diff options
| author | Aamir Bohra <aamir.bohra@intel.com> | 2020-02-26 20:22:14 +0530 |
|---|---|---|
| committer | Subrata Banik <subrata.banik@intel.com> | 2020-02-27 17:10:24 +0000 |
| commit | 6f1bebe9842ae61db7c15af1bbc59a9be367877d (patch) | |
| tree | e086286059d0d53908f52aa2193ade9863bb49cd /src | |
| parent | b7fb24677c4adff1d7648de260c3ee9e7f5b45ee (diff) | |
| download | coreboot-6f1bebe9842ae61db7c15af1bbc59a9be367877d.tar.xz | |
mb/google/dedede: Enable display support
1. Enable Internal Gfx device.
2. Configure DDI0 for EDP.
3. Configure HPD and DDC suppport for DDI1/DDI2.
4. Configure HPD GPIOs.
TEST=Verify display on EDP panel in OS
Change-Id: Ia53428af549ba01ab539f9474a6e5e79b72dff5c
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39132
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/dedede/variants/baseboard/devicetree.cb | 13 | ||||
| -rw-r--r-- | src/mainboard/google/dedede/variants/baseboard/gpio.c | 4 |
2 files changed, 16 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb index 37bb8f23c2..2529e53feb 100644 --- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb @@ -73,6 +73,17 @@ chip soc/intel/tigerlake # Enable EMMC HS400 mode register "ScsEmmcHs400Enabled" = "1" + # Display related UPDs + # Select eDP for port A + register "DdiPortAConfig" = "1" + + # Enable HPD for DDI ports B/C + register "DdiPortBHpd" = "1" + register "DdiPortCHpd" = "1" + # Enable DDC for DDI ports B/C + register "DdiPortBDdc" = "1" + register "DdiPortCDdc" = "1" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value | @@ -111,7 +122,7 @@ chip soc/intel/tigerlake device domain 0 on device pci 00.0 on end # Host Bridge - device pci 02.0 off end # Integrated Graphics Device + device pci 02.0 on end # Integrated Graphics Device device pci 04.0 off end # SA Thermal device device pci 05.0 off end # IPU device pci 09.0 off end # Intel Trace Hub diff --git a/src/mainboard/google/dedede/variants/baseboard/gpio.c b/src/mainboard/google/dedede/variants/baseboard/gpio.c index fa975e796b..b8ceae2f8c 100644 --- a/src/mainboard/google/dedede/variants/baseboard/gpio.c +++ b/src/mainboard/google/dedede/variants/baseboard/gpio.c @@ -27,6 +27,8 @@ static const struct pad_config gpio_table[] = { PAD_NC(GPP_A13, NONE), /* A14 : USB_OC3_N */ PAD_NC(GPP_A14, NONE), + /* A16 : EC_AP_USB_C0_HPD */ + PAD_CFG_NF(GPP_A16, NONE, DEEP, NF1), /* A18 : USB_OC0_N */ PAD_NC(GPP_A18, NONE), @@ -40,6 +42,8 @@ static const struct pad_config gpio_table[] = { PAD_CFG_NF(GPP_B17, NONE, DEEP, NF1), /* B18 : H1_SLAVE_SPI_MOSI_R */ PAD_CFG_NF(GPP_B18, NONE, DEEP, NF1), + /* B23 : EC_AP_USB_C1_HDMI_HPD */ + PAD_CFG_NF(GPP_B23, NONE, DEEP, NF1), /* C16 : AP_I2C_TRACKPAD_SDA_3V3 */ PAD_CFG_NF(GPP_C16, NONE, DEEP, NF1), |