5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
42 lines
715 B
C
42 lines
715 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm/mach-ebsa110/include/mach/uncompress.h
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*
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* Copyright (C) 1996,1997,1998 Russell King
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*/
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#include <linux/serial_reg.h>
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#define SERIAL_BASE ((unsigned char *)0xf0000be0)
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/*
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* This does not append a newline
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*/
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static inline void putc(int c)
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{
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unsigned char v, *base = SERIAL_BASE;
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do {
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v = base[UART_LSR << 2];
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barrier();
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} while (!(v & UART_LSR_THRE));
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base[UART_TX << 2] = c;
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}
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static inline void flush(void)
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{
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unsigned char v, *base = SERIAL_BASE;
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do {
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v = base[UART_LSR << 2];
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barrier();
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} while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
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(UART_LSR_TEMT|UART_LSR_THRE));
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}
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/*
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* nothing to do
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*/
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#define arch_decomp_setup()
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