[coreboot-gerrit] [S] Change in coreboot[main]: mb/google/rauru: Enable firmware display

[Jarried Lin (Code Review)]

Attention is currently required from: Hung-Te Lin, Yidi Lin, Yu-Ping Wu.

Jarried Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/85952?usp=email )

Change subject: mb/google/rauru: Enable firmware display
......................................................................

mb/google/rauru: Enable firmware display

Enable mt8196 firmware display support.

TEST=Build pass, the firmware screen displays correctly.
BUG=b:343351631

Signed-off-by: Nancy Lin 
Change-Id: Ic928b2478c41ccd03223fd2b73d9e81d303a2036
---
M src/mainboard/google/rauru/Kconfig
M src/mainboard/google/rauru/mainboard.c
2 files changed, 13 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/85952/1

diff --git a/src/mainboard/google/rauru/Kconfig b/src/mainboard/google/rauru/Kconfig
index a686838..ae3ffb3 100644
--- a/src/mainboard/google/rauru/Kconfig
+++ b/src/mainboard/google/rauru/Kconfig
@@ -23,6 +23,8 @@
    select COMMON_CBFS_SPI_WRAPPER
    select SPI_FLASH
    select SPI_FLASH_INCLUDE_ALL_DRIVERS
+	select MAINBOARD_HAS_NATIVE_VGA_INIT
+	select HAVE_LINEAR_FRAMEBUFFER
    select CHROMEOS_USE_EC_WATCHDOG_FLAG if CHROMEOS
    select EC_GOOGLE_CHROMEEC
    select EC_GOOGLE_CHROMEEC_BOARDID
diff --git a/src/mainboard/google/rauru/mainboard.c b/src/mainboard/google/rauru/mainboard.c
index 817bcf2..ec07dfc 100644
--- a/src/mainboard/google/rauru/mainboard.c
+++ b/src/mainboard/google/rauru/mainboard.c
@@ -1,14 +1,17 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

+#include <bootmode.h>
 #include <console/console.h>
 #include <device/device.h>
 #include <fw_config.h>
 #include <gpio.h>
 #include <soc/addressmap.h>
 #include <soc/bl31.h>
+#include <soc/display.h>
 #include <soc/dpm_v2.h>
 #include <soc/gpio_common.h>
 #include <soc/i2c.h>
+#include <soc/mt6373.h>
 #include <soc/msdc.h>
 #include <soc/pcie.h>
 #include <soc/spm_common.h>
@@ -96,6 +99,14 @@

static void mainboard_init(struct device *dev)
 {
+	if (display_init_required()) {
+		mt6373_init_pmif_arb();
+		mt6373_enable_vcn33_3(true);
+		mt6373_set_vcn33_3_voltage(3300000);
+		mtk_display_init();
+	} else
+		printk(BIOS_INFO, "%s: Skipped display initialization\n", __func__);
+
    setup_usb_host();
    power_on_fpmcu();
    configure_audio();