diff options
Diffstat (limited to 'src/superio/intel/i3100/early_serial.c')
-rw-r--r-- | src/superio/intel/i3100/early_serial.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/src/superio/intel/i3100/early_serial.c b/src/superio/intel/i3100/early_serial.c deleted file mode 100644 index 0b0bb26825d6..000000000000 --- a/src/superio/intel/i3100/early_serial.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2008 Arastra, Inc. - * - * 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. - * - * This program is distributed in the hope that 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. - */ - -#include <arch/io.h> -#include <device/pnp.h> -#include <stdint.h> -#include "i3100.h" - -static void pnp_enter_ext_func_mode(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - - outb(0x80, port); - outb(0x86, port); -} - -static void pnp_exit_ext_func_mode(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - - outb(0x68, port); - outb(0x08, port); -} - -/* Enable device interrupts, set UART_CLK predivide. */ -void i3100_configure_uart_clk(pnp_devfn_t dev, u8 predivide) -{ - pnp_enter_ext_func_mode(dev); - pnp_write_config(dev, I3100_SIW_CONFIGURATION, (predivide << 2) | 1); - pnp_exit_ext_func_mode(dev); -} - -void i3100_enable_serial(pnp_devfn_t dev, u16 iobase) -{ - pnp_enter_ext_func_mode(dev); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, iobase); - pnp_set_enable(dev, 1); - pnp_exit_ext_func_mode(dev); -} |