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authorCorey Osgood <corey_osgood@verizon.net>2007-04-05 18:48:21 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2007-04-05 18:48:21 +0000
commita01d0ea87c47d92eb139c0ca3f428e617c1049e7 (patch)
tree3c3361b2e83337df1b451769813ea47d4becc5af /src
parentb8c64378112fd61a698d545562dfbafaa353243d (diff)
Add early serial support for the Fintek F81705F Super I/O.
Signed-off-by: Corey Osgood <corey_osgood@verizon.net> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2582 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
-rw-r--r--src/superio/fintek/f71805f/chip.h28
-rw-r--r--src/superio/fintek/f71805f/f71805f.h29
-rw-r--r--src/superio/fintek/f71805f/f71805f_early_serial.c44
3 files changed, 101 insertions, 0 deletions
diff --git a/src/superio/fintek/f71805f/chip.h b/src/superio/fintek/f71805f/chip.h
new file mode 100644
index 0000000000..77bb9b92f7
--- /dev/null
+++ b/src/superio/fintek/f71805f/chip.h
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey@slightlyhackish.com>
+ *
+ * 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
+ */
+
+struct chip_operations;
+extern struct chip_operations superio_fintek_f71805f_ops;
+
+#include <uart8250.h>
+
+struct superio_fintek_f71805f_config {
+ struct uart8250 com1, com2;
+};
diff --git a/src/superio/fintek/f71805f/f71805f.h b/src/superio/fintek/f71805f/f71805f.h
new file mode 100644
index 0000000000..ed6b55e992
--- /dev/null
+++ b/src/superio/fintek/f71805f/f71805f.h
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey@slightlyhackish.com>
+ *
+ * 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
+ */
+
+/* Logical Device Numbers (LDN) */
+#define F71805F_FDC 0x00 /* Floppy */
+#define F71805F_SP1 0x01 /* UART1 */
+#define F71805F_SP2 0x02 /* UART2 */
+#define F71805F_PP 0x03 /* Parallel Port */
+#define F71805F_HWM 0x04 /* Hardware Monitor */
+#define F71805F_GPIO 0x06 /* General Purpose I/O (GPIO) */
+#define F71805F_PME 0x0A /* Power Management Events (PME) */
+/* All others reserved */
diff --git a/src/superio/fintek/f71805f/f71805f_early_serial.c b/src/superio/fintek/f71805f/f71805f_early_serial.c
new file mode 100644
index 0000000000..708d05987c
--- /dev/null
+++ b/src/superio/fintek/f71805f/f71805f_early_serial.c
@@ -0,0 +1,44 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Corey Osgood <corey@slightlyhackish.com>
+ *
+ * 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
+ */
+
+/* Pre-RAM driver for Fintek F81705F Super I/O chip. */
+
+#include <arch/romcc_io.h>
+#include "f71805f.h"
+
+static inline void pnp_enter_conf_state(device_t dev) {
+ unsigned port = dev>>8;
+ outb(0x87, port);
+}
+
+static void pnp_exit_conf_state(device_t dev) {
+ unsigned port = dev>>8;
+ outb(0xaa, port);
+}
+
+static void f71805f_enable_serial(device_t dev, unsigned iobase)
+{
+ pnp_enter_conf_state(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_conf_state(dev);
+}