console. The UART is basically 8250-compatible, except for the clock selection. A clock-frequency value is synthesized to get this to run at 115200 bps. Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Bert Vermeulen <bert@biot.com> Signed-off-by: Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20220130145116.88406-4-nbd@nbd.name Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
17 lines
372 B
C
17 lines
372 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Device Tree support for Airoha SoCs
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*
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* Copyright (c) 2022 Felix Fietkau <nbd@nbd.name>
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*/
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#include <asm/mach/arch.h>
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static const char * const airoha_board_dt_compat[] = {
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"airoha,en7523",
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NULL,
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};
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DT_MACHINE_START(MEDIATEK_DT, "Airoha Cortex-A53 (Device Tree)")
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.dt_compat = airoha_board_dt_compat,
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MACHINE_END
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