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authorPardeep Kumar Singla <b45784@freescale.com>2013-07-25 12:12:14 -0500
committerStefano Babic <sbabic@denx.de>2013-07-27 10:49:45 +0200
commit58cc97877713f46d2e7dfd515844c29c70c56d82 (patch)
tree965f3c80e56a9f45d4d149f4f522ec8ee31a8548 /board
parent5ea7f0e328c19542ce96d8242125b51b3dbca86b (diff)
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mx6qsabresd: Add splash screen support via HDMI
Signed-off-by: Pardeep Kumar Singla <b45784@freescale.com>
Diffstat (limited to 'board')
-rw-r--r--board/freescale/mx6sabresd/mx6sabresd.c64
1 files changed, 63 insertions, 1 deletions
diff --git a/board/freescale/mx6sabresd/mx6sabresd.c b/board/freescale/mx6sabresd/mx6sabresd.c
index 222ee98..4694b5c 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;
}