summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/superio/smsc/dme1737/Makefile.inc24
-rw-r--r--src/superio/smsc/dme1737/dme1737.h39
-rw-r--r--src/superio/smsc/dme1737/early_serial.c48
-rw-r--r--src/superio/smsc/dme1737/superio.c160
4 files changed, 271 insertions, 0 deletions
diff --git a/src/superio/smsc/dme1737/Makefile.inc b/src/superio/smsc/dme1737/Makefile.inc
new file mode 100644
index 0000000000..5e359d7981
--- /dev/null
+++ b/src/superio/smsc/dme1737/Makefile.inc
@@ -0,0 +1,24 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2000 AG Electronics Ltd.
+## Copyright (C) 2003-2004 Linux Networx
+## Copyright (C) 2004 Tyan
+##
+## 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.
+##
+
+romstage-$(CONFIG_SUPERIO_SMSC_LPC47B397) += early_serial.c
+ramstage-$(CONFIG_SUPERIO_SMSC_LPC47B397) += superio.c
diff --git a/src/superio/smsc/dme1737/dme1737.h b/src/superio/smsc/dme1737/dme1737.h
new file mode 100644
index 0000000000..bc70ba9491
--- /dev/null
+++ b/src/superio/smsc/dme1737/dme1737.h
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan
+ *
+ * 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.
+ */
+
+#ifndef SUPERIO_SMSC_LPC47B397_H
+#define SUPERIO_SMSC_LPC47B397_H
+
+#define LPC47B397_FDC 0 /* Floppy */
+#define LPC47B397_PP 3 /* Parallel Port */
+#define LPC47B397_SP1 4 /* Com1 */
+#define LPC47B397_SP2 5 /* Com2 */
+#define LPC47B397_KBC 7 /* Keyboard & Mouse */
+#define LPC47B397_HWM 8 /* HW Monitor */
+#define LPC47B397_RT 10 /* Runtime reg*/
+
+#include <arch/io.h>
+#include <stdint.h>
+
+void lpc47b397_enable_serial(pnp_devfn_t dev, u16 iobase);
+
+#endif /* SUPERIO_SMSC_LPC47B397_H */
diff --git a/src/superio/smsc/dme1737/early_serial.c b/src/superio/smsc/dme1737/early_serial.c
new file mode 100644
index 0000000000..f5b321e489
--- /dev/null
+++ b/src/superio/smsc/dme1737/early_serial.c
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <device/pnp.h>
+#include <stdint.h>
+#include "lpc47b397.h"
+
+static void pnp_enter_conf_state(pnp_devfn_t dev)
+{
+ u16 port = dev >> 8;
+ outb(0x55, port);
+}
+
+static void pnp_exit_conf_state(pnp_devfn_t dev)
+{
+ u16 port = dev >> 8;
+ outb(0xaa, port);
+}
+
+void lpc47b397_enable_serial(pnp_devfn_t dev, u16 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);
+}
diff --git a/src/superio/smsc/dme1737/superio.c b/src/superio/smsc/dme1737/superio.c
new file mode 100644
index 0000000000..a9a80926cb
--- /dev/null
+++ b/src/superio/smsc/dme1737/superio.c
@@ -0,0 +1,160 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan
+ *
+ * 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.
+ */
+
+#include <arch/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <superio/conf_mode.h>
+#include <console/console.h>
+#include <device/smbus.h>
+#include <string.h>
+#include <pc80/keyboard.h>
+#include <stdlib.h>
+#include "lpc47b397.h"
+
+static void enable_hwm_smbus(struct device *dev)
+{
+ /* Enable SensorBus register access. */
+ u8 reg8;
+
+ reg8 = pnp_read_config(dev, 0xf0);
+ reg8 |= (1 << 1);
+ pnp_write_config(dev, 0xf0, reg8);
+}
+
+static void lpc47b397_init(struct device *dev)
+{
+
+ if (!dev->enabled)
+ return;
+
+ switch(dev->path.pnp.device) {
+ case LPC47B397_KBC:
+ pc_keyboard_init();
+ break;
+ }
+}
+
+static void lpc47b397_pnp_enable_resources(struct device *dev)
+{
+ pnp_enable_resources(dev);
+
+ pnp_enter_conf_mode(dev);
+ switch(dev->path.pnp.device) {
+ case LPC47B397_HWM:
+ printk(BIOS_DEBUG, "LPC47B397 SensorBus register access enabled\n");
+ pnp_set_logical_device(dev);
+ enable_hwm_smbus(dev);
+ break;
+ }
+ /* dump_pnp_device(dev); */
+ pnp_exit_conf_mode(dev);
+}
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = pnp_set_resources,
+ .enable_resources = lpc47b397_pnp_enable_resources,
+ .enable = pnp_alt_enable,
+ .init = lpc47b397_init,
+ .ops_pnp_mode = &pnp_conf_mode_55_aa,
+};
+
+#define HWM_INDEX 0
+#define HWM_DATA 1
+#define SB_INDEX 0x0b
+#define SB_DATA0 0x0c
+#define SB_DATA1 0x0d
+#define SB_DATA2 0x0e
+#define SB_DATA3 0x0f
+
+static int lsmbus_read_byte(struct device *dev, u8 address)
+{
+ unsigned int device;
+ struct resource *res;
+ int result;
+
+ device = dev->path.i2c.device;
+
+ res = find_resource(get_pbus_smbus(dev)->dev, PNP_IDX_IO0);
+
+ pnp_write_index(res->base + HWM_INDEX, 0, device); /* Why 0? */
+
+ /* We only read it one byte one time. */
+ result = pnp_read_index(res->base + SB_INDEX, address);
+
+ return result;
+}
+
+static int lsmbus_write_byte(struct device *dev, u8 address, u8 val)
+{
+ unsigned int device;
+ struct resource *res;
+
+ device = dev->path.i2c.device;
+ res = find_resource(get_pbus_smbus(dev)->dev, PNP_IDX_IO0);
+
+ pnp_write_index(res->base+HWM_INDEX, 0, device); /* Why 0? */
+
+ /* We only write it one byte one time. */
+ pnp_write_index(res->base+SB_INDEX, address, val);
+
+ return 0;
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+ /* .recv_byte = lsmbus_recv_byte, */
+ /* .send_byte = lsmbus_send_byte, */
+ .read_byte = lsmbus_read_byte,
+ .write_byte = lsmbus_write_byte,
+};
+
+static struct device_operations ops_hwm = {
+ .read_resources = pnp_read_resources,
+ .set_resources = pnp_set_resources,
+ .enable_resources = lpc47b397_pnp_enable_resources,
+ .enable = pnp_alt_enable,
+ .init = lpc47b397_init,
+ .ops_smbus_bus = &lops_smbus_bus,
+ .ops_pnp_mode = &pnp_conf_mode_55_aa,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, LPC47B397_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+ { &ops, LPC47B397_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+ { &ops, LPC47B397_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, LPC47B397_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, LPC47B397_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
+ { &ops_hwm, LPC47B397_HWM, PNP_IO0, {0x07f0, 0}, },
+ { &ops, LPC47B397_RT, PNP_IO0, {0x0780, 0}, },
+};
+
+static void enable_dev(struct device *dev)
+{
+ pnp_enable_devices(dev, &pnp_ops,
+ ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+}
+
+struct chip_operations superio_smsc_lpc47b397_ops = {
+ CHIP_NAME("SMSC LPC47B397 Super I/O")
+ .enable_dev = enable_dev,
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 19:42:18 +0000