| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <string.h> |
| #include <types.h> |
| #include <device/device.h> |
| #include <console/console.h> |
| #include <drivers/intel/gma/int15.h> |
| #include <option.h> |
| #include <superio/hwm5_conf.h> |
| #include <superio/nuvoton/common/hwm.h> |
| |
| /* Hardware Monitor */ |
| |
| static u16 hwm_base = 0xa00; |
| |
| #define FAN_CRUISE_CONTROL_DISABLED 0 |
| #define FAN_CRUISE_CONTROL_SPEED 1 |
| #define FAN_CRUISE_CONTROL_THERMAL 2 |
| #define FAN_SPEED_5625 0 |
| |
| struct fan_speed { |
| u8 fan_in; |
| u16 fan_speed; |
| }; |
| |
| /* FANIN Target Speed Register */ |
| /* FANIN = 337500 / RPM */ |
| struct fan_speed fan_speeds[] = { |
| { 0x3c, 5625 }, { 0x41, 5192 }, { 0x47, 4753 }, { 0x4e, 4326 }, |
| { 0x56, 3924 }, { 0x5f, 3552 }, { 0x69, 3214 }, { 0x74, 2909 }, |
| { 0x80, 2636 }, { 0x8d, 2393 }, { 0x9b, 2177 }, { 0xaa, 1985 }, |
| { 0xba, 1814 }, { 0xcb, 1662 }, { 0xdd, 1527 }, { 0xf0, 1406 } |
| }; |
| |
| struct temperature { |
| u8 deg_celsius; |
| u8 deg_fahrenheit; |
| }; |
| |
| struct temperature temperatures[] = { |
| { 30, 86 }, { 33, 91 }, { 36, 96 }, { 39, 102 }, |
| { 42, 107 }, { 45, 113 }, { 48, 118 }, { 51, 123 }, |
| { 54, 129 }, { 57, 134 }, { 60, 140 }, { 63, 145 }, |
| { 66, 150 }, { 69, 156 }, { 72, 161 }, { 75, 167 } |
| }; |
| |
| static void hwm_setup(void) |
| { |
| unsigned int cpufan_control = 0, sysfan_control = 0; |
| unsigned int cpufan_speed = 0, sysfan_speed = 0; |
| unsigned int cpufan_temperature = 0, sysfan_temperature = 0; |
| |
| cpufan_control = get_uint_option("cpufan_cruise_control", FAN_CRUISE_CONTROL_DISABLED); |
| cpufan_speed = get_uint_option("cpufan_speed", FAN_SPEED_5625); |
| |
| sysfan_control = get_uint_option("sysfan_cruise_control", FAN_CRUISE_CONTROL_DISABLED); |
| sysfan_speed = get_uint_option("sysfan_speed", FAN_SPEED_5625); |
| |
| nuvoton_hwm_select_bank(hwm_base, 0); |
| pnp_write_hwm5_index(hwm_base, 0x59, 0x20); /* Diode Selection */ |
| pnp_write_hwm5_index(hwm_base, 0x5d, 0x0f); /* All Sensors Diode, not Thermistor */ |
| |
| nuvoton_hwm_select_bank(hwm_base, 4); |
| pnp_write_hwm5_index(hwm_base, 0x54, 0xf1); /* SYSTIN temperature offset */ |
| pnp_write_hwm5_index(hwm_base, 0x55, 0x19); /* CPUTIN temperature offset */ |
| pnp_write_hwm5_index(hwm_base, 0x56, 0xfc); /* AUXTIN temperature offset */ |
| |
| nuvoton_hwm_select_bank(hwm_base, 0x80); /* Default */ |
| |
| u8 fan_config = 0; |
| /* 00 FANOUT is Manual Mode */ |
| /* 01 FANOUT is Thermal Cruise Mode */ |
| /* 10 FANOUT is Fan Speed Cruise Mode */ |
| switch (cpufan_control) { |
| case FAN_CRUISE_CONTROL_SPEED: fan_config |= (2 << 4); break; |
| case FAN_CRUISE_CONTROL_THERMAL: fan_config |= (1 << 4); break; |
| } |
| switch (sysfan_control) { |
| case FAN_CRUISE_CONTROL_SPEED: fan_config |= (2 << 2); break; |
| case FAN_CRUISE_CONTROL_THERMAL: fan_config |= (1 << 2); break; |
| } |
| /* This register must be written first */ |
| pnp_write_hwm5_index(hwm_base, 0x04, fan_config); |
| |
| switch (cpufan_control) { |
| case FAN_CRUISE_CONTROL_SPEED: /* CPUFANIN target speed */ |
| printk(BIOS_DEBUG, "Fan Cruise Control setting CPU fan to %d RPM\n", |
| fan_speeds[cpufan_speed].fan_speed); |
| pnp_write_hwm5_index(hwm_base, 0x06, fan_speeds[cpufan_speed].fan_in); |
| break; |
| case FAN_CRUISE_CONTROL_THERMAL: /* CPUFANIN target temperature */ |
| printk(BIOS_DEBUG, "Fan Cruise Control setting CPU fan to activation at %d deg C/%d deg F\n", |
| temperatures[cpufan_temperature].deg_celsius, |
| temperatures[cpufan_temperature].deg_fahrenheit); |
| pnp_write_hwm5_index(hwm_base, 0x06, |
| temperatures[cpufan_temperature].deg_celsius); |
| break; |
| } |
| |
| switch (sysfan_control) { |
| case FAN_CRUISE_CONTROL_SPEED: /* SYSFANIN target speed */ |
| printk(BIOS_DEBUG, "Fan Cruise Control setting system fan to %d RPM\n", |
| fan_speeds[sysfan_speed].fan_speed); |
| pnp_write_hwm5_index(hwm_base, 0x05, fan_speeds[sysfan_speed].fan_in); |
| break; |
| case FAN_CRUISE_CONTROL_THERMAL: /* SYSFANIN target temperature */ |
| printk(BIOS_DEBUG, "Fan Cruise Control setting system fan to activation at %d deg C/%d deg F\n", |
| temperatures[sysfan_temperature].deg_celsius, |
| temperatures[sysfan_temperature].deg_fahrenheit); |
| pnp_write_hwm5_index(hwm_base, 0x05, |
| temperatures[sysfan_temperature].deg_celsius); |
| break; |
| } |
| |
| pnp_write_hwm5_index(hwm_base, 0x0e, 0x02); /* Fan Output Step Down Time */ |
| pnp_write_hwm5_index(hwm_base, 0x0f, 0x02); /* Fan Output Step Up Time */ |
| |
| pnp_write_hwm5_index(hwm_base, 0x47, 0xaf); /* FAN divisor register */ |
| pnp_write_hwm5_index(hwm_base, 0x4b, 0x84); /* AUXFANIN speed divisor */ |
| |
| pnp_write_hwm5_index(hwm_base, 0x40, 0x01); /* Init, but no SMI# */ |
| } |
| |
| static void mainboard_enable(struct device *dev) |
| { |
| install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS, GMA_INT15_PANEL_FIT_DEFAULT, GMA_INT15_BOOT_DISPLAY_DEFAULT, 3); |
| hwm_setup(); |
| } |
| |
| static void mainboard_init(void *chip_info) |
| { |
| int i; |
| struct device *dev; |
| |
| for (i = 1; i <= 3; i++) { |
| char cmos_option_name[] = "ethernetx"; |
| snprintf(cmos_option_name, sizeof(cmos_option_name), |
| "ethernet%01d", i); |
| unsigned int ethernet_disable = get_uint_option(cmos_option_name, 0); |
| if (!ethernet_disable) |
| continue; |
| printk(BIOS_DEBUG, "Disabling Ethernet NIC #%d\n", i); |
| dev = pcidev_on_root(28, i - 1); |
| if (dev == NULL) { |
| printk(BIOS_ERR, |
| "Disabling Ethernet NIC: Cannot find 00:1c.%d!\n", |
| i - 1); |
| continue; |
| } |
| dev->enabled = 0; |
| } |
| } |
| |
| struct chip_operations mainboard_ops = { |
| .init = mainboard_init, |
| .enable_dev = mainboard_enable, |
| }; |