From 1ac92144af2a8378f9cd4eb352c7bc66ad3e2957 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen Date: Sat, 19 Jun 2010 04:08:16 +0000 Subject: [PATCH] --- yaml --- r: 204572 b: refs/heads/master c: c3b9566de89f40557e3a3d041ca08b05978aeb12 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/arch/mips/jz4740/serial.c | 33 +++++++++++++++++++++++++++++++++ trunk/arch/mips/jz4740/serial.h | 20 ++++++++++++++++++++ 3 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 trunk/arch/mips/jz4740/serial.c create mode 100644 trunk/arch/mips/jz4740/serial.h diff --git a/[refs] b/[refs] index 58cc17e5df50..44825f36909c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: eda0347bf8b449a42b3bf4e0b9754263d853982f +refs/heads/master: c3b9566de89f40557e3a3d041ca08b05978aeb12 diff --git a/trunk/arch/mips/jz4740/serial.c b/trunk/arch/mips/jz4740/serial.c new file mode 100644 index 000000000000..d23de45826d1 --- /dev/null +++ b/trunk/arch/mips/jz4740/serial.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2010, Lars-Peter Clausen + * JZ4740 serial support + * + * 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. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include +#include +#include + +void jz4740_serial_out(struct uart_port *p, int offset, int value) +{ + switch (offset) { + case UART_FCR: + value |= 0x10; /* Enable uart module */ + break; + case UART_IER: + value |= (value & 0x4) << 2; + break; + default: + break; + } + writeb(value, p->membase + (offset << p->regshift)); +} diff --git a/trunk/arch/mips/jz4740/serial.h b/trunk/arch/mips/jz4740/serial.h new file mode 100644 index 000000000000..b9fe3ade0289 --- /dev/null +++ b/trunk/arch/mips/jz4740/serial.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2010, Lars-Peter Clausen + * JZ4740 serial support + * + * 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. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef __MIPS_JZ4740_SERIAL_H__ + +void jz4740_serial_out(struct uart_port *p, int offset, int value); + +#endif