Felix Held | 3f3eca9 | 2020-01-23 17:12:32 +0100 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | /* This file is part of the coreboot project. */ |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 3 | |
| 4 | #include <device/device.h> |
| 5 | #include <device/pnp.h> |
| 6 | #include <pc80/keyboard.h> |
Kyösti Mälkki | cbf9571 | 2020-01-05 08:05:45 +0200 | [diff] [blame] | 7 | #include <option.h> |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 8 | #include <superio/ite/common/env_ctrl.h> |
| 9 | #include <superio/conf_mode.h> |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 10 | #include <types.h> |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 11 | |
| 12 | #include "chip.h" |
| 13 | #include "it8720f.h" |
| 14 | |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 15 | #define MAINBOARD_POWER_OFF 0 |
| 16 | #define MAINBOARD_POWER_ON 1 |
| 17 | #define MAINBOARD_POWER_KEEP 2 |
| 18 | |
| 19 | static void power_control_init(struct device *dev) |
| 20 | { |
| 21 | int power_on = MAINBOARD_POWER_OFF; |
Felix Held | e37d771 | 2018-07-26 20:02:38 +0200 | [diff] [blame] | 22 | u8 value; |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 23 | |
| 24 | get_option(&power_on, "power_on_after_fail"); |
Felix Held | e37d771 | 2018-07-26 20:02:38 +0200 | [diff] [blame] | 25 | |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 26 | pnp_enter_conf_mode(dev); |
| 27 | pnp_set_logical_device(dev); |
Felix Held | e37d771 | 2018-07-26 20:02:38 +0200 | [diff] [blame] | 28 | |
| 29 | value = pnp_read_config(dev, IT8720F_EC_PCR1); |
| 30 | if (power_on == MAINBOARD_POWER_KEEP) |
| 31 | value |= (1 << 5); |
| 32 | else |
| 33 | value &= ~(1 << 5); |
| 34 | pnp_write_config(dev, IT8720F_EC_PCR1, value); |
| 35 | |
| 36 | value = pnp_read_config(dev, IT8720F_EC_PCR2); |
| 37 | if (power_on == MAINBOARD_POWER_ON) |
| 38 | value |= (1 << 5); |
| 39 | else |
| 40 | value &= ~(1 << 5); |
| 41 | pnp_write_config(dev, IT8720F_EC_PCR2, value); |
| 42 | |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 43 | pnp_exit_conf_mode(dev); |
| 44 | } |
| 45 | |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 46 | static void it8720f_init(struct device *dev) |
| 47 | { |
| 48 | const struct superio_ite_it8720f_config *conf; |
| 49 | const struct resource *res; |
| 50 | |
| 51 | if (!dev->enabled) |
| 52 | return; |
| 53 | |
| 54 | switch (dev->path.pnp.device) { |
| 55 | case IT8720F_EC: |
| 56 | conf = dev->chip_info; |
| 57 | res = find_resource(dev, PNP_IDX_IO0); |
| 58 | if (!conf || !res) |
| 59 | break; |
| 60 | ite_ec_init(res->base, &conf->ec); |
Samuel Holland | c622dc5 | 2018-03-30 15:14:17 -0500 | [diff] [blame] | 61 | power_control_init(dev); |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 62 | break; |
| 63 | case IT8720F_KBCK: |
| 64 | pc_keyboard_init(NO_AUX_DEVICE); |
| 65 | break; |
| 66 | default: |
| 67 | break; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static struct device_operations ops = { |
| 72 | .read_resources = pnp_read_resources, |
| 73 | .set_resources = pnp_set_resources, |
| 74 | .enable_resources = pnp_enable_resources, |
| 75 | .enable = pnp_enable, |
| 76 | .init = it8720f_init, |
| 77 | .ops_pnp_mode = &pnp_conf_mode_870155_aa, |
| 78 | }; |
| 79 | |
| 80 | static struct pnp_info pnp_dev_info[] = { |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 81 | { NULL, IT8720F_FDC, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 82 | PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0 | PNP_MSC1, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 83 | 0x0ff8, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 84 | { NULL, IT8720F_SP1, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 85 | PNP_IO0 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 86 | 0x0ff8, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 87 | { NULL, IT8720F_SP2, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 88 | PNP_IO0 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 89 | 0x0ff8, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 90 | { NULL, IT8720F_PP, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 91 | PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_DRQ0 | PNP_MSC0, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 92 | 0x0ff8, 0x0ffc, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 93 | { NULL, IT8720F_EC, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 94 | PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_MSC0 | PNP_MSC1 | PNP_MSC2 | |
| 95 | PNP_MSC3 | PNP_MSC4 | PNP_MSC5 | PNP_MSC6, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 96 | 0x0ff8, 0x0ffc, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 97 | { NULL, IT8720F_KBCK, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 98 | PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_MSC0, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 99 | 0x0fff, 0x0fff, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 100 | { NULL, IT8720F_KBCM, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 101 | PNP_IRQ0 | PNP_MSC0, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 102 | { NULL, IT8720F_GPIO, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 103 | PNP_IO0 | PNP_IO1 | PNP_IO2 | PNP_MSC0 | PNP_MSC1 | PNP_MSC2 | |
| 104 | PNP_MSC3 | PNP_MSC4 | PNP_MSC5 | PNP_MSC6 | PNP_MSC7 | |
| 105 | PNP_MSC8 | PNP_MSC9 | PNP_MSCA | PNP_MSCB | PNP_MSCD | PNP_MSCE, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 106 | 0x0ff8, 0x0ff8, 0x0ff8, }, |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 107 | { NULL, IT8720F_CIR, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 108 | PNP_IO0 | PNP_IRQ0 | PNP_MSC0, |
Samuel Holland | 7daac91 | 2017-06-06 22:55:01 -0500 | [diff] [blame] | 109 | 0x0ff8, }, |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 110 | }; |
| 111 | |
| 112 | static void enable_dev(struct device *dev) |
| 113 | { |
Felix Held | c40275b | 2017-12-27 22:11:30 +0100 | [diff] [blame] | 114 | pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
Samuel Holland | 1318ea6 | 2017-06-03 03:52:57 -0500 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | struct chip_operations superio_ite_it8720f_ops = { |
| 118 | CHIP_NAME("ITE IT8720F Super I/O") |
| 119 | .enable_dev = enable_dev, |
| 120 | }; |