Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2013 Nico Huber <nico.h@gmx.de> |
| 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. |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include <arch/io.h> |
| 17 | #include <device/device.h> |
| 18 | #include <superio/conf_mode.h> |
| 19 | |
| 20 | /* Common enter/exit implementations */ |
| 21 | |
Edward O'Callaghan | 377fd75 | 2014-10-21 07:51:24 +1100 | [diff] [blame] | 22 | void pnp_enter_conf_mode_55(struct device *dev) |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 23 | { |
| 24 | outb(0x55, dev->path.pnp.port); |
| 25 | } |
| 26 | |
Edward O'Callaghan | b14bf88 | 2014-11-01 09:14:58 +1100 | [diff] [blame] | 27 | void pnp_enter_conf_mode_6767(struct device *dev) |
| 28 | { |
| 29 | outb(0x67, dev->path.pnp.port); |
| 30 | outb(0x67, dev->path.pnp.port); |
| 31 | } |
| 32 | |
| 33 | void pnp_enter_conf_mode_7777(struct device *dev) |
| 34 | { |
| 35 | outb(0x77, dev->path.pnp.port); |
| 36 | outb(0x77, dev->path.pnp.port); |
| 37 | } |
| 38 | |
Edward O'Callaghan | 377fd75 | 2014-10-21 07:51:24 +1100 | [diff] [blame] | 39 | void pnp_enter_conf_mode_8787(struct device *dev) |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 40 | { |
| 41 | outb(0x87, dev->path.pnp.port); |
| 42 | outb(0x87, dev->path.pnp.port); |
| 43 | } |
| 44 | |
Edward O'Callaghan | b14bf88 | 2014-11-01 09:14:58 +1100 | [diff] [blame] | 45 | void pnp_enter_conf_mode_a0a0(struct device *dev) |
| 46 | { |
| 47 | outb(0xa0, dev->path.pnp.port); |
| 48 | outb(0xa0, dev->path.pnp.port); |
| 49 | } |
| 50 | |
Edward O'Callaghan | 377fd75 | 2014-10-21 07:51:24 +1100 | [diff] [blame] | 51 | void pnp_exit_conf_mode_aa(struct device *dev) |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 52 | { |
| 53 | outb(0xaa, dev->path.pnp.port); |
| 54 | } |
| 55 | |
Edward O'Callaghan | 377fd75 | 2014-10-21 07:51:24 +1100 | [diff] [blame] | 56 | void pnp_enter_conf_mode_870155aa(struct device *dev) |
Edward O'Callaghan | bf9f243 | 2014-05-06 17:24:59 +1000 | [diff] [blame] | 57 | { |
| 58 | outb(0x87, dev->path.pnp.port); |
| 59 | outb(0x01, dev->path.pnp.port); |
| 60 | outb(0x55, dev->path.pnp.port); |
| 61 | |
| 62 | if (dev->path.pnp.port == 0x4e) |
| 63 | outb(0xaa, dev->path.pnp.port); |
| 64 | else |
| 65 | outb(0x55, dev->path.pnp.port); |
| 66 | } |
| 67 | |
Edward O'Callaghan | 377fd75 | 2014-10-21 07:51:24 +1100 | [diff] [blame] | 68 | void pnp_exit_conf_mode_0202(struct device *dev) |
Edward O'Callaghan | bf9f243 | 2014-05-06 17:24:59 +1000 | [diff] [blame] | 69 | { |
| 70 | outb(0x02, dev->path.pnp.port); |
| 71 | outb(0x02, dev->path.pnp.port + 1); |
| 72 | } |
| 73 | |
| 74 | |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 75 | const struct pnp_mode_ops pnp_conf_mode_55_aa = { |
| 76 | .enter_conf_mode = pnp_enter_conf_mode_55, |
| 77 | .exit_conf_mode = pnp_exit_conf_mode_aa, |
| 78 | }; |
| 79 | |
Edward O'Callaghan | b14bf88 | 2014-11-01 09:14:58 +1100 | [diff] [blame] | 80 | const struct pnp_mode_ops pnp_conf_mode_6767_aa = { |
| 81 | .enter_conf_mode = pnp_enter_conf_mode_6767, |
| 82 | .exit_conf_mode = pnp_exit_conf_mode_aa, |
| 83 | }; |
| 84 | |
| 85 | const struct pnp_mode_ops pnp_conf_mode_7777_aa = { |
| 86 | .enter_conf_mode = pnp_enter_conf_mode_7777, |
| 87 | .exit_conf_mode = pnp_exit_conf_mode_aa, |
| 88 | }; |
| 89 | |
Nico Huber | 1c81128 | 2013-06-15 20:33:44 +0200 | [diff] [blame] | 90 | const struct pnp_mode_ops pnp_conf_mode_8787_aa = { |
| 91 | .enter_conf_mode = pnp_enter_conf_mode_8787, |
| 92 | .exit_conf_mode = pnp_exit_conf_mode_aa, |
| 93 | }; |
Edward O'Callaghan | bf9f243 | 2014-05-06 17:24:59 +1000 | [diff] [blame] | 94 | |
Edward O'Callaghan | b14bf88 | 2014-11-01 09:14:58 +1100 | [diff] [blame] | 95 | const struct pnp_mode_ops pnp_conf_mode_a0a0_aa = { |
| 96 | .enter_conf_mode = pnp_enter_conf_mode_a0a0, |
| 97 | .exit_conf_mode = pnp_exit_conf_mode_aa, |
| 98 | }; |
| 99 | |
Edward O'Callaghan | bf9f243 | 2014-05-06 17:24:59 +1000 | [diff] [blame] | 100 | const struct pnp_mode_ops pnp_conf_mode_870155_aa = { |
| 101 | .enter_conf_mode = pnp_enter_conf_mode_870155aa, |
| 102 | .exit_conf_mode = pnp_exit_conf_mode_0202, |
| 103 | }; |