Angel Pons | feedf23 | 2020-04-05 13:22:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 2 | |
| 3 | #include <types.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 4 | #include <device/device.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 5 | #include <device/pci_ops.h> |
| 6 | #include <console/console.h> |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 7 | #if CONFIG(VGA_ROM_RUN) |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 8 | #include <x86emu/x86emu.h> |
| 9 | #endif |
Furquan Shaikh | 76cedd2 | 2020-05-02 10:24:23 -0700 | [diff] [blame] | 10 | #include <acpi/acpi.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 11 | #include <arch/io.h> |
| 12 | #include <arch/interrupt.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 13 | #include "onboard.h" |
| 14 | #include "ec.h" |
| 15 | #include <southbridge/intel/bd82x6x/pch.h> |
Patrick Rudolph | e8e66f4 | 2016-02-06 17:42:42 +0100 | [diff] [blame] | 16 | #include <southbridge/intel/common/gpio.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 17 | #include <smbios.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 18 | #include <ec/google/chromeec/ec.h> |
Aaron Durbin | b0f8151 | 2016-07-25 21:31:41 -0500 | [diff] [blame] | 19 | #include <vendorcode/google/chromeos/chromeos.h> |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 20 | |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 21 | #if CONFIG(VGA_ROM_RUN) |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 22 | static int int15_handler(void) |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 23 | { |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 24 | int res = 0; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 25 | |
| 26 | printk(BIOS_DEBUG, "%s: INT15 function %04x!\n", |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 27 | __func__, X86_AX); |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 28 | |
Elyes HAOUAS | 0ce41f1 | 2018-11-13 10:03:31 +0100 | [diff] [blame] | 29 | switch (X86_AX) { |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 30 | case 0x5f34: |
| 31 | /* |
| 32 | * Set Panel Fitting Hook: |
| 33 | * bit 2 = Graphics Stretching |
| 34 | * bit 1 = Text Stretching |
| 35 | * bit 0 = Centering (do not set with bit1 or bit2) |
Elyes HAOUAS | 6dc9d03 | 2020-02-16 16:22:52 +0100 | [diff] [blame] | 36 | * 0 = video BIOS default |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 37 | */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 38 | X86_AX = 0x005f; |
Elyes HAOUAS | 6dc9d03 | 2020-02-16 16:22:52 +0100 | [diff] [blame] | 39 | X86_CL = 0x00; /* Use video BIOS default */ |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 40 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 41 | break; |
| 42 | case 0x5f35: |
| 43 | /* |
| 44 | * Boot Display Device Hook: |
| 45 | * bit 0 = CRT |
| 46 | * bit 1 = TV (eDP) |
| 47 | * bit 2 = EFP |
| 48 | * bit 3 = LFP |
| 49 | * bit 4 = CRT2 |
| 50 | * bit 5 = TV2 (eDP) |
| 51 | * bit 6 = EFP2 |
| 52 | * bit 7 = LFP2 |
| 53 | */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 54 | X86_AX = 0x005f; |
Elyes HAOUAS | 6dc9d03 | 2020-02-16 16:22:52 +0100 | [diff] [blame] | 55 | X86_CX = 0x0000; /* Use video BIOS default */ |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 56 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 57 | break; |
| 58 | case 0x5f51: |
| 59 | /* |
| 60 | * Hook to select active LFP configuration: |
| 61 | * 00h = No LVDS, VBIOS does not enable LVDS |
| 62 | * 01h = Int-LVDS, LFP driven by integrated LVDS decoder |
| 63 | * 02h = SVDO-LVDS, LFP driven by SVDO decoder |
| 64 | * 03h = eDP, LFP Driven by Int-DisplayPort encoder |
| 65 | */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 66 | X86_AX = 0x005f; |
| 67 | X86_CX = 0x0003; /* eDP */ |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 68 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 69 | break; |
| 70 | case 0x5f70: |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 71 | switch (X86_CH) { |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 72 | case 0: |
| 73 | /* Get Mux */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 74 | X86_AX = 0x005f; |
| 75 | X86_CX = 0x0000; |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 76 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 77 | break; |
| 78 | case 1: |
| 79 | /* Set Mux */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 80 | X86_AX = 0x005f; |
| 81 | X86_CX = 0x0000; |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 82 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 83 | break; |
| 84 | case 2: |
| 85 | /* Get SG/Non-SG mode */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 86 | X86_AX = 0x005f; |
| 87 | X86_CX = 0x0000; |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 88 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 89 | break; |
| 90 | default: |
| 91 | /* Interrupt was not handled */ |
| 92 | printk(BIOS_DEBUG, "Unknown INT15 5f70 function: 0x%02x\n", |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 93 | X86_CH); |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 94 | break; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 95 | } |
| 96 | break; |
| 97 | case 0x5fac: |
Duncan Laurie | 1c05400 | 2013-05-10 13:50:09 -0700 | [diff] [blame] | 98 | res = 1; |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 99 | break; |
| 100 | default: |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 101 | printk(BIOS_DEBUG, "Unknown INT15 function %04x!\n", X86_AX); |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 102 | break; |
| 103 | } |
| 104 | return res; |
| 105 | } |
| 106 | #endif |
| 107 | |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 108 | static void mainboard_init(struct device *dev) |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 109 | { |
Karthikeyan Ramasubramanian | c80ff84 | 2018-09-17 16:19:34 -0600 | [diff] [blame] | 110 | uint32_t board_version = 0; |
| 111 | |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 112 | /* Initialize the Embedded Controller */ |
| 113 | link_ec_init(); |
| 114 | |
Karthikeyan Ramasubramanian | c80ff84 | 2018-09-17 16:19:34 -0600 | [diff] [blame] | 115 | google_chromeec_get_board_version(&board_version); |
| 116 | if (board_version == 0) { |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 117 | /* If running on proto1 - enable reversion of gpio11. */ |
| 118 | u32 gpio_inv; |
| 119 | u16 gpio_base = pci_read_config16 |
Kyösti Mälkki | c70eed1 | 2018-05-22 02:18:00 +0300 | [diff] [blame] | 120 | (pcidev_on_root(0x1f, 0), GPIO_BASE) & |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 121 | 0xfffc; |
| 122 | u16 gpio_inv_addr = gpio_base + GPI_INV; |
| 123 | gpio_inv = inl(gpio_inv_addr); |
| 124 | outl(gpio_inv | (1 << 11), gpio_inv_addr); |
| 125 | } |
| 126 | } |
| 127 | |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 128 | static int link_onboard_smbios_data(struct device *dev, int *handle, |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 129 | unsigned long *current) |
| 130 | { |
| 131 | int len = 0; |
| 132 | |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 133 | len += smbios_write_type41( |
| 134 | current, handle, |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 135 | BOARD_LIGHTSENSOR_NAME, /* name */ |
| 136 | BOARD_LIGHTSENSOR_IRQ, /* instance */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 137 | 0, /* segment */ |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 138 | BOARD_LIGHTSENSOR_I2C_ADDR, /* bus */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 139 | 0, /* device */ |
Christian Walter | e6afab1 | 2019-05-21 17:22:49 +0200 | [diff] [blame] | 140 | 0, /* function */ |
| 141 | SMBIOS_DEVICE_TYPE_OTHER); /* device type */ |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 142 | |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 143 | len += smbios_write_type41( |
| 144 | current, handle, |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 145 | BOARD_TRACKPAD_NAME, /* name */ |
| 146 | BOARD_TRACKPAD_IRQ, /* instance */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 147 | 0, /* segment */ |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 148 | BOARD_TRACKPAD_I2C_ADDR, /* bus */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 149 | 0, /* device */ |
Christian Walter | e6afab1 | 2019-05-21 17:22:49 +0200 | [diff] [blame] | 150 | 0, /* function */ |
| 151 | SMBIOS_DEVICE_TYPE_OTHER); /* device type */ |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 152 | |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 153 | len += smbios_write_type41( |
| 154 | current, handle, |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 155 | BOARD_TOUCHSCREEN_NAME, /* name */ |
| 156 | BOARD_TOUCHSCREEN_IRQ, /* instance */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 157 | 0, /* segment */ |
Kyösti Mälkki | b9cd5ec | 2015-04-24 16:05:58 +0300 | [diff] [blame] | 158 | BOARD_TOUCHSCREEN_I2C_ADDR, /* bus */ |
Duncan Laurie | 21a7870 | 2013-05-23 14:17:05 -0700 | [diff] [blame] | 159 | 0, /* device */ |
Christian Walter | e6afab1 | 2019-05-21 17:22:49 +0200 | [diff] [blame] | 160 | 0, /* function */ |
| 161 | SMBIOS_DEVICE_TYPE_OTHER); /* device type */ |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 162 | |
| 163 | return len; |
| 164 | } |
| 165 | |
| 166 | // mainboard_enable is executed as first thing after |
| 167 | // enumerate_buses(). |
| 168 | |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 169 | static void mainboard_enable(struct device *dev) |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 170 | { |
| 171 | dev->ops->init = mainboard_init; |
| 172 | dev->ops->get_smbios_data = link_onboard_smbios_data; |
Nico Huber | 68680dd | 2020-03-31 17:34:52 +0200 | [diff] [blame] | 173 | dev->ops->acpi_inject_dsdt = chromeos_dsdt_generator; |
Julius Werner | cd49cce | 2019-03-05 16:53:33 -0800 | [diff] [blame] | 174 | #if CONFIG(VGA_ROM_RUN) |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 175 | /* Install custom int15 handler for VGA OPROM */ |
Stefan Reinauer | fe8290d | 2013-04-23 15:00:02 -0700 | [diff] [blame] | 176 | mainboard_interrupt_handlers(0x15, &int15_handler); |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 177 | #endif |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | struct chip_operations mainboard_ops = { |
Stefan Reinauer | 49428d8 | 2013-02-21 15:48:37 -0800 | [diff] [blame] | 181 | .enable_dev = mainboard_enable, |
| 182 | }; |