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authorYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>2008-04-28 02:14:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 08:58:30 -0700
commitfc3f341b5a1a3f26ec8ed74a38234db7d0d1bae1 (patch)
treed7c0bc678f4b83ddf66bb9b9501d72a02a39fa11
parentbaac58955d6933571f29126a1a95299b421faef7 (diff)
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>
-rw-r--r--arch/mips/vr41xx/common/init.c4
-rw-r--r--arch/mips/vr41xx/common/siu.c36
-rw-r--r--include/asm-mips/vr41xx/siu.h8
-rw-r--r--include/asm-mips/vr41xx/vr41xx.h8
4 files changed, 52 insertions, 4 deletions
diff --git a/arch/mips/vr41xx/common/init.c b/arch/mips/vr41xx/common/init.c
index 76d4b5ed3fc0..c64995342ba8 100644
--- a/arch/mips/vr41xx/common/init.c
+++ b/arch/mips/vr41xx/common/init.c
@@ -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)
diff --git a/arch/mips/vr41xx/common/siu.c b/arch/mips/vr41xx/common/siu.c
index b735f45b25f0..654dee6208be 100644
--- a/arch/mips/vr41xx/common/siu.c
+++ b/arch/mips/vr41xx/common/siu.c
@@ -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);
+ }
+}
diff --git a/include/asm-mips/vr41xx/siu.h b/include/asm-mips/vr41xx/siu.h
index 98cdb4096485..da9f6e373409 100644
--- a/include/asm-mips/vr41xx/siu.h
+++ b/include/asm-mips/vr41xx/siu.h
@@ -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 */
diff --git a/include/asm-mips/vr41xx/vr41xx.h b/include/asm-mips/vr41xx/vr41xx.h
index 88b492f6ea9c..22be64971cc6 100644
--- a/include/asm-mips/vr41xx/vr41xx.h
+++ b/include/asm-mips/vr41xx/vr41xx.h
@@ -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 */