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serial: add VR41xx SIU setup for serial console 

Add VR41xx SIU setup for serial console.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Yoichi Yuasa 2008-04-28 02:14:08 -07:00 committed by Linus Torvalds
parent baac58955d
commit fc3f341b5a
4 changed files with 52 additions and 4 deletions
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4
arch/mips/vr41xx/common/init.c
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@ -1,7 +1,7 @@
/*
* init.c, Common initialization routines for NEC VR4100 series.
*
* Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -53,6 +53,8 @@ void __init plat_time_init(void)
void __init plat_mem_setup(void)
{
iomem_resource_init();
vr41xx_siu_setup();
}
void __init prom_init(void)

36
arch/mips/vr41xx/common/siu.c
View File

@ -1,7 +1,7 @@
/*
* NEC VR4100 series SIU platform device.
*
* Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2007-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -118,3 +118,37 @@ err_free_device:
return retval;
}
device_initcall(vr41xx_siu_add);
void __init vr41xx_siu_setup(void)
{
struct uart_port port;
struct resource *res;
unsigned int *type;
int i;
switch (current_cpu_type()) {
case CPU_VR4111:
case CPU_VR4121:
type = siu_type1_ports;
res = siu_type1_resource;
break;
case CPU_VR4122:
case CPU_VR4131:
case CPU_VR4133:
type = siu_type2_ports;
res = siu_type2_resource;
break;
default:
return;
}
for (i = 0; i < SIU_PORTS_MAX; i++) {
port.line = i;
port.type = type[i];
if (port.type == PORT_UNKNOWN)
break;
port.mapbase = res[i].start;
port.membase = (unsigned char __iomem *)KSEG1ADDR(res[i].start);
vr41xx_siu_early_setup(&port);
}
}

8
include/asm-mips/vr41xx/siu.h
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@ -1,7 +1,7 @@
/*
* Include file for NEC VR4100 series Serial Interface Unit.
*
* Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2005-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -49,4 +49,10 @@ typedef enum {
extern void vr41xx_select_irda_module(irda_module_t module, irda_speed_t speed);
#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
extern void vr41xx_siu_early_setup(struct uart_port *port);
#else
static inline void vr41xx_siu_early_setup(struct uart_port *port) {}
#endif
#endif /* __NEC_VR41XX_SIU_H */

8
include/asm-mips/vr41xx/vr41xx.h
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@ -7,7 +7,7 @@
* Copyright (C) 2001, 2002 Paul Mundt
* Copyright (C) 2002 MontaVista Software, Inc.
* Copyright (C) 2002 TimeSys Corp.
* Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
* Copyright (C) 2003-2008 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@ -143,4 +143,10 @@ extern void vr41xx_disable_csiint(uint16_t mask);
extern void vr41xx_enable_bcuint(void);
extern void vr41xx_disable_bcuint(void);
#ifdef CONFIG_SERIAL_VR41XX_CONSOLE
extern void vr41xx_siu_setup(void);
#else
static inline void vr41xx_siu_setup(void) {}
#endif
#endif /* __NEC_VR41XX_H */