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-rw-r--r--src/superio/smsc/lpc47n217/superio.c780
1 files changed, 386 insertions, 394 deletions
diff --git a/src/superio/smsc/lpc47n217/superio.c b/src/superio/smsc/lpc47n217/superio.c
index 362f257fac..419b3babeb 100644
--- a/src/superio/smsc/lpc47n217/superio.c
+++ b/src/superio/smsc/lpc47n217/superio.c
@@ -1,394 +1,386 @@
-/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/superio/smsc/lpc47n217/superio.c,v 1.1.1.1 2005/07/11 15:28:51 smagnani Exp $
- *
- * superio.c: RAM-based driver for SMSC LPC47N217 Super I/O chip
- *
- * Based on LinuxBIOS code for SMSC 47B397:
- * Copyright 2000 AG Electronics Ltd.
- * Copyright 2003-2004 Linux Networx
- * Copyright 2004 Tyan
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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
- *
- * $Log: superio.c,v $
- * Revision 1.1.1.1 2005/07/11 15:28:51 smagnani
- * Initial revision.
- *
- *
- */
-
-#include <arch/io.h>
-#include <device/device.h>
-#include <device/pnp.h>
-#include <console/console.h>
-#include <device/smbus.h>
-#include <string.h>
-#include <bitops.h>
-#include <uart8250.h>
-#include <assert.h>
-#include "chip.h"
-#include "lpc47n217.h"
-
-// Forward declarations
-static void enable_dev(device_t dev);
-void lpc47n217_pnp_set_resources(device_t dev);
-void lpc47n217_pnp_enable_resources(device_t dev);
-void lpc47n217_pnp_enable(device_t dev);
-static void lpc47n217_init(device_t dev);
-
-static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource);
-void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase);
-void lpc47n217_pnp_set_drq(device_t dev, unsigned drq);
-void lpc47n217_pnp_set_irq(device_t dev, unsigned irq);
-void lpc47n217_pnp_set_enable(device_t dev, int enable);
-
-static void pnp_enter_conf_state(device_t dev);
-static void pnp_exit_conf_state(device_t dev);
-
-
-struct chip_operations superio_smsc_lpc47n217_ops = {
- CHIP_NAME("smsc lpc47n217")
- .enable_dev = enable_dev,
-};
-
-static struct device_operations ops = {
- .read_resources = pnp_read_resources,
- .set_resources = lpc47n217_pnp_set_resources,
- .enable_resources = lpc47n217_pnp_enable_resources,
- .enable = lpc47n217_pnp_enable,
- .init = lpc47n217_init,
-};
-
-static struct pnp_info pnp_dev_info[] = {
- { &ops, LPC47N217_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
- { &ops, LPC47N217_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
- { &ops, LPC47N217_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }
-};
-
-/**********************************************************************************/
-/* PUBLIC INTERFACE */
-/**********************************************************************************/
-
-//----------------------------------------------------------------------------------
-// Function: enable_dev
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Create device structures and allocate resources to devices
-// specified in the pnp_dev_info array (above).
-//
-static void enable_dev(device_t dev)
-{
- pnp_enable_devices(dev, &pnp_ops,
- sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]),
- pnp_dev_info);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_pnp_set_resources
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Configure the specified Super I/O device with the resources
-// (I/O space, etc.) that have been allocate for it.
-//
-void lpc47n217_pnp_set_resources(device_t dev)
-{
- int i;
-
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_set_resources() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
- for(i = 0; i < dev->resources; i++)
- lpc47n217_pnp_set_resource(dev, &dev->resource[i]);
-
-// dump_pnp_device(dev);
-
- pnp_exit_conf_state(dev);
-}
-
-void lpc47n217_pnp_enable_resources(device_t dev)
-{
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_enable_resources() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
- lpc47n217_pnp_set_enable(dev, 1);
-
- pnp_exit_conf_state(dev);
-}
-
-void lpc47n217_pnp_enable(device_t dev)
-{
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_set_enable() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
-
- if(dev->enabled) {
- lpc47n217_pnp_set_enable(dev, 1);
- }
- else {
- lpc47n217_pnp_set_enable(dev, 0);
- }
-
- pnp_exit_conf_state(dev);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_init
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Initialize the specified Super I/O device.
-// Devices other than COM ports are ignored.
-// For COM ports, we configure the baud rate.
-//
-static void lpc47n217_init(device_t dev)
-{
- struct superio_smsc_lpc47n217_config* conf = dev->chip_info;
- struct resource *res0;
-
- if (!dev->enabled)
- return;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_SP1:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com1);
- break;
-
- case LPC47N217_SP2:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com2);
- break;
- }
-}
-
-
-/**********************************************************************************/
-/* PRIVATE FUNCTIONS */
-/**********************************************************************************/
-
-static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource)
-{
- if (!(resource->flags & IORESOURCE_ASSIGNED)) {
- printk_err("ERROR: %s %02x not allocated\n",
- dev_path(dev), resource->index);
- return;
- }
-
- /* Now store the resource */
- // NOTE: Cannot use pnp_set_XXX() here because they assume chip
- // support for logical devices, which the LPC47N217 doesn't have
-
- if (resource->flags & IORESOURCE_IO) {
- lpc47n217_pnp_set_iobase(dev, resource->base);
- }
- else if (resource->flags & IORESOURCE_DRQ) {
- lpc47n217_pnp_set_drq(dev, resource->base);
- }
- else if (resource->flags & IORESOURCE_IRQ) {
- lpc47n217_pnp_set_irq(dev, resource->base);
- }
- else {
- printk_err("ERROR: %s %02x unknown resource type\n",
- dev_path(dev), resource->index);
- return;
- }
- resource->flags |= IORESOURCE_STORED;
-
- report_resource_stored(dev, resource, "");
-}
-
-void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase)
-{
- ASSERT(!(iobase & 0x3));
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP1:
- pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP2:
- pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff);
- break;
-
- default:
- BUG();
- break;
- }
-}
-
-void lpc47n217_pnp_set_drq(device_t dev, unsigned drq)
-{
- if (dev->path.u.pnp.device == LPC47N217_PP) {
- const uint8_t PP_DMA_MASK = 0x0F;
- const uint8_t PP_DMA_SELECTION_REGISTER = 0x26;
- uint8_t current_config = pnp_read_config(dev, PP_DMA_SELECTION_REGISTER);
- uint8_t new_config;
-
- ASSERT(!(drq & ~PP_DMA_MASK)); // DRQ out of range??
- new_config = (current_config & ~PP_DMA_MASK) | drq;
- pnp_write_config(dev, PP_DMA_SELECTION_REGISTER, new_config);
- } else {
- BUG();
- }
-}
-
-void lpc47n217_pnp_set_irq(device_t dev, unsigned irq)
-{
- uint8_t irq_config_register = 0;
- uint8_t irq_config_mask = 0;
- uint8_t current_config;
- uint8_t new_config;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- irq_config_register = 0x27;
- irq_config_mask = 0x0F;
- break;
-
- case LPC47N217_SP1:
- irq_config_register = 0x28;
- irq_config_mask = 0xF0;
- irq <<= 4;
- break;
-
- case LPC47N217_SP2:
- irq_config_register = 0x28;
- irq_config_mask = 0x0F;
- break;
-
- default:
- BUG();
- return;
- }
-
- ASSERT(!(irq & ~irq_config_mask)); // IRQ out of range??
-
- current_config = pnp_read_config(dev, irq_config_register);
- new_config = (current_config & ~irq_config_mask) | irq;
- pnp_write_config(dev, irq_config_register, new_config);
-}
-
-void lpc47n217_pnp_set_enable(device_t dev, int enable)
-{
- uint8_t power_register = 0;
- uint8_t power_mask = 0;
- uint8_t current_power;
- uint8_t new_power;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- power_register = 0x01;
- power_mask = 0x04;
- break;
-
- case LPC47N217_SP1:
- power_register = 0x02;
- power_mask = 0x08;
- break;
-
- case LPC47N217_SP2:
- power_register = 0x02;
- power_mask = 0x80;
- break;
-
- default:
- BUG();
- return;
- }
-
- current_power = pnp_read_config(dev, power_register);
- new_power = current_power & ~power_mask; // disable by default
-
- if (enable) {
- struct resource* ioport_resource = find_resource(dev, PNP_IDX_IO0);
- lpc47n217_pnp_set_iobase(dev, ioport_resource->base);
-
- new_power |= power_mask; // Enable
-
- } else {
- lpc47n217_pnp_set_iobase(dev, 0);
- }
- pnp_write_config(dev, power_register, new_power);
-}
-
-
-//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Enable access to the LPC47N217's configuration registers.
-//
-static void pnp_enter_conf_state(device_t dev)
-{
- outb(0x55, dev->path.u.pnp.port);
-}
-
-//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Disable access to the LPC47N217's configuration registers.
-//
-static void pnp_exit_conf_state(device_t dev)
-{
- outb(0xaa, dev->path.u.pnp.port);
-}
-
-#if 0
-//----------------------------------------------------------------------------------
-// Function: dump_pnp_device
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Print the values of all of the LPC47N217's configuration registers.
-// NOTE: The LPC47N217 must be in configuration mode when this
-// function is called.
-//
-static void dump_pnp_device(device_t dev)
-{
- int register_index;
- print_debug("\r\n");
-
- for(register_index = 0; register_index <= LPC47N217_MAX_CONFIG_REGISTER; register_index++) {
- uint8_t register_value;
-
- if ((register_index & 0x0f) == 0) {
- print_debug_hex8(register_index);
- print_debug_char(':');
- }
-
- // Skip over 'register' that would cause exit from configuration mode
- if (register_index == 0xaa)
- register_value = 0xaa;
- else
- register_value = pnp_read_config(dev, register_index);
-
- print_debug_char(' ');
- print_debug_hex8(register_value);
- if ((register_index & 0x0f) == 0x0f) {
- print_debug("\r\n");
- }
- }
-
- print_debug("\r\n");
-}
-#endif
+/*
+ * superio.c: RAM-based driver for SMSC LPC47N217 Super I/O chip
+ *
+ * Based on LinuxBIOS code for SMSC 47B397:
+ * Copyright 2000 AG Electronics Ltd.
+ * Copyright 2003-2004 Linux Networx
+ * Copyright 2004 Tyan
+ *
+ * Copyright (C) 2005 Digital Design Corporation
+ *
+ * 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/io.h>
+#include <device/device.h>
+#include <device/pnp.h>
+#include <console/console.h>
+#include <device/smbus.h>
+#include <string.h>
+#include <bitops.h>
+#include <uart8250.h>
+#include <assert.h>
+#include "chip.h"
+#include "lpc47n217.h"
+
+// Forward declarations
+static void enable_dev(device_t dev);
+void lpc47n217_pnp_set_resources(device_t dev);
+void lpc47n217_pnp_enable_resources(device_t dev);
+void lpc47n217_pnp_enable(device_t dev);
+static void lpc47n217_init(device_t dev);
+
+static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource);
+void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase);
+void lpc47n217_pnp_set_drq(device_t dev, unsigned drq);
+void lpc47n217_pnp_set_irq(device_t dev, unsigned irq);
+void lpc47n217_pnp_set_enable(device_t dev, int enable);
+
+static void pnp_enter_conf_state(device_t dev);
+static void pnp_exit_conf_state(device_t dev);
+
+
+struct chip_operations superio_smsc_lpc47n217_ops = {
+ CHIP_NAME("smsc lpc47n217")
+ .enable_dev = enable_dev,
+};
+
+static struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = lpc47n217_pnp_set_resources,
+ .enable_resources = lpc47n217_pnp_enable_resources,
+ .enable = lpc47n217_pnp_enable,
+ .init = lpc47n217_init,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, LPC47N217_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+ { &ops, LPC47N217_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, LPC47N217_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }
+};
+
+/**********************************************************************************/
+/* PUBLIC INTERFACE */
+/**********************************************************************************/
+
+//----------------------------------------------------------------------------------
+// Function: enable_dev
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Create device structures and allocate resources to devices
+// specified in the pnp_dev_info array (above).
+//
+static void enable_dev(device_t dev)
+{
+ pnp_enable_devices(dev, &pnp_ops,
+ sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]),
+ pnp_dev_info);
+}
+
+//----------------------------------------------------------------------------------
+// Function: lpc47n217_pnp_set_resources
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Configure the specified Super I/O device with the resources
+// (I/O space, etc.) that have been allocate for it.
+//
+void lpc47n217_pnp_set_resources(device_t dev)
+{
+ int i;
+
+ pnp_enter_conf_state(dev);
+
+ // NOTE: Cannot use pnp_set_resources() here because it assumes chip
+ // support for logical devices, which the LPC47N217 doesn't have
+ for(i = 0; i < dev->resources; i++)
+ lpc47n217_pnp_set_resource(dev, &dev->resource[i]);
+
+// dump_pnp_device(dev);
+
+ pnp_exit_conf_state(dev);
+}
+
+void lpc47n217_pnp_enable_resources(device_t dev)
+{
+ pnp_enter_conf_state(dev);
+
+ // NOTE: Cannot use pnp_enable_resources() here because it assumes chip
+ // support for logical devices, which the LPC47N217 doesn't have
+ lpc47n217_pnp_set_enable(dev, 1);
+
+ pnp_exit_conf_state(dev);
+}
+
+void lpc47n217_pnp_enable(device_t dev)
+{
+ pnp_enter_conf_state(dev);
+
+ // NOTE: Cannot use pnp_set_enable() here because it assumes chip
+ // support for logical devices, which the LPC47N217 doesn't have
+
+ if(dev->enabled) {
+ lpc47n217_pnp_set_enable(dev, 1);
+ }
+ else {
+ lpc47n217_pnp_set_enable(dev, 0);
+ }
+
+ pnp_exit_conf_state(dev);
+}
+
+//----------------------------------------------------------------------------------
+// Function: lpc47n217_init
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Initialize the specified Super I/O device.
+// Devices other than COM ports are ignored.
+// For COM ports, we configure the baud rate.
+//
+static void lpc47n217_init(device_t dev)
+{
+ struct superio_smsc_lpc47n217_config* conf = dev->chip_info;
+ struct resource *res0;
+
+ if (!dev->enabled)
+ return;
+
+ switch(dev->path.u.pnp.device) {
+ case LPC47N217_SP1:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com1);
+ break;
+
+ case LPC47N217_SP2:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com2);
+ break;
+ }
+}
+
+
+/**********************************************************************************/
+/* PRIVATE FUNCTIONS */
+/**********************************************************************************/
+
+static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource)
+{
+ if (!(resource->flags & IORESOURCE_ASSIGNED)) {
+ printk_err("ERROR: %s %02x not allocated\n",
+ dev_path(dev), resource->index);
+ return;
+ }
+
+ /* Now store the resource */
+ // NOTE: Cannot use pnp_set_XXX() here because they assume chip
+ // support for logical devices, which the LPC47N217 doesn't have
+
+ if (resource->flags & IORESOURCE_IO) {
+ lpc47n217_pnp_set_iobase(dev, resource->base);
+ }
+ else if (resource->flags & IORESOURCE_DRQ) {
+ lpc47n217_pnp_set_drq(dev, resource->base);
+ }
+ else if (resource->flags & IORESOURCE_IRQ) {
+ lpc47n217_pnp_set_irq(dev, resource->base);
+ }
+ else {
+ printk_err("ERROR: %s %02x unknown resource type\n",
+ dev_path(dev), resource->index);
+ return;
+ }
+ resource->flags |= IORESOURCE_STORED;
+
+ report_resource_stored(dev, resource, "");
+}
+
+void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase)
+{
+ ASSERT(!(iobase & 0x3));
+
+ switch(dev->path.u.pnp.device) {
+ case LPC47N217_PP:
+ pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff);
+ break;
+
+ case LPC47N217_SP1:
+ pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff);
+ break;
+
+ case LPC47N217_SP2:
+ pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff);
+ break;
+
+ default:
+ BUG();
+ break;
+ }
+}
+
+void lpc47n217_pnp_set_drq(device_t dev, unsigned drq)
+{
+ if (dev->path.u.pnp.device == LPC47N217_PP) {
+ const uint8_t PP_DMA_MASK = 0x0F;
+ const uint8_t PP_DMA_SELECTION_REGISTER = 0x26;
+ uint8_t current_config = pnp_read_config(dev, PP_DMA_SELECTION_REGISTER);
+ uint8_t new_config;
+
+ ASSERT(!(drq & ~PP_DMA_MASK)); // DRQ out of range??
+ new_config = (current_config & ~PP_DMA_MASK) | drq;
+ pnp_write_config(dev, PP_DMA_SELECTION_REGISTER, new_config);
+ } else {
+ BUG();
+ }
+}
+
+void lpc47n217_pnp_set_irq(device_t dev, unsigned irq)
+{
+ uint8_t irq_config_register = 0;
+ uint8_t irq_config_mask = 0;
+ uint8_t current_config;
+ uint8_t new_config;
+
+ switch(dev->path.u.pnp.device) {
+ case LPC47N217_PP:
+ irq_config_register = 0x27;
+ irq_config_mask = 0x0F;
+ break;
+
+ case LPC47N217_SP1:
+ irq_config_register = 0x28;
+ irq_config_mask = 0xF0;
+ irq <<= 4;
+ break;
+
+ case LPC47N217_SP2:
+ irq_config_register = 0x28;
+ irq_config_mask = 0x0F;
+ break;
+
+ default:
+ BUG();
+ return;
+ }
+
+ ASSERT(!(irq & ~irq_config_mask)); // IRQ out of range??
+
+ current_config = pnp_read_config(dev, irq_config_register);
+ new_config = (current_config & ~irq_config_mask) | irq;
+ pnp_write_config(dev, irq_config_register, new_config);
+}
+
+void lpc47n217_pnp_set_enable(device_t dev, int enable)
+{
+ uint8_t power_register = 0;
+ uint8_t power_mask = 0;
+ uint8_t current_power;
+ uint8_t new_power;
+
+ switch(dev->path.u.pnp.device) {
+ case LPC47N217_PP:
+ power_register = 0x01;
+ power_mask = 0x04;
+ break;
+
+ case LPC47N217_SP1:
+ power_register = 0x02;
+ power_mask = 0x08;
+ break;
+
+ case LPC47N217_SP2:
+ power_register = 0x02;
+ power_mask = 0x80;
+ break;
+
+ default:
+ BUG();
+ return;
+ }
+
+ current_power = pnp_read_config(dev, power_register);
+ new_power = current_power & ~power_mask; // disable by default
+
+ if (enable) {
+ struct resource* ioport_resource = find_resource(dev, PNP_IDX_IO0);
+ lpc47n217_pnp_set_iobase(dev, ioport_resource->base);
+
+ new_power |= power_mask; // Enable
+
+ } else {
+ lpc47n217_pnp_set_iobase(dev, 0);
+ }
+ pnp_write_config(dev, power_register, new_power);
+}
+
+
+//----------------------------------------------------------------------------------
+// Function: pnp_enter_conf_state
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Enable access to the LPC47N217's configuration registers.
+//
+static void pnp_enter_conf_state(device_t dev)
+{
+ outb(0x55, dev->path.u.pnp.port);
+}
+
+//----------------------------------------------------------------------------------
+// Function: pnp_exit_conf_state
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Disable access to the LPC47N217's configuration registers.
+//
+static void pnp_exit_conf_state(device_t dev)
+{
+ outb(0xaa, dev->path.u.pnp.port);
+}
+
+#if 0
+//----------------------------------------------------------------------------------
+// Function: dump_pnp_device
+// Parameters: dev - pointer to structure describing a Super I/O device
+// Return Value: None
+// Description: Print the values of all of the LPC47N217's configuration registers.
+// NOTE: The LPC47N217 must be in configuration mode when this
+// function is called.
+//
+static void dump_pnp_device(device_t dev)
+{
+ int register_index;
+ print_debug("\r\n");
+
+ for(register_index = 0; register_index <= LPC47N217_MAX_CONFIG_REGISTER; register_index++) {
+ uint8_t register_value;
+
+ if ((register_index & 0x0f) == 0) {
+ print_debug_hex8(register_index);
+ print_debug_char(':');
+ }
+
+ // Skip over 'register' that would cause exit from configuration mode
+ if (register_index == 0xaa)
+ register_value = 0xaa;
+ else
+ register_value = pnp_read_config(dev, register_index);
+
+ print_debug_char(' ');
+ print_debug_hex8(register_value);
+ if ((register_index & 0x0f) == 0x0f) {
+ print_debug("\r\n");
+ }
+ }
+
+ print_debug("\r\n");
+}
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 12:06:23 +0000