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author | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:32:56 +0100 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 17:32:56 +0100 |
commit | f6e2373ad6148476464fc7bb2610c6450c18cd2a (patch) | |
tree | f73cb9a4d26b30b2cbf8530047c3825809867be5 /arch/mips/mipssim/sim_console.c | |
parent | 24e9d0b96dac5503c0b6f034d553030c604228a7 (diff) | |
download | blackbird-op-linux-f6e2373ad6148476464fc7bb2610c6450c18cd2a.tar.gz blackbird-op-linux-f6e2373ad6148476464fc7bb2610c6450c18cd2a.zip |
[MIPS] MIPSsim: Move code away from the other MIPS Inc. BSP code.
It shares no code at all. While at it also fix up the beginning bitrot.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mipssim/sim_console.c')
-rw-r--r-- | arch/mips/mipssim/sim_console.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/mipssim/sim_console.c b/arch/mips/mipssim/sim_console.c new file mode 100644 index 000000000000..a2f41672cd5d --- /dev/null +++ b/arch/mips/mipssim/sim_console.c @@ -0,0 +1,40 @@ +/* + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2007 MIPS Technologies, Inc. + * written by Ralf Baechle + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/serial_reg.h> + +static inline unsigned int serial_in(int offset) +{ + return inb(0x3f8 + offset); +} + +static inline void serial_out(int offset, int value) +{ + outb(value, 0x3f8 + offset); +} + +void __init prom_putchar(char c) +{ + while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0) + ; + + serial_out(UART_TX, c); +} |