diff options
author | Jonas Bonn <jonas@southpole.se> | 2011-06-04 22:43:49 +0300 |
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committer | Jonas Bonn <jonas@southpole.se> | 2011-07-22 18:46:39 +0200 |
commit | 58e0166a4772aaeb10c9b0f6d59f19099d2047df (patch) | |
tree | 9b4407ee02d1364a98ddb1604143444ff2bf7631 /arch/openrisc/include/asm/serial.h | |
parent | 769a8a96229e6b2f1e3a2b3b38e27981f7fb9902 (diff) |
OpenRISC: Headers
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/openrisc/include/asm/serial.h')
-rw-r--r-- | arch/openrisc/include/asm/serial.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/openrisc/include/asm/serial.h b/arch/openrisc/include/asm/serial.h new file mode 100644 index 000000000000..270a45241639 --- /dev/null +++ b/arch/openrisc/include/asm/serial.h @@ -0,0 +1,36 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> + * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> + * et al. + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef __ASM_OPENRISC_SERIAL_H +#define __ASM_OPENRISC_SERIAL_H + +#ifdef __KERNEL__ + +#include <asm/cpuinfo.h> + +/* There's a generic version of this file, but it assumes a 1.8MHz UART clk... + * this, on the other hand, assumes the UART clock is tied to the system + * clock... 8250_early.c (early 8250 serial console) actually uses this, so + * it needs to be correct to get the early console working. + */ + +#define BASE_BAUD (cpuinfo.clock_frequency/16) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_OPENRISC_SERIAL_H */ |