diff options
author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2019-10-20 18:01:35 +0300 |
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committer | Paul Burton <paulburton@kernel.org> | 2019-11-02 00:31:28 +0300 |
commit | 1bdb7b76705a38936e9875950587ea91c9ec0a98 (patch) | |
tree | e1a0946643e6dcee33b9f64736bda0dd78b6ffb3 /arch/mips/loongson64/common/early_printk.c | |
parent | 5831fdb099ddeec9849658cd534fdcbb03aa6ff9 (diff) | |
download | linux-1bdb7b76705a38936e9875950587ea91c9ec0a98.tar.xz |
MIPS: Loongson64: Cleanup unused code
Clean up legacy code after stripping out Loongson2ef code.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Paul Burton <paulburton@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: paul.burton@mips.com
Diffstat (limited to 'arch/mips/loongson64/common/early_printk.c')
-rw-r--r-- | arch/mips/loongson64/common/early_printk.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/mips/loongson64/common/early_printk.c b/arch/mips/loongson64/common/early_printk.c deleted file mode 100644 index 5e2a151aa30c..000000000000 --- a/arch/mips/loongson64/common/early_printk.c +++ /dev/null @@ -1,38 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* early printk support - * - * Copyright (c) 2009 Philippe Vachon <philippe@cowpig.ca> - * Copyright (c) 2009 Lemote Inc. - * Author: Wu Zhangjin, wuzhangjin@gmail.com - */ -#include <linux/serial_reg.h> -#include <asm/setup.h> - -#include <loongson.h> - -#define PORT(base, offset) (u8 *)(base + offset) - -static inline unsigned int serial_in(unsigned char *base, int offset) -{ - return readb(PORT(base, offset)); -} - -static inline void serial_out(unsigned char *base, int offset, int value) -{ - writeb(value, PORT(base, offset)); -} - -void prom_putchar(char c) -{ - int timeout; - unsigned char *uart_base; - - uart_base = (unsigned char *)_loongson_uart_base[0]; - timeout = 1024; - - while (((serial_in(uart_base, UART_LSR) & UART_LSR_THRE) == 0) && - (timeout-- > 0)) - ; - - serial_out(uart_base, UART_TX, c); -} |