From 49cb68f5c17e42f9290336e1252ace6ac7d0b5ce Mon Sep 17 00:00:00 2001
From: Ye Li <ye.li@nxp.com>
Date: Wed, 15 Feb 2017 17:45:17 +0800
Subject: MLK-13929-6 mx7ulp_evk: Enable the MIPI DSI splashscreen

Enable and setup board level codes for MIPI DSI splashscreen on EVK board.
User needs set env variable"panel=HX8363_WVGA" for displaying.

Signed-off-by: Ye Li <ye.li@nxp.com>
---
 arch/arm/imx-common/Makefile            |  3 +-
 board/freescale/mx7ulp_evk/mx7ulp_evk.c | 71 ++++++++++++++++++++++++++++++++-
 include/configs/mx7ulp_evk.h            | 21 ++++++++++
 3 files changed, 93 insertions(+), 2 deletions(-)

diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index d9d73a3..9fbf7d3 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -17,7 +17,7 @@ endif
 ifeq ($(SOC),$(filter $(SOC),mx5))
 obj-y  += timer.o
 endif
-ifeq ($(SOC),$(filter $(SOC),mx7 mx6 mxs))
+ifeq ($(SOC),$(filter $(SOC),mx7 mx6 mxs mx7ulp))
 obj-y	+= misc.o
 obj-$(CONFIG_SPL_BUILD)	+= spl.o
 endif
@@ -37,6 +37,7 @@ obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o
 endif
 ifeq ($(SOC),$(filter $(SOC),mx7ulp))
 obj-y 	+= cache.o
+obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
 obj-$(CONFIG_SECURE_BOOT)    += hab.o
 endif
 ifeq ($(SOC),$(filter $(SOC),vf610))
diff --git a/board/freescale/mx7ulp_evk/mx7ulp_evk.c b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
index 76d2ca2..41f6cd6 100644
--- a/board/freescale/mx7ulp_evk/mx7ulp_evk.c
+++ b/board/freescale/mx7ulp_evk/mx7ulp_evk.c
@@ -14,6 +14,7 @@
 #include <fsl_esdhc.h>
 #include <mmc.h>
 #include <usb.h>
+#include <asm/imx-common/video.h>
 
 #ifdef CONFIG_FSL_FASTBOOT
 #include <fastboot.h>
@@ -40,6 +41,8 @@ DECLARE_GLOBAL_DATA_PTR;
 #define QSPI_PAD_CTRL0	(PAD_CTL_PUS_UP | PAD_CTL_DSE \
 	| PAD_CTL_OBE_ENABLE)
 
+#define MIPI_GPIO_PAD_CTRL	(PAD_CTL_OBE_ENABLE)
+
 int dram_init(void)
 {
 	gd->ram_size = PHYS_SDRAM_SIZE;
@@ -175,6 +178,73 @@ int board_qspi_init(void)
 }
 #endif
 
+#ifdef CONFIG_VIDEO_MXS
+
+#define MIPI_RESET_GPIO	IMX_GPIO_NR(3, 19)
+#define LED_PWM_EN_GPIO	IMX_GPIO_NR(6, 2)
+
+static iomux_cfg_t const mipi_reset_pad[] = {
+	MX7ULP_PAD_PTC19__PTC19 | MUX_PAD_CTRL(MIPI_GPIO_PAD_CTRL),
+};
+
+static iomux_cfg_t const led_pwm_en_pad[] = {
+	MX7ULP_PAD_PTF2__PTF2 | MUX_PAD_CTRL(MIPI_GPIO_PAD_CTRL),
+};
+
+int board_mipi_panel_reset(void)
+{
+	gpio_direction_output(MIPI_RESET_GPIO, 0);
+	udelay(1000);
+	gpio_direction_output(MIPI_RESET_GPIO, 1);
+	return 0;
+}
+
+int board_mipi_panel_shutdown(void)
+{
+	gpio_direction_output(MIPI_RESET_GPIO, 0);
+	gpio_direction_output(LED_PWM_EN_GPIO, 0);
+	return 0;
+}
+
+void setup_mipi_reset(void)
+{
+	mx7ulp_iomux_setup_multiple_pads(mipi_reset_pad, ARRAY_SIZE(mipi_reset_pad));
+	gpio_request(MIPI_RESET_GPIO, "mipi_panel_reset");
+}
+
+void do_enable_mipi_dsi(struct display_info_t const *dev)
+{
+	setup_mipi_reset();
+
+	/* Enable backlight */
+	mx7ulp_iomux_setup_multiple_pads(led_pwm_en_pad, ARRAY_SIZE(mipi_reset_pad));
+	gpio_request(LED_PWM_EN_GPIO, "led_pwm_en");
+	gpio_direction_output(LED_PWM_EN_GPIO, 1);
+}
+
+struct display_info_t const displays[] = {{
+	.bus = LCDIF_RBASE,
+	.addr = 0,
+	.pixfmt = 24,
+	.detect = NULL,
+	.enable	= do_enable_mipi_dsi,
+	.mode	= {
+		.name			= "HX8363_WVGA",
+		.xres           = 480,
+		.yres           = 854,
+		.pixclock       = 41042,
+		.left_margin    = 40,
+		.right_margin   = 60,
+		.upper_margin   = 3,
+		.lower_margin   = 3,
+		.hsync_len      = 8,
+		.vsync_len      = 4,
+		.sync           = 0,
+		.vmode          = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+#endif
+
 int board_init(void)
 {
 	/* address of boot parameters */
@@ -273,7 +343,6 @@ int board_mmc_get_env_dev(int devno)
 }
 #endif
 
-
 int board_late_init(void)
 {
 #ifdef CONFIG_ENV_IS_IN_MMC
diff --git a/include/configs/mx7ulp_evk.h b/include/configs/mx7ulp_evk.h
index e58afdc..1d1570e 100644
--- a/include/configs/mx7ulp_evk.h
+++ b/include/configs/mx7ulp_evk.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
  *
  * Configuration settings for the Freescale i.MX7ULP EVK board.
  *
@@ -292,6 +293,26 @@
 #define CONFIG_QSPI_MEMMAP_BASE	QSPI0_AMBA_BASE
 #endif
 
+#define CONFIG_VIDEO
+#ifdef CONFIG_VIDEO
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VIDEO_MXS
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_SW_CURSOR
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_CMD_BMP
+#define CONFIG_BMP_16BPP
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_VIDEO_BMP_LOGO
+#define CONFIG_IMX_VIDEO_SKIP
+
+#define CONFIG_MXC_MIPI_DSI_NORTHWEST
+#define CONFIG_HX8363
+#endif
+
 #define CONFIG_OF_SYSTEM_SETUP
 #if defined(CONFIG_ANDROID_SUPPORT)
 #include "mx7ulp_evk_android.h"
-- 
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