| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2000 AG Electronics Ltd. |
| * Copyright (C) 2003-2004 Linux Networx |
| * Copyright (C) 2004 Tyan |
| * Copyright (C) 2005 Digital Design Corporation |
| * 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 |
| * 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 <uart8250.h> |
| #include <pc80/keyboard.h> |
| #include <stdlib.h> |
| #include "chip.h" |
| #include "lpc47m10x.h" |
| |
| /* Forward declarations */ |
| static void enable_dev(device_t dev); |
| static void lpc47m10x_pnp_set_resources(device_t dev); |
| static void lpc47m10x_pnp_enable_resources(device_t dev); |
| static void lpc47m10x_pnp_enable(device_t dev); |
| static void lpc47m10x_init(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); |
| |
| struct chip_operations superio_smsc_lpc47m10x_ops = { |
| CHIP_NAME("SMSC LPC47M10x Super I/O") |
| .enable_dev = enable_dev |
| }; |
| |
| static struct device_operations ops = { |
| .read_resources = pnp_read_resources, |
| .set_resources = lpc47m10x_pnp_set_resources, |
| .enable_resources = lpc47m10x_pnp_enable_resources, |
| .enable = lpc47m10x_pnp_enable, |
| .init = lpc47m10x_init, |
| }; |
| |
| 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, {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 }, }, |
| }; |
| |
| /** |
| * 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_dev_info); |
| } |
| |
| /** |
| * 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_resources(dev); |
| pnp_exit_conf_state(dev); |
| } |
| |
| static void lpc47m10x_pnp_enable_resources(device_t dev) |
| { |
| pnp_enter_conf_state(dev); |
| pnp_enable_resources(dev); |
| pnp_exit_conf_state(dev); |
| } |
| |
| static void lpc47m10x_pnp_enable(device_t dev) |
| { |
| pnp_enter_conf_state(dev); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, !!dev->enabled); |
| pnp_exit_conf_state(dev); |
| } |
| |
| /** |
| * 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; |
| |
| if (!dev->enabled) |
| return; |
| |
| switch(dev->path.pnp.device) { |
| case LPC47M10X2_KBC: |
| pc_keyboard_init(&conf->keyboard); |
| break; |
| } |
| } |
| |
| static void pnp_enter_conf_state(device_t dev) |
| { |
| outb(0x55, dev->path.pnp.port); |
| } |
| |
| static void pnp_exit_conf_state(device_t dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |
| #if 0 |
| /** |
| * 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 i; |
| print_debug("\n"); |
| |
| for (i = 0; i <= LPC47M10X2_MAX_CONFIG_REGISTER; i++) { |
| u8 register_value; |
| |
| if ((i & 0x0f) == 0) { |
| print_debug_hex8(i); |
| print_debug_char(':'); |
| } |
| |
| /* |
| * Skip over 'register' that would cause exit from |
| * configuration mode. |
| */ |
| if (i == 0xaa) |
| register_value = 0xaa; |
| else |
| register_value = pnp_read_config(dev, i); |
| |
| print_debug_char(' '); |
| print_debug_hex8(register_value); |
| if ((i & 0x0f) == 0x0f) |
| print_debug("\n"); |
| } |
| |
| print_debug("\n"); |
| } |
| #endif |