[coreboot-gerrit] Change in ...coreboot[master]: google/kukui: Add panel config data for display

[jitao shi (Code Review)]

jitao shi has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/31590

Change subject: google/kukui: Add panel config data for display
......................................................................

google/kukui: Add panel config data for display

BUG=b:80501386,b:117254947
BRANCH=none
TEST=Boots correctly on Kukui

Change-Id: Ife4a724ff1ddc36b29f37690a22c1b344e0629f7
Signed-off-by: Jitao Shi 
---
M src/mainboard/google/kukui/mainboard.c
1 file changed, 58 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/90/31590/1

diff --git a/src/mainboard/google/kukui/mainboard.c b/src/mainboard/google/kukui/mainboard.c
index 950dca4..bf9bd02 100644
--- a/src/mainboard/google/kukui/mainboard.c
+++ b/src/mainboard/google/kukui/mainboard.c
@@ -15,9 +15,12 @@

#include <bootmode.h>
 #include <console/console.h>
+#include <delay.h>
 #include <device/device.h>
 #include <edid.h>
+#include <gpio.h>
 #include <soc/ddp.h>
+#include <soc/dsi.h>
 #include <soc/gpio.h>
 #include <soc/mmu_operations.h>
 #include <soc/mtcmos.h>
@@ -42,13 +45,66 @@
    setup_usb_host();
 }

+/* Setup backlight control pins as output pin and power-off by default */
+static void configure_backlight(void)
+{
+	/* Configure PANEL_LCD_POWER_EN */
+	gpio_output(GPIO(PERIPHERAL_EN13), 1);
+	gpio_output(GPIO(DISP_PWM), 1);	/* DISP_PWM0 */
+}
+
+static void configure_display(void)
+{
+	/* board from p0 */
+	gpio_output(GPIO(LCM_RST), 0);
+	udelay(100);
+	gpio_output(GPIO(LCM_RST), 1);
+	mdelay(20);
+}
+
+static const struct edid kukui_innolux_edid = {
+	.panel_bits_per_color = 8,
+	.panel_bits_per_pixel = 24,
+	.mode = {
+		.name = "768x1024@60Hz",
+		.pixel_clock = 56900,
+		.lvds_dual_channel = 0,
+		.refresh = 60,
+		.ha = 768, .hbl = 120, .hso = 40, .hspw = 40, .hborder = 0,
+		.va = 1024, .vbl = 44, .vso = 20, .vspw = 4, .vborder = 0,
+		.phsync = '-', .pvsync = '-',
+		.x_mm = 120, .y_mm = 160,
+	},
+};
+
+struct lcm_init_table lcm_init_cmd[] = {
+	{INIT_CMD, 1, {MIPI_DCS_EXIT_SLEEP_MODE}},
+	{DELAY_CMD, 120, {}},
+	{INIT_CMD, 1, {MIPI_DCS_SET_DISPLAY_ON}},
+	{DELAY_CMD, 120, {}},
+};
+
+
 static void display_startup(void)
 {
+	int ret = 0;
+	u32 mipi_dsi_flags;
    struct edid edid;

+	edid = kukui_innolux_edid;
+	mipi_dsi_flags = MIPI_DSI_MODE_VIDEO |
+			 MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+			 MIPI_DSI_MODE_LPM;
+
    edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);

mtk_ddp_init();
+	ret = mtk_dsi_init(mipi_dsi_flags, MIPI_DSI_FMT_RGB888, 4,
+			   false, &edid, lcm_init_cmd, sizeof(lcm_init_cmd) / sizeof(struct lcm_init_table));
+	if (ret < 0) {
+		printk(BIOS_ERR, "dsi init fail\n");
+		return;
+	}

mtk_ddp_mode_set(&edid);

@@ -62,6 +118,8 @@
    	mtcmos_display_power_on();
    	mtcmos_protect_display_bus();

+		configure_backlight();
+		configure_display();
    	display_startup();
    } else {
    	printk(BIOS_INFO, "Skipping display init.\n");