From 58cc97877713f46d2e7dfd515844c29c70c56d82 Mon Sep 17 00:00:00 2001
From: Pardeep Kumar Singla <b45784@freescale.com>
Date: Thu, 25 Jul 2013 12:12:14 -0500
Subject: [PATCH] mx6qsabresd: Add splash screen support via HDMI

Signed-off-by: Pardeep Kumar Singla <b45784@freescale.com>
---
 board/freescale/mx6sabresd/mx6sabresd.c | 64 ++++++++++++++++++++++++-
 include/configs/mx6sabre_common.h       |  3 +-
 include/configs/mx6sabresd.h            | 19 ++++++++
 3 files changed, 84 insertions(+), 2 deletions(-)

diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 222ee98c0d..4694b5cba5 100644
--- a/board/freescale/mx6sabresd/mx6sabresd.c
+++ b/board/freescale/mx6sabresd/mx6sabresd.c
@@ -29,7 +29,12 @@
 #include <fsl_esdhc.h>
 #include <miiphy.h>
 #include <netdev.h>
-
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
 DECLARE_GLOBAL_DATA_PTR;
 
 #define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
@@ -239,6 +244,60 @@ int board_phy_config(struct phy_device *phydev)
 	return 0;
 }
 
+#if defined(CONFIG_VIDEO_IPUV3)
+static struct fb_videomode const hdmi = {
+	.name           = "HDMI",
+	.refresh        = 60,
+	.xres           = 1024,
+	.yres           = 768,
+	.pixclock       = 15385,
+	.left_margin    = 220,
+	.right_margin   = 40,
+	.upper_margin   = 21,
+	.lower_margin   = 7,
+	.hsync_len      = 60,
+	.vsync_len      = 10,
+	.sync           = FB_SYNC_EXT,
+	.vmode          = FB_VMODE_NONINTERLACED
+};
+
+int board_video_skip(void)
+{
+	int ret;
+
+	ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24);
+
+	if (ret)
+		printf("HDMI cannot be configured: %d\n", ret);
+
+	imx_enable_hdmi_phy();
+	return ret;
+}
+
+static void setup_display(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+	int reg;
+
+	enable_ipu_clock();
+	imx_setup_hdmi();
+
+	reg = readl(&mxc_ccm->chsccdr);
+	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+		<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+	writel(reg, &mxc_ccm->chsccdr);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+	return 1;
+}
+
 int board_eth_init(bd_t *bis)
 {
 	int ret;
@@ -255,6 +314,9 @@ int board_eth_init(bd_t *bis)
 int board_early_init_f(void)
 {
 	setup_iomux_uart();
+#if defined(CONFIG_VIDEO_IPUV3)
+	setup_display();
+#endif
 
 	return 0;
 }
diff --git a/include/configs/mx6sabre_common.h b/include/configs/mx6sabre_common.h
index 53cc559295..dd93fffab0 100644
--- a/include/configs/mx6sabre_common.h
+++ b/include/configs/mx6sabre_common.h
@@ -20,6 +20,7 @@
 #define CONFIG_MX6
 
 #include "mx6_common.h"
+#include <asm/sizes.h>
 
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
@@ -32,7 +33,7 @@
 #define CONFIG_REVISION_TAG
 
 /* Size of malloc() pool */
-#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 2 * 1024 * 1024)
+#define CONFIG_SYS_MALLOC_LEN		(10 * SZ_1M)
 
 #define CONFIG_BOARD_EARLY_INIT_F
 #define CONFIG_BOARD_LATE_INIT
diff --git a/include/configs/mx6sabresd.h b/include/configs/mx6sabresd.h
index 76675f4136..5637c19025 100644
--- a/include/configs/mx6sabresd.h
+++ b/include/configs/mx6sabresd.h
@@ -17,6 +17,9 @@
 #ifndef __MX6QSABRESD_CONFIG_H
 #define __MX6QSABRESD_CONFIG_H
 
+#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/gpio.h>
+
 #define CONFIG_MACH_TYPE	3980
 #define CONFIG_MXC_UART_BASE	UART1_BASE
 #define CONFIG_CONSOLE_DEV		"ttymxc0"
@@ -31,4 +34,20 @@
 #define CONFIG_SYS_MMC_ENV_DEV		1	/* SDHC3 */
 #endif
 
+/* Framebuffer */
+#define CONFIG_VIDEO
+#define CONFIG_VIDEO_IPUV3
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_BMP_16BPP
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_BMP_LOGO
+#define CONFIG_IPUV3_CLK 260000000
+#define CONFIG_IMX_HDMI
+
 #endif                         /* __MX6QSABRESD_CONFIG_H */
-- 
2.39.2