| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <device/device.h> |
| #include <console/console.h> |
| #include <drivers/intel/gma/int15.h> |
| #include <ec/acpi/ec.h> |
| #include <southbridge/intel/common/gpio.h> |
| #include <string.h> |
| #include <smbios.h> |
| #include "ec.h" |
| |
| #include <acpi/acpi.h> |
| |
| static u8 mainboard_fill_ec_version(char *buf, u8 buf_len) |
| { |
| u8 i, c; |
| char str[16 + 1]; /* 16 ASCII chars + \0 */ |
| |
| /* Build ID */ |
| for (i = 0; i < 8; i++) { |
| c = ec_mm_read(0xf0 + i); |
| if (c < 0x20 || c > 0x7f) { |
| i = snprintf(str, sizeof(str), "*INVALID"); |
| break; |
| } |
| str[i] = c; |
| } |
| |
| i = MIN(buf_len, i); |
| memcpy(buf, str, i); |
| |
| return i; |
| } |
| |
| static void mainboard_smbios_strings( |
| struct device *dev, struct smbios_type11 *t) |
| { |
| char tpec[] = "IBM ThinkPad Embedded Controller -[ ]-"; |
| u16 fwvh, fwvl; |
| |
| mainboard_fill_ec_version(tpec + 35, 17); |
| t->count = smbios_add_string(t->eos, tpec); |
| |
| /* Apparently byteswapped compared to H8 */ |
| fwvh = ec_mm_read(0xe8); |
| fwvl = ec_mm_read(0xe9); |
| |
| printk(BIOS_INFO, "EC Firmware ID %.54s, Version %d.%d%d%c\n", tpec, |
| fwvh >> 4, fwvh & 0x0f, fwvl >> 4, 0x41 + (fwvl & 0xf)); |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| dev->ops->get_smbios_strings = mainboard_smbios_strings; |
| |
| install_intel_vga_int15_handler( |
| GMA_INT15_ACTIVE_LFP_INT_LVDS, |
| GMA_INT15_PANEL_FIT_DEFAULT, |
| GMA_INT15_BOOT_DISPLAY_DEFAULT, |
| 0); |
| |
| if (!acpi_is_wakeup_s3()) |
| lenovo_s230u_ec_init(); |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .enable_dev = mainboard_enable, |
| }; |