diff options
Diffstat (limited to 'src/superio/smsc/lpc47b272')
-rw-r--r-- | src/superio/smsc/lpc47b272/lpc47b272_early_serial.c | 87 | ||||
-rw-r--r-- | src/superio/smsc/lpc47b272/superio.c | 189 |
2 files changed, 133 insertions, 143 deletions
diff --git a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c index 49ec2c47f8..39444c0d02 100644 --- a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c +++ b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c @@ -1,62 +1,57 @@ -/*
- * $Header$
- *
- * lpc47b272_early_serial.c: Pre-RAM driver for SMSC LPC47B272 Super I/O chip
- *
- * 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
- *
- * $Log$
- *
- */
+/* + * lpc47b272_early_serial.c: Pre-RAM driver for SMSC LPC47B272 Super I/O chip + * + * 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/romcc_io.h> #include "lpc47b272.h" -//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Enable access to the LPC47B272's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Enable access to the LPC47B272's configuration registers. +// static inline void pnp_enter_conf_state(device_t dev) { unsigned port = dev>>8; outb(0x55, port); -}
+} -//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Disable access to the LPC47B272's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Disable access to the LPC47B272's configuration registers. +// static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -//----------------------------------------------------------------------------------
-// Function: lpc47b272_enable_serial
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47b272.h)
-// iobase - processor I/O port address to assign to this serial device
-// Return Value: bool
-// Description: Configure the base I/O port of the specified serial device
-// and enable the serial device.
-//
+//---------------------------------------------------------------------------------- +// Function: lpc47b272_enable_serial +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47b272.h) +// iobase - processor I/O port address to assign to this serial device +// Return Value: bool +// Description: Configure the base I/O port of the specified serial device +// and enable the serial device. +// static void lpc47b272_enable_serial(device_t dev, unsigned iobase) { pnp_enter_conf_state(dev); diff --git a/src/superio/smsc/lpc47b272/superio.c b/src/superio/smsc/lpc47b272/superio.c index 674fbdcfe4..c3d4f9a929 100644 --- a/src/superio/smsc/lpc47b272/superio.c +++ b/src/superio/smsc/lpc47b272/superio.c @@ -1,30 +1,25 @@ -/*
- * $Header$
- *
- * superio.c: RAM driver for SMSC LPC47B272 Super I/O chip
- *
+/* + * superio.c: RAM driver for SMSC LPC47B272 Super I/O chip + * * 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
- *
- * $Log$
- *
- */
+ * 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> @@ -38,16 +33,16 @@ #include "chip.h" #include "lpc47b272.h" -// Forward declarations
-static void enable_dev(device_t dev);
+// Forward declarations +static void enable_dev(device_t dev); void lpc47b272_pnp_set_resources(device_t dev); void lpc47b272_pnp_set_resources(device_t dev); void lpc47b272_pnp_enable_resources(device_t dev); void lpc47b272_pnp_enable(device_t dev); static void lpc47b272_init(device_t dev); -static void pnp_enter_conf_state(device_t dev);
-static void pnp_exit_conf_state(device_t dev);
+static void pnp_enter_conf_state(device_t dev); +static void pnp_exit_conf_state(device_t dev); static void dump_pnp_device(device_t dev); @@ -73,30 +68,30 @@ static struct pnp_info pnp_dev_info[] = { { &ops, LPC47B272_RT, PNP_IO0, { 0x780, 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: lpc47b272_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 allocated for it.
+/**********************************************************************************/ +/* 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: lpc47b272_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 allocated for it. // void lpc47b272_pnp_set_resources(device_t dev) { @@ -126,14 +121,14 @@ void lpc47b272_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -//----------------------------------------------------------------------------------
-// Function: lpc47b272_init
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Initialize the specified Super I/O device.
+//---------------------------------------------------------------------------------- +// Function: lpc47b272_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 and the keyboard controller are -// ignored. For COM ports, we configure the baud rate.
-//
+// ignored. For COM ports, we configure the baud rate. +// static void lpc47b272_init(device_t dev) { struct superio_smsc_lpc47b272_config *conf = dev->chip_info; @@ -160,68 +155,68 @@ static void lpc47b272_init(device_t dev) break; } } -
-/**********************************************************************************/
-/* PRIVATE FUNCTIONS */
-/**********************************************************************************/
- -//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Enable access to the LPC47B272's configuration registers.
-//
-static void pnp_enter_conf_state(device_t dev)
+ +/**********************************************************************************/ +/* PRIVATE FUNCTIONS */ +/**********************************************************************************/ + +//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Enable access to the LPC47B272'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 LPC47B272's configuration registers.
-//
-static void pnp_exit_conf_state(device_t dev)
+} + +//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Disable access to the LPC47B272'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 LPC47B272's configuration registers.
-// NOTE: The LPC47B272 must be in configuration mode when this
-// function is called.
-//
+//---------------------------------------------------------------------------------- +// 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 LPC47B272's configuration registers. +// NOTE: The LPC47B272 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 <= LPC47B272_MAX_CONFIG_REGISTER; register_index++) { - uint8_t register_value;
+ 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;
+ register_value = 0xaa; else - register_value = pnp_read_config(dev, register_index);
-
+ 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");
+ } + + print_debug("\r\n"); } #endif |