soc/intel/common/block: Add common chip config block
Adding common chip config structure which will be used to return data to
common code. When common code requires soc data, code used to fetch
entire soc config structure. With this change, common code will only get
the data/structure which is required by common code and not entire
config.
For now, adding i2c, gspi and lockdown configuration which will be used
by common code.
BUG=none
BRANCH=b:78109109
TEST=compile code for APL/SKL/CNL. Boot using SKL/APL/CNL and check
values are returned properly using common structure.
Change-Id: I7f1671e064782397d3ace066a08bf1333192b21a
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-on: https://review.coreboot.org/26189
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Hannah Williams <hannah.williams@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 8ea5c2d..6fe949f 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -170,71 +170,85 @@
register "usb3_ports[2]" = "USB3_PORT_DEFAULT(OC_SKIP)" # Type-A Port
register "usb3_ports[3]" = "USB3_PORT_EMPTY" # Empty
- # Touchscreen
- register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3"
- register "i2c[0]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
+ # Intel Common SoC Config
+ #+-------------------+---------------------------+
+ #| Field | Value |
+ #+-------------------+---------------------------+
+ #| chipset_lockdown | CHIPSET_LOCKDOWN_COREBOOT |
+ #| I2C0 | Touchscreen |
+ #| I2C1 | H1 |
+ #| I2C2 | Camera |
+ #| I2C3 | Pen |
+ #| I2C4 | Camera |
+ #| I2C5 | Audio |
+ #+-------------------+---------------------------+
+ register "common_soc_config" = "{
+ .chipset_lockdown = CHIPSET_LOCKDOWN_COREBOOT,
+ .i2c[0] = {
.speed = I2C_SPEED_FAST,
- .scl_lcnt = 185,
- .scl_hcnt = 90,
- .sda_hold = 36,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 185,
+ .scl_hcnt = 90,
+ .sda_hold = 36,
+ },
+ },
+ .i2c[1] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 190,
+ .scl_hcnt = 100,
+ .sda_hold = 36,
+ },
+ .early_init = 1,
+ },
+ .i2c[2] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 190,
+ .scl_hcnt = 97,
+ .sda_hold = 36,
+ },
+ },
+ .i2c[4] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 190,
+ .scl_hcnt = 97,
+ .sda_hold = 36,
+ },
+ },
+ .i2c[5] = {
+ .speed = I2C_SPEED_FAST,
+ .speed_config[0] = {
+ .speed = I2C_SPEED_FAST,
+ .scl_lcnt = 190,
+ .scl_hcnt = 98,
+ .sda_hold = 36,
+ },
},
}"
+ # Touchscreen
+ register "i2c_voltage[0]" = "I2C_VOLTAGE_3V3"
+
# H1
register "i2c_voltage[1]" = "I2C_VOLTAGE_3V3"
- register "i2c[1]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 190,
- .scl_hcnt = 100,
- .sda_hold = 36,
- },
- .early_init = 1,
- }"
-
# Camera
register "i2c_voltage[2]" = "I2C_VOLTAGE_1V8"
- register "i2c[2]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 190,
- .scl_hcnt = 97,
- .sda_hold = 36,
- },
- }"
# Pen
register "i2c_voltage[3]" = "I2C_VOLTAGE_1V8"
# Camera
register "i2c_voltage[4]" = "I2C_VOLTAGE_1V8"
- register "i2c[4]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 190,
- .scl_hcnt = 97,
- .sda_hold = 36,
- },
- }"
# Audio
register "i2c_voltage[5]" = "I2C_VOLTAGE_1V8"
- register "i2c[5]" = "{
- .speed = I2C_SPEED_FAST,
- .speed_config[0] = {
- .speed = I2C_SPEED_FAST,
- .scl_lcnt = 190,
- .scl_hcnt = 98,
- .sda_hold = 36,
- },
- }"
-
# Must leave UART0 enabled or SD/eMMC will not work as PCI
register "SerialIoDevMode" = "{
@@ -260,9 +274,6 @@
# Use default SD card detect GPIO configuration
register "sdcard_cd_gpio_default" = "GPP_E15"
- # Lock Down
- register "chipset_lockdown" = "CHIPSET_LOCKDOWN_COREBOOT"
-
# PCH Trip Temperature in degree C
register "pch_trip_temp" = "75"