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Diffstat (limited to 'src/mainboard/google/eve/devicetree.cb')
-rw-r--r--src/mainboard/google/eve/devicetree.cb75
1 files changed, 43 insertions, 32 deletions
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index fa12d8b06d..a812c0814f 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -169,46 +169,60 @@ chip soc/intel/skylake
register "usb3_ports[2]" = "USB3_PORT_EMPTY" # Empty
register "usb3_ports[3]" = "USB3_PORT_EMPTY" # Empty
+ # Intel Common SoC Config
+ #+-------------------+---------------------------+
+ #| Field | Value |
+ #+-------------------+---------------------------+
+ #| chipset_lockdown | CHIPSET_LOCKDOWN_COREBOOT |
+ #| I2C0 | Touchscreen |
+ #| I2C1 | Early TPM access |
+ #| I2C2 | Touchpad |
+ #| I2C4 | Audio |
+ #+-------------------+---------------------------+
+ register "common_soc_config" = "{
+ .chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+ .i2c[0] = {
+ .speed = I2C_SPEED_FAST_PLUS,
+ .rise_time_ns = 98,
+ .fall_time_ns = 38,
+ },
+ .i2c[1] = {
+ .early_init = 1,
+ .speed = I2C_SPEED_FAST,
+ .rise_time_ns = 112,
+ .fall_time_ns = 34,
+ },
+ .i2c[2] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 186,
+ .scl_hcnt = 93,
+ .sda_hold = 36,
+ }
+ },
+ .i2c[4] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 176,
+ .scl_hcnt = 95,
+ .sda_hold = 36,
+ }
+ },
+ }"
+
# Touchscreen
register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3"
- register "i2c[0]" = "{
- .speed = I2C_SPEED_FAST_PLUS,
- .rise_time_ns = 98,
- .fall_time_ns = 38,
- }"
# Enable I2C1 bus early for TPM access
register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3"
- register "i2c[1]" = "{
- .early_init = 1,
- .speed = I2C_SPEED_FAST,
- .rise_time_ns = 112,
- .fall_time_ns = 34,
- }"
# Touchpad
register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8"
- register "i2c[2]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 186,
- .scl_hcnt = 93,
- .sda_hold = 36,
- }
- }"
# Audio
register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"
- register "i2c[4]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 176,
- .scl_hcnt = 95,
- .sda_hold = 36,
- }
- }"
# Must leave UART0 enabled or SD/eMMC will not work as PCI
register "SerialIoDevMode" = "{
@@ -230,9 +244,6 @@ chip soc/intel/skylake
register "tdp_pl2_override" = "15"
register "tcc_offset" = "10"
- # Lock Down
- register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
-
device cpu_cluster 0 on
device lapic 0 on end
end