Add support for the SMSC FDC37M60x Super I/O (tested on FDC37M602).

Serial output on serial port 1 is tested and works, the rest probably not yet.

Closes #59.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2525 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

5 files changed, 263 insertions, 0 deletions

diff --git a/src/superio/smsc/fdc37m60x/Config.lb b/src/superio/smsc/fdc37m60x/Config.lb
new file mode 100644
index 0000000000..a03c28b1c8
--- /dev/null
+++ b/src/superio/smsc/fdc37m60x/Config.lb
@@ -0,0 +1,23 @@
+##
+## This file is part of the LinuxBIOS project.
+##
+## Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+##
+## 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
+##
+
+config chip.h
+object superio.o
+
diff --git a/src/superio/smsc/fdc37m60x/chip.h b/src/superio/smsc/fdc37m60x/chip.h
new file mode 100644
index 0000000000..fb02eb61bc
--- /dev/null
+++ b/src/superio/smsc/fdc37m60x/chip.h
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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
+ */
+
+#ifndef _SUPERIO_SMSC_FDC37M60X
+#define _SUPERIO_SMSC_FDC37M60X
+
+#include <device/device.h>
+#include <pc80/keyboard.h>
+#include <uart8250.h>
+
+extern struct chip_operations superio_smsc_fdc37m60x_ops;
+
+struct superio_smsc_fdc37m60x_config {
+	struct uart8250 com1, com2;
+	struct pc_keyboard keyboard;
+};
+
+#endif /* _SUPERIO_SMSC_FDC37M60X */
+
diff --git a/src/superio/smsc/fdc37m60x/fdc37m60x.h b/src/superio/smsc/fdc37m60x/fdc37m60x.h
new file mode 100644
index 0000000000..553416a073
--- /dev/null
+++ b/src/superio/smsc/fdc37m60x/fdc37m60x.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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
+ */
+
+/*
+ * Datasheet:
+ *   - Name: FDC37M60x Enhanced Super I/O Controller with Infrared Support.
+ *   - URL: http://www.smsc.com/main/discfdc.html
+ *   - PDF: http://www.smsc.com/main/tools/discontinued/37m602.pdf
+ *   - Revision: 6/6/97
+ */
+
+/* Status: Serial port 1 is tested and works (tested on FDC37M602). */
+
+/* Note: Logical devices 1, 2, 6, and 9 are reserved. */
+
+#define FDC37M60X_FDC  0x00 /* Floppy */
+#define FDC37M60X_PP   0x03 /* Parallel port */
+#define FDC37M60X_SP1  0x04 /* Com1 */
+#define FDC37M60X_SP2  0x05 /* Com2 */
+#define FDC37M60X_KBCK 0x07 /* Keyboard */
+#define FDC37M60X_AUX  0x08 /* Auxiliary I/O */
+
diff --git a/src/superio/smsc/fdc37m60x/fdc37m60x_early_serial.c b/src/superio/smsc/fdc37m60x/fdc37m60x_early_serial.c
new file mode 100644
index 0000000000..7a38a33667
--- /dev/null
+++ b/src/superio/smsc/fdc37m60x/fdc37m60x_early_serial.c
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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
+ */
+
+#include <arch/romcc_io.h>
+#include "fdc37m60x.h"
+
+/* The base address is 0x3f0 or 0x370, depending on the SYSOPT pin. */
+#define SIO_BASE                       0x3f0
+#define SIO_INDEX                      SIO_BASE
+#define SIO_DATA                       SIO_BASE+1
+
+/* Global configuration registers. */
+#define FDC37M60X_CONFIG_REG_CC        0x02  /* Configure Control. */
+#define FDC37M60X_CONFIG_REG_LDN       0x07  /* Logical Device Number. */
+#define FDC37M60X_CONFIG_POWER_CONTROL 0x22  /* Power Control. */
+#define FDC37M60X_CONFIG_POWER_MGMT    0x23  /* Intelligent Power Mgmt. */
+#define FDC37M60X_CONFIG_OSC           0x24  /* OSC. */
+
+#define FDC37M60X_CONFIGURATION_PORT   0x3f0 /* Write-only. */
+
+/* The content of FDC37M60X_CONFIG_REG_LDN (index 0x07) must be set to the
+   LDN the register belongs to, before you can access the register. */
+static void fdc37m60x_sio_write(uint8_t ldn, uint8_t index, uint8_t value)
+{
+	outb(FDC37M60X_CONFIG_REG_LDN, SIO_BASE);
+	outb(ldn, SIO_DATA);
+	outb(index, SIO_BASE);
+	outb(value, SIO_DATA);
+}
+
+/* Enable the peripheral devices on the FDC37M60X Super I/O chip. */
+static void fdc37m60x_enable_serial(device_t dev, unsigned iobase)
+{
+	/* (1) Enter the configuration state. */
+	outb(0x55, FDC37M60X_CONFIGURATION_PORT);
+
+	/* (2) Modify the data of configuration registers. */
+
+	/* Power on all devices by setting the respective bit.
+	   Bits: 0 (FDC), 3 (PP), 4 (Com1), 5 (Com2). The rest is reserved. */
+	fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_POWER_CONTROL, 0x39);
+
+	/* Disable intelligent power management. */
+	fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_POWER_MGMT, 0x00);
+
+	/* Turn on OSC, turn on BRG clock. */
+	fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_OSC, 0x04);
+
+	/* Configure serial port 1. */
+	fdc37m60x_sio_write(FDC37M60X_SP1, 0x60, 0x03);
+	fdc37m60x_sio_write(FDC37M60X_SP1, 0x61, 0xf8); /* I/O 0x3f8 */
+	fdc37m60x_sio_write(FDC37M60X_SP1, 0x70, 0x04); /* IRQ 4 */
+	fdc37m60x_sio_write(FDC37M60X_SP1, 0xf0, 0x00); /* Normal */
+
+	/* Enable serial port 1. */
+	fdc37m60x_sio_write(FDC37M60X_SP1, 0x30, 0x01);
+
+	/* (3) Exit the configuration state. */
+	outb(0xaa, FDC37M60X_CONFIGURATION_PORT);
+}
+
diff --git a/src/superio/smsc/fdc37m60x/superio.c b/src/superio/smsc/fdc37m60x/superio.c
new file mode 100644
index 0000000000..56d918ee9a
--- /dev/null
+++ b/src/superio/smsc/fdc37m60x/superio.c
@@ -0,0 +1,87 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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
+ */
+
+#include <device/device.h>
+#include <device/pnp.h>
+#include <uart8250.h>
+#include <pc80/keyboard.h>
+#include "chip.h"
+#include "fdc37m60x.h"
+
+static void init(device_t dev)
+{
+	struct superio_smsc_fdc37m60x_config *conf;
+	struct resource *res0, *res1;
+
+	if (!dev->enabled) {
+		return;
+	}
+
+	conf = dev->chip_info;
+
+	switch (dev->path.u.pnp.device) {
+	case FDC37M60X_FDC: /* TODO. */
+		break;
+	case FDC37M60X_PP: /* TODO. */
+		break;
+	case FDC37M60X_SP1:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		init_uart8250(res0->base, &conf->com1);
+		break;
+	case FDC37M60X_SP2:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		init_uart8250(res0->base, &conf->com2);
+		break;
+	case FDC37M60X_KBCK:
+		res0 = find_resource(dev, PNP_IDX_IO0);
+		res1 = find_resource(dev, PNP_IDX_IO1);
+		init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+		break;
+	case FDC37M60X_AUX: /* TODO. */
+		break;
+	}
+}
+
+static struct device_operations ops = {
+	.read_resources   = pnp_read_resources,
+	.set_resources    = pnp_set_resources,
+	.enable_resources = pnp_enable_resources,
+	.enable           = pnp_enable,
+	.init             = init,
+};
+
+/* TODO: FDC, PP, AUX. */
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, FDC37M60X_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, FDC37M60X_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
+ { &ops, FDC37M60X_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
+};
+
+static void enable_dev(struct device *dev)
+{
+	pnp_enable_devices(dev, &pnp_ops,
+		sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
+}
+
+struct chip_operations superio_smsc_fdc37m60x_ops = {
+	CHIP_NAME("SMSC FDC37M60X Super I/O")
+	.enable_dev = enable_dev,
+};
+