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- /*
- * On-chip UART initializaion for low-level debugging
- *
- * Copyright (C) 2014 Panasonic Corporation
- * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <linux/linkage.h>
- #include <asm/arch/sg-regs.h>
- #define UART_CLK 36864000
- #include <asm/arch/debug-uart.S>
- ENTRY(setup_lowlevel_debug)
- init_debug_uart r0, r1, r2
- /* UART Port 0 */
- set_pinsel 85, 1, r0, r1
- set_pinsel 88, 1, r0, r1
- ldr r0, =SG_IECTRL
- ldr r1, [r0]
- orr r1, r1, #1
- str r1, [r0]
- mov pc, lr
- ENDPROC(setup_lowlevel_debug)
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