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

3 files changed, 187 insertions, 0 deletions

diff --git a/src/superio/serverengines/pilot/pilot.h b/src/superio/serverengines/pilot/pilot.h
new file mode 100644
index 0000000000..907cf66b1a
--- /dev/null
+++ b/src/superio/serverengines/pilot/pilot.h
@@ -0,0 +1,33 @@
+/*
+ * 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
diff --git a/src/superio/serverengines/pilot/pilot_early_init.c b/src/superio/serverengines/pilot/pilot_early_init.c
new file mode 100644
index 0000000000..0bd83c96ec
--- /dev/null
+++ b/src/superio/serverengines/pilot/pilot_early_init.c
@@ -0,0 +1,96 @@
+/*
+ * 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);
+*/
+
+}
+
+
+
diff --git a/src/superio/serverengines/pilot/pilot_early_serial.c b/src/superio/serverengines/pilot/pilot_early_serial.c
new file mode 100644
index 0000000000..934e8b113f
--- /dev/null
+++ b/src/superio/serverengines/pilot/pilot_early_serial.c
@@ -0,0 +1,58 @@
+/*
+ * 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);
+}
+