mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 02:55:11 +07:00
61673de131
Update IO offset of the early console UART. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Signed-off-by: John Crispin <blogic@openwrt.org> Patchwork: http://patchwork.linux-mips.org/patch/6281/
63 lines
2.3 KiB
C
63 lines
2.3 KiB
C
/*
|
|
* Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
|
|
* reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the NetLogic
|
|
* license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
|
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
|
|
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/serial_reg.h>
|
|
|
|
#include <asm/mipsregs.h>
|
|
#include <asm/netlogic/haldefs.h>
|
|
#include <asm/netlogic/common.h>
|
|
|
|
#if defined(CONFIG_CPU_XLP)
|
|
#include <asm/netlogic/xlp-hal/iomap.h>
|
|
#include <asm/netlogic/xlp-hal/xlp.h>
|
|
#include <asm/netlogic/xlp-hal/uart.h>
|
|
#elif defined(CONFIG_CPU_XLR)
|
|
#include <asm/netlogic/xlr/iomap.h>
|
|
#endif
|
|
|
|
void prom_putchar(char c)
|
|
{
|
|
uint64_t uartbase;
|
|
|
|
#if defined(CONFIG_CPU_XLP)
|
|
uartbase = nlm_get_uart_regbase(0, 0);
|
|
#elif defined(CONFIG_CPU_XLR)
|
|
uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET);
|
|
#endif
|
|
while ((nlm_read_reg(uartbase, UART_LSR) & UART_LSR_THRE) == 0)
|
|
;
|
|
nlm_write_reg(uartbase, UART_TX, c);
|
|
}
|