/*
- * superio.c: RAM driver for SMSC LPC47M10X2 Super I/O chip
+ * This file is part of the coreboot project.
*
- * Copyright 2000 AG Electronics Ltd.
- * Copyright 2003-2004 Linux Networx
- * Copyright 2004 Tyan
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan
* Copyright (C) 2005 Digital Design Corporation
- * Copyright (C) Ron Minnich, LANL
+ * Copyright (C) 2006 Ron Minnich, LANL
*
* 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
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);
+// static void dump_pnp_device(device_t dev);
struct chip_operations superio_smsc_lpc47m10x_ops = {
CHIP_NAME("SMSC LPC47M10x Super I/O")
};
static struct pnp_info pnp_dev_info[] = {
- { &ops, LPC47M10X2_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
- { &ops, LPC47M10X2_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
- { &ops, LPC47M10X2_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
- { &ops, LPC47M10X2_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
- { &ops, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
+ { &ops, LPC47M10X2_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+ { &ops, LPC47M10X2_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+ { &ops, LPC47M10X2_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, LPC47M10X2_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+ { &ops, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
+ { &ops, LPC47M10X2_PME, PNP_IO0, { 0x0f80, 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).
+/**
+ * Create device structures and allocate resources to devices specified in the
+ * pnp_dev_info array (above).
+ *
+ * @param dev Pointer to structure describing a Super I/O device.
*/
static void enable_dev(device_t dev)
{
- pnp_enable_devices(dev, &pnp_ops,
- ARRAY_SIZE(pnp_dev_info),
+ pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info),
pnp_dev_info);
}
-/*
- * Function: lpc47m10x_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.
+/**
+ * Configure the specified Super I/O device with the resources (I/O space,
+ * etc.) that have been allocated for it.
+ *
+ * @param dev Pointer to structure describing a Super I/O device.
*/
static void lpc47m10x_pnp_set_resources(device_t dev)
{
{
pnp_enter_conf_state(dev);
pnp_set_logical_device(dev);
-
- if(dev->enabled) {
- pnp_set_enable(dev, 1);
- }
- else {
- pnp_set_enable(dev, 0);
- }
+ pnp_set_enable(dev, !!dev->enabled);
pnp_exit_conf_state(dev);
}
-/*
- * Function: lpc47m10x_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.
+/**
+ * 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.
+ *
+ * @param dev Pointer to structure describing a Super I/O device.
*/
static void lpc47m10x_init(device_t dev)
{
struct superio_smsc_lpc47m10x_config *conf = dev->chip_info;
- struct resource *res0, *res1;
if (!dev->enabled)
return;
switch(dev->path.pnp.device) {
- case LPC47M10X2_SP1:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com1);
- break;
-
- case LPC47M10X2_SP2:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com2);
- break;
-
case LPC47M10X2_KBC:
- res0 = find_resource(dev, PNP_IDX_IO0);
- res1 = find_resource(dev, PNP_IDX_IO1);
pc_keyboard_init(&conf->keyboard);
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 LPC47M10X2's configuration registers.
- */
static void pnp_enter_conf_state(device_t dev)
{
outb(0x55, dev->path.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 LPC47M10X2's configuration registers.
- */
static void pnp_exit_conf_state(device_t dev)
{
outb(0xaa, dev->path.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 LPC47M10X2's configuration registers.
- * NOTE: The LPC47M10X2 must be in configuration mode when this
- * function is called.
+/**
+ * Print the values of all of the LPC47M10X2's configuration registers.
+ *
+ * NOTE: The LPC47M10X2 must be in config mode when this function is called.
+ *
+ * @param dev Pointer to structure describing a Super I/O device.
*/
static void dump_pnp_device(device_t dev)
{
- int register_index;
+ int i;
print_debug("\n");
- for(register_index = 0; register_index <= LPC47M10X2_MAX_CONFIG_REGISTER; register_index++) {
- uint8_t register_value;
+ for (i = 0; i <= LPC47M10X2_MAX_CONFIG_REGISTER; i++) {
+ u8 register_value;
- if ((register_index & 0x0f) == 0) {
- print_debug_hex8(register_index);
+ if ((i & 0x0f) == 0) {
+ print_debug_hex8(i);
print_debug_char(':');
}
- /* Skip over 'register' that would cause exit from configuration mode */
- if (register_index == 0xaa)
+ /*
+ * Skip over 'register' that would cause exit from
+ * configuration mode.
+ */
+ if (i == 0xaa)
register_value = 0xaa;
else
- register_value = pnp_read_config(dev, register_index);
+ register_value = pnp_read_config(dev, i);
print_debug_char(' ');
print_debug_hex8(register_value);
- if ((register_index & 0x0f) == 0x0f) {
+ if ((i & 0x0f) == 0x0f)
print_debug("\n");
- }
}
- print_debug("\n");
+ print_debug("\n");
}
#endif
projects / coreboot.git / blobdiff