Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | /* RAM driver for the SMSC KBC1100 Super I/O chip */ |
| 17 | |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 18 | #include <device/device.h> |
| 19 | #include <device/pnp.h> |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 20 | #include <superio/conf_mode.h> |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 21 | #include <pc80/keyboard.h> |
| 22 | #include <stdlib.h> |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 23 | #include "kbc1100.h" |
| 24 | |
| 25 | /* Forward declarations */ |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 26 | static void enable_dev(struct device *dev); |
| 27 | static void kbc1100_init(struct device *dev); |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 28 | |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 29 | struct chip_operations superio_smsc_kbc1100_ops = { |
Arthur Heymans | 12d0103 | 2017-08-01 21:51:10 +0200 | [diff] [blame] | 30 | CHIP_NAME("SMSC KBC1100 Super I/O") |
| 31 | .enable_dev = enable_dev |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 32 | }; |
| 33 | |
| 34 | static struct device_operations ops = { |
Arthur Heymans | 12d0103 | 2017-08-01 21:51:10 +0200 | [diff] [blame] | 35 | .read_resources = pnp_read_resources, |
| 36 | .set_resources = pnp_set_resources, |
| 37 | .enable_resources = pnp_enable_resources, |
| 38 | .enable = pnp_alt_enable, |
| 39 | .init = kbc1100_init, |
| 40 | .ops_pnp_mode = &pnp_conf_mode_55_aa, |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 41 | }; |
| 42 | |
| 43 | static struct pnp_info pnp_dev_info[] = { |
Felix Held | b0d868e | 2018-07-06 23:39:00 +0200 | [diff] [blame] | 44 | { NULL, KBC1100_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, |
| 45 | 0x7ff, 0x7ff, }, |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 46 | }; |
| 47 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 48 | static void enable_dev(struct device *dev) |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 49 | { |
Felix Held | b0d868e | 2018-07-06 23:39:00 +0200 | [diff] [blame] | 50 | pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 51 | } |
| 52 | |
Edward O'Callaghan | f21bdc3 | 2014-10-21 07:43:41 +1100 | [diff] [blame] | 53 | static void kbc1100_init(struct device *dev) |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 54 | { |
Arthur Heymans | 12d0103 | 2017-08-01 21:51:10 +0200 | [diff] [blame] | 55 | struct resource *res0, *res1; |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 56 | |
Arthur Heymans | 12d0103 | 2017-08-01 21:51:10 +0200 | [diff] [blame] | 57 | if (!dev->enabled) |
| 58 | return; |
Stefan Reinauer | 5ff7c13 | 2011-10-31 12:56:45 -0700 | [diff] [blame] | 59 | |
Arthur Heymans | 12d0103 | 2017-08-01 21:51:10 +0200 | [diff] [blame] | 60 | switch (dev->path.pnp.device) { |
| 61 | case KBC1100_KBC: |
| 62 | res0 = find_resource(dev, PNP_IDX_IO0); |
| 63 | res1 = find_resource(dev, PNP_IDX_IO1); |
| 64 | pc_keyboard_init(NO_AUX_DEVICE); |
| 65 | break; |
| 66 | } |
Frank Vibrans | 7b904d8 | 2011-02-14 19:00:13 +0000 | [diff] [blame] | 67 | } |