From eadfc135d3df76620cfef5e6928d64fb8874c665 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Fri, 10 May 2013 09:14:10 +0000
Subject: [PATCH] mx23evk: Add splash screen support

Enable display support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 board/freescale/mx23evk/mx23evk.c  |  6 ++++++
 board/freescale/mx23evk/spl_boot.c | 32 ++++++++++++++++++++++++++++++
 include/configs/mx23evk.h          | 17 ++++++++++++++++
 3 files changed, 55 insertions(+)

diff --git a/board/freescale/mx23evk/mx23evk.c b/board/freescale/mx23evk/mx23evk.c
index 41ba303ec4..d25e2b37ce 100644
--- a/board/freescale/mx23evk/mx23evk.c
+++ b/board/freescale/mx23evk/mx23evk.c
@@ -43,6 +43,12 @@ int board_early_init_f(void)
 	/* SSP0 clock at 96MHz */
 	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
 
+	/* Power on LCD */
+	gpio_direction_output(MX23_PAD_LCD_RESET__GPIO_1_18, 1);
+
+	/* Set contrast to maximum */
+	gpio_direction_output(MX23_PAD_PWM2__GPIO_1_28, 1);
+
 	return 0;
 }
 
diff --git a/board/freescale/mx23evk/spl_boot.c b/board/freescale/mx23evk/spl_boot.c
index 6be8c8d9d0..fd71f7dc1b 100644
--- a/board/freescale/mx23evk/spl_boot.c
+++ b/board/freescale/mx23evk/spl_boot.c
@@ -27,6 +27,7 @@
 
 #define	MUX_CONFIG_SSP1	(MXS_PAD_8MA | MXS_PAD_PULLUP)
 #define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
+#define	MUX_CONFIG_LCD	(MXS_PAD_4MA | MXS_PAD_NOPULL)
 
 const iomux_cfg_t iomux_setup[] = {
 	/* DUART */
@@ -96,6 +97,37 @@ const iomux_cfg_t iomux_setup[] = {
 	/* Slot Power Enable */
 	MX23_PAD_PWM3__GPIO_1_29 |
 		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+	/* LCD */
+	MX23_PAD_LCD_D00__LCD_D00 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D01__LCD_D01 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D02__LCD_D02 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D03__LCD_D03 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D04__LCD_D04 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D05__LCD_D05 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D06__LCD_D06 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D07__LCD_D07 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D08__LCD_D08 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D09__LCD_D09 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D08__LCD_D18 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D09__LCD_D19 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D10__LCD_D20 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D11__LCD_D21 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D12__LCD_D22 | MUX_CONFIG_LCD,
+	MX23_PAD_GPMI_D13__LCD_D23 | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_DOTCK__LCD_DOTCK | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_VSYNC__LCD_VSYNC | MUX_CONFIG_LCD,
+	MX23_PAD_LCD_RESET__GPIO_1_18 | MUX_CONFIG_LCD, /* LCD power */
+	MX23_PAD_PWM2__GPIO_1_28 | MUX_CONFIG_LCD, /* LCD contrast */
 };
 
 #define HW_DRAM_CTL14	(0x38 >> 2)
diff --git a/include/configs/mx23evk.h b/include/configs/mx23evk.h
index e5a15a451c..3a58afee9a 100644
--- a/include/configs/mx23evk.h
+++ b/include/configs/mx23evk.h
@@ -60,6 +60,7 @@
 #define CONFIG_CMD_MMC
 #define CONFIG_CMD_USB
 #define CONFIG_CMD_BOOTZ
+#define CONFIG_VIDEO
 
 /* Memory configurations */
 #define CONFIG_NR_DRAM_BANKS		1		/* 1 bank of DRAM */
@@ -133,6 +134,22 @@
 #define CONFIG_USB_STORAGE
 #endif
 
+/* Framebuffer support */
+#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_CMD_BMP
+#define CONFIG_BMP_16BPP
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE	(512 << 10)
+#endif
+
 /* Boot Linux */
 #define CONFIG_CMDLINE_TAG
 #define CONFIG_SETUP_MEMORY_TAGS