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This patch add rudimentary support for the superio functionality of 

the Serverengines Pilot BMC chip. Necessary to get serial out on the
HP DL145 G3.

Signed-off-by: Mondrian nuessle <nuessle@uni-hd.de>
Acked-by: Samuel Verstraete <samuel.verstraete@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4183 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Mondrian nuessle 2009-04-22 20:30:42 +00:00 committed by Myles Watson
parent d9b1c4f42f
commit 21da019a1e
3 changed files with 187 additions and 0 deletions
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33
src/superio/serverengines/pilot/pilot.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 University of Heidelberg
* Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for University of Heidelberg
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* PILOT SuperIO is only based on LPC observation done on factory system. */
#define PILOT_SP1 0x02
// Serial port COM1
#define PILOT_LD1 0x01
// logical device 1
#define PILOT_LD4 0x04
// logical device 4
#define PILOT_LD5 0x05
// logical device 5
#define PILOT_LD7 0x07
// logical device 7

96
src/superio/serverengines/pilot/pilot_early_init.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 University of Heidelberg
* Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for University of Heidelberg
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* PILOT SuperIO is only based on LPC observation done on factory system. */
#define BLUBB_DEV PNP_DEV(port, 0x04)
/* Logical device 4, 5 and 7 are being deactivated. Logical Device 1 seems to
be another serial (?), it is also deactivated on the HP machine */
static void pilot_early_init(device_t dev)
{
unsigned port = dev>>8;
print_debug("Using port:");print_debug_hex16(port);print_debug("\r\n");
pilot_disable_serial(PNP_DEV(port,0x1));
print_debug("disable serial 1\r\n");
/*
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x3));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable( PNP_DEV(port,0x3),0);
pnp_exit_ext_func_mode(dev);
*/
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x4));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable( PNP_DEV(port,0x4),0);
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x5));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable(PNP_DEV(port,0x5),0);
pnp_exit_ext_func_mode(dev);
/*
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x6));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable( PNP_DEV(port,0x6),0);
pnp_exit_ext_func_mode(dev);
*/
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x7));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable(PNP_DEV(port,0x7), 0);
pnp_exit_ext_func_mode(dev);
/*
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x8));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable(PNP_DEV(port,0x8), 0);
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x9));
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable(PNP_DEV(port,0x9), 0);
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(PNP_DEV(port,0x10;
pnp_exit_ext_func_mode(dev);
pnp_enter_ext_func_mode(dev);
pnp_set_enable(PNP_DEV(port,0x10 0);
pnp_exit_ext_func_mode(dev);
*/
}

58
src/superio/serverengines/pilot/pilot_early_serial.c Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2009 University of Heidelberg
* Written by Mondrian Nuessle <nuessle@uni-heidelberg.de> for University of Heidelberg
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* PILOT SuperIO is only based on LPC observation done on factory system. */
#include <arch/romcc_io.h>
#include "pilot.h"
/* pilot uses 0x5A/0xA5 pattern to actiavte deactivate config access */
static inline void pnp_enter_ext_func_mode(device_t dev)
{
unsigned port = dev>>8;
outb(0x5A, port);
}
static void pnp_exit_ext_func_mode(device_t dev)
{
unsigned port = dev>>8;
outb(0xA5, port);
}
/* serial config is failry standard procedure */
static void pilot_enable_serial(device_t dev, unsigned iobase)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
pnp_exit_ext_func_mode(dev);
}
static void pilot_disable_serial(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_iobase(dev, PNP_IDX_IO0, 0x00);
pnp_set_enable(dev, 0);
pnp_exit_ext_func_mode(dev);
}