From 510922ac61067a969dd5f53ce83b1de63e052002 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 22 Sep 2014 13:55:52 -0300
Subject: [PATCH] mx6qsabreauto: Add HDMI support

Let HDMI splash screen support work by default.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 board/freescale/mx6qsabreauto/mx6qsabreauto.c | 60 ++++++++++++++++++-
 include/configs/mx6qsabreauto.h               | 17 ++++++
 2 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
index 9ab502feff..0dc0160e19 100644
--- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -24,6 +24,9 @@
 #include <netdev.h>
 #include <asm/arch/sys_proto.h>
 #include <i2c.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/imx-common/video.h>
+#include <asm/arch/crm_regs.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -235,10 +238,65 @@ u32 get_board_rev(void)
 	return (get_cpu_rev() & ~(0xF << 8)) | rev;
 }
 
+#if defined(CONFIG_VIDEO_IPUV3)
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+	imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {{
+	.bus	= -1,
+	.addr	= 0,
+	.pixfmt	= IPU_PIX_FMT_RGB24,
+	.detect	= detect_hdmi,
+	.enable	= do_enable_hdmi,
+	.mode	= {
+		.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,
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+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_early_init_f(void)
 {
 	setup_iomux_uart();
-
+#ifdef CONFIG_VIDEO_IPUV3
+	setup_display();
+#endif
 	return 0;
 }
 
diff --git a/include/configs/mx6qsabreauto.h b/include/configs/mx6qsabreauto.h
index 0ab31279cc..48fec6f3a5 100644
--- a/include/configs/mx6qsabreauto.h
+++ b/include/configs/mx6qsabreauto.h
@@ -45,4 +45,21 @@
 #define CONFIG_SYS_I2C_MXC
 #define CONFIG_SYS_I2C_SPEED		100000
 
+/* 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
+#define CONFIG_IMX_VIDEO_SKIP
+
 #endif                         /* __MX6QSABREAUTO_CONFIG_H */
-- 
2.30.2